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1、1. 项目概述General Project Information1.1. 钢缆玻璃墙面和雨棚 Cable-Net Facade & Canopy本工程的两座钢缆玻璃墙面各20m75m，位于东立面E轴至H轴，及西立面C轴至F轴。立面玻璃分格为2.025m1.8m（或2.15m），采用钢化夹胶玻璃。Two sets of steel cable net wall spaces in this project is 20m75m respectively, located in axis E and axis H in east vertical plane and axis C and axi
2、s F in west vertical plane. The subdivision of vertical plane glass is 2.025m1.8m（or .15m）.Laminated tempered safety glass is adopted. 玻璃幕墙由一组横向与竖向钢缆组成的单层平面索网来支撑，竖直钢缆在外侧，水平钢缆在内侧。玻璃通过铸造玻璃夹钳安装在钢缆上，在钢缆的交叉点处，夹钳通过螺栓固定。Glass curtain wall shall be supported by single layer flat string net consisting of a s
3、et of horizontal and vertical steel cable. Vertical steel cable is in the outside and horizontal steel cable is in the outboard. Glass is installed on the steel cable through cast glass pincers fixed through bolts at the point of junction.钢缆锚固在钢框架上，框架设于整个玻璃墙面的周边，并在每四层处有一条水平支撑钢结构，框架在有水平支撑钢梁的位置与土建连接，考
4、虑结构在地震及温度荷载作用的变形，通过一侧的方销，释放整个钢框架一侧的水平位移约束，连接点采用竖向长圆孔，整个钢框架在竖向方向的伸长将被允许，从而在构造上解决了温度荷载及地震荷载导致主体结构变形时对钢结构的破坏。Steel cable is anchored on the steel frame arranged in the perimeter of whole glass wall space. There is a steel structure supported horizontally at each four layers. Frame is connected to the c
5、ivil work in the position with horizontally supported girder steel .Taking into account the deformation during the action of earthwork and temperature load, the horizontal displacement restraint on one side of whole steel frame is released through square cotter on one side. Vertical long circular or
6、ifice is used in the tie point. The stretch of whole steel frame in vertical direction will be permitted, solving in structure the damage to steel structure when temperature load and earthquake load result in the deformation of main block structure.1.2. 玻璃采光顶Glass Roof玻璃采光顶位于东西立面上的两处玻璃墙面之间，在C轴及H轴间。采
7、光顶两端为20面宽，内部区域减小到9m，主横梁跨度20m，间距8.1m，钢悬索横梁跨度8.1m，间距与索网幕墙一致为2.025m。Glass roof is located between glass wall spaces and between axis C and axis H in east and west vertical plane.Two ends of monitor is 20 plane width. Internal area is reduced to 9m. The span of main-ram crosshead is 20m and its distance
8、 8.1m. The span of steel sustained cable cross beam is 8.1m. Its distance and string net is consistently 2.025m.由于主楼两部分的水平偏移，主横梁一端必须通过可滑动的支座约束。钢索结合桁架上部采用T型钢横向檩条，来支撑上部的玻璃，同时也作为组合桁架的侧向稳定支撑。Owing to horizontal excursion in two parts of main building, one end of main-ram crosshead must be restricted by
9、sliding support. Steel lateral purlin is used at the top of steel rope to support upper glass and meantime acts as lateral stable support of combined joist.在采光顶的边缘位置，由于风吸力较大，在该区域设置10的加强钢索。Due to large wind suction in the border position of monitor, 10 reinforced steel rope is arranged in such area.2
10、. 设计准则 Design Criteria2.1. 执行规范 Design Codes AdoptedGB 50009-2001 建筑结构荷载规范Load code for the design of building structuresGB 50011-2001 建筑抗震设计规范Code for seismic design of buildingGB 50017-2003 钢结构设计规范Code for design of steel structuresGB 50010-2002 混凝土结构设计规范Code for design of concrete structuresGB 50
11、018-2002 冷弯薄壁型钢结构技术规范Technical code of cold-formed thin-wall steel structuresJGJ 102-2003 玻璃幕墙工程技术规范Technical code for glass curtain wall engineeringJGJ 113-2003 建筑玻璃应用技术规程Technical specification for application of architectural glassGB/T99631998 钢化玻璃 Toughened GlassGB9962-1999 夹层玻璃 Laminated GlassG
12、B/T119442002 中空玻璃Insulating GlassGB/T18915.22002 镀膜玻璃 第二部分 低辐射镀膜玻璃Filming Glass Part 2 Low Radiation Filming Glass2.2. 建筑物参数 General Parameters建筑Architecture中青旅大厦CYTS PLAZA抗震设防烈度seismic fortification intensity8水平地震影响系数最大值Maximum value of horizontal earthquake influence coefficient0.16基本风压值（kN/m2）Ref
13、erence wind pressure0.50（100年）地面粗糙度类别terrain roughnessD基本雪压值（kN/m2）Reference snow pressure0.45（100年）雪荷载准永久值系数分区Subarea of snow load permanent coefficientII2.3. 结构限值 Deflection Limits根据玻璃幕墙工程技术规范JGJ102-2003以及招标文件要求，结构变形限值要求为：Accordance to JGJ102-2003Technical code for glass curtain wall engineeringan
14、d the requirements of bid documents, the structure deflection limits is required as follows:网状钢缆：跨度/55或260mm以较小者为准Steel cable：span/55 or 260mm, taking smaller one铝框架构件：跨度/240或20mm以较小者为准Member of aluminum frame：span/240 or 20mm, taking smaller one单片玻璃：跨度/60或25mm以较小者为准One-piece glass：span/60or 25mm, t
15、aking smaller one中空玻璃单元：跨度/90或25mm，以较小者为准Insulating glass cell：span/90or 25mm, taking smaller one网状钢缆的周边框架部件在风荷载或地震荷载作用下：跨度/250Main frame of cable net wall under wind or earthquake：span/250屋顶桁架和檩条在自重荷载下：跨度/360Roof joist and purline under dead weight load：span /36屋顶桁架和檩条在雪/风/地震荷载下：跨度/250Roof joist and purline under snow/wind/earthquake load：span /2502.4. 荷载(Loading)2.4.1. 自重荷载（DL） Dead Load根据玻璃幕墙工程技术规范JGJ102-2003条目5.3.1规定：Accor
