山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2015年
12期
172-173,174
,共3页
申杨凡%续琦峰%杨斌%王绍全%郭凯强%王艳琪%贾艳敏
申楊凡%續琦峰%楊斌%王紹全%郭凱彊%王豔琪%賈豔敏
신양범%속기봉%양빈%왕소전%곽개강%왕염기%가염민
钢箱梁%钢桁架%人行天桥%力学性能
鋼箱樑%鋼桁架%人行天橋%力學性能
강상량%강항가%인행천교%역학성능
steel box girder%steel truss%pedestrian bridge%mechanical properties
为了分析并对比钢箱梁与钢桁架人行天桥的力学性能，建立了两者的ANSYS有限元计算模型，通过静力分析，得出钢桁架人行天桥的承载力更大，通过动力特性分析，钢桁架人行天桥较钢箱梁人行天桥更易产生扭转，且钢箱梁的自振频率较钢桁架的自振频率要大。
為瞭分析併對比鋼箱樑與鋼桁架人行天橋的力學性能，建立瞭兩者的ANSYS有限元計算模型，通過靜力分析，得齣鋼桁架人行天橋的承載力更大，通過動力特性分析，鋼桁架人行天橋較鋼箱樑人行天橋更易產生扭轉，且鋼箱樑的自振頻率較鋼桁架的自振頻率要大。
위료분석병대비강상량여강항가인행천교적역학성능，건립료량자적ANSYS유한원계산모형，통과정력분석，득출강항가인행천교적승재력경대，통과동력특성분석，강항가인행천교교강상량인행천교경역산생뉴전，차강상량적자진빈솔교강항가적자진빈솔요대。
In order to analyze and contrast the steel box girder and steel truss pedestrian bridge mechanical properties,the ANSYS finite element calculation model is established,by static analysis,we can draw the steel truss of pedestrian bridge bearing capacity is larger,through the analy-sis of the dynamic characteristics of the pedestrian steel truss bridge with steel box girder footbridge reverse easier to be produced,and the natural frequency of vibration of the steel box girders for bigger than the natural frequency of vibration of steel truss.
