标准编号:	GB/T 19685-2017
中文名称:	预应力钢筒混凝土管
英文名称:	Prestressed concrete cylinder pipe
中标分类:	Q14    混凝土制品
行业分类:	GB    国家标准
ICS分类:	91.100.30 91.100.30    混凝土和混凝土制品 91.100.30
发布机构:	中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会
发布日期:	2017-03-09
实施日期:	2018-2-1
标准状态:	valid
替代旧标准:	GB/T 19685-2005 预应力钢筒混凝土管
翻译语言:	英文
文件格式:	PDF
中文字符数:	25000 字
翻译价格(元):	1500.0
交付时间:	付款后 1 个工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 19685-2005 Prestressed Concrete Cylinder Pipe. The following changes have been made with respect to GB/T 19685-2005 (the previous edition): ——The limit on height of fill above top of pipe is canceled from the "Scope" (see Chapter 1 of Edition 2005); ——Partial normative references are revised (see Chapter 2; Chapter 2 of Edition 2005); ——The specifications of lined pipes (PCCPDL600, PCCPDL700, PCCPDL800 and PCCPDL900) with duo-gasket joint (see Table 1); ——The specifications of embedded pipes (PCCPE1000 and PCCPE1200) with single gasket joint or duo-gasket joint (see Tables 2 and 3); ——The socket depth, spigot length and joint clearance of embedded pipes (PCCPDE3600, PCCPDE3800 and PCCPDE4000) with duo-gasket joint are adjusted (see Table 3; Table 3 of Edition 2005); ——The net thickness of minimum protection layer is adjusted (see Tables 1, 2 and 3; Tables 1, 2 and 3 of Edition 2005); ——The requirements on mud content of sand used for pipe core concrete are adjusted (see 5.2; 5.2 of Edition 2005); ——The water absorption index of cement mortar protection layer is adjusted (see 6.2.10.3; 6.2.9.3 of Edition 2005); ——The requirements on pipe core thickness deviation are deleted, and the deviation requirements of socket depth and spigot length are adjusted (see Table 5; Table 5 of Edition 2005); ——The permissible relative rotation angle of partial pipe joints are adjusted (see Table 6; Table 6 of Edition 2005); ——Partial inspection items and index categories are adjusted (See Tables 8 and 9; Tables 8 and 9 of Edition 2005); ——Annexes A and B of Edition 2005 are deleted; ——The pressure for inspection on crack resistance (Pt value) of pipe (finished product) under common working condition is adjusted (see Annex A; Annex C of Edition 2005). This standard was proposed by China Building Materials Federation. This standard is under the jurisdiction of SAC/TC 197 National Technical Committee on Cement Products of Standardization Administration of China. The previous edition of this standard is as follows: ——GB/T 19685-2005. Prestressed Concrete Cylinder Pipe 1 Scope This standard specifies terms, definitions, main symbols, classification, raw and auxiliary materials, pipe manufacture technical requirements, pipe fittings, test methods, inspection rules, marking, transport and storage as well as application requirements and certificate of merchandise of prestressed concrete cylinder pipe. This standard is applicable to the manufacture of prestressed concrete cylinder pipe with nominal inner diameter of 400 mm~4,000 mm and pipeline operation working pressure or static head pressure not exceeding 2.0 MPa; and it may serve as a reference for the manufacture of pipe exceeding the range given in this standard. Pipes manufactured according to this standard may be used for municipal water supply and discharge main pipe, industrial water pipeline, farm irrigation, factory pipe network, power plant make-up water pipe and cooling water circulation system, inverted siphon, pressure tunnel pipeline, pipe ditch, pipe gallery and culvert pipe with large height of fill above its top. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 175 Common Portland Cement GB/T 699 Quality Carbon Structure Steels GB/T 700 Carbon Structural Steels GB 912 Hot-rolled Sheets and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels GB 1499.2 Steel for the Reinforcement of Concrete - Part 2: Hot Rolled Ribbed Bars GB/T 1499.3 Steel for the Reinforcement of Concrete - Part 3: Welded Fabric GB/T 1596-2005 Fly Ash Used for Cement and Concrete GB/T 2651 Tensile Test Method on Welded Joints GB/T 2653 Bend Test Methods on Welded Joints GB/T 3274 Hot-rolled Plates and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels GB/T 5223 Steel Wire for Prestressing of Concrete GB 8076 Concrete Admixtures GB/T 11253 Cold-rolled Sheets and Strips of Carbon Structural Steels GB 13788 Cold Rolled Ribbed Steel Wires and Bars GB/T 14684 Sand for Construction GB/T 14685 Pebble and Crushed Stone for Construction GB/T 15345 Test Methods of Concrete Pipes for Water Transmission GB 50046 Code for Anticorrosion Design of Industrial Constructions GB/T 50081-2002 Standard for Test Method of Mechanical Properties on Ordinary Concrete GB/T 50107 Standard for Inspection and Assessment of Strength of Concrete GB 50119 Code for Utility Technical of Concrete Admixture GB 50204 Code for Quality Acceptance of Concrete Structure Construction GB 50212 Code for Construction of Building Anticorrosive Engineering GB 50224 Code for Acceptance of Construction Quality of Antieorrosive Engineering of Buildings GB 50236 Code for Construction of Field Equipment, Industrial Pipe Welding Engineering GB 50268 Code for Construction and Acceptance of Water and Sewerage Pipeline Works GB 50332-2002 Structural Design Code for Pipelines of Water Supply and Waste Water Engineering DL/T 5017 Specifications for Manufacture Installation and Acceptance of Steel Penstocks in Hydroelectric and Hydraulic Engineering JGJ 55 Specification for Mix Proportion Design of Ordinary Concrete JGJ 63 Standard of Water for Concrete JC/T 748 Rubber Gasket Ring of Prestressed and Self-stressing Concrete Pipe JC/T 749 Rubber Gasket Ring of Prestressed and Self-stressing Concrete Pipe JC/T 1091 The Joint Ring Steel for Prestressed Concrete Cylinder Pipe CECS 140-2011 Specification for Structural Design of Buried Prestressed Concrete Pipeline of Water Supply and Sewerage Engineering CECS 141-2002 Specification for Structural Design of Buried Steel Pipeline of Water Supply and Sewerage Engineering 3 Terms, Definitions and Main Symbols For the purpose of this document, the following terms, definitions and main symbols apply. 3.1 Terms and Definitions 3.1.1 prestressed concrete cylinder pipe; PCCP pipe made by winding prestressed wire in circumferential direction on the concrete pipe core with steel cylinder and adding cement mortar protection layer, including lined prestressed concrete cylinder pipe (PCCPL) and embedded prestressed concrete cylinder pipe (PCCPE) 3.1.2 lined prestressed concrete cylinder pipe; PCCPL pipe made by adding cement mortar protection layer onto the prestressed wire wound circumferentially to the pipe core consisting of concrete lining and steel cylinder 3.1.3 embedded prestressed concrete cylinder pipe; PCCPE pipe made by adding cement mortar protection layer onto the pipe core concrete consisting of steel cylinder and concrete layers on both sides of it with prestressed wire wound in circumferential direction to the outer concrete layer 3.1.4 prestressed concrete cylinder pipe with single gasket prestressed concrete cylinder pipe with the pipe joint connected by single rubber gasket through flexible sealing, including lined prestressed concrete cylinder pipe with single gasket (hereinafter referred to as PCCPSL) and embedded prestressed concrete cylinder pipe with single gasket (hereinafter referred to as PCCPSE) 3.1.5 prestressed concrete cylinder pipe with duo-gaskets prestressed concrete cylinder pipe with the pipe joint connected by two rubber gaskets through flexible sealing, including lined prestressed concrete cylinder pipe with duo-gaskets (hereinafter referred to as PCCPDL) and embedded prestressed concrete cylinder pipe with duo-gaskets (hereinafter referred to as PCCPDE) 3.1.6 fittings pipe fittings made by adopting steel plate as the main structural material, with steel bar (steel wire) mesh reinforced cement mortar added or other anticorrosive material painted on inner or outer side of the steel plate 3.1.7 special pipe nonstandard pipe fittings manufactured by adopting the same technology as that for prestressed concrete cylinder pipe 3.1.8 helical seam welded a kind of cylinder-manufacturing method through welding, by which thin steel plate is wound helically into steel cylinder and automatically welded at the same time, with the weld seam on steel cylinder in helical circumferential seam 3.1.9 splice seam welded a kind of cylinder-manufacturing method through welding, by which thin steel plate is cut by fixed length based on the longitudinal length of steel cylinder, longitudinally welded after plate splicing and finally made into steel cylinder through rolling and welding, with the weld seam on steel cylinder in longitudinal straight seam 3.1.10 working pressure P maximum internal water pressure in certain section of pipeline/ certain pipe generated by hydraulic gradient or hydrostatic pressure specified by the Employer, excluding water hammer pressure 3.1.11 height of fill above top of pipe H distance between the top of embedded pipe and ground surface 3.2 Main symbols D0——the nominal inner diameter of pipe, mm; Dy——the outer diameter of steel cylinder, mm; tc——the pipe core thickness (including steel cylinder thickness ty), mm; ty——the steel cylinder thickness, mm; tg——the protection layer thickness, mm; L0——the effective length of pipe, mm; L——the pipe length, mm; Bb——the inner diameter of socket working face, mm; Bs——the outer diameter of spigot working face, mm; C——the socket depth, mm; E——the spigot length, mm; Pg——the pressure for the anti-seepage inspection of the steel cylinder, MPa; Pt——the internal pressure for crack resistance inspection, MPa; Pc——the load for crack-resistance external pressure inspection, kN/m; Ap——the area of circumferential prestressed steel wire in per meter pipe length, mm2; An——the converted area of pipe core concrete, steel cylinder, steel wire and mortar protection layer on the pipe wall section in per meter pipe length, mm2; σpc——the ultimate effective prestress for circumferential steel wire, N/mm2; ftk——the standard value of tensile strength for pipe core concrete, N/mm2; b——the calculated length of pipe along axial direction, which is 1,000, mm; ro——the calculated radius of pipe wall section, mm; α——the factor controlling mortar crack, which is 1.06 for PCCPE and 0.65 for PCCPL; ωc——the convert coefficient of elastic resisting moment of concrete at tensile edge in pipe wall inner section. 4 Classification 4.1 Product classification Prestressed concrete cylinder pipe (PCCP) is classified into lined prestressed concrete cylinder pipe (PCCPL) and embedded prestressed concrete cylinder pipe (PCCPE) by structure and into prestressed concrete cylinder pipe with single gasket (PCCPSL, PCCPSE) and prestressed concrete cylinder pipe with duo-gaskets (PCCPDL, PCCPDE) by pipe joint sealing type. 4.2 Specifications and dimensions Basic dimensions of prestressed concrete cylinder pipe shall be in accordance with those specified in Tables1, 2 and 3 respectively; structure form of prestressed concrete cylinder pipe shall be in accordance with those specified in Figures 1, 2 and 3 respectively; shape and dimension of steel loop of pipe socket and spigot joints shall be in accordance with those specified in Table 4 and Figure 3. Note: pipes of other specifications and dimensions may be produced, based on the agreement of both the supplier and the purchaser.

Foreword i 1 Scope 2 Normative References 3 Terms, Definitions and Main Symbols 4 Classification 5 Raw and Auxiliary Material 6 Technical Requirements for Pipe Manufacture 7 Pipe Fittings 8 Test Method 9 Inspection Rule 10 Marking, Transport and Storage 11 Application Requirements 12 Certificate of Merchandise Annex A (Normative) Crack Resistance Inspection Pressure (Pt) Figure 1 Schematic Diagram for Lined Prestressed Concrete Cylinder Pipe (PCCPL) Figure 2 Schematic Diagram for Embedded Prestressed Concrete Cylinder Pipe (PCCPE) Figure 3 Detail Drawing for the Section of Joint Steel Ring Table 1 Basic Dimensions of Lined Prestressed Concrete Cylinder Pipe (PCCPSL, PCCPDL) Table 2 Basic Dimension of Embedded Prestressed Concrete Cylinder Pipe (PCCPSE) Table 3 Basic Dimension of Embedded Prestressed Concrete Cylinder Pipe (PCCPDE) Table 4 Dimensions of Socket and Spigot Steel Ring Table 5 Permissible Deviation for Finished Pipes Table 6 Permissible Relative Rotation Angle of Joints Table 7 Minimum Thickness of the Steel Plates Used for Fittings Table 8 Sampling Quantity of End-of-manufacturing Inspection Table 9 Sampling Quantity of Type Inspection Table 10 Permissible Stacking Layer Numbers of Finished Pipe

预应力钢筒混凝土管 1 范围 本标准规定了预应力钢筒混凝土管的术语、定义、主要符号、分类、原辅材料、制管技术要求、管件、试验方法、检验规则、标志、运输和保管、使用规定和出厂证明书等内容。 本标准适用于制造公称内径为400 mm～4 000 mm、管线运行工作压力或静水头不超过2.0 MPa的预应力钢筒混凝土管。制造超出本标准给定范围的管子时可参照本标准执行。 依据本标准制造的管子可用于城市给水排水干管、工业输水管线、农田灌溉、工厂管网、电厂补给水管及冷却水循环系统、倒虹吸管、压力隧道管线、管沟、管廊及深覆土涵管等。 2规范性引用文件 下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。 GB 175通用硅酸盐水泥 GB/T 699优质碳素结构钢 GB/T 700碳素结构钢 GB 912碳素结构钢和低合金结构钢热轧薄钢板和钢带 GB 1499.2钢筋混凝土用钢 第2部分：热轧带肋钢筋 GB/T 1499.3钢筋混凝土用钢 第3部分：钢筋焊接网 GB/T 1596—2005用于水泥和混凝土中的粉煤灰 GB/T 2651 焊接接头拉伸试验方法 GB/T 2653 焊接接头弯曲试验方法 GB/T 3274碳素结构钢和低合金结构钢热轧厚钢板和钢带 GB/T 5223预应力混凝土用钢丝 GB 8076 混凝土外加剂 GB/T 11253碳素结构钢冷轧薄钢板及钢带 GB 13788 冷轧带肋钢筋 GB/T 14684建设用砂 GB/T 14685建设用卵石、碎石 GB/T 15345 混凝土输水管试验方法 GB 50046 工业建筑防腐蚀设计规范 GB/T 50081—2002普通混凝土力学性能试验方法标准 GB/T 50107混凝土强度检验评定标准 GB 50119混凝土外加剂应用技术规范 GB 50204混凝土结构工程施工质量验收规范 GB 50212建筑防腐蚀工程施工规范 GB 50224建筑防腐蚀工程施工质量验收规范 GB 50236 现场设备、工业管道焊接工程施工规范 GB 50268给水排水管道工程施工及验收规范 GB 50332—2002 给水排水工程管道结构设计规范 DL/T 5017水利水电工程压力钢管制造安装及验收规范 JGJ 55普通混凝土配合比设计规程 JGJ 63混凝土用水标准 JC/T 748预应力与自应力混凝土管用橡胶密封圈 JC/T 749预应力与自应力混凝土管用橡胶密封圈试验方法 JC/T 1091 预应力钢筒混凝土管接头用型钢 CECS 140—2011 给水排水工程埋地预应力混凝土管和预应力钢筒混凝土管管道结构设计规程 CECS 141—2002 给水排水工程埋地钢管管道结构设计规程 3术语、定义和主要符号 下列术语、定义和主要符号适用于本文件。 3.1术语和定义 3.1.1 预应力钢筒混凝土管prestressed concrete cylinder pipe；PCCP 在带有钢筒的混凝土管芯外侧缠绕环向预应力钢丝并制作水泥砂浆保护层而制成的管子，包括内衬式预应力钢筒混凝土管(PCCPL)和埋置式预应力钢筒混凝土管(PCCPE)。 3.1.2 内衬式预应力钢筒混凝土管lined prestressed concrete cylinder pipe；PCCPL 由钢筒和混凝土内衬组成管芯并在钢筒外侧缠绕环向预应力钢丝，然后制作水泥砂浆保护层而制成的管子。 3.1.3 埋置式预应力钢筒混凝土管embedded prestressed concrete cylinder pipe；PCCPE 由钢筒和钢筒内、外两侧混凝土层组成管芯并在管芯混凝土外侧缠绕环向预应力钢丝，然后制作水泥砂浆保护层而制成的管子。 3.1.4 单胶圈预应力钢筒混凝土管prestressed concrete cylinder pipe with single gasket 管子接头采用了单根橡胶密封圈进行柔性密封连接的预应力钢筒混凝土管，包括单胶圈内衬式预应力钢筒混凝土管(简称PCCPSL)和单胶圈埋置式预应力钢筒混凝土管(简称PCCPSE)。 3.1.5 双胶圈预应力钢筒混凝土管prestressed concrete cylinder pipe with duo-gaskets 管子接头采用了两根橡胶密封固进行柔性密封连接的预应力钢筒混凝土管，包括双胶圈内衬式预应力钢筒混凝土管(简称PCCPDL)和双胶圈埋置式预应力钢筒混凝土管(简称PCCPDE)。 3.1.6 配件 fittings 以钢板作为主要结构材料并在钢板的内侧或外侧制作钢筋(丝)网水泥砂浆或涂覆其他防腐材料制成的管件。 3.1.7 异形管special pipe 采用与预应力钢筒混凝土管相同工艺制造的非标准管件。 3.1.8 螺旋焊helical seam welded 以螺旋方式将薄钢板缠绕制作成钢筒并同时实施自动焊接的一种焊接制筒方法，钢筒体上的焊缝呈螺旋状环缝。 3.1.9 拼板焊 splice seam welded 以钢筒的纵向长度尺寸为依据将薄钢板进行定长切断、拼板纵焊、最后卷制成钢筒并实施焊接的一种焊接制筒方法，钢筒体上的焊缝呈纵向直缝。 3.1.10 工作压力 working pressure P 不包括水锤压力在内，由水力梯度产生于某段管线或某个管子内的最大内水压力或是由业主指定的静水压力。 3.1.11 覆土深度height of fill above top of pipe H 埋地管线管体顶部至地表面之间的距离。 3.2主要符号 D0——管子公称内径，单位为毫米(mm)； Dy——钢筒外径，单位为毫米(mm)； tc——管芯厚度(包括钢筒厚度ty)，单位为毫米(mm)； ty——钢筒厚度，单位为毫米(mm)； tg——保护层厚度，单位为毫米(mm)； L0——管子有效长度，单位为毫米(mm)； L——管子长度，单位为毫米(mm)； Bb——承口工作面内径，单位为毫米(mm)； Bs——插口工作面外径，单位为毫米(mm)； C——承口深度，单位为毫米(mm)； E——插口长度，单位为毫米(mm)； Pg——钢筒抗渗检验压力，单位为兆帕(MPa)； Pt——抗裂检验内压，单位为兆帕(MPa)； Pc——抗裂外压检验荷载，单位为千牛每米(kN/m)； Ap——每米管子长度环向预应力钢丝而积，单位为平方毫米(mm2)； An——每米管子长度管壁截面管芯混凝土、钢筒、钢丝及砂浆保护层折算面积.单位为平方毫米(mm2)； σpc——环向钢丝最终有效预加应力，单位为牛每平方毫米(N/mm2)； ftk——管芯混凝土抗拉强度标准值，单位为牛每平方毫米(N/mm2)； b——管子轴向计算长度，数值为1 000，单位为毫米(mm)； ro——管壁截面计算半径，单位为毫米(mm)； α——控制砂浆开裂系数，对PCCPE为1.06；对PCCPL为0.65； ωc——管壁内侧截面受拉边缘混凝土弹性抵抗矩折算系数。 4 分类 4.1 产品分类 预应力钢筒混凝土管(PCCP)按其结构分为内衬式预应力钢筒混凝土管(PCCPL)和埋置式预应力钢筒混凝土管(PCCPE)；按管子的接头密封类型又分为单胶圈预应力钢筒混凝土管(PCCPSL、PCCPSE)和双胶圈预应力钢筒混凝土管(PCCPDL、PCCPDE)。 4.2规格和尺寸 预应力钢筒混凝土管的基本尺寸应分别符合表1、表2和表3的规定；预应力钢筒混凝土管结构形式应分别符合图1和图2的规定；管子承插口接头钢环的形状及尺寸应符合表4和图3的规定。 注：经供需双方协商，可生产其他规格及尺寸的管子。 表1 内衬式预应力钢筒混凝土管(PCCPSL、PCCPDL)基本尺寸 管子 品种 公称内径Do mm 最小管芯厚度 tc mm 最小保护层净厚度 mm 钢筒 厚度 ty mm 承口 深度 C mm 插口 长度 E mm 承口工作面内径 Bb mm 插口工作面外径 Bs mm 接头内间隙 J mm 接头外间隙 K mm 胶圈直径 d mm 有效长度 L0 mm 管子 长度 L mm 参考 重量 t/m PCCPSL 400 40 25 1.5 93 93 493 493 15 15 20 5 000 6 000 5 078 6 078 0.23 500 40 593 593 0.28 600 40 693 693 0.31 700 45 803 803 0.41 800 50 913 913 0.50 900 55 1 023 1 023 0.60 1 000 60 1 133 1 133 0.70 1 200 70 1 353 1 353 0.94 1 400 90 1 593 1 593 1.35 PCCPDL 600 40 25 1.5 160 160 693 693 25 25 20 5 000 6 000 5 135 6 135 0.31 700 45 803 803 0.41 800 50 913 913 0.50 900 55 1 023 1 023 0.60 1 000 60 1 133 1 133 0.70 1 200 70 1 353 1 353 0.94 1 400 90 1 593 1 593 1.35 a)PCCPL管子外形图 预应力钢丝 钢筒 承口钢环 保护层 插口制环 橡胶圈 混凝土内衬 b)PCCPSL管子接头图 预应力钢丝 钢筒 承口钢环 保护层 插口制环 橡胶圈 接头试验进水孔 混凝土内衬 c)PCCPDL管子接头图 注：钢筒也可焊接在承插口钢环的外侧，钢筒外径Dy由设计确定。 图1 内衬式预应力钢筒混凝土管(PCCPL)示意图 表2埋置式预应力钢筒混凝土管(PCCPSE)基本尺寸 公称 内径 D0 mm 最小管芯厚度 tc mm 最小 保护 层净 厚度 mm 钢筒 厚度 ty mm 承口 深度 C mm 插口 长度 E mm 最小 承口 工作 面内 径 Bb mm 最小插口工 作面 外径 Bs mm 接头内间隙 J mm 接头外间隙 K mm 胶圈 直径 d mm 有效 长度 L0 mm 管子 长度 L mm 参考 重量 t/m 1 000 90 25 1.5 108 108 1 093 1 093 25 25 20 5 000 6 000 5 083 6 083 1.02 1 200 90 1 292 1 292 1.30 1 400 100 1 503 1 503 1.53 1 600 100 1 703 1 703 1.74 1 800 115 1 903 1 903 2.19 2 000 125 2 103 2 103 2.58 2 200 140 2 313 2 313 3.12 2 400 150 2 513 2 513 3.61 2 600 165 2 713 2 713 4.25 2 800 175 25 1.5 150 150 2 923 2 923 25 25 20 5 000 6 000 5 125 6 125 4.81 3 000 190 3 143 3 143 5.54 3 200 200 3 343 3 343 6.21 3 400 220 3 553 3 553 7.19 3 600 230 3 763 3 763 7.91 3 800 245 3 973 3 973 8.80 4 000 260 4 183 4 183 9.78 表3 埋置式预应力钢筒混凝土管(PCCPDE)基本尺寸 公称 内径 D0 mm 最小管芯厚度 tc mm 最小保护层净厚度 mm 钢筒厚度 ty mm 承口深度 C mm 插口 长度 E mm 最小承口工 作面 内径 Bb mm 最小插口工 作面 外径 Bs mm 接头内间隙 J mm 接头外间隙 K mm 胶圈 直径 d mm 有效 长度 L0 mm 管子 长度 L mm 参考 重量 t/m 1 000 90 25 1.5 160 160 1 093 1 093 25 25 20 5 000 6 000 5 135 6 135 1.02 1 200 90 1 292 1 292 1.30 1 400 100 1 503 1 503 1.53 1 600 100 1 703 1 703 1.74 1 800 115 1 903 1 903 2.19 2 000 125 2 103 2 103 2.58 2 200 140 2 313 2 313 3.12 2 400 150 2 513 2 513 3.61 2 600 165 2 713 2 713 4.25 2 800 175 2 923 2 923 4.81 3 000 190 3 143 3 143 5.54 3 200 200 3 343 3 343 6.21 3 400 220 3 553 3 553 7.19 3 600 230 25 1.5 180 180 3 763 3 763 30 30 22 5 000 6 000 5 150 6 150 7.91 3 800 245 3 973 3 973 8.80 4 000 260 4 183 4 183 9.78 单位为毫米 a)PCCPE管子外形图 外层混凝土 预埋锚具 预应力钢丝 保护层 插口制环 橡胶圈 承口钢环 钢筒 内层混凝土 b)PCCPSE管子接头图 外层混凝土 预埋锚具 预应力钢丝 保护层 插口制环 橡胶圈 承口钢环 钢筒 接头试验进水孔 内层混凝土 c)PCCPDE管子接头图 注：钢筒也可以焊接在承插口钢环的内侧，钢筒外径Dy由设计确定。 图2埋置式预应力钢筒混凝土管(PCCPE)示意图 插口钢环 承口钢环 a)单胶圈接头钢环截面详图 插口钢环 承口钢环 b)双胶圈接头钢环截面详图 图3接头钢环截面详图 表4承插口钢环基本尺寸 单位为毫米 钢环种类 公称内径 插 口 钢 环 承 口 钢 环 ts Ws a b c h tb Wb d e f 单 胶 圈 400～1 200 16.0 140 22.0 10.0 11.1 — 6.0～8.0 130 7.0 26.0 76 1 400～2 600 16.0 140 22.0 10.0 11.1 — 8.0 165 7.0 26.0 110 2 800～4 000 16.2 184 21.8 10.0 11.4 — 8.0～10.0 203 10.0 26.0 114 双 胶 圈 600～2 600 19.0 205 21.0 10.0 11.0 16.0 8.0 216 10.0 26.0 127 2 800～3 400 19.0 205 21.0 10.0 11.0 16.0 8.0～10.0 216 10.0 26.0 127 3 600～4 000 21.0 240 25.0 10.0 13.0 16.0 10.0 236 10.0 26.0 147 4.3产品标记 产品标记应由管子代号、公称内径、有效长度、工作压力(P)、覆土深度(H)和标准号组成。 示例1：公称内径1 000 mm、管子有效长度为5 000 mm、工作压力为0.8 MPa、覆土深度为4 m的单胶圈内衬式预应力钢筒混凝土管，标记如下： PCCPSL1 000×5 000/P0.8/H4 GB/T 19685—2017 示例2：公称内径4 000 mm、管子有效长度为6 000 mm、工作压力为1.6 MPa、覆土深度为6 m的双胶圈埋置式预应力钢筒混凝土管，标记如下： PCCPDE4 000×6 000/P1.6/H6 GB/T 19685—2017 5原辅材料 5.1 水泥 制管用水泥应采用硅酸盐水泥、普通硅酸盐水泥、矿渣硅酸盐水泥，水泥性能应分别符合GB 175的规定。采用活性掺合材料作为水泥的替代物时，水泥强度等级不应低于42.5。 5.2 细集料 管芯混凝土宜采用天然中粗砂或人工砂，砂子的质量要求应符合GB/T 14684的规定，其含泥量不宜大于2％。保护层水泥砂浆宜采用天然细砂，砂子的质量要求应符合GB/T 14684的规定，其含泥量不宜大于1％。 5.3粗集料 管芯混凝土用粗集料应为人工碎石或卵石，石子的最大粒径不应大于31.5 mm，且不得大于混凝土层厚度的2/5。石子的质量要求应符合GB/T 14685的规定。 5.4 水 管芯混凝土、水泥砂浆、水泥净浆拌合用水及成品管子的养护用水应符合JGJ 63的规定。 5.5混凝土外加剂 使用外加剂时，所用外加剂不应对管子或水质产生有害影响，其质量要求应符合GB 8076的规定。 5.6活性掺合料 需要时管芯混凝土配料时允许掺加成品粉煤灰、磨细矿渣或硅灰。成品粉煤灰的质量要求应不低于GB/T 1596—2005表1中Ⅱ级灰的规定；磨细矿渣或硅灰的质量要求应分别符合相应标准的规定。 5.7 钢丝 制管用预应力钢丝应采用冷拉钢丝，钢丝力学性能应符合GB/T 5223的规定。 5.8薄钢板 制造钢筒用薄钢板应分别符合GB/T 700、GB 912和GB/T 11253的规定，薄钢板的最小屈服强度不应低于215 MPa。 5.9承口钢板和插口型钢 制造承插口接头钢环所用的承口钢板和插口型钢的质量要求应分别符合GB/T 699、GB/T 700和GB/T 3274的规定，钢板最小屈服强度不应低于235 MPa。采购成品接头用型钢时应遵循JC/T 1091的规定。 5.10配件用钢板 制造配件用钢板应分别符合GB/T 699、GB/T 700和GB/T 3274的规定。钢板的屈服强度应不低于由设计工作压力引起的管壁应力的两倍且钢板的最小屈服强度不应低于215 MPa。 5.11 钢筋焊接网 水泥砂浆保护层及配件加强用钢筋焊接网应采用机械制造，所用钢筋或钢丝直径不得小于3.0 mm，其最小屈服强度不应低于235 MPa。钢筋焊接网的技术要求应符合GB/T 1499.3的规定。 5.12 加强钢筋 加强用钢筋应分别符合GB 1499.2和GB 13788的规定，钢筋的最小屈服强度不应低于335 MPa。 5.13胶圈 5.13.1 胶圈性能 管子接头用橡胶密封圈应采用圆形截面的实心胶圈，胶圈的尺寸和体积应与承插口钢环的胶槽尺寸和配合间隙相匹配。橡胶密封圈的基本性能和质量要求应分别符合JC/T 748的规定，橡胶密封圈的性能试验应遵循JC/T 749的规定。 5.13.2胶圈的拼接 管子接头用橡胶密封圈允许拼接。每根橡胶密封圈最多允许拼接两处，两处拼接点之间的距离不应小于600 mm。 5.13.3拼接点的检验 逐个检验橡胶密封圈的每个拼接点，检验时将橡胶密封圈拉长至原长的两倍以上并扭转360°，然后采用肉眼检查，如胶圈的拼接点出现脱开或裂纹应予以废弃。 5.13.4胶圈存放 橡胶密封圈应存放在干燥、阴凉的地方，避免受阳光照射。