论文总字数：62536字

摘 要

本工程为南京方源集团办公楼，采用框架结构，主体为四层，本地区抗震设防烈度为7度，场地类别为I类场地。基本风压0.40kN/m，基本雪压0.25kN/m。楼﹑屋盖均采用现浇钢筋混凝土结构。 

本设计贯彻“实用、安全、经济、美观”的设计原则。按照建筑设计规范，认真考虑影响设计的各项因素。根据结构与建筑的总体与细部的关系。 

本设计主要进行了结构方案中横向框架第2轴抗震设计。在确定框架布局之后，先进行了层间荷载代表值的计算,接着利用顶点位移法求出自震周期，进而按底部剪力法计算水平地震荷载作用下大小，进而求出在水平荷载作用下的结构内力（弯矩、剪力、轴力）。接着计算竖向荷载（恒载及活荷载）作用下的结构内力。是找出最不利的一组或几组内力组合。选取最安全的结果计算配筋并绘图。此外还进行了结构方案中的室内楼梯的设计。完成了平台板，梯段板，平台梁等构件的内力和配筋计算及施工图绘制。对楼板进行了配筋计算，本设计采用柱下独立基础，对基础承台进行了受力和配筋计算。 

整个结构在设计过程中，严格遵循相关的专业规范的要求，参考相关资料和有关最新的国家标准规范，对设计的各个环节进行综合全面的科学性考虑。总之，适用、安全、经济、使用方便是本设计的原则。设计合理可行的建筑结构方案是现场施工的重要依据。   

[关键词]： 框架结构，抗震设计，荷载计算，内力计算，计算配筋。

[Abstract]

The project is Nanjing Fangyuan Group office building, using the framework of the structure, the main four, the local seismic fortification intensity of 7 degrees, the venue category for the class I site. Basic wind pressure 0.40kN / m, the basic snow pressure 0.25kN / m. Floor, roofs are used cast-in-place reinforced concrete structure. The following are the same as the "

The design of the implementation of "practical, safe, economic, beautiful" design principles. In accordance with the architectural design specifications, seriously consider the factors that affect the design. According to the structure and the relationship between the overall structure and detail. The following are the same as the "

This design is mainly carried out in the structural scheme of the transverse frame of the second axis seismic design. After determining the layout of the frame, the calculation of the representative value of the interlayer load is carried out. Then, the self-oscillation period is obtained by the vertex displacement method, and then the size of the horizontal seismic load is calculated by the bottom shear method. Then, under the horizontal load The internal force of the structure (bending moment, shear force, axial force). The internal force of the structure under the vertical load (dead load and live load) is then calculated. Is to find the most unfavorable group or group of internal force combinations. Select the safest result to calculate reinforcement and draw. In addition, the design of the indoor staircase in the structural scheme was carried out. The internal force and reinforcement calculation and construction drawing of the platform plate, the ladder plate and the platform beam are completed. On the floor of the reinforcement calculation, the design of the pile foundation, the base of the pile and the pile of the force and reinforcement calculation. The following are the same as the "

The whole structure in the design process, strictly follow the relevant professional norms, reference to relevant information and the latest national standards, the design of the various aspects of comprehensive and comprehensive scientific considerations. In short, the application, safety, economy, ease of use is the principle of this design. Design of reasonable and feasible building structure program is an important basis for on-site construction. The following are the same as the "

[Key words]: frame structure, seismic design, load calculation, internal force calculation, calculation reinforcement.

目 录

摘要……………………………………………………………………………………………Ⅰ

第一章 工程概况及结构选型与布置……………………………………………………3

1.1 工程概况……………………………………………………………………………3

1.2 结构布置及选型……………………………………………………………………4

第二章 确定计算简图………………………………………………………………………5

2.1 确定计算简图……………………………………………………………………5

2.2 荷载计算……………………………………………………………………………5

第三章 框架内力计算……………………………………………………………………15

3.1 恒载作用下的框架内力…………………………………………………………19

3.2 活载作用下的框架内力…………………………………………………………21

3.3 风载作用下内力计算……………………………………………………………29

3.4 地震作用下横向框架的内力计算………………………………………………31

第四章 框架内力组合……………………………………………………………………39

4.1 框架梁弯矩调幅计算……………………………………………………………41

4.2 横向框架梁内力组合（一般组合）………………………………………………43

4.3 横向框架梁内力组合（考虑地震组合）…………………………………………45

4.4 横向框架柱内力组合（一般组合）………………………………………………47

4.5 横向框架柱内力组合（考虑地震组合）…………………………………………49

第五章 框架梁柱截面设计………………………………………………………………51

5.1 框架梁截面设计基本理论………………………………………………………51

5.2 框架柱截面设计基本理论………………………………………………………51

第六章 楼梯结构设计……………………………………………………………………60

6.1 梯段板计算………………………………………………………………………60

6.2 休息平台计算……………………………………………………………………61

6.3 梯段梁TL1计算…………………………………………………………………62

第七章 现浇楼面板设计…………………………………………………………………64

7.1 支座中点最大弯矩………………………………………………………………64

7.2 A区格………………………………………………………………………………65

7.3 E区格………………………………………………………………………………66

第八章 基础设计…………………………………………………………………………68

8.1 荷载计算…………………………………………………………………………68

8.2 确定基础底面积…………………………………………………………………68

8.3 基础结构设计……………………………………………………………………72

第九章 软件分析结果与手算结果比较……………………………………………76

参考文献………………………………………………………………………………………79

致谢……………………………………………………………………………………………80

1. 工程概况及结构选型与布置

1.1 工程概况

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