煤矸石填筑高速公路路基效益分析

Benefit analysis of filling expressway sub-grade with coal gangue

依托京沪高速公路莱芜至临沂(鲁苏界)段改扩建工程施工一标段路基施工项目,对用煤矸石填筑路基的经济效益和社会效益进行了分析,指出煤矸石填筑路基可以废料利用、保护耕地,促进环境治理和保护,具有较高的效益,值得在适宜地区大力推广。

Based on the sub-grade construction project of the first bid section of the reconstruction and expansion project of Laiwu to Linyi(Lusu boundary)section of Beijing-Shanghai expressway,this paper analyzes the economic and social benefits of filling sub-grade with coal gangue,and points out that filling sub-grade with coal gangue can make use of waste materials,protect cultivated land,promote environmental treatment and protection,and has high benefits,which is worth promoting in suitable areas.