Some see expanding timber use as one of the few ways to reach ambitious carbon reduction goals; others are inspired by new aesthetic opportunities—but Lendlease, an international construction and development firm, sees the use of mass timber for mid- and high-rise structures as a way to build higher quality buildings, faster and safer. As one of the most experienced contractors of mass timber buildings in the US, Lendlease will offer insights on a proposed change to the International Building Code that would see increased height and story allowances for mass timber structures.
This presentation will give an overview of relevant building codes and standards provisions and describe how they can be used in the structural design of CLT elements and structures. Topics related to connections, structural, and fire protection will be discussed. Often selected for aesthetic reasons or its unparalleled design flexibility, both offer superior structural performance combined with long term durability.
It has been used for over a decade in other parts of the world such as Europe and Australia and has recently made its way into North America. Additionally, all three products offer sustainable qualities as they are manufactured from a renewable resource and store carbon.
Structural and fire protection characteristics of NLT, GLT and CLT will be discussed as well as IBC code provisions that allow their specification in both residential and commercial applications for a wide variety of occupancies. Participants will learn about changes in the NDS and Supplement relative to previous editions and gain an overview of the standard.
This article will highlight changes in the NDS and NDS Supplement relative to previous editions and provide an overview of the standard. Significant changes relate to incorporation of cross laminated timber, open front diaphragms and cantilever diaphragms. This article provides an overview of changes for the Permanent Wood Foundation PWF Design Specification —a publication intended to address structural design requirements of a wood foundation for light-frame construction. Main Menu Main Menu Pulldown.
Publication Year: Choose an Edition Archives. This webpage is also available for viewing as Text-Only. What's Changed? Other Resources. Free Printable Download. Expand all Collapse all. Understand significant changes between the and NDS. Be familiar with reference design values from the NDS Supplement.
Be familiar with the impact of combinations of loads of different durations on design of structural wood members. Level: Advanced Primary Audience: Engineers, Code Officials Learning Outcomes: Be familiar with current wood member connection solutions and applicable design requirements. Be able to recommend fastening guidelines for wood to steel, wood to concrete, and wood to wood connections.
Be able to describe effects of moisture on wood member connections and implement proper detailing to mitigate issues that may occur. Level: Advanced Primary Audience: Engineers, Code Officials Learning Outcomes: Understand application of the six yield limit equations for dowel-type connection design Know when to utilize applicable adjustment factors for common bolted connections Apply spacing, end, and edge distance requirements for wood-to-wood bolted connections Be able to determine local stresses in fastener groups Equivalencies: 1.
Learning Outcomes: Describe the application of the six yield limit equations for dowel-type connection design Discuss when to utilize applicable adjustment factors for common bolted connections Illustrate the spacing, end, and edge distance requirements for wood-to-wood bolted connections Calculate the local stresses in fastener groups Equivalencies: 1.
Obtain resources for complying with wood connection engineering issues. Identify and design for local stresses in fastener groups. Identify and detail high capacity shear walls and diaphragms. Click here for Stand-Alone Link. Learn various approaches in the NDS for calculating fastener capacity. Understand the 6 lateral design value yield modes and material properties used to calculate capacity. Consider the structural design properties of CLT relevant to floor and roof applications.
Discover how to design CLT floors to achieve serviceability goals related to deflection and vibration. Examine the use of CLT in example buildings and connection details. Level: Beginner Primary Audience: Engineers, Code Officials, Fire Service, Others Learning Objectives: Be able to define cross-laminated timber Be aware of code and standard updates relevant to CLT and other mass timber elements Be aware of notable mass timber structures around the globe Learn about current tall wood building projects and resources Equivalencies: 1.
Learn where to find information and research that supports the new IBC Code change. Recognize how mass timber for mid- and high-rise structures provides for higher quality buildings to be constructed faster and safer. Understand structural, fire, and connection design of CLT. Level: Intermediate Primary Audience: Engineers, Code Officials Learning Objectives: Be able to identify code acceptance of nail-laminated timber, glued-laminated timber and cross-laminated timber.
Become familiar with a number of technology advances and standards related to nail-laminated timber, glued-laminated timber and cross-laminated timber. Improve design knowledge on building systems made with new types of mass timber products. Become acquainted with the unique fire resistive characteristics of nail-laminated timber, glued-laminated timber and cross-laminated timber as it influences the use of wood in building construction. Understand the application of NDS Chapter 16 which can be utilized to design up to 2-hours of fire-resistance for exposed wood members.
Level: Beginner Primary Audience: Engineers, Code Officials Learning Objectives: Able to understand the load and material resistance design process and how it applies to wood structural design. Familiar with the significant changes between the and NDS and supplement. By using our site, you agree to our collection of information through the use of cookies.
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Need an account? Click here to sign up. Download Free PDF. Don Huynh. A short summary of this paper. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.
Reproduction, At the end of this program, participants will be knowledgeable of: distribution, display and use of the presentation without written permission of the speaker is prohibited. Format and content within the NDS. Changes in the NDS and Supplement relative to previous editions. Structures using wood shear walls and diaphragms to resist wind, seismic and other lateral loads shall be designed and constructed in accordance with the provisions of this section.
Structures using wood shear walls and diaphragms to resist International wind, seismic and other lateral loads shall be designed and constructed in accordance with the provisions of this section.
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