Test device for hot method snow melting and deicing of concrete bridge floor, and test method thereof

Abstract

The invention discloses a test device for hot method snow melting and the deicing of a concrete bridge floor, and a test method thereof, and is used for simulating the snow melting and the deicing ofa concrete bridge floor board. The test device comprises a heating cable, a concrete bridge floor board model, a thermal insulation layer, a temperature sensor and temperature monitoring equipment, wherein the concrete bridge floor board model comprises a reinforced concrete layer, an asphalt concrete pavement layer and a cement mortar surface layer which are overlapped and connected in sequence;the concrete bridge floor board model is manufactured, and the heating cable and the temperature sensor are arranged; the thermal insulation layer is arranged on the concrete bridge floor board model;a test device is installed to carry out a temperature rise test, a snow melting and deicing test and a pre-heating test in sequence to research the snow melting and deicing effect of the concrete bridge floor board model under different conditions and temperature working conditions. According to the test device, the technical problem in the prior art that the snow melting and deicing process of the concrete bridge floor cannot be effectively simulated is solved. In addition, the invention further provides a test method for the snow melting and the deicing of the concrete bridge floor, and a theoretical basis is provided for the snow melting and the deicing of a bridge.

Description

technical field [0001] The invention belongs to the field of bridge tests, and relates to a bridge snow-melting and ice-melting technology, in particular to a test device and a test method for thermally melting snow and ice on concrete bridge decks. Background technique [0002] Most parts of China are in snowy areas, especially in early winter and early spring, the problem of ice and snow accumulation on bridge decks is very common. Due to changes in temperature and vehicle loads, bridge decks are prone to form thin ice layers. When the road surface freezes, the adhesion coefficient decreases rapidly. , the binding force is significantly reduced, and the braking stability of the vehicle is significantly reduced, which often leads to vehicle brake failure, loss of directional control, easy skidding, and significantly prolonged braking distance, resulting in frequent traffic accidents. [0003] The snow-melting and ice-melting technologies widely used on bridges are deicing a...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a test method and test device for bridge deck electrothermal snow melting and ice melting, so as to solve the problem

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