题目内容

勒脚是墙身接近室外地面的部分。一般情况下，其高度为室内地坪与室外地面的高差部分。有的工程将勒脚高度提高到底层室内踢脚线或窗台的高度。()

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圈梁的高度一般不小于120mm。()

Part B
Write one colleague of yours a note to ask him to take your place, please. Suppose that you have to meet your friend, who has never been in Beijing before, at the Western Railway Station. But you arc at work at that time.

构造柱不单独承重，因此不需设独立基础，其下端应锚固于钢筋混凝土基础或基础梁内。()

柱截面应不小于180mm×240mm。配筋为纵筋4φ12，箍筋采用φ4一φ6，间距不大于250mm。在离圈梁上下不小于1/6层高或450mm范围内，箍筋需加密至间距100mm。()