Overview
GB Standard Round Cement Pipe is a prefabricated concrete product manufactured under China's GB/T 11836-2009 standard for reinforced and non-reinforced concrete pipes. These pipes are primarily used in municipal and civil engineering projects requiring durable fluid conveyance or underground protection. With diameters typically ranging from 200mm to 2400mm, they offer superior longevity compared to plastic alternatives, especially in high-load environments like road crossings. The standardized production ensures consistent quality, dimensional accuracy, and interoperability within drainage networks.
Structure and Working Principle
The pipe's structure consists of a homogeneous cement-aggregate mixture, often with steel reinforcement rings for larger diameters (Class II pipes under GB standard). The circular cross-section efficiently distributes external loads while maintaining optimal hydraulic performance for fluid flow. Manufactured through centrifugal spinning or vibration molding processes, the pipes achieve high density and smooth inner surfaces to minimize friction losses. Joint systems (typically socket-and-spigot or tongue-and-groove) ensure leak-proof connections when properly installed with rubber gaskets or mortar seals.
Key Features
1. Standard Compliance: Meets GB/T 11836-2009 requirements for dimensions, compressive strength (typically 30-50MPa), and permeability. 2. Durability: Resistant to chemical corrosion from soil and wastewater, with a service life exceeding 50 years in normal conditions. The material properties remain stable across temperature variations (-30°C to 60°C). 3. Load Capacity: Reinforced versions can withstand vertical loads up to 120kN/m, making them suitable for deep burial or high-traffic areas. The standardized wall thickness (varies by diameter class) ensures structural integrity.
Application Areas
Municipal Engineering: Urban stormwater drainage systems, sewage collection networks, and culverts beneath roads or railways. Agricultural Infrastructure: Irrigation channels and subsurface drainage for farmland. The pipes' resistance to soil chemicals makes them ideal for this application. Industrial Uses: Factory compound drainage, wastewater discharge lines, and protective conduits for underground cables in industrial parks. Their fire-resistant properties add safety benefits in such environments.
Maintenance and Precautions
Pre-Installation: Store pipes on flat surfaces with wooden spacers to prevent cracking. Conduct pre-installation inspections for defects like honeycombing or exposed reinforcement. During Use: Regular CCTV inspections are recommended for buried pipes to detect sediment buildup or joint leaks. For maintenance access, install inspection chambers at intervals per GB 50268-2008 standards. Chemical Exposure: While resistant to most soil conditions, prolonged exposure to pH <4 or >9 may require protective coatings. Consult manufacturers for aggressive environments.
B2B Procurement Guide
Specification Checklist: Clearly define required diameter (DN), length (usually 2-2.5m), class (I for non-reinforced, II for reinforced), and joint type. Request factory test reports for crushing strength and water absorption. Supplier Evaluation: Prioritize manufacturers with GB/T 19001 quality certification. Audit production facilities for proper curing processes (steam curing enhances early strength). Logistics: Calculate transport costs carefully—larger diameters (≥1000mm) require specialized trailers. For projects in corrosive soils, inquire about sulfate-resistant cement options with low C3A content.
Related Manufacturers
- 主营：混凝土管、地下排水管、混凝土涵管、水泥管、水泥插口管、圆形雨水井、水泥检查井、下水道企口顶管、平底电缆槽、大口径排水管、污水混泥土管、混凝土排水管、混凝土预制管、钢筋混泥土管、下水道排污管、混凝土压力管、下水道排水管、混凝土排污管、混凝土排水沟、下水道平口管、道路排水管道、工程钢筋排污管、工程污水成品井、道路工程排水管、工程预制电缆井
- 主营：[]
- 主营：[]
- 主营：排水管、检查井、电缆井、大口径水泥管、水泥管、水泥盖板、水泥化粪池、圆形检查井、水泥检查井、水泥沟盖板、水泥排水管、水泥砼管、排水排污管、钢筋混凝土管、一体式阀门井、检测井、水沟盖板、电缆盖板、化粪池、玻璃钢化粪池、方形检查井、电力盖板、钢筋混凝土检查井、雨水井、混凝土排水井
- 主营：[]
- 主营：钢筋混凝土管、柔性接口钢承口管、柔性接口企口管、水泥管、水泥排水管、混凝土顶管、钢筋混凝土顶管、柔性接口承插口管、刚性接口平企口管、混凝土排水管、钢筋混凝土排水管、钢筋混凝土检查井、预制检查井
- 主营：钢筋混凝土管、柔性接口钢承口管、柔性接口企口管、水泥管、水泥排水管、混凝土顶管、钢筋混凝土顶管、柔性接口承插口管、刚性接口平企口管、混凝土排水管、钢筋混凝土排水管、钢筋混凝土检查井、预制检查井
- 主营：联塑pe给水管、联塑pe钢丝网骨架聚乙烯塑料复合管、upvc给水管
- 主营：生态框、检查井、方桩、水泥管、顶管、电缆沟、箱涵、电力盖板
- 主营：排水管、排污管、混凝土管、水泥管桩、三级砼管、市政下水道
- 主营：液压泵、破桩机、千斤顶、顶管中继间、液压电动泵、扒拉机油缸、换热器液压扳手
- 主营：混凝土搅拌车、护栏打桩机、工字钢冷弯机、顶管机、自动上料搅拌车、螺旋筋成形机、钢筋焊网机、等离子切割机、挖机贝型斗、抓木机、混凝土输送泵、螺旋钻机、破碎锤、劈裂机、绳锯机、随车挖、激光整平机、混凝土摊铺机、电动玻璃吸盘、生物质燃烧机、自动排焊机、焊网机、激光切割机、制氮机、扫地车
- 主营：砌块砖、陶瓷砖、沟盖板、圆形井盖、水泥模块、水泥盖板、圆形井室、水泥井盖、水泥排水槽、水泥护坡砖、水泥检查井、水泥钢纤维、饰面砖、路沿石、电缆盖板、污水井盖、模块检查井、检查井砌块、弧形检查井、污水检查井、混凝土井壁、检查井盖板、混凝土井室、矩形检查井、混凝土模块
- 主营：水泥预制检查井、排水沟沟盖板、混凝土排水沟、混凝土排污水管
- 主营：生态框、防浪块、检查井、水泥箱涵、水泥沟盖板、水利建筑水泥、市政工程水泥盖、水泥预制品构件、混凝土水泥方桩、水泥管、围挡底座、水利护坡砖、电力电缆盖板、混凝土排水管、仿石pc砖地铺石、污水处理隔油池、混凝土预制涵洞、仿花岗岩地铺砖、园林走道草坪砖、市政施工围挡石
- 主营：连续缠绕玻璃钢管道、定长缠绕玻璃钢管道、PCCP管道、钢筋混凝土管道、玻璃钢储罐、一体化泵站、SMC玻璃钢水箱、玻璃钢格栅
- 主营：pe给水管、hdpe双壁波纹管、pe钢丝网骨架聚乙烯塑料复合管、厂家直发水泥管、球墨铸铁井盖
- 主营：柴油泵车、制氮机、液压剪、液压顶管机、玻璃吸盘、焊网机、生物质燃烧机、扫地车、划线机、渣浆泵、打桩机、智能张拉设备、劈裂机、板换夹紧器、铣挖机、护栏清洗机、抓钢机、螺旋钻机、劈裂棒、电动绳锯机、液压破拆工具组、等离子切割机、相贯线切割机、激光切割机
- 主营：混凝土管、检查井、化粪池、水泥排水管、水泥管、水泥化粪池、圆形检查井、钢筋混凝土水泥管、水槽、排水槽、混凝土检查井、市政排水排污管、玻璃钢化粪池、方形检查井、U型水槽、混凝土化粪池、混凝土排水管、电缆井
- 主营：吸盘车、制浆机、制浆搅拌桶、水泥搅拌桶、双缸液压剪、矿灯充电柜、大开口大力剪、玻璃安装机械手
- 主营：一体化泵站、玻璃钢盖板、玻璃钢脱硫塔、玻璃钢顶管施工、玻璃钢冷却塔、玻璃钢管道、玻璃钢管件、玻璃钢型材、玻璃钢化粪池、玻璃钢储罐
- 主营：三级顶管、混凝土排水管