Anti-aqueous dispersion synchronous grouting material with large specific gravity and low consistence
A synchronous grouting and water-resistant dispersion technology, which is applied in the field of building materials, can solve problems affecting engineering progress, natural sand is difficult to guarantee infrastructure construction, etc., and achieve the effects of improving work performance, good injectability, and increasing strength
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Embodiment 1
[0060] A water-resistant dispersion synchronous grouting material with large specific gravity and low consistency, which consists of the following components in parts by weight:
[0061] 100 parts of fly ash, 40 parts of phosphogypsum, 5 parts of cement, 20 parts of slaked lime, 300 parts of shield mud sand, 100 parts of machine-made sand, 0.2 parts of water reducer, 0.1 part of thickener, and 110 parts of water.
[0062] The shield silt has a water content of 4.6%, a mud content of 12.6wt%, a sand content of 86.2wt%, and a fineness modulus of 1.8; the thickener is hydroxypropyl methylcellulose (HPMC) , and its molecular weight is 200,000.
[0063] Table 1 shows the raw material ratio of the large specific gravity, low consistency, water-resistant and dispersible environment-friendly synchronous grouting material described in this example, and the performance test results are shown in Table 2.
Embodiment 2
[0065] A water-resistant dispersion synchronous grouting material with large specific gravity and low consistency, which consists of the following components in parts by weight:
[0066] 100 parts of fly ash, 35 parts of phosphogypsum, 20 parts of cement, 10 parts of slaked lime, 400 parts of shield mud sand, 0 parts of machine-made sand, 0.5 parts of water reducer, 0.05 parts of thickener, and 110 parts of water.
[0067] The slaked lime is industrial-grade white powder with a purity greater than 98%. The shield silt has a water content of 4.6%, a mud content of 12.6wt%, a sand content of 86.2wt%, and a fineness modulus of 1.8; the thickener is hydroxypropyl methylcellulose (HPMC) , and its molecular weight is 200,000.
[0068] Table 1 shows the raw material ratio of the large specific gravity, low consistency, water-resistant and dispersible environment-friendly synchronous grouting material described in this example, and the performance test results are shown in Table 2. ...
Embodiment 3
[0070] A water-resistant dispersion synchronous grouting material with large specific gravity and low consistency, which consists of the following components in parts by weight:
[0071] 100 parts of fly ash, 50 parts of phosphogypsum, 5 parts of cement, 10 parts of hydrated lime, 200 parts of shield mud sand, 200 parts of machine-made sand, 0.2 parts of water reducer, 0.1 part of thickener, and 100 parts of water.
[0072] The shield silt has a water content of 5.3%, a mud content of 20wt%, a sand content of 79.1wt%, and a fineness modulus of 1.6; the thickener is hydroxypropyl methylcellulose (HPMC), Its molecular weight is 200,000.
[0073] Table 1 shows the raw material ratio of the large specific gravity, low consistency, water-resistant and dispersible environment-friendly synchronous grouting material described in this example, and the performance test results are shown in Table 2.
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