Extra-large-area factory building ground and curing construction method thereof

By using double-layer foundation installation and grid reinforcement frames, microfiber materials and other technical means in the floor of a super-large area factory, combined with the combination of compacted components, annular foundation walls, telescopic fillers and geotextile covers, the problem of ground cracks during concrete curing is solved, and the load-bearing stability and service life of the ground is significantly improved.

CN119641052APending Publication Date: 2025-03-18CHINA RAILWAY FIFTH BUREAU GRP SOUTH CHINA ENG CO LTD
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Patent Information

Application Number
CN202411897574.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

In the construction of a super-large factory floor, the shrinkage and temperature changes of concrete during the curing process lead to cracks on the ground, affecting the structural integrity and durability of the ground.

Method used

A double-layer foundation arrangement is adopted, including a concrete cushion layer and cast-in-place slab layer, and a grid reinforcement frame and microfiber material are installed inside it. Combined with compacted components and annular base wall, the ground deformation and soil erosion are reduced through the combination of telescopic fillers and geotextile covers.

Benefits of technology

It effectively improves the load-bearing stability and permeability of the ground, reduces the cracking of the ground, and strengthens the integrity and service life of the ground.

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Abstract

The invention discloses an ultra-large-area plant floor and a curing construction method thereof, and relates to the technical field of plant floors. The structure comprises a gravel base layer, a concrete cushion layer is poured at the top of the gravel base layer, a waterproof coiled material layer is laid at the top of the concrete cushion layer, a cast-in-place slab layer is poured at the top of the waterproof coiled material layer, a sealing surface layer is laid at the top of the cast-in-place slab layer, and the interiors of the concrete cushion layer and the cast-in-place slab layer are fixedly connected with grid steel bar frames. Through the double-layer foundation arrangement of the concrete cushion layer and the cast-in-place slab layer, the bearing stability and impermeability of the ground are effectively improved, the influence of differential settlement of the macadam base layer on the ground is reduced, meanwhile, the internal structural strength of the concrete cushion layer and the cast-in-place slab layer is enhanced through the arrangement of the grid steel bar frame, and the construction efficiency is improved. And when the top of the cast-in-place slab layer bears large weight, the cast-in-place slab layer is matched with the compaction assembly to extrude the side face of the macadam base layer, the macadam base layer is pushed to be compacted and gathered towards the middle, and the bearing strength of the ground is further improved.
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