Pile head protective device for concrete cast in-situ pile experiment
A protection device and a technology for cast-in-place piles, which are used in the testing of foundation structures, sheet pile walls, buildings, etc., can solve the problems of pile head damage and complicated construction operation process, and achieve good pile head protection, quick installation, and simple production. Effect
Inactive Publication Date: 2017-09-05
核工业井巷建设集团有限公司
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Problems solved by technology
However, in the actual application of this technical solution, the damage of the pile head still occurs, and the construction operation process is relatively complicated
Method used
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[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0022] Such as figure 1 , figure 2 As shown, this embodiment includes a circular steel cover plate 1 and two steel pipe sleeves 2 arranged in mirror image; The second slot 4 of the centerline axis of the circular steel cover plate 1, the second slot 4 at the same end of the steel pipe sleeves 2 on both sides are connected to form an annular sleeve 5 through a steel baffle plate 12, and the circular steel cover plate 1 and the annular sleeve 5 Cooperate with the block on the inner side of the annular steel cover plate for positioning through the first clamping groove 3, and fixedly connect it with the fixing bolt 6; at least two grout holes for slurry release and vibration are opened on the circular steel cover plate 1 7. The axial centerline of the grout hole 7 is parallel to the axial centerline of the steel pipe sleeve 2. The connection position between...
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A pile head protective device for a concrete cast in-situ pile experiment is disclosed. The pile head protective device for the concrete cast in-situ pile experiment is characterized in that the pile head protective device comprises a round steel cover plate and two steel pipe sleeves, wherein the two steel pipe sleeves are arranged in a mirrored mode; first clamping grooves are formed in the round steel cover plate, second clamping grooves perpendicular to the centerline axis of the round steel cover plate are formed in the two ends of each steel pipe sleeve correspondingly, the second clamping grooves in the same ends of the steel pipe sleeves on the two sides are connected to form an annular pipe sleeve through steel baffles, the round steel cover plate and the annular pipe sleeve are positioned in a matching mode through the first clamping grooves and clamping blocks at the inner side of the round steel cover plate, and fixedly connected through fixing bolts; and at least two grout discharging holes used for discharging grout and vibrating are formed in the round steel cover plate, and the axial centerlines of the grouting holes are parallel to the axial centerlines of the steel pipe sleeves. The pile head protective device has the advantages that the manufacturing is simple, the installation is rapid and convenient, and the good pipe head protection can be achieved.
Description
technical field [0001] The invention relates to the field of auxiliary devices for civil engineering construction, in particular to a pile head protection device for a concrete pouring pile test. Background technique [0002] When the concrete pouring pile is subjected to the vertical static load test, the load is concentrated on the pile head, and the uneven force on the pile head is often caused by the uneven pile head, so that the concrete pouring pile often appears in the process of pile test in the project. Partial damage to the pile head occurred. At present, there is a method of assembling steel mesh sheets or steel circular hoop plates at the pile head, but the pile head damage still occurs, and the construction operation process is relatively complicated. [0003] Another example is a Chinese utility model patent with the publication number CN 204662520U, which discloses a static load test pile head protection device for cast-in-place concrete piles, which belongs ...
Claims
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IPC IPC(8): E02D33/00E02D5/34
CPCE02D5/34E02D33/00
Inventor 彭秋波申永江丁健陈开华徐先锋
Owner 核工业井巷建设集团有限公司