Soft rock slope ecological protection structure and construction method thereof
A technology for ecological protection and soft rock, applied in infrastructure engineering, botanical equipment and methods, excavation, etc. It can reduce erosion, prevent softening and disintegration, and accelerate drainage.
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Embodiment 1
[0096] In order to obtain the soft rock matrix ecological concrete layer 3 with larger porosity and strength, the preparation method of the soft rock matrix ecological concrete layer 3, such as Figure 10 shown, follow the steps below:
[0097] S41, Screening: Manually smash the taken mudstone, and screen out mudstone aggregates with a particle size of 10-15mm. Material treatment to avoid the high density of the formed mudstone, which is not suitable for the growth of plants; then wash and dry it.
[0098] S42, take each raw material according to the following parts by mass: 75 parts of mudstone aggregate, 18 parts of cement, 2 parts of water, 1 part of naphthalene-based water reducer FDN-C;
[0099] S43, adding water to the screened mudstone aggregate, the quality of the added water is 2.67% of the mudstone aggregate mass, stirring for 120-140s, making it reach a saturated surface dry state;
[0100] S44, stirring 50% of the cement weighed in step S42 and the mudstone aggre...
Embodiment 2
[0105] The particle size of the mudstone aggregate is 20-25mm, and each raw material is weighed according to the following parts by mass: 85.2 parts of mudstone aggregate, 12 parts of cement, 6 parts of water, 0.8 part of naphthalene-based water reducer FDN-C; the remaining steps are the same as in Example 1 same. The compressive strength of the ecological concrete layer 3 of the soft rock matrix is 5.2MPa, and the effective porosity is 28%.
Embodiment 3
[0107] The particle size of the mudstone aggregate is 15-25mm, and each raw material is weighed according to the following parts by mass: 80 parts of mudstone aggregate, 15 parts of cement, 4 parts of water, 0.9 part of naphthalene-based water reducer FDN-C; the remaining steps are the same as in Example 1 same. The compressive strength of the ecological concrete layer 3 of the soft rock matrix is 5.5 MPa and the effective porosity is 20%.
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