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EVALUATION OF RUTTING ON SEMI DENSE BITUMINOUS CONCRETE BY USING POLYMER MODIFIED MIX
| 题名： | EVALUATION OF RUTTING ON SEMI DENSE BITUMINOUS CONCRETE BY USING POLYMER MODIFIED MIX |
| 正文语种： | 英文 |
| 作者： | H. S. Goliya |
| 关键词： | modified；process；observe；flexible；binder；polymer；stability；xception；proportion；evaluation |
| 摘要： | In recent past, need of improvement in performance of flexible pavement by use of waste material has been felt due to increasing intensity of distresses and accumulation of large amount of plastic wastes. Rutting is one of the distresses in flexible pavement which is critical because of both its nature and intensity observed all over the places. Surface courses in flexible pavements are considered most important in tackling with rutting. IRC 37-2012, proposed that predominantly rutting happen in surface course and this can be minimized to an exceptionally lesser degree by utilization of PMB or CRMB. In this research LDPE (Low Density Polyethylene) was used as modifier and added in three groups of proportion 3％, 6％, and 9％ by weight of Binder. Marshall test and rut test on wheel rut tester were performed on both conventional VG 30 mix and polymer modified mix. The polymer modified bituminous mix is obtained by adopting wet process or dry process. It was found that stability is greater in case of modified bituminous mix as compared with conventional mix when 9％ of LDPE by weight of binder was added by dry process. By adopting wet process in place of dry process further increase in stability was observed. Adding 9％ LDPE by weight of binder through wet process is determined as most stable modified bituminous mix. Minimum rutting was observed in modified mix by wet method. |
| 出版年： | 2017 |
| 论文唯一标识： | I-75Y2017V45N08004 |
| 英文栏目名称： | TECHNICAL PAPERS |
| 期刊名称： | Indian Highways |
| 拼音刊名(出版物代码)： | I-75 |
| 卷： | 45 |
| 期： | 08 |
| 页码： | 17-22 |
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