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Secant pile construction method and reinforcing structure

A construction method and technology of occlusal piles, which are applied in basic structure engineering, drilling equipment and methods, and excavation, etc., can solve the problems that the construction technology does not meet the construction period, site, and geology.

Inactive Publication Date: 2021-07-09
CHINA RAILWAY 19TH BUREAU GRP 3RD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] When the geology is mainly composed of medium weathered rock siltstone, strongly weathered siltstone, cohesive soil gravel, cohesive soil, and miscellaneous fill, the conventional construction technology does not meet the requirements of construction period, site, and geology

Method used

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  • Secant pile construction method and reinforcing structure
  • Secant pile construction method and reinforcing structure
  • Secant pile construction method and reinforcing structure

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Embodiment Construction

[0037] In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other.

[0038] In the following description, many specific details are set forth in order to fully understand the present disclosure, but the present disclosure can also be implemented in other ways than described here; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, and Not all examples.

[0039] combine figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Figure 6 As shown, the construction method of the occlusal pile provided by the embodiment of the present disclosure includes the following steps: Step S1, construction preparation: remove construction waste, tree r...

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Abstract

The invention relates to the technical field of building construction, in particular to a secant pile construction method and a reinforcing structure. The secant pile construction method comprises the following steps that S1, construction preparation is conducted; S2, a first plain concrete pile is constructed to form an A1 pile; S3, a second plain concrete pile is constructed to form an A2 pile; S4, a first reinforced concrete pile is constructed to form a B1 pile, and the B1 pile is arranged in a secant mode with the A1 pile and the A2 pile; S5, the step S3 is repeated to form a pile A3, the step S4 is repeated to form a pile B2, and the pile B2 is arranged in a secant mode with the pile A2 and the pile A3; S6, the step S5 is repeated, and the construction sequence of all the piles is A1-A2-B1-A3-B2-A4-B3-A5-B4-... An-Bn till secant pile construction is completed; and S7, guide wall construction is conducted. The secant pile construction method is suitable for geology such as moderately-weathered siltstone, strongly-weathered siltstone, cohesive soil, silty soil, sandy soil and artificial filling soil.

Description

technical field [0001] The present disclosure relates to the technical field of building construction, in particular to a construction method and reinforcement structure of an occlusal pile. Background technique [0002] With the continuous growth of the domestic economy, cities are developing towards high altitudes, urban transportation is developing into multi-level and three-dimensional development, and the subway rail transportation industry is deeply plowing the ground. Following the needs of the development of the times, the technical requirements are getting higher and higher, and the effective super large deep foundation pit support structure is particularly important for cities with many tall buildings, heavy traffic, and every inch of land. [0003] The full-casing long helical drilling air pressure reverse circulation pressure grouting occlusal pile realizes the integration of hole forming, wall protection and pouring, and does not need to be connected to the wall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/38E02D15/04E02D19/18E02D5/18E02D17/04E21B3/02
CPCE02D5/385E02D15/04E02D19/18E02D5/18E02D17/04E21B3/02E02D2250/003
Inventor 赵立财
Owner CHINA RAILWAY 19TH BUREAU GRP 3RD
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