A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Rice Husk Ash as a Sustainable Cementing Material for Concrete in Ethiopia
Dear Editor, As per our agreement form and your email advise, I am requesting to change the sequence of the authors as below. 1. Binaya Patnaik (Corresponding Author), 2. Gatbel Buony, 3. Zelalem Mekuria. Corresponding Author Email: binaya7708@gmail.comRapid urbanization and growth in construction activities in Ethiopia have created a huge demand for construction materials. Concrete which is most commonly used in construction activities across world uses cement as one of its key constituent material. However cement is expensive to be afforded by common man in a developing country like Ethiopia and also it has certain disadvantages like emitting greenhouse gases during its manufacturing process leading to global warming. Hence, alternative cheap cementing materials are of great interest to deal with such situation. In this current research an attempt has been made to study experimentally the fresh, mechanical and durability properties of Rice Husk Ash (RHA) based concrete of C30 grade by partially replacing cement with rice husk from 0 to 40% as a cementations material. The test result shows that the compressive strength and tensile strength of the hardened concrete increases with increase in OPC replacement with RHA up-to 10% and beyond that a decreasing trend can be seen. Non-destructive testing for compressive strength measurement of concrete has also performed by rebound hammer test and a mathematical relationship has been derived between the compressive and rebound number of RHA concrete which shows a good correlation. As part of the durability studies, the most important properties such as resistance to chloride attack and water absorption capacity of RHA concrete have been studied. The results clearly showed an increased resistance of RHA based concrete to chloride penetrability and water absorption compared to controlled concrete. Use of Rice Husk Ask can definitely be a solution for lowering the cement consumption in concrete there by reducing the greenhouse gas, proper agro waste management and more importantly an affordable alternative cementing material for common people in Ethiopia considering its economy.
Rice Husk Ash as a Sustainable Cementing Material for Concrete in Ethiopia
Dear Editor, As per our agreement form and your email advise, I am requesting to change the sequence of the authors as below. 1. Binaya Patnaik (Corresponding Author), 2. Gatbel Buony, 3. Zelalem Mekuria. Corresponding Author Email: binaya7708@gmail.comRapid urbanization and growth in construction activities in Ethiopia have created a huge demand for construction materials. Concrete which is most commonly used in construction activities across world uses cement as one of its key constituent material. However cement is expensive to be afforded by common man in a developing country like Ethiopia and also it has certain disadvantages like emitting greenhouse gases during its manufacturing process leading to global warming. Hence, alternative cheap cementing materials are of great interest to deal with such situation. In this current research an attempt has been made to study experimentally the fresh, mechanical and durability properties of Rice Husk Ash (RHA) based concrete of C30 grade by partially replacing cement with rice husk from 0 to 40% as a cementations material. The test result shows that the compressive strength and tensile strength of the hardened concrete increases with increase in OPC replacement with RHA up-to 10% and beyond that a decreasing trend can be seen. Non-destructive testing for compressive strength measurement of concrete has also performed by rebound hammer test and a mathematical relationship has been derived between the compressive and rebound number of RHA concrete which shows a good correlation. As part of the durability studies, the most important properties such as resistance to chloride attack and water absorption capacity of RHA concrete have been studied. The results clearly showed an increased resistance of RHA based concrete to chloride penetrability and water absorption compared to controlled concrete. Use of Rice Husk Ask can definitely be a solution for lowering the cement consumption in concrete there by reducing the greenhouse gas, proper agro waste management and more importantly an affordable alternative cementing material for common people in Ethiopia considering its economy.
Rice Husk Ash as a Sustainable Cementing Material for Concrete in Ethiopia
Lecture Notes in Civil Engineering
Das, B. B. (editor) / Gomez, Christy P. (editor) / Mohapatra, Benu. G. (editor) / Patnaik, Binaya (author) / Buony, Gatbel (author) / Mekuria, Zelalem (author)
2022-04-25
12 pages
Article/Chapter (Book)
Electronic Resource
English
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