Novel large-volume concrete heat-preservation and moisture-preservation structure and heat-preservation and moisture-preservation method suitable for dry, cold and strong wind climates

Abstract

The invention provides a novel large-volume concrete heat-preservation and moisture-preservation structure and a heat-preservation and moisture-preservation method suitable for dry, cold and windy climates. The heat-preservation and moisture-preservation structure is provided with a heat-preservation and moisture-insulation layer and a water-absorption and moisture-preservation layer, and the heat-preservation and moisture-insulation layer is positioned above the water-absorption and moisture-preservation layer; and the heat-preservation and moisture-insulation layer is provided with a plurality of water inlets, and hole sealing blocks matched with the water inlets in size are arranged on the water inlets, and the hole sealing blocks can be removed from the water inlets and can be coveredin the water inlets again. The invention can realize moisture-preservation and heat-preservation for concrete, can be quickly unfolded and recovered, and is convenient and simple to sprinkle and replenish water.

Description

technical field [0001] The present invention relates to a new type of large-volume concrete heat preservation and moisturizing structure and method used in dry, cold and windy weather conditions. can also be applied. Background technique [0002] For large-volume concrete pouring under climate conditions such as dry weather, large temperature difference between day and night, frequent freezing and thawing, and high wind power level, in order to prevent concrete cracks, it is necessary to do a good job of thermal insulation and moisturizing maintenance for the concrete. At present, conventional heat preservation methods for concrete mainly include: (1) straw bags and straw curtains for heat preservation, but they are easy to burn and catch fire, are not durable and easy to rot after being damp, and have poor heat preservation and moisturizing effects. (2) Wet sand heat preservation, using sand layer for heat preservation, not only takes a long time to spread and recycle the ...

AI Technical Summary

Problems solved by technology

At present, the conventional heat preservation methods for concrete mainly include: (1) Straw bags and straw curtains for heat preservation, but they are easy to burn and catch fire, not durable and easy to rot after being damp, and the heat preservation and moisturizing effect is poor

(2) Wet sand heat preservation, using sand layer for heat preservation, not only takes a long time to spread and recycle the sand layer, but also has poor heat preservation effect, which greatly interferes with concrete construction

(3) Wood wool board has a certain heat preservation effect. The wood wool board has problems such as covering the defects of the concrete surface and being difficult to remove, and the heat preservation effect decreases sharply after being damp.

(5) Foam plastic insulation, which is also the most commonly used insulation material at present, mainly includes polystyrene foam plastic board, polyethylene foam plastic board, etc., the insulation effect is good, but when used for concrete surface insulation, it is impossible to take into account the moisture retention of concrete

The above insulation methods either do not have the function of moisturizing, or the insulation effect of the insulation material decreases sharply after being damp.

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