泵送混凝土现浇板早期裂缝分析

Analysis of Early Crack of Pump Concrete Cast-in-Site Slab

根据混凝土现浇板早期裂缝的形状分析,探讨其成因,提出控制和防治措施.

In the course of construction of the cast-in-site slab, often appear in the early crack of the concrete, not only has influenced the appearance quality of the cast-in-site board but also reduced the durability of the structure. Analysis according to cast-in-site slab form that crack appear concrete early crack can is it subside the plasticity setting crack, plasticity shrink crack, dry to shrink crack and temperature crack, and has carried on the discussion to the cause of the crack , has proposed controlling and preventing the measure, the control of the early crack of concrete while constructing has certain reference meanings for guiding the cast-in-site slab.