Thermal insulation method and concrete thermal insulation cover for winter construction of pier column

Abstract

The invention relates to a concrete thermal insulation cover for the winter construction of a pier column. The concrete thermal insulation cover is used for circumferentially wrapping the poured construction section of the pier column and has a rectangular shape; one side of the concrete thermal insulation cover, which is contacted with the pier column, is an inner side; the concrete thermal insulation cover consists of a plastic film layer, a first covering cloth layer, a rock wool layer and a second covering cloth layer from the inner side to the outer side in turn; rubber band bundles for hermetically tightening and winding the upper end and the lower end on the outer side of the poured construction section are respectively arranged at the upper end and the lower end of the rectangular concrete thermal insulation cover along the edge; a plurality of lifting holes are formed in the edge of the upper end of the concrete thermal insulation cover; and each lifting hole is connected with a template of a construction section which is to be poured and is positioned above the concrete thermal insulation cover through a connecting member. The concrete thermal insulation cover can meet the requirement on concrete thermal insulation during the winter construction of the pier column, an operation process can be simplified, manual high-altitude operation is avoided, construction difficulty and risk are reduced, and construction safety and convenience are achieved.

Description

technical field [0001] The invention relates to a thermal insulation protection device for concrete construction in winter, in particular to a thermal insulation method and a concrete thermal insulation cover for pier column construction in winter. Background technique [0002] In engineering construction, high pier (tower) columns are mostly set up in valleys, rivers and other places. During winter construction, the temperature is low, the wind is strong, the internal temperature of the concrete is relatively high, and the external temperature is relatively low. When the temperature difference between the inside and outside of the concrete is greater than 25°C, When the difference between the concrete surface temperature and the ambient temperature is greater than 20°C, the concrete surface is prone to cracks, and antifreeze and heat preservation measures must be taken. [0003] At present, in the existing winter concrete construction, heat storage method and greenhouse met...

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Problems solved by technology

[0004] As mentioned above, the insulation material of the existing thermal insulation device increases with the increase of the height of the high pier and the tower column, and it must be erected from the cap to the construction site, and the required materials are relatively large, which greatly wastes engineering materials

In addition, it also increases the difficulty of construction and the danger of construction, mainly because the stove is easy to cause fire, and high-altitude operations are easy to cause dangers such as collapse and falling, especially for high piers and towers with a height of tens of meters or even hundreds of meters. more difficult

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