Hollow wedge-shaped steel gasket device and waist beam anchoring device

Abstract

The utility model relates to a hollow wedge-shaped steel gasket device which comprises a steel plate and two wedge-shaped base plates, the two wedge-shaped base plates are vertically and symmetrically arranged on the steel plate, and a hole is formed in the steel plate between the two wedge-shaped base plates. The device is used for the connecting part of the foundation pit supporting anchor cable and the waist beam, and ensures that the anchoring section of the anchor cable is vertically stressed.

Description

Technical Field

[0001] This utility model relates to the field of construction, specifically a hollow wedge-shaped steel gasket device and a waist beam anchoring device. Background Technology

[0002] Traditional solid wedge-shaped steel pads are made by stacking pre-made wedge-shaped steel pads or pre-made pad blocks, or by welding steel plates. Pre-made wedge-shaped steel pads need to be specially processed according to the design drawings of the foundation pit support. After the support project is completed, they are difficult to reuse, and the processing and manufacturing costs are high, making them uneconomical for use as temporary structures. Pre-made pad blocks or steel plates are not easy to fix firmly before applying prestress. After processing, they are heavy, making on-site installation troublesome and requiring high physical strength from workers. The weight of each pad also makes it difficult to install accurately, thus affecting the construction quality. The large amount of steel used increases material costs. Using them for temporary foundation pit support projects will increase costs and waste resources, which is not conducive to cost savings. Summary of the Invention

[0003] The present invention aims to overcome the defects of the prior art and provide a hollow wedge-shaped steel gasket device and a waist beam anchoring device to solve the problems of difficult processing and high cost of wedges.

[0004] To solve the above-mentioned technical problems, this utility model is implemented as follows:

[0005] A hollow wedge-shaped steel gasket device is characterized in that it comprises a steel plate and two wedge-shaped gaskets, the two wedge-shaped gaskets being vertically symmetrically arranged on the steel plate, and a hole being formed in the steel plate between the two wedge-shaped gaskets.

[0006] The hollow wedge-shaped steel gasket device is characterized in that the thickness of the wedge-shaped gasket and the steel plate is 20mm.

[0007] The hollow wedge-shaped steel gasket device is characterized in that: the wedge-shaped gasket is a direct triangle, with its long right-angled side welded to a steel plate.

[0008] The hollow wedge-shaped steel gasket device is characterized in that: the two wedge-shaped gaskets are respectively welded to the steel plate at a distance of 20mm inward from the edge.

[0009] The hollow wedge-shaped steel gasket device is characterized in that the length and width of the steel plate are the same.

[0010] A wainscoting anchoring device based on the aforementioned hollow wedge-shaped steel gasket device, comprising a wainscoting beam, stiffening plates installed on both sides of the wainscoting beam, an anchor head bearing plate at the top of the wainscoting beam, a wedge anchor at the top of the bearing plate, a steel strand with an HDPE pipe passing through the wedge anchor, the anchor head bearing plate, the center of the wainscoting beam, and the retaining pile, and a grout stopper sleeved on the HDPE pipe; characterized in that: the hollow wedge-shaped steel gasket device is located between the wainscoting beam and the retaining pile, and by adjusting the position and angle of the hollow wedge-shaped steel gasket device, the wedge-shaped gaskets on both sides of the hollow wedge-shaped steel gasket device and the stiffening plate of the wainscoting beam are aligned in a straight line.

[0011] The beneficial effects of this utility model are as follows: As can be seen from the above technical solution, this application provides a hollow wedge-shaped steel gasket device and a waist beam anchoring device. This application can replace the traditional solid wedge-shaped steel gasket, reduce project costs, improve construction efficiency, and shorten the construction period. It is used for the transmission of force between the waist beam and the support surface in the pile anchor support structure. It can speed up the construction progress, reduce costs, reduce weight, and make construction more convenient while meeting the stress requirements. Attached Figure Description

[0012] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0013] Figure 1 This is a schematic diagram of the structure of this application;

[0014] Figure 2 for Figure 1 Side view;

[0015] Figure 3 for Figure 2 C-axis view;

[0016] Figure 4 This is a schematic diagram of the waist beam anchorage device. Detailed Implementation

[0017] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection claimed in this application.

[0018] like Figure 1-3As shown: A hollow wedge-shaped steel gasket device includes a steel plate 1 and two wedge-shaped gaskets 3. The two wedge-shaped gaskets are vertically symmetrically arranged on the steel plate, and a hole 2 is opened in the steel plate between the two wedge-shaped gaskets. The thickness of the wedge-shaped gaskets and the steel plate is 20mm. The wedge-shaped gaskets are straight triangles, and their long right-angled sides are welded to the steel plate. The two wedge-shaped gaskets are respectively welded to the edge of the steel plate 20mm inward. The length and width of the steel plate are the same.

[0019] like Figure 4 As shown: A waist beam anchoring device based on the above-mentioned hollow wedge steel gasket device, the waist beam anchoring device includes a waist beam 9, stiffening plates 4 installed on both sides of the waist beam, an anchor head bearing plate 5 at the top of the waist beam, a wedge anchor 6 at the top of the bearing plate, a steel strand 7 with HDPE pipe passing through the wedge anchor, the anchor head bearing plate, the center of the waist beam and the retaining pile, and a grout stop plug 12 sleeved on the HDPE pipe 13 for sealing the grouting liquid 10; the hollow wedge steel gasket device 8 is set between the waist beam and the retaining pile 11, and by adjusting the position and angle of the hollow wedge steel gasket device, the wedge-shaped gaskets on both sides of the hollow wedge steel gasket device and the waist beam stiffening plate are aligned in a straight line.

[0020] The specific operational steps for this application are as follows:

[0021] Prepare a 20mm thick steel plate of the same length as the wedge-shaped steel pad required by the drawing, and name it the wedge-shaped pad; prepare a 20mm thick steel plate of the same length and width as the wedge-shaped steel pad required by the drawing, and name it the steel plate.

[0022] Cut the steel plate one into right-angled triangles according to the tilt angle required by the drawing, and name them wedge pads. Each steel plate two and two wedge pads together form a set of hollow wedge steel pads.

[0023] Weld a wedge-shaped pad to the steel plate at a distance of 20mm from the inside of the same long side, with the long right-angled side of the wedge-shaped pad attached. Weld another wedge-shaped pad to the steel plate at the same position on the other opposite side.

[0024] After welding is completed, the weld quality is inspected to form a hollow wedge-shaped steel backing plate.

[0025] During the installation of hollow wedge-shaped steel pads, the wedge-shaped pads and the upper waist beam stiffening plates are aligned in a straight line to ensure that the force transmission is not eccentric.

[0026] The length and width of the anchor head bearing plate at the top of the waist beam are consistent with the vertical projection length and width of the hollow spliced ​​wedge-shaped steel pad plate, and the center is aligned to ensure that the force transmitted by the anchor head can be evenly transmitted to the hollow wedge-shaped steel pad plate.

[0027] During the installation of the anchor head, the position and angle of the hollow wedge steel pad are adjusted in real time to ensure that the wedge pads on both sides of the hollow wedge steel pad are in a straight line with the waist beam stiffening plate, and that the hollow wedge steel pad and the anchor head bearing plate coincide on the same projection plane.

[0028] Finally, the prestressed anchor cables are anchored, the prestress value is tested, and monitoring is strengthened during the process.

[0029] Installation steps of the waist beam anchorage system: Hollow wedge steel pad fabrication (material preparation → on-site welding → weld inspection →) Installation of hollow wedge steel pad → Fabrication of waist beam (including waist beam stiffening plate, top gusset plate, and bottom gusset plate) according to drawings and on-site layout → Positioning and installation of waist beam → Prestressing tensioning → Installation of wedge anchorage → Inspection.

[0030] The technical solution of this patent has been applied in the Qilihe Urban Renewal Project in Jianxi District, Luoyang City. Compared with traditional wedge-shaped steel plates, it can reduce material usage, lower project costs, speed up construction, reduce construction difficulty, and shorten the construction period. It greatly reduces the problems caused by the heavy weight of traditional wedge-shaped steel plates, such as difficulty in controlling the installation position and long installation and adjustment time. It also significantly reduces the phenomenon of uneven stress on the waist beam and uneven force transmission of the anchor cable caused by unreasonable installation position, improves the construction quality of prestressed anchor cables, and reduces safety hazards.

[0031] This application effectively solves the shortcomings of traditional solid wedge steel pads, such as large weight, large material consumption, inconvenient on-site operation, and low construction efficiency. Compared with traditional solid wedge steel pads, it is lighter, uses less material, is more convenient to construct on-site, and has a faster construction speed. After on-site verification, it can meet the force transmission requirements of anchor cables and waist beams, and achieve the effect of stabilizing the retaining structure.

[0032] The above are merely embodiments provided in this application and are not intended to limit this application. Although this application has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A hollow wedge-shaped steel gasket device, characterized in that: It comprises a steel plate and two wedge-shaped pads, the two wedge-shaped pads being vertically symmetrically arranged on the steel plate, with a hole opened in the steel plate between the two wedge-shaped pads; the thickness of the wedge-shaped pads and the steel plate is 20mm; the wedge-shaped pads are straight triangles, with their longer right-angled sides welded to the steel plate; the two wedge-shaped pads are respectively welded 20mm inward from the edge of the steel plate; the length and width of the steel plate are the same.

2. A waist beam anchoring device based on the above-mentioned hollow wedge-shaped steel gasket device, the waist beam anchoring device comprising a waist beam, stiffening plates installed on both sides of the waist beam, an anchor head bearing plate at the top of the waist beam, a wedge anchor at the top of the bearing plate, a steel strand with an HDPE pipe passing through the wedge anchor, the anchor head bearing plate, the center of the waist beam and the retaining pile, and a grout stopper sleeved on the HDPE pipe; characterized in that: The hollow wedge-shaped steel shim device is installed between the waist beam and the retaining pile. By adjusting the position and angle of the hollow wedge-shaped steel shim device, the wedge-shaped shims on both sides of the hollow wedge-shaped steel shim device and the waist beam stiffening plate are aligned in a straight line.

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