Mass concrete construction method of super-thick foundation

A technology of mass concrete and construction method, applied in the direction of basic structure engineering, building construction, construction, etc., can solve the problem of damage to the bearing capacity, use function and durability of the engineering structure, affecting the frost resistance, impermeability, acceleration, etc. of the structure. Concrete natural aging and other problems, to achieve the effect of shortening the time of heat dissipation, reducing the curing time and improving the quality of concrete
CN101962997AInactive Publication Date: 2011-02-02TIANJIN 20 CONSTR
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
TIANJIN 20 CONSTR
Publication Date
2011-02-02
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a mass concrete construction method of a super-thick foundation, comprising the following steps of: (1) binding the steel bars on a base plate of the foundation, and fixing cooling water pipes on a steel bar fixing frame, wherein the cooling water pipes are evenly distributed at the inside layers of the foundation; (2) blending the concrete; (3) pouring the concrete; (4) carrying out press polishing to the concrete on the surface of the foundation before the final setting of the concrete of the foundation; and (5) maintaining the foundation. The invention adopts the anti-cracking concrete so as to reduce the cement content and decrease the generation of the heat of hydration; the embedding of the cooling water pipes can shorten the emission time of the heat in the concrete and decrease the maintenance time of the concrete structure; the press polishing is carried out to the surface of the concrete structure to ensure that the desiccation fissures are prevented; and maintaining the concrete with preserved temperature and humidity can improve the quality of the concrete. The invention has the effects of at least improving the work efficiency by 4 times, greatly saving the cost, improving the work efficiency and paving the way for the advanced construction of the next process.
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Description

technical field

[0001] The invention relates to a large-volume concrete construction method, in particular to a super-thick foundation large-volume concrete construction method. Background technique

[0002] In the construction of basic engineering of metallurgical industrial equipment, especially blast furnace engineering, as the scale of blast furnace increases, the amount of foundation concrete increases accordingly. During the continuous pouring and hardening of mass concrete, the hydration reaction of cement generates a large amount of hydration heat. The thickness of concrete is ≥5m, the thermal resistance is very large, the internal hydration heat accumulation is not easy to dissipate, the hydration temperature rises high, and the surface dissipates heat quickly, forming a large temperature difference between the interior and surface of the concrete. Changes in the temperature difference between the interior and surface of the concrete plus the influence of external e...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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