题型:名词解释 Gone are the days when China, a major economic power in Asia today, ________ at the mercy of others.[ ]A. was B. isC. had been D. were 查看答案
题型:名词解释 某柱下钢筋混凝土独立基础,基础底面尺寸为2.0m×2.5m。持力层为粉土,其下为淤泥质土软弱层。由柱底传竖向力为F,力矩为M和水平剪力为V(均为设计值),如题图所示。计算基础自重设计值和基础上的土重标准值用的平均重度γG=20kN/m3。条件同5题,其基础底面处的最大压力设计值Pmax最接近()项数值。A.pmax=210kPaB.pmax=246.6kPaC.pmax=255kPaD.pmax=320.5kPa 查看答案