Papa whakaheke wai
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Wairi Matapo Kirihou mo te Paheketanga o nga Tunnels
Ko te waikeri matapo he mea titoa he tinana kirihou he mea takai ki te kakahu tātari. Ko te matua o te kirihou he mea hanga mai i te kapia synthetic thermoplastic hei rauemi mata matua
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Anti-Corrosion High Density Composite Drainage Board
Ko te Geocomposite kei roto i nga paparanga-toru, e rua, e toru ranei nga hua o te waihanga wai wai, kei roto i te matua geonet, me te geotextile kore-whatu-wera i nga taha e rua. Kei te hangaia te geonet mai i te kapia polyethylene kiato teitei, i roto i te hanganga bixial, trixial ranei. ka taea te muka polyester, te muka roa ranei, te geotextile, te muka polypropylen, te muka karekau ranei. geotextile.
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Te Poari Whakawai Kirihou
He mea hanga te papa wairere kirihou ki te polystyrene (HIPS) te polyethylene (HDPE) hei rauemi mata. I roto i te tukanga whakaputa, ka tohua te pepa kirihou ki te hanga i tetahi papaa tuwhera. Ma tenei ara ka mahia he papa whakaheke wai.
Kei te kiia hoki he pereti wairere concave-convex, pereti whakamarumaru wai, pereti whakamarumaru o te tuanui o te karati, pereti wairere, me etahi atu. Kia rite ki te whakarite kia tukuna te taikaha o te wai i runga i te tuanui o te karati i muri i te whakakii. Ka taea hoki te whakamahi mo te whakaheke wai.