CN201386291Y - Static load test device of composite foundation - Google Patents
Static load test device of composite foundation Download PDFInfo
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- CN201386291Y CN201386291Y CN200920113678U CN200920113678U CN201386291Y CN 201386291 Y CN201386291 Y CN 201386291Y CN 200920113678 U CN200920113678 U CN 200920113678U CN 200920113678 U CN200920113678 U CN 200920113678U CN 201386291 Y CN201386291 Y CN 201386291Y
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- 230000003068 static effect Effects 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 230000005484 gravity Effects 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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Abstract
The utility model discloses a static load test device of composite foundation, comprising a bearing device and a static load device, wherein the static load device comprises piled heavy materials, a counter-force secondary beam, a counter-force main beam, lifting jacks and a supporting block, wherein the supporting block supports around a gravity platform which is formed by the counter-force secondary beam; the lifting jacks are arranged between the bearing device and the static load device; at least two lifting jacks support the bottom of the counter-force main beam; the counter-force main beam supports the counter-force secondary beam; and the piled heavy materials are piled on the gravity platform which is formed by the counter-force secondary beam. By adopting the simplest structure and operation method, the static load test device of the composite foundation can complete the static load test of the composite foundation, thereby being easily popularized and having reliable capability.
Description
Technical field
The utility model relates to a kind of composite foundation static load test device.
Background technology
The test method that approaches actual operating conditions is adopted in static load test, determines the vertical compression bearing capacity, is directly perceived, the most reliable test method of detection vertical compression bearing capacity of generally acknowledging at present.Present single-pile static load experimental technique is comparative maturity, but for the composite foundation static load test, engineering circle has formed certain achievement through a large amount of tests.But, now be in the exploratory stage for the composite foundation static load test.Consider to owe to make in week the static load test failure and happen occasionally owing to the static load test device, be necessary to propose a kind of static load test device and guarantee that the composite foundation static load test carries out smoothly.
Summary of the invention
The technical problem that the utility model solves provides a kind of higher and composite foundation static load test device of being convenient to operate simple in structure of rate that tests successfully.
For this reason, the composite foundation static load test device that the utility model provides comprises pressure-bearing device and dead load device, wherein the dead load device comprises heap weight, counter-force secondary beam, counter-force girder, jack, support pier, wherein support pier is supported on around the gravity platform of counter-force secondary beam formation, jack is arranged between pressure-bearing device and the dead load device, at least two jack are in reaction of bearing girder bottom, and counter-force girder upper support counter-force secondary beam, the heap weight is deposited on the gravity platform of counter-force secondary beam formation.
Because the composite foundation static load test device that provides of the utility model has adopted the simplest structure, and use the most easy mode of operation just can finish the composite foundation static load test, so this device had not only been promoted but also dependable performance easily.
Description of drawings
The structural representation of the static load test device that Fig. 1 the utility model provides.
Fig. 2 is the structural plan schematic diagram of the pressure-bearing device among Fig. 1.
In each accompanying drawing: 1, pressure-bearing secondary beam, 2, the pressure-bearing girder, 3, bearing plate, 4, the heap weight, 5, the counter-force secondary beam, 6, the counter-force girder, 7, jack, 8, support pier.
The specific embodiment
As Fig. 1, shown in Figure 2, the composite foundation static load test device that the utility model provides comprises pressure-bearing device and dead load device, wherein the dead load device comprises heap weight 4, counter-force secondary beam 5, counter-force girder 6, jack 7, support pier 8, wherein four support piers 8 are supported on around the gravity platform of counter-force secondary beam 5 formations, many counter-force secondary beams 5 can be erected on the counter-force girder 6 in an embodiment, support pier 8 supports the two ends of every counter-force secondary beam 5, jack 7 is arranged between pressure-bearing device and the dead load device, at least two jack 7 are in reaction of bearing girder 5 bottoms, two very heavy jackings 7 are bearing in respectively on the counter-force girder 6, and be in respectively apart from counter-force girder length place, the counter-force girder 6 type hearts, 1/6 place, and counter-force girder 6 upper support counter-force secondary beams 6, heap weight 4 is deposited on the gravity platform of counter-force secondary beam 5 formations, and the weight of heap weight 4 is not more than 1.2 times of jack 7 maximum load amounts.Pressure-bearing device comprises pressure-bearing secondary beam 1 and pressure-bearing girder 2 in the present embodiment, the cancelled structure that pressure-bearing girder 2 in the pressure-bearing device and pressure-bearing secondary beam 1 adopt as shown in Figure 2.
Counter-force girder 6 and counter-force secondary beam 5 are according to the situation setting of heap weight, and counter-force girder 6 adopts 0.8m～1m height, and counter-force secondary beam 5 adopts 0.3m～0.4m height.
In order to satisfy intensity and deformation requirements, jack 7 bottoms must be provided with the pressure-bearing girder, and pressure-bearing girder parameter is determined according to strength and deformation result of calculation, and is specific as follows:
1) jack is made the force mode that is subjected to of time spent
Bending rigidity
P is the active force of jack; L is a bearing plate length; W is a bearing plate girder net section modulus, and f is a steel flexural strength design load.
Shear stiffness
S is the area moment of the above gross cross-sectional in bearing plate girder shear stress place to natural axis; I is a bearing plate girder gross cross-sectional moment of inertia, t
wBe bearing plate girder web thickness, f
vBe steel shear strength design load.
Resistance to deformation rigidity
E is the steel modulus of elasticity; I
xBe the moment of inertia of bearing plate girder to strong axle.
2) stake counter-force in bottom is made the force mode that is subjected to of time spent
This is subjected to force mode relevant with composite foundation king-pile position, and bearing plate 3 thickness determine according to foundation soil counter-force situation, and pressure-bearing girder 2 and pressure-bearing secondary beam 1 height pressure-bearing device strength and deformation result of calculation when reaching limiting value is determined.
The pressure-bearing device parameter adopts aforementioned calculation parameter maximum value.
Claims (5)
1, a kind of composite foundation static load test device, it is characterized in that: comprise pressure-bearing device and dead load device, wherein the dead load device comprises heap weight (4), counter-force secondary beam (5), counter-force girder (6), jack (7), support pier (8), wherein support pier (8) is supported on around the gravity platform of counter-force secondary beam (5) formation, jack (7) is arranged between pressure-bearing device and the dead load device, at least two jack (7) are in reaction of bearing girder (5) bottom, and counter-force girder (6) upper support counter-force secondary beam (6), heap weight (4) is deposited on the gravity platform of counter-force secondary beam (5) formation.
2, composite foundation static load test device according to claim 1 is characterized in that: pressure-bearing device comprises pressure-bearing secondary beam (1) and pressure-bearing girder (2), and pressure-bearing girder (2) in the pressure-bearing device and pressure-bearing secondary beam (1) adopt cancelled structure.
3, composite foundation static load test device according to claim 1 and 2, it is characterized in that: two very heavy jackings (7) are bearing in respectively on the counter-force girder (6), and are in respectively apart from counter-force girder (6) the type heart 1/6 counter-force girder length place.
4, composite foundation static load test device according to claim 1 and 2 is characterized in that: the weight of heap weight (4) is not more than 1.2 times of jack (7) maximum load amounts.
5, composite foundation static load test device according to claim 3 is characterized in that: the weight of heap weight (4) is not more than 1.2 times of jack (7) maximum load amounts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920113678U CN201386291Y (en) | 2009-02-10 | 2009-02-10 | Static load test device of composite foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920113678U CN201386291Y (en) | 2009-02-10 | 2009-02-10 | Static load test device of composite foundation |
Publications (1)
| Publication Number | Publication Date |
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| CN201386291Y true CN201386291Y (en) | 2010-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920113678U Expired - Fee Related CN201386291Y (en) | 2009-02-10 | 2009-02-10 | Static load test device of composite foundation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032720A (en) * | 2014-05-06 | 2014-09-10 | 贵州中建建筑科研设计院有限公司 | Testing method and device suitable for deep bearing stratum bearing capacity |
| CN104074208A (en) * | 2014-06-30 | 2014-10-01 | 徐州市建科技术有限公司 | Special clutching type bearing box for static load test of composite foundation |
| CN105275027A (en) * | 2015-11-16 | 2016-01-27 | 大连海事大学 | Water bag static load test device |
| CN106545038A (en) * | 2016-11-25 | 2017-03-29 | 太原理工大学 | A kind of static load test device |
| CN109083210A (en) * | 2018-10-10 | 2018-12-25 | 江苏科技大学 | It is a kind of for detecting the device of compound base bearing capacity |
| CN109944223A (en) * | 2019-04-25 | 2019-06-28 | 中建四局第一建筑工程有限公司 | A kind of rock-soil reverse static pressure test device and test method in karst karst area |
| CN110004998A (en) * | 2019-05-14 | 2019-07-12 | 中国五冶集团有限公司 | A cast-in-place pile test device and its test method |
| CN112146969A (en) * | 2020-09-22 | 2020-12-29 | 中国能源建设集团江苏省电力设计院有限公司 | Large in-situ load integrated testing device for underwater composite foundation and implementation method |
-
2009
- 2009-02-10 CN CN200920113678U patent/CN201386291Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032720A (en) * | 2014-05-06 | 2014-09-10 | 贵州中建建筑科研设计院有限公司 | Testing method and device suitable for deep bearing stratum bearing capacity |
| CN104032720B (en) * | 2014-05-06 | 2016-08-17 | 贵州中建建筑科研设计院有限公司 | It is applicable to test method and the device of deep supporting course bearing capacity |
| CN104074208A (en) * | 2014-06-30 | 2014-10-01 | 徐州市建科技术有限公司 | Special clutching type bearing box for static load test of composite foundation |
| CN104074208B (en) * | 2014-06-30 | 2015-11-11 | 徐州市建科技术有限公司 | The special disengaging type high-pressure tank of a kind of composite foundation static load test |
| CN105275027A (en) * | 2015-11-16 | 2016-01-27 | 大连海事大学 | Water bag static load test device |
| CN106545038A (en) * | 2016-11-25 | 2017-03-29 | 太原理工大学 | A kind of static load test device |
| CN109083210A (en) * | 2018-10-10 | 2018-12-25 | 江苏科技大学 | It is a kind of for detecting the device of compound base bearing capacity |
| CN109944223A (en) * | 2019-04-25 | 2019-06-28 | 中建四局第一建筑工程有限公司 | A kind of rock-soil reverse static pressure test device and test method in karst karst area |
| CN110004998A (en) * | 2019-05-14 | 2019-07-12 | 中国五冶集团有限公司 | A cast-in-place pile test device and its test method |
| CN112146969A (en) * | 2020-09-22 | 2020-12-29 | 中国能源建设集团江苏省电力设计院有限公司 | Large in-situ load integrated testing device for underwater composite foundation and implementation method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: YE ZHANGQING Effective date: 20110829 Free format text: FORMER OWNER: ZHU KUI |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110829 Address after: 325000 Fairview Road, Fairview Midtown tower, Wenzhou, 6F-7F Patentee after: Wenzhou Zhongcheng Building Group Co., Ltd. Address before: Ouhai District of Zhejiang city in Wenzhou province 325000 Rong Road No. 39 Co-patentee before: Zhu Kui Patentee before: Ye Changqing |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20130210 |