屋面框架梁上部出现变截面时,梁上部不满足直锚的钢筋的构造正确的为:
A. 伸至柱对面直接向下弯锚LaE的锚固长度
B. 伸至柱对面弯锚长度从低标高的梁顶面算起LaE
C. 伸至柱对面直接弯15d的锚固长度
D. 伸至柱对面弯12d的锚固长度
查看答案
框架梁上部通长筋与非贯通钢筋直径相同时,连接位置位于跨中____范围内。
框架梁在端支座处支座负筋伸出支座ln/3
A. 对
B. 错
1. According to the speaker, what is the good thing of a text message on Valentine’s Day?
A. It is much cheaper compared with other ways to express love.
B. You nearly always get a response.
C. It could contain very sentimental thoughts.
D. It is more convenient compared with other ways.
2. Which of the following is NOT true about this year’s Valentine’s Day?
A. In Britain’s biggest flower market, the trade doubles an average day.
B. The number of text message sent doubles the daily average.
C. The flower prices triple through Valentine’s Day.
D. The number of Valentine cards is 20% up on last year.
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