品質管理(7)

11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[VI-887] Difficulties and Countermeasures in the Construction of All-Casing Piles of 60m Depth Class and Small Diameter

*Aki Toyomasu¹, Hana Kobayashi¹, Yasuhiro Shinohara¹, Ryo Kawaguchi¹, Masaya Niina², Yasuhiro Kurita³, Yusuke sumi³ (1. Shimizu Corporation, 2. DAIHO CORPORATION, 3. Hanshin Expressway Company Limited)

Keywords:

all casing method,rotary all casing boring machine,slump value,casing rotation and extraction failure