Kar Sing Lim
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View article: An Overview of Theoretical Analysis Method for Composite Repaired Pipelines
An Overview of Theoretical Analysis Method for Composite Repaired Pipelines Open
Pipelines are an important way of transportation for gas, oil and other petroleum products, and they are typically exposed to a harsh environment, leading to corrosion defects, cracks, leakage, dents and so on. A composite repair system is…
View article: Progressive Collapse Resistance Mechanism of RC Frame Structure Considering Reinforcement Corrosion
Progressive Collapse Resistance Mechanism of RC Frame Structure Considering Reinforcement Corrosion Open
Corrosion causes reduction in cross-sectional area of reinforcement, deterioration of mechanical properties, and degradation of bonding properties between reinforced concrete, which are the most important factors leading to the degradation…
View article: Effective Strengthening of RC Beams Using Bamboo-Fibre-Reinforced Polymer: A Finite-Element Analysis
Effective Strengthening of RC Beams Using Bamboo-Fibre-Reinforced Polymer: A Finite-Element Analysis Open
This paper presents a finite-element model of the structural behaviour of reinforced concrete (RC) beams with and without openings externally strengthened with bamboo-fibre-reinforced composite (BFRC) plates. The simulation was performed u…
View article: Shear Strengthening of Reinforced Concrete Beams using GFRP
Shear Strengthening of Reinforced Concrete Beams using GFRP Open
Background: Glass fibre-reinforced polymer (GFRP) is often used as external strengthening material due to its unique benefits. However, the effectiveness of the strengthening configuration, which uses GFRP in different orientations, still …
View article: Effect of Multi-Walled Carbon Nanotubes on Infill Material for Pipeline Composite Repair
Effect of Multi-Walled Carbon Nanotubes on Infill Material for Pipeline Composite Repair Open
The properties of the infill material are an important parameter in predicting the performance and behaviour of Fibre Reinforced Polymer (FRP) composite for effective design. This paper identifies the potential of Multi-walled Carbon Nanot…
View article: An Overview of Numerical Studies on Flexural Performance of Built-Up Cold-Formed Steel Beam (CFSB) Filled with Concrete
An Overview of Numerical Studies on Flexural Performance of Built-Up Cold-Formed Steel Beam (CFSB) Filled with Concrete Open
Cold-formed steel (CFS) built-up sections have been recently introduced with other materials such as concrete connected by means of bolting and screws to avoid the problems of the CFS sections buckling. The flexural analysis of CFS-concret…
View article: Study the Fire Resistance of Desert Sand Concrete (DSC) with Interface Phase through Uniaxial Compression Tests and Analyses
Study the Fire Resistance of Desert Sand Concrete (DSC) with Interface Phase through Uniaxial Compression Tests and Analyses Open
The shortage of sand resources and high‐rise building fires are becoming increasingly prominent. Desert sand (DS) with smaller particles can effectively fill the concrete voids and further improve its working performance; it is used as a f…
View article: Effect of Defect Width upon Burst Capacity of Composite Repaired Pipe
Effect of Defect Width upon Burst Capacity of Composite Repaired Pipe Open
In recent years, FRP composite wrap repair is the most preferable pipeline rehabilitation system used in the pipeline industry. However, some issues concerning this repair method are not fully understood by the industry. Effect of defect g…
View article: Carbonation Resistance of Concrete with Fly Ash as Fine Aggregate
Carbonation Resistance of Concrete with Fly Ash as Fine Aggregate Open
In order to investigate the carbonation resistance of concrete with fly ash as fine aggregate (CFA), the rapid carbonation test was conducted to explore the influence of the curing age, water-to-cement (w/c) ratio, fly ash replacement rate…
View article: MECHANICAL PROPERTIES OF CARBON NANOTUBES-MODIFIED EPOXY GROUT FOR PIPELINE REPAIR SYSTEM
MECHANICAL PROPERTIES OF CARBON NANOTUBES-MODIFIED EPOXY GROUT FOR PIPELINE REPAIR SYSTEM Open
Epoxy grout properties are theoretically important in predicting the behaviour of the composite pipeline repair system. Usually, it is used as an infill material to fill the gap or irregularity on the surface caused by pipe corrosion and e…
View article: Modelling failure pressure of pipeline composite repair design using finite element analysis incorporating putty’s contribution
Modelling failure pressure of pipeline composite repair design using finite element analysis incorporating putty’s contribution Open
A composite repair system which consists of Fibre Reinforced Polymer (FRP) and putty as infill material has been proven effective in repairing pipeline system as it can structurally reinforce the damaged steel pipes and potentially prevent…
View article: Mechanical Properties of Graphene-Modified Epoxy Grout for Pipeline Composite Repair
Mechanical Properties of Graphene-Modified Epoxy Grout for Pipeline Composite Repair Open
In general, when the pipeline experiences metal loss on the external surface, epoxy grout has always be used to fill the gap before fibre reinforced composite can be applied to recover the pipeline strength. In this research, the existing …
View article: EFFECT OF PUTTY PROPERTIES IN REPAIRING CORRODED PIPELINE: A FINITE ELEMENT ANALYSIS
EFFECT OF PUTTY PROPERTIES IN REPAIRING CORRODED PIPELINE: A FINITE ELEMENT ANALYSIS Open
Underground pipelines are the most preferable way to transport oil and gas over a long distance. These steel pipelines often suffered from several deteriorations including corrosion. Corrosion causes the outer lining of a pipeline to thin …
View article: EFFECTS OF CLAY AND MOISTURE CONTENT ON SOIL-CORROSION DYNAMIC
EFFECTS OF CLAY AND MOISTURE CONTENT ON SOIL-CORROSION DYNAMIC Open
Soil corrosion is a serious threat to the integrity of buried structures such as underground storage tanks, oil and gas transmission pipelines, and many other structures. This paper investigates the effects of soil engineering properties t…
View article: Effective Dispersion of Carbon Nanotube in Epoxy Grout for Structural Rehabilitation
Effective Dispersion of Carbon Nanotube in Epoxy Grout for Structural Rehabilitation Open
The industry nowadays is incorporating the composite repair system for repairing pipelines rather than the conventional steel repair. The mechanism of this repair method usually consists of three components which are the composite wrapping…
View article: Tensile Properties of Epoxy Grout Incorporating Graphene Nanoplatelets for Pipeline Repair
Tensile Properties of Epoxy Grout Incorporating Graphene Nanoplatelets for Pipeline Repair Open
In oil and gas industry, fibre-reinforced polymer (FRP) composite are widely used to repair pipeline subjected to external metal loss. This repair technique can be done by incorporating epoxy grout as infill material to smoothen the defect…
View article: Tensile Behaviour of MWCNTs-Modified Epoxy Grout for Pipeline Repair
Tensile Behaviour of MWCNTs-Modified Epoxy Grout for Pipeline Repair Open
Infill material in the pipeline repair system works by filling the gap that is usually caused by corrosion before the fibre wrapper can be applied for pipeline recovery. In this study, nanocomposites were prepared by adding a small amount …
View article: STRENGTH DEVELOPMENT OF EPOXY GROUTS FOR PIPELINE REHABILITATION
STRENGTH DEVELOPMENT OF EPOXY GROUTS FOR PIPELINE REHABILITATION Open
Polymeric composites are increasingly being used as infill material in civil engineering applications for repairing damaged structures, including corroded pipelines. In repairing damaged pipelines, combination of composite layer and infill…
View article: Comparison of Mechanical Properties of Epoxy Grouts for Pipeline Repair
Comparison of Mechanical Properties of Epoxy Grouts for Pipeline Repair Open
Underground steel pipelines are the most efficient ways to transport oil and gas over a long distance. Steel pipes are considerably susceptible to deteriorate due to corrosion that can lead to serious pipeline failure. The application of f…
View article: Characterization Of Mechanical Properties Of Graphene-Modified Epoxy Resin For Pipeline Repair
Characterization Of Mechanical Properties Of Graphene-Modified Epoxy Resin For Pipeline Repair Open
This experimental study consists of a characterization of epoxy grout where an amount of 2% of graphene nanoplatelets particles were added to commercial epoxy resin to evaluate their behavior regarding neat epoxy resin. Compressive tests, …
View article: An Overview Of Corroded Pipe Repair Techniques Using Composite Materials
An Overview Of Corroded Pipe Repair Techniques Using Composite Materials Open
Polymeric composites are being increasingly used as repair material for repairing critical infrastructures such as building, bridge, pressure vessel, piping and pipeline. Technique in repairing damaged pipes is one of the major concerns of…
View article: Relationship Between in-situ Measurement of Soil Parameters and Metal Loss Volume of X70 Carbon Steel Coupon
Relationship Between in-situ Measurement of Soil Parameters and Metal Loss Volume of X70 Carbon Steel Coupon Open
Corrosion in soil environments is a serious threat to underground metallic structures such as oil and gas pipelines, waste containers and pilings. This study investigates the relationship between in-situ soil parameters and metal loss of X…