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A platform for research: civil engineering, architecture and urbanism
Steel truss arch bridge erecting method capable of actively adjusting full-bridge internal force and displacement
The invention belongs to the technical field of steel truss arch bridge erection, and particularly relates to a steel truss arch bridge erection method capable of actively adjusting full-bridge internal force and displacement. Steel truss girders are erected on the two main piers correspondingly, and one ends of the steel truss girders are erected along the centers of the two main piers to form arch rib cantilevers; sling towers are erected on the two main piers correspondingly, steel trussed beams continue to be erected along the arch rib cantilevers, and a plurality of slings on the sling towers are connected with the steel trussed beams correspondingly along with erecting of the steel trussed beams; a pressure sensor is arranged between every two adjacent steel truss girders, and pressure data during closure of the corresponding steel truss girders are detected through the pressure sensors and uploaded to a control device; by adjusting the sling force on the sling tower crane, the cantilevers on the two sides are lifted upwards, the closure gap is expanded to be larger than or equal to the width of the steel truss girder, meanwhile, the sling force is adjusted by the multiple slings according to data of the pressure sensors at the different positions, and the steel truss girders at the different positions are evenly stressed; the steel truss girder on the arch rib cantilever can be uniformly stressed.
本发明属于钢桁架拱桥架设技术领域，具体涉及一种可主动调节全桥内力及位移的钢桁架拱桥架设方法。在两个主墩上分别架设钢桁梁，使钢桁梁一端沿两个主墩中心架设并形成拱肋悬臂；在两个主墩上分别架设吊索塔架，并继续沿拱肋悬臂架设钢桁梁，使吊索塔架上的若干吊索随钢桁梁的架设而与若干钢桁梁分别连接；在每两个相邻的钢桁梁之间设置压力传感器，通过压力传感器检测对应钢桁梁合龙时的压力数据并上传至控制装置中；通过调节吊索塔吊上的吊索索力，使两侧悬臂向上抬起且合龙口扩大至大于或等于钢桁梁宽度，同时若干吊索根据不同位置的压力传感器数据调节索力大小，使不同位置的钢桁梁之间受力均匀；其能使拱肋悬臂上的钢桁梁受力均匀。
Steel truss arch bridge erecting method capable of actively adjusting full-bridge internal force and displacement
The invention belongs to the technical field of steel truss arch bridge erection, and particularly relates to a steel truss arch bridge erection method capable of actively adjusting full-bridge internal force and displacement. Steel truss girders are erected on the two main piers correspondingly, and one ends of the steel truss girders are erected along the centers of the two main piers to form arch rib cantilevers; sling towers are erected on the two main piers correspondingly, steel trussed beams continue to be erected along the arch rib cantilevers, and a plurality of slings on the sling towers are connected with the steel trussed beams correspondingly along with erecting of the steel trussed beams; a pressure sensor is arranged between every two adjacent steel truss girders, and pressure data during closure of the corresponding steel truss girders are detected through the pressure sensors and uploaded to a control device; by adjusting the sling force on the sling tower crane, the cantilevers on the two sides are lifted upwards, the closure gap is expanded to be larger than or equal to the width of the steel truss girder, meanwhile, the sling force is adjusted by the multiple slings according to data of the pressure sensors at the different positions, and the steel truss girders at the different positions are evenly stressed; the steel truss girder on the arch rib cantilever can be uniformly stressed.
本发明属于钢桁架拱桥架设技术领域，具体涉及一种可主动调节全桥内力及位移的钢桁架拱桥架设方法。在两个主墩上分别架设钢桁梁，使钢桁梁一端沿两个主墩中心架设并形成拱肋悬臂；在两个主墩上分别架设吊索塔架，并继续沿拱肋悬臂架设钢桁梁，使吊索塔架上的若干吊索随钢桁梁的架设而与若干钢桁梁分别连接；在每两个相邻的钢桁梁之间设置压力传感器，通过压力传感器检测对应钢桁梁合龙时的压力数据并上传至控制装置中；通过调节吊索塔吊上的吊索索力，使两侧悬臂向上抬起且合龙口扩大至大于或等于钢桁梁宽度，同时若干吊索根据不同位置的压力传感器数据调节索力大小，使不同位置的钢桁梁之间受力均匀；其能使拱肋悬臂上的钢桁梁受力均匀。
Steel truss arch bridge erecting method capable of actively adjusting full-bridge internal force and displacement
一种可主动调节全桥内力及位移的钢桁架拱桥架设方法
ZHOU YU (author) / YANG YONG (author) / YUE XIAOGANG (author) / HU HUIYONG (author) / NING PINGHUA (author) / MA YUE (author) / OU JIANLING (author) / LIU BING (author) / ZHANG SONGTAO (author) / GUO FEI (author)
2024-08-16
Patent
Electronic Resource
Chinese
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