A.50kN B.60kN C.80kN D.100kN
A.2 B.3 C.4 D.5
A.測試時(shí),應(yīng)將剪切儀主機(jī)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(shí),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(duì)位移,試件達(dá)到破壞狀態(tài)