论文总字数：87194字

摘 要

本设计是一个五层的办公楼，拟建于江苏南京，抗震设防烈度为7度。建筑层高均为3.3m，室内外高差0.60m，总建筑面积2500 m²。鉴于框架具有建筑空间分隔灵活，自重轻，节省材料并可以较灵活地配合建筑平面布置等优点，本设计承重体系采用框架结构。

本设计主要内容包括建筑设计和结构设计。

建筑设计根据建筑的使用要求，进行建筑的平面设计、立面设计和剖面设计。选择适合的建筑材料，进行建筑细部设计。

结构设计中的所有内力计算主要是针对选取的一榀框架，设计时考虑的荷载有恒荷载、活荷载、风荷载以及水平地震作用。通过运用D值法，顶点位移法、底部剪力法、反弯点法、弯矩二次分配法等方法计算在这些荷载的作用下框架的内力，进行内力组合选取最不利组合并进行截面设计。

关键词：框架结构；建筑设计；结构设计；施工图

Administrative Office Design of Nanjing City

Abstract

The design is a five-story office building, to be built in Nanjing, Its seismic intensity is 7 degrees, height of storey building is 3.3m, the height between indoor and outdoor is 0.60m, and total construction area is 5500 m². Because the framework has the advantage of separated flexibility of the building space, light weight, saving materials and can be more flexible with the building layout, frame structure is chosen to design the load-bearing system.
The main content of the design contains architectural design and structural design.
According to the requirements of the building, graphic design, facade design and cross-sectional design of the building are made. The appropriate building materials are selected to design architectural details.

All internal forces in the structural design are calculated targeting at selected specimens framework. Constant loads, live loads, wind loads and horizontal seismic action are considered in the deisgn. Through using the D-value method, the vertex displacement method, base shear method, the inflection point method, moment secondary distribution method, the internal force of the frame structure under these loads are calculated. The internal forces are combined and the most unfavorable combination are selected and make the cross-sectional design .

Keywords: Frame structure; Architectural design; Structural design; Construction plans

目录

摘要…………………………………………………………………………………………ⅠAbstract…………………………………………………………………………………… Ⅱ

1. 结构选型与布置………………………………………………………………… 1

1.1 结构平面布置…………………………………………………………………… 1

1.2 框架梁柱截面尺寸初步确定…………………………………………………… 7

1. 计算简图………………………………………………………………………… 9

2.1 确定计算简图…………………………………………………………………… 9

2.2 材料强度等级…………………………………………………………………… 9

2.3 荷载计算………………………………………………………………………… 9

1. 框架内力计算…………………………………………………………………… 20

3.1 恒载作用下的框架内力………………………………………………………… 20

3.2 活载作用下的框架内力………………………………………………………… 27

3.3 风荷载作用下的位移、内力计算……………………………………………… 46

3.4 地震作用下横向框架的内力计算……………………………………………… 51

1. 框架内力组合…………………………………………………………………… 60

4.1 弯矩调幅………………………………………………………………………… 60

4.2 框架梁…………………………………………………………………………… 64

4.3 框架柱…………………………………………………………………………… 67

1. 框架梁柱截面设计……………………………………………………………… 71

5.1 梁………………………………………………………………………………… 71

5.2 柱………………………………………………………………………………… 77

1. 楼梯结构设计计算……………………………………………………………… 90

6.1 梯段板计算……………………………………………………………………… 90

6.2 休息平台板计算………………………………………………………………… 91

6.3 梯段梁TL1计算………………………………………………………………… 92

1. 现浇楼面板设计………………………………………………………………… 94

7.1 跨中最大弯矩…………………………………………………………………… 94

7.2 支座中点最大弯矩……………………………………………………………… 95

7.3 A区格…………………………………………………………………………… 96

7.4 D区格…………………………………………………………………………… 97

1. 基础设计…………………………………………………………………………100

8.1 荷载计算…………………………………………………………………………100

8.2 确定基础底面积…………………………………………………………………101

8.3 基础结构设计……………………………………………………………………104

1. PKPM软件分析结果与手算结果分析比较………………………………………109

9.1 PMCAD全楼结构模型建立……………………………………………………… 109

9.2 PK模块分析单榀框架内力………………………………………………………110

9.3 软件分析结果与手算结果分析比较……………………………………………113

结语…………………………………………………………………………………………119

致谢…………………………………………………………………………………………120

参考文献……………………………………………………………………………………121

第一章 结构选型与布置

1.1结构平面布置

题目：江苏省南京市某电器集团行政办公楼

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