问题
单项选择题
高度为8m，土的内摩擦角
＝10°(Ns＝9.2)，c=25kPa，γ＝18kN/m3的土坡，其稳定安全系数为()。
A．1.6
B．1.0
C．2.0
D．
答案
参考答案：A
解析：
稳定安全系数K＝Hcr/H,Hcr＝cNs/γ
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高度为8m，土的内摩擦角＝10°(Ns＝9.2)，c=25kPa，γ＝18kN/m3的土坡，其稳定安全系数为()。
A．1.6
B．1.0
C．2.0
D．
参考答案：A
解析：
稳定安全系数K＝Hcr/H,Hcr＝cNs/γ
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| A: Hello! This is Hope English club. Can I help you? B: Yes. 1 A: What are your problems? B: First of all, 2 A: That is easy. Why not read aloud to practice it? It will improve speaking skills. B: OK, I will. 3 A: Listening to more tapes will help improve your listening skills. B: What about new words? A: First, you should try to guess the meaning of them. 4 B: OK, I will do as what you say. Thanks a lot. A: You're welcome. 5
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