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摘要：本设计为中恒广场办公大楼结构设计，结构型式为现浇钢筋混凝土框架结构，屋盖及楼盖采用现浇式结构。地上八层，地下一层。高度为30.40米。设计内容主要为结构设计。结构设计过程包括结构方案的确定、结构计算和结构制图。首先进行结构方案的确定，结构布置尽量使得平面形状和立面体形简单、规则，使各部分刚度均匀对称，减少结构产生扭转的可能性。结构方案确定后进行结构计算，学习并运用通用建筑结构设计软件——PKPM建立模型、进行上部结构的整体计算。依据计算结果按制图标准绘制了结构施工图。21474
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毕业论文关键词: 办公楼；现浇钢筋混凝土框架结构；结构设计
The Structure Design of Zhongheng Square office building
Abstract：The project which has been designed is the structure design of Zhongheng Square office building. The structure of building is cast-in-place reinforced concrete frame system. Roof and floor cast-in-situ type structure. It has 8 floors on the ground,and 1 floor under the ground.Its height is 30.40 meters. The design mainly includes the structure design. The structural design process mainly concludes three steps: choosing the structural program, structural calculation and structure drawing. First, a suitable program was established. The structural arrangement should make the plane shape and bodily form simple and regulate. So, the stiffness of each part will be uniform and symmetry. In this way, the possibility of distortion will be reduced. Structural calculation involves the following contents: framework, slab, foundation and stairs. One frame was chosen to compute. Then structural design software—PKPM was used to calculate the structure on the ground. The structural drawings were drawn according to the calculated results.
KeyWords：office building；cast-in-place reinforced concrete frame system; structure design
目 录
1绪论及工程概况 1
1.1 框架的特点 1
1.1.1 框架结构特点 1
1.1.2 框架结构类型 1
1.2工程概述 1
1.2.1 设计题目 1
1.2.2 工程概况 1
1.2.3 原始资料 1
2结构方案设计 2
2.1 结构方案 2
2.1.1 结构选型 2
2.1.2 结构布置 3
2.1.3 基础形式 3
2.2 主要材料 4
2.2.1 混凝土强度等级 4
2.2.2 钢材 4
2.2.3 钢筋接头形式 4
2.4.4 混凝土保护层厚度 4
3 设计依据及设计计算辅助软件 4
3.1设计依据 4
3.2设计计算辅助软件 5
4 荷载统计 5
4.1 板荷载的统计与计算 5
4.1.1 板活荷载的确定 5
4.1.2 板恒荷载的确定 5
4.2 线荷载计算 7
4.2.1 梁上线荷载 7
4.2.2 女儿墙线荷载 7
5楼梯计算 10
5.1 现浇板式楼梯 10
5.2梯段板设计 11
5.2.1荷载计算 11
5.2.2 截面设计 12
5.3 平台板设计 12
5.3.1 荷载计算 12
5.3.2 截面设计 13
5.4 平台梁TL-1配筋设计 13
5.4.1 荷载计算 13
5.4.2 截面设计 14
5.4.3 斜截面受剪承载力计算 14