Bearing Capacity of Flexible Pavement System Reinforced with Geosynthetics

• Main Authors: ZHANG, YU-CHENG, 張宇誠
• Other Authors: LAI, JIUNNREN
• Format: Others
• Language: zh-TW
• Published: 2018
• Online Access: http://ndltd.ncl.edu.tw/handle/mxa723

碩士 === 朝陽科技大學 === 營建工程系 === 106 === ABSTRACT Geosynthetics have been widely used as reinforcement material in geotechnical engineering such as retaing structure, pavement subgrade, Slope engineering, landscape engineering etc. However, there has been little discussion about their application reinforced on asphalt layer. The objective of this study is to evaluate the bearing capacity of flexible pavement system on weak subgrade reinforced with geosynthetics by laboratory California Bearing Ratio (CBR) test. The pavement system consists of both cold mix and hot mix asphalt, a aggregate layer, and a soft clay subgrade. Four geosynthetics were used as reinforcement material and were placed at four different locations. The bearing capacity of unreinforced and reinforced pavement systems were measured and compared. Results of these tests show that the bearing capacity of the pavement system can be increased by up to 166 % for cold mix asphalt, and 57 % for the hot mix asphalt.