海量資源,盡在掌握
 8.3.1挖方邊坡坡度表8-12巖石邊坡坡度允許值巖石類土風化程度坡度允許值(高寬比)坡高在8m以內坡高為8~15m坡高為15~30m硬質巖石微風化中等風化強風化1:0.10~1:0.201:0.20~1:0.351:0.35~1:0.501:0.20~1:0.351:0.35~1:0.501:0.50~1:0.751:0.30~1:0 (共 8235 字) [閱讀本文] >>