An Analytical Method for Determining the Load Distribution of Single-Column Multibolt Connection

The purpose of this research was to investigate the effect of geometric variables on the bolt load distributions of a cold-formed steel bolt connection. The study was conducted using an experimental test, finite element analysis, and an analytical method. The experimental study was performed using s...

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Main Authors: Nirut Konkong, Kitjapat Phuvoravan
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Advances in Civil Engineering
Online Access:http://dx.doi.org/10.1155/2017/1912724
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author Nirut Konkong
Kitjapat Phuvoravan
author_facet Nirut Konkong
Kitjapat Phuvoravan
author_sort Nirut Konkong
collection DOAJ
description The purpose of this research was to investigate the effect of geometric variables on the bolt load distributions of a cold-formed steel bolt connection. The study was conducted using an experimental test, finite element analysis, and an analytical method. The experimental study was performed using single-lap shear testing of a concentrically loaded bolt connection fabricated from G550 cold-formed steel. Finite element analysis with shell elements was used to model the cold-formed steel plate while solid elements were used to model the bolt fastener for the purpose of studying the structural behavior of the bolt connections. Material nonlinearities, contact problems, and a geometric nonlinearity procedure were used to predict the failure behavior of the bolt connections. The analytical method was generated using the spring model. The bolt-plate interaction stiffness was newly proposed which was verified by the experiment and finite element model. It was applied to examine the effect of geometric variables on the single-column multibolt connection. The effects were studied of varying bolt diameter, plate thickness, and the plate thickness ratio (t2/t1) on the bolt load distribution. The results of the parametric study showed that the t2/t1 ratio controlled the efficiency of the bolt load distribution more than the other parameters studied.
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spelling doaj-art-4e13c371a74e4d328428cfaa80db580d2025-02-03T06:11:16ZengWileyAdvances in Civil Engineering1687-80861687-80942017-01-01201710.1155/2017/19127241912724An Analytical Method for Determining the Load Distribution of Single-Column Multibolt ConnectionNirut Konkong0Kitjapat Phuvoravan1Department of Civil Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, ThailandDepartment of Civil Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, ThailandThe purpose of this research was to investigate the effect of geometric variables on the bolt load distributions of a cold-formed steel bolt connection. The study was conducted using an experimental test, finite element analysis, and an analytical method. The experimental study was performed using single-lap shear testing of a concentrically loaded bolt connection fabricated from G550 cold-formed steel. Finite element analysis with shell elements was used to model the cold-formed steel plate while solid elements were used to model the bolt fastener for the purpose of studying the structural behavior of the bolt connections. Material nonlinearities, contact problems, and a geometric nonlinearity procedure were used to predict the failure behavior of the bolt connections. The analytical method was generated using the spring model. The bolt-plate interaction stiffness was newly proposed which was verified by the experiment and finite element model. It was applied to examine the effect of geometric variables on the single-column multibolt connection. The effects were studied of varying bolt diameter, plate thickness, and the plate thickness ratio (t2/t1) on the bolt load distribution. The results of the parametric study showed that the t2/t1 ratio controlled the efficiency of the bolt load distribution more than the other parameters studied.http://dx.doi.org/10.1155/2017/1912724
spellingShingle Nirut Konkong
Kitjapat Phuvoravan
An Analytical Method for Determining the Load Distribution of Single-Column Multibolt Connection
Advances in Civil Engineering
title An Analytical Method for Determining the Load Distribution of Single-Column Multibolt Connection
title_full An Analytical Method for Determining the Load Distribution of Single-Column Multibolt Connection
title_fullStr An Analytical Method for Determining the Load Distribution of Single-Column Multibolt Connection
title_full_unstemmed An Analytical Method for Determining the Load Distribution of Single-Column Multibolt Connection
title_short An Analytical Method for Determining the Load Distribution of Single-Column Multibolt Connection
title_sort analytical method for determining the load distribution of single column multibolt connection
url http://dx.doi.org/10.1155/2017/1912724
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