多层砼框架结构改造加固的方法及应用

发布时间：2018-04-20 01:33

本文选题：钢筋混凝土结构 + 建筑加固　；参考：《青岛理工大学》2017年硕士论文

【摘要】：近年来,经济建设飞速发展,社会不断进步,建筑物的使用功能也随之不断改变。从建国初期开始,我国兴建了大量的工业和民用建筑,很多建筑持续工作至今。国家规范不断完善发展,建筑技术不断更新换代,许多年代久远的既有建筑已不能满足结构抗震安全要求和正常使用功能的要求,出现了各种各样的结构问题,需要进行改造加固。我国目前城镇土地紧缺,几近饱和,新建筑的开发前景不容乐观,我国建筑行业的发展,也正在从大规模新建、新建与维修并举阶段逐步向既有建筑改造利用阶段转移。对既有建筑的改造重新利用已经成为建筑设计者和房地产开发从业者日渐关注的发展方向。青岛市北文化体育中心于少年宫路西侧,黄台路以北,贮水山儿童公园以南的合围区域内,该建筑始建于1991年,至目前建成约24年,使用期间经过多次改造,目前处于闲置状态。根据政府要求拟将该建筑物改为贝林自然博物馆,建成后总面积约为7190平方米,其中展区面积约为5380平方米,可同时容纳1200人观赏的动物标本博物馆。原建筑显然已不满足新项目的使用功能及现行规范的要求,需对该房屋进行改造。项目中应用PKPM设计软件中的SATWE模块和JDJG模块,对原建筑整体结构及局部构件进行建模及验算,根据计算结果对局部构件进行加固处理,通过研究学习多种加固方式的原理及施工方式,制定出一整套对针对原建筑结构构件的处理方案,提高结构的整体承载力和受力性能。本项目将钢结构引用到新建结构和原结构加固改造中,有效的提高了结构承载力及耐久性,施工周期短,使用材料绿色环保,充分满足用户的使用功能需求,与目前我国经济社会的可出续发展要求相契合,为日后的加固改造项目设计提供了新思路,起到了一定的借鉴作用。在既有建筑的改造加固同时,需要结合新建工程,最大限度的满足项目改造的功能需求。因此,改造加固和新建有机结合,才能最大限度的满足使用者对建筑的使用需求。钢结构具有强度高,延性和塑性变性能强,自重轻等区别于传统的混凝土结构、砌体结构所不具备的材料优势,符合我国住宅建筑产业化的目标,符合可持续发展的战略,在日后的建筑行业发展中有广阔的应用和发展空间。
[Abstract]:In recent years, with the rapid development of economic construction, social progress, the use of buildings is constantly changing. Since the beginning of the founding of the people's Republic of China, a large number of industrial and civil buildings have been built. With the continuous improvement and development of national codes and the continuous upgrading of building technology, many old existing buildings have been unable to meet the requirements of seismic safety requirements and normal use functions of structures, resulting in various structural problems. Reconstruction and reinforcement are needed. At present, the urban land is in short supply in our country, nearly saturated, the development prospect of the new building is not optimistic, the development of the construction industry of our country is also changing gradually from the stage of large-scale new construction, new construction and maintenance to the stage of reconstruction and utilization of the existing building. The reconstruction and reuse of the existing buildings has become the development direction of architectural designers and real estate developers. Qingdao North Culture and Sports Center is located on the west side of Children's Palace Road, north of Huangtai Road, and south of Shuishui Mountain Children's Park. The building was built in 1991 and has been completed for about 24 years. It has been renovated many times during its use. At present it is idle. According to the government's request, the building will be converted into the Beilin Museum of Nature, with a total area of about 7190 square meters, of which the exhibition area is about 5380 square meters, and can accommodate 1200 visitors at the same time. It is obvious that the original building can not meet the requirements of the new project and the current code, so it is necessary to renovate the building. In the project, the SATWE module and JDJG module of PKPM design software are used to model and check the whole structure and local members of the original building, and the local members are strengthened according to the calculation results. By studying the principles and construction methods of various reinforcement methods, a whole set of treatment schemes for the original structural members is formulated to improve the overall bearing capacity and mechanical performance of the structure. This project applies the steel structure to the new structure and the original structure, effectively improves the bearing capacity and durability of the structure, the construction period is short, the use of materials is green and environmental protection, and fully meets the functional needs of the users. In line with the requirement of sustainable development of our country's economy and society at present, it provides a new idea for the design of the reinforcement and transformation project in the future and plays a certain reference role. At the same time, the reconstruction and reinforcement of existing buildings should be combined with the newly built projects to meet the functional needs of the project transformation to the maximum extent. Therefore, the organic combination of reconstruction, reinforcement and new construction can meet the needs of the users to the maximum extent. The steel structure has the advantages of high strength, strong ductility and plasticity, light weight and so on, which is different from the traditional concrete structure and the material advantage that masonry structure does not have, which is in line with the goal of industrialization of residential buildings in our country and the strategy of sustainable development. In the future construction industry development has broad application and development space.
【学位授予单位】：青岛理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TU746.3

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