CN209798851U - static pressure pile foundation static load detection device - Google Patents
static pressure pile foundation static load detection device Download PDFInfo
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- CN209798851U CN209798851U CN201920380519.5U CN201920380519U CN209798851U CN 209798851 U CN209798851 U CN 209798851U CN 201920380519 U CN201920380519 U CN 201920380519U CN 209798851 U CN209798851 U CN 209798851U
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Abstract
The utility model relates to a static pressure pile foundation static load detection device, it is including setting up the bottom plate at the pile foundation up end, the bottom plate up end is provided with the jack, the girder that the level was placed has set gradually on the jack, a plurality of secondary beams that set up with girder quadrature, bearing plate and a plurality of heavy object, subaerial support mound that still is provided with terminal surface contact under two up ends and the girder both ends, the bottom plate up end is still horizontal to be provided with the benchmark roof beam, the benchmark roof beam includes the box body, the box body internal rotation is connected with the gear, it is provided with two isometric horizontal poles to slide in the gear both sides in the box body, one side that the horizontal pole is close to the gear is fixed with along horizontal pole length direction and with the rack of gear engagement adaptation, the rigid coupling has two displacement meters on the box body, the one end and the pile foundation rigid coupling. The utility model discloses a rotary gear can realize that the horizontal pole stretches out the adjustment of box body length, is convenient for detect not unidimensional foundation pile.
Description
Technical Field
The utility model belongs to the technical field of building pile foundation detection device's technique and specifically relates to a static pressure pile foundation static load detection device is related to.
Background
Along with the rapid development of the building industry, in the engineering of continuously building bridges and high buildings, more and more pile foundations are applied to building construction, and the requirement on the vertical bearing capacity of a single pile of the pile foundation is higher and higher. With the wide use of the pile foundation, the construction conditions vary greatly and the influence of human factors, the pile body quality and the single pile bearing capacity are often difficult to be effectively ensured in the engineering practice. Therefore, after the pile foundation construction is completed, the vertical bearing capacity of the pile foundation needs to be detected, the vertical bearing capacity of the pile foundation comprises the vertical compressive resistance and the uplift bearing capacity of the pile foundation, and the traditional detection method for the vertical compressive resistance and the uplift bearing capacity of the pile foundation comprises the following steps: the pile loading method, the common anchor pile method, the deep well in-situ test method, the self-anchoring method, the self-balancing method, the hoop method and the like.
the pile-loading method generally comprises the steps of placing a jack on the upper end of a pile foundation to be detected, placing a main beam and a plurality of secondary beams on the upper end of the jack, stacking a counterweight cement block with specific weight on the secondary beams, placing a supporting pier between the secondary beams and the ground for supporting a bearing device to prevent the bearing device from toppling over, detecting the static load of the pile foundation by lifting the jack, simultaneously arranging a reference beam above the pile foundation, fixing reference piles inserted into the ground at two ends of the reference beam respectively, and arranging a displacement meter between the reference beam and the pile foundation for detecting the settlement of the pile foundation.
The patent publication is CN 208121831U's chinese patent, an engineering stake static load detection device is proposed, support the mound including two parallel arrangement, every one end of supporting the mound is all fixed subaerial, the one end fixedly connected with steel sheet on ground is kept away from to the test stake, one side fixedly connected with bearing plate of test stake is kept away from to the steel sheet, the equal fixedly connected with fastening block in lower surface both sides of bearing plate, one side fixedly connected with jack of steel sheet is kept away from to the bearing plate, lie in the equal fixedly connected with fixed block in both sides of jack on the bearing plate, the one end that the bearing plate was kept away from to the jack is fixed on the girder, be equipped with the displacement meter on the jack, the upper surface both sides of girder all rotate and be connected with the baffle, one side that the gravity plate was kept away from to every baffle all is. The utility model discloses a through the protection to the pile foundation effectively improved the security in the static load detects.
The above prior art solutions have the following drawbacks: clear regulation in the construction specification, the distance between benchmark stake and the pile foundation need reach the pile foundation diameter four times more than in order to avoid the pile foundation soil body adverse effect of sinking, above-mentioned technical scheme installs the displacement meter between girder and jack, and the benchmark of displacement meter is located the girder, supports the mound and does not reach the regulation of construction specification as its distance of benchmark roof beam, can't satisfy the requirement of many sizes pile foundation to the benchmark stake simultaneously, and detection device's economic nature is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a static pressure pile foundation static load detection device suitable for multiple size pile foundation.
The utility model aims at realizing through the following technical scheme:
The utility model provides a static pressure pile foundation static load detection device, is including setting up the circular shape bottom plate at the pile foundation up end, the bottom plate up end is provided with jack, its characterized in that: the jack up end is fixed with the girder that the level was placed, girder up end quadrature is provided with a plurality of secondary beam, and a plurality of the secondary beam up end is provided with the bearing plate, the bearing plate up end is provided with a plurality of heavy objects, subaerial still being provided with two up end and the support mound of terminal surface contact under the girder both ends, the bottom plate up end still level is provided with the benchmark roof beam, the benchmark roof beam includes the box body, middle part rotation in the box body is connected with the gear, in the box body in the gear both sides slide and be provided with two isometric horizontal poles, one side that the horizontal pole is close to the gear is fixed with along horizontal pole length direction and with the rack of gear engagement adaptation, the rigid coupling has two displacement meters on the box body, the pile foundation meter is kept away from the one end and the rigid coupling of box body, sets for running through gear axis and bottom plate axis and perpendicular to the vertical face of bottom plate up end is the, the two displacement meters are symmetrically arranged relative to the axial plane, and two ends of the reference beam are connected with reference piles vertically arranged on the ground.
By adopting the technical scheme, the bottom plate is arranged at the center of the pile foundation, the jack, the girder, the secondary beams, the bearing plate and the heavy objects are sequentially installed, the supporting pier supports the heavy objects on the girder and the bearing plate to prevent the heavy objects from toppling over, the jack is driven to lift the girder to carry out static pressure bearing on the pile foundation, then the rotary gear adjusts the length of the cross rod extending out of the box body to a proper position, the reference pile is installed at the end parts of the two cross rods far away from the box body, the reference pile is firmly installed on the ground, the two displacement meters are respectively installed at proper positions between the box body and the pile foundation, at the moment, the settlement phenomenon after the pile foundation is borne can be statically observed, the settlement displacement of the pile foundation can be shown on the displacement meters after the settlement; when the pile foundation diameter of required detection is too big, rotatable gear for the horizontal pole stretches out the length of box body long enough, installs the benchmark stake subaerial again, subsides to avoid the peripheral earth of pile foundation to cause the influence to the benchmark stake location, makes detection device can satisfy the static load of many sizes pile foundation and detects, need not the check out test set of the multiple different specifications of repeated preparation, has reduced the waste of steel, has promoted detection device's economic nature.
the utility model discloses further set up to: one side of the box body is rotatably provided with a rotating shaft coaxially fixed with the gear, and one end of the rotating shaft, far away from the box body, is provided with a square hole.
Through adopting above-mentioned technical scheme, take the steel with the square hole adaptation and insert in the square hole, it is rotatory to rotate steel drive pivot, and it is rotatory to drive the gear when the pivot is rotatory, has realized that the horizontal pole stretches out the convenient adjustment of box body length.
The utility model discloses further set up to: the square shaft is elastically arranged in the square hole, a limiting frame is fixed on one side, close to the rotating shaft, of the box body, and a limiting hole matched with the square shaft in an inserting mode is formed in the limiting frame.
Through adopting above-mentioned technical scheme, will with the steel butt square shaft of square hole adaptation and press the square shaft to the square hole in, rotate the rotation that steel can realize the gear, horizontal pole length adjustment stops to press the square shaft after finishing and takes out steel, the square shaft that elasticity set up pops out and with spacing hole plug-in connection, the length that the horizontal pole stretched out the box body this moment is fixed, the horizontal pole stretches out the influence that box body length change takes place the pile foundation settlement volume measured value when avoiding detecting as far as possible.
The utility model discloses further set up to: an elastic piece is fixedly connected between the bottom wall of the square hole and the square shaft.
Through adopting above-mentioned technical scheme, when the square shaft was pressed, the elastic component was compressed, and the elastic component takes place deformation, stops to press the square shaft after, and the elastic component drive square shaft after the deformation independently kick-backs to with spacing hole grafting adaptation, has realized the automatic re-setting of square shaft.
The utility model discloses further set up to: the inner wall of the box body close to the cross rod is fixedly provided with a deviation prevention block along the length direction of the cross rod, and the cross rod is provided with a sliding groove matched with the deviation prevention block in a sliding mode.
Through adopting above-mentioned technical scheme, when the horizontal pole stretches out box body length for too long, receive the horizontal pole dead weight to influence two horizontal poles and probably break away from relative horizontality with the box body, in preventing inclined to one side the spout on the piece embedding horizontal pole, avoided this phenomenon as far as possible.
The utility model discloses further set up to: and the middle part of the upper end surface of the bottom plate is provided with a protection block for limiting the jack.
Through adopting above-mentioned technical scheme, the protection piece carries on spacingly to the position of jack on the bottom plate, when preventing as far as possible that the jack from bearing overweight weight, the jack takes place the skew and causes the potential safety hazard on the bottom plate.
The utility model discloses further set up to: the upper end surface of the base plate is provided with a plurality of grooves pointing to the circle center of the base plate, fixing strips with Z-shaped cross sections are arranged in the grooves, and a plurality of lock catches used for tightening the fixing strips on the peripheral wall of the pile foundation are arranged at one ends, close to the circle center of the base plate, of the fixing strips.
through adopting above-mentioned technical scheme, when the bottom plate was placed on the pile foundation, removed the fixed strip and tighten the hasp in the recess, the one end and the pile foundation perisporium that the bottom plate middle part was kept away from to the fixed strip support tightly and with the bottom plate straining on the pile foundation, have guaranteed the stability of bottom plate on the pile foundation, have improved detection device's security.
The utility model discloses further set up to: and a plurality of limiting blocks are fixed on the upper end surface of the bottom plate above the grooves.
Through adopting above-mentioned technical scheme, the stopper can prevent that the fixed strip from deviating from the recess and losing the fixed action to the bottom plate.
To sum up, the utility model discloses a beneficial technological effect does:
1. The rotary gear can realize the length of the cross rod extending out of the box body, so that the length of the reference beam is adjustable, and the detection device is convenient to be suitable for static load detection of pile foundations with different diameters;
2. the square shaft is elastically arranged in the square hole and is spliced with the limiting hole, so that the accidental change of the length of the cross rod extending out of the box body in the detection process can be prevented, and the influence of the length change of the cross rod extending out of the box body on the detection of the settlement amount of the pile foundation can be reduced as much as possible;
3. the bottom plate passes through the fixed strip to be fixed on the pile foundation, guarantees the stability of bottom plate on the pile foundation as far as possible, has improved detection device's security.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall construction of the reference beam;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 1;
Fig. 4 is a schematic sectional view of the plane B-B in fig. 2.
In the figure, 1, a bottom plate; 2. a jack; 3. a girder; 4. a secondary beam; 5. a pressure bearing plate; 6. a weight; 7. supporting piers; 8, a box body; 9. a gear; 10. a cross bar; 11. a rack; 12. a displacement meter; 13. a reference pile; 14. a rotating shaft; 15. a square hole; 16. a square shaft; 17. a limiting frame; 18. a limiting hole; 19. an elastic member; 20. a deviation prevention block; 21. a chute; 22. a protection block; 23. a groove; 24. a fixing strip; 25. locking; 26. and a limiting block.
Detailed Description
the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 3, the static load detection device for the static pressure pile foundation disclosed by the invention comprises a circular bottom plate 1 arranged on the upper end surface of the pile foundation, wherein a jack 2 is arranged on the upper end surface of the bottom plate 1, and a square frame-shaped protection block 22 for limiting the jack 2 is arranged in the middle of the upper end surface of the bottom plate 1; the upper end surface of the bottom plate 1 is provided with a plurality of grooves 23 pointing to the circle center of the bottom plate 1, the grooves 23 are preferably four and distributed in a uniform circumferential array with the circle center of the bottom plate 1, fixing strips 24 with Z-shaped cross sections are arranged in the grooves 23, the end parts of the fixing strips 24 close to the protection blocks 22 point to the direction deviating from the ground, the outer walls of the end parts of the fixing strips 24 are provided with lock catches 25 used for tightly fastening the fixing strips 24 to enable the end parts of the fixing strips 24 far away from the protection blocks 22 to tightly abut against the peripheral wall of the pile foundation, and a plurality of limiting blocks 26 are fixed on the upper end surface of; the upper end face of the jack 2 is fixed with a crossbeam 3 which is horizontally placed, a plurality of secondary beams 4 are orthogonally arranged on the upper end face of the crossbeam 3, the crossbeam 3 and the secondary beams 4 are preferably made of I-shaped steel, a bearing plate 5 is arranged on the upper end faces of the secondary beams 4, a plurality of weights 6 are arranged on the upper end face of the bearing plate 5, the weights 6 are preferably prefabricated soil-mixed blocks, two support piers 7 with upper end faces contacted with the lower end faces of two ends of the crossbeam 3 are further arranged on the ground, and the support piers 7 are preferably formed by pouring concrete.
The base plate 1 is placed on the pile foundation, the fixing strip 24 is moved in the groove 23 and tightens the lock catch 25, one end, far away from the middle part of the base plate 1, of the fixing strip 24 is tightly abutted to the peripheral wall of the pile foundation and fastens the base plate 1 on the pile foundation, the stability of the base plate 1 on the pile foundation is guaranteed, the safety of the detection device is improved, and the limiting block 26 can prevent the fixing strip 24 from dropping out of the groove 23 and losing the fixing effect on the base plate 1; the jack 2 is placed in the protection block 22, the protection block 22 limits the position of the jack 2 on the bottom plate 1, and potential safety hazards caused by the fact that the jack 2 deviates on the bottom plate 1 when the jack 2 bears overweight are prevented as far as possible; girder 3, a plurality of secondary beam 4, bearing plate 5 and a plurality of heavy object 6 are placed in proper order to jack 2 up end afterwards to pour support pier 7 in the below at girder 3 both ends, support pier 7 and support the heavy object 6 on girder 3 and the bearing plate, prevent it and empty, can start jack 2 this moment and promote girder 3 and carry out the static load and detect the pile foundation.
Referring to fig. 2 and 4, the base beam is horizontally arranged on the upper end surface of the base plate 1, the base beam comprises a box body 8 arranged on the ground in parallel, a gear 9 is rotatably connected to the middle in the box body 8, two cross rods 10 with equal length are arranged in the box body 8 in a sliding mode on two sides of the gear 9, the cross rods 10 are preferably square tubes, a rack 11 which is matched with the gear 9 along the length direction of the cross rods 10 is fixed on one side, close to the gear 9, of each cross rod 10, two displacement meters 12 are fixedly connected to the box body 8, one end, far away from the box body 8, of each displacement meter 12 is fixedly connected with a pile foundation, a vertical surface which penetrates through the axis of the gear 9 and the axis of the base plate 1 and is perpendicular to the upper end surface of the base plate 1 is set as an axial surface.
The rotary gear 9 adjusts the length of the cross rod 10 extending out of the box body 8 to ensure that the total length of the reference beam is larger than the sum of the diameters of nine pile foundations, the end parts of the two cross rods 10 far away from the box body 8 are provided with the reference piles 13, the reference piles 13 are firmly arranged on the ground, the two displacement meters 12 are respectively arranged at proper positions between the box body 8 and the pile foundations, at the moment, the settlement phenomenon of the pile foundations after bearing can be observed in a standing mode, the settlement displacement of the pile foundations after settlement can be shown on the displacement meters 12, the two displacement meters 12 are arranged to facilitate calibration of the detected settlement, and the detection precision of the detection device is improved as much as; when the pile foundation diameter that needs detected is too big, rotatable gear 9 for horizontal pole 10 stretches out the length of box body 8 long enough, installs reference pile 13 subaerial again, subsides to avoid the peripheral earth of pile foundation and cause the influence to reference pile 13 location, makes detection device can satisfy the static load of many sizes pile foundation and detect, need not the check out test set of the multiple different specifications of repeated preparation, has reduced the waste of steel, has promoted detection device's economic nature.
In order to further improve the convenience of the detection device during use, a rotating shaft 14 coaxially fixed with the gear 9 is rotatably arranged on one side of the box body 8, a square hole 15 is formed in one end, far away from the box body 8, of the rotating shaft 14, a square shaft 16 is elastically arranged in the square hole 15, an elastic part 19 is fixedly connected between the bottom wall of the square hole 15 and the square shaft 16, the elastic part 19 is preferably a spring, a limiting frame 17 with an inverted U-shaped cross section is fixed on one side, close to the rotating shaft 14, of the box body 8, and a limiting hole 18 matched with the square shaft 16 in an inserted mode is formed in the limiting frame 17; the inner wall of box body 8 near horizontal pole 10 all is fixed with along horizontal pole 10 length direction prevents inclined to one side piece 20, all sets up on the horizontal pole 10 with prevent inclined to one side piece 20 spout 21 of the adaptation that slides, the groove width of spout 21 is the same with prevent inclined to one side piece 20 thickness.
Taking steel matched with the square hole 15 to abut against the square shaft 16 and press the square shaft 16 into the square hole 15, compressing the elastic part 19 to generate deformation, rotating the steel to drive the rotating shaft 14 to rotate and drive the gear 9 to rotate, and driving the rack 11 meshed with the gear 9 to move when the gear 9 rotates, so that the cross rod 10 slides in the box body 8, and the convenient adjustment of the length of the cross rod 10 extending out of the box body 8 is realized; after the length of the cross rod 10 is adjusted, the square shaft 16 stops being pressed to take out steel, the deformed elastic piece 19 drives the square shaft 16 to automatically rebound to be in splicing fit with the limiting hole 18, automatic reset of the square shaft 16 is achieved, the length of the cross rod 10 extending out of the box body 8 is fixed, and the influence of the length change of the cross rod 10 extending out of the box body 8 on the measured value of the settlement amount of the pile foundation during detection is avoided as much as possible; the deviation prevention block 2020 is just clamped into the sliding groove 21, so that the cross rod 10 is prevented from being influenced by self gravity and the two cross rods 10 may be separated from the box body 8 in a relatively horizontal state when the cross rod 10 extends out of the box body 8 for too long as possible, and the detection result is prevented from being influenced.
The implementation principle of the embodiment is as follows:
The method comprises the following steps of arranging a base plate 1 at the center of a pile foundation, sequentially installing a jack 2, a girder 3, a plurality of secondary beams 4, a bearing plate 5 and a plurality of weights 6, supporting the girder 3 and the weights 6 on the bearing plate by using a supporting pier 7 to prevent the girder 3 and the weights 6 from toppling over, starting the jack 2 to lift the girder 3 to perform static load detection on the pile foundation, adjusting the length of a cross rod 10 extending out of a box body 8 by using a rotary gear 9 to ensure that the total length of the reference beam is greater than the sum of the diameters of nine pile foundations, installing a reference pile 13 at the end part, far away from the box body 8, of the two cross rods 10 and firmly installing the reference pile 13 on the ground, respectively installing two displacement meters 12 at proper positions between the box body 8 and the pile foundation, enabling the pile foundation to be statically placed to observe the settlement phenomenon after the; according to waiting to detect the pile foundation diameter, rotary gear 9 has realized the adaptability that detection device detected to the static load of the pile foundation of unidimensional, has reduced the waste of steel with the length that box body 8 was stretched out to adjustment horizontal pole 10, has promoted detection device's economic nature.
the embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a static pressure pile foundation static load detection device, is including setting up circular shape bottom plate (1) at the pile foundation up end, bottom plate (1) up end is provided with jack (2), girder (3) that the level was placed are fixed with to jack (2) up end, girder (3) up end quadrature is provided with a plurality of secondary beam (4), and is a plurality of secondary beam (4) up end is provided with bearing plate (5), bearing plate (5) up end is provided with a plurality of heavy objects (6), subaerial still be provided with two up end with terminal surface contact's support mound (7), its characterized in that under girder (3) both ends: the base plate (1) up end is the level still and is provided with the benchmark roof beam, the benchmark roof beam includes box body (8), middle part rotation in box body (8) is connected with gear (9), in box body (8) in gear (9) both sides slide and be provided with two isometric horizontal poles (10), one side that horizontal pole (10) are close to gear (9) is fixed with the edge horizontal pole (10) length direction and with rack (11) of gear (9) meshing adaptation, the rigid coupling has two displacement meters (12) on box body (8), displacement meter (12) are kept away from the one end and the pile foundation rigid coupling of box body (8), set for run through gear (9) axis with base plate (1) axis and perpendicular to the vertical face of base plate (1) up end is the axial plane, two displacement meters (12) are for the axial plane is the symmetry setting, and two ends of the reference beam are connected with reference piles (13) vertically arranged on the ground.
2. The static pressure pile foundation static load detection device of claim 1, characterized in that: box body (8) one side is rotated be provided with gear (9) coaxial fixed pivot (14), square hole (15) have been seted up to pivot (14) one end of keeping away from box body (8).
3. The static pressure pile foundation static load detection device of claim 2, characterized in that: the square shaft (16) is elastically arranged in the square hole (15), a limiting frame (17) is fixed on one side, close to the rotating shaft (14), of the box body (8), and a limiting hole (18) matched with the square shaft (16) in an inserted mode is formed in the limiting frame (17).
4. The static pressure pile foundation static load detection device of claim 3, characterized in that: an elastic piece (19) is fixedly connected between the bottom wall of the square hole (15) and the square shaft (16).
5. The static pressure pile foundation static load detection device of claim 4, characterized in that: the inner wall of the box body (8) close to the cross rod (10) is fixedly provided with a deviation preventing block (20) along the length direction of the cross rod (10), and the cross rod (10) is provided with a sliding groove (21) matched with the deviation preventing block (20) in a sliding manner.
6. The static pressure pile foundation static load detection device of claim 1, characterized in that: and a protection block (22) used for limiting the jack (2) is arranged in the middle of the upper end surface of the bottom plate (1).
7. The static pressure pile foundation static load detection device of claim 1, characterized in that: the pile foundation is characterized in that a plurality of grooves (23) pointing to the circle center of the bottom plate (1) are formed in the upper end face of the bottom plate (1), fixing strips (24) with Z-shaped cross sections are arranged in the grooves (23), and a plurality of lock catches (25) used for tightening the fixing strips (24) on the periphery wall of the pile foundation are arranged at one ends, close to the circle center of the bottom plate (1), of the fixing strips (24).
8. The static pressure pile foundation static load detection device of claim 7, characterized in that: the upper end face of the bottom plate (1) is fixedly provided with a plurality of limiting blocks (26) above the grooves (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920380519.5U CN209798851U (en) | 2019-03-23 | 2019-03-23 | static pressure pile foundation static load detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920380519.5U CN209798851U (en) | 2019-03-23 | 2019-03-23 | static pressure pile foundation static load detection device |
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| CN209798851U true CN209798851U (en) | 2019-12-17 |
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| CN201920380519.5U Active CN209798851U (en) | 2019-03-23 | 2019-03-23 | static pressure pile foundation static load detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764445A (en) * | 2020-07-03 | 2020-10-13 | 浙江大港桥梁科学研究有限公司 | Counterforce device for pile foundation uplift static load test |
| CN113432979A (en) * | 2021-06-22 | 2021-09-24 | 浙江创新工程检测有限公司 | Bearing capacity detection equipment for reinforced concrete structure and reinforced concrete detection method |
| CN113432996A (en) * | 2021-06-22 | 2021-09-24 | 浙江创新工程检测有限公司 | Static load detection equipment for concrete beam |
| CN113640123A (en) * | 2021-08-12 | 2021-11-12 | 南通市建设工程质量检测站有限公司 | Pile foundation resistance to plucking static load test device |
-
2019
- 2019-03-23 CN CN201920380519.5U patent/CN209798851U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764445A (en) * | 2020-07-03 | 2020-10-13 | 浙江大港桥梁科学研究有限公司 | Counterforce device for pile foundation uplift static load test |
| CN111764445B (en) * | 2020-07-03 | 2021-09-03 | 浙江大港桥梁科学研究有限公司 | Counterforce device for pile foundation uplift static load test |
| CN113432979A (en) * | 2021-06-22 | 2021-09-24 | 浙江创新工程检测有限公司 | Bearing capacity detection equipment for reinforced concrete structure and reinforced concrete detection method |
| CN113432996A (en) * | 2021-06-22 | 2021-09-24 | 浙江创新工程检测有限公司 | Static load detection equipment for concrete beam |
| CN113432979B (en) * | 2021-06-22 | 2022-08-05 | 浙江创新工程检测有限公司 | Bearing capacity detection equipment for reinforced concrete structure and reinforced concrete detection method |
| CN113432996B (en) * | 2021-06-22 | 2022-11-04 | 浙江创新工程检测有限公司 | Static load detection equipment for concrete beam |
| CN113640123A (en) * | 2021-08-12 | 2021-11-12 | 南通市建设工程质量检测站有限公司 | Pile foundation resistance to plucking static load test device |
| CN113640123B (en) * | 2021-08-12 | 2024-02-13 | 南通市建设工程质量检测站有限公司 | Pile foundation anti-pulling static load test device |
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