Ko te FRP, he kirihou hiato kua whakapakarihia ki te muka, he mea whakakaha pokapū e whakamahia whānuitia ana mō ngā taura muka whatu o waho; i ēnei rā, kua piki haere te whakamahinga o ngā taura, ā, ka whakamahia e ngā taura te FRP hei whakakaha pokapū me te whakamahi i te KFRP hei whakakaha pokapū.
Ko ngā āhuatanga o te FRP (Muka Karāhe) e whai ake nei:
(1) Mama te taumaha, ā, he kaha te kaha
Ko te mātotoru whanaunga kei waenganui i te 1.5~2.0, 1/4~1/5 noa iho o te maitai waro, engari he tata te kaha kume ki te maitai waro, he nui ake rānei, ā, ka taea te whakarite i te kaha motuhake ki te maitai koranu kounga teitei. Nō reira, he tino whai hua i roto i te rererangi, ngā rōkete, ngā waka mokowhiti, ngā kaipuke pēhanga teitei, me ētahi atu tono e hiahia ana kia whakaitihia te taumaha. Ka taea e te kaha kume, te piko me te pēhi o ētahi FRP epoxy te eke ki runga ake i te 400Mpa.
(2) Ātete pai ki te waikura:
He rauemi pai te FRP hei ārai i te waikura, ā, he pai hoki tōna ātete ki te hau, ki te wai me te kukū whānui o ngā waikawa, ngā kawakore, ngā tote, me ngā momo hinu me ngā whakarewa. Kua whakamahia ki ngā āhuatanga katoa o te ārai-waikura matū, ā, kei te whakakapi i te maitai waro, te maitai kore waikura, te rakau, ngā konganuku kore-ferrous, me ētahi atu.
(3) Ngā āhuatanga hiko pai
He rauemi ārai pai rawa atu tēnei e whakamahia ana hei hanga i ngā ārai. Ka taea tonu e ia te tiaki i ngā āhuatanga hiko pai i ngā auau teitei. He pai te tuku hiko o te ngaruiti, ā, kua whānuitia te whakamahinga i roto i ngā radom me ētahi atu.
Ko te KFRP he momo hou o te taura muka whatu kore-whakarewa mahi-teitei, e whakamahia whānuitia ana i roto i ngā whatunga urunga.
Ko ngā āhuatanga o te KFRP e whai ake nei:
(1) Mama te taumaha, ā, he kaha te kaha
Ko tōna kaha motuhake me tōna tauwehenga motuhake he nui atu i te waea rino me te matua whakakaha taura muka kua whakakahangia ki te muka karāhe;
(2) Te whānui iti
I roto i te whānuitanga o ngā pāmahana, he iti ake te tauwehenga whānui raina o te matua whakapakari taura muka kua whakapakarihia ki te muka aramid i tērā o te waea maitai me te matua whakapakari taura whatu kua whakapakarihia ki te muka karāhe;
(3) Ātete pānga me te ātete whati
Ko te matua whakakaha taura muka kua whakakahangia ki te muka aramid, ehara i te mea he kaha kume tino teitei (≥ 1700MPa), engari he ātete pānga me te ātete pakaru hoki, ā, ka taea te pupuri i te kaha kume tata ki te 1300MPa ahakoa ka pakaru;
(4) He ngāwari pai
He māmā te matua whakapakari o te taura whatu kua whakapakarihia ki te muka aramid, ā, he ngāwari ki te piko, ā, ko te diameter piko iti rawa he 24 ngā wā noa iho i te diameter. He hanganga kiato te taura whatu o roto, he ātaahua te āhua, he pai te mahi piko, ā, he tino pai mō te waea i roto i ngā taiao uaua o roto.
Wā tuku: Maehe-04-2024