Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第VI部門

各種基礎 (3)/施工計画 (1)

Thu. Sep 5, 2019 8:40 AM - 10:10 AM VI-8 (幸町総合教育棟 第22講義室)

座長:原田 雅弘(熊谷組)

[VI-1037] Steel sheet pile driving case to medium hard rock by rock piling method

*大城 一徳1、石川 進也1、中島 通宏2 (1. 株式会社 大林組、2. 株式会社 ガンケン)

Keywords:GANPILE Method, Steel sheet pile, hard rock , pile

In the case of steel sheet pile placement on hard ground such as bedrock or ground having ground obstacles, if it is difficult by vibration method or press-in method using water jet together, auxiliary method such as preliminary drilling by other drilling machine It takes a lot of construction period and cost. On the other hand, in the gunpile method, steel piles can be directly driven on hard ground or obstacles without using auxiliary methods. In this paper, the outline of the gun pile method and the steel sheet pile driving example to medium hardness rock whose uniaxial compressive strength qu by this method exceeds 70 MN / m2 are introduced.

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