Enhanced anti-cracking self-repairing concrete and preparation method thereof
A concrete and self-repairing technology, which is applied in the field of self-repairing concrete and similar building materials, can solve the problems that repairing agents cannot be targeted at the same time, and achieve the effects of saving manpower and financial resources, enhancing crack resistance and impermeability, and simple production process
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Embodiment 1
[0027] 1) Prepare formwork according to the required concrete;
[0028] 2) The concrete is C30 concrete. The concrete material is prepared. The raw materials include the following components in parts by weight: 154 parts of cement, 36 parts of fly ash, 262 parts of fine aggregate, 613 parts of coarse aggregate, 41.8 parts of water, 1.6 parts of fiber, 7.6 parts of repair agent and 18 parts of anti-crack and anti-seepage agent.
[0029] 3) Mix the prepared concrete materials. After the mixer is grouted, add fine aggregate, coarse aggregate and fiber, and stir for 30 seconds; then add cement and fly ash, and stir for 30 seconds; then add water, Stir for 1 minute and 30 seconds, then add anti-crack and anti-seepage agent and repair agent, and stir for 1 minute;
[0030] 4) Remove the formwork and cure for 28 days in an environment with a temperature of 20±1°C and a humidity of 90%±1 to obtain reinforced crack-resistant self-healing concrete.
[0031] Specifically, in step 2), t...
Embodiment 2
[0034] 1) Prepare formwork according to the required concrete;
[0035] 2) The concrete is C30 concrete. The concrete material is prepared. The raw materials include the following components in parts by weight: 159 parts of cement, 40 parts of fly ash, 276 parts of fine aggregate, 645 parts of coarse aggregate, 44 parts of water, 1.9 parts of fiber, 7.6 parts of repair agent and 19 parts of anti-crack and anti-seepage agent.
[0036] 3) Mix the prepared concrete materials. After the mixer is grouted, add fine aggregate, coarse aggregate and fiber, and stir for 30 seconds; then add cement and fly ash, and stir for 30 seconds; then add water, Stir for 1 minute and 30 seconds, then add anti-crack and anti-seepage agent and repair agent, and stir for 1 minute;
[0037] 4) Remove the formwork and cure for 28 days in an environment with a temperature of 20±1°C and a humidity of 90%±1 to obtain reinforced crack-resistant self-healing concrete.
[0038] Specifically, in step 2), the...
Embodiment 3
[0041] 1) Prepare formwork according to the required concrete;
[0042] 2) The concrete is C30 concrete. The concrete material is prepared. The raw materials include the following components in parts by weight: 164 parts of cement, 44 parts of fly ash, 290 parts of fine aggregate, 677 parts of coarse aggregate, 46.2 parts of water, 2.2 parts of fiber, 7.6 parts of repair agent and 20 parts of anti-crack and anti-seepage agent.
[0043] 3) Mix the prepared concrete materials. After the mixer is grouted, add fine aggregate, coarse aggregate and fiber, and stir for 30 seconds; then add cement and fly ash, and stir for 30 seconds; then add water, Stir for 1 minute and 30 seconds, then add anti-crack and anti-seepage agent and repair agent, and stir for 1 minute;
[0044] 4) Remove the formwork and cure for 28 days in an environment with a temperature of 20±1°C and a humidity of 90%±1 to obtain reinforced crack-resistant self-healing concrete.
[0045] Specifically, in step 2), t...
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