T/CECS 904—2021《供热管网预制保温塑料管道工程技术规程》解读
Interpretation of T/CECS 904-2021 Technical specification for pre-insulated composite plastic pipes engineering of heating network system
摘要：
供热管网预制直埋保温塑料管已在北方地区得到了较大规模应用。介绍了T/CECS 904—2021《供热管网预制保温塑料管道工程技术规程》标准编制过程中的一些技术难点，包括管材类型、设计使用条件、设计应力及连接方式等。
关键词：供热管网；预制保温塑料管；管道材料；设计使用条件；设计应力；管道连接
Abstract：
The pre-insulated composite plastic pipes have been applied widely in the northern region. This paper presents some technical difficulties in the preparation of the T/CECS 904-2021 Technical specification for pre-insulated composite plastic pipes engineering of heating network system, including the pipe types, design application condition, design stress and connection methods.
Keywords:heatingnetwork;pre-insulatedcompositeplasticpipe;pipematerial;designapplicationcondition;designstress;pipejointing