Construction method of paving concrete and paving concrete

摘要

PROBLEM TO BE SOLVED: To provide a technique associated with a concrete pavement which enables early traffic opening.SOLUTION: A concrete pavement has a two-layer structure comprising upper-layer and lower-layer structures. Rapid hardening concrete is placed as the lower structure. Before the rapid hardening concrete is hardened, mortar or concrete, in which dimensional stability is 0.050% or less in a material age of 28 days when a basic length is set to be a material age of two hours, is placed as the upper-layer structure.SELECTED DRAWING: Figure 1