论文总字数：87941字

摘 要

钢筋混凝土框架结构设计是土木工程专业毕业设计的主要内容，也是从事建筑结构设计工作的设计人员经常遇到的问工作，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和PKPM软件进行辅助设计，设计依据采用任务书指定的规范以及现行国家的其他相关规范，最终实现了框架结构的设计计算。

关键词： 结构设计、框架结构、弯矩二次分配、D值法

Abstract

Reinforced concrete frame structure design is the main content of the graduate design of civil engineering major, and is also a common problem encountered by designers engaged in architectural structure design. Reinforced concrete frame structure design mainly includes the architectural design stage and the structural design stage. Architectural design is to determine the basic layout and layout of the building according to the functions and basic data given in the task book, and then determine the facade and shape of the building in combination with the style of use of the building.

Structural design is to carry out deep analysis and conceptual design, structural selection and structural layout, structural load statistics and calculation, structural internal force calculation and combination of the entire building according to the functional layout and facade of the building construction drawing, combined with geological conditions. , Structural member design and check calculation, etc., the process of designing a building structure that meets the requirements of building structure safety, application, economy and durability. Combined with building functions, this project chooses a frame structure system, the plane adopts a beam-slab structure, and selects a frame at a regular position for internal force analysis. According to the structural layout, estimate the size of the beam, plate and column, and calculate the stiffness of the beam and slab; then calculate the vertical load, and calculate the standard values ​​of the constant load and the live load according to the floor and wall practices; , Calculate the standard value under the action of wind load and seismic load. Using the relative linear stiffness of the first-grade frame, the internal force of the first-grade frame is calculated by using the second moment of bending moment distribution method for vertical loads, and the internal force of the first-grade frame members is calculated by the D value method for horizontal loads. According to the current load code and reliability design code, the calculated internal force standard values ​​under various working conditions are combined, and the plastic internal force redistribution adjustment is performed according to the code, the calculated internal force design value of the member is solved, and then the column is bent Calculation of member stirrups and longitudinally stressed steel bars, calculation of stirrups and longitudinally stressed steel bars of flexural members. In the component design part, this design calculates and designs the platform plate, step plate and platform beam of the staircase; the reinforcement design of the floor slab; the bearing capacity check, punching check calculation and reinforcement design of the foundation.

In the design process, AutoCad and PKPM software are used for auxiliary design. The design is based on the specifications specified in the mission statement and other relevant specifications in the

current country, and finally the design calculation of the frame structure is realized.

Keywords: structural design, frame structure, secondary distribution of bending moments, D-value method

目录

摘 要 I

Abstract II

第1章 前言 1

1.1 设计目的 1

1.2 设计内容 1

1.3 设计依据 1

第2章 结构布置 2

2.1 结构方案与布置 2

2.1.1 结构类型选择 2

2.1.2 构件截面尺寸估算 2

2.2 框架线刚度计算 5

2.2.1 框架柱线刚度计算 6

2.2.2 框架梁线刚度计算 6

2.3 BIM建模 8

2.3.1 BIM模型 8

2.3.2 BIM建模过程 8

2.3.3 BIM效果图 8

第3章 荷载计算 1

3.1 恒载标准值计算 1

3.2 活荷载标准值计算 1

3.3 墙体自重荷载计算 2

3.3.1 外纵墙自重计算 2

3.3.2 内纵墙自重计算 2

3.4 竖向荷载计算 2

3.4.2 恒载标准值计算 3

3.4.3 活载计算 7

3.5 风荷载计算 9

3.5.1 风荷载标准值计算 9

3.5.2 风荷载位移验算 11

3.6 地震荷载标准值计算 12

3.6.1 重力荷载代表值计算 12

3.6.2 框架自振周期计算 14

3.6.3 水平地震作用计算 15

3.6.4 地震作用变形验算 16

第4章 荷载内力分析计算 1

4.1 恒载计算 1

4.1.1 计算分配系数 1

4.1.2 弯矩计算 2

4.1.3 恒载内力计算 3

4.2 活载计算 7

4.2.1 活载梁端弯矩计算 7

4.3 雪荷载计算 11

4.4 风荷载内力计算 12

4.5 地震作用内力计算 16

第5章 内力组合计算 21

5.1 塑性弯矩调幅 21

5.2 柱内力组合 24

5.3 梁内力组合 30

第6章 截面设计 34

6.1 梁截面设计 34

6.1.2 正截面设计 35

6.1.3 斜截面设计 43

6.2 框架柱配筋设计 47

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