Journal of Wood Science 64(2) 112-118 2018年4月 [査読有り]
To investigate the effects of tightening speed on the torque coefficient in lag screw timber joints with steel side plates, tightening tests were conducted on main timber members made from Cryptomeria japonica, Chamaecyparis obtusa and Pseudotsuga...
JOURNAL OF WOOD SCIENCE 63(6) 625-634 2017年12月 [査読有り]
This study empirically examines the relationship between clamp force and pull-out strength in lag screw joints of timber members, using data obtained in tightening tests and pull-out tests. Maximum clamp force per unit screw length as determined f...