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Continuous steel wall and method for constructing same

A construction method and continuous wall technology, which can be used in excavation, artificial islands, water conservancy projects, etc., and can solve problems such as increased section performance.

Active Publication Date: 2014-04-09
NIPPON STEEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] On the other hand, even if the steel sheet pile and reinforcement are not completely integrated by full-length welding, as long as the steel sheet pile and reinforcement act as a so-called composite beam, the cross-sectional performance will be lower than that of the case of only the steel sheet pile. rise

Method used

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  • Continuous steel wall and method for constructing same
  • Continuous steel wall and method for constructing same
  • Continuous steel wall and method for constructing same

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Embodiment Construction

[0042] Embodiments of the present invention will be described below with reference to the drawings.

[0043] figure 1 The steel continuous wall 1 shown has the structure which contacted the steel sheet pile 2 and the H-shaped steel 3, without joining the hat-shaped steel sheet pile 2 and the H-shaped steel 3 which are reinforcements integrally.

[0044] As is well known, the hat-shaped steel sheet pile 2 includes a web 21 , flanges 22 provided obliquely so that the front ends of the web 21 extend from the left and right ends of the web 21 , and the front ends of the flanges 22 are parallel to the web 21 . The arm 23 extending ground and the joint (not shown) provided at the front end portion of the arm 23 . In addition, the joint is, for example, a well-known structure in which it is bent and folded back at intervals on the inner peripheral side. In addition, the left and right joints are folded back in opposite directions, and the opposite joints are fitted together.

[0...

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Abstract

Disclosed are a continuous steel wall and a construction method therefor whereby steel sheet piles and stiffeners can reliably be put in contact with each other even if the steel sheet piles and stiffeners are driven into the ground separately. In said construction method, a first guide member (24) that fits around an H-shaped steel stiffener (3) is provided at the bottom end of a steel sheet pile (2) so as to be able to move in the long direction of the H-shaped steel stiffener (3). Also, a second guide member (33) is provided at the bottom end of the H-shaped steel stiffener (3) so as to be able to move in the long direction of another steel sheet pile (2a), driven in prior to and next to the steel sheet pile (2) that the H-shaped steel stiffener (3) contacts. By fitting around the previously-driven steel sheet pile (2a), the second guide member (33) fixes the position of the H-shaped steel stiffener (3) with respect to the previously-driven steel sheet pile (2a). By having the second guide member (33) fit around the previously-driven steel sheet pile (2a), the H-shaped steel stiffener (3) can be driven into the ground positioned and guided by the previously-driven steel sheet pile (2a). Next, the first guide member (24) is fitted around the already-driven H-shaped steel stiffener (3), allowing the next steel sheet pile (2) to be driven into the ground guided by the H-shaped steel stiffener (3).

Description

technical field [0001] The present invention relates to steel sheet piles connected with steel sheet piles used in retaining walls for preventing sand and earth from collapsing in civil engineering works, walls of underground structures, revetments or bank walls of rivers or harbors, revetments of road works, etc. The construction method of continuous wall and steel continuous wall. Background technique [0002] In the field of civil engineering and construction, steel sheet piles are generally used as steel materials for underground continuous walls used for retaining walls, river revetments, and road retaining walls to prevent sand and soil from collapsing. Such steel sheet piles include linear steel sheet piles, U-shaped steel sheet piles, Z-shaped steel sheet piles, hat-shaped steel sheet piles, and box-shaped steel sheet piles (a box-shaped structure in which two U-shaped steel sheet piles are integrated by welding). For the purpose of improving the cross-sectional per...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/04E02D17/04E02D29/02
CPCE02D5/06
Inventor 龟山彰久永尾直也田中宏征西山辉树冈本政信
Owner NIPPON STEEL CORP
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