框架梁支座为柱时,且上柱截面尺寸小于下柱截面尺寸,梁上部钢筋和下部钢筋的锚固长度起算位置为:
A. 上柱内边缘、上柱内边缘
B. 下柱内边缘、下柱内边缘
C. 上柱内边缘、下柱内边缘
D. 下柱内边缘、上柱内边缘
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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
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.