E rua ngā momo rerekē o te Taumata B me te Taumata C i raro i te paerewa ASTM A500.
ASTM A500he paerewa i whakawhanakehia e ASTM International mō ngā ngongo hanganga maitai waro kua whakarewahia matao, he mea hono kore hononga.
Muri iho, me whakarite, me whakataurite i a rāua i roto i ngā momo huarahi kia mārama ai he aha ngā āhuatanga ōrite me ngā āhuatanga rerekē kei a rāua.
Ngā Rerekētanga
He rerekē rawa te hanganga matū o te ASTM A500 Grade B me te C i roto i ngā āhuatanga kume, me ngā wāhi tono.
Ngā Rerekētanga o te Hanga Matū
I roto i te paerewa ASTM A500, e rua ngā tikanga tātari mō te hanganga matū o te maitai: te tātari wera me te tātari hua.
Ka mahia te tātari wera i te wā e whakarewahia ana te maitai. Ko tōna kaupapa he whakarite kia tutuki te hanganga matū o te maitai i ngā whakaritenga o tētahi paerewa motuhake.
Ko te tātari hua ia, i tētahi atu taha, ka mahia i muri i te hanganga o te maitai hei hua. Ka whakamahia tēnei tikanga tātari hei manatoko kei te tutuki te hanganga matū o te hua whakamutunga i ngā whakaritenga kua tohua.
Ehara i te mea miharo, he iti iho te nui o te waro o te Wāhanga C i tō te Wāhanga B, ā, ko te tikanga pea he pakari ake te Wāhanga C i te wā e whakarewaina ana, e hangaia ana rānei.
Ngā Rerekētanga o ngā Āhuatanga Kume
Taumata BHe tino ngāwari te hanga, ā, ka taea te toro atu me te kore e whati, ā, he pai hoki mō ngā hanganga e hiahia ana kia piko, kia whakarerekētia rānei.
Tau CHe nui ake te kaha kume me te kaha tuku nā tōna hanganga matū, engari he iti ake te ngāwari o te kume i te Wāhanga B.
Ngā Rerekētanga o te Whakamahinga
Ahakoa e whakamahia ana ēnei e rua mō ngā mahi hanganga me ngā mahi tautoko, he rerekē te aronga.
Taumata BNā te mea he pai ake ōna āhuatanga whakarewa me te hanga, he maha tonu te whakamahinga i roto i ngā hanganga whare, te hanganga piriti, ngā tautoko whare, me ētahi atu, inā koa ka hiahiatia kia whakarewahia, kia pikohia hoki ngā hanganga.
Tau CNā tōna kaha ake, he maha ngā wā ka whakamahia i roto i ngā mahi e pāngia ana e ngā kawenga teitei ake, pērā i te hanganga ahumahi, ngā hanganga tautoko mīhini taumaha, me ētahi atu.
Te ōritetanga
Ahakoa he maha ngā rerekētanga o te Wāhanga B me te Wāhanga C, he rite tonu ō rāua āhuatanga.
Āhua Wāhanga Whakawhiti ōrite
He porowhita, he tapawhā, he tapawhā hāngai, he porotītaha ngā āhua o ngā wāhanga tuwhera.
Te Maimoatanga Wera
Mā ēnei katoa ka taea te whakamama i te ahotea, te whakawera rānei i te maitai.
Ngā Kaupapa Whakamātautau ōrite
Me tutuki i te Wāhanga B me te Wāhanga C ngā whakaritenga o te ASTM A500 mō te tātari wera, te tātari hua, te whakamātautau kume, te Whakamātautau Papatahi, te Whakamātautau Mura, me te Whakamātautau Kuru Wedge.
Te Manawanui Ahu Kotahi
He tauira o tētahi wāhanga porowhita tuwhera.
I te wā e whiriwhiri ana mēnā me whakamahi ngā ngongo ASTM A500 Grade B, Grade C rānei, me whai whakaaro ki ngā whakaritenga hangarau tuturu me te whai huatanga o te utu.
Hei tauira, mō ngā hanganga kāore e hiahiatia he kaha nui engari he pakari pai, ko te Wāhanga B pea te kōwhiringa ohanga ake. Mō ngā kaupapa e hiahia ana ki te kaha ake me te kaha ki te kawe kawenga, ka whakaratohia e te Wāhanga C te mahi e tika ana, ahakoa he nui ake te utu.
Ngā tohu: astm a500, māka b, māka c, māka b vs c.
Wā tuku: Mei-05-2024