A.孔隙水壓力計(jì)的量程應(yīng)取靜水壓力與超孔隙水壓力之和 B.孔隙水壓力計(jì)的埋設(shè)宜采用壓入法 C.孔隙水壓力計(jì)埋設(shè)前應(yīng)浸泡飽和排除透水中的氣泡 D.孔隙水壓力計(jì)埋設(shè)1周后,應(yīng)測量其初始值
A.土壓力計(jì)的量程應(yīng)滿足被測壓力的要求,其上限可取設(shè)計(jì)壓力的2倍,精度不宜低于0.5%FS,分辨率不宜低于0.2%FS B.土壓力計(jì)埋設(shè)時(shí)受力面與所監(jiān)測的壓力方向垂直并緊貼被監(jiān)測對(duì)象 C.采用鉆孔法埋設(shè)土壓力計(jì)時(shí),回填應(yīng)均勻密實(shí),且回填材料宜與周圍巖土體一致 D.土壓力計(jì)埋設(shè)以后,應(yīng)至少經(jīng)過1周時(shí)間的初始穩(wěn)定,然后再進(jìn)行測試
A.水平位移的累計(jì)值為15mm,變化速率為1mm/d B.水平位移的累計(jì)值為25mm,變化速率為2mm/d C.水平位移的累計(jì)值為35mm,變化速率為3mm/d D.水平位移的累計(jì)值為65mm,變化速率為6mm/d