Construction waste improved expansive soil subgrade structure
A technology of construction waste and expansive soil, which is applied in infrastructure engineering, buildings, roads, etc., can solve the problems of high logistics costs and material costs, and achieve the effects of reducing the cost of capillary water protection projects, large unevenness, and reducing environmental pollution
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[0023] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.
[0024] Such as figure 1 and 2 As shown, a construction waste improved expansive soil roadbed structure, including a roadbed surface layer 1 and an expansive soil filling layer 3 located below the roadbed surface layer 1, the expansive soil filling layer 3 is arranged on the construction waste pore water protection cushion On the filling layer 5, reverse filter layers 7 are arranged on both sides of the construction waste pore water protection cushion filling layer 5, and the construction waste improved soil filling is filled on both sides and above the expansive soil filling layer 3 Layer 2;
[0025] The paving material of the construction waste pore water protective cushion filling layer 5 is a mass of 1:2-5 between medium particle construction waste with a particle diameter of 10-20mm and coarse construction waste with a particle diameter of 2...
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