A method for measuring the adsorption performance of machine-made sandstone powder
A technology of adsorption performance and machine-made sand, which is applied in the direction of removing certain components and weighing, etc., can solve the problems of high requirements for test operators, environmental pollution by operators, and low test efficiency, and achieves low requirements for experimental operators and operation. Strong feasibility and distinct effect
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Embodiment 1
[0050] 1) Take Yunnan limestone machine-made sand A as the sample, take the machine-made sand and dry it to a constant weight of 3100g in total, weigh 500g of the sample, add a 75μm square hole sieve, put the set of sieves on the shaker, shake for 10min, and remove Cover the sieve, pour out all the rest of the cover sieve, and take the stone powder at the bottom of the sieve for later use; weigh 500g of the sample again, and carry out the same sieving until the cumulative amount of stone powder at the bottom of the sieve reaches 150g;
[0051] 2) Determination of the fluidity of the mortar in the reference group: Weigh 450g of cement, 1350g of sand, 180g of water, and 3.5g of water reducing agent, and conduct the test according to the fluidity test of cement mortar, and record that the fluidity of the mortar in the reference group is 181mm;
[0052]3) Determination of the fluidity of the mortar in the experimental group: Weigh 315g of cement, 135g of stone powder, 1350g of sand...
Embodiment 2
[0062] 1) Use Yunnan limestone machine-made sand B as the sample, take the machine-made sand and dry it to a constant weight of 3000g in total, weigh 500g of the sample, add a 75μm square hole sieve, put the set of sieve on the shaker, shake for 10min, and remove Cover the sieve, pour out all the rest of the cover sieve, and take the stone powder at the bottom of the sieve for later use; weigh 500g of the sample again, and carry out the same sieving until the cumulative amount of stone powder at the bottom of the sieve reaches 150g;
[0063] 2) Determination of the fluidity of the mortar in the reference group: Weigh 450g of cement, 1350g of sand, 180g of water, and 3.5g of water reducing agent, and conduct the test according to the fluidity test of cement mortar, and record that the fluidity of the mortar in the reference group is 181mm;
[0064] 3) Determination of the fluidity of the mortar in the experimental group: Weigh 315g of cement, 135g of stone powder, 1350g of sand,...
Embodiment 3
[0074] 1) Take Yunnan granite machine-made sand as the sample, take the machine-made sand and dry it to a constant weight of 3200g, weigh 500g of the sample, add a 75μm square hole sieve, put the sieve on the shaker, shake for 10min, and take off the cover Sieve, pour out all the rest of the cover sieve, take the stone powder at the bottom of the sieve for later use; weigh 500g of the sample again, and carry out the same sieving until the cumulative amount of stone powder at the bottom of the sieve reaches 150g;
[0075] 2) Determination of the fluidity of the mortar in the reference group: Weigh 450g of cement, 1350g of sand, 180g of water, and 3.5g of water reducing agent, and conduct the test according to the fluidity test of cement mortar, and record that the fluidity of the mortar in the reference group is 181mm;
[0076] 3) Determination of the fluidity of the mortar in the experimental group: Weigh 315g of cement, 135g of stone powder, 1350g of sand, 180g of water, and 3...
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