Concrete temperature-control mold plate and use method thereof
A temperature-controlled formwork and concrete technology, which is applied in the field preparation of formwork/formwork components and building components, construction, etc., can solve problems such as temperature cracks, structural damage, concrete mold entry temperature and hydration temperature rise, etc., to achieve The effect of reducing the temperature rise of hydration, improving volume stability, and shortening the time of temperature change history
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[0042] An underground side wall structure has a thickness of 0.8m, a height of 6m, a single pouring length of 20m, and an ambient temperature of 34.2°C. C40 concrete is used for pouring construction. When the concrete entry temperature is not controlled, the concrete entry temperature is 36.4°C , the hydration temperature rises to 33.0°C, and the engineering results show that the side walls are severely cracked, with one temperature crack every 0.8 to 1.5 meters;
[0043] In order to reduce the temperature cracks of concrete, through cooling raw materials, adding ice and other technical means, the temperature of concrete entering the mold is controlled at 31.5°C, and the hydration temperature rises to 32.6°C. crack;
[0044] The technical effects of the above two constructions show that in the high temperature environment in summer, the effect of reducing the mold entry temperature by only about 5°C for the concrete of this project is not obvious.
[0045] Using the temperatu...
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