Device for detecting side friction of steel pipe pile and construction method

A technology of side friction resistance and construction method, which is applied in the direction of sheet pile wall, foundation structure engineering, foundation structure test, etc., can solve the problems of poor construction safety, affecting the bearing force and acquisition of steel pipe piles, etc., and achieves simple construction operation , Simple structure, intuitive detection effect

Pending Publication Date: 2021-03-02
CCCC SHEC FIRST HIGHWAY ENG
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Problems solved by technology

[0003] The object of the present invention is to provide a device and construction method for detecting the side friction of steel pipe piles, so as to solve the influence of the steel pipe piles mentioned in the prior art by the environment, especially the side friction of offshore steel pipe piles, It is difficult to obtain from the theory, which seriously affects the bearing force of steel pipe piles and poor construction safety.

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  • Device for detecting side friction of steel pipe pile and construction method
  • Device for detecting side friction of steel pipe pile and construction method
  • Device for detecting side friction of steel pipe pile and construction method

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Embodiment Construction

[0037] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0038] In the description of the present invention, it should be understood that the terms "centre, transverse, longitudinal, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside, outside" etc. indicate directions or The positional relationship is based on the attached figure 1 The orientations or positional relationships shown are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the refe...

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Abstract

The invention belongs to the technical field of civil engineering construction, and particularly relates to a device for detecting the side friction of a steel pipe pile and a construction method. Thedevice comprises a pile side bracket arranged on the steel pipe pile, a stress platform is arranged below the pile side bracket, a force transmission device is connected between the stress platform and the pile side bracket, and at least one buoyancy airbag is arranged below the stress platform. The construction method comprises the steps that ultimate uplift force is observed and reached througha displacement sensor, then a numerical value of a dynamometer is observed, the actual ultimate side friction value is calculated through the numerical value measured by the dynamometer, the actual ultimate side friction value is compared with a theoretically calculated ultimate side friction standard value, and whether the steel pipe pile can be safely constructed or not is judged. The detectiondevice is simple in structure, can visually perform detection, is simple and convenient in construction operation, and can effectively detect the actual limit side friction.

Description

technical field [0001] The invention belongs to the technical field of civil engineering construction, and in particular relates to a device and a construction method for detecting side friction resistance of steel pipe piles. Background technique [0002] Pile side friction is used as the core problem of pile foundation design, and its bearing capacity is mainly borne by pile side friction. In existing designs, pile side friction is calculated. However, in practical applications, due to the environment The impact of pile side friction is obvious, especially the side friction of offshore steel pipe piles, which is difficult to obtain from theory. If it is only calculated, it will seriously affect the bearing force of the steel pipe pile, making the construction safety poor. Contents of the invention [0003] The object of the present invention is to provide a device and construction method for detecting the side friction of steel pipe piles, so as to solve the influence o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00E02D5/28E02D27/52
CPCE02D5/285E02D27/52E02D33/00E02D2250/0084E02D2600/10
Inventor 周彬王帅郑锦奎卢丙嘉
Owner CCCC SHEC FIRST HIGHWAY ENG
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