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问题 单项选择题

某土坡高度10m，坡角β为70°，坡体土的γ=19kN/m3，c＝25kPa，φ=20°，与β和φ有关的泰勒稳定系数为8.4，该边坡稳定性系数为（）。

A．1.0

B．1.1

C．＜1

D．不能确定

答案

参考答案：B

解析：

根据《工程地质手册》第三版式6—2—2及相关内容计算

Ns＝γH/c＝19×10/25=7.6；

 

填空题

Kofi Annan says helping survivors of last week’ s earthquake and (1) in the Indian Ocean is (2) . The United Nations secretary- general says countries that have offered aid must (3) and provide it. The offers add up to around (4) dollars. United Nations officials say (5) of that is needed during the next six months. The concern about offers of international aid is (6) . For example, the earthquake in Barn, Iran, in (7) of 2003 killed more than (8) people. Countries and groups offered hundreds of millions of dollars (9) .The United Nations says it has (10) only about (11) dollars in aid received so far. Governments and organizations that offered help (12) that, however. On (13) Mr. Annan met with world leaders in Jakarta, Indonesia to discuss aid for (14) . The leaders discussed and (15) the idea of (16) owed by affected nations. But the leaders did not say they would do so. Some said that (17) to survivors would be more helpful. Representatives of (18) countries and international organizations attended the meeting in Jakarta. Officials say they will cooperate to develop (19) for the Indian Ocean and the (20) .
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单项选择题

以下( )的面积不应计算入建筑内面积。

A．电梯井
B．管道井
C．独立烟囱、烟道
D．沉降缝
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