An Analytical Study for the Strength of the High Tension Bolted Joints in Plate Girder

Junsu, Ham; Hwang, Woon Suk; Yang, Sung-Don; Chung, Jee-Seung

doi:10.7781/kjoss.2012.24.4.469

Cited by 4 publications

(2 citation statements)

References 1 publication

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“…The limitations of this study include identifying mechanical properties through experiments. Since numerous variables must be considered, it is difficult to control virtually all variables and conditions (10). For example, theoretically our dependent variable is a continuous one.…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, the sum of the linear distances, the sum of the squares of the linear distances, or the square of the sum of the linear distances may have a more explanatory power. Differing from a previous study, we decided not to consider cube of the distance (5). In principle, the square of the sum of the linear distances has the most information, including cross product (covariance in statistics) between terms.…”

Section: Introductionmentioning

confidence: 99%

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The most efficient position of magnets

Shin,

Shin

2024

J Emerg Invest

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People mount materials ranging from paper to wedding photo frames, including school notices to the refrigerators every day at home. The position of the mounts used is essential for both safety and durability. We investigated the most efficient way of positioning magnets that would hold the most pieces of paper on the surface of a refrigerator. We estimated our model coefficients using a regression model with the help of an artificial neural network and decision tree and focused specially on the feature importance measure. We found that when the four magnets are placed in symmetry while the rectangle formed (by drawing a line between the four magnets so that the four magnets become the vertices of the rectangle) contained the center of gravity of the papers, the magnets held more paper. The most efficient points of four magnets predicted in our analysis are in between the center of gravity of the papers and four centers of gravities of four quadrants of a paper. Our study not only considers conditions of efficiency, but also safety, aesthetics, and facility of comprehension. Our findings provide insight into magnet efficiency as resources are scarce, safe for applications, aesthetically pleasing, and easy for individuals to comprehend.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The most efficient position of magnets

Shin,

Shin

2024

J Emerg Invest

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Strength Behavior of High-tension Bolted Connections for I-shaped Plate Girder

Thazin¹,

Hwang²,

Ham³

2018

J. Korean Soc. Adv. Comp. Struc.

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Numerical Analysis on the Structure Behavior of the Connected Long-span Beam during Excavation in Narrow Streets

Choi¹,

Ha²,

Lee³

2020

jcoseik

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This study evaluates the structural behavior of connected long-span beams applied for excavation in urban areas with a narrow street. Generally, the reliability of the connection is reduced owing to the defect of the upper flange in the connection. An improved connection part was developed to complement the defects in the connected long-span beam. A finite element analysis based on a commercial program, ABAQUS, was employed to evaluate the behavior of the improved connection part. A numerical analysis model was proposed to analyze the high-strength bolt connection and the composite behavior of steel and concrete applied to the improved connection. The suitability of the proposed numerical analysis was verified by comparing the experimental and numerical analysis results of the references. Using the proposed numerical analysis method, the improved and general connections were analyzed and compared with each other. The stress distribution and elastic-plastic behavior of the long-span beam were analyzed numerically. The analysis confirmed that 25% of the compressive stress was improved, resulting in the improvement of structural safety and performance.

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An Analytical Study for the Strength of the High Tension Bolted Joints in Plate Girder

Cited by 4 publications

References 1 publication

The most efficient position of magnets

The most efficient position of magnets

Strength Behavior of High-tension Bolted Connections for I-shaped Plate Girder

Numerical Analysis on the Structure Behavior of the Connected Long-span Beam during Excavation in Narrow Streets

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