Jin-Sun Lim

Jin-Sun Lim
SAMWOO IMC CO., LTD · R&D Center

Ph.D

About

38
Publications
15,027
Reads
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144
Citations
Citations since 2017
11 Research Items
110 Citations
20172018201920202021202220230510152025
20172018201920202021202220230510152025
20172018201920202021202220230510152025
20172018201920202021202220230510152025
Additional affiliations
October 2015 - January 2016
SAMWOO IMC
Position
  • Researcher
September 2015 - December 2015
Incheon National University
Position
  • Lecturer
Description
  • Construction Materials
September 2015 - December 2015
Incheon National University
Position
  • Lecturer
Description
  • Basic Computer Programing(MATLAB)

Publications

Publications (38)
Article
An analytical exploration of the effects of shear span-to-depth ratio on the shear strength of reinforced concrete beams was carried out using a meso-scale finite-element method. Prior to the numerical analysis, a method of defining concrete as meso-scale composites of multi-phases was described. The concrete was assumed to be a composite with thre...
Article
An analytical study on the compression, tension and shear strengths of concrete and corresponding size effect is conducted using the meso-scale finite-element method (FEM). Prior to the analysis, a method of defining concrete as a meso-scale composite and multi-phase is described. The concrete is assumed to be a composite with three phases: aggrega...
Article
Full-text available
In this study, strain gages were installed at the centre, edge, and corner of concrete pavement slabs of Incheon International Airport based on the slab depth, whereas thermometers were positioned at the slab centre to measure the slab behaviour according to the temperature change. A three-dimensional finite element model simulating the airport conc...
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Full-text available
An analytical study using a non-linear finite-element method was carried out to evaluate the effect of the shape and spacing of shear studs on the behaviour of steel-plate–concrete walls subject to blast loads. The size of the analytical model was determined by reference to an existing literature review and code requirements (Kepic-SNG). The analyt...
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Full-text available
In this study, an analytical study for effect of a/d and effective depth on shear strength of RC beams was carried out using meso-scale finite element method. Prior to the analysis, a method of defining concrete as a meso-scale composite and multi-phase was described. The concrete was assumed to be a composite with three phases of aggregate, cement...
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Full-text available
An analytical study using non-linear finite-element modelling was conducted to evaluate the capacity improvement of adding studs between the concrete and steel plates in a steel-plate–concrete wall subjected to bending and shear. Non-linearity of the contact, connection details and material properties were considered when modelling the wall. The si...
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Full-text available
In this study, an analytical study on the compression strength and size effect of concrete was carried out using the meso scale finite element method. Prior to the analysis, a method of defining concrete as a meso-scale composite and multi-phase was described. The concrete was assumed to be a composite with three phases, aggregates, mortar matrix,...
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Full-text available
The natural frequency and damping ratio of steel plate-concrete (SC) walls subjected to forced oscillation were analytically reviewed to determine the effects of stud shape and spacing on the behaviour of SC walls. Nine finiteelement (FE) analyses were conducted considering different stud shapes and spacings. Shear-dominated (SC-S) and flexure-domi...
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A numerical study was conducted to investigate the effect of the shape and spacing of developed inclined studs on the behaviour of steel-plate–concrete shear walls subject to combined loads of axial force, bending moment and shear. Finite-element analyses considering different shapes and stud spacings were carried out. The results showed that the c...
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Full-text available
A real-time location (RTL) system was developed to improve safety for multiple laborers in confined construction sites. The RTL system can monitor the location and movement of multiple laborers in real time. A portable RTL system with a low-battery mode was developed to accommodate various constraints in the construction site. A conventional RTL sy...
Article
This study analytically reviewed the behavior of steel plate concrete (SC) walls subjected to forced oscillation to determine the effects of the shape and arrangement spacing of studs on the behavior of SC walls. Towards this end, nine cases of finite-element (FE) analysis considering the different shape and spacing of the studs in the SC walls wer...
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Full-text available
An analytical study in which the nonlinear finite element method (FEM) was applied has been conducted in an effort to evaluate the capacity improvement of a shear connection through the use of developed studs between the concrete and the steel plate in a steel plate concrete (SC) wall subjected to bending moment. For a FE model of SC walls, the non...
Article
Real time location system was development for safety management at road and bridge maintenance field. The system can check the real-time location detection, movement history, behavior of a number of laborers. The system consisted of a Bluetooth and ZigBee that uses low-power. It had a very large error that the previous method for the position recog...
Article
Real time location (RTL) system which can control the safety of laborers in the underground space is developed in this study. This innovative system can monitor the location and history of movement of multiple laborers in real time. To accommodate constrains of the underground space, the system is portable and composed with low-battery mode. Since...
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Full-text available
PURPOSES: The national highways and expressways in Korea constitute a total length of 17,951 km. Of this total length of pavement, the asphalt pavement has significantly deteriorated, having been in service for over 10 years. Currently, hot in-place recycling (HIR) is used as the rehabilitation method for the distressed asphalt pavement. The deteri...
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An analytical study was conducted to investigate the effect of the shape and spacing of modified inclined studs used as shear connector between concrete and steel plate on the cyclic behavior of steel plate concrete (SC) shear wall. 9 different analysis cases were adopted to determine the optimized shape and spacing of stud. As the results, the ske...
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Full-text available
This study analytically reviewed the behavior of Steel Plate Concrete(SC) walls subjected to cyclic loads to investigate the effects of shape and arrangement spacing of studs on the behavior of SC walls. To perform it, 9 cases of finite element analyses considering the different shape and spacing of studs in SC wall were carried out. As the results...
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Full-text available
This paper investigates the hygro-thermal expansion behavior of concrete as a function of the internal temperature and humidity changes caused by thermodynamics and moisture diffusion. The effects of age and moisture on the Coefficient of Thermal Expansion (CTE) of concrete were evaluated by measuring the temperature, humidity, and strain of cylind...
Article
In this study, the behavior of Steel Plate Concrete (SC) walls subjected to shear and axial forces to investigate the effects of shape and arrangement spacing of studs on the design of SC walls was analytically reviewed. For this purpose, 9 cases of finite element analyses considering the different shape and spacing of studs in SC wall were perform...
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Full-text available
To accurately estimate the tensile stress distribution in concrete pavement slabs, their viscoelastic characteristics must be clearly identified, because in a drying concrete slab, creep and stress relaxation occur in a complex manner over a long time. In this study, a restrained ring test was conducted to determine the viscoelastic characteristics...
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Existing road pavement specifications require that contractors meet only certain material and construction conditions regardless of pavement life. However, performance-based warranty specifications guarantee preservation of the product and designate responsibility for repair of defects to contractors. The warranty contracts and specifications for p...
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In this study, it was conducted to improve the performance of stud of Steel Plate Concrete(SC) walls subjected to bending moment. Non-linearity of contact interface, connection, and material properties were considered in finite element modeling of SC wall. In order to validate the analytical model, furthermore, a foregoing laboratory experiment was...
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This paper presents the results of an analysis of the interlayer friction characteristics between a concrete slab and various types of subbases, which are commonly used in concrete pavement construction. The interlayer friction characteristics were examined by conducting push-off tests on concrete slabs placed on top of lean concrete, crushed stone...
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Different backcalculation algorithms produce different elastic moduli which are used as a key indicator of structural capacity of concrete pavements. Accordingly, the elastic moduli backcalculated by various backcalculation algorithms have been evaluated using the elastic moduli of cores of concrete pavement layers measured in the laboratory. Howev...
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PURPOSES: In this study, various laboratory tests were performed to investigate the suitability of wasted vinyl as a modifier of asphalt binder. METHODS: Based on the ASTM specification, variations in material properties of asphalt binder such as penetration, flash point, softening point, ductility, penetration index (PI), and performance grade (PG...
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A mechanistic-empirical pavement design guide (MEPDG) for portland cement concrete pavement (PCCP) has been developed recently and, within it, the coefficient of thermal expansion (CoTE) of concrete is considered as a crucial variable. Previous research has suggested that the concrete CoTE is affected by the availability of moisture in capillary an...
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Non-uniform moisture distribution through the depth of jointed concrete pavement causes greater shrinkage at the top of the slab than at the bottom. This kind of shrinkage behaviour induces warping and tensile stress in the top surface of the slab. The warping shape changes with concrete age. In this study, an instrumented concrete slab with vibrat...
Article
Tensile stress occurs and random crack develops in concrete pavement slab when it contracts by variation of temperature and humidity. The tensile stress decreases and the random crack is minimized by sawcutting the slab and inducing the crack with regular spacing. The random crack, joint damage, decrease of load transfer efficiency are caused by to...
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Full-text available
Concrete slab curls and warps due to the uneven distribution of temperature and moisture and as the result, internal stress develops within the slab. Therefore, environmental loads must be considered in addition to the traffic loads to predict the lifespan of the concrete pavement more accurately. The strength of the concrete slab is gradually decr...
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Full-text available
Volume of concrete slab changes by temperature and moisture effects. At that time, tensile stress develops because the slab volume change is restrained by friction resistance between the slab and subbase, and then crack occurs occasionally. Accordingly, researchers have made efforts to figure out the friction characteristics between the slab and su...
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In this paper, overseas criteria and research results were reviewed to develop a rational criterion proper to domestic airport runways on measurement of friction coefficient and removal of rubber deposit. The friction coefficients of the runways of the Incheon International Airport were measured by the ASFT(Airport Surface Friction Tester) from Aug...
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Full-text available
Volume of concrete slab changes by variations of temperature and moisture after its placement. Shrinkage due to evaporation causes tensile stress in the slab when contraction of the slab is restrained by its self weight, friction with subbase, and etc. Actual tensile stress caused by the shrinkage was less than theoretically predicted stress accord...
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Torsional behavior of concrete pavement slabs due to temperature and moisture effects is constrained by self weight and friction etc, and causes stress as the result. The stress due to humidity variation in the slab is difficult to calculate while that due to temperature variation can easily be calculated by a commercial structural analysis program...
Article
Fatigue cracking occurs over long time period because dynamic strength of slab continuously decreases by vehicle loading repetitively applied to the concrete pavement. To more accurately predict the fatigue life of the concrete pavement, the stress due to environmental loading should be considered prior to calculating the stress due to the vehicle...
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Full-text available
A single slab concrete pavement has been modeled and analyzed by ABAQUS program. The stress and displacement of the JCP slab under traffic load with frictionless contact interaction between slab and base calculated by ABAQUS program have been compared with the results obtained by KENSLABS program. The results of the stresses of the two modeling sho...

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