He pai te pānga o te ranunga ki te whakapai ake i te mahi a te moata hanga maroke-ranu. Ko te paura rapa ka taea te whakamarara anō he mea hanga mai i te emulsion polymer motuhake i muri i te whakamaroke rehu. Ko te paura rapa maroke he matūriki porowhita 80 ~ 100mm te rahi kua huihuia. Ka wairewa ēnei matūriki ki te wai, ā, ka hanga he marara pumau he nui ake i ngā matūriki emulsion taketake, ka hanga he kiriata i muri i te maroke me te whakamaroke.
Mā ngā momo whakarerekētanga rerekē ka rerekē ngā āhuatanga o te paura rapa ka taea te whakamarara anō, pērā i te ātete ki te wai, te ātete ki te kawakore, te ātete ki te huarere me te ngāwari. Ka taea e te paura rapa e whakamahia ana i roto i te moata te whakapai ake i te ātete ki te pānga, te roa, te ātete ki te kakahu, te ngāwari o te hanga, te kaha piri me te piripono, te ātete ki te huarere, te ātete ki te huka-rewa, te ātete ki te wai, te kaha piko me te kaha piko o te moata. Ina pa te rauemi sima i tāpirihia ki te paura rapa ki te wai, ka tīmata te tauhohenga whakamakuku, ā, ka tere te tae o te otinga konupūmā hauwai ki te mātotoru, ka puta he tioata, ā, i taua wā anō, ka hangaia he tioata ettringite me ngā kirikiri hauwai konupūmā silicate. Ka whakatakotoria ngā matūriki totoka ki runga i te kirikiri me ngā matūriki sima kāore i whakamakukuhia. I te haere tonu o te tauhohenga whakamakuku, ka piki ake ngā hua whakamakuku, ā, ka huihui haere ngā matūriki polymer ki roto i ngā pūwero capillary, ka hanga he paparanga kapi ki runga i te mata o te kirikiri me ngā matūriki sima kāore i whakamakukuhia. Ka whakakī haere ngā matūriki polymer kua whakakotahi i ngā pūwero.
Ka taea e te paura rapa ka taea te whakamarara anō te whakapai ake i ngā āhuatanga o te moata pērā i te kaha piko me te kaha piri, nā te mea ka taea e ia te hanga i tētahi kiriata pūmua ki runga i te mata o ngā matūriki moata. He pūaha kei runga i te mata o te kiriata, ā, kua whakakiia te mata o ngā pūaha ki te moata, ka whakaiti i te kukū o te ahotea. Ā, i raro i te mahi a te kaha o waho, ka puta he whakangā me te kore e whati. Hei tāpiri, ka hangaia e te moata he angaanga pakari i muri i te whakamakuku o te sima, ā, ko te pūmua i roto i te angaanga he mahi rite ki tētahi hononga nekeneke, he rite ki te kiko o te tinana tangata. Ka taea te whakarite i te kiriuhi i hangaia e te pūmua ki ngā hononga me ngā hononga, kia pai ai te ngāwari me te ngāwari o te angaanga pakari.
I roto i te pūnaha moata sima kua whakarerekētia e te pūmua, ka whatuhia te kiriata pūmua tonu me te katoa ki te whakapiri sima me ngā matūriki onepu, ka hanga te moata katoa kia angiangi ake, kia matotoru ake, ā, i te wā kotahi ka hanga te katoa hei whatunga pīwariwari mā te whakakī i ngā kapiti me ngā poka. Nō reira, ka taea e te kiriata pūmua te tuku i te pēhanga me te kukū pīwariwari. Ka taea e te kiriata pūmua te hono i ngā kapiti whakaheke i te atanga pūmua-moata, te whakaora i ngā kapiti whakaheke, me te whakapai ake i te hiri me te kaha piri o te moata. Mā te noho mai o ngā rohe pūmua tino ngāwari me te tino pīwariwari ka whakapai ake i te ngāwari me te pīwariwari o te moata, ka whakarato i te piri me te whanonga hihiri ki te angaanga pakari. Ina pāngia he kaha o waho, ka whakaroahia te tukanga horapa moroiti nā te pai ake o te ngāwari me te pīwariwari kia tae rā anō ki ngā ahotea teitei ake. Ka mahi anō hoki ngā rohe pūmua kua whatuhia hei ārai ki te whakakotahitanga o ngā moroiti ki roto i ngā kapiti uru. Nō reira, ka whakapai ake te paura pūmua ka taea te whakamarara anō i te ahotea rahunga me te taumahatanga rahunga o te rauemi.
Wā tuku: Maehe-10-2023