Calculation of Vertical Displacement of Water-supply and Drainage Pipeline with Bell and Spigot Joints

承 插口给水排水管道的竖向位移（沉降）计算

Different corrosion prevention measures for the bell and spigot joints of the pipe and the prestressed steel bares are adopted to ensure the safety performance in marine environment .

通过对管道 承 插口和预应力钢筋采取不同的防腐措施确保管道在海水环境中达到安全使用的目的。

Safety Valve Design Theory for Bell and Spigot Joint for FW RPM Pipe

承 插口玻璃钢夹砂管道安全阀设计理论

Internal pressure testing method of Bell and spigot joint FW RPM pipes

承 插口 式FW夹 砂（RPM）管内压试验方法问题