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Muhammad Umar Zulkefli

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Add  Engineering Design and Product Development Unit (UKRP): rubber in engineering solutions
Authors: Mahmud Iskandar Seth A Rahim | Muhammad Umar Zulkefli | Ismaliza Ismail | Nik Zakaria Nik Yahya | Mahirah Mohd Idris | Mohd Azmeel Adli Amiruddin | Nazirah Ahmad
Date: 2024-02-6 |124-02-6 |2001–1 |2023 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Miscellaneous
Language: EN
Type: Article
Identifier: 1675-0373
Description: The Engineering Design and Product Development Unit (UKRP) has been playing a crucial role in supporting the development of the rubber products industry in Malaysia. UKRP provides technical expertise … More
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Add  The use of rubber in energy management of integral bridges
Authors: Muhammad Umar Zulkefli
Date: 2022-12-30 |2022-12-30 |2001–1 |2022 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Applications of rubber
Language: EN
Type: Article
Identifier: 1675-0373
Description: Integral abutment bridges (IAB) have become increasingly popular in the past few decades due to their simplicity in the design. This form of construction eliminates the need for bridge bearings and jo… More
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Add  Commercialisation of cuplump modied binder technology for road pavement
Authors: Nazirah Ahmad | Mahirah Mohd Idris | Muhammad Umar Zulkefli | Mazlina Mustafa Kamal | Mohd Khairulniza Mansor | Kamarulafifin Hadithon | Nik Zakaria Nik Yahya
Date: 2021-11-8 |2021-11-8 |2001–1 |2021 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Rubber Products
Language: EN
Type: Article
Identifier: 1675-0373
Description: The global economic slowdown has affected natural rubber (NR) demand especially for developments in the world automotive industry, where 70 to 80% of the world’s total rubber consumption is for tyre m… More
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Add  Six year evaluation of cuplump modified asphalt road in RRIM Experimental Station Kota Tinggi, Johor
Authors: Nik Zakariah Nik Yahya | Nazirah Ahmad | Mahirah Mohd Idris | Muhammad Umar Zulkefli
Date: 2021-11-8 |2021-11-8 |2001–1 |2021 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Rubber Products
Language: EN
Type: Article
Identifier: 1675-0373
Description: Following the research and development (R&D) activities on cuplump modified bitumen (CMB) initiated by the Malaysian Rubber Board (MRB) researchers in early 2014, the modified bitumen made its pavemen… More
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Add  The development of rubberised road technology: from tree to road
Authors: Mahirah Mohd Idris | Nik Zakaria Nik Yahya | Muhammad Umar Zulkefli | Nazirah Ahmad
Date: 2021-11-8 |2021-11-8 |2001–1 |2021 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Applications of rubber
Language: EN
Type: Article
Identifier: 1675-0373
Description: Infographic about the development of rubberised road programme using cuplumps and bitumen.
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Add  Development of pavement mix design using cuplump modified bitumen
Authors: Mahirah Mohd Idris | Muhammad Umar Zulkefli | Nazirah Ahmad | Nik Zakaria Nik Yahya
Date: 2021-11-3 |2021-11-3 |2001–1 |2021 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Laboratory Techniques
Language: EN
Type: Article
Identifier: 1675-0373
Description: The crucial aspect that affects the performance of pavements in hot mix asphalt is stability. It can be enhanced by increasing the internal friction between improving the shear resistance and aggregat… More
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Add  Research collaboration on cuplump modified asphalt with Public Works Department
Authors: Mazlina Mustafa Kamal | Kamarularifin Hadithon | Mohd Khairulniza Mansor | Nik Zakaria Nik Yahya | Mahirah Mohd Idris | Muhammad Umar Zulkefli | Nazirah Ahmad
Date: 2021-11-3 |2021-11-3 |2001–1 |2021 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Rubber Products
Language: EN
Type: Article
Identifier: 1675-0373
Description: The innovation of modified bitumen development based on natural rubber (NR) cuplump was initiated in 2014 and successfully patented later, (filing number PI2015002476), entitled “Method for preparing … More
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Add  Method for preparing coagulated latex and cuplump rubber-based modified bitumen (Patent Application)
Authors: Mohd Akbar Md Said | Ruhida Abd Rahim | Nazirah Ahmad | Mazlina Mustafa Kamal | Azhar Ahmad | Muhammad Umar Zulkefli | Mahirah Mohd Idris | Kamarularifin Hadithon | Mohd Khairulniza Mansor | Suhawati Ibrahim | Zairossani Mohd Nor
Date: 2016-08-16 |2016-08-16 |2001–1 |2016 | | | |30 September 2015 | | |
Subject: Applications of rubber
Language: EN
Type: Patent
Identifier: PCT/M Y2016/000038
Description: -
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Add  The use of cuplump modified bitumen (CMB) in 1km road resurfacing in Stesen Penyelidikan Kota Tinggi
Authors: Mahirah Mohd Idris | Nazirah Ahmad | Mazlina Mustafa Kamal | Kamarularifin Hadithon | Muhammad Umar Zulkefli
Date: 2016-01-29 |2016-01-29 |2001–1 |2015 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Applications of rubber
Language: EN
Type: Article
Identifier: 16750373
Description: Conventional asphaltic road system which uses bitumen and aggregates tend to fail prematurely due to rutting, crack and subsequently require repeated maintenance during its service life. Therefore, ru… More
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Add  Application of finite element analysis in rubber encapsulated helical spring
Authors: Wong HF | Ismaliza Ismail | Muhammad Umar Zulkefli
Date: 2015-03-24 |2015-03-24 |2001–1 |2014 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Chemistry and technology of rubber: general
Language: EN
Type: Article
Identifier: 16750373
Description: Rubber has been adopted for use in suspension systems of automobiles for many years to control the vehicular oscillation and acts as an energy absorption apparatus1. Earlier suspension systems which w… More
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Add  The need for modified asphalt for road improvement in Malaysia
Authors: Nazirah Ahmad | Muhammad Umar Zulkefli
Date: 2015-03-24 |2015-03-24 |2001–1 |2014 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Rubber chemistry, properties and testing
Language: EN
Type: Article
Identifier: 16750373
Description: Growth of economic productivity and the need for mobility have generated rapid development of roads and airports, leading to a steady increase in the use of bitumen/asphalt for road construction. For … More
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Add  Report on the 15th meeting of the ASEAN consultative committee for standards and quality (ACCSQ) rubber-based product working group (RBPWG) and 6th task force meeting on rubber based products, Vientiane Lao PDR (12-14 September 2012)
Authors: Faridah Hanim Ab Hanan | Nur Salwanie Mohd Resali | Amir Hashim Md Yatim | Mohamad Khairul Akmal Amran | Muhammad Umar Zulkefli | Mohamad Asri Ahmad
Date: 2012-11-26 |2012-01-10 |2001–1 |2012 | | | | | | |
Subject: Visit Report | Standard and Quality | Rubber Products
Language: EN
Type: Report
Identifier: valet-20121126-123322
Description: The objectives of the meeting are to discuss on the status and follow up actions from the previous 14 meeting of ACCSQ RBPWG and to ensure that all objectives (for RBPWG) are met by having regular mee… More
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Add  Laporan kursus "complete guideto Matlab-essence for language of technical computing", Kuala Lumpur (9-11 Julai 2012)
Authors: Muhammad Umar Zulkefli
Date: 2012-11-22 |2013-01-22 |2001–1 |2012 | | | | | | |
Subject: Visit Report | System technology | Miscellaneous
Language: ML
Type: Report
Identifier: valet-20121122-081647
Description: Kursus Complete Guide to MatLab: Essence for Language of Technical Computing ini adalah persediaan bagi kemahiran penggunaan aplikasi pengaturcaraan Matlab. Matlab adalah satu aplikasi penting bagi pe… More
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Add  Comparative study of Malaysian bridges under low level earthquake
Authors: Muhammad Umar Zulkefli
Date: 2011-08-17 |2011-08-17 |2001–1 |2011 | | | | | | |
Subject: PRRIM | MRB Rubber Technology Development | Miscellaneous
Language: EN
Type: Article
Identifier: 16750373
Description: The common design of bridges in Malaysia are divided to two categories; the Conventional Bridge (CB) and the Integral Bridge (IB). The former is the normal bridge that has been present in Malaysian hi… More
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Add  The seismic analysis of Malaysian bridges
Authors: Muhammad Umar Zulkefli
Date: 2011-01-28 |2011-01-28 |2001–1 |2010 | | | | | | |
Subject: PRRIM | Others | Seismic | Rubber Products
Language: EN
Type: Article
Identifier: valet-20110128-113947
Description: Malaysia is situated at a close proximity to countries of very high seismic activities. The devastating earthquake of Mexico (1985) and Gujarat (2000) were was the result of a distant earthquake whose… More
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