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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of Korean Society of Steel Construction
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Journal DOI :
Korean Society of Steel Construction
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Volume & Issues
Volume 13, Issue 5 - 00 2001
Volume 13, Issue 4 - 00 2001
Volume 13, Issue 3 - 00 2001
Volume 13, Issue 2 - 00 2001
Volume 13, Issue 1 - 00 2001
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A Study on the Characteristics of High Tensile Strength Steel(SM570) Plates in Compression Members
Im, Sung-Woo ; Ko, Sang-Ki ; Chang, In-Hwa ;
Journal of Korean Society of Steel Construction, volume 13, issue 3, 2001, Pages 223~232
Column tests subjected to compressive loading were carried out for the estimation of compression buckling strength of steel plate SM570 in beam-column member under high axial load. It was found that the maximum strength of column member was determined by local buckling when satisfied with a limit of width-to-thickness ratio in current steel structure design specifications, but decreased suddenly by local buckling before the maximum strength in case of not satisfying with that ratio. Also, the compression buckling strength of SM570 plate was higher than the design specification value of 4
Flexural Rigidity Reduction of Multi-Delaminated Composite Beams
Park, Tae-Hyo ; Baek, Jae-Wook ; Cho, Baik-Soon ;
Journal of Korean Society of Steel Construction, volume 13, issue 3, 2001, Pages 233~244
In this study, flexural rigidity reduction of multi-delaminated composite beams are investigated. In order to evaluate the flexural rigidity reduction. Performed theoretical analysis. In order to investigate flexural rigidity reduction about effects of delamination on composite beams, the general kinematic governing equations are derived and solved by dividing the delaminated beam and imposing the continuity conditions into each sub-beam. For condition to appear multiple delamination through the laminated composite beams, the flexural rigidity reduction are compared according to many stacking sequences and several forms for delaminations. The present study could be used to evaluate the flexural rigidity reduction of composite laminated beams on multi-delaminations.
Strength Behavior of Simply Supported Longitudinally Profiled Plates
Hwang, Won-Sup ; Kim, Hyun-Min ;
Journal of Korean Society of Steel Construction, volume 13, issue 3, 2001, Pages 245~254
This paper presents the basic data for the strength behavior of longitudinally profiled plates(LP plate). The effects of loading conditions, thickness and slenderness ratio of plates are examined by using FEM analysis. The analysis results shown that the strength behavior of LP plate is varied with the loading conditions. The major causes of the reduction in strength are the distribution of deflection and the slenderness ratio of plate. Based on the results, this paper presents some discussions about the strength evaluation of LP plate with considering the equivalent thickness.
An Experimental Study on the Shear Behavior of Composite Slabs Using Newly Developed Flat Deck-Plate(ACE-DECK)
Heo, Byung-wook ; Yang, Myung-Sook ; Bae, Kyu-woong ; Oh, Sang-Hoon ;
Journal of Korean Society of Steel Construction, volume 13, issue 3, 2001, Pages 255~263
Longitudinal shear failure is the most common failure-type in composite slabs. In this paper, the shear-connection behavior of composite slabs with a particular profiled steel sheeting, so called ACE-DECK, having a depth of 60mm is studied experimentaly. Twenty two pull-out test specimens of different shapes, concrete topping thickness, and different steel sheeting thickness are carried out. It is founded that the shear connection behavior of composite slabs are not affected significantly in the steel sheeting thickness and concrete topping thickness. A new type of profiled steel sheeting is more effective in shear-bond strength that of existing flat-type deck plate, which can offer longitudinal shear strength in composite slope up to
An Experimantal Study on the Flexible Capacity of New Shape Flat Deck Plate(ACE-DECK) for Using Composite Slabs Systems.
Oh, Sang-Hoon ; Jang, In-wha ; Bae, Kyu-woong ; Heo, Byung-wook ; Yang, Myung-sook ;
Journal of Korean Society of Steel Construction, volume 13, issue 3, 2001, Pages 265~277
This paper present a study on the flexural behavior of composite slabs using the flat-type profiled(ACE-DECK) steel deck plate which are developed recently. Forty eight composite slabs with different thickness, span, shear span and deck profile were tested to evaluate the flexural capacity and compared to the existing traperzodial deck profiles (KEM, ALPHA-DECK) According to the experiment results, flat-type profiled steel deck plate indicates more excellent capacity than existing traperzodial deck profiles in strength, stiffness, and ductility. The equation proposed by ASCE code for the effective moment of inertia are more acceptable than the equation proposed by ACI code. Thus, in this paper, test results are summarized by strength, stiffness, and deformation capacity for the specimens.
Strength of Axially Loaded Concrete-Filled Tubular Stub Column.
Kang, Chang-Hoon ; Oh, Young-Suk ; Moon, Tae-Sup ;
Journal of Korean Society of Steel Construction, volume 13, issue 3, 2001, Pages 279~287
This paper presents an experimental and analytical study on the behavior of concrete-filled tubular stub columns concentrically loaded in compression to fail. Total eleven specimens were tested and test parameters are the depth-to-thickness ratios of steel tube and the ratio of concrete cylinder strength-to-yield stress of steel tube. Depth-to-thickness ratios of steel tube between 20.22
A Numerical Study on the Semi-Rigid Behavior of Steel Tubular Column to H Beam Connection with Exterior Square-Plate Diaphragms
Chae, Yong-Soo ; Choi, Sung-Mo ; Kim, Dong-Kyu ;
Journal of Korean Society of Steel Construction, volume 13, issue 3, 2001, Pages 289~299
The purpose of this study was to analyze the characteristics of semi-igid behavior of the steel tubular column to H-beam connection reinforced with exterior square-plate diaphragms and to check the main parameters that affect this behavior. Steel tube connections without interior diaphragm and/or complicated exterior diaphragm show the considerable flexibility due to out of-plane deformation of tube flange. For the exact analysis well-reflected the effect of this flexibility on the overall frame performance. it need to find out the moment-rotation curve function that well trace the result of experiment in the whole region and the function should be simply transformed into an adequate form for the nonlinear analysis program. After collecting several test data same to the connection type considered. we carried out FEM analysis using ANSYS for the assumed beam-to-column connection developed from the simple tension test and the results are compared with experimental values. Based on the parametric study. we proposed the moment-relation curve function and performed the multiple-regression analysis procedure for three parameters consisting of this function with the main geometric parameter of this connection type.
Reducing Effect of Wind-induced Vibration on Rectangular Model of Super-Highrise Building with Length of Corners Cutting
Cheong, Yung-Bea ;
Journal of Korean Society of Steel Construction, volume 13, issue 3, 2001, Pages 301~311
For a rectangular-highrise building with aspect ratio about six, the resonant wind speed of wind-induced vibration or galloping start wing speed can be within the design wind speed. The wind-induced vibration and galloping of highrise building with aspect ratio
, side ratio D/B=1 to 2 at intervals of 1/4 D/B were investigated in smooth flow. For the reducing effect of wind-induced vibration of highrise building, rectangular-highrise building with corners cutting about side ratio D/B=2 were investigated. Experimental results show that in the smooth flow non corners-cutting cases have tendency of increasing wind-induced vibration and galloping vibration then corner-cutting section. Therefore, the wind-induced vibrations on rectangular-highrise buildings were reduced effectively by using corner cut method.
Impact Performance of Bridge Rail Composed of Composite Post and Tubular Thrie Beam
Ko, Man-Gi ; Kim, Kee-Dong ;
Journal of Korean Society of Steel Construction, volume 13, issue 3, 2001, Pages 313~325
Tubular bridge rail was developed to restrain and redirect a 14ton van-type truck. The developed bridge rail permits better visibility than concrete safety-shape bridge rail, and it has better structural adequacy than the existing steel and aluminum bridge rails in Korea. The new bridge rail consists of a tubular thrie beam(TTB) rail and a steel guard rail, which are connected to composite posts. The TTB shape provides both better containment of diverse bumper heights and more tight fit between the ends of bridge rail and roadside guardrails than the existing bridge rail sections currently used in Korea. Making composite post by filling concrete inside the steel pipe of the same size as are used for the roadside guardrail post was found to be more efficient in increasing the stiffness and ultimate strength than simply increasing the size of the steel pipe. The system was crash-tested for the impact condition of 14ton-80km/h-
, and it satisfied all evaluation criteria set forth in NCHRP Report 350 for a Test Level 4 safety appurtenance. Acceptable performances were obtained in computer simulations for the impact condition of S2.