It includes the division of dissolving area, the redetermination of its length and width,downhill layout of dissolving area a nd improvement of drilling tunnel and cutting grooves.
包括
划分,长、
新
定;
下山布置,以及打眼巷、切割槽改进等。
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Moreover, the tunnel settlement trough is getting wider with the increase of the loading length L. By further increasing the loading length L up to 30D, the maximum settlements wmax are clearly decreased from 16.1 to 9.9 mm.
而且，随着
载长度 L 的增，
沉降槽越来越宽。通过将载长度 L 进一步增到 30D，最大沉降 wmax 明显从 16.1 mm 降低到 9.9 mm。
，
，被降到
替补席上。
足够
，不应该再
宽。
