山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2012年
23期
149-150
,共2页
低液限黄土%高填方路基%填筑质量
低液限黃土%高填方路基%填築質量
저액한황토%고전방로기%전축질량
loess with low liquid limit%high-fill subgrade%filling quality
针对我省西北地区普遍存在的含砂低液限黄土的颗粒组成、物理和力学性质、压实性能等问题进行试验研究和微观理论分析,研究含砂低液限黄土的内部结构与工程特性之间的关系,研究其压实机理,并针对特殊的压实特性提出相应合理的压实度控制指标,并优化现有的路堤压实工艺,确保含砂低液限黄土作为路堤填料的压实度要求。
針對我省西北地區普遍存在的含砂低液限黃土的顆粒組成、物理和力學性質、壓實性能等問題進行試驗研究和微觀理論分析,研究含砂低液限黃土的內部結構與工程特性之間的關繫,研究其壓實機理,併針對特殊的壓實特性提齣相應閤理的壓實度控製指標,併優化現有的路隄壓實工藝,確保含砂低液限黃土作為路隄填料的壓實度要求。
침대아성서북지구보편존재적함사저액한황토적과립조성、물리화역학성질、압실성능등문제진행시험연구화미관이론분석,연구함사저액한황토적내부결구여공정특성지간적관계,연구기압실궤리,병침대특수적압실특성제출상응합리적압실도공제지표,병우화현유적로제압실공예,학보함사저액한황토작위로제전료적압실도요구。
According to the common particle composition, the physical and dynamic feature, the compaction performance of the loess with low liquid limit in northwest of Shanxi province, the paper undertakes the experimental research and the microscopic theory analysis, researches the relationship between the internal structure of the loess with low liquid limit and its engineering features, studies its compaction mechanism, points out the respective reasonable compaction controlling index according to its typical compaction feature, and optimizes the current embank- ment compaction, and ensures the loess with the low liquid limit can meet the compaction demand as the embankment filler.
