CN213329138U - Loading device and test equipment for foundation pile pulling-resistant static load test - Google Patents
Loading device and test equipment for foundation pile pulling-resistant static load test Download PDFInfo
- Publication number
- CN213329138U CN213329138U CN202021497384.XU CN202021497384U CN213329138U CN 213329138 U CN213329138 U CN 213329138U CN 202021497384 U CN202021497384 U CN 202021497384U CN 213329138 U CN213329138 U CN 213329138U
- Authority
- CN
- China
- Prior art keywords
- foundation pile
- test
- plucking
- resistance
- pulling
- 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.)
- Active
Links
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a foundation pile resistance to plucking loading device for static test, including at least a pair of jack, braced frame and resistance to plucking staple bolt, the interval sets up between a pair of jack, the jack with braced frame connects to be used for the jacking braced frame, resistance to plucking staple bolt be used for with test foundation pile releasable connection, just resistance to plucking staple bolt with braced frame connects, so that braced frame can the jacking resistance to plucking staple bolt. Utilize jack to exert ascending effort to braced frame, this effort passes through braced frame and resistance to plucking staple bolt and transmits to the test foundation pile to exert to the test foundation pile and draw the load, the buttress has been saved to this loading device, makes the structure can simplify, and the transportation degree of difficulty is low, does benefit to and reduces the cost of transportation, installs and removes the degree of difficulty and hangs down, makes experimental operation more convenient, does benefit to and reduces construction safety risk, and the test period is shorter, and the test cost is lower. The utility model also discloses a foundation pile resistance to plucking static test equipment.
Description
Technical Field
The utility model relates to a foundation pile resistance to plucking static test technical field especially relates to a foundation pile resistance to plucking loading device and test equipment for static test.
Background
With the national emphasis on new energy and green energy, the photovoltaic industry has been rapidly developed in recent years. The photovoltaic module is mainly formed by combining a foundation, an upper support and a photovoltaic panel (namely a solar panel), a foundation structure usually adopts a reinforced concrete photovoltaic pile, in the design of the photovoltaic module, the photovoltaic panel is considered to receive light energy to the maximum extent, the photovoltaic panel is protected, meanwhile, waste of land resources is avoided, the photovoltaic pile is usually driven into the ground by adopting a static pressure method, a hammering or vibration pile forming process and is exposed out of the ground by a certain height, and the photovoltaic panel is erected at the top of the photovoltaic pile.
In practice, the ground photovoltaic power station is mostly built on hillsides, deserts, wastelands, fields, beaches and marshlands, and the photovoltaic piles are used as important structures of the photovoltaic power station, so that the effect of bearing the dead weight of the support and the photovoltaic assembly and resisting all dynamic loads such as wind load, snow load, rainwater load, earthquake load and the like is achieved. Under the action of dynamic load, if the root of the photovoltaic pile is unstable, the photovoltaic support is likely to have the damage phenomena of pulling-up, displacement, uneven settlement, fracture and the like, the normal operation and the service life of the photovoltaic power station are seriously influenced, and a plurality of photovoltaic power station engineering accidents caused by strong wind have occurred in China. Therefore, in the construction of the photovoltaic power station, in both the design link and the construction link, it is very important to attach importance to the bearing force control and detection of the photovoltaic pile.
At present, the anti-pulling static load detection method for the photovoltaic pile has the following problems:
1. because the buttress is formed by stacking the cement blocks to form the platform for supporting the jack, a wider field is needed, the field requirement is high, and the universality is poor;
2. a large amount of cement blocks need to be transported, the requirement on transportation roads is high, the transportation cost is high, and the difficulty of the test can be greatly increased due to the fact that a ground photovoltaic power station is mostly built in the field and excessively heavy anti-pulling static load test equipment is used;
3. hoisting is carried out by using a crane, and the erection and the disassembly are troublesome and time-consuming, so that the construction period and the cost are not saved;
4. and the anti-pulling steel bars need to be embedded in the top of the test foundation pile, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a foundation pile resistance to plucking loading device for static test, this loading device is simple structure not only, convenient operation can compress test time limit for a project and test cost by a wide margin moreover.
The utility model discloses a second purpose provides a foundation pile resistance to plucking static test equipment, and this test equipment is simple structure not only, and convenient operation can compress test time limit for a project and test cost by a wide margin moreover.
The purpose of the utility model is realized by adopting the following technical scheme:
foundation pile resistance to plucking loading device for the static test for provide resistance to plucking experimental load for testing foundation pile, including at least a pair of jack, braced frame and resistance to plucking staple bolt, the interval sets up between a pair of jack, the jack with braced frame connects to be used for the jacking braced frame, the resistance to plucking staple bolt be used for with test foundation pile releasable connection, just the resistance to plucking staple bolt with braced frame connects, so that braced frame can the jacking resistance to plucking staple bolt.
Furthermore, the supporting frame is of an annular structure, and the supporting frame is annularly arranged on the periphery of the anti-pulling hoop.
Furthermore, a pair of jacks is symmetrically distributed on two opposite sides of the anti-pulling hoop.
Further, the center of the anti-pulling hoop is superposed with the center of the supporting frame; and/or the support frame is of a square annular structure.
Furthermore, the supporting frame comprises a pair of cross beams and a pair of longitudinal beams, the cross beams are arranged at intervals and in parallel, the top of the jack is abutted to the bottom of the cross beam, the longitudinal beams are arranged at intervals and in parallel, and the longitudinal beams are overlapped on the cross beams.
Furthermore, two opposite sides of the anti-pulling hoop are respectively connected with two opposite sides of the supporting frame.
Furthermore, the two opposite sides of the anti-pulling hoop extend outwards to form connecting parts respectively, and the connecting parts are connected with the supporting frame.
Further, the connecting part is superposed on the top of the longitudinal beam.
Further, the lifting jack also comprises at least one pair of supporting flat plates, wherein the supporting flat plates are used for being horizontally placed on the ground, and the lifting jack is vertically placed on the supporting flat plates.
Foundation pile resistance to plucking static test equipment includes foretell foundation pile resistance to plucking loading device and displacement monitoring devices for the static test, displacement monitoring devices is arranged in measuring the vertical displacement change of test foundation pile among the loading process.
Compared with the prior art, the beneficial effects of the utility model reside in that:
utilize jack to exert ascending effort to braced frame, this effort passes through braced frame and resistance to plucking staple bolt and transmits to the test foundation pile to exert to the test foundation pile and draw the load, the buttress has been saved to this loading device, makes the structure can simplify, and the transportation degree of difficulty is low, does benefit to and reduces the cost of transportation, installs and removes the degree of difficulty and hangs down, makes experimental operation more convenient, does benefit to and reduces construction safety risk, and the test period is shorter, and the test cost is lower.
Drawings
FIG. 1 is a front view of the loading device for a foundation pile uplift static load test of the present invention;
FIG. 2 is a top view of the loading device for a pull-out resistance static load test of the foundation pile shown in FIG. 1;
fig. 3 is a schematic structural view of the anti-pulling hoop shown in fig. 1.
In the figure: 1. a jack; 2. a support frame; 21. a cross beam; 22. a stringer; 3. anti-pulling anchor ears; 4. a connecting portion; 5. supporting the flat plate; 6. testing the foundation pile; 7. and (4) the ground.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The utility model relates to a foundation pile resistance to plucking static test equipment (not shown in the figure), mainly used carry out resistance to plucking test to the foundation pile (being the photovoltaic pile) among the photovoltaic module, can understand that the photovoltaic pile is the special foundation pile that exposes ground 7 of supporting the photovoltaic board among the photovoltaic module, and it has about pile bolck elevation 1-2 meters, and the bearing capacity is not high and the characteristics of stake interval about 4-5 meters. Of course, the foundation pile anti-pulling static load test equipment can also be used for anti-pulling tests on other types of foundation piles.
This foundation pile resistance to plucking static test equipment specifically includes that foundation pile resistance to plucking loading device and displacement monitoring devices for the static test, loading device are used for exerting ascending load to test foundation pile 6 to drawing test foundation pile 6, simultaneously, utilize displacement monitoring devices to note the vertical displacement volume of test foundation pile 6 under every level of load, the relative standard of foundation pile bearing capacity detection can be referred to resistance to plucking experimental flow, no longer gives unnecessary details here.
Referring to fig. 1-2, showing a foundation pile resistance to plucking loading device for static load test of the preferred embodiment of the present invention, it mainly used provides experimental load for test foundation pile 6 among the photovoltaic module, specifically include at least a pair of jack 1, braced frame 2 and resistance to plucking staple bolt 3, the interval sets up between a pair of jack 1, jack 1 and braced frame 2 are connected to and be used for jacking braced frame 2, the aperture of resistance to plucking staple bolt 3 and the external diameter adaptation of test foundation pile 6, this resistance to plucking staple bolt 3 parcel is disposed in test foundation pile 6 and be used for with 6 releasable connection of test foundation pile, and resistance to plucking staple bolt 3 is connected with braced frame 2, so that braced frame 2 can jacking resistance to plucking staple bolt 3.
Utilize jack 1 to exert ascending effort to braced frame 2, this effort passes through braced frame 2 and resistance to plucking staple bolt 3 and transmits to test foundation pile 6 to exert the load of drawing to test foundation pile 6, the buttress has been saved to this loading device, make the structure simplify, the transportation degree of difficulty is low, do benefit to and reduce the cost of transportation, it is low to install and remove the degree of difficulty, it is more convenient to make experimental operation, do benefit to and reduce construction safety risk, the test period is shorter, the test cost is lower. In addition, because jack 1 passes through braced frame 2 and resistance to plucking staple bolt 3 and transmits the effort to test foundation pile 6 indirectly, in the transmission of effort, the effort can be balanced by braced frame 2 to make the effort apply to test foundation pile 6 more evenly, can improve resistance to plucking experimental precision.
In this embodiment, braced frame 2 is the loop configuration, and the periphery of resistance to plucking staple bolt 3 is located to this braced frame 2 ring to make overall structure compacter, avoid taking too much place, thereby reduce operation requirement, simultaneously, also can make jack 1's effort apply to test foundation pile 6 more evenly, further improve resistance to plucking experimental precision.
More specifically, the supporting frame 2 is preferably a square ring structure, but of course, in other embodiments, the supporting frame 2 may be a circular ring structure.
In this embodiment, the pair of jacks 1 are symmetrically distributed on two opposite sides of the anti-pulling anchor ear 3, so that the acting force of the jacks 1 is more uniformly applied to the test foundation pile 6, and the anti-pulling test precision is further improved.
In the present embodiment, the center of the anti-pulling anchor ear 3 coincides with the center of the supporting frame 2, so that the acting force of the jack 1 is more uniformly applied to the test foundation pile 6, and the anti-pulling test precision is further improved.
In this embodiment, braced frame 2 includes a pair of crossbeam 21 and a pair of longeron 22, interval and parallel arrangement between a pair of crossbeam 21, jack 1's top offsets with the bottom of crossbeam 21, interval and parallel arrangement between a pair of longeron 22, longeron 22 superposes on a pair of crossbeam 21, also be braced frame 2 for the structure that is formed by the dismantled and assembled amalgamation of a pair of crossbeam 21 and a pair of longeron 22, dismantled and assembled braced frame 2 more conveniently transports, and simultaneously, but greatly reduced loading device's the difficulty of buildding and dismantling, make its operation simpler, more do benefit to and reduce construction safety risk, the test period is shorter, and the test cost is lower. During the use, jack 1 jacking crossbeam 21, crossbeam 21 jacking longeron 22 after that, longeron 22 jacking resistance to plucking staple bolt 3 after that to transmit jack 1's effort to test foundation pile 6 step by step, structural design is comparatively ingenious. Of course, in other embodiments, the support frame 2 may be a unitary structure.
More specifically, the cross beam 21 and the side beam 22 are steel beams having high mechanical strength and are not easily deformed, so that the test is not affected by deformation.
In this embodiment, the opposite sides of the anti-pulling anchor ear 3 are respectively connected with the opposite sides of the supporting frame 2, so that the acting force applied to the test foundation pile 6 by the jack 1 is more uniform, and the anti-pulling test precision is further improved.
As shown in fig. 3, more specifically, the opposite sides of the anti-pulling anchor ear 3 extend outwards to form the connecting portions 4 respectively, the connecting portions 4 are connected with the supporting frame 2, in the embodiment, the connecting portions 4 are preferably overlapped on the top of the longitudinal beam 22, that is, the connecting portions 4 and the longitudinal beam 22 are detachably connected, the assembly and disassembly are more convenient, and during the use, the connecting portions 4 are jacked by the longitudinal beam 22 to jack the anti-pulling anchor ear 3, so that the acting force is applied to the testing foundation pile 6, the structural design is ingenious, and meanwhile, the acting force of the jack 1 can be more uniformly applied to the testing foundation pile 6.
As shown in fig. 3, the anti-pulling anchor ear 3 includes two semicircular ring structures made of steel and a high-strength bolt, when in use, the two semicircular ring structures are wrapped on the test foundation pile 6, and the two semicircular ring structures are locked by the high-strength bolt, so that the anti-pulling anchor ear 3 is tightly fixed on the test foundation pile 6.
In this embodiment, the loading device for the foundation pile pulling-resistant static load test further comprises at least one pair of supporting flat plates 5, the supporting flat plates 5 are horizontally placed on the ground 7 which is about one meter away from the center of the test foundation pile 6, and are mainly used for leveling the site and creating a working condition for the pulling-resistant static load test, and the jack 1 is vertically placed on the supporting flat plates 5. More specifically, the support plate 5 is preferably made of a steel plate having high mechanical strength and being hardly deformed so as not to affect the test due to deformation.
On the basis of the structure, the loading device for the foundation pile uplift static load test can be used for applying uplift load to the test foundation pile 6 only by configuring the pair of jacks 1, the supporting frame 2 and the uplift hoop 3, is simple in structure and greatly reduced in cost, can ensure that the stress of the test foundation pile 6 is uniform, and can improve the uplift test precision.
Of course, in other embodiments, the number of the jacks 1 may be three or more, and the application of uniform acting force to the test foundation pile 6 may be realized by reasonably arranging the positions of the jacks 1. In other embodiments, two supporting frames 2 are respectively arranged on two opposite sides of the anti-pulling hoop 3, and each supporting frame 2 is provided with a corresponding jack 1, so that the test load can be applied to the test foundation pile 6.
The utility model discloses a foundation pile resistance to plucking static test equipment's theory of operation as follows:
the loading principle is for giving jack 1 oil feed through the hydraulic pump, jack 1 jacking braced frame 2, and jacking force passes through braced frame 2 and resistance to plucking staple bolt 3 and transmits to test foundation pile 6, can apply the effort to test foundation pile 6 through accurate oil pressure gauge on the hydraulic pump by accurate control jack 1. The displacement monitoring of the test foundation pile 6 is measured by a laser displacement meter arranged on the positioning rod, the laser displacement meter emits laser rays, the laser rays are reflected by angle irons stuck on the test foundation pile 6 to receive the rays again, the displacement change of the test foundation pile 6 under the action of loads at all levels is accurately calculated by utilizing the light speed principle, or the displacement monitoring is realized by utilizing a large-range dial indicator (the cost is lower), a foundation pile load-upward pulling amount curve can be made by combining with a foundation pile test related standard flow, and the pulling resistance bearing capacity of the foundation pile is detected.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. Pile resistance to plucking is loading device for static test for provide resistance to plucking experimental load for testing the pile foundation, its characterized in that, including at least a pair of jack, braced frame and resistance to plucking staple bolt, the interval sets up between a pair of jack, the jack with braced frame connects to be used for the jacking braced frame, the resistance to plucking staple bolt be used for with test pile releasable connection, just the resistance to plucking staple bolt with braced frame connects, so that braced frame can the jacking resistance to plucking staple bolt.
2. The foundation pile pulling-resistant static load test loading device as defined in claim 1, wherein the supporting frame is of an annular structure, and the supporting frame is annularly arranged on the periphery of the pulling-resistant hoop.
3. The foundation pile anti-pulling static load test loading device as claimed in claim 2, wherein a pair of jacks are symmetrically distributed on two opposite sides of the anti-pulling anchor ear.
4. The foundation pile pulling-resistant static load test loading device as claimed in claim 2, wherein the center of the pulling-resistant hoop coincides with the center of the supporting frame; and/or the support frame is of a square annular structure.
5. The foundation pile pulling-resistant static load test loading device as claimed in claim 2, wherein the supporting frame comprises a pair of cross beams and a pair of longitudinal beams, the pair of cross beams are arranged in a spaced and parallel manner, the top of the jack is abutted against the bottom of the cross beam, the pair of longitudinal beams are arranged in a spaced and parallel manner, and the longitudinal beams are overlapped on the pair of cross beams.
6. The foundation pile pulling-resistant static load test loading device as recited in claim 5, wherein opposite sides of the pulling-resistant hoops are respectively connected with opposite sides of the supporting frame.
7. The foundation pile pulling-resistant static load test loading device as recited in claim 6, wherein opposite sides of the pulling-resistant hoop extend outwards to form connecting portions, and the connecting portions are connected with the supporting frame.
8. The foundation pile pulling-resistant static load test loading device as recited in claim 7, wherein the connecting portion is superposed on a top portion of the longitudinal beam.
9. The loading device for a foundation pile pulling-resistant static load test as recited in claim 1, further comprising at least one pair of support plates for horizontally placing on the ground, said jacks being vertically placed on said support plates.
10. The foundation pile pulling-resistant static test equipment is characterized by comprising the loading device for the foundation pile pulling-resistant static test and a displacement monitoring device according to any one of claims 1 to 9, wherein the displacement monitoring device is used for measuring the vertical displacement change of a test foundation pile in the loading process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021497384.XU CN213329138U (en) | 2020-07-24 | 2020-07-24 | Loading device and test equipment for foundation pile pulling-resistant static load test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021497384.XU CN213329138U (en) | 2020-07-24 | 2020-07-24 | Loading device and test equipment for foundation pile pulling-resistant static load test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213329138U true CN213329138U (en) | 2021-06-01 |
Family
ID=76090635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021497384.XU Active CN213329138U (en) | 2020-07-24 | 2020-07-24 | Loading device and test equipment for foundation pile pulling-resistant static load test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213329138U (en) |
-
2020
- 2020-07-24 CN CN202021497384.XU patent/CN213329138U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109505317B (en) | Compression resistance, resistance to plucking and horizontal static load test equipment of high stake | |
| CN102493674B (en) | Jacking system for buildings | |
| CN104328810B (en) | Prefabricated tubular pile single pile foundation bearing capacity detection improvement method | |
| CN102505636A (en) | Construction method of No.0 block of continuous rigid frame bridge of double-thin-wall pier | |
| CN111535374B (en) | Pile foundation torsion resistance, tension torsion resistance and compression torsion resistance detection system and method | |
| CN111650047A (en) | Large-tonnage soil load test vertical counter-force loading device and loading method thereof | |
| CN110820950B (en) | Integral synchronous jacking construction method for large-span combined type overweight eccentric slope angle steel structure | |
| CN110700332A (en) | Existing building reinforcing pile foundation static load test counterforce device and test method thereof | |
| CN111058539A (en) | Building jacking underpinning device and method | |
| CN110965558A (en) | Large-span long and narrow foundation pit supporting method and supporting structure | |
| CN212670670U (en) | Loading device and test equipment for foundation pile compression-resistant static load test | |
| CN211690792U (en) | Building jacking underpins device | |
| CN213329138U (en) | Loading device and test equipment for foundation pile pulling-resistant static load test | |
| CN219241819U (en) | Punching device for rectangular anti-slide piles | |
| CN212104105U (en) | Deep foundation pit prestress support replacing and supporting system | |
| CN210483094U (en) | Inverted triangular pipe truss lifting device | |
| CN111809654A (en) | Assembled tower crane foundation structure | |
| CN110318344B (en) | Novel steel box girder No. 0 block support and No. 0 block erection construction method | |
| CN111894049A (en) | Loading device and test equipment for foundation pile compression-resistant static load test | |
| CN215330069U (en) | Tubular pile compression test device | |
| CN212336080U (en) | Assembled tower crane foundation structure | |
| CN114197544A (en) | Counterforce device and counterforce applying method for single-pile vertical static load test | |
| CN208152111U (en) | A kind of high exposed photovoltaic power generation pile detection device | |
| CN105544624B (en) | A kind of test for static load device of asymmetric counterweight | |
| CN215406210U (en) | Static load experiment platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |