Document Type : Original Article

Authors

• Seyed Ramtin Hashemi ¹
• Babak Aminnejad ²
• Vahid Rostami ³

¹ PhD Student, Department of Environmental Engineering, Faculty of Engineering, Islamic Azad University, Hamadan, Iran.

² Assistant Professor, Department of Civil Engineering, Roudehen Branch, Islamic Azad University, Roudehen, Iran

³ Assistant Professor, Department of Civil Engineering, Faculty of Engineering, Ha.C., Islamic Azad University, Hamedan, Iran

Abstract

One of the most prominent problems in the use of a cover layer is the formation of reflective cracks after the implementation of this layer. The results of the research show that reflective cracks are a very complex and variable phenomenon. This problem mainly occurs in the form of crack propagation from the underlying pavement layer to the cover layer. The use of Geogrids has been considered in recent years due to their role in increasing the bearing capacity and reducing the settlement of the reinforced base. Therefore, in this study, using numerical modeling and laboratory studies, Geogrids were placed under the pavement layers and the effect of using Geogrids was investigated by loading. One of the objectives of this study is to evaluate cracking in asphalt and investigate the effect of using Geogrids in improving the pavement resistance to cracking. After numerical modeling and laboratory studies, it was observed that the presence of Geogrids reduced cracking in asphalt pavements. PLAXIS 2D finite element software was used to simulate and analyze pavement behavior.

Keywords

• Reinforcement
• Geogrid
• Asphalt
• Bearing Capacity
• Settlement

Main Subjects

• Road and transportation