(1 中衡设计集团股份有限公司, 苏州 215123;2 东南大学土木工程学院, 南京 210096)

摘要: 苏州国际会议酒店空中连廊为跨度 81m、位于距地面 76.1m 至 95m 高空的大跨度高位钢结构连廊. 该连廊具有受风荷载与地震作用显著、与两侧塔楼的相对运动复杂等设计难点. 经多种方案对比分析,确定了连体结构采用柔性连接,连廊采用钢桁架下挂廊桥结构形式,支座布置采用铅芯橡胶支座+黏滞阻尼器的设计方案. 通过连廊支座抗风与抗震设计,验证了连体结构连接方案的安全性. 基于钢连廊独立模型,考虑地震作用在连廊支座处的放大效应,对连廊钢桁架的抗震性能、关键节点受力、防连续倒塌性能与楼面舒适度进行了设计复核,验证了该连廊结构方案的安全性与适用性.

关键词: 苏州国际会议酒店;大跨度高位钢连廊;连体结构;连接方式;铅芯橡胶支座;黏滞阻尼器

中图分类号:TU318+. 1,TU393.3 文献标志码:A 文章编号:1002-848X(2022)20-0112-08

DOI:10.19701 / j.jzjg.ZJ220007

Structural design on the large-span steel corridor in high position of Suzhou International Conference Hotel

YANG Lülei1, ZHANG Jin1,2, TAN Lihua1, SUN Yibin1, GUO Yifeng1

(1 ARTS Group Co. , Ltd. , Suzhou 215123, Chinaꎻ2 School of Civil Engineering, Southeast University, Nanjing 210096, China)

Abstract: The corridor of Suzhou International Conference Hotel is a large-span steel corridor in high position with a spanof 81m and an altitude of 76.1m to 95m from the ground. Many difficulties exist in the design of the corridor, such assignificant wind and earthquake effects, and complex relative movement between the corridor and towers. After comparativeanalysis of various design schemes, it was determined that flexible connection was adopted for the connected structure, thestructural form of steel truss hanging bridge was used in the corridor structure, and lead rubber bearings with viscousdamper were arranged in the bearing supports. The security of connection scheme of the connected structure was verified bywind and seismic design. Based on the independent model of the steel corridor, considering the amplification effect ofseismic action at the corridor support, the seismic performance of the steel truss of the corridor, the stress condition of keynodes, the continuous collapse prevention performance and the floor comfort were reviewed. The results validate the safetyand applicability of the above corridor structure scheme.

Keywords: Suzhou International Conference Hotel;large-span steel corridor in high position;connected structureꎻconnection type;lead rubber bearing;viscous damper

∗苏州市建设科研项目(指导性)(2019-8):大跨度连廊钢结构设计关键技术研究与应用.

第一作者:杨律磊,硕士,高级工程师,一级注册结构工程师,主要从事复杂结构设计与技术研究工作,Email: yanglvlei@artsgroup. cn.

[引用本文]杨律磊,张谨,谈丽华,等. 苏州国际会议酒店大跨度高位钢连廊结构设计[ J]. 建筑结构,2022,52(20):112-119,59. YANG Lülei,ZHANG Jin,TAN Lihua,et al. Structural design on the large-span steel corridor in highposition of Suzhou International Conference Hotel[J]. Building Structure,2022,52(20):112-119,59.