Pre-stressed duct grouting thermal control structure and method of thermal control

Abstract

The invention discloses a prestressed pipeline grouting temperature control structure, which includes a concrete beam body, a prestressed pipeline, an electric heating belt and an electric heating belt temperature control system, the prestressed pipeline is arranged in the concrete beam body, and the electric heating belt is wound outside the prestressed pipeline , and controlled by the electric heating belt temperature control system. The electric heating belt temperature control system includes a control module, a temperature display, an adjustment module, an electrothermal energy conversion module and a temperature sensor. At the same time, it discloses its temperature control method, a. The control module electrically heats the prestressed pipeline through the electrothermal energy conversion module and the electric heating belt; b. After the electric heating belt heats the prestressed pipeline to the set temperature, the temperature sensor feeds back the temperature information to the The display shows the real-time temperature, and the grouting into the prestressed pipe begins; c. The control module adjusts the output power through the adjustment module to perform compensation heating. The invention effectively solves the heating and heat preservation technology of the prestressed pipeline under severe cold and low temperature conditions, and ensures the grouting temperature of the prestressed pipeline and the health quality of the slurry.

Description

technical field [0001] The invention relates to the technical field of bridge construction, in particular to a prestressed pipeline grouting temperature control structure and a temperature control method thereof. Background technique [0002] my country's infrastructure projects are developing rapidly, and concrete prestressed structures are a common and very important method in construction projects. Prestressed pipes are also called corrugated pipes. The quality of the grouting has an important impact on the durability of the bridge. According to statistics, due to the quality of the grouting, the steel strands in the prestressed pipes are corroded, and the prestress is lost in advance, which can cause the actual life of the bridge. shortened to one-tenth of the design life. In order to ensure the quality and durability of prestressing in various environments, the quality control of prestressing pipe grouting is very critical, especially under the conditions of severe col...

AI Technical Summary

Problems solved by technology

Prestressed pipes are also called corrugated pipes. The quality of the grouting has an important impact on the durability of the bridge. According to statistics, due to the quality of the grouting, the steel strands in the prestressed pipes are corroded, and the prestress is lost in advance, which can cause the actual life of the bridge. Reduced to one tenth of the design life

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