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1、General Design Specificationl.Survey of the buidingThis building is an office building named Xing Cheng, which is to be located in the urban area in the city of Changsha. It is used for management, finance, general affairs and technical service. The building has ten stories and one story of basement
2、.Designing company : Xing Cheng Architecture building design instituteConstructiong company : Zhi Peng the corporation of the Art of ArchitectureQuality monitor : Jian Hua quality controlling company2.Specification of Architectural DesignThe total area of this project is 6602.6m2 .The building, with
3、 ten stories, the dimension of which is 40.4m x 14.5m , and its total height is 31.5m . Among these ten stories, the height of the sub-story and initial story is 4.2m while the height of the second to the tenth one is 3.0m . The first ground are used to go on finance, The rest are used to handle off
4、icial and finance businesses.Construction Class : This construction belongs to the first class building.Earthquake-resistant intensity of the construction is 7 degree and Fire-resistance rate of that is the second grade.Waterproof :roof : the second gradeArchitectural Decoration : Considering the ha
5、rmony between this office building and the other ones around, we adopt white ceramic tiles for thesurface of the exterior wall.The surface of the floor is made of Marble in in office room and conference room.The surface of the internal wall is brushed the latex .Waterproof-layer consists of APP modi
6、fied bitumen membrane3.Specification of Structural DesignThe foundation of the building uses independent footing. The difference between the interior level and exterior level is 0.3m .The structure system of this building is Reinforced concrete frame structure.According to Code for Seismic Design of
7、 Buildings(GB50011-2001), the grade of the earthquake resistant for the frame structure is the second grade.Cross section size of the elements : column, 850mm X 850mm、600mm X 600mm ; frame girder, 300mmX 600mm. Disposal of junior beams which cross section size is 300mm X 500mm follows vertical direc
8、tion simply. The thicknesses of the roof slab is 120mm while the floors is 100 mm too. The thickness of the shear wall around elevator shaft is 200mm. the walls are made of hollow concrete block.The main method of calculation: the Iteration is used to compute the interior force which under the verti
9、cal loads. The interior force which is made by the horizontal loads is calculated by D-value method.Critical materials :1、Concrete: Foundation-bedC10Foundation, foundation beams, beams, boards and columnC302、Steel: Reinforcing steel bar is HRB335(fy =300N/mm2)Stirrup is HPB235 (fy =210N/mm2)Reinforc
10、ement in girder and shear wall should overlap, which must meet the design requirements. Welding position and anchorage length must conform to what is prescribed in design plan.Reinforcement cover: Beam35mm;Column40mm;Board20mm.Load: Basic wind pressure0.35kN/m2;Basic snow pressure0.40kN/m2;Live load
11、 of roof2.0kN/m2;Live load of floor and hallway4.5kN/m2.4. Specification of construction organizationUtilization of water and electricity at the construction site can be connected from circuit and water pipe net that have existing consummately nearby Preparation of everything including material and
12、the construction machineries at site should be responsed by construction company. Proper yard arrangement must be made for material. Details of the arrangement can be found in construction plan.This project is high-rise building. During the construction, all measures that make sure security and qual
13、ity must be paid more attention to and carried out exactly.Construction methods in detail of every partial project can be found in construction design book.5. Main design normsCode for design of concrete structure (GB50010-2002)Load code for the design of building structure (GB50009-2001)Code for se
14、ismic design of buildings (GB50011-2001)Code for design of building foundation (GB50007-2002)Technical specification for concrete structures of tall buildings (JGJ3-2002)Code for acceptance of constructional quality of concrete structures (GB50204-2002)The code of construction project management by
15、enterprises of construction industry(GB50326-2001)Unifiled standard for constructional quality acceptance of building engineering (GB50300-2001)毕业设计摘要1. 项目概况本工程名为星城商业办公楼，工程选址位于长沙市市区内。本工程是一座集人员 管理，金融商贸，事务所和技术服务等功能于一身的综合性商业办公楼，包括地上十 层和一层地下室。设计单位：长沙市星城建筑设计有限公司；施工单位：长沙市志鹏建筑艺术发展公司；监理单位：长沙市建华工程建设监理公司。2. 建
16、筑设计部分本工程总建筑面积6602.6m2，房屋长40.4m，宽度为14.5m；房屋主体高度为31.5m。 地下层和首层层高为4.2m，二至十层层高均为3.0m，一楼用于商业活动，其他楼层用 于日常办公和商业事务。本办公楼属于一类建筑，抗震设防烈度为7度，防火等级为二级，屋面防水采用 二级防水。建筑装修：为保证与周围建筑群的和谐一致，满足城市统一规划要求，本建筑外 墙采用白色面砖装饰；楼地面装修：办公室、会议室等采用大理石地面；内墙面装饰 以粉刷乳胶漆为主；防水层采用APP改性沥青防水卷材。3. 结构设计部分本工程采用柱下独立基础，室内外高差为0.3m。本工程结构形式选用钢筋混凝土框架结构，根据建筑抗震设计规范 (GB50011-2001)可知，本结构属于二级抗震。主要构件截面尺寸：柱：850mmX 850mm 600
