世博中国馆大口径双层螺旋保温风管的施工
Construction of large diameter two-layer spiral insulating air duct in China Pavilion of Expo 2010
摘要：
以世博中国馆为例，介绍了大口径双层螺旋保温风管在实际工程中的应用，并对其制作工艺、连接形式、加固形式、吊架形式及吊装方法进行了阐述。
关键词：大口径双层螺旋保温风管,连接芯管,加固环,单轨手推式行车
Abstract：
Taking the China Pavilion of Expo 2010 as an example, presents the application of the duct to actual project and elaborates the manufacturing techniques, the connecting and bracing, the form and the way of hanger of this kind of round duct.
Keywords:large diameter two-layer spiral insulating air duct, connecting inner pipe, bracing hoop, monorail hand-propelled sliding hanger