2.3 地基土工程性质评价........................................................................................8 2.4 地基土承载力评估............................................................................................8 2.5 岩土工程结论与建议........................................................................................9 第 3 章 基础方案设计计算...................................................................................... 10 3.1 上部结构作用..................................................................................................10 3.2 灌注桩基设计..................................................................................................11 3.3 单桩承载力计算..............................................................................................11
河南理工大学本科毕业设计 （论文)
பைடு நூலகம்摘要
摘 要
随着我国经济的发展和建筑设计的多样化，高层建筑的基础设计对保证工 程安全和控制工程造价至关重要。在选择基础形式时与建筑物的使用性质、上 部结构类型、地质情况、抗震性能、对周围建筑物的影响及施工条件等有密切 的关系。为节约投资应该对地基基础多方案比较进行优化设计。 本设计是成都东山国际 A 区 2#综合楼的桩基础设计， 本设计的主要思路是 根据地质勘察资料、施工条件和工程要求，确定桩基础的桩型、桩的断面尺寸 和长度、单桩容许承载力、桩的数量和平面布置以及承台的尺寸和构造，再根 据承受的荷载验算桩基承载力，估算沉降量并验算桩和桩承台的强度。通过设 计桩基础要达到掌握桩基设计计算的具体原理及主要设计步骤，更深入地理解 桩基工程特性。 通过本次钻孔灌注桩基础设计，使作者对桩的受力特点、制作工艺、设计 过程和施工方法有一个更为深入的了解，做到了把作者大学四年所学的力学知 识和基础课程与具体工程紧密结合，真正实现了理论应用于实践，增强了动手 能力，对今后解决实际问题大有帮助。
2.2 场地岩土工程条件............................................................................................5
2.2.1 地下水特征.................................................................................................................... 5 2.2.2 场地地层结构及岩土物理力学性质............................................................................ 6
3.3.1 确定单桩竖向极限承载力标准值.............................................................................. 11
3.4 确定桩数和布桩..............................................................................................13
II
河南理工大学本科毕业设计 （论文)
目录
目录
摘 要............................................................................................................................ I ABSTRACT.................................................................................................................... II 目录.......................................................................................................................... III 第 1 章 绪论................................................................................................................ 1 1.1 选题的目的和意义............................................................................................1 1.2 国内外研究综述................................................................................................1 1.3 本论文的设计内容............................................................................................3 第 2 章 工程地质概况................................................................................................ 5 2.1 自然地理和气候、气象....................................................................................5
关键词：地基；桩基础；钻孔灌注桩；设计；施工
I
河南理工大学本科毕业设计 （论文)
ABSTRACT
ABSTRACT
with the development of our economy and the diversification of architectural design, foundation design of high-rise building is very important to guarantee construction safety and control the project cost. In choosing base form buildings with the use of the properties, the upper structure type, geological conditions, seismic performance and influence on surrounding buildings and the construction conditions have a close relationship. To save investment should optimize the foundation scheme is designed. this design is the chengdu dongshan international area A 2 # building pile foundation design, the main idea of this design is according to the geological exploration data, construction conditions and engineering requirements, determine the pile foundation pile type, pile section size and length, the number of allowable bearing capacity of single pile, pile and plane arrangement and the size and structure of the cofferdam, again according to withstand the load calculation of pile foundation bearing capacity, estimating and calculating the pile settlement and the strength of the pile caps. Through the design to achieve mastery of pile foundation design and calculation of concrete pile foundation principle and main design steps, a deeper understanding of pile foundation engineering characteristics. Through the drill hole filling pile foundation design, the author of pile bearing characteristics, production technology, design process and construction method has a more in-depth understanding, did the author at the university four years learning knowledge of mechanics and basic course and combining concrete engineering, truly achieve the theories into practice, enhance the ability to solve practical problems in the future. Key words： the foundation； Pile foundation； Bored piles； Design； The construction