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
溶区的划分,溶区长、宽的重新
定;溶区间的下山布置,以及打
、
割槽的改进等。
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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,随着加载长度 L 的增加,隧道沉降槽

宽。通过将加载长度 L 进一步增加到 30D,最大沉降 wmax 明显从 16.1 mm 降低到 9.9 mm。