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要分什么材质的井盖,不同材质的井盖厚度是不*样的。像我们常见的井盖基本有:

再生树脂复合材料检查井盖:按照GJ/T 121 -2000规定 重型,井盖厚度不小于70mm
*nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp;普型 *nbsp; *nbsp;厚度不小于50mm
*nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; *nbsp;轻型 *nbsp;厚度不小于 20mm
球墨铸铁检查井盖: 按照GB/T 23858-2009规定 *nbsp; *nbsp; *nbsp; *nbsp; *nbsp; A15应不小于20mm 用于绿化带 *nbsp; B125应不小于30mm *nbsp;用于人行道,非机动车道
C250应不小于30mm *nbsp;用于住宅小区
D400应不小于50mm *nbsp;用于城市公路
E600应不小于50mm *nbsp; 用于货运站 码头
F900应不小于50mm *nbsp;用于飞机跑道