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Construction method of secant pile cylindrical foundation and bearing capacity detection method thereof

A technology for a cylindrical foundation and a construction method, which is applied in basic structure engineering, basic structure testing, sheet pile walls, etc. The effect of construction safety and use safety, cost saving and construction period, and cost saving

Pending Publication Date: 2022-02-25
HUANENG CLEAN ENERGY RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Occlusion pile cylindrical foundation, using drilled occlusal concrete pipe piles to form a cylindrical foundation, with a diameter of more than 10m, it is currently difficult to meet the economic and feasibility of the overall bearing capacity test, while the traditional construction quality inspection is very difficult Difficult to meet engineering safety requirements

Method used

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  • Construction method of secant pile cylindrical foundation and bearing capacity detection method thereof

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Embodiment Construction

[0029] 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.

[0030] A construction method for an occlusal pile tubular foundation, comprising the following steps:

[0031] 1) Qualification testing of raw materials;

[0032] The inspection of raw materials includes the entry inspection of reinforced concrete materials and the entry inspection of grouting materials.

[0033] The entry inspection of reinforced concrete materials includes the strength and quality of concrete, the quality and appearance of steel bars, the factory certificate of steel bar piles and the strength sampling test.

[0034] The detection of grouting materials includes factory certificate inspection, strength sampling inspection and mixture fluidity inspection of grouting materials.

[0035] 2) Use the qualified raw materials to construct the test pile, and the test pile is const...

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Abstract

The invention relates to the technical field of wind power generation, in particular to a construction method of a secant pile cylindrical foundation and a bearing capacity detection method thereof. The construction method comprises the steps that: 1) qualification detection of the raw material is performed; 2) the qualified raw materials are used for construction of a test pile, and the test pile is designed in the mode of combining finite element calculation and an engineering algorithm; and 3) on the premise that the test pile is safe, construction of an engineering pile is performed. The construction method of the secant pile cylindrical foundation is easy to operate, preliminary test pile detection is conducted in the construction process, the test pile is designed through an engineering algorithm and finite element calculation, the safety of the test pile is improved, errors and inconvenience generated by direct complete construction can be reduced, and therefore, the construction safety is improved.

Description

technical field [0001] The invention relates to the field of wind power generation technology, in particular to a construction method of an interlocking pile tubular foundation and a bearing capacity detection method thereof. Background technique [0002] Occlusion pile cylindrical foundation, using drilled occlusal concrete pipe piles to form a cylindrical foundation, with a diameter of more than 10m, it is currently difficult to meet the economic and feasibility of the overall bearing capacity test, while the traditional construction quality inspection is very difficult Difficult to meet engineering safety requirements. Contents of the invention [0003] Aiming at the problems existing in the prior art, the present invention provides a construction method of an interlocking pile tubular foundation and a method for detecting its bearing capacity. [0004] The present invention is achieved through the following technical solutions: [0005] A construction method for an o...

Claims

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Application Information

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IPC IPC(8): E02D33/00E02D5/34
CPCE02D33/00E02D5/34
Inventor 邓明基张立英高建辉
Owner HUANENG CLEAN ENERGY RES INST
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