Red mudstone tamping and backfilling method
A red and mudstone technology, applied in the field of red mudstone compaction and backfill, can solve the problem that red mudstone cannot be used as a backfill material in large quantities, and achieve the effect of shortening the construction period, saving construction costs, and reducing the shortening of the construction period.
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Embodiment 1
[0029] (1) Crushing the red mudstone, the particle size of the crushed red mudstone is 40cm;
[0030] (2) Backfill the broken red mudstone to form a red mudstone layer, and the backfill height of each layer of red mudstone is 3m;
[0031] (3) Spot tamp the backfilled red mudstone layer first with a large rammer whose tamping energy is 3000KJ;
[0032] (4) Then use a small rammer to fully ram the red mudstone layer, and the ramming energy of the small rammer is 1000KJ;
[0033] (5) After tamping a red mudstone layer, backfill a layer of red mudstone layer, and then proceed to steps (3) and (4).
Embodiment 2
[0035] (1) Crushing the red mudstone, the particle size of the crushed red mudstone is 50cm;
[0036] (2) Backfill the broken red mudstone to form a red mudstone layer, and the backfill height of each layer of red mudstone is 4.5m;
[0037] (3) Spot tamp the backfilled red mudstone layer first with a large rammer whose tamping energy is 3000KJ;
[0038] (4) Then use a small rammer to fully ram the red mudstone layer, and the ramming energy of the small rammer is 1000KJ;
[0039] (5) After tamping a red mudstone layer, backfill a layer of red mudstone layer, and then proceed to steps (3) and (4).
Embodiment 3
[0041] (1) Crushing the red mudstone, the particle size of the crushed red mudstone is 32cm;
[0042] (2) Backfill the broken red mudstone to form a red mudstone layer, and the backfill height of each layer of red mudstone is 3m;
[0043] (3) Spot tamp the backfilled red mudstone layer first with a large rammer whose tamping energy is 3000KJ;
[0044] (4) Then use a small rammer to fully ram the red mudstone layer, and the ramming energy of the small rammer is 1000KJ;
[0045] (5) After tamping a red mudstone layer, backfill a layer of red mudstone layer, and then proceed to steps (3) and (4).
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