Climbing cone shear bearing capacity test device and test method

By designing a self-balancing connection device and pressurization device, the problems of cumbersome operation and instability of the test piece in the shear bearing capacity test of the crawling cone are solved, and efficient and accurate shear bearing capacity test of the crawling cone is achieved, reducing safety risks and economic costs.

CN119147392AInactive Publication Date: 2024-12-17ZHEJIANG ARMOR CONSTR TECH CO LTD +1
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Patent Information

Application Number
CN202411654719.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2024-12-17
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The prior art has problems in the shear bearing capacity test of crawling cone, high time cost and instability of the specimen, resulting in low test accuracy and reliability, especially in concrete specimens that can easily cause forward tilt torque, which leads to test. The piece capsized.

Method used

A test device for crawling cone shear bearing capacity is designed, including a self-balancing connection device and a pressurization device. The test in a self-balancing state is achieved through components such as connecting seats, tie rods, rear anchor beams and pressurization seats, and the reaction force is cancelled. The frame is pressurized by a lifting device and a pressure sensor until the structure of the test member is damaged.

Benefits of technology

The self-balancing of the shear bearing capacity test of the crawling cone is realized, which reduces the risk of inaccuracy during the loading process, simplifies the installation process, improves work efficiency and flexibility, reduces economic costs, and improves the accuracy of the test and Security.

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Abstract

The invention discloses a climbing cone shear bearing capacity test device and test method, and belongs to the technical field of structure detection tests. The device comprises a test component structure, a pressurizing device and a self-balancing connecting device. The self-balancing connecting device comprises a connecting seat, a pull rod and a rear anchor beam, the connecting seat is arranged on the upper surface of the test component structure, the rear anchor beam is arranged on the upper surface of the connecting seat, and the arrangement direction is perpendicular to the length direction of the connecting seat. The lower end of the pull rod is pre-embedded in the test member structure, and the upper end passes through the rear anchor beam and then is connected with the rear anchor beam through a fixing member. The pressurizing device comprises a connecting rod, a lifting device and a pressurizing seat. The lower end of the connecting rod is fixedly connected with the test member structure. And the pressurizing seat is fixed on the upper surface of the connecting seat and is parallel to the rear anchor beam. The upper end of the connecting rod sequentially penetrates through the pressurizing base and the lifting device and then is fixedly connected with the lifting device through a fixing piece. When the lifting device provides upward shearing force for the test component structure below, the force is dispersed through the self-balancing connecting device, and self-balancing is achieved.
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Description

Technical Field

[0001] The invention belongs to the technical field of structural detection tests, and in particular relates to a climbing cone shear bearing capacity test device and a test method. Background Art

[0002] A climbing cone generally refers to a threaded cone-shaped tool, commonly used in the fields of construction and engineering. Its unique shape and design enable it to carry and fix through a spiral motion under certain conditions. Climbing cones can provide efficient fixing and support in some specific applications, especially in scenarios that require high shear and bearing capacity. Understanding and testing the shear bearing capacity of climbing cones is key to ensuring the safety and stability of structures.

[0003] At present, a combination of a reaction frame and a jack is generally used to perform compression shear tests on small, low-load-bearing climbing cones. With this method, the climbing cone needs to be frequently transferred to the inside of the reaction frame for operation, which increases the complexity of the operation and time cost. The Chinese utility model patent with the authorization announcement number CN220366928U discloses a climbing cone stress monitoring system, in which a stress sheet sensor is arranged on the bottom surface of the climbing cone connection section near one end of the inner through hole, and is electrically connected to a data acquisition device. A stress sheet sensor is arranged at the most unfavorable stress point of the connecting rod to detect the vertical load at that location, and then the monitored data is displayed to the construction personnel through the data acquisition device. This method has a single force mode and cannot fully reflect the comprehensive performance of the climbing cone in actual use.

[0004] If large equipment such as a microcomputer-controlled electro-hydraulic servo multifunctional testing machine, or a specially designed reaction frame and a large-tonnage jack are used, it is difficult to fix the concrete specimen. When pressure is applied to the front end of the climbing cone, due to the center of gravity of the concrete specimen, it is easy to induce a forward moment, causing the concrete specimen to become unstable. This situation directly affects the accuracy and reliability of the climbing cone shear performance test, and may even cause the specimen to overturn, ultimately leading to test failure.

[0005] Therefore, there is an urgent need to provide a climbing cone shear bearing capacity test device that can be directly installed on the test component, achieve a self-balancing state when loaded, and complete the test quickly and efficiently. Summary of the invention

[0006] The purpose of the present invention is to solve the deficiencies in the prior art and to provide a climbing cone shear bearing capacity test device and a test method.

[0007] The specific technical solutions adopted by the present invention are as follows:

[0008] In a first aspect, the present invention provides a climbing cone shear bearing capacity test device, comprising a test component structure, a pressurizing device and a self-balancing connecting device;

[0009] The self-balancing connection device comprises a connection seat, a pull rod and a rear anchor beam; the connection seat is arranged on the upper surface of the test component structure; the rear anchor beam is arranged on the upper surface of the connection seat, and the arrangement direction of the rear anchor beam is perpendicular to the length direction of the connection seat; the pull rod is arranged perpendicular to the test component structure, the lower end of the pull rod is pre-buried in the test component structure, and the upper end of the pull rod passes through the rear anchor beam and is fixedly connected to the rear anchor beam through the fixing member of the self-balancing connection device;

[0010] The pressurizing device comprises a connecting rod, a lifting device and a pressurizing seat; the connecting rod is arranged perpendicular to the test component structure, and the lower end of the connecting rod is fixedly connected to the climbing cone connecting seat in the test component structure; the pressurizing seat is fixed to the upper surface of the connecting seat and is parallel to the rear anchor beam; the upper end of the connecting rod passes through the pressurizing seat and the lifting device in sequence, and is fixedly connected to the lifting device through the pressurizing device fixing piece; when the lifting device provides a vertical upward shear force to the test component structure below, the force is dispersed through the self-balancing connecting device to achieve self-balancing.

[0011] Preferably, the test component structure includes a wall, an embedded cone, a connecting piece, a climbing cone connecting seat and a climbing cone adapter; the embedded cone is pre-embedded in the wall, the climbing cone adapter is arranged on the outer wall of the wall, and the connecting piece passes through the climbing cone adapter, the climbing cone connecting seat and the embedded cone in sequence to form a bolt connection; the climbing cone connecting seat is in contact with the outer wall of the wall.

[0012] Furthermore, the pressure seat adopts two channel steels, and the gap between the webs of the two channel steels is used to pass the connecting rod; the rear anchor beam adopts two channel steels, and the gap between the webs of the two channel steels is used to pass the pull rod.

[0013] Furthermore, the depth at which the lower end of the pull rod is pre-buried in the wall of the test component structure is the same as the embedding depth of the pre-buried cone.

[0014] Furthermore, a plurality of pads are provided at the contact point between the lower surface of the connection seat and the upper surface of the test component structure; and a screw anchor plate is provided between the fixing part of the pressurizing device and the lifting device.

[0015] Furthermore, the length of the connecting seat is greater than the width of the wall in the test component structure, and a limiting member is fixed on a side of the lower surface of the connecting seat close to the pull rod.

[0016] Furthermore, the pressurizing device fixing piece is a nut, and the self-balancing connecting device fixing piece is a cast steel nut.

[0017] Furthermore, the lifting device includes a pressure sensor and a pressure display gauge. The pressure sensor converts the pressure signal into an electrical signal and transmits the electrical signal to the pressure display gauge through an electric circuit to display the value. The lifting device uses a hollow jack.

[0018] Furthermore, the connecting seat and the limiting member are both made of H200×200 steel.

[0019] In a second aspect, the present invention provides a test method using the climbing cone shear bearing capacity test device described in the first aspect, and the specific steps are as follows:

[0020] S1: Install the steel bars and formwork according to the design drawings, and position and embed the embedded cone and tie rod; after the embedding and fixing, cast the wall with concrete; after the concrete curing is completed, a complete test component structure is obtained; the tie rod is set perpendicular to the test component structure, and the lower end of the tie rod is embedded in the test component structure;

[0021] S2: A climbing cone connection seat and a climbing cone adapter matching the embedded cone are placed in sequence at the embedded cone pre-buried in the test component structure, and the connecting piece passes through the climbing cone adapter, the climbing cone connection seat and the embedded cone in sequence to form a bolt connection; the climbing cone connection seat is fitted with the outer wall of the wall, and the climbing cone adapter is arranged on the outer side of the climbing cone connection seat;

[0022] S3: The connecting rod is arranged perpendicular to the test component structure, and the lower end of the connecting rod is fixedly connected to the climbing cone connecting seat by full welding;

[0023] S4: a connecting seat is arranged on the upper surface of the wall, the connecting seat is arranged along the width direction of the wall, and the connecting seat is arranged between the tie rods;

[0024] S5: a rear anchor beam is arranged on the upper surface of the connection seat, and the arrangement direction of the rear anchor beam is perpendicular to the length direction of the connection seat; the rear anchor beam is arranged on the front and rear sides of the pull rod, and the upper end of the pull rod passes through the rear anchor beam and is fixedly connected to the rear anchor beam through the fixing piece of the self-balancing connection device;

[0025] S6: A pressure seat is arranged on both sides of the front and rear of the connecting rod, and the lifting device is placed above the pressure seat after passing through the upper end of the connecting rod; the upper end of the connecting rod is fixedly connected to the lifting device through a pressure device fixing piece;

[0026] S7: Use a lifting device to apply graded pressurization, and drive the climbing cone connection seat vertically upward through the connecting rod, so that the climbing cone adapter and the embedded cone generate vertical upward shear force until the test component structure is destroyed. Record the pressure value displayed by the lifting device to complete the climbing cone shear bearing capacity test.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] (1) The present invention provides a self-balancing connection device, with a pressure device and a rear anchor beam respectively arranged at the front and rear ends, and realizes self-balancing during the shear bearing capacity test of the climbing cone through stable anchoring of the front and rear ends. The device eliminates the reaction frame in the existing climbing cone shear bearing capacity test device, reduces the problem of inaccurate results caused by the forward tipping of the structure during the loading process, and effectively reduces the safety risks during the implementation process.

[0029] (2) The installation process of the climbing cone shear bearing capacity test device provided by the present invention is simple and quick. The required equipment and devices can be quickly manufactured through simple processing procedures, and the test can be carried out directly on the project site, which greatly improves work efficiency and flexibility and reduces economic costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A side view of the climbing cone shear bearing capacity test device provided in this embodiment;

[0031] Figure 2 A front view of the climbing cone shear bearing capacity test device provided in this embodiment;

[0032] Figure 3 This is a schematic diagram of the test component structure in this embodiment;

[0033] Figure 4 This is a schematic diagram of a self-balancing connection device in this embodiment;

[0034] Figure 5 Schematic diagram of the pressurizing device in this embodiment;

[0035] Figure 6 for Figure 1 A partial enlarged view of

[0036] Figure 7 for Figure 2 A partial enlarged view of

[0037] In the figure: test component structure 1, embedded cone 11, connecting piece 12, wall 13, climbing cone connecting seat 14, pressurizing device 2, connecting rod 21, lifting device 22, pressurizing seat 23, screw anchor plate 24, pressurizing device fixing piece 25, self-balancing connecting device 3, connecting seat 31, pull rod 32, self-balancing connecting device fixing piece 33, rear anchor beam 34, pad 35, limit piece 36. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned purpose, features and advantages of the present invention more obvious and easy to understand, the specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below. The technical features in each embodiment of the present invention can be combined accordingly without conflicting with each other.

[0039] As a preferred embodiment of the present invention, this embodiment provides a climbing cone shear bearing capacity test device. Figure 1 and Figure 2 As shown, the climbing cone shear bearing capacity test device mainly includes a pressurizing device 2 and a self-balancing connecting device 3. The self-balancing connecting device 3 is arranged on the test component structure 1, and the pressurizing device 2 is arranged above the self-balancing connecting device 3. The output end of the pressurizing device 2 is connected to the test component structure 1 to lift and pressurize the test component structure 1. When the pressurizing device 2 provides a vertical upward shear force to the test component structure 1 below, part of the force is dispersed in the horizontal direction through the self-balancing connecting device 3 to achieve stability, thereby avoiding inaccurate test results caused by the unilateral force of the test component structure 1.

[0040] The climbing cone shear bearing capacity test device provided by the present invention can directly perform shear bearing capacity tests on the project site. Figure 3 As shown, the test component structure 1 provided in this embodiment includes a wall 13, an embedded cone 11, a connector 12, a climbing cone connector 14 and a climbing cone adapter. The embedded cone 11 is pre-embedded in the concrete wall 13, and is embedded in the middle position of the wall 13. The climbing cone adapter is arranged on the outer wall of the wall 13, and the connector 12 passes through the climbing cone adapter and the climbing cone connector 14 in sequence to form a bolt connection with the embedded cone 11. The climbing cone connector 14 fits the outer wall of the wall 13. The climbing cone adapter is a component that matches the internal structure of the embedded cone 11, and is generally fixed by a screw that passes through the climbing cone adapter and the embedded cone 11 to form a climbing cone anchoring system.

[0041] In this embodiment, the wall 13 is made of C40 strength concrete, with a length and height of 1400 mm and a thickness of 500 mm. The height of the embedded cone 11 is 600 mm from the bottom of the wall 13. It should be noted that the present invention does not limit the specific size of the test component structure 1, and those skilled in the art can select it according to actual conditions.

[0042] Figure 4The schematic diagram of the self-balancing connection device 3 provided in this embodiment includes a connection seat 31, a pull rod 32, a self-balancing connection device fixing member 33, a rear anchor beam 34, a pad 35 and a limit member 36.

[0043] In the device provided in this embodiment, the connection seat 31 is arranged on the upper surface of the wall 13 in the test component structure 1. In order to increase the stability of the overall structure, two sets of connection seats 31 are provided in this embodiment, and a steel pad 35 is provided at the contact point between the lower surface of the connection seat 31 and the upper surface of the wall 13. Figure 7 It should be noted that the connection seat 31 can be made of double-jointed channel steel or square steel pipe or other shaped steel.

[0044] like Figure 6 As shown, in order to ensure that the self-balancing connection device 3 can disperse the horizontal force as much as possible when the pressure device 2 provides a vertical upward shear force to the test component structure 1 below, the length of the connection seat 31 is set to be greater than the width of the wall 13 in the test component structure 1. A rear anchor beam 34 is set on the upper surface of the connection seat 31, and the arrangement direction of the rear anchor beam 34 is perpendicular to the length direction of the connection seat 31. In this embodiment, the rear anchor beam 34 can be made of two H16a channel steels, the opening directions of the two channel steels are set in opposite directions, and the gap between the webs of the two channel steels is used to pass the tie rod 32.

[0045] In the device provided in this embodiment, the tie rod 32 is arranged perpendicular to the test component structure 1. It should be noted that the lower end of the tie rod 32 needs to be pre-buried in the wall 13 of the test component structure 1, that is, the lower end of the tie rod 32 needs to be pre-buried before pouring the wall 13, and the depth of the lower end of the tie rod 32 is the same as the embedding depth of the pre-buried cone 11. The upper end of the tie rod 32 is threaded. The upper end of the tie rod 32 passes through the rear anchor beam 34 and is fixedly connected to the rear anchor beam 34 through the fixing member 33 of the self-balancing connection device.

[0046] In this embodiment, the fixing member 33 of the self-balancing connecting device adopts a cast steel nut, and a thread structure matching the thread on the upper end of the pull rod 32 is provided in the cast steel nut. The cast steel nut has high strength and good wear resistance, can withstand large tension and pressure, and can also be used for a long time in a high wear environment.

[0047] Figure 5The schematic diagram of the pressurizing device 2 provided for this embodiment includes a connecting rod 21, a lifting device 22, a pressurizing seat 23, a screw anchor plate 24 and a pressurizing device fixing part 25. The connecting rod 21 is arranged perpendicular to the test component structure 1, and the lower end of the connecting rod 21 is fixedly connected to the climbing cone connecting seat 14 in the test component structure 1 by full welding. The connecting rod 21 generally adopts a screw. It should be noted that the connecting rod 21 serves as a force transmission rod of the lifting device 22. The connecting rod 21 should be made of high-strength material and can withstand the expected maximum tensile force without yielding or breaking. Those skilled in the art can select a suitable connecting rod according to actual conditions.

[0048] In this embodiment, the pressure seat 23 is made of two H20a channel steels, and the gap between the webs of the two channel steels is used to pass the connecting rod 21. The pressure seat 23 is fixed on the upper surface of the connecting seat 31 and is parallel to the rear anchor beam 34. Figure 6 As shown, the pressure seat 23 is arranged at a relatively forward position of the connecting seat 31, and the rear anchor beam 34 is arranged at a relatively rearward position of the connecting seat 31. When the pressure device 2 is working, the force can be dispersed backward through the self-balancing connecting device 3 to achieve a self-balancing effect. In this embodiment, a limiter 36 is welded and fixed on the side of the lower surface of the connecting seat 31 close to the rear anchor beam 34, and one end of the limiter 36 is close to the surface of the wall 13, which plays a role in limiting the range of motion of the self-balancing connecting device 3 and ensuring safety. The limiter 36 and the connecting seat 31 can be made of H200×200 steel or other steel.

[0049] In the device provided in this embodiment, the upper end of the connecting rod 21 passes through the pressurizing seat 23 and the lifting device 22 in sequence, and is fixedly connected to the lifting device 22 through the pressurizing device fixing member 25. Since the connecting rod 21 generally adopts a screw rod, the pressurizing device fixing member 25 in this embodiment adopts a nut that matches the connecting rod 21. A screw anchor plate 24 is arranged between the pressurizing device fixing member 25 and the lifting device 22. The screw anchor plate can increase the stability of the connection point, prevent the nut from loosening due to high load and vibration, and also help to evenly disperse the stress between the nut and the screw rod, reduce local stress concentration, and avoid damage to the connecting member.

[0050] In this embodiment, the lifting device 22 includes a pressure sensor and a pressure display gauge. After the pressure sensor converts the pressure signal into an electrical signal, it is transmitted to the pressure display gauge through the circuit to display the pressure value. The lifting device 22 uses a hollow hydraulic jack, preferably a 1000kN jack as the main testing instrument. The main feature of the hollow hydraulic jack is that there is a hollow channel at the center position, and the connecting rod 21 as a force transmission rod can pass through the channel to provide vertical upward shear force to the climbing cone connecting seat 14 below the hollow hydraulic jack.

[0051] This embodiment also provides a test method using the above-mentioned climbing cone shear bearing capacity test device, and the specific steps are as follows:

[0052] S1: Deepen the drawing design. Design the drawings according to the requirements. The concrete strength, steel bar strength, diameter, quantity and spacing are designed equally according to the actual shear wall design of the project. The climbing cone connection seat adopts the same structure as the anchor tripod anchor end plate. To ensure the wrapping effect of the concrete, the wall 13 in the test component structure 1 is designed to be 1400mm×1400mm×500mm. The length of the connecting rod and the tie rod is guaranteed to be at least 200mm higher than the top bolt.

[0053] S2: Install the steel bars and formwork according to the design drawings, and position and embed the embedded cone 11 and the tie rod 32. After the embedding and fixing are completed, the wall 13 is cast with concrete. After the concrete is cured, a complete test component structure 1 is obtained. The tie rod 32 is set perpendicular to the test component structure 1, and the lower end of the tie rod 32 is embedded in the test component structure 1. The compressive strength of the wall 13 after curing is above 20MPa.

[0054] S3: At the embedded cone 11 pre-embedded in the test component structure 1, a climbing cone connection seat 14 and a climbing cone adapter matching the embedded cone 11 are placed in sequence, and the connecting member 12 passes through the climbing cone adapter, the climbing cone connection seat 14 and the embedded cone 11 in sequence to form a bolt connection. The climbing cone connection seat 14 is in contact with the outer wall of the wall 13, and the climbing cone adapter is arranged outside the climbing cone connection seat 14.

[0055] S4: The connecting rod 21 is arranged perpendicular to the test component structure 1, and the lower end of the connecting rod 21 is fixedly connected to the climbing cone connecting seat 14 by full welding.

[0056] S5: a connection seat 31 is arranged on the upper surface of the wall 13, and a pad 35 is arranged between the connection seat 31 and the upper surface of the wall 13. The connection seat 31 is arranged along the width direction of the wall 13, and the connection seat 31 is arranged between the pull rods 32.

[0057] S6: A rear anchor beam 34 is arranged on the upper surface of the connection seat 31, and the arrangement direction of the rear anchor beam 34 is perpendicular to the length direction of the connection seat 31. The rear anchor beam 34 is arranged on the front and rear sides of the pull rod 32, and the upper end of the pull rod 32 passes through the rear anchor beam 34 and is fixedly connected to the rear anchor beam 34 through the self-balancing connection device fixing member 33. A limiting member 36 is also welded and fixed on one side of the lower surface of the connection seat 31 close to the rear anchor beam 34, and one end of the limiting member 36 is close to the surface of the wall 13.

[0058] S7: A pressure seat 23 is arranged on both sides of the front and rear of the connecting rod 21, and the lifting device 22 passes through the upper end of the connecting rod 21 and is placed above the pressure seat 23. The upper end of the connecting rod 21 is fixedly connected to the lifting device 22 through the pressure device fixing member 25.

[0059] S8: Use the lifting device 22 to apply graded pressurization, and drive the climbing cone connecting seat 14 upward through the connecting rod 21, so that the climbing cone adapter and the embedded cone 11 generate upward shear force until the test component structure 1 is destroyed, record the pressure value displayed on the lifting device 22, and complete the climbing cone shear bearing capacity test.

[0060] The above-described embodiment is only a preferred solution of the present invention, but it is not intended to limit the present invention. A person skilled in the relevant technical field may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, any technical solution obtained by equivalent replacement or equivalent transformation falls within the protection scope of the present invention.

Claims

1. A climbing cone shear bearing capacity test device, It is characterized in that It comprises a test component structure (1), a pressurizing device (2) and a self-balancing connecting device (3); The self-balancing connection device (3) comprises a connection seat (31), a pull rod (32) and a rear anchor beam (34); the connection seat (31) is arranged on the upper surface of the test component structure (1); the rear anchor beam (34) is arranged on the upper surface of the connection seat (31), and the arrangement direction of the rear anchor beam (34) is perpendicular to the length direction of the connection seat (31); the pull rod (32) is arranged perpendicular to the test component structure (1), the lower end of the pull rod (32) is pre-buried in the test component structure (1), and the upper end of the pull rod (32) passes through the rear anchor beam (34) and is fixedly connected to the rear anchor beam (34) through a self-balancing connection device fixing member (33); The pressurizing device (2) comprises a connecting rod (21), a lifting device (22) and a pressurizing seat (23); the connecting rod (21) is arranged perpendicular to the test component structure (1), and the lower end of the connecting rod (21) is fixedly connected to a climbing cone connecting seat (14) in the test component structure (1); the pressurizing seat (23) is fixed to the upper surface of the connecting seat (31) and is parallel to the rear anchor beam (34); the upper end of the connecting rod (21) passes through the pressurizing seat (23) and the lifting device (22) in sequence, and is fixedly connected to the lifting device (22) via a pressurizing device fixing member (25); when the lifting device (22) provides a vertical upward shear force to the test component structure (1) below, the self-balancing connecting device (3) disperses the force in a horizontal direction to achieve self-balancing.

2. The climbing cone shear bearing capacity test device according to claim 1, It is characterized in that The test component structure (1) comprises a wall (13), an embedded cone (11), a connecting piece (12), a climbing cone connecting seat (14) and a climbing cone adapter; the embedded cone (11) is pre-embedded in the wall (13), the climbing cone adapter is arranged on the outer wall of the wall (13), the connecting piece (12) passes through the climbing cone adapter and the climbing cone connecting seat (14) in sequence to form a bolt connection with the embedded cone (11); the climbing cone connecting seat (14) is in contact with the outer wall of the wall (13).

3. The climbing cone shear bearing capacity test device according to claim 2, It is characterized in that The pressure seat (23) is made of two channel steels, and the gap between the webs of the two channel steels is used to pass the connecting rod (21); the rear anchor beam (34) is made of two channel steels, and the gap between the webs of the two channel steels is used to pass the tension rod (32).

4. The climbing cone shear bearing capacity test device according to claim 2, It is characterized in that The lower end of the tie rod (32) is pre-buried in the wall (13) of the test component structure (1) to a depth that is the same as the embedding depth of the pre-buried cone (11).

5. The climbing cone shear bearing capacity test device according to claim 2, It is characterized in that A plurality of pads (35) are provided at the contact point between the lower surface of the connection seat (31) and the upper surface of the test component structure (1); and a screw anchor plate (24) is provided between the pressure device fixing member (25) and the lifting device (22).

6. The climbing cone shear bearing capacity test device according to claim 2, It is characterized in that The length of the connecting seat (31) is greater than the width of the wall (13) in the test component structure (1), and a limiting member (36) is fixed on a side of the lower surface of the connecting seat (31) close to the pull rod (32).

7. The climbing cone shear bearing capacity test device according to claim 2, It is characterized in that The pressurizing device fixing member (25) is a nut, and the self-balancing connecting device fixing member (33) is a cast steel nut.

8. The climbing cone shear bearing capacity test device according to claim 2, It is characterized in that The lifting device (22) comprises a pressure sensor and a pressure display gauge. The pressure sensor converts a pressure signal into an electrical signal and transmits the signal to the pressure display gauge through a circuit to display a value. The lifting device (22) uses a hollow hydraulic jack.

9. The climbing cone shear bearing capacity test device according to claim 2, It is characterized in that The connecting seat (31) and the limiting member (36) are both made of H200×200 steel.

10. A test method using the climbing cone shear bearing capacity test device according to any one of claims 2 to 9, It is characterized in that The specific steps are as follows: S1: installing the steel bars and the formwork according to the design drawings, and positioning and pre-embedding the pre-embedded cone (11) and the tie rod (32); after the pre-embedding and fixing are completed, the wall (13) is cast with concrete; after the concrete is cured, a complete test component structure (1) is obtained; the tie rod (32) is arranged perpendicular to the test component structure (1), and the lower end of the tie rod (32) is pre-embedded in the test component structure (1); S2: A climbing cone connection seat (14) and a climbing cone adapter matching the embedded cone (11) are placed in sequence at the embedded cone (11) of the test component structure (1), and the connection piece (12) passes through the climbing cone adapter and the climbing cone connection seat (14) in sequence to form a bolt connection with the embedded cone (11); the climbing cone connection seat (14) is in contact with the outer wall of the wall (13), and the climbing cone adapter is arranged outside the climbing cone connection seat (14); S3: The connecting rod (21) is arranged perpendicular to the test component structure (1), and the lower end of the connecting rod (21) is fixedly connected to the climbing cone connecting seat (14) by full welding; S4: a connection seat (31) is provided on the upper surface of the wall (13), the connection seat (31) is arranged along the width direction of the wall (13), and the connection seat (31) is provided between the pull rods (32); S5: a rear anchor beam (34) is arranged on the upper surface of the connection seat (31), and the arrangement direction of the rear anchor beam (34) is perpendicular to the length direction of the connection seat (31); the rear anchor beam (34) is arranged on the front and rear sides of the pull rod (32), and the upper end of the pull rod (32) passes through the rear anchor beam (34) and is fixedly connected to the rear anchor beam (34) through a self-balancing connection device fixing member (33); S6: a pressurizing seat (23) is arranged on both sides of the front and rear of the connecting rod (21); the lifting device (22) passes through the upper end of the connecting rod (21) and is placed above the pressurizing seat (23); the upper end of the connecting rod (21) is fixedly connected to the lifting device (22) via a pressurizing device fixing member (25); S7: Using the lifting device (22) to apply pressure in stages, the climbing cone connection seat (14) is driven vertically upwards through the connecting rod (21), so that the climbing cone adapter and the embedded cone (11) generate a vertical upward shear force until the test component structure (1) is destroyed, and the pressure value displayed by the lifting device (22) is recorded to complete the climbing cone shear bearing capacity test.

Citation Information

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