CN103510520A - Sectionalized construction method of deep and large foundation pit - Google Patents
Sectionalized construction method of deep and large foundation pit Download PDFInfo
- Publication number
- CN103510520A CN103510520A CN201310466994.1A CN201310466994A CN103510520A CN 103510520 A CN103510520 A CN 103510520A CN 201310466994 A CN201310466994 A CN 201310466994A CN 103510520 A CN103510520 A CN 103510520A
- Authority
- CN
- China
- Prior art keywords
- foundation ditch
- foundation pit
- foundation
- subregion
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 79
- 238000009412 basement excavation Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 101150054854 POU1F1 gene Proteins 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 1
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention provides a sectionalized construction method of a deep and large foundation pit, and relates to the technical field of engineering construction of deep and large foundation pits. According to an existing construction method of the deep and large foundation pit, due to the negative factors that the excavation area of the foundation pit is overlarge, and the flat shape is irregular, or a lot of important buildings exist in the influence range of excavation of the foundation pit, the problems that influence of construction of the deep and large foundation pit on the surroundings is excessively high, and the construction period is long are caused. The sectionalized construction method of the deep and large foundation pit comprises the steps of (1) selecting the sectionalized construction method according to the engineering geological conditions of a construction field of the deep and large foundation pit, the nature of the foundation pit and the surroundings of the foundation pit; (2) dividing the deep and large foundation pit into a first foundation pit body, a second foundation pit body and a third foundation pit body, wherein the first foundation pit body, the second foundation pit body and the third foundation pit body are arranged in sequence, and the first foundation pit body and the third foundation pit body are arranged on the two sides of the deep and large foundation pit, and are not adjacent to each other.
Description
Technical field
The present invention relates to deep big foundation pit Construction Technology field, particularly a kind of subregion job practices of deep big foundation pit.
Background technology
Development along with urban construction; building is more and more intensive; underground structure and above-ground structures are interlaced; cause area and the degree of depth of base pit engineering constantly to increase; construction plant is more and more compacter, and red line is close in some place, makes foundation ditch periphery construction plant very narrow and small; and foundation ditch surrounding enviroment are complicated, responsive, close on a large amount of pipelines, Important building and subway structure etc., more and more higher to the requirement of surrounding enviroment protection.
Excavation of foundation pit can cause the stress field of foundation ditch and surrounding soil, displacement field to change, and the displacement visualize of foundation ditch and foundation ditch surrounding soil is the inside and outside vertical deformation of foundation ditch and the lateral deformation of space enclosing structure.When soft clay area construction deep big foundation pit, except meeting the intensity and safety of deep big foundation pit itself, main is to control the distortion that deep big foundation pit excavation produces, to meet the protection requirement of deep big foundation pit surrounding enviroment.Deep big foundation pit neighboring ground settlement and influence basin are except outside the Pass the soil properties of planning to build place with engineering has, main influence factor is the lateral displacement of space enclosing structure and the protuberance of the interior soil body of deep big foundation pit, and the interior protuberance of the soil body of deep big foundation pit and the width of foundation ditch, excavation area and cutting depth are closely related.
From above-mentioned deep big foundation pit deformation mechanism and signature analysis, controlling deep big foundation pit outside ground settlement is mainly to control the lateral deformation of space enclosing structure and the protuberance of the interior soil body of foundation ditch.For the lateral deformation of space enclosing structure, can realize by improving the rigidity of space enclosing structure, increase measures such as inserting ratio and the road number supporting and rigidity.But because deep big foundation pit cutting depth is dark and area is large, the distortion many and that produce of disposable off-load amount are very rambunctious.For this reason, Shanghai City building supervision department clearly proposes in (2012) No. 645 files are established diplomatic relations in Shanghai, for the buildings such as hospital, school, house and protection building on the natural ground within the scope of influence of foundation excavation or stub basis, should consider foundation ditch environmental protection grade by important building; The deep big foundation pit of overlarge area should be gone along with sb. to guard him and construct by subregion, to reduce engineering risk and environmental risk.
Minute hole construction method refer to according to foundation ditch dig deeply, the situation such as field construction condition, foundation ditch is divided into some, compartment wall is set between piece and piece, press the principle of " become greatly little, break the whole up into parts ", piecemeal carries out the construction of supporting, soil excavation and underground structure.That minute hole construction method has is less on foundation ditch surrounding enviroment impacts, the input of working sources more effectively, construction and management more rationally and the safety of base pit engineering high more, be used in recent years in numerous items, having become the engineering construction of solution deep big foundation pit affects one of effective method of this conspicuous contradiction on surrounding enviroment.
Chinese invention patent application numbers 201210533192.3, name is called subregion off-load and controls in the technical scheme of system and method for deep big foundation pit distortion, by together interim compartment wall is set in the hole in the contiguous object of protection side of deep big foundation pit, deep big foundation pit is divided into the fillet foundation ditch Liang Ge region away from large foundation ditch and the contiguous object of protection of object of protection, first excavate large foundation ditch, after completing large base plate of foundation pit and build by rapid construction, excavate again fillet foundation ditch, adopt steel axial force of the supports servo-drive system to carry out Deformation control to the space enclosing structure of fillet foundation ditch, the lateral deformation of the space enclosing structure of grading control deep big foundation pit, thereby the safety of the object of protection of the contiguous deep big foundation pit of protection.In manual, enumerated floor space 10000m
2, the solution of the deep big foundation pit engineering that is close to subway tunnel of cutting depth 17.5m～25.4m.
But, more than deep big foundation pit project occupation of land area reaches 20000m2, dig and be deeply greater than 12.0m, and while thering is concave plane shape; Or when deep big foundation pit excavates the situation of the important buildings such as hospital, school, house and protection building that have many natural grounds or stub basis in influence basin, technique scheme can not meet construction requirement.Therefore, for solving above-mentioned unfavorable factor, cause the problem that deep big foundation pit engineering construction is excessive on surrounding enviroment impact and the construction period is longer, need to improve the job practices of existing control deep big foundation pit distortion, to meet the construction requirement of deep big foundation pit engineering.
Summary of the invention
Minute hole job practices for existing deep big foundation pit, because excavation of foundation pit area is excessive and flat shape is irregular, or within the scope of influence of foundation excavation, there is the unfavorable factors such as many important buildings, cause the problem that deep big foundation pit construction is excessive on surrounding enviroment impact and the construction period is longer.The subregion job practices that the object of this invention is to provide a kind of deep big foundation pit.The present invention constructs by the subregion to deep big foundation pit, can dwindle relative excavation area, reduces tau-effect, the shortening basic engineering construction duration of foundation ditch and improve construction effect.
It is as follows that the present invention solves the subregion construction method step that its technical problem adopts:
One, according to the engineering geological conditions of described deep big foundation pit construction plant, foundation ditch character and surrounding enviroment, select partition method; And
Two, described deep big foundation pit is divided into foundation ditch one, foundation ditch two and the foundation ditch three being arranged in order, the described foundation ditch one and the foundation ditch three that are positioned at described deep big foundation pit both sides are non-conterminous.
Further, after described step 2, also comprise:
Three, first excavate described foundation ditch one and foundation ditch three and carry out inner support construction, treating that described foundation ditch one and foundation ditch three excavations complete, returning and build after base plate and basement, then excavate described foundation ditch two, carry out inner support construction and return and build base plate and basement;
Four, described foundation ditch one, foundation ditch two and foundation ditch three are linked to be to integral body, complete the subregion construction of described deep big foundation pit.
Further, when the flat shape of described deep big foundation pit is sealene triangle, the plane of described foundation ditch two is elongated, and described foundation ditch Er one end is positioned on the hypotenuse of described deep big foundation pit, and the other end of described foundation ditch two is positioned on the long limit of described deep big foundation pit.
The area of described foundation ditch one and foundation ditch three is all greater than the area of described foundation ditch two.
The width of described foundation ditch two is more than or equal to 30 meters.
Further, after described step 2, also comprise:
Three, first excavate described the second foundation ditch and carry out inner support construction, until described the second excavation of foundation pit, completing and return and build after base plate, then excavating described the first foundation ditch and the 3rd foundation ditch, carry out inner support construction and return and build base plate and basement;
Four, described the first foundation ditch, the second foundation ditch and the 3rd foundation ditch are linked to be to integral body, complete the subregion construction of described deep big foundation pit.
The flat shape of described deep big foundation pit is elongated, and the length of long sides of described deep big foundation pit is 250 meters～350 meters.
Digging of described the second foundation ditch is deeply all greater than described the first foundation ditch and the 3rd foundation ditch.
Preferably, in described step 3, to safe class, high or surrounding enviroment are controlled the strict foundation ditch of deformation requirements, and supporting adopts the pattern of going along with sb. to guard him that cement mixing interlocking pile and bored pile combine, and increases reinforced concrete inner support.
Effect of the present invention is:
One, subregion job practices of the present invention is selected subregion job practices according to the engineering geological conditions of deep big foundation pit construction plant, foundation ditch character and surrounding enviroment, concrete as shape, area, dig deeply, the situation such as agent structure position and distribution.According to shape, dividing can clear and definite inner support bang path, improves the whole rigidity of going along with sb. to guard him system; According to area, divide " tau-effect " that can effectively control foundation ditch; According to difference, dig and deeply can effectively control Eccentric Load for the impact of excavation of foundation pit, optimize the supporting and protection structure system of foundation ditch; According to agent structure, divide the object that can reach convenient construction.
For construction area, surpass 20000m
2, shape is extremely irregular or dig and deeply differ and foundation ditch that drop is large, subregion job practices of the present invention be by original deep big foundation pit be divided into a plurality of independently, relative less foundation ditch, and carry out respectively the construction of supporting, soil excavation and underground structure, shortened the length of side of foundation ditch, can effectively reduce the impact of excavation of foundation pit on its surrounding enviroment, effectively reduce " tau-effect ", thereby make the safety of base pit engineering higher.
Two, due under different geological conditions, the failure mode of the soil body is different, and soil pressure is not identical yet, at design aspect, the building-in depth of the fender post of foundation ditch, the situation of reinforcing in stake footpath size and hole is also not quite similar, therefore, subregion job practices of the present invention is divided according to the engineering geological conditions of planning to build place, can make full use of construction plant, can utilize rear excavation plot as the construction plant of first excavating plot, then utilize and first complete the plot of sole plate construction as the construction plant in rear excavation plot, be particularly suitable for the restricted super-giant foundation pit work items in construction plant, solved because of the limited problem that causes construction plant anxiety in foundation ditch place, improved the utilization rate of construction plant, be conducive to construction and management.In addition, with respect to the job practices of integral body excavation, job practices of the present invention can drop into resource effectively, equably, avoids disposable a large amount of resource to drop into, and has better economic benefit.
When three, subregion job practices of the present invention is divided according to the concrete condition of deep big foundation pit surrounding enviroment and in conjunction with the situation of safe class and self design, for safe class, higher or environment Deformation control requires strict region, design of its support rigidity is suitably large, for environment Deformation control, require relatively loose region, design of its support rigidity is suitably economical; In foundation pit construction process, run into unfavorable geological condition and excavation area when excessive again, the insertion depth of supporting and protection structure can be relatively large, and employing subregion job practices, can guarantee under the prerequisite of foundation ditch safety, reduce to insert than saving material, to improve the economic benefit of deep big foundation pit engineering integral body.
Accompanying drawing explanation
Fig. 1 is the deep big foundation pit engineering general layout plan of the embodiment of the present invention one;
Fig. 2 is the deep big foundation pit engineering general layout plan of the embodiment of the present invention two.
The specific embodiment
The subregion job practices of deep big foundation pit the present invention being proposed below in conjunction with the drawings and specific embodiments is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of the aid illustration embodiment of the present invention lucidly.
Embodiment mono-: the subregion job practices that deep big foundation pit of the present invention is described in conjunction with Fig. 1, this engineering is planned to build seven layers of buildings on the ground, the shopping mall of F3/B3, Deep Foundation Pit floor space 80000m2, dig dark 16.0m, flat shape is irregular triangle and (has minor face a, long limit b and hypotenuse c), because excavation of foundation pit area is excessive, if according to minute hole method of routine, be divided into thing or construct in Liang Kuai region, north and south, though reduced the excavation area of deep big foundation pit, guaranteed the safety of base pit engineering, but be unfavorable for the construction of agent structure, extended the main structure construction duration.The subregion job practices that adopts the present embodiment, step is as follows:
One, according to the engineering geological conditions of described deep big foundation pit 100 construction plants, foundation ditch character and surrounding enviroment, select partition method;
Two, first, deep big foundation pit 100 is divided into three foundation ditches that are arranged in order, i.e. foundation ditch 1, foundation ditch 2 102 and foundation ditch 3 103, the foundation ditch 1 and the foundation ditch 3 103 that are positioned at deep big foundation pit 100 both sides are non-conterminous.
Further, further comprising the steps of after the step 2 of the present embodiment:
Three, first excavation pit 1 and foundation ditch 3 103 carry out inner support construction, centre reserves the foundation ditch 2 102 of strip, treat that foundation ditch 1 and foundation ditch 3 103 have excavated, inner support is constructed and is returned and build after base plate and basement, reserved foundation ditch 2 102 before excavation again, and construct to foundation ditch 2 102 and build base plate and basement;
Four, foundation ditch 1, foundation ditch 2 102 and foundation ditch 3 103 are linked to be to integral body, complete construction.
Further, foundation ditch Er102 one end of strip is positioned on the hypotenuse c of deep big foundation pit 100, and the other end of foundation ditch 2 102 is positioned on deep big foundation pit 100Chang limit b.Due in the process of foundation pit construction, the larger displacement of supporting facility generally occurs in the long limit of foundation ditch, and is span centre position, and minor face displacement is relatively little, position, turning, foundation ditch end especially, and displacement is minimum.Therefore, foundation ditch 2 102 the length of side that can reduce deep big foundation pit 100 is set, the displacement of supporting facility can be controlled in minimum scope, effectively reduce the impact of excavation of foundation pit on its surrounding enviroment, to reduce " long side effect ", thereby make the safety of base pit engineering higher.
The area of foundation ditch 1 and foundation ditch 3 103 is all greater than the area of foundation ditch 2 102.Construction foundation pit 1 and foundation ditch 3 103 can shorten the duration of project subject structure to greatest extent simultaneously.
Preferably, the width of foundation ditch 2 102 is more than or equal to 30 meters, neither affects the construction of agent structure, can provide construction plant for the construction of agent structure again.
Subregion job practices of the present invention, divides according to the engineering geological conditions of construction plant, foundation ditch character and surrounding enviroment.Concrete as the shape of foundation ditch, area, dig the situations such as dark, agent structure position and distribution.According to shape, dividing can clear and definite inner support bang path, improves the whole rigidity of going along with sb. to guard him system; According to area, divide the tau-effect that can effectively control foundation ditch; According to difference, dig and deeply can effectively control Eccentric Load for the impact of excavation of foundation pit, optimize the supporting and protection structure system of foundation ditch; According to agent structure, divide the object that can reach convenient construction.
The deep big foundation pit construction works of the present embodiment is by above-mentioned subregion job practices, first construction foundation pit 1 and foundation ditch 3 103 simultaneously, construction foundation pit 2 102 again, the method has been accelerated the duration of main structure construction, alleviated the excessive pressure of the disposable input of fund, reduced " three-dimensional effect " of foundation ditch simultaneously, guaranteed the construction safety of foundation ditch, improved the economic benefit of base pit engineering integral body.
Embodiment bis-: the subregion job practices that deep big foundation pit of the present invention is described in conjunction with Fig. 2; this engineering is planned to build a dancing center; Deep Foundation Pit floor space 80000m2; dig dark 6.8m～11.0m; flat shape is elongated; maximum span reaches more than 300 meters, and periphery has 6 historical protective buildings (in accompanying drawing 2 shown in B1～B6), apart from excavation of foundation pit sideline nearest be only 3.7m.If according to minute hole method of routine, foundation ditch is divided into hole construction in two pieces minutes, though reduced like this excavation area of foundation ditch, increased the safety of foundation ditch, can not farthest control the impact of excavation of foundation pit on periphery historical protective buildings.The subregion job practices that adopts the present embodiment, step is as follows:
One, according to the engineering geological conditions of described deep big foundation pit 200 construction plants, foundation ditch character and surrounding enviroment, select partition method, the present embodiment carries out subregion according to the different principle of digging dark and 6 historical protective buildings distributing positions of periphery of deep big foundation pit 200;
Two, first; deep big foundation pit 200 is divided into three foundation ditches that are arranged in order; i.e. the first foundation ditch 201, the second foundation ditch 202 and the 3rd foundation ditch 203; the first foundation ditch 201 and the 3rd foundation ditch 203 that area is close are non-conterminous, and protection building B1 and B2 are near the first foundation ditch 201, and protection building B3, B4 and B6 are near the second foundation ditch 202; B5 is near the 3rd foundation ditch 203 for protection building; in base, it is 11 meters deeply that the second foundation ditch 202 digs, and it is 6.8 meters deeply that the first foundation ditch 201 and the 3rd foundation ditch 203 dig.
Further, further comprising the steps of after the step 2 of the present embodiment:
Three, first excavate the second foundation ditch 202, after the second foundation ditch 202 is constructed and built to base plate and basement, then excavate the first foundation ditch 201 and the 3rd foundation ditch 203.Like this, while constructing the second foundation ditch 202, the distortion major effect of foundation ditch protection building B3, B4 and B6; While constructing the first foundation ditch 201, the distortion of foundation ditch only has influence on protection building B1 and B2; While constructing the 3rd foundation ditch 203, the distortion of foundation ditch only has influence on protection building B5.
Four, the first foundation ditch 201, the second foundation ditch 202 and the 3rd foundation ditch 203 are linked to be to integral body, complete construction.
Preferably, high or the strict foundation ditch of surrounding enviroment control deformation requirements to safe class, supporting adopts the pattern of going along with sb. to guard him that cement mixing interlocking pile and bored pile combine, and increase reinforced concrete inner support, be that design of its support rigidity suitably increases, and control the comparatively loose region of deformation requirements for environment, design of its support is suitably economical, to improve the economic benefit of deep big foundation pit engineering integral body.
The deep big foundation pit construction works of the present embodiment is by above-mentioned subregion job practices, the second darker foundation ditch 202 is dug in first construction, after backfill the second foundation ditch 202, construct again the first foundation ditch 201 and the 3rd foundation ditch 203 simultaneously, compare foundation ditch is divided into two methods of constructing respectively, the subregion job practices of the present embodiment can effectively be controlled the distortion of foundation ditch surrounding enviroment and reduce " tau-effect " of foundation ditch.Not only shield the impact of excavation of foundation pit on periphery historical protective buildings, also reduced the excavation area of foundation ditch simultaneously, guaranteed the safety of foundation ditch.
Foregoing description is only the description to preferred embodiment of the present invention, the not any restriction to the scope of the invention, and any change, modification that the those of ordinary skill in field of the present invention is done according to above-mentioned disclosure, all belong to the protection domain of claims.
Claims (9)
1. the subregion job practices of deep big foundation pit, is characterized in that, step is as follows:
One, according to the engineering geological conditions of described deep big foundation pit construction plant, foundation ditch character and surrounding enviroment, select partition method; And
Two, described deep big foundation pit is divided into foundation ditch one, foundation ditch two and the foundation ditch three being arranged in order, the described foundation ditch one and the foundation ditch three that are positioned at described deep big foundation pit both sides are non-conterminous.
2. subregion job practices according to claim 1, is characterized in that: after described step 2, also comprise:
Three, first excavate described foundation ditch one and foundation ditch three and carry out inner support construction, treating that described foundation ditch one and foundation ditch three excavations complete, returning and build after base plate and basement, then excavate described foundation ditch two, carry out inner support construction and return and build base plate and basement;
Four, described foundation ditch one, foundation ditch two and foundation ditch three are linked to be to integral body, complete the subregion construction of described deep big foundation pit.
3. subregion job practices according to claim 2, it is characterized in that: when the flat shape of described deep big foundation pit is sealene triangle, the plane of described foundation ditch two is elongated, described foundation ditch Er one end is positioned on the hypotenuse of described deep big foundation pit, and the other end of described foundation ditch two is positioned on the long limit of described deep big foundation pit.
4. subregion job practices according to claim 3, is characterized in that: the area of described foundation ditch one and foundation ditch three is all greater than the area of described foundation ditch two.
5. according to the subregion job practices described in the arbitrary claim of claim 2 to 4, it is characterized in that: the width of described foundation ditch two is more than or equal to 30 meters.
6. subregion job practices according to claim 1, is characterized in that: after described step 2, also comprise:
Three, first excavate described the second foundation ditch and carry out inner support construction, until described the second excavation of foundation pit, completing and return and build after base plate, then excavating described the first foundation ditch and the 3rd foundation ditch, carry out inner support construction and return and build base plate and basement;
Four, described the first foundation ditch, the second foundation ditch and the 3rd foundation ditch are linked to be to integral body, complete the subregion construction of described deep big foundation pit.
7. subregion job practices according to claim 6, is characterized in that: the flat shape of described deep big foundation pit is elongated, and the length of long sides of described deep big foundation pit is 250 meters～350 meters.
8. subregion job practices according to claim 7, is characterized in that: digging of described the second foundation ditch is deeply all greater than described the first foundation ditch and the 3rd foundation ditch.
9. according to the subregion job practices described in the arbitrary claim of claim 6 to 8, it is characterized in that: in described step 3, high or the strict foundation ditch of surrounding enviroment control deformation requirements to safe class, supporting adopts the pattern of going along with sb. to guard him that cement mixing interlocking pile and bored pile combine, and increases reinforced concrete inner support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310466994.1A CN103510520A (en) | 2013-10-09 | 2013-10-09 | Sectionalized construction method of deep and large foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310466994.1A CN103510520A (en) | 2013-10-09 | 2013-10-09 | Sectionalized construction method of deep and large foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103510520A true CN103510520A (en) | 2014-01-15 |
Family
ID=49893899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310466994.1A Pending CN103510520A (en) | 2013-10-09 | 2013-10-09 | Sectionalized construction method of deep and large foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103510520A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594358A (en) * | 2015-01-07 | 2015-05-06 | 江苏中南建筑产业集团有限责任公司 | Sequential construction and reversed construction Clockwise and counter-clockwise combined construction method of irregular planar deep foundation pit |
| CN104947681A (en) * | 2015-07-07 | 2015-09-30 | 中建三局第二建设工程有限责任公司 | Super large super deep basement ground pit construction method |
| CN105804084A (en) * | 2016-03-25 | 2016-07-27 | 中铁三局集团广东建设工程有限公司 | Excavation construction method of small foundation pit near excavated deep foundation pit |
| CN106320261A (en) * | 2016-08-22 | 2017-01-11 | 中交天航港湾建设工程有限公司 | Ultra-long harbor basin slope excavation construction method |
| CN107313430A (en) * | 2016-04-27 | 2017-11-03 | 上海十三冶建设有限公司 | The deep big foundation pit subregion construction method of three face Nearby Structures |
| CN107330571A (en) * | 2017-08-25 | 2017-11-07 | 中船第九设计研究院工程有限公司 | A kind of foundation ditch group engineer district scheme evaluation method lost based on environmental risk |
| CN107386296A (en) * | 2017-06-14 | 2017-11-24 | 上海建工建集团有限公司 | Close to the construction method of the deep big foundation pit of synchronous construction protection object |
| CN108239982A (en) * | 2018-01-11 | 2018-07-03 | 上海市城市建设设计研究总院（集团）有限公司 | Super foundation subregion separates construction method |
| CN108286254A (en) * | 2017-01-24 | 2018-07-17 | 北京建工土木工程有限公司 | Neighbouring important feature strip foundation pit remaining soils separate subregion excavation construction structure |
| CN108487253A (en) * | 2018-04-03 | 2018-09-04 | 中亿丰建设集团股份有限公司 | One kind facing rail and is long placed in bonus point hole and engineering method of removing obstacles after ultra-deep foundation pit |
| CN110644495A (en) * | 2019-09-24 | 2020-01-03 | 中天建设集团有限公司 | Strip-drawing excavation construction method |
| CN111042145A (en) * | 2020-01-02 | 2020-04-21 | 中国水利水电第八工程局有限公司 | Construction method for excavating foundation pit near deep-buried large-diameter pipeline |
| CN112854238A (en) * | 2021-01-11 | 2021-05-28 | 上海市政工程设计研究总院（集团）有限公司 | Open trench tunnel staged construction joint foundation pit supporting system and construction method thereof |
| CN113404053A (en) * | 2021-08-11 | 2021-09-17 | 宏润建设集团股份有限公司 | Subway station main body foundation pit in urban complex environment and construction method |
| CN114673162A (en) * | 2022-04-15 | 2022-06-28 | 中铁上海设计院集团有限公司 | Underground vehicle base foundation pit construction method |
| CN116306120A (en) * | 2023-03-02 | 2023-06-23 | 中交第四航务工程局有限公司 | Method for partitioning influence of excavation of foundation pit adjacent to existing structure on surrounding environment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001182477A (en) * | 1999-12-28 | 2001-07-06 | Zenitaka Corp | Device of partition iron plate |
| CN101408025A (en) * | 2008-11-11 | 2009-04-15 | 广州市设计院 | Pit construction method by using major structure as bearing point |
| CN101666095A (en) * | 2009-09-11 | 2010-03-10 | 朱奎 | Irregular foundation pit support and construction method |
| CN102477744A (en) * | 2010-11-23 | 2012-05-30 | 中国二十冶集团有限公司 | Method for excavating large-area pit with inner supporting pit under soft soil foundation condition |
| CN102943479A (en) * | 2012-12-11 | 2013-02-27 | 同济大学建筑设计研究院(集团)有限公司 | System and method for controlling deformation of deep and large foundation pit through partition unloading |
-
2013
- 2013-10-09 CN CN201310466994.1A patent/CN103510520A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001182477A (en) * | 1999-12-28 | 2001-07-06 | Zenitaka Corp | Device of partition iron plate |
| CN101408025A (en) * | 2008-11-11 | 2009-04-15 | 广州市设计院 | Pit construction method by using major structure as bearing point |
| CN101666095A (en) * | 2009-09-11 | 2010-03-10 | 朱奎 | Irregular foundation pit support and construction method |
| CN102477744A (en) * | 2010-11-23 | 2012-05-30 | 中国二十冶集团有限公司 | Method for excavating large-area pit with inner supporting pit under soft soil foundation condition |
| CN102943479A (en) * | 2012-12-11 | 2013-02-27 | 同济大学建筑设计研究院(集团)有限公司 | System and method for controlling deformation of deep and large foundation pit through partition unloading |
Non-Patent Citations (1)
| Title |
|---|
| 董泽荣等: "三角形超深基坑围护体变形的控制", 《建筑施工》, vol. 27, no. 8, 31 August 2005 (2005-08-31), pages 4 - 6 * |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594358A (en) * | 2015-01-07 | 2015-05-06 | 江苏中南建筑产业集团有限责任公司 | Sequential construction and reversed construction Clockwise and counter-clockwise combined construction method of irregular planar deep foundation pit |
| CN104594358B (en) * | 2015-01-07 | 2017-01-18 | 江苏中南建筑产业集团有限责任公司 | Sequential construction and reversed construction Clockwise and counter-clockwise combined construction method of irregular planar deep foundation pit |
| CN104947681A (en) * | 2015-07-07 | 2015-09-30 | 中建三局第二建设工程有限责任公司 | Super large super deep basement ground pit construction method |
| CN104947681B (en) * | 2015-07-07 | 2017-05-10 | 中建三局第二建设工程有限责任公司 | Super large super deep basement ground pit construction method |
| CN105804084A (en) * | 2016-03-25 | 2016-07-27 | 中铁三局集团广东建设工程有限公司 | Excavation construction method of small foundation pit near excavated deep foundation pit |
| CN105804084B (en) * | 2016-03-25 | 2017-08-29 | 中铁三局集团广东建设工程有限公司 | A kind of small excavation method for closing on deep pit excavation |
| CN107313430A (en) * | 2016-04-27 | 2017-11-03 | 上海十三冶建设有限公司 | The deep big foundation pit subregion construction method of three face Nearby Structures |
| CN106320261B (en) * | 2016-08-22 | 2018-06-08 | 中交天航港湾建设工程有限公司 | A kind of construction method of overlength basin slope excavating |
| CN106320261A (en) * | 2016-08-22 | 2017-01-11 | 中交天航港湾建设工程有限公司 | Ultra-long harbor basin slope excavation construction method |
| CN108286254A (en) * | 2017-01-24 | 2018-07-17 | 北京建工土木工程有限公司 | Neighbouring important feature strip foundation pit remaining soils separate subregion excavation construction structure |
| CN107386296A (en) * | 2017-06-14 | 2017-11-24 | 上海建工建集团有限公司 | Close to the construction method of the deep big foundation pit of synchronous construction protection object |
| CN107330571A (en) * | 2017-08-25 | 2017-11-07 | 中船第九设计研究院工程有限公司 | A kind of foundation ditch group engineer district scheme evaluation method lost based on environmental risk |
| CN108239982A (en) * | 2018-01-11 | 2018-07-03 | 上海市城市建设设计研究总院（集团）有限公司 | Super foundation subregion separates construction method |
| CN108487253A (en) * | 2018-04-03 | 2018-09-04 | 中亿丰建设集团股份有限公司 | One kind facing rail and is long placed in bonus point hole and engineering method of removing obstacles after ultra-deep foundation pit |
| CN110644495A (en) * | 2019-09-24 | 2020-01-03 | 中天建设集团有限公司 | Strip-drawing excavation construction method |
| CN111042145A (en) * | 2020-01-02 | 2020-04-21 | 中国水利水电第八工程局有限公司 | Construction method for excavating foundation pit near deep-buried large-diameter pipeline |
| CN111042145B (en) * | 2020-01-02 | 2022-03-11 | 中国水利水电第八工程局有限公司 | Construction method for excavating foundation pit near deep-buried large-diameter pipeline |
| CN112854238A (en) * | 2021-01-11 | 2021-05-28 | 上海市政工程设计研究总院（集团）有限公司 | Open trench tunnel staged construction joint foundation pit supporting system and construction method thereof |
| CN113404053A (en) * | 2021-08-11 | 2021-09-17 | 宏润建设集团股份有限公司 | Subway station main body foundation pit in urban complex environment and construction method |
| CN114673162A (en) * | 2022-04-15 | 2022-06-28 | 中铁上海设计院集团有限公司 | Underground vehicle base foundation pit construction method |
| CN114673162B (en) * | 2022-04-15 | 2023-09-22 | 中铁上海设计院集团有限公司 | Underground vehicle foundation pit construction method |
| CN116306120A (en) * | 2023-03-02 | 2023-06-23 | 中交第四航务工程局有限公司 | Method for partitioning influence of excavation of foundation pit adjacent to existing structure on surrounding environment |
| CN116306120B (en) * | 2023-03-02 | 2023-11-17 | 中交第四航务工程局有限公司 | Method for partitioning influence of excavation of foundation pit adjacent to existing structure on surrounding environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103510520A (en) | Sectionalized construction method of deep and large foundation pit | |
| CN102966108B (en) | Construction method of deep foundation pit close to building and adopting underground structure as internal support | |
| CN104652443B (en) | Construction method of the interim horizontal support of deep basal pit as permanent structure beam | |
| CN103590836B (en) | Method for processing tunnel collapse caused by shallow-buried excavation | |
| CN105421461B (en) | Excavation method of building foundation pit adjacent to existing tunnel under soil-rock geological condition | |
| CN102943479A (en) | System and method for controlling deformation of deep and large foundation pit through partition unloading | |
| CN103924602B (en) | Deep Thick Soft Ground foundation ditch construction method | |
| CN108547639B (en) | Tunnel closes on the advanced same more conduit delamination pour slurry construction methods in hole of existing buildings | |
| CN206308569U (en) | It is a kind of to reinforce the road structure for punishing the solution cavity that underlies | |
| CN103061777A (en) | Method for building urban underground tunnel shield cutter repairing space with preset reinforcing pile groups | |
| CN103590406A (en) | Construction method for synchronously excavating ultra-large type deep foundation pits in partitioned mode | |
| CN105421464B (en) | Small-scale pit earthwork digging method | |
| CN104563128A (en) | Synchronous excavation supporting system for deep and large asymmetric pit in soft soil area and implementation method of supporting system | |
| CN103410152B (en) | A kind of construction method for long and narrow deep foundation pit earthwork digging | |
| CN104533426A (en) | Method for constructing ultra-shallow buried tunnel under-passing highway by large-span covering excavating method | |
| CN108978687A (en) | It is a kind of landslide and slope treatment non-straight vertical anti-slide pile structure and installation method | |
| CN108867692A (en) | The protection of city big cross section open trench tunnel Nearby Structure and tunnel foundation pit method for digging | |
| CN108222026A (en) | The restorative procedure of coal mine small-sized hillock | |
| CN111139837A (en) | Method for simultaneously excavating multiple base pits at crossed subway in soft soil area | |
| CN203716156U (en) | Pit-in-pit city gate hole type excavation construction structure in deep foundation pit | |
| CN106703059B (en) | Open caisson cross trough-pulling construction method | |
| CN207331746U (en) | A kind of underground pipe gallery | |
| CN102493488A (en) | Construction method for reverse beams and normal plates in foundation pit engineering | |
| CN203546727U (en) | Partition structure for controlling deformation of deep and large foundation pit | |
| CN202954367U (en) | System for controlling deformation of deep and big foundation pit by utilizing divisional unloading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140115 |