Cement-stabilized Modified High Fines Melaka Series for Roadbases

Roads are a crucial infrastructural element in the progress of a nation. Unavailability of suitable base materials causes total building cost to escalate. Strict adherence to standards to satisfy maximum working conditions would disregard the abundant supply of substandard materials. This paper dis...

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Main Authors: Megat Mohd Noor, Megat Johari, Abdul Aziz, Azlan, Maail, Shukri
Format: Article
Language:English
English
Published: Universiti Putra Malaysia Press 1995
Online Access:http://psasir.upm.edu.my/id/eprint/3826/
http://psasir.upm.edu.my/id/eprint/3826/1/Cement-stabilized_Modified_High_Fines.pdf
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author Megat Mohd Noor, Megat Johari
Abdul Aziz, Azlan
Maail, Shukri
author_facet Megat Mohd Noor, Megat Johari
Abdul Aziz, Azlan
Maail, Shukri
author_sort Megat Mohd Noor, Megat Johari
building UPM Institutional Repository
collection Online Access
description Roads are a crucial infrastructural element in the progress of a nation. Unavailability of suitable base materials causes total building cost to escalate. Strict adherence to standards to satisfy maximum working conditions would disregard the abundant supply of substandard materials. This paper discusses the potential exploitation of such substandard materials through modification of the strength characteristics. Rural and farm roads in developing countries are generally lightly trafficked, thus justifying a lower strength criterion (1.7 MN/m2 ) than normally adopted. Soils with high fines content are unsuitable for cement stabilization. The selected Melaka series was modified by the addition of river sand. Cement was subsequently added to the mixture and stabilized mechanically. Various soil sand-cement proportions were studied in terms of strength characteristics. A significant increase in strength, from 0.2 MN/mt to nearly 3 MN/m2, was noted with soil sand ratio of]:] with 12% cement content. This represents about a 14fold strength increase satisfying the current compressive strength of 2.8 MN/ mt for roadbases. The unit cost of producing the mixture was equivalent to supplying crusher run in a typical road project. The 1.7 MN/m2 criterion was met with a minimum cement content of 8% and a soil·sand ratio of 2:1. With 1.7 MN/m2 strength criterion, nearly 35% savings could be made by using the modified Melaka series soil instead of crusher run.
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spelling upm-38262013-05-27T07:11:33Z http://psasir.upm.edu.my/id/eprint/3826/ Cement-stabilized Modified High Fines Melaka Series for Roadbases Megat Mohd Noor, Megat Johari Abdul Aziz, Azlan Maail, Shukri Roads are a crucial infrastructural element in the progress of a nation. Unavailability of suitable base materials causes total building cost to escalate. Strict adherence to standards to satisfy maximum working conditions would disregard the abundant supply of substandard materials. This paper discusses the potential exploitation of such substandard materials through modification of the strength characteristics. Rural and farm roads in developing countries are generally lightly trafficked, thus justifying a lower strength criterion (1.7 MN/m2 ) than normally adopted. Soils with high fines content are unsuitable for cement stabilization. The selected Melaka series was modified by the addition of river sand. Cement was subsequently added to the mixture and stabilized mechanically. Various soil sand-cement proportions were studied in terms of strength characteristics. A significant increase in strength, from 0.2 MN/mt to nearly 3 MN/m2, was noted with soil sand ratio of]:] with 12% cement content. This represents about a 14fold strength increase satisfying the current compressive strength of 2.8 MN/ mt for roadbases. The unit cost of producing the mixture was equivalent to supplying crusher run in a typical road project. The 1.7 MN/m2 criterion was met with a minimum cement content of 8% and a soil·sand ratio of 2:1. With 1.7 MN/m2 strength criterion, nearly 35% savings could be made by using the modified Melaka series soil instead of crusher run. Universiti Putra Malaysia Press 1995 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/3826/1/Cement-stabilized_Modified_High_Fines.pdf Megat Mohd Noor, Megat Johari and Abdul Aziz, Azlan and Maail, Shukri (1995) Cement-stabilized Modified High Fines Melaka Series for Roadbases. Pertanika Journal of Science & Technology, 3 (2). pp. 285-295. ISSN 0128-7680 English
spellingShingle Megat Mohd Noor, Megat Johari
Abdul Aziz, Azlan
Maail, Shukri
Cement-stabilized Modified High Fines Melaka Series for Roadbases
title Cement-stabilized Modified High Fines Melaka Series for Roadbases
title_full Cement-stabilized Modified High Fines Melaka Series for Roadbases
title_fullStr Cement-stabilized Modified High Fines Melaka Series for Roadbases
title_full_unstemmed Cement-stabilized Modified High Fines Melaka Series for Roadbases
title_short Cement-stabilized Modified High Fines Melaka Series for Roadbases
title_sort cement-stabilized modified high fines melaka series for roadbases
url http://psasir.upm.edu.my/id/eprint/3826/
http://psasir.upm.edu.my/id/eprint/3826/1/Cement-stabilized_Modified_High_Fines.pdf