Stabilization of colluvial soil using rice husk ash and micro silica powder

被引：5
|
作者：
Verma, Sachin [1 ]
Khanduri, Vidya Sagar [1 ]
Mittal, Anupam [2 ]
机构：
[1] Lovely Profess Univ, Sch Civil Engn, Phagwara, India
[2] Natl Inst Technol, Dept Civil Engn, Kurukshetra, Haryana, India
来源：
MATERIALS TODAY-PROCEEDINGS | 2020年 / 32卷
关键词：
Landslide; Shear strength; Rice husk ash; Micro silica power; Colluvial soil; SLOPE STABILITY; RESIDUAL SOIL;
D O I：
10.1016/j.matpr.2020.04.019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Landslide is one of the major hazards in hilly regions especially when we talk about Indian Himalayan mountain ranges. Colluvial soil obtained at base of hill slope is generally week and unconsolidated which need improvement to reuse. Here work is done to improve shear strength of weak Colluvial soil of Kotropi landslide, Himachal Pradesh. This colluvial soil can be used again in various engineering work after adding certain material in it. Although various additives are available but rice husk ash and micro silica powder is selected for partial replacement of soil due to its economic, social and environmental benefits. Soil tests are conducted to get different Geotechnical properties of soil. Various samples of soil are made by adding different percentage of additives. Shear strength of different sample is compared to find optimum proportion of additives. It is observed that 15% of rice husk ash and 4% of micro silica powder provide maximum strength. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：819 / 823
页数：5
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