Treesearch

Forest certification programs are voluntary initiatives emphasizing sustainable forestry and harvest practices. Compliance with certification standards is enforced through third-party audits. One requirement of most forest certification systems is the use of best management practices during harvesting activities. These practices are designed to mitigate potential negative outcomes of forest management and timber harvesting activities. Best management practice implementation has been found to have a variety of positive outcomes on water quality and other resources. However, information...

In this study, the creep deflection behavior of structural insulated panels (SIPs) was evaluated for creep-rupture equivalence to solid wood per ASTM D6815. The SIP specimens used in the study had 0.44-in. oriented strandboard (OSB) facers with a core of expanded polystyrene (EPS) foam. The following four groups of 15 SIP specimens each were examined: 12.25 in. thick with 1.2-lb/ft3 foam; 12.25 in. thick with 1.0-lb/ft3 foam; 6.5 in. thick with 1.2-lb/ft3 foam; and 6.5 in. thick with 1.0-lb/ft3 foam. To determine creep performance, both 12.25-in.-thick specimen groups were combined into a...

Cross-laminated timber (CLT), an engineered wood product, has grown in popularity in the United States over the last decade due to its ease of assembly, aesthetic appeal, and potential to serve as a sustainable and renewable alternative building material. The improved robustness of CLT over light-frame timber structures has increased its potential in force-protected infrastructure that must resist blast waves and ballistic projectile penetration, but softwood CLT is typically not sufficient to fulfill standard criteria for ballistic threats. To address these threats, enhanced CLT (ECLT)...