Explanipedia

Block shear bonding performance of laran glued laminated timber under simulated environmental conditions Open

Wei Chen Lum, Norshariza Mohamad Bhkari, Anis Azmi, Mohd Shafee Harun, A Bahari · 2025

The block shear bonding performance was studied for glued laminated timber (glulam) manufactured from laran, a Malaysian plantation hardwood, under four treatment conditions designed to simulate service environments. Forty block shear spec…

Flame-retardant and electromagnetic interference shielding graphene-reinforced glucose–based foam Open

Wenhao Zhu, Jianyong Wan, Xuedong Xi, Shuduan Deng, Seng Hua Lee , et al. · 2025

Structural-Sized Compression Grade Stresses Derived from Malaysian Tropical Hardwood Timber Open

Zakiah Ahmad, Anis Azmi, Nurul Izzatul Lydia Za’ba, Wei Chen Lum, Norshariza Mohamad Bhkar · 2025

Strength properties of Malaysian timbers are given in MS 544: Part 2. However, the strength properties specified in MS 544: Part 2 was derived from the assessment of small clear specimen. In recent decades, there has been a significant and…

Wood cascading: a brief review on principles, impacts and limitations Open

Seng Hua Lee, Widya Fatrıasarı, Wei Chen Lum · 2025

Cascading is a principle that enhances resource efficiency by utilizing wastes andrecycled materials to maximize total biomass availability within a specific system.It adheres to the principles of a circular economy by minimizing waste and…

Application of a multi-parameter-based water quality index analysis for monitoring fishery industry wastewater treatment using bamboo activated carbon – A control chart approach Open

Jeng Young Liew, Danial Shamzari bin Hashim, Jia Geng Boon, Huck Ywih Ch’ng, Kooi Huat Ng , et al. · 2024

Bamboo activated carbon (BAC) was prepared and used for wastewater treatment. Its adsorption capability was investigated using control charts. The fishery industry wastewater in Jeli was sampled for 45 days. The adsorbent, i.e., 45 μm BAC …

Feasibility and properties of flat-pressed three-layer bamboo-rubberwood particleboards for resource-efficient production Open

Shibu Comath, Elaveetil Vasu Anoop, R Vishnu, Wei Chen Lum, Yusri Helmi Muhammad , et al. · 2024

This study aimed to develop new composites and evaluate the physico-mechanical properties and formaldehyde content of flat-pressed three-layer particleboard (FPTP) made of bamboo (as a face material) and rubberwood (as a core material) res…

UNLEASHING THE POTENTIAL: INVESTIGATING TENSILE STRENGTH GRADE STRESSES IN STRUCTURAL-SIZED MALAYSIAN TROPICAL TIMBER IN ACCORDANCE TO BS EN 408 Open

Nurul Izzatul Lydia Za’ba, Zakiah Ahmad, Tengku Anita Raja Hussin, Anis Azmi, Norshariza Mohamad Bhkari , et al. · 2024

There is no direct measurement of tensile strength have been determined for Malaysian tropical hardwood. The usual approach is to consider the tensile strength of timber as 60% of the small clear specimen's bending strength values, as spec…

Application of Weibull's Theory to Assess the Depth Effect of Malaysian Tropical Hardwoods According to Eurocode 5 Open

Nasroien Bambang Purwanto, Norshariza Mohamad Bhkari, Zakiah Ahmad, Rohana Hassan, Wei Chen Lum , et al. · 2023

The adoption of limit state design according to Eurocode 5 (EC5) has brought about design strength optimisation in design practices worldwide. However, the implementation of EC5 may not be suitable for Malaysian tropical timber species as …

Characterization of the properties of Buluh Madu (Gigantochloa albociliata) Open

Seng Hua Lee, Paridah Md Tahir, Syeed SaifulAzry Osman Al Edrus, Sabiha Salim, Aizat Ghani , et al. · 2023

Thirteen bamboo species are reported to be in commercial use in Malaysia. However, Buluh madu (Gigantochloa albociliata) did not make to the list. As a species, G. albociliata is cultivated for its delicious bamboo shoot and is demonstrate…

Manufacturing Study on Different Glue Spread and Press Pressure for Glued Laminated Timber Made from Laran Open

Muhammad Amirul Akmal Rosli, Norshariza Mohamad Bhkari, Muhammad Muzammil Zuki, Wei Chen Lum, Anis Azmi , et al. · 2023

Amidst challenges such as dwindling timber log supply from natural forests, concerns about timber quality, and rising timber costs, the timber industry has increasingly turned to engineered lumber solutions, including glued laminated timbe…

Depth effect of tropical heavy hardwood of kekatong species towards EC5 using Weibull’s theory Open

Nasroien Bambang Purwanto, Norshariza Mohamad Bhkari, Wei Chen Lum, Zakiah Ahmad, Anis Azmi , et al. · 2023

The design practice has shifted from permissible stress design to limit state design using Eurocode 5 (EC5), which introduces design strength optimization. However, the adoption of EC5 in Malaysia cannot be done directly due to the absence…

Influence of wax and resin content on the properties of three-layer rubberwood particleboard Open

Seng Hua Lee, Wei Chen Lum, Petar Antov, Ahmet Can, Widya Fatrıasarı , et al. · 2023

In this study, the effects of resin and wax content as well as board density on the modulus of rupture (MOR) and internal bonding (IB) and thickness swelling (TS), were investigated. Three-layer particleboard was made with rubberwood parti…

Effects of particles moisture and conditioning environment on the formaldehyde emission of urea formaldehyde-bonded particleboard Open

Wei Chen Lum, Seng Hua Lee, Petar Antov, Muhammad Adly Rahandi Lubis, Ľuboš Krišťák , et al. · 2023

The initial moisture content (MC) and conditioning environment are among the most important factors that affect the properties as well as formaldehyde emission of particleboard. In this study, a three-layer rubberwood particleboard bonded …

Mechanical Properties of Laminated Veneer Lumber (LVL) Fabricated from Three Malaysian Hardwood Species Open

Norshariza Mohamad Bhkari, Wei Chen Lum, Muhammad Shaiful Nordin, Nazatul Syuhada Zainal, Nurul Izzatul Lydia Za’ba , et al. · 2023

Theapplication of laminated veneer lumber (LVL) has long been limited to non-structural elements in Malaysia.LVL is commonly fabricated with veneer from low to medium density (290 to 630 kg/m3)softwood or temperate hardwood. The data on th…

Verification of Depth Adjustment Factor in Eurocode 5 for Tropical Hardwood Timbers Open

Adnie Baharin, Muhammad Amirul Akmal Rosli, Norshariza Mohamad Bhkari, Wei Chen Lum, Anis Azmi , et al. · 2023

The depth adjustment factor for bending strength stated in Eurocode 5 (EC5) is only applicable to timbers having a characteristic density below 700 kg/m 3 .However, most Malaysian timbers are hardwood, some with a characteristic density re…

Static bending performance on flatwise direction of Mengkulang and Kasai LVL beam in structural size Open

Nur Ilya Farhana Md Noh, Tan Khai Kim, Norshariza Md Bhkari, Zakiah Ahmad, Wei Chen Lum , et al. · 2023

Most of hardwoods in Malaysia is well known as strong and good as construction materials but listed under higher strength group which limited and expensive. Laminated veneer lumber (LVL) is one type of engineered wood product which display…

European Yield Model Exponential Decay Constant Modification for Glulam after Fire Exposure Open

Mohd Nizam Shakimon, Rohana Hassan, Nor Jihan Abd Malek, Azman Zainal, Ali Awaludin , et al. · 2022

Many real-scale fire tests have been performed on timber connections to analyze the mechanical behavior of timber connections in previous years. However, little research focused on the bending performance of glued laminated (glulam) timber…

Latest advancements in high-performance bio-based wood adhesives: A critical review Open

M. Hazwan Hussin, Nur Hanis Abd Latif, Tuan Sherwyn Hamidon, Nor Najhan Idris, Rokiah Hashim , et al. · 2022

International audience

Particleboard from agricultural biomass and recycled wood waste: a review Open

Seng Hua Lee, Wei Chen Lum, Jia Geng Boon, Ľuboš Krišťák, Petar Antov , et al. · 2022

The use of alternative raw materials such as agricultural biomass and recycled wood waste and by-products in particleboard production is a viable approach to respond to the increased global demand for wood-based materials, and it is a key …

Compressive Strength Characteristic Values of Nine Structural Sized Malaysian Tropical Hardwoods Open

Anis Azmi, Zakiah Ahmad, Wei Chen Lum, Adnie Baharin, Nurul Izzatul Lydia Za’ba , et al. · 2022

The design practice of timber structures in Malaysia is still based on permissible stress codes as stated in Malaysian Standard (MS) 544: Part 2 and MS 544: Part 3, which was adopted from the British Standard (BS) 5268. The British Standar…

Engineering Wood Products from Eucalyptus spp. Open

Seng Hua Lee, Wei Chen Lum, Petar Antov, Ľuboš Krišťák, Paridah Md Tahir · 2022

Forest covers 4.06 billion hectares (ha) or 31% of the total land area worldwide, where 93% (3.75 billion ha) are natural regenerating forests and the remaining 7% (294 million ha) are planted forests. Eucalyptus spp., being one of the mos…

Bending, Compression and Bonding Performance of Cross-Laminated Timber (CLT) Made from Malaysian Fast-Growing Timbers Open

Norshariza Mohamad Bhkari, Wei Chen Lum, Anis Azmi, Muhammad Shaiful Nordin, Norman Wong Shew Yam , et al. · 2022

This study investigated the bending, compression as well as the bonding performance of CLT panels made from fast-growing timber species, i.e., Laran (Neolamarckia cadamba) and Batai (Paraserianthes falcataria). The variables studied were t…

Properties of Particleboard from Oil Palm Biomasses Bonded with Citric Acid and Tapioca Starch Open

Radiah Zakaria, Paiman Bawon, Seng Hua Lee, Sabiha Salim, Wei Chen Lum , et al. · 2021

The study investigated the effects of the addition of starch on the properties of oil palm biomass particleboard bonded with citric acid. Three kinds of oil palm biomasses were used in this study for the fabrication of particleboard, namel…

Surface Modified Nanocellulose and Its Reinforcement in Natural Rubber Matrix Nanocomposites: A Review Open

Nik Muhammad Faris Hakimi, Seng Hua Lee, Wei Chen Lum, Siti Fatahiyah Mohamad, Syeed SaifulAzry Osman Al Edrus , et al. · 2021

Natural rubber is of significant economic importance owing to its excellent resilience, elasticity, abrasion and impact resistance. Despite that, natural rubber has been identified with some drawbacks such as low modulus and strength and t…

Static Bending Performance of Mengkulang and Kasai LVL Beam in Structural Size Open

Tan Khai Kim, Nur Ilya Farhana Md Noh, Norshariza Md Bhkari, Zakiah Ahmad, Wei Chen Lum , et al. · 2021

The scarcity of good quality timber initiates the timber industry shift to engineered timber products. Laminated veneer lumber (LVL) promising high strength and more dimensionally stable as well as flexible compared to conventional timber …

A Review on Citric Acid as Green Modifying Agent and Binder for Wood Open

Seng Hua Lee, Paridah Md Tahir, Wei Chen Lum, Tan Li Peng, Paiman Bawon , et al. · 2020

Citric acid (CA) can be found naturally in fruits and vegetables, particularly citrus fruit. CA is widely used in many fields but its usage as a green modifying agent and binder for wood is barely addressed. Esterification is one of the mo…

Survey of Leaf Fungal Disease on Urban Tree at Taman Putra Perdana, Putrajaya, Malaysia Open

Wei Chen Lum, Seng Hua Lee, Tan Li Peng, Ahmad Said Sajap · 2020

Background and Objective: Putrajaya serving as an important administration centre of Malaysia is a local attraction owing to its greenness and a number of recreational parks.Nevertheless, in comparison to roadside trees, there is little or…

Bending Strength Properties of Keruing and Light Red Meranti in Structural Size in Accordance with Eurocode 5 Open

Adnie Baharin, Zakiah Ahmad, Wei Chen Lum · 2020

In designing timber structures based on Eurocode 5, the referencestrength data are given in EN338 where the data are formulated from testing structural size specimens. Malaysian standard established strength grouping using grade stresses b…

Application of Response Surface Methodology Models for Dimensional Stability of Hydrothermally Treated Semantan Bamboo Open

Zaidon Ashaari, Seng Hua Lee, Juliana Abdul Halip, Wei Chen Lum, Ching Hao Lee · 2019

Semantan bamboo (Gigantochloa Scortechinii) was hydrothermally treated in three different buffered media, namely alkaline, neutral and acidic medium. Response surface methodology (RSM) models were developed for the influences of treatment …

Behaviour of Walls Constructed using Kelempayan (Neolamarckia cadamba) Wood Wool Reinforced Cement Board Open

Zakiah Ahmad, Wei Chen Lum, Seng Hua Lee, Wan Fatihah Wan Mohd Mahyiddin · 2018

This research investigated the behaviour of walls produced from wood wool cement board (WWCB) which were reinforced with a lesser known commercial timber, Kelempayan, when subjected to compression load.Kelempayan timbers were shredded into…

Wei Chen Lum YOU? Author Swipe