杭と基礎工 (6)

[III-265] Construction Report of TBH Pile Penetrating Sandy Layer Mixed with Intermediate Cobbles Adjacent to Temporary Receiving Pile of Commercial Line

*Junn Tsuchiya¹, kentaro ooishi², keisuke koizumi², tatsuya shimizu², takashi kinoshita², yoshiyasu misawa¹, kazuyuki kitaoka¹, yoshihiko oota¹, hisaki okada¹ (1. Tokyu construction, 2. Keio Electric Railway)

Keywords:railroad, TBH pile, Narrow place, cobblestone sand layer, Pore wall collapse