发布时间:2025-01-19 02:33:55
1/6-1/4内。为保证梁底方木安装方便,弧形梁模板弧长控制在1.2m1.5m左右为宜。,三铰拱或弧形轻型桁架,至于拱高,可在1/6-1/4内取值,南方防风,北方防雪。
工地上做单边木挡土墙如何加固木板和会出现的问题挡土墙后面是面危墙易倒求有实践经验的大神求解
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