Strength and Impact of Rice Husk Ash on Expansive Soil by Using Soil Stabilization

2021 ◽  
pp. 73-80
Author(s):  
Sonoo Kumar ◽  
R. P. Singh ◽  
S. K. Paswan
Keyword(s):  
Rice Husk ◽  
Soil Stabilization ◽  
Rice Husk Ash ◽  
Expansive Soil

scholarly journals Utilization of Cementitious Material from Residual Rice Husk Ash and Lime in Stabilization of Expansive Soil

2019 ◽  
Vol 2019 ◽  
pp. 1-17 ◽  
Author(s):  
Yuyi Liu ◽  
Yunhe Su ◽  
Abdoullah Namdar ◽  
Guoqing Zhou ◽  
Yuexin She ◽  
...  
Keyword(s):  
Rice Husk ◽  
Soil Stabilization ◽  
Rice Husk Ash ◽  
Expansive Soil ◽  
Strength Properties ◽  
Cementitious Material ◽  
Initial Water Content ◽  
Time Deformation ◽  
Mix Proportion ◽  
Deformation Properties

Geological disasters often occur due to expansion and shrinkage properties of expansive soil. This paper presents a cementitious material combined with rice husk ash (RHA) obtained from biomass power plants and lime to stabilize expansive soil. Based on compressive and flexural strength of RHA-lime mortars, blending ratio of RHA/lime was adopted as 4 : 1 by weight for soil stabilization. When mix proportion of RHA-lime mixture varied from 0% to 20%, specific surface area of stabilized expansive soil decreased dramatically and medium particle size increased. The deformation and strength properties of stabilized expansive soil were investigated through swelling test, consolidation test, unconfined compression test, direct shear test, and so on. With increase in RHA-lime content and curing time, deformation properties including swelling potential, swelling pressure, compression index, crack quantity, and fineness of expansive soil lowered remarkably; meanwhile, strength properties involving unconfined compressive strength, cohesion, and internal friction angle improved significantly. Considering engineering performance and cost, mix proportion of 15% and initial water content of 1.2 times optimum moisture content were recommended for stabilizing expansive soil. In addition, effectiveness of RHA-lime to stabilize expansive soil was achieved by replacement efficiency, coagulation reaction, and ion exchange.

scholarly journals Study of expansive soil stabilized with agricultural waste

2021 ◽  
Vol 2070 (1) ◽  
pp. 012237
Author(s):  
Tinku Biswas ◽  
Rishav Garg ◽  
Himanshu Ranjan ◽  
Ashwini Kumar ◽  
Gaurav Pandey ◽  
...  
Keyword(s):  
Moisture Content ◽  
Rice Husk ◽  
Soil Stabilization ◽  
Rice Husk Ash ◽  
Agricultural Waste ◽  
Expansive Soil ◽  
Soil Surface ◽  
Vital Role

Abstract During any construction on soil surface such as construction of road and airport pavements, compaction of the soil is required and soil stabilization plays a vital role. Various characteristics of soil should be optimized with different factors. Expansive soil has property of swelling when moisture content increases and shrinking when water gets evaporated. Rice husk is a major agricultural waste that is easily available in in India and is generally burnt to get rice husk ash (RHA). This study has been aimed to get dual benefit, first to stabilize expansive soil by addition of RHA and second to effectively utilize RHA, the agricultural waste. It has been observed that at 12% RHA in presence of 5% cement can be effectively used to improve plasticity of soil and CBR value resulting in effective soil stabilization. Thus, the research demonstrates that agricultural waste has efficient use in soil stabilization.

scholarly journals Stabilisation of Red Soil By using Coconut Coir Fibre and Rice Husk Ash

2020 ◽  
Vol 9 (3) ◽  
pp. 535-540
Keyword(s):  
Rice Husk ◽  
Soil Stabilization ◽  
Rice Husk Ash ◽  
Expansive Soil ◽  
Liquid Limit ◽  
Engineering Properties ◽  
Coir Fibre ◽  
Soil Stabilisation ◽  
Problematic Soils ◽  
Coconut Coir

The focus of this report is to study the feasibility of stabilizing the soil by using rice husk ash and coconut coir fibre, thus re-using the waste materials and providing an economical and eco-friendly method of soil stabilization. Soil stabilisation is a system to treat the soil to improve the performance of the soil. The capacity, rice husk ash as stabilizing additive to expansive soil is evaluated for the enhancing engineering properties of expansive soil. The Assessment includes the dedication of the swelling capacity, plastic limit, liquid limit, plasticity index, cohesion & compaction characteristics of the expansive soil. For the soil which lacks enough stability, various stabilization techniques can be adopted. Various percentage of rice husk ash and coconut coir Fibre (5% to 25%). the practices were executed on 5 proportions 5% ,10%,15%, 20% and 25% with the sample. The optimum value of the assessment is found at the proportion of 15% in table 3i.e.the value of unconfined compressive strength is 142kN/m2. Expansive clays are very problematic soils and not suitable for construction. Because of the change in volume when it exposes to water. Usually in rainy season, they absorb water and swells and in summer it shrinks.

scholarly journals Utilization of Sustainable Materials to Enhance Geotechnical Characteristics of Soils

2018 ◽  
Vol 7 (2.1) ◽  
pp. 54
Author(s):  
Rama Subba Rao, G.V
Keyword(s):  
Rice Husk ◽  
Soil Stabilization ◽  
Rice Husk Ash ◽  
Geotechnical Engineering ◽  
Fine Sand ◽  
Waste Materials ◽  
Engineering Practice ◽  
Geotechnical Characteristics ◽  
Sustainable Materials ◽  
By Products

Geotechnical engineering can noticeably affect the sustainability of infrastructure development because of its beginning place in the construction practice. Utilization of waste materials for enhancing properties of the soil is a wise choice and is also one step towards accomplishing sustainable development. Application of by-products (viz., flay ash and rice husk ash) which could be defined as “sustainable materials”, find special place in the modern-day soil stabilization and modification exercise. The preset paper aims at enhancing properties of expansive soil with inclusion of industrial by-products namely Rice Husk ash and Fly Ash. Further the present paper focuses on improving geotechnical characteristics of fine sand upon reinforcing with ground shredded rubber tire. Fine sand has a low angle of internal friction and which in turn has low shear strength. Reuse of waste materials is one area of research which attempts to makes geotechnical engineering practice sustainable.  

Soil Stabilization using Rice Husk Ash, Lime and Jute

2016 ◽  
Vol 3 (2) ◽  
pp. 10-29
Author(s):  
Vishnu T.C ◽  
◽  
Raseem Rasheed ◽  
Shadiya K ◽  
Rameesha K ◽  
...  
Keyword(s):  
Rice Husk ◽  
Soil Stabilization ◽  
Rice Husk Ash

scholarly journals Strength and Microfabric of Expansive Soil Improved with Rice Husk Ash and Lime

2020 ◽  
Vol 2020 ◽  
pp. 1-8
Author(s):  
Jinrong Ma ◽  
Yunhe Su ◽  
Yuyi Liu ◽  
Xiangling Tao
Keyword(s):  
Rice Husk ◽  
Rice Husk Ash ◽  
Harmful Effect ◽  
Expansive Soil ◽  
Pozzolanic Activity ◽  
Strength Increase ◽  
Free Expansion ◽  
Improvement Effect ◽  
Cementing Material ◽  
Curing Age

Expansive soil has harmful effect on engineering. Rice husk ash (RHA) has high pozzolanic activity, so it can form new cementing material with lime or cement to solidify soil. In this paper, the tests of free expansion rate, water ratio limit, and optimum moisture content (OMC) are carried out; then, RHA and lime were added to artificial soil in different proportions of 5, 10, 15, and 20% by weight, in which the ratio of RHA to lime is 80 : 20. The unconfined compressive strength (UCS) in different curing age is measured, and the improvement effect of RHA and lime to expansive soil can be obtained. Finally, the reason of improvement effect is explained by using the scanning electron microscope (SEM). The results of the study show that (1) for the best utilization effect, the optimum percentage of RHA is 12% and lime is 3%; (2) the UCS is 2.6 times of the pure soil after curing of 14 d under the optimum percentage; (3) the curing age has a significant effect on strength; (4) the main reason for the strength increase of the modified soil is that the crystal produced by the pozzolanic activity fills the pores of the soil.

Sign in / Sign up

Export Citation Format

Share Document