Cross pile foundation structure and construction method thereof
A technology of a cross-shaped pile and a construction method, applied in basic structure engineering, construction and other directions, can solve the problems of high production cost, difficult hoisting, damage to the main structure of the structure, etc., to achieve controllable construction period, reduce construction difficulty, and avoid collision damage. Effect
Pending Publication Date: 2020-08-11
GUANGZHOU DI ER CONSTR & ENG CO LTD
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Problems solved by technology
Using the prefabricated method, although the prefabricated splicing parts can be flexibly configured to save the construction period; however, the prefabricated spliced concrete foundation has a large weight and requires high performance of the lifting machinery, which may cause damage to the main structure during lifting and transportation
[0006] Therefore, the pile foundation in the prior art is easily restricted by the application environment, and there are problems of large foundation size, high manufacturing cost, and difficult hoisting
Method used
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Embodiment 1
[0035] Such as Figure 1-3 As shown, a cross-shaped pile foundation structure is provided in this embodiment, which mainly includes a pile foundation cap 1 and several engineering piles 2 .
[0036] The pile cap 1 is arranged in a cross shape, and includes outriggers 11 protruding in four directions, and the cross section of the outriggers 11 is in the shape of "back". The support leg 11 includes an upper row of reinforcement bars 111 arranged on the top of the support leg 11, a lower row of reinforcement bars 112 arranged at the bottom of the support leg 11, and surrounding the upper row of reinforcement bars 111 and the lower row of reinforcement bars 112. Stirrups 113 are set; as a preferred solution, the upper row of steel bars 111 and the lower row of steel bars 112 are symmetrical and set to 5φ25, and the stirrups 113 are set to φ8@100. Waist bars are arranged between the upper row of reinforcement bars 111 and the lower row of reinforcement bars 112 .
[0037] Further...
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The invention provides a cross pile foundation structure. The cross pile foundation structure comprises a pile foundation bearing platform and multiple engineering piles, the pile foundation bearing platform is in a cross shape, and comprises supporting legs which extend out in the four directions, the cross sections of the supporting legs are in double-square shapes, the pile foundation bearing platform is subjected to post pouring on the top end faces of the engineering piles by the concrete, the bottom end faces of the four supporting legs are connected with the engineering piles, the top end faces of the pile foundation bearing platform are provided with multiple embedding parts allowing a lifting appliance to be connected and fixed, the invention further provides a construction methodof the cross pile foundation structure, the influence of the application environment on the pile foundation structure can be effectively reduced, the manufacturing cost is low, and erecting is easy.
Description
technical field [0001] The invention belongs to the technical field of foundation engineering construction, and in particular relates to a cross-shaped pile foundation structure and a construction method thereof. Background technique [0002] In the prior art, the basic structure of hoisting machinery has the following three structural forms: [0003] 1. Square foundation. As shown in the tower crane anchor static pressure pile foundation disclosed in the document whose application number is 200820065905.7 and the application date is March 11, 2008; however, the traditional square foundation has a large volume and heavy weight. The additional pressure generated by the self-weight of the foundation on the foundation will have an adverse effect on the bearing layer of the foundation. Therefore, when there are unfavorable geological environments such as thick weak soil layers and shallow buried depths of weak underlying layers in the foundation, the traditional square foundati...
Claims
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IPC IPC(8): E02D27/42E02D27/44E02D27/14E02D19/06E02D19/22
CPCE02D19/06E02D19/22E02D27/14E02D27/42E02D27/44E02D2250/0023
Inventor 胡小铭罗仲亚林之望张伟康李朝宇杨尚桦李锦彬赖锦辉陈旗黄沛强
Owner GUANGZHOU DI ER CONSTR & ENG CO LTD