CN210151795U - Novel high bearing platform single pile horizontal static load test device - Google Patents
Novel high bearing platform single pile horizontal static load test device Download PDFInfo
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- CN210151795U CN210151795U CN201920469782.1U CN201920469782U CN210151795U CN 210151795 U CN210151795 U CN 210151795U CN 201920469782 U CN201920469782 U CN 201920469782U CN 210151795 U CN210151795 U CN 210151795U
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Abstract
The utility model provides a novel high bearing platform single pile horizontal static load test device, the test pile of the test device is arranged in front of two counter-force piles, a pre-buried steel beam is erected between the two counter-force piles, the two ends of the pre-buried steel beam are respectively embedded into the two counter-force piles, and a concrete cushion block is arranged between the test pile and the two counter-force piles; the steel plate is placed above the concrete cushion block and the embedded steel beam, the counter-force steel beam and the counter-force pile baffle are clamped on two sides of the two counter-force piles and are fixedly connected with each other through the fixing rod and the fixing rod nut; the front end of the horizontal jack is fixed on the side part of the test pile through a spherical hinged support, and the rear end of the horizontal jack is provided with a horizontal load measuring instrument; the horizontal load measuring instrument is fixed on the side part of the counter-force steel beam; the horizontal displacement sensor is arranged right in front of the test pile. The utility model discloses can not only provide suitable device for high cushion cap single pile is experimental effectively, but also have the structure simple relatively, advantages such as the commonality is higher have important practical meaning and engineering using value simultaneously.
Description
[ technical field ] A method for producing a semiconductor device
The utility model particularly relates to a novel horizontal static load test of high cushion cap single pile device.
[ background of the invention ]
As an ancient foundation type, through thousands of years of development, the material of the pile foundation also comprises a low pile cap pile foundation, a high pile cap pile foundation and the like from the earliest wood pile foundation to the current common reinforced concrete pile foundation, a prestressed reinforced concrete pile foundation, an ultrahigh-performance concrete pile foundation, a steel pile foundation and the like, so that the material and the type of the pile are greatly developed, and the application of the pile foundation is the most extensive in the current practical engineering. The pile foundations are intended to bear not only the vertical loads transmitted by the superstructure, but also in many cases horizontal loads, such as the usual wind loads, seismic loads, crane braking loads, etc. This requires that the pile foundations should have horizontal load-bearing capacity as well as vertical load-bearing capacity. Therefore, when the pile foundation is subjected to the action of horizontal load, a single-pile horizontal static load test must be carried out according to relevant regulations of 'JGJ 106-2014 construction foundation pile detection technical Specification' in China. With the rapid development of civil engineering in China, high bearing platform pile foundations are widely applied to various practical projects, most of the previous test devices can only meet the requirements of common single-pile horizontal static load tests, and the requirements of the high bearing platform single-pile horizontal static load tests cannot be met. Therefore, the invention of the high bearing platform single-pile horizontal static load experimental device has important practical engineering significance.
[ Utility model ] content
The invention aims to provide a novel horizontal static load test device for a high-bearing-platform pile foundation, which is relatively simple in structure and high in universality, and facilitates development of a horizontal static load test of a single high-bearing-platform pile, so that test data is more accurate, and the safety of a building is ensured.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a novel horizontal static load test device for a single pile of a high bearing platform comprises a test pile, two counter-force piles, a pre-buried steel beam, a concrete cushion block, a steel plate, the counter-force steel beam, a counter-force pile baffle, a fixed rod nut, a horizontal load measuring instrument, a horizontal jack, a spherical hinged support and a horizontal displacement sensor, wherein the test pile is arranged in front of the two counter-force piles; the steel plate is placed above the concrete cushion block and the embedded steel beam, the reaction steel beam and the reaction pile baffle are arranged on the steel plate and clamped on two sides of the two reaction piles, the reaction steel beam and the reaction pile baffle are fixedly connected through a fixing rod and a fixing rod nut, and the reaction steel beam is positioned on one side, close to the test pile, of the two reaction piles; the front end of the horizontal jack is fixed on the side part of the test pile through a spherical hinged support, and the rear end of the horizontal jack is provided with a horizontal load measuring instrument; the horizontal load measuring instrument is fixed on the side part of the counter-force steel beam; the horizontal displacement sensor is arranged right in front of the test pile.
Furthermore, the embedded steel beams are made of Q345 steel and are formed by welding steel plates with the thickness of 30 mm.
Furthermore, the reaction steel beam and the reaction pile baffle are made of Q345 steel and are formed by welding steel plates with the thickness of 50mm, and the fixing rod is a threaded rod with the diameter of 30 mm.
The utility model has the advantages as follows:
the utility model discloses test device is applicable to the high cushion cap pile foundation, and experimental stake is not in same straight line with the counter-force stake and has the certain distance, and the structure is relative simple, and the commonality is more extensive, can the on-the-spot installation, and the level bearing capacity to high cushion cap single pile that can be accurate tests, has important practical meaning and using value.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a vertical view of the novel high bearing platform single pile horizontal static load test device.
Fig. 2 is the utility model discloses a novel horizontal static load test of high cushion cap single pile device.
[ detailed description ] embodiments
Referring to fig. 1-2, the present invention relates to a novel high bearing platform single pile horizontal static load test device, which is characterized in that: the test pile comprises a test pile 1, two counter-force piles 2, embedded steel beams 3, a concrete cushion block 4, a steel plate 5, counter-force steel beams 6, a counter-force pile baffle 7, a fixing rod 8, a fixing rod nut 9, a horizontal load measuring instrument 10, a horizontal jack 11, a spherical hinged support 12 and a horizontal displacement sensor 13, wherein the test pile 1 is arranged right ahead of the midpoint of a connecting line of the two counter-force piles 2, namely, right ahead of the midpoint of the embedded steel beams 3, the embedded steel beams 3 are erected between the two counter-force piles 2, two ends of each embedded steel beam 4 are respectively embedded into the two counter-force piles 2, the concrete cushion block 4 is arranged between the test pile 1 and the two counter-force piles 2, and the horizontal height of the concrete cushion block 4 is consistent with that of the embedded steel beams; the steel plate 5 is placed above the concrete cushion block 4 and the embedded steel beams 3, the reaction steel beams 6 and the reaction pile baffles 7 are arranged on the steel plate 5 and clamped on two sides of the two reaction piles 2, the reaction steel beams 6 and the reaction pile baffles 7 are fixedly connected through fixing rods 8 and fixing rod nuts 9, and the reaction steel beams 6 are located on one sides, close to the test piles 1, of the two reaction piles 2; the front end of the horizontal jack 11 is fixed on the side of the test pile 1 through a spherical hinged support 12, and the rear end of the horizontal jack is provided with a horizontal load measuring instrument 10; the horizontal load measuring instrument 10 is fixed on the side part of the reaction steel beam 6; the horizontal displacement sensor 13 is arranged right in front of the test pile 1.
The embedded steel beam 3 is made of Q345 steel and is formed by welding steel plates with the thickness of 30 mm.
The reaction steel beam 6 and the reaction pile baffle 7 are made of Q345 steel and are formed by welding steel plates with the thickness of 50mm, and the fixing rod 8 is a threaded rod with the diameter of 30 mm.
The utility model discloses mainly be to the test of the horizontal static load of high cushion cap pile foundation, this test device simple structure is convenient for establish at various experimental places, and it has very high security and stability moreover to guaranteed test data's accuracy, its concrete implementation process as follows:
after the test pile 1 is manufactured on a test site, the reaction pile 2 is manufactured at a proper distance, and an embedded steel beam 3 is pre-erected between the two reaction piles 2 in advance. After the counter-force pile 2 and the test pile 1 are manufactured, the position of test loading is determined according to the height of a bearing platform of the test pile 1, a concrete cushion block 4 is poured at a proper position between the test pile 1 and the counter-force pile 2, and the horizontal height of the concrete cushion block 4 is ensured to be consistent with that of the embedded steel beam 3, so that the level of a steel plate 5 is ensured. After the concrete cushion block 4 is manufactured, erecting a steel plate 5 above the concrete cushion block 4 and the embedded steel beam 3, and then placing a loading device and a counter-force device above the steel plate 5, namely placing a spherical hinged support 12 on the test pile 1, wherein the loading device adopts a horizontal jack 11, the loading load of the horizontal jack 11 is uniformly transmitted to the test pile 1 through the spherical hinged support 12, and the counter-force of the horizontal jack 11 is transmitted to the counter-force pile 2 through the counter-force steel beam 6. Reaction girder steel 6 passes through dead lever 8 and fixes on reaction pile 2 with reaction pile baffle 7 to guarantee the stability of structure. The size of the horizontal load is measured by a horizontal load tester 10, the horizontal load tester 10 is arranged between a horizontal jack 11 and a counterforce steel beam 6, and the horizontal displacement of the test pile 1 is measured by a horizontal displacement sensor 13 so as to ensure the accuracy of the experimental data.
It is to be understood that the specific embodiments described are merely illustrative of and not restrictive on the broad invention, and that modifications and variations such as would be obvious to those skilled in the art are intended to be included within the scope of the invention defined by the appended claims.
Claims (3)
1. The utility model provides a novel horizontal static test of high cushion cap single pile device which characterized in that: the test pile is arranged in front of the two counter-force piles, the embedded steel beam is erected between the two counter-force piles, two ends of the embedded steel beam are respectively embedded into the two counter-force piles, the concrete cushion block is arranged between the test pile and the two counter-force piles, and the horizontal height of the concrete cushion block is consistent with that of the embedded steel beam; the steel plate is placed above the concrete cushion block and the embedded steel beam, the reaction steel beam and the reaction pile baffle are arranged on the steel plate and clamped on two sides of the two reaction piles, the reaction steel beam and the reaction pile baffle are fixedly connected through a fixing rod and a fixing rod nut, and the reaction steel beam is positioned on one side, close to the test pile, of the two reaction piles; the front end of the horizontal jack is fixed on the side part of the test pile through a spherical hinged support, and the rear end of the horizontal jack is provided with a horizontal load measuring instrument; the horizontal load measuring instrument is fixed on the side part of the counter-force steel beam; the horizontal displacement sensor is arranged right in front of the test pile.
2. The novel high bearing platform single pile horizontal static load test device of claim 1, characterized in that: the embedded steel beam is made of Q345 steel and is formed by welding steel plates with the thickness of 30 mm.
3. The novel high bearing platform single pile horizontal static load test device of claim 1, characterized in that: the reaction steel beam and the reaction pile baffle are made of Q345 steel and are formed by welding steel plates with the thickness of 50mm, and the fixed rod is a threaded rod with the diameter of 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469782.1U CN210151795U (en) | 2019-04-09 | 2019-04-09 | Novel high bearing platform single pile horizontal static load test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469782.1U CN210151795U (en) | 2019-04-09 | 2019-04-09 | Novel high bearing platform single pile horizontal static load test device |
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| CN210151795U true CN210151795U (en) | 2020-03-17 |
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| CN201920469782.1U Active CN210151795U (en) | 2019-04-09 | 2019-04-09 | Novel high bearing platform single pile horizontal static load test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695816A (en) * | 2021-01-12 | 2021-04-23 | 四川冶金建筑工程质量检测有限公司 | Foundation pile horizontal load test detection method |
| CN114809121A (en) * | 2022-03-28 | 2022-07-29 | 台州市椒江建设工程质量检测中心有限公司 | Pile foundation horizontal load test device |
-
2019
- 2019-04-09 CN CN201920469782.1U patent/CN210151795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695816A (en) * | 2021-01-12 | 2021-04-23 | 四川冶金建筑工程质量检测有限公司 | Foundation pile horizontal load test detection method |
| CN114809121A (en) * | 2022-03-28 | 2022-07-29 | 台州市椒江建设工程质量检测中心有限公司 | Pile foundation horizontal load test device |
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