论文总字数：60830字

摘 要

ABSTRACT

第一章 设计资料及要求· ·································2

1.1设计内容及要求······································2

第二章 确定计算简图·····································3

2.1梁柱截面尺寸········································3

2.2材料强度等级········································3

2.3计算简图············································3

2.4荷载计算 ···········································5

2.5风荷载··············································9

2.6地震作用············································10

第三章 框架内力计算····································17

3.1恒载作用下框架内力·································17

3.2活载作用下框架内力·································25

3.3风荷载作用下内力计算·······························32

3.4地震作用下横向框架内力计算·························41

第四章 框架内力组合····································46

第五章 框架梁柱截面设计································54

第六章 楼梯结构计算设计································67

6.1梯段计算···········································67

6.2休息平台板计算·····································68

6.3梯段梁TL1计算·····································69

第七章 现浇楼面板设计··································71

7.1求支座中点最大弯矩··································71

7.2 区格（I）·······································72

7.3 区格（H）·······································73

第八章 基础设计········································76

8.1荷载计算···········································77

8.2 地基沉降与沉降差验算····························· 82

8.3地震验算· ······································83

常州某研究院实验楼设计

摘 要

根据建筑方案图，本工程结构为四层现浇钢筋混凝土多层框架结构。设计使用年限为50年；结构安全等级为二级；抗震设防烈度为7度；设计基本地震加速度值为0.10g；框架的抗震等级为二级；采用独立基础，地基基础设计等级丙级；建筑室内外高差450mm，室外标高即为现有自然地面标高。

根据建筑设计和结构承重、抗震方面的要求以及场地地质条件，合理地进行结构选型和结构整体布置，确定各种结构构件的尺寸，选取一榀主要横向结构框架进行结构设计计算，用计算结构力学程序对该榀结构框架进行电算与手算结果进行对比分析；完成楼梯设计和基础设计；用PKPM软件对整栋框架结构进行PKPM电算；绘制出相关建筑和结构施工图。

通过本模拟设计，可使学生综合土木工程专业各课程的知识，了解建筑设计方法，熟悉结构设计与分析过程。

关键词：弯矩；剪力；配筋；抗震

Changzhou Research Institute of experimental building design

According to the construction plan map, the project structure for the five multi-cast reinforced concrete frame structure. Design life of 50 years; structural safety class II; seismic intensity of 7 degrees; basic design earthquake acceleration value of 0.10g; seismic level framework for secondary; construction; using an independent foundation, foundation design grade C indoor and outdoor height 450mm, outdoor e×isting is natural ground level elevation .

According to architectural design and structural loading, seismic requirements and site geological conditions, a reasonable structural selection and the overall layout of the structure to determine the dimensions of various structural components, Select a transverse specimens of the main structural framework for structural design calculations. Select a transverse specimens of the main structural framework for structural design calculations. Computational Structural Mechanics program with structural framework of the specimens of Computing and hand-calculated results were compared, complete staircase design and foundation design. PKPM software used throughout the frame structure PKPM Computing. Mapping out the architectural and structural drawings.

Through this simulation designed to allow students' comprehensive knowledge of the various programs in Civil Engineering, understanding approach to building design, familiar with structural design and analysis process.

keyword: moment; shear; reinforcement; seismic

第一章 设计资料及要求

1.1工程概况

本工程为实际应用课题，地点在常州市，为某研究院实验楼，三跨四层，三层设办公室若干个，四层设置约110 m²大会议室1个，约70 m²小会议室2个，其余为实验室、环咨室、资料室等。要求采用钢筋混凝土多层框架结构。在正常情况下，本工程的合理设计使用年限为50年，建筑结构的安全等级为二级。工程的标准层柱网布置和剖面见附图。

图1-1 柱网布置图

1.2 气象资料

基本风压：0.40kN/m² ；

基本雪压：0.35kN/m²

1.3 工程地质资料

（1、本工程场地较平坦，废弃建筑已拆除。

2、根据地质钻探，该场地土质较均匀，土层分布情况如下：

①人工杂填土，含建筑垃圾，松散，厚度0.5～0.7米。

②有机亚粘土，黄褐色，密实，可塑，厚度0.4～0.6米，地基承载力标准值f_k=100kN/m²。

③粉质粘土，密实，可塑，厚度4～4.6米，f_k=180kN/m²。

④粘土，硬塑，厚度6～7.4米，f_k=220 kN/m²。

3、建议以粉质粘土层作为持力层，采用浅基础。

4、地下水位在天然地面下1.5米处，无侵蚀性。

5、场地无液化土层，场地土类别为Ⅱ类。

1.4 结构和场地地震效应

（1）建筑结构的安全等级为二级。

（2）设防烈度为7度，设计基本地震加速度值为0.10g，设计地震分组为第一组。

（3）地基基础设计等级：丙级。

1.5 施工技术条件：本工程由建筑工程公司承建，设备齐全，技术良好。

1.6 材料供应：三材及一般材料能按计划及时供应。

第二章、确定计算简图

本工程场地属Ⅱ类场地土，地质条件较好，初步判定采用柱下独立基础，挖去所有杂填土，基础置于第二层粉质粘土层上，基底标高为设计相对标高-2.10m。底层柱子高度为=4.8m（初步假设基础高度0.5m），二~四层柱高为~=3.6m。柱节点刚接，横梁的计算跨度取柱中心至中心间的距离，三跨分别为：=8100mm、2600mm、8100mm。

2.1梁柱截面尺寸：

1框架柱：

根据轴压比公式初步估定柱截面尺寸：

b_c= h_c=500×500mm

2框架梁：

横向框架梁梁AB跨、CD跨：300mm×700mm，BC跨：250×400。纵向跨架梁250mm×500mm

3楼板：

边跨：取h=120mm

走廊：取h=100mm

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