Experimental Investigations and Numerical Simulations of the Vibrational Performance of Wood Truss Joist Floors with Strongbacks

This paper provides an experimental study and computer modeling analysis of vibration performance of full-scale wood truss joist floors, related to the static deflection and vibration mode/frequency and single-person-induced vibration. The vibration behavior of full-scale truss joist floors was inve...

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Autores principales:	Yinlan Shen, Haibin Zhou, Shuo Xue, Xingchen Yan, Jiahao Si, Cheng Guan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	wood truss joist floor strongbacks vibration mode point load deflection human-induced vibration Plant ecology QK900-989
Acceso en línea:	https://doaj.org/article/6dc4737d7b26487cbe88d5595ad31bd4
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spelling	oai:doaj.org-article:6dc4737d7b26487cbe88d5595ad31bd42021-11-25T17:37:53ZExperimental Investigations and Numerical Simulations of the Vibrational Performance of Wood Truss Joist Floors with Strongbacks10.3390/f121114931999-4907https://doaj.org/article/6dc4737d7b26487cbe88d5595ad31bd42021-10-01T00:00:00Zhttps://www.mdpi.com/1999-4907/12/11/1493https://doaj.org/toc/1999-4907This paper provides an experimental study and computer modeling analysis of vibration performance of full-scale wood truss joist floors, related to the static deflection and vibration mode/frequency and single-person-induced vibration. The vibration behavior of full-scale truss joist floors was investigated and the influences of the strongbacks on the vibration behavior were assessed. The results showed that the simulated predictions agreed well with the measured results. Strongbacks do not significantly affect the fundamental frequency of the truss joist floors but influence the second and third modal frequencies. The use of strongback rows at mid-span effectively decreased the maximum deformation of point loading at floor center. The effect of adding strongbacks at one-third of each span on decreasing maximum deformation at the floor center was minimal. The case of walking parallel to the joist produced higher acceleration response at the floor center than that of walking perpendicular to the joist. The closer the placements of strongbacks were to the mid-span, the more significant reduction of the vibration at floor center was. Two strongback rows at mid-span performed the best effect on reduction of vibration response at floor center. However, the use of strongbacks had limits of reduction peak acceleration of the sheathing between the joists. The study provides a valuable guide for future vibration serviceability study and design optimization of wood truss joist floors.Yinlan ShenHaibin ZhouShuo XueXingchen YanJiahao SiCheng GuanMDPI AGarticlewood truss joist floorstrongbacksvibration modepoint load deflectionhuman-induced vibrationPlant ecologyQK900-989ENForests, Vol 12, Iss 1493, p 1493 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	wood truss joist floor strongbacks vibration mode point load deflection human-induced vibration Plant ecology QK900-989
spellingShingle	wood truss joist floor strongbacks vibration mode point load deflection human-induced vibration Plant ecology QK900-989 Yinlan Shen Haibin Zhou Shuo Xue Xingchen Yan Jiahao Si Cheng Guan Experimental Investigations and Numerical Simulations of the Vibrational Performance of Wood Truss Joist Floors with Strongbacks
description	This paper provides an experimental study and computer modeling analysis of vibration performance of full-scale wood truss joist floors, related to the static deflection and vibration mode/frequency and single-person-induced vibration. The vibration behavior of full-scale truss joist floors was investigated and the influences of the strongbacks on the vibration behavior were assessed. The results showed that the simulated predictions agreed well with the measured results. Strongbacks do not significantly affect the fundamental frequency of the truss joist floors but influence the second and third modal frequencies. The use of strongback rows at mid-span effectively decreased the maximum deformation of point loading at floor center. The effect of adding strongbacks at one-third of each span on decreasing maximum deformation at the floor center was minimal. The case of walking parallel to the joist produced higher acceleration response at the floor center than that of walking perpendicular to the joist. The closer the placements of strongbacks were to the mid-span, the more significant reduction of the vibration at floor center was. Two strongback rows at mid-span performed the best effect on reduction of vibration response at floor center. However, the use of strongbacks had limits of reduction peak acceleration of the sheathing between the joists. The study provides a valuable guide for future vibration serviceability study and design optimization of wood truss joist floors.
format	article
author	Yinlan Shen Haibin Zhou Shuo Xue Xingchen Yan Jiahao Si Cheng Guan
author_facet	Yinlan Shen Haibin Zhou Shuo Xue Xingchen Yan Jiahao Si Cheng Guan
author_sort	Yinlan Shen
title	Experimental Investigations and Numerical Simulations of the Vibrational Performance of Wood Truss Joist Floors with Strongbacks
title_short	Experimental Investigations and Numerical Simulations of the Vibrational Performance of Wood Truss Joist Floors with Strongbacks
title_full	Experimental Investigations and Numerical Simulations of the Vibrational Performance of Wood Truss Joist Floors with Strongbacks
title_fullStr	Experimental Investigations and Numerical Simulations of the Vibrational Performance of Wood Truss Joist Floors with Strongbacks
title_full_unstemmed	Experimental Investigations and Numerical Simulations of the Vibrational Performance of Wood Truss Joist Floors with Strongbacks
title_sort	experimental investigations and numerical simulations of the vibrational performance of wood truss joist floors with strongbacks
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6dc4737d7b26487cbe88d5595ad31bd4
work_keys_str_mv	AT yinlanshen experimentalinvestigationsandnumericalsimulationsofthevibrationalperformanceofwoodtrussjoistfloorswithstrongbacks AT haibinzhou experimentalinvestigationsandnumericalsimulationsofthevibrationalperformanceofwoodtrussjoistfloorswithstrongbacks AT shuoxue experimentalinvestigationsandnumericalsimulationsofthevibrationalperformanceofwoodtrussjoistfloorswithstrongbacks AT xingchenyan experimentalinvestigationsandnumericalsimulationsofthevibrationalperformanceofwoodtrussjoistfloorswithstrongbacks AT jiahaosi experimentalinvestigationsandnumericalsimulationsofthevibrationalperformanceofwoodtrussjoistfloorswithstrongbacks AT chengguan experimentalinvestigationsandnumericalsimulationsofthevibrationalperformanceofwoodtrussjoistfloorswithstrongbacks
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Experimental Investigations and Numerical Simulations of the Vibrational Performance of Wood Truss Joist Floors with Strongbacks

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