论文总字数：87185字

摘 要

本毕业设计工程为江苏连云港某科创园职工宿舍楼设计。拟建工程属于丙类建筑，平面为凹形，总建筑面积约为3393m²，建筑层数为5层，建筑高度19.75m。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；因层数较低，地基土的承载力较小，故基础采用桩基础。

本工程手算部分选取了第④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，在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基础进行配筋计算。

关键词：框架结构 桩基础 荷载计算 内力组合 配筋计算

The design of Staff Dormitory in a science park in donghai county

Abstract

This graduation project is designed for a staff dormitory building in Lianyungang, Jiangsu. The proposed project is a Class C building with a concave plane, a total construction area of 3393m2, five floors and a building height of 19.75m m. According to the use function, structural stress characteristics and site conditions of the proposed building, a reinforced concrete frame structure system is adopted. Due to the low number of floors and the small bearing capacity of foundation soil, the foundation adopts pile foundation.

In the manual calculation part of this project, the fourth axis is selected for calculation. After structural selection and arrangement, the section size of the components is estimated and then the load calculation is carried out. The bottom shear method is used under horizontal earthquake load, the bending moment distribution method is used to calculate the internal force of the frame under dead load, live load and 0.5 (snow live) vertical load, and the D value method is used to calculate the internal force under wind load and horizontal earthquake. After the bending moment at the beam end is adjusted, the internal force combination calculation is carried out considering 3 general combinations and 1 combination considering earthquake action, and the reinforcement calculation of beam-column section is carried out according to the internal force combination result. After that, the reinforcement calculation is carried out for the AT-type slab staircase, the floor slab with two-way slab and the foundation.

Key words:The frame structure；Pile foundation；Load calculation；Internal force combination；Calculation of reinforcemen

目录

摘要 Ⅰ

Abstract Ⅱ

第一章 梁柱板截面尺寸 1

1.1柱 1

1.2梁 2

1.3板 4

1.4材料强度等级 4

1.5荷载计算 5

1.5.1楼面均布恒载 5

1.5.2楼面横梁竖向线荷载标准值 6

1.5.3屋面框架节点集中荷载标准值 8

1.5.4楼面框架节点集中荷载标准值 9

1.6风荷载计算 12

1.7地震作用 13

1.7.1重力荷载代表值 13

1.7.2地震作用计算 15

第二章 框架内力计算 19

2.1恒载作用下的框架内力 19

2.1.1弯矩分配系数 19

2.1.2杆件固端弯矩 21

2.1.3节点不平衡弯矩 24

2.1.3恒载弯矩分配 24

2.2活载作用下的框架内力 30

2.3风荷载作用下的内力计算 39

2.4地震作用下横向框架内力计算 43

2.4.1由0.5（雪 活）荷载作用下内力计算 43

2.4.2地震作用下横向框架内力计算 51

第三章 内力组合 54

3.1弯矩调幅 54

3.2内力组合 55

第四章 框架梁柱截面设计 66

4.1梁截面设计 66

4.2柱截面设计 74

第五章 楼梯结构设计 86

5.1计算简图及截面尺寸 86

5.2梯段板设计 87

5.3休息平台板计算 88

5.4梯段梁计算 88

第六章 现浇楼面板设计 90

6.1楼板布置示意图 90

6.2根据内力确定配筋 92

第七章 基础设计 93

7.1确定举出持力层 93

7.2初选桩型和承台埋深 93

7.3单桩承载力设计 93

7.4桩基各柱承载力验算 94

7.5单桩设计 95

7.6承台计算 95

7.7基础梁计算 97

第八章 手算与电算对比 99

参考文献 106

结论 107

致谢 108

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