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Concrete curing Notes

 

1, concrete pouring has been completed
① summer: the initial setting (usually two hours) after plastic film, straw, corn stalks and other cover, the final setting (usually no more than five hours) must be timely after "pay" conservation.
② winter: after the initial setting must be used straw, corn stalks or other objects covered Insulate or add antifreeze dry strength agents.
③ late fall early spring: always pay attention to weather changes, to take decisive insulation measures.
2, concrete curing time of not less than seven days.
3, concrete form removal: slab span less than 6 meters, the intensity must be above 70% (ie more than 7 days); the span of more than 6 m strength required to achieve 100% (including cantilever structure), the column should reach more than 50 percent. If the stencil removal urgently needed in advance, we must take strong measures to drought.1, concrete pouring has been completed
① summer: the initial setting (usually two hours) after plastic film, straw, corn stalks and other cover, the final setting (usually no more than five hours) must be timely after "pay" conservation.
② winter: after the initial setting must be used straw, corn stalks or other objects covered Insulate or add antifreeze dry strength agents.
③ late fall early spring: always pay attention to weather changes, to take decisive insulation measures.
2, concrete curing time of not less than seven days.
3, concrete form removal: slab span less than 6 meters, the intensity must be above 70% (ie more than 7 days); the span of more than 6 m strength required to achieve 100% (including cantilever structure), the column should reach more than 50 percent. If the stencil removal urgently needed in advance, we must take strong measures to drought.1, concrete pouring has been completed
① summer: the initial setting (usually two hours) after plastic film, straw, corn stalks and other cover, the final setting (usually no more than five hours) must be timely after "pay" conservation.
② winter: after the initial setting must be used straw, corn stalks or other objects covered Insulate or add antifreeze dry strength agents.
③ late fall early spring: always pay attention to weather changes, to take decisive insulation measures.
2, concrete curing time of not less than seven days.
3, concrete form removal: slab span less than 6 meters, the intensity must be above 70% (ie more than 7 days); the span of more than 6 m strength required to achieve 100% (including cantilever structure), the column should reach more than 50 percent. If the stencil removal urgently needed in advance, we must take strong measures to drought

1, concrete pouring has been completed

① summer: the initial setting (usually two hours) after plastic film, straw, corn stalks and other cover, the final setting (usually no more than five hours) must be timely after "pay" conservation.

② winter: after the initial setting must be used straw, corn stalks or other objects covered Insulate or add antifreeze dry strength agents.

③ late fall early spring: always pay attention to weather changes, to take decisive insulation measures.

2, concrete curing time of not less than seven days.

3, concrete form removal: slab span less than 6 meters, the intensity must be above 70% (ie more than 7 days); the span of more than 6 m strength required to achieve 100% (including cantilever structure), the column should reach more than 50 percent. If the stencil removal urgently needed in advance, we must take strong measures to drought.