某单层单跨无吊车厂房采用装配式无檩体系屋盖，其纵横承重墙采用MU10烧结普通砖，砖柱柱距5.1m，车间长30.6m，两端设有山墙，每边山墙上设有4个240mm×240mm构造柱如图14-9所示。自基础顶面算起墙高3.6m，壁柱为370mm×250mm，墙厚240mm，M7.5混合砂浆。砌体施工质量控制等级为B级。
该带壁柱墙的高厚比的验算值，β≤μ1μ2［β］，其左右端项，与下列何项数值最接近（）？
A.β=10<21.7
B.β=13<21.7
C.β=12<21.7
D.β=14<21.7
参考答案：A
| 完形填空。 | |||
| Today more and 1 people begin to have their own cars, So there is 2 traffic in the 3 . and 4 of the roads are too narrow, That is 5 there are so many accidents. In cities 6 over the world thousands 7 people are hurt 8 die in traffic accidents. Of course, traffic accidents also 9 outside the cities in the countryside, but there is not 10 much traffic and there are not so many accidents. | |||
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