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.
包括溶区
,溶区长、宽重新
定;溶区间下山
,
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.
，
着加载长度 L 的增加，隧道沉
槽越来越
。通过将加载长度 L 进一步增加到 30D，最大沉 wmax 明显从 16.1 mm 低到 9.9 mm。
，不应该再加
替补席上。
