既有建筑外墙节能改造细部节点设计

Detail nodes design of energy-saving reform of exterior walls in existing buildings

外墙外保温的细部节点设计对既有建筑外墙节能改造的质量好坏起着重要作用。本文在介绍外墙节能改造细部节点类型的基础上,分析了目前外墙外保温改造工程常规细部节点和特殊细部节点构造做法及存在的问题,并针对勒脚、墙体阳角、滴水槽、女儿墙等部位和空调孔、外墙固定件的做法提出了相应的改进措施及细部节点设计建议,以期为既有建筑外墙节能改造的设计和施工提供参考。

Detail nodes design of exterior wall insulation plays an important role in imploving the quality of energy-saving reform of existing buildings exterior walls. The article describes the types of detail nodes in energy-saving reform of exterior walls, analyses the problems of practice in general and special detail nodes,proposes the reform measurs and the design proposals of detail nodes in allusion to the practice of plinth area, Yang wall angle, drip site, parapet, air hole, wall fixture and so on. The article will provide useful reference and significance to the detail nodes design and construction in energy- saving of existing buildings exterior walls.