PDF《备案号：》

4 Contents

1 General Provisions.1

2 Terms and symbols.2 2.1 Terms.2 2.2 Symbols.2

3 material

5 3.1 General Requirements.5 3.2 Pipes and fittings.5 3.3 Inspection well

6 3.4 Accessory material.9

4 Design

10 4.1 General Requirements.10 4.2 Piping layout

10 4.3 Hydraulic computation.11 4.4 Load calculation.12 4.5 Calculation of the strength and buckling failure of pipe ring section

14 4.6 Normal use limit state calculation.16 4.7 Inspection well design.17 4.8 Pipe connection.18 4.9 backfill

19 4.10 Foundation treatment

20 5 Construction.21 5.1 General Requirements.21 5.2 Material transportation and storage.21 5.3 Construction excavation and foundation treatment.21 5.4 Pipe installation.22 5.5 Inspection well installation

22 5.6 Closed water test

23 5.7 Backfill.24

5 6 Quality inspection and acceptance.26 6.1 General Requirements.26 6.2 Quality inspection and acceptance.26 6.3 Pipeline deformation detection.31 6.4 Final acceptance.32

7 Maintenance and repair.34 Appendix A Comprehensive deformation modulus of lateral earth.35 Appendix B Closed water test.37 Appendix C Quality inspection and acceptance record.38 Explanation of Wording in This Specification.45 List of Quoted Standards.46 Explanation of Provisions

47 1

1 总则1.0.1 为规范聚乙烯缠绕结构壁管材在排水管道工程中的应用,做到技术先进、经济合理、 安全可靠、维护方便,保证质量,制定本规程. 1.0.2 本规程适用于浙江省聚乙烯缠绕结构壁管材排水管道工程的设计、 施工、 验收和维护. 1.0.3 聚乙烯缠绕结构壁管材在排水管道工程中的应用, 除应执行本规程外, 尚应符合国家、 行业和地方现行有关标准的规定.

2 2 术语和符号 2.1 术语 2.1.1 排水管道工程 Drainage pipeline project 收集和排放污水和雨水的管渠及其附属设施所组成的系统. 2.1.2 聚乙烯缠绕结构壁管材 Polyethylene spirally enwound structure-wall pipes 以聚乙烯树脂为主要原料, 制成中空型材或挤出聚乙烯带包覆软管, 采用缠绕成型工艺 制成的管道,聚乙烯缠绕结构壁管分为 A 型和 B 型.A 型内外壁平整,管壁中具有螺旋中空 结构;

B 型内壁平整,外壁为有软管作为辅助支撑的中空螺旋形肋. 2.1.3 聚乙烯缠绕增强整体式检查井polyethylene spirally enwound structure-wall inspection chambers 采用与聚乙烯缠绕结构壁管材相同的材料, 采用缠绕成型工艺成型井室和井筒, 再经开 口、切割等二次加工等程序,最后通过塑料焊接手段实现整体预制成型的一种检查井. (以 下简称检查井) 2.1.4 环刚度(环向弯曲刚度) ring stiffness 管材抵抗环向变形的能力,可采用测试方法或计算方法定值. 2.1.5 环柔度 ring flexibility 管材在不失去结构完整性基础上,承受径向变形的能........