A kind of anti-seepage and anti-crack concrete and preparation method thereof
A technology of concrete and mass fraction, which is applied in the field of concrete, can solve the problems of low compressive strength of impermeable and crack-resistant concrete, decrease of compressive strength, difficulty in meeting the needs of special projects, etc., and achieve good compressive strength and compressive strength. Enhanced strength, good quality results
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Embodiment 1-5
[0065] An impermeable and crack-resistant concrete, comprising the following components:
[0066] Cement, mineral powder, expansion agent, sand, stone, water reducing agent, synergist, m-xylylenediamine, p-methylbenzaldehyde, water.
[0067] In Examples 1-5, the input amount of each component of the impermeable and crack-resistant concrete is shown in Table 2.
[0068] Table 2
[0069] Example 1 Example 2 Example 3 Example 4 Example 5 cement 250 255 265 270 260 Mineral powder 145 148 152 155 150 Bulking agent 33 34 36 37 35 sand 680 685 695 700 690 stone 1070 1075 1085 1090 1080 water reducer 6.6 6.7 7.1 7.2 6.9 synergist 2.5 2.6 2.8 2.9 2.7 m-xylylenediamine 0.7 0.75 0.85 0.9 0.8 p-Tolualdehyde 1.1 1.15 1.25 1.3 1.2 water 140 143 146 150 145
[0070] The preparation method of the impermeable and crack-resistant concrete of embodiment 1-5, refer to figu...
Embodiment 6-8
[0078] An impermeable and crack-resistant concrete, compared with Example 5, the only difference is that it also includes the following components:
[0079] Dibutyl sebacate.
[0080] In Examples 6-8, the input amount of dibutyl sebacate is shown in Table 3.
[0081] table 3
[0082] Example 6 Example 7 Example 8 Dibutyl Sebacate 0.58 0.65 0.72
[0083] In S1, dibutyl sebacate, cement, water reducing agent, synergist, m-xylylenediamine and p-methylbenzaldehyde are put into the stirring tank and stirred evenly.
Embodiment 9-11
[0085] An impermeable and crack-resistant concrete, compared with Example 5, the only difference is that it also includes the following components:
[0086] glass fiber.
[0087] In Examples 9-11, the input amount of dibutyl sebacate is shown in Table 4.
[0088] Table 4
[0089] Example 9 Example 10 Example 11 glass fiber 20 21 22
[0090] In S1, glass fiber is put into a stirring tank together with cement, water reducing agent, synergist, m-xylylenediamine and p-tolualdehyde and stirred evenly.
[0091] In Examples 9-11, the lengths of the glass fibers were 30 mm, 32 mm, and 35 mm in sequence.
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