Ngā Rerekētanga i waenga i te Kaiwhakaahua me te Kaiwhakaahua Nui

Ko ngā mea hanga kirihou me ngā mea hanga kirihou nui he momo tāpiri matū e whakamahia ana i roto i ngā ranunga raima hei whakapai ake i te mahi, hei whakaiti i te nui o te wai, hei whakarei ake hoki i ētahi āhuatanga o te raima. Heoi, he rerekē ngā tikanga mahi me ngā painga motuhake e tukuna ana e rāua. Anei ngā rerekētanga matua i waenga i ngā mea hanga kirihou me ngā mea hanga kirihou nui:

1. Tikanga Mahi:
   • Ngā Kaiwhakakirikiri: Ko ngā kaiwhakakirikiri he matū waro wairewa-wai e taunekeneke ana ki te mata o ngā matūriki sima, e whakaiti ana i te kaha kukume i waenga i ngā matūriki me te whakapai ake i te marara o ngā matūriki sima i roto i te ranunga. Ko tā rātou mahi matua mā te whakahinuhinu i ngā matūriki, e āhei ai te rere pai ake me te ngāwari ake o te whakahaere i te ranunga raima.
   • Ngā Kaiwhakamārō Kirihou: Ko ngā Kaiwhakamārō Kirihou, e mōhiotia ana ko ngā Kaiwhakaiti Wai Awhe-teitei (HRWR), he tino whai hua ki te whakaiti i te wai e whakamarara ana i ngā matūriki sima i ngā kaiwhakamārō kirihou. Ka mahi mā te piri ki te mata o ngā matūriki sima, ka hanga he kiriata angiangi, ka hanga he kaha pana i waenga i ngā matūriki, ka whakaiti i te ōwehenga wai-ki-sima me te kore e whakararu i te kaha mahi.
2. Te Whakaiti Wai:
   • Ngā Kaiwhakakirikiri: Ka whakaitihia e ngā kaiwhakakirikiri te nui o te wai o ngā ranunga raima mā te 5% ki te 15% me te pupuri tonu i te ngāwari o te mahi.
   • Ngā Kaiwhakaahua Nui: Ka taea e ngā kaiwhakaahua nui te whakaiti i te wai, i te nuinga o te wā i waenga i te 20% ki te 40%, ka taea ai te whakapai ake i te kaha, te roa, me te mahi o te raima.
3. Inenga:
   • Ngā Kaiwhakaahua Kirihou: He iti ake te horopeta o ngā kaiwhakaahua kirihou ki te whakataurite ki ngā kaiwhakaahua tino kirihou nā te mea he ngāwari te whakaiti i te wai.
   • Ngā Kaiwhakaahua Nui: Me nui ake ngā horopeta o ngā kaiwhakaahua nui hei whakatutuki i te whakaiti wai e hiahiatia ana, ā, he maha ngā wā ka whakamahia ngātahitia me ētahi atu ranunga hei whakapai ake i te mahi.
4. Pānga ki te Āhua Mahi:
   • Ngā Kaiwhakakirikiri: Ka whakapai ake ngā kaiwhakakirikiri i te ngāwari o te mahi me te rere o ngā ranunga raima, kia māmā ake ai te whakatakotoranga, te whakakīkī, me te whakaoti.
   • Ngā Kaiwhakaahua-Pūkaha: He rite tonu ngā painga o ngā Kaiwhakaahua-Pūkaha ki ngā Kaiwhakaahua-Pūkaha engari ka taea te whakatutuki i ngā taumata mahi me te rere teitei ake, e āhei ai te whakaputa i ngā ranunga raima tino wai me te whakapūmau-ā-ia-anake.
5. Ngā tono:
   • Ngā Kaiwhakakirikiri: E whakamahia whānuitia ana ngā kaiwhakakirikiri i roto i te whānuitanga o ngā mahi raima e hiahiatia ana kia pai ake te mahi me te ngāwari o te whakahaere, pērā i te raima kua oti te whakaranu, te raima kua oti te whakarewa, me te shotcrete.
   • Ngā Kaiwhakamāori Rawa: He maha ngā whakamahinga o ngā kaiwhakamāori rawa ki ngā ranunga raima mahi-teitei ina hiahiatia he kaha, he pakari, he rere pai rawa atu, pērā i ngā whare teitei, ngā piriti, me ngā kaupapa hanganga.

Hei whakarāpopototanga, ahakoa e whakamahia ana ngā plasticizer me ngā superplasticizer hei whakapai ake i te mahi me te mahinga o ngā ranunga raima, he nui ake te kaha o ngā superplasticizer ki te whakaiti i te wai, ā, he nui ake te whakamahinga i roto i ngā tono raima mahi-teitei e tino hira ana te kaha, te roa, me te rere.