Invention Grant
- Patent Title: Steel material for underground continuous wall, method for producing steel material for underground continuous wall, underground continuous wall, and method for constructing underground continuous wall
- Patent Title (中): 地下连续墙钢材，地下连续墙钢材生产方法，地下连续墙，地下连续墙施工方法
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Application No.: US12438079Application Date: 2007-09-05
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Publication No.: US08408844B2Publication Date: 2013-04-02
- Inventor: Ryuuta Tanaka , Tatsuaki Kurosawa , Shinji Taenaka , Masataka Tatsuta
- Applicant: Ryuuta Tanaka , Tatsuaki Kurosawa , Shinji Taenaka , Masataka Tatsuta
- Applicant Address: JP Tokyo
- Assignee: Nippon Steel & Sumitomo Metal Corporation
- Current Assignee: Nippon Steel & Sumitomo Metal Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2006240654 20060905
- International Application: PCT/JP2007/067290 WO 20070905
- International Announcement: WO2008/029835 WO 20080313
- Main IPC: E02D5/04
- IPC: E02D5/04
Abstract:
A steel material for an underground continuous wall equipped with a hat type steel sheet pile having a hat-shaped cross-section, and an H-beam having an H-shaped cross-section, wherein: the hat type steel sheet pile includes a web, a pair of flanges, and a pair of arm sections; the H-beam includes a pair of flange sections and a web section; an outer surface of the H-beam is secured to an outer surface of the web; the length of the H-beam is shorter than that of the hat type steel sheet pile, and an overall length of the H-beam is arranged within the length of the hat type steel sheet pile; and a rear end of the H-beam is located closer to a forward end side than a rear end of the hat type steel sheet pile.
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