有一条形均布荷裁p =100kPa .宽度为3m 的,地基土的性质为︒=15ϕ,C =15kPa ,r =18kN/m 3,基础的埋置深度由地面改为1.5m ,试问地基的承载力安全系数增加多少?( Nr =1.8,Nq =4.45,Nc =12. 9)( )
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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