Coralline gravel limestone and coralline skeleton limestone similar material, preparation method therefor and application of coralline gravel limestone and coralline skeleton limestone similar material
A technology similar to materials and corals, applied in the field of geotechnical engineering three-dimensional physical model tests, can solve the problems of difficult collection and preparation of reef limestone samples, restrict the in-depth development of experimental research, and low success rate, so as to achieve accurate prediction and repeatability, good model test application prospects, and low cost effects
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Embodiment 1
[0032] Coral gravel limestone is similar to coral skeleton limestone, and the mass percentages of each component are as follows: 20 parts of quartz sand, 30 parts of barite powder, 18 parts of cement, 7 parts of high-strength gypsum, and 25 parts of water.
[0033] The above materials were weighed according to mass percentage, wherein the particle size of the quartz sand used in Example 1 was 40 mesh, the particle size of barite powder was 600 mesh, the cement was P.O 42.5 cement, and the particle size of high-strength gypsum was 1600 mesh . Mix and stir the taken out quartz sand, barite powder, cement and high-strength gypsum to make powder A; weigh water in proportion, add powder A to the weighed water, stir well and mix well; The material was poured into the mold, manually vibrated and pressed into shape; after the material was solidified (about 10 minutes), the model was demoulded, and cured for 7 days under the conditions of temperature 25°C and humidity ≥ 80%, and simila...
Embodiment 2
[0036] Coral gravel limestone is similar to coral skeleton limestone, and the mass percentages of each component are as follows: 25 parts of quartz sand, 20 parts of barite powder, 24 parts of cement, 12 parts of high-strength gypsum, and 19 parts of water.
[0037] The above materials were weighed according to mass percentage, wherein the particle size of quartz sand used in Example 2 was 40 mesh, the particle size of barite powder was 600 mesh, the cement was P.O 42.5 cement, and the particle size of high-strength gypsum was 1600 mesh . Mix and stir the taken out quartz sand, barite powder, cement and high-strength gypsum to make powder A; weigh water in proportion, add powder A to the weighed water, stir well and mix well; The material was poured into the mold, manually vibrated and pressed into shape; after the material was solidified (about 10 minutes), the model was demoulded, and cured for 7 days under the conditions of temperature 25°C and humidity ≥ 80%, and similar m...
Embodiment 3
[0040] Coral gravel limestone is similar to coral skeleton limestone, and the mass percentages of each component are as follows: 25 parts of quartz sand, 25 parts of barite powder, 21 parts of cement, 10 parts of high-strength gypsum, and 19 parts of water.
[0041] The above materials were weighed according to mass percentage, wherein the particle size of the quartz sand used in Example 3 was 40 mesh, the particle size of barite powder was 600 mesh, the cement was P.O 42.5 cement, and the particle size of high-strength gypsum was 1600 mesh . Mix and stir the taken out quartz sand, barite powder, cement and high-strength gypsum to make powder A; weigh water in proportion, add powder A to the weighed water, stir well and mix well; The material was poured into the mold, manually vibrated and pressed into shape; after the material was solidified (about 10 minutes), the model was demoulded, and cured for 7 days under the conditions of temperature 25°C and humidity ≥ 80%, and simil...
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