Pre-casting construction method for tunnel groove cover plate

Abstract

The invention discloses a pre-casting construction method for a tunnel groove cover plate. The method comprises the following steps of: (a), mixing concrete, and transporting the concrete to a pre-casting yard; (b), vibrating the concrete in a mold to form precast blocks; (c), transporting the precast blocks to a maintenance yard for maintenance; (d), transferring and de-molding the precast blocks; (e), stacking the precast blocks of the cover plate. By the adoption of the method, the construction quality of the precast blocks can be ensured. By the adoption of transporting, transferring and hoisting equipment in cooperation with manual operation, the labor intensity is greatly reduced, the construction progress is accelerated, and the cost is saved.

Description

technical field [0001] The invention relates to a tunnel trench cover plate and a prefabricated construction method of small concrete blocks, and the construction method is particularly suitable for centralized prefabrication of small concrete components. Background technique [0002] The manufacturing method of existing tunnel groove cover plate usually comprises the following steps: [0003] First, make wooden or steel molds on site with steel plates, wood and other components as models, and mix concrete on site, then use small vibrators or flat vibrators to tamp the concrete, and use it after demoulding during the curing period. Manual transport to the storage site. [0004] The main disadvantages of the above-mentioned method for manufacturing tunnel trench cover plates are: the labor intensity of the operators is high, and the construction quality is not easy to guarantee, especially in the following aspects: [0005] 1. The accuracy of the simple model is poor, and i...

AI Technical Summary

Problems solved by technology

[0004] The main disadvantages of the above-mentioned method for manufacturing tunnel trench cover plates are: the labor intensity of the operators is high, and the construction quality is not easy to guarantee, especially in the following aspects:

[0005] 1. The accuracy of the simple model is poor, and it will be damaged or deformed after being used for many times, resulting in poor appearance quality of the prefabricated block;

[0006] 2. Small-scale vibrators or flat-plate vibrators are used for concrete tamping, and the local or surrounding tamping is not in place, and the quality of the cover plate cannot be guaranteed;

[0007] 3. The cover plate is completely transported and stacked manually, the labor intensity of the operators is high, and the corners are easily damaged

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