Guangxi Communications Investment Group Co., Ltd.

Research Institute of Highway Ministry of Transport

Research Institute of Highway, Mot, Prc

Beijing Municipal Road & Bridge Building Material Group Co., Ltd.

Zhonglu High-tech Highway Technology (beijing) Co., Ltd.

Qin Fu

Zhijie Chen

Lei Zhang

Hao Liu

Ying Liu

Dapeng Wang

Xudong Wang

Zhe He

Bo Tian

Jiliang Wang

Zhi Wen Fu

Qian Xiao

Jinde Xie

Zhu Luo

Rongguo Hou

Hongfeng Sun

Xiuxiong Mo

Xingye Zhou

Chaoyang Guo

Peng Peng

Zuguang Yuan

The invention relates to mix composition determination method of coarse graded high modulus asphalt concrete with skeleton embedded structure, which belongs to the road engineering design field. The invention use low labeled hard asphalt AH-30# with penetration degree no greater than 30 (0.1 mm); the nominal maximum aggregate size no smaller than 26.5 mm; building mineral aggregate gradation of the mix using course aggregate gap gradation; using gradation design method of asphalt mixture based on closest compact condition to select the optimal oil-stone ratio.

Mix composition determination method of coarse graded high modulus asphalt concrete with skeleton embedded structure

An auxiliary member for pavement construction, including: a cylinder, a base plate and a leveling bolt; the cylinder includes a first cylinder part and a second cylinder part which are connected and communicated with each other, the first cylinder part is provided with a sling installing member and a slurry inlet, bottom of the second cylinder part is connected with the base plate, the base plate is provided with a bolt extending hole and multiple slurry discharging holes which are communicated with the inner cavity of the second cylinder part, the leveling bolt includes a bolt head and a screw, the screw extends through the bolt extending hole, the bolt head is arranged in the second cylinder part and the bolt head is smaller than the inner diameter of the second cylinder part. The present invention further provides a concrete slab and a method for pavement construction.

Auxiliary member for pavement construction, concrete slab and method for pavement construction

Growing community of inventors

Nanning, China

Qin Fu