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How to carry out the construction of low cement pouring section?
(1) evenly brush the mold release agent or butter on the mold, and then install the mold;
(2) forced mixer is used for mixing. After all kinds of materials are added for mixing, dry mixing shall be conducted for 2-3min, and then wet mixing shall be conducted for 4-6min. After fully mixing, the mixer shall be out of the machine.
(3) the pouring material of each mixed scouring must be used up within 3Omin. During pouring, it vibrates while feeding. After all the materials are added, it vibrates for 3-4min.
(4) remove the formwork 24h after pouring.
How to maintain low cement castable?
(1) the curing temperature shall not be lower than 15℃, and insulation measures shall be taken at low temperature;
(2) curing time in 3d or 3d;
(3) natural conservation is generally adopted during curing;
Or in the pouring material surface covering I leap wet gunnysack or straw bag can, but not to the pouring section surface watering.
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