第11题: [单项选择]某承受轴心压力的砖柱,截面尺寸为370mm×490mm,采用MU10烧结普通砖、M7.5混合砂浆砌筑,柱的计算高度为4.5m。[2007年真题]试问,该砖柱受压承载力的影响系数φ,与下列何项数值最为接近?() A. 0.82 B. 0.85 C. 0.89 D. 0.95 参考答案:A 答案解析:1.根据《砌体结构设计规范》(GB50003-2011)第5.1.15.1.2条,砖柱的高厚比β=γβH/h=4.5/0.37=12.2;查表D.0.1-1,得φ=0.82。
2.根据《砌体结构设计
第12题: [单项选择]What does the woman mean A. She doesn’t understand English. B. She doesn’t catch his meaning. C. She will show him the way. 参考答案:B 答案解析:[听力原文] M: Excuse me, but could you show me the way to Wooden Street W: Pardon