论文总字数：99824字

摘 要

本工程设计为钢筋混凝土框架结构设计，钢筋混凝土框架结构设计主要包括建筑设计阶段和结构设计阶段。建筑设计，是根据任务书给定的功能和基础资料，确定建筑物的基本平面布局和平面的布置，再结合建筑使用风格确定建筑的外立面以及造型。

结构设计，是按照建筑施工图中的平面功能布置以及外立面，结合地质情况，对整个建筑进行深层分析和概念设计、结构选型与结构布置、结构荷载统计与计算、结构内力计算与组合、结构构件设计和验算等，设计出满足建筑结构安全、适用、经济性和耐久性要求的建筑结构的过程。结合建筑功能，本工程选择框架结构体系，平面采用梁板式结构，选取规则位置的一榀框架进行内力分析。按照结构布置，估算梁板柱尺寸，并计算梁和板的刚度；然后对竖向荷载进行计算，根据楼面做法以及墙体做法，计算出恒荷载和活荷载的标准值；在对水平荷载记性计算，计算风荷载和地震荷载作用下的标准值。利用一品框架的相对线刚度，对竖向荷载使用弯矩二次分配法计算一榀框架的内力，对水平荷载采用D值法计算一品框架的构件内力。按照现行荷载规范以及可靠度设计规范，将计算的各种工况下的内力标准值进行组合，并按规范进行塑性内力重分布调整，求解出构件计算的内力设计值，再对柱进行压弯构件箍筋和纵向受力钢筋计算，对梁进行受弯构件的箍筋和纵向受力钢筋计算。在构件设计部分，本设计对楼梯的平台板、梯段板和平台梁进行计算设计；对楼板进行了配筋设计；对基础进行承载力验算、冲切验算以及配筋设计。

在设计过程中，采用AutoCad等软件进行辅助设计，设计过程中依据采用任务书指定的规范以及国家规范，实现了结构设计计算。

关键词：建筑设计、结构设计、弯矩二次分配、框架结构、D值法

Abstract

The design of this project is reinforced concrete frame structure design, which mainly includes architectural design stage and structural design stage. Architectural design is to determine the basic plane layout and plane layout of the building according to the function and basic information given in the task book, and then determine the facade and shape of the building in combination with the architectural use style.

Structural design is to carry out deep analysis and conceptual design, structural selection and layout, structural load statistics and calculation, structural internal force calculation and combination, structural component design and checking calculation for the whole building in accordance with the plane function layout and facade in the construction drawing, combined with geological conditions, so as to meet the requirements of safety, applicability, economy and durability of the building structure The process of building structure. Combined with the building function, the frame structure system is selected for the project, the beam plate structure is adopted for the plane, and a frame at regular position is selected for internal force analysis. According to the structural layout, estimate the size of beam, slab and column, and calculate the rigidity of beam and slab; then calculate the vertical load, and calculate the standard value of dead load and live load according to the floor practice and wall practice; calculate the standard value of wind load and seismic load under the horizontal load memory calculation. Using the relative linear stiffness of the first-class frame, the internal force of a frame is calculated by the second distribution method of bending moment for the vertical load and the internal force of the members of the first-class frame is calculated by the D-value method for the horizontal load. According to the current load code and reliability design code, the standard values of internal forces under various working conditions are combined, and the plastic internal forces are redistributed and adjusted according to the code, and the design values of internal forces are calculated. Then, the columns are calculated with stirrups and longitudinal stress-bearing steel bars, and the beams are calculated with stirrups and longitudinal stress-bearing steel bars. In the part of component design, the design calculates and designs the platform plate, the stair section plate and the platform beam; designs the reinforcement of the floor; checks the bearing capacity of the foundation, the punching calculation and the reinforcement design.

In the design process, AutoCAD and other software are used for the auxiliary design. In the design process, the structural design calculation is realized according to the specification specified in the task book and the national specification.

Key words: architectural design, structural design, secondary distribution of bending moment, frame structure, D-value method

目 录

第一章 前 言 4

1.1 设计目的 4

1.2 设计内容 4

1.2.1 建筑设计 4

1.2.2 结构设计 4

1.3 设计依据 5

第二章 结构布置 6

2.1 结构类型选择 6

2.2 材料选用 6

2.3 截面尺寸估算 6

2.4 计算简图确定 8

2.5 线刚度计算 10

2.5.1 梁柱线刚度 10

2.5.2 抗侧移刚度 15

2.5.3 侧向刚度比验算 17

第三章 竖向荷载计算 19

3.1 恒荷载标准值 19

3.2 活荷载标准值 20

3.3 恒荷载计算 21

3.4 活荷载计算 32

第四章 竖向荷载内力分析 37

4.1 分配系数计算 37

4.2 恒载内力分析 41

4.2.1 杆件固端弯矩 41

4.2.2 恒载内力计算 41

4.3 活载内力分析 49

4.3.1 杆件固端弯矩 49

4.3.2 活载内力计算 49

4.4 雪荷载内力计算 55

4.5 重力二阶效应验算 56

第五章 水平荷载内力分析 58

5.1 重力荷载代表值 58

5.2 结构抗侧刚度及自振周期 61

5.3 横向地震作用计算 62

5.4 地震作用变形验算 64

5.5 地震荷载内力分析 65

5.5.1 反弯点计算 65

5.5.2 地震荷载内力计算 67

5.6 风荷载标准值 74

5.7 风荷载位移验算 76

5.8 风荷载内力分析 76

5.8.1 反弯点计算 76

5.8.2 风荷载内力计算 78

第六章 内力组合计算 85

6.1塑性弯矩调幅 85

6.2 一榀框架柱内力组合 86

6.3 一榀框架梁内力组合 96

第七章 截面设计 104

7.1 梁配筋设计 104

7.1.1 梁纵向钢筋计算 107

7.1.2 梁斜截面受剪承载力计算 120

7.2 柱配筋设计 125

7.2.1 轴压比和剪跨比计算 125

7.2.2 柱正截面钢筋计算 127

7.2.3 柱斜截面受剪计算. 135

第八章 楼梯设计 136

8.1 设计资料 136

8.2 梯板计算 136

8.3 平台板计算 137

8.4 梯梁计算 138

第九章 楼板设计 139

9.1 设计资料 139

9.2 楼板计算 140

第十章 基础设计 145

10.1 设计资料 145

10.2 荷载计算 145

10.3 基础尺寸 145

10.4 基础高度 147

10.5 配筋计算 149

致谢 154

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