請問基礎工程 淺基礎承載力 - 土木

By Brianna
at 2009-04-16T23:59
at 2009-04-16T23:59
Table of Contents
請問基工裡關於淺基礎承載力的部分
如要求基礎的容許承載力
我是先求出Qult
再以此求出Qnet
再除安全係數
可是這時候 我看很多題目
有的是除安全係數後就是答案
有的是還在加上基底的覆土壓力(r*Df)
想請問一下 何時要加 何時不該加??
麻煩大家解答了
感謝
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土木
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