The article introduces the preparatory work at early stage of bituminous pavement construction,and illustrates the quality control at construction stage from mixing and transport of bituminous concrete,construction survey,setting out and double check,paving,rolling and molding of bituminous concrete,and joint treatment,in order to increase durability of bituminous pavement.

The article introduces bridge widening design in Zhengzhou section reconstruction project in Lian-Huo expressway which contains the methods to widen bridge deck,upper structure and sub-structure,and compares the schemes of bridge vertical joint treatment,which to offer a reference for relevant designs.

The crack treatment on the upstream surface of the left-8 dam section of Three Gorges Project;

During the implementation of crack treatment program and project program, according to the characteristics of construction site, supervisors standardize the reception-signature process on the spot, and formulate the construction quality management method.

In situ test method of equivalent dead-load was used to inspect and verify the structure s performance of a simply supported reinforced concrete single plate beam bridge with 13 meter span before and after warping joint treatment.