,PE,PE,,.

mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">钢带管的防腐层是指粘接树脂和外层, mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">其厚度应符合CJ/T225-2006 Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">标准中的有关规定；对于管材的物理力学性能也应符合相关规定.

mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">生产钢带管所使用的原料是以PE mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">管为主, mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">其中仅可以加入可以提高性能的必须的添加剂, mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">其中聚乙烯的含量应在90% mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">以上。

mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">钢带增强聚乙烯螺旋波纹管的新颖用途：

1. mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: 宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin">直径较小的PE mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family: Calibri;mso-hansi-theme-font:minor-latin">管可用长盘管方式供货，运输、铺设、安装十分方便；直径较大的柔韧PE mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">管一般可在地面上连接好后再铺入管沟，施工十分方便；

2. mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: 宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin">某些场合下可不挖管沟，而用顶管技术铺设钢带增强聚乙烯螺旋波纹管；

3. mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: 宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin">可用长管沉入法在江、湖、河、海水底铺设PE mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family: Calibri;mso-hansi-theme-font:minor-latin">管，也可在沙漠上不挖沟铺设PE mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family: Calibri;mso-hansi-theme-font:minor-latin">输水管：

4. mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: 宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin">可用PE mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family: Calibri;mso-hansi-theme-font:minor-latin">塑料管做内补管修复旧排水管。

mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">其次，PE mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">大口径管材钢带增强聚乙烯螺旋波纹管的埋置安装工作管道的筛选和埋置工作是给排水系统施工作业的主体，也是市政给排水工程施工的重点。

mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">施工材料的筛选检查工作和装卸的疏忽，都会对管材的质量产生影响，在进行管材筛选的过程中，主要针对施工路段对管材数量的需要，对管材型号的严ge mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">要求，以及管材有没有上述出现的质量问题，做好全方位的检查，是让施工进人正常运转的重要一环。

mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">最后，不同的PE mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font: minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">管材具有不同的用途：燃气管材的特性主要是连接比较可靠，采用电热熔的方式连接，接头的强度比管道本身的强度高；在低温下具有抗冲击性。