Construction method for deviation rectification of open caisson

A construction method and caisson technology, applied in the field of caisson deviation correction, can solve problems such as overcorrection, delayed construction period, and inadequate caisson deviation correction, and achieve accurate deviation correction, short construction time, and good deviation correction effect.

Pending Publication Date: 2022-04-12
CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD +1
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Problems solved by technology

[0004] The embodiment of the present invention provides a construction method for caisson deviation correction to solve the technical problem that the exist

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  • Construction method for deviation rectification of open caisson
  • Construction method for deviation rectification of open caisson
  • Construction method for deviation rectification of open caisson

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[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0045] The basis for judging the sinking of conventional caissons is the sinking coefficient, but the sinking coefficient is an overall index, which is mainly used to reflect the overall sinking amount of the caisson. When the caisson has a large inclination and requires unilateral subsidence to achieve the purpose of deviation correction, th...

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Abstract

The invention discloses a construction method for deviation rectification of an open caisson, and relates to the technical field of deviation rectification of the open caisson, the construction method comprises the following steps: step S10, determining the number of soil sampling well holes and the soil sampling depth corresponding to each soil sampling well hole according to the actual deviation rectification amount of the open caisson, a preset first stress coefficient interval and a preset second stress coefficient interval; and S20, deviation rectification is conducted on the open caisson according to the determined number of the soil sampling well holes and the soil sampling depth corresponding to each soil sampling well hole. The method comprises the steps that firstly, the number of soil sampling well holes and the soil sampling depth corresponding to each soil sampling well hole are determined according to the actual open caisson deviation correction amount, a preset first stress coefficient interval and a preset second stress coefficient interval; and correcting the deviation of the open caisson according to the determined number of the soil sampling well holes and the soil sampling depth corresponding to each soil sampling well hole. The deviation rectifying effect is good, stable and accurate deviation rectifying of the open caisson in the large water area deep soft soil foundation environment can be achieved, and the construction time is short.

Description

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Claims

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Application Information

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Owner CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD
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