摘要
以日本落叶松、兴安落叶松及进口云杉-松木-冷杉(SPF)为木框架,以进口定向刨花板(OSB)为覆面板材料,设计制作了3组共12面木框架墙体.通过单向加载试验和低周往复加载试验,研究了不同木框架对墙体的单位长度承载力、极限位移、弹性抗侧刚度和耗能的影响.结果表明:以日本落叶松、兴安落叶松及进口SPF为木框架的墙体,单位长度承载力分别为9.59,7.08,9.05kN/m,极限位移分别为58.09,53.33,65.84mm,弹性抗侧刚度分别为1 369.92,1 126.30,1 119.04kN/m,耗能分别为7 839.89,5 262.74,8 027.20J/m.以日本落叶松制作的木框架墙体抗剪性能最好.
A total of 12 pieces shear-wall segments were fabricated with three kinds of frame materials including Larix kaempferi dimension lumber,Larix gmelinii dimension lumber and imported SPF,and imported OSB as sheathing panels.The shear-wall were tested under monotonic and cyclic loads respectively,and the effects of different materials of frame on the bearing capacity,elastic shear stiffness,ultimate displacement and energy dissipation of shear walls were investigated.Test results show that the bearing capacities of shear-wall with Larix kaempferi,Larix gmelinii and SPF frames are 9.59,7.08,9.05 kN/m,respectively.The ultimate displacements are 58.09 mm,53.33 mm and 65.84 mm,while the stiffnesses are 1 369.92,1 126.30,1 119.04 kN/m,respectively.The energy dissipations are 7 839.89,5 262.74,8 027.20 J/m,respectively.It can be concluded that Larix kaempferi dimension lumber has a good performance as frame members of shear-wall as shown in the tests.
出处
《建筑材料学报》
EI
CAS
CSCD
北大核心
2017年第5期758-764,共7页
Journal of Building Materials
基金
"十二五"国家科技支撑计划项目(2015BAD14B0502)
国家林业局林业科技成果推广项目(201409)
