CN106436732A - Reinforcing method and reinforcing structure for replacing strip foundations by raft foundations - Google Patents
Reinforcing method and reinforcing structure for replacing strip foundations by raft foundations Download PDFInfo
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- CN106436732A CN106436732A CN201610232390.4A CN201610232390A CN106436732A CN 106436732 A CN106436732 A CN 106436732A CN 201610232390 A CN201610232390 A CN 201610232390A CN 106436732 A CN106436732 A CN 106436732A
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- strip footing
- foundation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
- E02D27/08—Reinforcements for flat foundations
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a reinforcing method and a reinforcing structure for replacing strip foundations by raft foundations. The reinforcing method comprises the following steps of: (1) excavating two foundation pits in the grounds on two sides of each of the strip foundations correspondingly; (2) in each strip foundation, scooping out a plurality of holes which are successively arranged at intervals along the length direction of each of the strip foundations; (3) putting a bound cantilever beam reinforcement cage in each of the holes; (4) putting two bound boundary beam reinforcement cages in the foundation pits on two sides of each of the strip foundations correspondingly; (5) binding bottom plate basic reinforcing steel bars between the two boundary beam reinforcement cages between every two strip foundations; and (6) pouring concrete into the holes and the foundation pits. The reinforcing method plays a hooping role to the original strip foundations, the original structure is not damaged during construction, reinforcement equal to increase of the cross section is performed on the original structure, and the formed raft foundations more effectively bear an upper load.
Description
Technical field
The present invention relates to building construction field, be specifically related to reinforcement means and the ruggedized construction of a kind of strip footing.
Background technology
Due to the needs of social development, some are related to people's livelihood, are related to great national project and the city of environment
Planned project there occurs with existing building when construction conflicts, the ancient building of some long histories have uniqueness with can not be
Natural disposition.The reinforced protection that these are built of current China.In addition, at present in civil buildings and industrial building, because building
Function change, the bearing capacity increase etc. of building thing are former so that carry out strengthening construction to original building, require with satisfied use, basis
Being the supporting member of below constructure ground, it subjects the whole load that building superstructure hands down, and is passing to ground
Base.Therefore strengthening of foundation is related to the security entirely built, and ancient building is being carried out protecting or civilian industry building adds by we
Gu when, it is necessary first to basis is reinforced.
Strengthening of foundation has the method for multiple reinforcing, and the general theory of these reinforcement means is not change former base form,
And underpinning structure, after reinforcing, foundation structure is strengthened.When carrying out bar base strengthening of foundation, general use increasing section and
Anchor Rod Static method, both reinforcement means are required for the disturbance of original basis when reinforcing.For some ages
Building remote, bar base basis aging intensity is not enough, if there being disturbance to have certain danger during reinforcing.Use increasing section
When method makes strip footing increase, original structure and reinforce after structure formed an entirety thus jointly bear upper load, once
Serious this reinforcement means frequently of original structure intensity has little effect.When using Anchor Rod Static, add the intensity of ground, from
And former bar base is reinforced, this method for strengthening does not increase bar rheobase, uses this to add during bar base underlying strength wretched insufficiency
Solid method, static pressed pile easily produces lateral pressure when construction certain danger.
How to provide one effectively can reinforce strip footing, the structural strength of strip footing can be not only restricted to again
Strip footing ruggedized construction be the building field of reinforcement problem of needing solution badly.
Content of the invention
For solving above-mentioned technical problem, the goal of the invention of the present invention is to provide a kind of strip footing to be replaced as raft foundation
Reinforcement means and ruggedized construction, this reinforcement means serves contining function to former strip footing, construction when do not destroy former knot
Structure, has carried out the reinforcing of equivalent increasing section to original structure, and the raft foundation of formation more efficiently bears upper load.
For achieving the above object, the present invention provides following technical scheme：A kind of strip footing is replaced as raft plate base
The reinforcement means of plinth, comprises the steps：
（1）Dig out two foundation ditches respectively on the ground, both sides of every strip footing, wherein, be positioned at adjacent two strip footing it
Between two foundation ditches be connected；
（2）Several holes of the length direction spacing distance successively arrangement along strip footing are drawn out respectively on the basis of every bar shaped
Hole, wherein, the both sides side of the through strip footing of each hole；
（3）A good outrigger framework of steel reinforcement of colligation is placed in each hole；
（4）Two good side bar frameworks of steel reinforcement of colligation, wherein, outrigger steel are placed respectively in the both sides foundation ditch of every strip footing
The two ends of muscles and bones frame are each passed through two the side bar frameworks of steel reinforcement being positioned at its both sides；
（5）Colligation mat foundation reinforcing bar between two side bar skeletons between two strip footings；
（6）Casting concrete in described hole and described foundation ditch.
In technique scheme, step（1）In, during earth excavation, on the basis of need to supporting bar shaped, square body of wall is gone forward side by side
Row foundation ditch puts slope, it is impossible to disturbance strip footing, and after earth excavation, the bed course in foundation ditch i.e. digs and i.e. waters.
In technique scheme, step（5）In, horse to be arranged between lower floor's reinforcing bar of mat foundation reinforcing bar and top bars
Stool.
In technique scheme, step（6）In, the concrete surface height that the feed opening distance of concrete is poured exceedes
When 2 meters, string bucket or chute is used to pour.
In technique scheme, step（6）In, the layering that pours of concrete is carried out continuously and vibrates, lift height
For 1-1.5 times of vibrator effect partial-length, lift height is less than 50 centimetres, and the moving interval of vibrator no more than vibrates
1.5 times of device operating radius, vibrate last layer concrete when should insert next layer concrete 5 centimetres.
In technique scheme, step（6）In, concrete can not continuous placing and interval time little more than 2 constantly, carry out
Treatment of construction joints, is covered to concrete and moisture-keeping maintaining within the pouring 12 hours after completing of concrete.
The present invention also provides another one technical scheme：A kind of strip footing is replaced as the ruggedized construction of raft foundation, its
Being characterised by, described ruggedized construction includes along the length direction extension of described strip footing and the width along described strip footing
Direction is separately positioned on two side bar frameworks of steel reinforcement of the both sides of described strip footing, the width along described strip footing prolongs
Several holes of stretching and being opened in described strip footing along the length direction spacing distance successively of described strip footing, pass through
Wear described hole and two ends extend respectively to be positioned in two described side bar frameworks of steel reinforcement of the both sides of described strip footing
Some outrigger frameworks of steel reinforcement and two ends extend respectively to two the described reinforcing bars being positioned between two described strip footings
Some mat foundation reinforcing bars in frame, described hole and outrigger framework of steel reinforcement part casting concrete on its inside are constituted
Run through some outriggers of described strip footing, described framework of steel reinforcement, outrigger framework of steel reinforcement part on its inside and position
The mat foundation reinforcing bar part casting concrete of side constitutes side bar, described strip footing, described outrigger and described limit in the inner
Beam collectively forms the beam of raft foundation, is arranged between two described strip footings and is positioned between two described frameworks of steel reinforcement
Mat foundation reinforcing bar part casting concrete constitute the base plate of raft foundation.
In technique scheme, described side bar framework of steel reinforcement include along described strip footing length direction extend and
The stirrup of longitudinal reinforcement described in the longitudinal reinforcement arranging in perpendicular and colligation.
In technique scheme, some described strip footings join setting, some described side bar frameworks of steel reinforcement in length and breadth
Handing-over in length and breadth is arranged, and is arranged between two described strip footings and is positioned at the base plate between two described side bar frameworks of steel reinforcement
The crisscross setting of reinforcement foundation part.
In technique scheme, several described holes are spaced 0.5～1.5 successively along the length direction of described strip footing
Rice distance is arranged.
Owing to technique scheme is used, the present invention compared with prior art has following advantages：The present invention is by bar
The both sides on shape basis increase side bar, and along the length direction spacing increase outrigger of strip footing, reinforcing bar penetrates drawknot both sides side bar, limit
Between beam, steel tie forms base plate, and side bar forms raft foundation with base plate, and former strip footing is served tightly by this ruggedized construction
Hoop effect, does not destroy original structure when construction, has carried out the reinforcing of equivalent increasing section to original structure, and the raft foundation of formation is more
Add and effectively bear upper load.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the accompanying drawing of required use is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, all right
Obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of former strip footing disclosed by the invention；
Fig. 2 is the structural representation of the ruggedized construction that strip footing disclosed by the invention is replaced as raft foundation；
Fig. 3 is the schematic diagram of the ruggedized construction that one of them strip footing disclosed by the invention is replaced as raft foundation.
Wherein, the 100th, strip footing；200th, side bar framework of steel reinforcement；210th, longitudinal reinforcement；220th, stirrup；300th, outrigger reinforcing bar
Skeleton；400th, mat foundation reinforcing bar；500th, side bar；600th, the beam of raft foundation；700th, the base plate of raft foundation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe wholely.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment one：
A kind of strip footing is replaced as the reinforcement means of raft foundation, comprises the steps：
（1）Dig out two foundation ditches respectively on the ground, both sides of every strip footing, wherein, be positioned at adjacent two strip footing it
Between two foundation ditches be connected；
（2）Several holes of the length direction spacing distance successively arrangement along strip footing are drawn out respectively on the basis of every bar shaped
Hole, wherein, the both sides side of the through strip footing of each hole；
（3）A good outrigger framework of steel reinforcement of colligation is placed in each hole；
（4）Two good side bar frameworks of steel reinforcement of colligation, wherein, outrigger steel are placed respectively in the both sides foundation ditch of every strip footing
The two ends of muscles and bones frame are each passed through two the side bar frameworks of steel reinforcement being positioned at its both sides；
（5）Colligation mat foundation reinforcing bar between two side bar skeletons between two strip footings；
（6）Casting concrete in described hole and described foundation ditch.
1st, earthwork
（1）Carry out excavation and construction in the both sides of bar base, when excavation and construction as far as possible without impinging on former bar base, not disturbance former bar base.
（2）After earth excavation, decreasing the horizontal support of bar base, therefore bed course i.e. to dig and i.e. to water.
（3）It is strict with during excavation and puts slope, it should be noted that the support of body of wall, and note the change of the firm and Tu Bi supporting
2nd, outrigger position positioning, installation
（1）Outrigger position is 1 meter of interval, releases positioning line according to drawing, and outrigger position can not be excessively intensive, easily causes top
The damage of body of wall.
（2）Outrigger should pass through the side bar on both sides, fixes four reinforcing bars with stirrup, it is ensured that the position of reinforcing bar exists in hole
Do not shift during construction.
（3）Outrigger hole position is difficult to pour, and should fully vibrate when pouring.
3rd, the colligation of side bar and whole slab muscle
（1）The entering of reinforcing steel bar is it is necessary to have product certificate, batch number and laboratory report list, and quality certificate must be with reinforcing bar
Together march into the arena, after the entering of reinforcing steel bar, be sampled carrying out mechanical property retrial on request, qualified after could use.
（2）This construction joint reinforcing bar uses colligation to connect, and the beam on bar base limit is to drawing, and whole plate base reinforcing bar is deep with side bar anchoring
Degree meets requirement.
（3）Lay baseplate reinforcing bar when, reinforcing bar should colligation totally, protective layer cushion block spacing 600*600 be blossom type put will
Seek a line anyhow.
（4）Split heads to be arranged between base plate lower floor reinforcing bar and top bars.
4th, reinforcement construction inspection of quality
（1）The bending angle of the stirrup hook of side bar should be 135 °.
（2）The joint of reinforcing bar is preferably arranged on stress smaller part.Same Reinforcement should not arrange two or two with
Top connection.Connector end to reinforcing bar bends up 10 times that distance a little is no less than bar diameter.
（3）When colligation baseplate reinforcing bar, first lay and short re-lay long span reinforcing bar across reinforcing bar.
（4）The a length of 1.3L of reinforcing bar binding lap joint jointing（L is the lap of splice）, all lap joint midpoints
The lap joint being positioned at this jointing length belongs to same jointing.In same jointing, longitudinal reinforcement overlaps
Joint area percentage is the Reinforcement area of section having lap joint in this section and whole longitudinal stresses
5th, side bar and whole plate base are poured
（1）Cement used by concrete, water, aggregate, additive etc. have to comply with job specfication and the regulation about standard.
（2）The match ratio of concrete, measuring raw materials, stirring, maintenance and treatment of construction joints, it is necessary to meet job specfication
Regulation.1）The concrete surface height that the feed opening distance of concrete is poured must not exceed 2m.When falling more than 2m as freely inclined,
String bucket or chute should be used. 2）The pouring to be layered of concrete is carried out continuously, and generic hierarchical thickness is that vibrator effect part is long
1.25 times of degree, maximum less than 50cm. 3）Should be inserted soon by poker vibrator and pull out slowly, slotting point should be evenly distributed, and pointwise moves
Dynamic, order is carried out, and must not omit, accomplish vibration compacting.Moving interval is not more than 1.5 times of vibrating spear operating radius.On vibrating
Lower floor 5cm should be inserted, to remove the seam of two interlayers when one layer.The moving interval of vibration board, should ensure that vibrator
Flat board covers the edge having vibrated. 4）Concrete can not continuous placing when, generally more than 2h, should be by treatment of construction joints.5）Pour
During concrete, should often notice that observing template, support, pipeline and preformed hole, built-in fitting has or not ambulatory.When being found to have change
When shape, displacement, should stop immediately pouring, and handle well in time, be further continued for pouring.
6th, the maintenance of concrete is completed
（1）Within the 12h after being poured, concrete should be covered and moisture-keeping maintaining；（2）Concrete water seasoning
Time：To the concrete using portland cement, Portland cement or portland slag cement mixing, not be less than 7d；
To the concrete mixing retarding additive or have seepage resistance demand, 14d must not be less than；（3）Irrigation times should be able to keep concrete
It is in moisture state；Concrete curing water should be same with mixing aqueous phase；（4）Use the concrete of Polypropylence Sheet covering curing, its
Open all surfaces should cover tightly, and keeps Polypropylence Sheet year to have condensation water；（5）The concrete pouring summer, as maintenance is improper, meeting
Cause concrete strength to reduce or plastic shrinkage cracks etc. occurs in surface, therefore, it is necessary to strengthen the maintenance to concrete.
See Fig. 1 to Fig. 3, as shown in legend therein, be the ruggedized construction that a kind of strip footing is replaced as raft foundation, above-mentioned
Ruggedized construction includes being separately positioned on along the length direction extension of strip footing 100 and the width along strip footing 100
The 200th, two frameworks of steel reinforcement of the both sides of strip footing 100 extend and along strip footing along the width of strip footing 100
The length direction of 100 spacing distance successively is opened in several holes in strip footing 100（Not shown in figure）, run through above-mentioned
Hole and two ends extend respectively to some the outrigger steel being positioned in two frameworks of steel reinforcement 200 of the both sides of strip footing 100
Muscles and bones frame 300 and two ends extend respectively at the bottom of some in two frameworks of steel reinforcement 200 being positioned between two strip footings 100
Plate base reinforcing bar 400, above-mentioned hole and outrigger framework of steel reinforcement part casting concrete on its inside composition runs through bar shaped base
Some outriggers of plinth 100（Not shown in figure）, framework of steel reinforcement outrigger framework of steel reinforcement part the 200th, on its inside and position
The mat foundation reinforcing bar part casting concrete of side constitutes side bar 500, strip footing the 100th, above-mentioned outrigger and side bar in the inner
500 beams 600 collectively forming raft foundation, be arranged between two strip footings 100 and be positioned at two frameworks of steel reinforcement 300 it
Between mat foundation reinforcing bar part casting concrete constitute the base plate 700 of raft foundation.
Framework of steel reinforcement 200 includes along the length direction extension 210 of strip footing 100 and indulging of arranging in perpendicular
To the stirrup 220 of reinforcing bar and colligation longitudinal reinforcement 210.
Some strip footings 100 join setting in length and breadth, and some frameworks of steel reinforcement 200 join setting in length and breadth, are arranged on two
Between bar strip footing and the crisscross setting of mat foundation reinforcing bar part that is positioned between two frameworks of steel reinforcement.
Several above-mentioned holes are spaced 0.5～1.5 meter of distance setting successively along the length direction of strip footing 100.
More than for the description to the embodiment of the present invention, by the described above to the disclosed embodiments, make this area special
Industry technical staff is capable of or uses the present invention.Those skilled in the art are come by the multiple modifications to these embodiments
Saying and will be apparent from, generic principles defined herein can be in the situation without departing from the spirit or scope of the present invention
Under, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is intended to symbol
Close the wide scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a strip footing is replaced as the reinforcement means of raft foundation, it is characterised in that comprise the steps：
（1）Dig out two foundation ditches respectively on the ground, both sides of every strip footing, wherein, be positioned at adjacent two strip footing it
Between two foundation ditches be connected；
（2）Several holes of the length direction spacing distance successively arrangement along strip footing are drawn out respectively on the basis of every bar shaped
Hole, wherein, the both sides side of the through strip footing of each hole；
（3）A good outrigger framework of steel reinforcement of colligation is placed in each hole；
（4）Two good side bar frameworks of steel reinforcement of colligation, wherein, outrigger steel are placed respectively in the both sides foundation ditch of every strip footing
The two ends of muscles and bones frame are each passed through two the side bar frameworks of steel reinforcement being positioned at its both sides；
（5）Colligation mat foundation reinforcing bar between two side bar skeletons between two strip footings；
（6）Casting concrete in described hole and described foundation ditch.
2. reinforcement means according to claim 1, it is characterised in that step（1）In, during earth excavation, need to support
Body of wall above strip footing simultaneously carries out foundation ditch and puts slope, it is impossible to disturbance strip footing, after earth excavation, the bed course in foundation ditch i.e. digs
I.e. water.
3. reinforcement means according to claim 1, it is characterised in that step（5）In, lower floor's reinforcing bar of mat foundation reinforcing bar
And split heads to be arranged between top bars.
4. reinforcement means according to claim 1, it is characterised in that step（6）In, the feed opening distance of concrete is watered
When the concrete surface height built is more than 2 meters, string bucket or chute is used to pour.
5. reinforcement means according to claim 1, it is characterised in that step（6）In, the layering that pours of concrete is entered continuously
Going and vibrating, lift height is 1-1.5 times of vibrator effect partial-length, and lift height is less than 50 centimetres, vibrates
The moving interval of device is not more than 1.5 times of acting radial of vibrator, vibrate last layer concrete when should insert next layer concrete 5
Centimetre.
6. reinforcement means according to claim 1, it is characterised in that step（6）In, concrete can not continuous placing and
Interval little carries out treatment of construction joints constantly more than 2, within the pouring 12 hours after completing of concrete is covered concrete
Lid moisture-keeping maintaining.
7. a strip footing is replaced as the ruggedized construction of raft foundation, it is characterised in that described ruggedized construction includes along described
The length direction extension of strip footing and the width along described strip footing are separately positioned on the two of described strip footing
Two side bar frameworks of steel reinforcement of side, the width along described strip footing extend and along the length direction of described strip footing
Spacing distance is opened in described strip footing successively several holes, run through described hole and two ends extend respectively to position
Some outrigger frameworks of steel reinforcement in two described side bar frameworks of steel reinforcement of the both sides of described strip footing and two ends are respectively
Extend to some mat foundation reinforcing bars in two the described frameworks of steel reinforcement being positioned between two described strip footings, described hole
Hole and outrigger framework of steel reinforcement part casting concrete on its inside constitute the some outriggers running through described strip footing, institute
State framework of steel reinforcement, outrigger framework of steel reinforcement part on its inside and mat foundation reinforcing bar part on its inside and pour mixed
Solidifying soil constitutes side bar, and described strip footing, described outrigger and described side bar collectively form the beam of raft foundation, be arranged on two
Between described strip footing and the mat foundation reinforcing bar part casting concrete that is positioned between two described frameworks of steel reinforcement is constituted
The base plate of raft foundation.
8. ruggedized construction according to claim 7, it is characterised in that described side bar framework of steel reinforcement includes along described bar shaped base
The length direction of plinth extends and the stirrup of longitudinal reinforcement described in the longitudinal reinforcement of arrangement and colligation in perpendicular.
9. ruggedized construction according to claim 7, it is characterised in that some described strip footings join setting in length and breadth,
Some described side bar framework of steel reinforcement joins setting in length and breadth, is arranged between two described strip footings and is positioned at described in two
The crisscross setting of mat foundation reinforcing bar part between side bar framework of steel reinforcement.
10. ruggedized construction according to claim 7, it is characterised in that several described holes are along described strip footing
Length direction is spaced 0.5～1.5 meter of distance successively and arranges.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620059305 | 2016-01-21 | ||
| CN2016200593054 | 2016-01-21 |
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| CN106436732A true CN106436732A (en) | 2017-02-22 |
| CN106436732B CN106436732B (en) | 2019-03-12 |
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| CN201610232390.4A Active CN106436732B (en) | 2016-01-21 | 2016-04-14 | A kind of strip footing is replaced as the reinforcement means and ruggedized construction of raft foundation |
| CN201620313334.9U Active CN205576955U (en) | 2016-01-21 | 2016-04-14 | Raft foundation's reinforced structure is displaced into to strip footing |
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Cited By (5)
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| CN106988337A (en) * | 2017-04-20 | 2017-07-28 | 南京工业大学 | Reinforcing method for reducing uneven settlement of strip-shaped shallow foundation house |
| CN109308363A (en) * | 2017-07-28 | 2019-02-05 | 广联达科技股份有限公司 | Construction method, system and the computer installation of raft plate slope |
| CN111456061A (en) * | 2020-04-01 | 2020-07-28 | 中国建筑西南勘察设计研究院有限公司 | Existing raft foundation perforating and repairing construction method |
| CN112392060A (en) * | 2020-12-07 | 2021-02-23 | 中建三局集团有限公司 | Shallow excavation foundation reinforcing structure and reinforcing method |
| CN114922171A (en) * | 2022-04-28 | 2022-08-19 | 浙江宏日泰耐克新材料科技有限公司 | Foundation reinforcement structure of multi-storey masonry building and construction method |
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| CN106436732B (en) * | 2016-01-21 | 2019-03-12 | 苏州中固建筑科技股份有限公司 | A kind of strip footing is replaced as the reinforcement means and ruggedized construction of raft foundation |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106988337A (en) * | 2017-04-20 | 2017-07-28 | 南京工业大学 | Reinforcing method for reducing uneven settlement of strip-shaped shallow foundation house |
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| CN109308363B (en) * | 2017-07-28 | 2023-04-07 | 广联达科技股份有限公司 | Raft board slope-releasing construction method and system and computer device |
| CN111456061A (en) * | 2020-04-01 | 2020-07-28 | 中国建筑西南勘察设计研究院有限公司 | Existing raft foundation perforating and repairing construction method |
| CN112392060A (en) * | 2020-12-07 | 2021-02-23 | 中建三局集团有限公司 | Shallow excavation foundation reinforcing structure and reinforcing method |
| CN112392060B (en) * | 2020-12-07 | 2025-02-18 | 中建三局集团有限公司 | A shallow excavation foundation reinforcement structure and reinforcement method |
| CN114922171A (en) * | 2022-04-28 | 2022-08-19 | 浙江宏日泰耐克新材料科技有限公司 | Foundation reinforcement structure of multi-storey masonry building and construction method |
| CN114922171B (en) * | 2022-04-28 | 2023-12-29 | 浙江宏日泰耐克新材料科技有限公司 | Foundation reinforcing structure of multi-layer masonry building and construction method |
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| CN106436732B (en) | 2019-03-12 |
| CN205576955U (en) | 2016-09-14 |
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