论文总字数：61279字

摘 要

建筑名称：南京某科技园C区4号办公楼

结构类型：钢筋混凝土框架结构

层 数：四层

总建筑面积：2764.8m²

本图书馆建筑建筑总高度14.8米，共4层，底层层高4米，其余层高3.6米，采用现浇钢筋混凝土框架结构，抗震等级为三级，抗震设防烈度为7度，整个设计包括建筑设计和结构设计两部分。

建筑设计部分，首先根据建筑的使用功能确定建筑的初步布局，包括建筑体形及室内空间布置等，然后结合使用的材料、做法进一步确定具体尺寸和平、立面风格等。具体来说，主要包括总平面设计、建筑平面设计（功能布局及布置思路、房间的布置、卫生间的设计、楼梯布置、柱网布置等）、立面设计、剖面设计（层数层高确定及楼梯设计）、建筑材料设计（屋面做法、楼面做法）、防火设计，并对主要设计规范、尺寸单位、荷载及钢筋混凝土作了附加说明。

结构设计部分，首先根据建筑设计、工艺使用要求、材料供应情况以及场地地质条件等确定结构布置方案，然后选取一榀典型框架进行设计计算。在明确计算简图的前提下，进一步确定框架承受的荷载，包括恒载、屋（楼）面活载和风荷载，在此基础上进行框架内力计算（采用D值法计算风荷载作用下的内力，采用弯矩二次分配法计算竖向荷载作用下的内力）、内力组合、梁、柱和基础等构件的配筋计算以及风荷载作用下的侧移验算。除此之外，还进行了楼梯设计（梯段板设计、平台板设计及平台梁设计）、雨篷的设计与计算等。

为进一步验证手算结果的精确度，采用PKPM 2005行业软件进行了电算，比较分析表明手算结果是可靠的。最后用AutoCAD进行绘图。

关键词：钢筋混凝土框架结构；办公楼；建筑设计；结构设计

Abstract

Building Name：the forth Office of C District in Nanjing Science Park

Structure System：Reinforced concrete frame structure

Number of Stories： 4 stories

Total floor area：2764.8m²

The present project is a 4-storey library with the floor height 4m and other floor height is 3.6m and the total height 14。8m. The four-layer building is adopted the cast-in-place reinforced concrete frame structure, and the seismic fortification intensity is 7 with the anti-seismic level 3. The entire graduation project divides into two parts, that is, the architectural design part and the structural design part.

In the architectural design part, the general layout is first determined according to the building function, including conformation and indoor spatial setting; then the dimension, plane style and elevation style are chosen considering the engineering materials and constructional details. Make it more specific,it includes the total plane design, architectural graphic design (the function layout and layout thinking, the room arrangement and the design of toilet, stair layout, column, etc), the facade design layout, section design(the number and the height of layers identity and stair design), building materials design (roofing approach, the floor practice) and fire prevention design. In addition, instructions for the main design norms and dimensions, load and reinforced concrete is given.

In the structural design part, the array of structure is first determined according to architectural design, process demand, material supply and geological conditions; then a typical transverse frame is taken to be computed. After the extract of computation sketch, the external loads such as the dead load, living load on the roof (floor) and the wind load are calculated; then the internal force in the structure is obtained through the moment distribution method under vertical loading and the modified knick point method under horizontal loads. In the following, the combination of internal force is performed. On the above basis, the design of structural components such as beams, columns and foundations are respectively carried out, and at the same time the checking computation of the slidesway under wind load is done. In addition, the design of the stair (ladder period of board design, smooth bedplate design and platform beam design), the canopy and other accessory components are also completed..

To verify the accuracy of above results, numerical tests are performed with the software PKPM 2005, and the comparisons prove that the original results are reliable. Finally, the construction documents are completed using the software AutoCAD 2004.

Keywords: Reinforced concrete frame; Office building； Architectural design; Structural design.

目录

第一章 结构选型与布置……………………………………………04

第二章 确定计算简图………………………………………………06

第三章 框架内力计算

3.1恒载作用下的框架内力………………………………………………16

3.2活载作用下的框架内力………………………………………………23

3.3风荷载作用下内力计算………………………………………………29

3.4地震作用下横向框架的内力计算 ……………………………………33

第四章 框架内力组合

4.1弯矩调幅……………………………………………………………42

4.2横向框架梁内力组合…………………………………………………43

4.3横向框架柱内力组合…………………………………………………46

第五章 框架梁柱截面设计 …………………………………………59

第六章 楼梯结构计算设计

6.1梯段板计算 …………………………………………………………62

6.2休息平台板计算 ……………………………………………………64

6.3梯段梁TL1计算 ……………………………………………………65

第七章 现浇楼板设计 ……………………………………………65

第八章 基础设计

8.1荷载计算 …………………………………………………………69

8.2确定基础底面积 ……………………………………………………70

8.3基础结构设计 ………………………………………………………73

第九章 PKPM软件在框架结构设计中的应用

9.1电算结果 …………………………………………………………78

参考文献 ……………………………………………………………84

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