Stress anchoring end structure for sluice pier

Abstract

The invention discloses a stress anchoring end structure for a sluice pier. The structure comprises a stress anchor cable (4), wherein an anchoring end pressure bearing steel plate (5) is arranged at one end part of the stress anchor cable (4), and a group of grid pressure bearing reinforcing meshes (1) is arranged on the side, provided with the anchor cable, of the anchoring end pressure bearing steel plate (5). The structure adapts to the requirements of a direct burial type anchoring structure and solves the partial stress concentration problem of the direct burial type anchoring structure. The pressure resistance and the bearing capability of anchoring ends are improved, and the secondary pulling stress of the anchoring ends can be effectively scattered. The layout problem of reinforcing steel bars (2) diffused in a fan shape is successfully solved through the application of auxiliary steel plates (3). As the long and short inner anchoring ends of the direct burial type stress anchor cable are arranged in a staggered way, favorable conditions are created for the integral assembly of the direct burial type anchoring end structure. Meanwhile, mutual interference between adjacent anchoring ends is avoided, and the reliability of the anchoring structure is ensured.

Description

technical field [0001] The invention relates to a prestressed anchorage end structure of a gate pier, which belongs to the technical field of construction of flood discharge gate piers. Background technique [0002] In hydraulic discharge structures, with the continuous increase of flood discharge scale, gate size and water thrust, prestressed pier technology has been widely used. The anchorage structure of the inner anchorage end of the prestressed anchor cable of the gate pier directly affects the effect of the prestressed gate pier. How to effectively anchor the inner anchorage end and prevent stress concentration is the key to the prestressed anchorage structure of the gate pier. [0003] The traditional prestressed anchorage structure of gate piers adopts the method of reserved holes. In order to solve the stress concentration around the reserved holes, corresponding steel bars are configured. With the continuous improvement of construction technology, the direct-burie...

AI Technical Summary

Problems solved by technology

The direct buried anchor structure also has the problem of local stress concentration. If there is no reliable direct buried anchor structure, the inner anchor head will produce stress concentration, which will cause hidden dangers to the safety of the pier structure

The traditional local pressure-bearing reinforcement at the anchorage end uses a platform-type steel mesh. Because the anchoring ends of the anchor cables are relatively concentrated and the construction work area is relatively narrow, it is extremely difficult to implement the platform-type steel mesh. There will be mutual cross-interference problems, and its effect cannot be fully exerted

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