某建筑場地為淤泥質(zhì)黏土層,固結(jié)系數(shù)為,受壓土層厚度為10m,袋裝砂井直徑70mm,砂井采取等邊三角形布置,間距ι=1.4m,深度為10m,砂井底部為透水層,砂井打穿受壓土層,預(yù)壓荷載為100kPa,一次等速施加,加載速率為每天10kPa,按《建筑地基處理技術(shù)規(guī)范》(JGJ79-2002)計(jì)算。
A.0.80 B.0.84 C.0.90 D.0.94
A.0.81、0.0369(1/D. B.0.81、0.0251(1/D. C.1、0.0369(1/D. D.1、0.0251(1/d
A.57d B.62d C.67d D.72d