Figure 1: The first layer of SPF insulation is stopped when it reaches the pipe (left), just barely touching or encasing it. After sufficient cooling time, the second layer of SFP insulation is sprayed over the pipe to the required thickness (right). …
AISI Publishes New Research Report for Cold-Formed Steel Deck Applications
WASHINGTON, DC –The American Iron and Steel Institute (AISI) has published a new research report, “RP23-02: Influence of Support Attachment Pattern…
Bendheim Channel Glass Achieves EPD and HPD
The façade of the Fort York Visitor Centre in Toronto, designed with channel glass from Bendheim. This problem-solving material now carries both an Environmental…
Effects of Chlorine Dioxide on Plumbing Systems Addressed in New Technical Document
Pressure pipe materials CPVC, PEX, PE-RT, PP-R, and PP-RCT. Investigation Results by Plastics Pipe Institute Now Available IRVING, Texas - The Plastics Pipe Institute, Inc. (PPI) has released a new technical document that reports on the association’s…
Three Applications Where Composites Beat Metals
By Matthew Bloise, Greene Tweed For decades, various types of metals have been the go-material across most industries. In many applications, plastics are quickly replacing metals, and only what couldn’t be converted to plastic due to performance limitations…
Purdue researchers develop a new type of intelligent architected materials for industry applications
Products made with intelligent architected materials developed at Purdue University have the ability to change from one stable configuration to another stable configuration and back again. The technology is being tested in new aircraft runway mats,…
Testing Confirms PVC Pipe Hydraulic Coefficients Are Conservative
Hydraulic research on new and in-service PVC pipe has confirmed that industry-recommended flow coefficients are conservative for design of pressure and non-pressure pipes. The PVC pipe industry has long recommended hydraulic design values of 150 for Hazen-Williams…
AISI Publishes “Thermal Design and Code Compliance Guide for C-Shape Cold-Formed Steel Framing in Building Envelopes”
WASHINGTON, DC – The American Iron and Steel Institute (AISI) has published AISI D250-23, “Thermal Design and Code Compliance Guide for C-Shape Cold-Formed Steel Framing in Building Envelopes.” The guide was developed to assist users of AISI…
AISC Releases End-Plate Moment Connection Design Guide
CHICAGO – Structural steel designers have a valuable new resource for the design of end-plate moment connections in AISC Steel Design Guide 39, End-Plate Moment Connections, which is now available at aisc.org/dg. "It's a great addition to the AISC toolbox…
AISI Seeks Cold-Formed Steel Research Proposals for 2024 Small Project/Fellowship Program
Proposals must be submitted to AISI by October 31, 2023 WASHINGTON, DC – The American Iron and Steel Institute (AISI) Standards Council is seeking research proposals for its 2024 Small Project/Fellowship Program. Launched in 2014, AISI’s Small…