矮塔斜拉桥施工关键技术与施工监控研究  

Research on construction key technology and construction monitoring of cable-stayed bridge with low tower

作　　者：陈瑞 Chen Rui(Anhui Jiangong Road Port Construction Group Co.,Ltd.,Hefei Anhui 230001,China)

机构地区：[1]安徽建工路港建设集团有限公司,安徽合肥230001

出　　处：《山西建筑》2024年第14期163-166,共4页Shanxi Architecture

摘　　要：矮塔斜拉桥是一种特殊类型的斜拉桥,其塔高度相对较低。矮塔斜拉桥采用较低的塔楼设计,以减少结构高度和施工难度,其施工过程相对于一般连续梁桥也更为复杂,需要进行合理的施工控制才能保证矮塔斜拉桥在复杂施工中的安全性、可靠性和经济性。以滁州大桥上部结构为背景,对桥梁施工中关键施工技术进行研究,确保其在桥梁上部结构和下部结构施工中的合理性。其次,对桥梁主梁及挂篮的位移和应力、拉索索力进行监控。研究结果表明:斜拉桥施工过程中,主梁挂篮位移和应力均满足设计和规范要求,拉索索力满足规范要求,实测索力值略小于理论值,全桥结构受力合理。A low-pylon cable-stayed bridge is a special type of cable-stayed bridge with a relatively low tower height.The low tower cable-stayed bridge adopts a lower tower design to reduce the structural height and construction difficulty,and its construction process is more complicated than that of the general continuous beam bridge.Reasonable construction control is needed to ensure the safety,reliability and economy of the low tower cable-stayed bridge in complex construction.Taking the superstructure of Chuzhou Bridge as the background,this paper studies the key construction techniques in bridge construction to ensure their rationality in the construction of superstructure and substructure.Secondly,the displacement and stress of the bridge main beam and hanging basket and the cable force are monitored.The results show that the displacement and stress of the main beam hanging basket meet the design and specification requirements,the cable force meets the specification requirements,the measured cable force is slightly less than the theoretical value,and the load of the whole bridge structure is reasonable.

关 键 词：矮塔斜拉桥 施工技术 施工监控 拉索索力 

分 类 号：TU997[建筑科学—市政工程]