承担责任是不能要回报的。[ ]
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某柱下独立基础为锥形基础如图12-13所示,柱子截面尺寸为a×b=0.4m×0.6m,基础底面尺寸为b×l=3m×1.8m,基础变阶处尺寸为b×l=1.2m×0.95m。基础采用C20混凝土(f=1.1N/mm),HRB335级钢筋,基底设100mm厚C15素混凝土垫层,取a=50mm。已知上部荷载作用在基础顶面处相应于作用的基本组合时的设计值为:F=300kN,M=90kN·m,V=10kN,F=150kN。基本组合由永久作用控制。
地基最大净反力设计值jmaxp(kPa),与下列何项数值最为接近()?
A.142.0
B.116.1
C.126.3
D.136.4
In December 2008, Obama was _________________.
A.elected the President of the USA
B.selected the President of the USA
C.elected President of the USA
D.selected President of the USA