relation: https://khub.utp.edu.my/scholars/10710/
title: Issues in engineering geological classification of weathered sedimentary rocks: Case study of Kati Formation, Parit, Perak
creator: Mang, W.J.
creator: Md Rafek, A.G.
creator: Lai, G.T.
description: Kati Formation consists of alternating layers of sandstone, siltstone and mudstone that results in non-uniform weathering. The presence of surficial features due to weathering such as iron bands, iron recementation, iron staining and lithobionts coating in an uneven distribution on the outcrop causing more complexity to the heterogeneous sedimentary rocks which are also tectonically deformed. The presence of iron recementation in highly weathered rocks causing the rock strength to be higher than the moderately weathered rocks. Thus, several laboratory tests are conducted in this study to characterise the weathered rocks which are uniaxial compressive strength (UCS), point load strength index, slake durability test, jar slake test and Schmidt hammer rebound test. Among the laboratory tests conducted in this study, slake durability index test, I d2 is the ideal test to characterise the rock samples of different weathering grades as it gives a large range of laboratory test results which is 0.3  to 15.0  for completely weathered, 22.0  to 67.0  for highly weathered, 68.0  to 83.0  for moderately weathered and 87.0 to 98.0  for slightly weathered to fresh rocks. The values obtained are not affected by the uneven distribution of iron oxide present in the rock samples. © 2018 Authors.
publisher: Science Publishing Corporation Inc
date: 2018
type: Article
type: PeerReviewed
identifier:   Mang, W.J. and Md Rafek, A.G. and Lai, G.T.  (2018) Issues in engineering geological classification of weathered sedimentary rocks: Case study of Kati Formation, Parit, Perak.  International Journal of Engineering and Technology(UAE), 7 (4).  pp. 131-135.  ISSN 2227524X     
relation: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85059234370&doi=10.14419%2fijet.v7i4.35.22341&partnerID=40&md5=a59b3c36460df7834a20528847b598c1
relation: 10.14419/ijet.v7i4.35.22341
identifier: 10.14419/ijet.v7i4.35.22341