Clt Diaphragm Design Guide

Clt Diaphragm Design Guide Introduction Cross Laminated Timber CLT panels are becoming increasingly common as a roof or floor deck system in timber frame buildings On larger timber buildings the roof and floor deck systems need to be carefully engineered and detailed to serve as diaphragms resisting wind and seismic loads

This white paper created in collaboration with the American Wood Council Structurlam Martin Pohll Structural Engineering and Mass Timber Connections MTC Solutions provides a practical design method to determine the strength and stiffness of a cross laminated timber CLT horizontal diaphragm under lateral wind or seismic loads CLT Diaphragm Design Guide Developed collaboratively with experts in mass timber structural engineering this groundbreaking publication provides guidance for the design of CLT diaphragms used as part of wind and seismic lateral force resisting systems While CLT floor panels are fairly common in mass timber buildings their use as a

Prior to publication of this document projects typically had to receive approval to use CLT as a structural diaphragm on a case by case basis from the local Authority Having Jurisdiction AHJ This paper highlights important provisions of SDPWS 2021 for CLT diaphragm design and recommendations developed by the authors in the upcoming CLT

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Clt Diaphragm Design Guide

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CLT Diaphragm Design for Wind and Seismic Resistance

https://www.woodworks.org/resources/clt-diaphragm-design-for-wind-and-seismic-resistance/
This paper highlights important provisions of SDPWS 2021 for CLT diaphragm design and recommendations developed by the authors in the upcoming CLT Diaphragm Design Guide based on SDPWS 2021 Download Catalyst MGA Michael Green Architecture Katerra photo KPFF Tags Mass Timber CLT Structural Engineer Solution Papers National

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https://timberlab.com/uploads/resources/CLT_Diaphragm_Design_Guide.pdf
Council s AWC s Special Design Provisions for Wind and Seismic SDPWS 2021 features new CLT diaphragm design provisions 1 2 Purpose of This Design Guide This publication provides guidance for the design of CLT diaphragms used as part of wind and seismic force resisting systems

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https://www.woodworks.org/wp-content/uploads/presentation_slides_Breneman_Design_Mass_Timber_Diaphragms_New_CLT_Design_Guide_07.2023.pdf
Design of Mass Timber Diaphragms and the New CLT Diaphragm Design Guide July 12 2023 Presented by Scott Breneman WoodWorks Eric McDonnell Holmes Catalyst MGA Michael Green Architecture photo Andrew Giammarco Background Glue Laminated Timber Glulam Beams columns Cross Laminated Timber CLT Solid sawn laminations

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https://www.woodworks.org/wp-content/uploads/presentation_slides_McDonnell_CLT_Diaphragm_Design_Guide_07.2023.pdf
Combining with ASCE 7 16 4 Diaphragm Shear Components Analysis and Design for In plane Actions Panel to Panel Connections CLT Panel Design 5 Diaphragm Boundary Elements Compression Load Path Compression Load Path Gravity Framing as Lateral Element If gravity element is intended to serve as lateral element need to check for combined loading

CLT Diaphragm Design Guide Research Library Think Wood

https://research.thinkwood.com/en/permalink/catalogue3627
However with building codes and standards evolving to address CLT to a greater degree the American Wood Council standard Special Design Provisions for Wind and Seismic SDPWS now includes new CLT diaphragm design provisions WoodWorks CLT Diaphragm Design Guide provides insight into the analysis design and constructability of CLT

Diaphragm design forces D F design A common question regarding CLT diaphragm design is how to use the SDPWS force increase factors in conjunction with various amplification factors of ASCE 7 for seismic design For seismic design calculate the diaphragm design force following ASCE 7 16 12 10 1 1 which can be described in equation form See TFEC Timber Design Guide 2020 19 for evaluating CLT diaphragms Where the floor or roof is part of a fire rated assembly it is important that the panels fit tightly Fire stopping sealant should be used where there is a gap unless there is a concrete topping over the panels The half lap joint is also commonly used to join CLT panels

To demonstrate practical design techniques CLT diaphragm detailing options and examples will be presented based on WoodWorks new CLT Diaphragm Design Guide Understand diaphragm detailing and design considerations for multiple types of mass timber panels Discuss new provisions contained in the 2021 SDPWS related to the design of CLT