·299 ·
系进行迭代分析。并以火灾探测报警子系统为例,分
析了火灾探测报警过程的动静态信息,提炼出火灾探
测报警设备应具备的各类运行控制参数,拟制了消防
探测器和火灾声光警报器两类设备的信息模型。
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受限场地空间复杂曲面钢箱梁桥加工制造技术
周宏庚, 卢长龙, 蒋 志
(中铁四局集团钢结构建筑有限公司,230031,合肥)
摘 要: 平曲线曲率半径小、竖曲线坡度变化大、箱体截面宽大的匝道桥钢箱梁,采用整体胎架方法进
行加工制作时,对加工场地等要求较高。以济南东客站匝道桥钢箱梁加工制作为工程背景,对受限场地中空
间复杂曲面钢箱梁的加工制造技术进行了研究,采用纵向分段分胎倒装制作工艺进行匝道桥钢箱梁的加工制
作并借助 BIM技术对钢箱梁进行拼装模拟,解决了空间复杂曲面钢箱梁在受限场地内的拼装加工、厂外
运输、工期紧张及质量保证等问题,为类似工程钢箱梁的制作及质量控制提供了参考。
关键词: 曲面钢箱梁桥;钢梁箱;分胎倒装
中图分类号:U 445.47 文献标志码:A 文章编号:1000–4726(2023)03–0299–04
PROCESSING AND MANUFACTURING TECHNOLOGY OF COMPLEX CURVED STEEL BOX
GIRDER BRIDGE WITH LIMITED SPACE
ZHOU Hong-geng, LU Chang-long, JIANG Zhi
(China Railway NO.4 Engineering Group Structural Construction Co., Ltd., 230031, Hefei, China)
Abstract: The steel box girder of ramp bridge with small curvature radius of flat curve, large
gradient change of vertical curve and wide section of box body is processed by the integral tire frame
method, which has higher requirements on the processing site and so on. Based on the processing
of ramp bridge steel box girder of Ji 'nan east passenger station as the engineering background, the
processing and manufacturing technology of the steel box girder with complex curved space in the
restricted site was studied, and the processing technology of ramp bridge steel box girder was carried
out by longitudinal segmenting and flip loading. By using BIM technology, the assembly simulation of
steel box girder is carried out to solve the problems of assembly processing, transportation outside the
factory, construction period and quality assurance of steel box girder with complex curved space in the
restricted site, which provides a reference for the production and quality control of steel box girder in
similar projects.
Keywords: curved steel box girder bridge; steel b
受限场地空间复杂曲面钢箱梁桥加工制造技术(论文).pdf