单边螺栓连接T形件-钢管节点高温下及高温后受拉性能

尤洋,王培军,孙乐乐,叶继红,姜健

Tensile behavior of one-side bolted T-stub to tube connection at fire and post-fire circumstances

Yang YOU,Pei-jun WANG,Le-le SUN,Ji-hong YE,Jian JIANG

表 6 不同厚度钢板及螺栓的材料性能

Tab.6 Material properties of steel plates of different thickness and bolts

材料 θ/℃ fy/MPa fu/MPa E/GPa 6 mm钢板 20 338.6 468.0 204 6 mm钢板 500 210.1 313.6 140 6 mm钢板 700 67.2 73.1 28 12 mm钢板 20 314.0 460.0 204 12 mm钢板 500 206.5 308.2 140 12 mm钢板 700 59.9 68.1 28 螺栓 20 692.9 911.7 210 螺栓 500 372.3 489.8 113 螺栓 700 90.4 118.9 31