Application Research Of Multi Hammer Rubblization Technology

With the rapid economic development in recent years, the increasing road traffic, vehicle axle load gradually increased, affecting the road surface over years of use and heavy-duty vehicles, part of the cement concrete pavement have been a very serious disease.Based on the analysis of cement concrete pavement diseases, this paper discusses the damage types of cement pavement, and analyzes the causes of disease and maintenance(renovation) method, with an emphasis on the old cement concrete pavement void detection and identification technology(FWD detection and evaluation methods radar detection methods) a theoretical analysis, numerical analysis and field test panel deformation characteristics of cement concrete pavement under the FWD action, proposed the use of deflection-load curve slope determination Slabs empty gravel techniques recommended values and apply conditions; multi hammer gravel of technology test through concrete pavement, construction parameters determined drop height, weight spacing, quality control, and relying Guangxi Pingbai Highway Pavement Reconstruction of gravel effect was evaluated.