摘 要

第一章 结构选型及布置 4

1.1工程概况及选型设计资料 4

第二章 计算简图及荷载计算 8

第三章 框架内力计算 19

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 26

3.3 风荷载作用下内力计算 42

3.4 地震作用下横向框架的内力计算 45

第四章 框架内力组合 52

第五章 框架梁柱截面设计 64

第六章 楼梯结构设计 79

6.1 梯段板计算 79

6.2 休息平台板计算 80

6.3 梯段梁TL1计算 81

第七章 现浇楼面板设计 82

7.1 跨中最大弯矩 82

7.2 求支座中点最大弯矩 82

7.3 A区格 83

7.4 B区格 84

7.5 C区格 85

7.6 D区格 86

第八章 基础设计 88

8.1荷载计算 88

8.3 基础结构设计 92

第九章 电算与手算对比 96

第十章 工程量统计 101

10.1 技术条件 101

10.2 全楼混凝土和钢筋总用量统计 101

10.3按强度等级统计 101

10.5 工程量按构件类型分层统计 103

参考文献 104

致谢 107

盐城市某公司综合楼设计

摘要

本毕业设计工程为盐城市某公司综合楼设计。拟建工程属于丙类建筑，平面为矩形，占地面积尺寸为42m×18m，总建筑面积约为3800m²,建筑层数为5层，建筑高度18.4m。设置两个楼梯。根据拟建建筑的使用功能，结构受力特点及场地条件，采用钢筋混凝土框架结构体系，结构安全等级为二级，设计使用年限为50年，基本风压为0.45kN/m²及基本雪压值为0.35kN/m²，结构抗震设防烈度为7度，设计基本地震加速度值为0.15g，设计地震分组为第三组，地面粗糙程度为B类，场地类别为二类，场地类别为Ⅱ类，属对建筑抗震一般地段。本框架的结构抗震等级为三级。

本工程手算部分选取了第⑩轴线进行计算，在对结构选型及布置后，估算了构件的截面尺寸，再进行荷载计算，其中水平地震荷载作用下运用底部剪力法，再运用弯矩分配法计算框架在恒载、活载、0.5（雪 活）竖向荷载作用下内力，运用D值法计算风载、水平地震作用下的内力；对梁端弯矩调幅后，考虑3种一般组合和1种考虑地震作用下的组合进行内力组合计算，再根据内力组合结果进行梁柱截面配筋计算；之后对采用AT型板式楼梯和对包含双向板的楼板以及对柱下独立基础进行配筋计算。

关键词：框架结构 抗震设计 荷载计算 内力计算 配筋计算

Complex building design of a company in YanCheng province

Abstract

This graduation project is the design of the complex building of accompany in YanCheng province. The proposed project is a class c building with arectangular plane and an area of 42m x 18m. The total construction area is about 3800m squared, with 5 floors and a height of 18.4m. Set up 2 staircases. According tothe use function of the proposed building, the structural stress characteristic and thesite condition, the reinforced concrete frame structure system is adopted, security level for the secondary structure, the design use fixed number of year for 50 years,the basic wind pressure value of o.45 kN/m squared and the basic snow pressure value of 0.35kN/m squared,structural seismic fortification intensity of 7 degrees, design basic earthquakeacceleration value of 0.15 g, design earthquake are grouped into the third group, thesurface roughness of b class, site category for II , belong to the common areas of aseismic. The structure of the frame has three seismic levels.

In the manual calculation part of this project, the seventh axis is selected forcalculation. After selecting and arranging the structure, the section size of thecomponent is estimated, then the load is calculated. Which use the equivalent baseshear method, under horizontal seismic load and moment-distribution method isapplied to estimate framework in the dead load, live load, 0.5(live snow) under theaction of vertical load internal force, using the D-value method to calculate the windload, internal force under horizontal seismic action. After the beam end bendingmoment is adjusted, three general combinations and one combination under seismicaction are considered for the calculation of internal force combination. According tothe results of internal force combination, the calculation of beam and column sectionreinforcement is carried out. After that, the reinforcement calculation of AT typeplate stair, two-way slab and independent foundation under column iscarried out.

Key Words:Frame structure;Aseismic design;Load calculation;Internal force calculation;Reinforcement computation

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