Precast slab pile cylindrical foundation construction method easy to detect and bearing capacity detection method

A foundation construction and prefabricated slab technology, applied in foundation structure engineering, sheet pile wall, foundation structure test and other directions, can solve the problems of poor project economy, no direct measurement results of pile bearing capacity, etc., to achieve strong applicability, It is easy to promote and use, and the effect of improving the service life

Active Publication Date: 2022-02-01
HUANENG CLEAN ENERGY RES INST
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Problems solved by technology

[0003] The prefabricated sheet pile tubular foundation is a relatively new type of foundation. At present, referring to the test of the bearing capacity of the offshore wind turbine foundation and the test of the large-diameter cast-in-place pile foundation, both use the integrity and material properties of the pile body structure, and have no direct impact on the bearing capacity of the pile body. measurement results, while the economics of the project are poor

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  • Precast slab pile cylindrical foundation construction method easy to detect and bearing capacity detection method

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0027] The invention discloses an easy-to-detect construction method for prefabricated sheet pile tubular foundations, referring to figure 1 , including the following steps:

[0028] 1), qualification testing of raw materials;

[0029] The inspection of raw materials includes the entry inspection of prefabricated sheet piles and the entry inspection of grouting materials.

[0030] The entry inspection of prefabricated steel sheet materials includes the strength and quality of prefabricated sheet piles, the size and appearance of embedded steel sheets, the factory certificate of prefabricated sheet piles and the strength sampling inspection.

[0031] The detection of grouting materials includes factory certificate inspection, strength sampling inspection and mixture fluidity inspection of gr...

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Abstract

The invention relates to the technical field of wind power generation, in particular to a precast slab pile cylindrical foundation construction method easy to detect and a bearing capacity detection method. The construction method comprises the steps that the detection of the qualification of raw materials is carried out; (2) the prefabricated plate pile cylindrical foundation is constructed through the raw materials which are detected to be qualified according to the design; and (3) an underground beam is constructed. According to the construction method of the precast slab pile cylindrical foundation, the underground beam is added to simplify the steps and method for detecting the bearing capacity of the precast slab pile cylindrical foundation, the underground beam can provide counter force for the precast slab pile cylindrical foundation during horizontal detection, and therefore the difficulty and cost of detecting the bearing capacity of the precast slab pile cylindrical foundation are reduced; and meanwhile, the underground beam further increase the strength of the prefabricated plate pile cylindrical foundation, and the service life of the prefabricated plate pile cylindrical foundation is prolonged.

Description

technical field [0001] The invention relates to the field of wind power generation technology, in particular to an easily detectable prefabricated sheet pile tubular foundation construction method and a bearing capacity detection method. Background technique [0002] Prefabricated sheet pile cylindrical foundation, using prefabricated sheet piles to form a cylindrical foundation by grouting at contact points, with a diameter exceeding 10m. [0003] The prefabricated sheet pile tubular foundation is a relatively new type of foundation. At present, referring to the test of the bearing capacity of the offshore wind turbine foundation and the test of the large-diameter cast-in-place pile foundation, both use the integrity and material properties of the pile body structure, and have no direct impact on the bearing capacity of the pile body. Measurement results, while the economics of the project are poor. Contents of the invention [0004] Aiming at the problems existing in th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00E02D5/10E02D27/44E02D27/52
CPCE02D33/00E02D5/10E02D27/44E02D27/52
Inventor 邓明基张立英高建辉
Owner HUANENG CLEAN ENERGY RES INST
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