新疆杨木方形截面长柱偏压力学性能试验研究

Experimental study on mechanical properties of long columns with rectangular section in Xinjiang poplar

针对新疆杨木柱在不同初始偏心距和不同长细比所表现的力学差异性,对新疆杨木方形截面长柱进行偏压力学性能试验研究,并分析长木柱破坏形态、极限承载力、荷载-位移关系等。试验结果表明,杨木长柱以典型的中部弯曲破坏形式为主,与长细比对木柱承载力影响比较,偏心距对长柱承载力的影响更为显著,随着荷载的增加,位移的增加幅度较大。

According to the mechanical difference of Xinjiang poplar columns in different initial eccentricity and different slender-ness ratio, experimental study on eccentric mechanical properties of Xinjiang poplar square section long columns was carried out, the long poles, failure mode, ultimate bearing capacity, load displacement and the load strain etc were analyzed. The results show that the long poplar column with typical of central column bending failure forms, and the influence of eccentricity on the bearing capacity of long columns is more significant, and the displacement increases greatly with the increase of load.