车辆段上盖超限高层连体结构选型及分析

Selection and analysis of out-of-codes high-rise conjoined structures on upper cover of car depots

车辆段上盖超限高层连体结构主受力桁架的结构体系对整体结构的力学行为影响较大,也是决定连体结构承载力的关键。通过对深圳地铁16号线田心车辆段上盖超限高层非对称连体结构的结构体系进行专项分析,确定经济合理的连体结构主受力桁架体系设计方案,并提出在连体远端设置斜撑平衡连体结构扭转变形的方案,对连体结构受力薄弱点进行构造加强,确保连体结构满足各水准的抗震性能要求。

The structural system of the main forcebearing truss of the conjoined part has a great influence on the mechanical behavior of the integral structure,and is also the key to the structural bearing capacity of the conjoined part.Through the special analysis of the connected part structure system of the asymmetrical conjoined out-of-codes high-rise structure on the upper cover of the car depot of Shenzhen metro line 16,the economical and reasonable design program of the main stressed truss system of the conjoined structure is determined,the method of setting diagonal braces at the distal end of the conjoined structure to balance the torsional deformation of the conjoined structure is put forward,so as to strengthen the structure of the weak stress point of the conjoined part,and ensure that the conjoined structure meets the seismic performance requirements of all the levels.