原有主楼局部新增结构及加固改造施工技术

Adding New Structure and Reconstruction Technology in the Original Building

中建鸿达大厦经过近20年的使用,室内装饰、机电系统等存在不同程度的破损及老化现象;内部房间功能和外立面造型也不能满足使用与美观要求,需要对大厦的原有主楼进行局部拆除及加固改造,并在其周边新建若干功能用房。结合工程实例,详细介绍了原有主楼结构拆除、局部新增结构及加固改造的施工方法及要点等,加固结果满足要求。

Hongda building has been used nearly 20 years, there are different degrees of damage and aging of interior decoration, mechanical and electrical system, internal room function and facade also gradually can not meet the use and appearance requirements. So, the building needs local demolition and reinforcement and reconstruction, and some new functional rooms are built in the surrounding. Combined with engineering examples, the original building structure demolition, local additional background, construction method and key structure and reinforcement are introduced, and the strengthening result is good.