A.測試時,應(yīng)將剪切儀主機放入開鑿好的孔洞中,并應(yīng)使儀器的承壓板與試件的磚塊頂面重合 B.儀器軸線與磚塊軸線應(yīng)吻合開鑿孔洞過長時,在儀器尾部應(yīng)另加墊塊 C.加荷的全過程宜為3min~7mim D.操作剪切儀,應(yīng)勻速施加水平荷載,并應(yīng)直至試件和砌體之間產(chǎn)生相對位移,試件達(dá)到破壞狀態(tài)
A.0.01 B.0.05 C.0.1 D.0.5
A.5mm B.10mm C.15mm D.20mm