CN218813926U - Large-tonnage anchor pile method static load test device - Google Patents
Large-tonnage anchor pile method static load test device Download PDFInfo
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- CN218813926U CN218813926U CN202223175129.5U CN202223175129U CN218813926U CN 218813926 U CN218813926 U CN 218813926U CN 202223175129 U CN202223175129 U CN 202223175129U CN 218813926 U CN218813926 U CN 218813926U
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Abstract
The utility model belongs to the technical field of anchor pile method foundation pile static load test detection equipment, specifically discloses a large-tonnage anchor pile method static load test device, which comprises a central column, wherein a plurality of steel beams are arranged around the central column, one ends of the steel beams are connected with the central column, the other ends of the steel beams are connected with the anchor pile by anchoring reinforcing steel bars, a jack is arranged at the bottom of the central column, the bottom of the jack is positioned on the test pile, and the telescopic end of the jack is contacted with the bottom of the central column; its girder steel adopts variable cross section I-shaped girder steel, under the prerequisite of guaranteeing experimental loading capacity, has alleviateed the dead weight of counter-force roof beam (girder steel), has reduced self cost and the transportation degree of difficulty, need not to set up two-layer counter-force roof beam simultaneously, has reduced and has built the degree of difficulty.
Description
Technical Field
The utility model belongs to the technical field of anchor pile method foundation pile static test check out test set, concretely relates to large-tonnage anchor pile method static test device.
Background
At present, an anchor pile method is basically adopted in a foundation pile vertical compression static load test, when the anchor pile method is adopted, the weight of a counterforce beam (cross beam) adopted in the test is large, so that the transportation is difficult, and the counterforce beam is generally installed in two layers during the test, so that the installation difficulty is large; meanwhile, the construction of the reaction beam generally adopts a cross shape or a straight shape, and is influenced by the position of the anchor pile, sometimes, a plurality of existing anchor piles and test piles are not in the same straight line, so that a compression-resistant static load test cannot be completed, the position of the anchor pile needs to be adjusted, and the investment of test cost and the operation difficulty of field detection personnel are directly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a large-tonnage anchor pile method static test device to solve the big scheduling problem that the preparation cost that causes of crossbeam weight is high, the transportation difficulty and the experimental operation degree of difficulty that causes because of the influence of anchor pile position is big.
In order to satisfy the above-mentioned purpose, the utility model discloses the technical scheme who takes does:
the large-tonnage anchor pile method static load test device comprises a central column, wherein a plurality of steel beams are arranged on the periphery of the central column, one ends of the steel beams are connected with the central column, the other ends of the steel beams are connected with an anchor pile through anchoring reinforcing steel bars, a jack is arranged at the bottom of the central column, the bottom of the jack is located on a test pile, and the telescopic end of the jack is in contact with the bottom of the central column.
Preferably, the central column comprises a groove base and a steel column, the groove base is located at the bottom of the steel column, a clamping groove is formed at the contact position of the groove base and the steel column, the lower protruding part of one end of the steel beam is connected with the groove base through the clamping groove, and the upper protruding part of one end of the steel beam is fastened on the steel column through a circular steel clamping ring.
Preferably, the top of the central column is provided with a connecting piece, the steel beam is provided with a plurality of connecting rings on the surface, and a steel wire rope is arranged between the connecting piece and the connecting rings.
Preferably, a reinforcing steel plate is welded on the upper surface of the steel beam close to the central column.
Preferably, a steel base plate is arranged between the jack and the test pile.
Preferably, the steel beam is a variable cross-section steel beam.
The utility model has the advantages that:
(1) The utility model discloses a girder steel adopts variable cross section I-shaped steel roof beam, under the prerequisite of guaranteeing experimental loading, has alleviateed the dead weight of counter-force roof beam (girder steel), has reduced self cost and the transportation degree of difficulty, need not to set up two-layer counter-force roof beam simultaneously, has reduced and has built the degree of difficulty.
(2) The counter-force beam can be built and installed around the central steel column according to the position of the existing anchor pile, so that the phenomenon that the counter-force beam is difficult to build when a plurality of anchor pile positions and the test pile are not on the same straight line is avoided, and the test cost and the installation difficulty are reduced; the problem that steel beams meeting the size need to be specially manufactured when the distance between test piles and anchor piles is large is solved, time and labor are saved, and the test cost is effectively controlled.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the steel beam structure of the present invention;
in the figure: 1. testing piles; 2. a steel backing plate; 3. a jack; 4. a card slot; 5. a steel beam; 6. reinforcing a steel plate; 7. a circular steel snap ring; 8. a central column; 801. a groove base; 802. a steel column; 9. a wire rope; 10. anchoring the reinforcing steel bars; 11. an anchorage device; 12. anchoring piles; 13. a connecting member; 14. and (7) connecting rings.
Detailed Description
The invention will be further described with reference to the accompanying drawings and working principles:
1-3, a large-tonnage anchor pile method static load test device, including center post 8, center post 8 includes groove base 801 and steel column 802, groove base 801 is located the bottom of steel column 802, groove base 801 forms draw-in groove 4 with steel column 802 contact department, the lower part salient of one end of girder steel 5 is connected with groove base 801 through draw-in groove 4, the upper part salient of one end of girder steel 5 fastens on steel column 802 through circular steel snap ring 7, make one end of girder steel 5 be connected with center post 8 through draw-in groove 4 and circular steel snap ring 7, girder steel 5 can be installed around the center steel column on test pile 1 according to the anchor pile position, avoided several anchor pile positions and test pile 1 not being difficult to set up the emergence of reaction beam phenomenon on a straight line, can be according to the position random adjustment installation girder steel 5's direction of anchor pile, the other end of girder steel 5 utilizes ground tackle 11 to be connected with anchor pile 12 through anchor reinforcing bar 10, center post 8's bottom is equipped with jack 3, jack 3's 3 bottom is located on test pile 1, the flexible end contacts with center post 8 bottom, and then provides the static load test pile for vertical resistance detection. The top of the central column 8 is provided with a connecting piece 13, the steel beam 5 is provided with a plurality of connecting rings 14, and a steel wire rope 9 is arranged between the connecting piece 13 and the connecting rings 14 to enhance the capability of the variable-section steel beam for providing counter force. The steel beam 5 upper surface is close to the welding of girder steel 5 department and has strengthened steel sheet 6, and its purpose is for preventing that the variable cross section girder steel upper flange is close to steel column 802 one end and the stress concentration appears. Be equipped with steel backing plate 2 between jack 3 and test pile 1, its purpose is when test pile 1 upper surface unevenness, avoids jack 3 bottom unstable, causes the influence to the experiment. The steel beam 5 is a variable cross-section steel beam, and the purpose of the special variable cross-section steel beam is to reduce the weight of the counter-force beam, reduce the difficulty of constructing the counter-force beam, and reduce the difficulty of transportation.
When the device is used, firstly, a steel base plate 2 is placed on the top of a test pile 1, a jack 3 is placed on the steel base plate 2, a groove base 801 of a central column 8 is placed on the jack 3, the lower protruding parts of a plurality of variable cross-section steel beams are clamped into clamping grooves 4 of the circular groove base 801 according to the positions of existing anchor piles around the test pile 1, two circular steel clamping rings 7 are used for being reliably connected with the upper flange of the steel beam 5, the variable cross-section steel beams are connected through high-strength bolts, in order to prevent the stress concentration of the upper flange of the variable cross-section steel beam 5 close to one end of a central steel column 9, reinforcing steel plates 6 are arranged in a welding mode, the variable cross-section steel beam 5 can be installed around the central steel column according to the positions of the anchor piles, and the phenomenon that the counter-force beams are difficult to build when the positions of the anchor piles and the test pile 1 are not on the same straight line is avoided. One end of the steel wire rope 9 is connected to a connecting piece 13 at the upper end of the steel column 802 of the central column 8, and the other end of the steel wire rope is connected to a connecting ring 14 on the upper flange of the steel beam, so that the capacity of providing counter force by the steel beam with the variable cross section is enhanced. Utilize ground tackle 11 and anchor reinforcing bar 10 to be connected the other end and the anchor pile 12 of variable cross section girder steel 5, after the installation, through the end that stretches out that raises jack 3, for the static test provides the counter-force, and then detect the vertical resistance to compression bearing capacity of 1 single pile of experimental stake, the device can effectively solve the foundation pile static test installation degree of difficulty big, harsh and the great problem of experimental anchor pile interval to the experimental anchor pile position requirement.
Claims (6)
1. The utility model provides a large-tonnage anchor pile method static test device, includes the center post, its characterized in that: the test pile is characterized in that a plurality of steel beams (5) are arranged on the periphery of the central column (8), one ends of the steel beams (5) are connected with the central column (8), the other ends of the steel beams are connected with anchor piles (12) through anchor steel bars (10), a jack (3) is arranged at the bottom of the central column (8), the bottom of the jack (3) is located on the test pile (1), and the telescopic end of the jack (3) is in contact with the bottom of the central column (8).
2. The large-tonnage anchor pile method static load test device according to claim 1, characterized in that: the central column (8) comprises a groove base (801) and a steel column (802), the groove base (801) is located at the bottom of the steel column (802), a clamping groove (4) is formed at the contact position of the groove base (801) and the steel column (802), the lower protruding portion of one end of the steel beam (5) is connected with the groove base (801) through the clamping groove (4), and the upper protruding portion of one end of the steel beam (5) is fastened on the steel column (802) through a circular steel clamping ring (7).
3. The large-tonnage anchor pile method static load test device according to claim 1 or 2, characterized in that: the steel beam is characterized in that a connecting piece (13) is arranged at the top of the central column (8), a plurality of connecting rings (14) are arranged on the surface of the steel beam (5), and a steel wire rope (9) is arranged between the connecting piece (13) and the connecting rings (14).
4. The large-tonnage anchor pile method static load test device according to claim 1, characterized in that: and a reinforced steel plate (6) is welded on the upper surface of the steel beam (5) close to the central column (8).
5. The large-tonnage anchor pile method static load test device according to claim 1, characterized in that: and a steel base plate (2) is arranged between the jack (3) and the test pile (1).
6. The large-tonnage anchor pile method static load test device of claim 1, which is characterized in that: the steel beam (5) is a variable cross-section steel beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223175129.5U CN218813926U (en) | 2022-11-29 | 2022-11-29 | Large-tonnage anchor pile method static load test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223175129.5U CN218813926U (en) | 2022-11-29 | 2022-11-29 | Large-tonnage anchor pile method static load test device |
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| CN218813926U true CN218813926U (en) | 2023-04-07 |
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| CN202223175129.5U Active CN218813926U (en) | 2022-11-29 | 2022-11-29 | Large-tonnage anchor pile method static load test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752589A (en) * | 2023-08-22 | 2023-09-15 | 北京中建建筑科学研究院有限公司 | Prestressed fish belly type reaction frame, pile foundation bearing capacity detection device and application |
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2022
- 2022-11-29 CN CN202223175129.5U patent/CN218813926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752589A (en) * | 2023-08-22 | 2023-09-15 | 北京中建建筑科学研究院有限公司 | Prestressed fish belly type reaction frame, pile foundation bearing capacity detection device and application |
| CN116752589B (en) * | 2023-08-22 | 2023-11-17 | 北京中建建筑科学研究院有限公司 | Prestressed fish belly type reaction frame, pile foundation bearing capacity detection device and application |
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