论文总字数：38871字

摘 要

本工程为无锡市机械公司办公楼工程，采用框架结构，主体为四层，本地区抗震设防烈度为6度，场地类别为II类场地。楼﹑屋盖均采用现浇钢筋混凝土结构。

本设计主要进行了结构方案中横向框架第6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。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。完成了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，本设计采用条形基础，对基础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；内力计算

Design of a light Plan in WuXi

ABSTRACT

This works for the city of WuXi City office building, a framework structure for a six-storey main, in the region earthquake intensity of 6 degrees site classification as Class II venues. Floor roof were using cast-in-place reinforced concrete structure.

The design of the main structure of the program horizontal framework 6 - axis seismic design. In determining the distribution framework, the first layer of representative value of the load, Then use vertex from the displacement method for earthquake cycle, and then at the bottom of shear horizontal seismic load calculation under size, then calculated the level of load under the Internal Forces (bending moment, shear and axial force). Then calculate vertical load (constant load and live load) under the Internal Forces. Identify the most disadvantaged group or an internal force several combinations. Select the best safety results of the reinforcement and Mapping. In addition, the structure of the program indoor staircase design. Completion of the platform boards of internal forces calculation and construction mapping. On the floor reinforcement calculation, the use of pile foundation design, foundation and pile caps for the force and reinforcement calculation.

The whole structure of the design process, in strict compliance with the relevant professional standard, reference to relevant information and the latest national standards and specifications, and design of the various components of a comprehensive scientific considerations. In short, application, security, economic and user-friendly design is the principle. Design reasonable and workable structure of the program is the construction site of the important basis for the construction.

KEY WORDS: Frame Structure； Seismic Design； Internal force calculation；

目录

摘要

ABSTRACT

第一章、设计资料及要求····································1

1.1工程概况············································1

1.2设计内容及要求······································2

第二章、确定计算简图·····································4

2.1梁柱截面尺寸········································4

2.2材料强度等级········································5

2.3荷载计算 ···········································5

2.4风荷载··············································10

2.5地震作用············································11

第三章、框架内力计算····································16

3.1恒载作用下框架内力·································16

3.2活载作用下框架内力·································24

3.3风荷载作用下内力计算·······························30

3.4地震作用下横向框架内力计算·························36

第四章、框架内力组合····································46

第五章、框架梁柱截面设计································55

第六章、楼梯结构计算设计································65

6.1梯段计算···········································65

6.2休息平台板计算·····································66

6.3梯段梁TL1计算·····································67

第七章、现浇楼面板设计··································68

7.1求支座中点最大弯矩··································68

7.2车间区格（B）·······································70

7.3车间区格（A）·······································71

第八章、基础设计········································73

8.1荷载计算···········································73

8.2确定基底面积·······································73

8.3地基变形验算·······································76

8.4基础结构设计·······································76

第九章、软件分析结果与手算结果比较···················78

参考文献············································82

致谢················································83

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