CONTENTS EDITOR’S MESSAGE DIMENSION PUBLISHING SDN. BHD. (449732-T) Perpetual Relay, From Now To Then ................................................................ 4 Unit No. 3A-10, Block F Phileo Damansara 1, 9 Jalan 16/11 EDITORIAL Off Jalan Damansara, 46350 Petaling Jaya Geotechnical Engineering ................................................................................... 5 Selangor Darul Ehsan Tel : (603) 7955 5335 Fax : (603) 7955 5773 COVER STORY Email : [email protected] Karstic Features Of Kuala Lumpur Limestone ............................................... 6 FEATURES Chairman ROBERT MEBRUER SI & Geotechnical Engineering Design ...........................................................14 AGlimpse Of Engineering Geology And Rock Mechanics Publisher In Geotechnical Engineering In Malaysia ...................................................... PATRICK LEUNG 18 [email protected] Ground Improvement: Opportunities And Constraints ............................. 20 Routine Slope Maintenance Work ................................................................... 24 Editor GARY WONG Application Of Geosynthetics In Malaysia .................................................... 26 [email protected] The Role Of Numerical Modelling In Geotechnical Engineering .............. 28 Amalan Lestari Kejuruteraan Geoteknik ....................................................... Advertising Manager 30 JESSIE LEE Evolution of Precast Concrete Piles ................................................................ 38 [email protected] Ir. Ng Yit Kok’s March From “Yap” To “Koi” .............................................. 48 Senior Advertising Executive Telemetry Wireless Internet Web-Based Early Warning System For HASNIZAM BIN MOHAMAD Critical Slopes In Malaysia – A Geotechnical Perspective .......................... 50 [email protected] The Analysis And Design For Short Reinforced Graphic Designer Concrete Column Using Computer Method ................................................. 52 EVELYN LIM Reinforced Soil Structures With Geosynthetics .............................................56 [email protected] COMMENT Accounts Executive Comment On The Role Of Engineers On SHIRLEY THAM [email protected] Hill-Site Development .......................................................................................58 Accounts Assistant REPORTS SHAREENAWATI BT HARON IEM G&S Technical Delegation Tokyo Japan 2005, [email protected] April 2nd-9th (8D6N) ........................................................................................ 60 For advertisement placements and subscriptions, please contact: Tips On Designing A Drainage System Using Free Software And DIMENSION PUBLISHING SDN. BHD. Resources From The Internet To Meet The Requirements Of The “Manual Saliran Mesra Alam Malaysia” (MSMA) ............................... 63 BULETIN IEM BLUE PAGES The Institution and Dimension are not responsible for any statements made or opinions expressed by the writers or Membership .......................................................................................................... 1 reporters in its publication. ANNOUNCEMENT The Editorial Board reserves the right to edit all articles Survey For Graduate & Student Section Of IEM ............................................ 6 contributed for publication. Jurutera Monthly Circulation: 15,000 copies Notice – IEM By-Election .................................................................................... 7 Call For Nominations .......................................................................................... 8 READER’S CONTRIBUTION INVITED We invite members and others to submit comments REPORT and articles for publication in the Bulletin. Talk On High Capacity Jack-In Piles ...............................................................12 Library Announcement .............................................................................. 12 Please send your contribution to the Chief Editor, The Institution of Engineers, Malaysia Bangunan Ingenieur, Lots 60 & 62, Jalan 52/4, Peti Surat 223 (Jalan Sultan), 46720 Petaling Jaya, Selangor. Tel: 03-7968 4001/2 E-mail: [email protected] (Nurul) IEM Home Page: http://www.iem.org.my © 2005 The Institution of Engineers, Malaysia & Dimension Publishing Sdn. Bhd. Printed by : PRO PRESS PAPER PRODUCT (M) SDN BHD (652542-X) 21-23, Jalan PBS 14/9, Taman Perindustrian Bukit Serdang, 43300 Sri Kembangan, Selangor. Cover photograph courtesy of Tel : 03-8948 0149 Fax : 03-8948 0641 Ir. Yee Yew Weng JURUTERA, June 2005 3 EDITOR’S MESSAGE Perpetual Relay, from Now to Then ................................................................................................................................................................. ow, it is the usual time in every over the flag and soldier on. The form that one may see fit and beneficial Wmonth for the publishing of culture of “esprit de corps” should be towards making the IEM active and Jurutera, the monthly IEM Bulletin. nurtured among all the IEM members alive with a purpose. The new team of the Standing in order to hold the IEM flag high up We know that members have a lot Committee on Publications has just perpetually. of stories to tell, a lot of experiences to been appointed. With Ir. Prof. Dr The IEM’s main objective has been share, photographs of interesting Ruslan bin Hassan as our Chairman, to promote the science of engineering events, and a lot of updates on the we will give our best endeavor to in Malaysia both locally and abroad. latest advance of engineering in your inform members of any significant The immediate two past president, Ir. respective field or discipline. To make changes or events as timely as possible, Dr Gue See Sew and Ir. Prof. Abang the IEM successful as a learned society, adhere to the regular publications Abdullah bin Abang Ali, have given we hope to receive more contributions of the IEM Journal, Jurutera; the their best shot at the reinventing of the such as articles to make IEM monthly IEM Bulletin and any other image of Engineers in particular and publications something for readers to publications as well as contributing the engineering profession at large. look forward to each and every towards the continual improvement of The new session IEM President, Ir. publication. the IEM Library. Prof. Dr Ow Chee Sheng, in his We appeal to all members to pledge Members of the IEM present at the President Address has announced his in helping to make IEM as our beloved 46th Annual General Meeting on Road Map for the Way Forward. So it is and respected Institution. To love it 16 April 2005 witnessed the changing up to all of us as IEM members to close and nurture it so that it will of guards from the President, Deputy ranks, stay united and give whatever continuously grow towards achieving President, 7 Vice Presidents, Honorary support and commitment we can offer its objectives. Charity always begin at Secretary and Honorary Treasurer to to make all the effort worthwhile home. If we, the IEM own members, do the IEM Council Members. As in any towards achieving the objective. not respect it and love it then how relay team where one runner of each With the old saying that “Heavy is could we convince others who are from respective team, after completing his or the Head that wears the crown” as a the outside to respect IEM and her lap, would pass on the baton to his guide, to be able to deliver, IEM needs ourselves who are its members? or her immediate successive both good leaders and supportive and Before penning off, we wish to counterpart who will soldier on to committed members. It is of utmost thank for all our forerunners for their continue the race. This has been the importance that contribution from all invaluable contributions and we hope pattern and it is hoped that the the members towards the IEM in to emulate their untiring efforts for perpetual cycle will continue for the whatever forms that may be. This continuous improvement to make IEM promising future of the IEM. Actually could either be in the sacrifice of better in all respects. ■ to give it the proper perspective, it is valuable time to help in the various analogous to the flag bearer, where if committees, or contribute towards IEM one respective flag bearer falters or publications in the form of articles and Ir. Mah Soo falls, there should immediately be photographs of historical interest and The new Editor of Jurutera, another member to voluntarily take as referees to vet articles or in any other the monthly IEM Bulletin Errata In the June 2005 issue of JURUTERA, the image was erroneously duplicated for the article “Wastewater Treatment for the Recycled Pulp and Paper Industry”. The correct image is at the right. We regret any inconvenience caused due to this error. Figure 6 : MMF and Secondary Clarifier 4 JURUTERA, June 2005 EDITORIAL JURUTERA Number 6 June 2005 IEM Registered on 1st May 1959 MAJLIS BAGI SESI 2005/2006 (IEM COUNCIL SESSION 2005/2006) YANG DIPERTUA / PRESIDENT: Geotechnical Engineering Ir. Prof. Dr Ow Chee Sheng ..................................................................................... TIMBALAN YANG DIPERTUA / DEPUTY PRESIDENT: By: Ir. Tan Yean Chin Dato’ Paduka Ir. Keizrul bin Abdullah NAIB YANG DIPERTUA / VICE PRESIDENTS: Ir. Choo Kok Beng, Ir. Neoh Cheng Aik, Ir. Prof. Ishak bin Abdul Rahman, Ir. Prof. Dr Chuah Hean Teik, Ir. Prof. Dr Ruslan bin Hassan, Y. Bhg. Dato’