Use of Rice Husk Ash (RHA) as a Sustainable Cementitious Material for Concrete Construction

2018 ◽  
pp. 197-210 ◽  
Author(s):  
Mohammad Badrul Ahsan ◽  
Zahid Hossain
Keyword(s):  
Rice Husk ◽  
Rice Husk Ash ◽  
Cementitious Material ◽  
Concrete Construction

scholarly journals Rice Husk Ash as Supplementary Cementitious Material in Rigid Pavement - An attempt to Reduce Carbon Footprint

2020 ◽  
Vol 9 (2) ◽  
pp. 01-03
Author(s):  
Rishee Kumar Singh Rishee Kumar Singh ◽  
Namrata Singh Namrata Singh ◽  
Vikas Srivastava Vikas Srivastava
Keyword(s):  
Rice Husk ◽  
Carbon Footprint ◽  
Rice Husk Ash ◽  
Cementitious Material ◽  
Rigid Pavement ◽  
Supplementary Cementitious Material

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.

Study on Treatment Processes and Basic Performance of Steel Slag-Rice Husk Ash Complex Cementitious Material

2014 ◽  
Vol 599 ◽  
pp. 346-349
Author(s):  
Lin Chen ◽  
Jun Cai ◽  
Bao Quan Li ◽  
Xin Yan Zhang
Keyword(s):  
Rice Husk ◽  
Rice Husk Ash ◽  
Cement Mortar ◽  
Setting Time ◽  
Steel Slag ◽  
Cementitious Materials ◽  
Cementitious Material ◽  
Treatment Processes ◽  
Treated Steel ◽  
Basic Performance

In this paper, a novel composite cementitious material was prepared by using steel slag and rice husk ash. The appreciate treatment processes of composite cementitious material prepared were investigated. At same time its basic performance of cement mortar, such as water demand ratio, setting time, soundness and strength were also investigated and discussed. Experimental results show that the cementitious materials prepared has good basic properties with appreciate treatment processes. It concluded that the properly treated steel slag and rice husk ash can be used to prepare cementitious material.

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