How does the seismic performance of mass timber buildings compare to other types of construction?

Jan 14, 2025 ... Machine stress rated (MSR) lumber is a type of softwood dimension lumber evaluated by mechanical stress rating equipment. Machine Stress Rated Lumber (MSR) is specially graded SPF or southern pine lumber that has been mechanically evaluated by a machine to determine it's strength ... QUALIFICATION OF TWO GRADES OF CLT USING MAINE LUMBER. Researchers at UMaine recently qualified two new grades of CLT using machine stress rated (MSR) ... Jan 7, 2016 ... 3. This specification includes the updated MEL and MSR design values. A Mechanically Graded material can be selected in the Material spreadsheet ... Studs; MSR Lumber; OSB; Plywood. North Star's inventory is not limited to this list. Please utilize our product ... MSR 1650 is also graded for appearance and has a #1 face. MSR 1650 is lumber graded for both fiber quality and appearance. It is stronger than #2&btr, and ... MSR is lumber that has modulus of elasticity E evaluated by mechanical stress equipment, with each piece being marked to indicate the modulus of elasticity E. 2 x 4 and 2 x 3 in. Lengths 6 to 9 ft. Grade SPS 3 (jointed for vertical use). MSR Lumber. MSR/MEL lumber is the obvious choice. Its versatility makes it ideally suited for multiple applications within the same structure. Machine Grading. Framer Series is unique in that they use a machine-stress-rated (MSR) and machine-elevated lumber (MEL). These processes ...