Kei roto i ngā kōpura wetewete ngā muka i hangaia ki te kirihou tauwehe teitei. Ka whakakīia ngā ngongo ki te matū ārai-wai. Kei waenganui o te matua te tokotoko kirihou whakakaha muka-kore, ka pania ki te polyethylene mēnā e tika ana, hei mema kaha. Ka herea ngā ngongo ki te mema kaha hei hanga i te matua taura. Ka whakaputahia he paparanga polyethylene hei uhi o roto. Whai muri i te paninga roa o te PSP ki runga i te uhi o roto, ka oti te taura me te uhi o waho PE.
Ko ngā hanganga katoa e ārai ana i te wai, e whakarato ana i te mahi pai o te ārai makuku me te aukati wai;
Ko ngā ngongo wetewete motuhake kua whakakiia ki te kirikiri ka whakarato i te tiaki muka whatu tino pai.
Ko te kirihou whakapakari modulus taitamariki teitei (FRP) hei mema kaha matua.
Ko te rīpene maitai kowakawaka roa e whakarato ana i te mahi pono o te ātete makuku me te ātete kuru e hiahiatia ana.
E tika ana te mema kaha pokapū FRP mō ngā wāhi e whakamārama pinepine ana.
Mā te tino whakahaere i ngā mahi toi me ngā rauemi mata ka taea te roa o te ora o te taputapu neke atu i te 30 tau.
Taupānga: te whakawhiti kōrero mō te wā roa me te hanga whatunga whakawhitiwhiti kōrero;
Tāutanga: paipa/hau;
Pāmahana whakahaere: -40~+70℃;
Pūtoro piko: pūmau 10*D/ Hihiri25*D.
| Te maha o ngā muka | Diameter ingoa (mm) | Taumaha ingoa (kg/km) | Te muka mōrahi mō ia ngongo | TAU (Ngā Ngongo +whakakī) | Kawenga kume e whakaaetia ana (N) (wā poto/wā roa ) | Ātete kuru e whakaaetia ana (N/10cm) (wā poto/wā roa ) |
| 2~42 | 14.1 | 193 | 6 | 7 | 2700/1000 | 3000/1000 |
| 44~72 | 15.1 | 212 | 12 | 6 | 2700/1000 | 3000/1000 |
| 74~96 | 16.3 | 246 | 12 | 8 | 2700/1000 | 3000/1000 |
| 98~120 | 17.8 | 288 | 12 | 10 | 3000/1000 | 3000/1000 |
| 122~144 | 19.4 | 336 | 12 | 12 | 3000/1000 | 3000/1000 |
| >144 | E wātea ana i runga i te tono a te kiritaki | |||||