Construction method for wind-blown sand tunnel
A construction method, aeolian sand technology, applied in tunnels, tunnel linings, earthwork drilling and mining, etc.
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[0046] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0047] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0048] Such as figure 1 , figure 2 As shown, the construction method of the wind-accumulated sand tunnel of the present invention is realized through the following steps: 101. Upper step construction:
[0049] Step 1011, under the condition of the advance pre-support of the horizontal jet grouting piles 16, the horizontal jet grouting piles 16 act as a layer of support for the arch, and implement @=30cm, L=300cm, ?50, a=10° The advanced s...
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