ʻO ka hapa o ke kolamu kaʻa ka liʻiliʻi a me ka liʻiliʻi o ka weld, ka hale maʻalahi, ʻo ka pedestal i mālama ʻia no ke kīʻaha i hoʻohana pinepine ʻia ma ke kumu o ka lāʻau-type kolamu hoʻokomo wāwae, ʻo ia ka mea maʻalahi manufacturing mea kanu, oiai ke kaumaha mea uuku, lawe A ʻoi aku ka maʻalahi o ka hāpai ʻana, maʻalahi ke kūkulu ʻana, ʻo nā kolamu ʻuala a me nā kolamu he ravioli i ʻōwili ʻia, ʻaʻole nui ka mānoanoa o ka pā, ʻoi aku ka liʻiliʻi ma mua o 40m, me ka nānā ʻole i ka wili a me ka hoʻopaʻa ʻana o ka hale hana, ʻaʻohe pilikia.I ka manawa like, i ka hoʻohālikelike ʻia me nā kolamu i hoʻopaʻa ʻia i ke kī, ua hoʻoikaika ʻia ka hana o ka ʻili kila o ke kolamu, ka hana o nā stirrups longitudinal a me transverse, pēlā i hana ʻia ke kila i loko, mālama i nā mea a me ke kaula kila a me ke ʻano o ka hoʻoikaika ʻia. Eia kekahi, no ka mea, ʻaʻole kūʻē ka paipu kolamu ʻaʻahu i ke kaomi ʻaoʻao o ka template, akā mālama pū i nā kaʻina hana a me ka wehe ʻana.I nā makahiki i hala iho nei, ʻoi aku ka maʻamau o ka paila pōhaku, ninini ʻia ma ka paena ʻaʻohe pilikia, o ka hana ʻana a me ka hoʻohana ākea ʻana o ka Paola kiʻekiʻe ʻaʻole i haʻalulu i nā ʻano hana kūkulu ʻana, ʻoi aku ka maʻalahi o ka pae - nā ʻanuʻu paʻa, hana maʻalahi.Ma ka ʻaoʻao haʻahaʻa o ke kolamu, ua wehe ʻia ka lua hoʻoheheʻe ʻia me ka paila ʻana i ka wai ʻana o ka hoʻokokoke ʻana i lalo, ʻaʻole wikiwiki wale nō, akā e hōʻoia i ka maikaʻi o ka wai.Eia kekahi, ma hope o ka ninini ʻana i ka paipu kila i nā kūlana haʻahaʻa paʻa, ʻaʻole hiki ke hoʻoheheʻe ka wai, e hoʻopau ana i ka pono o nā kaʻina mālama wai, e hoʻomaʻamaʻa i ke kaʻina hana hoʻōla.

I ka hana ʻana i nā ʻāpana kila, nā koi hoʻonohonoho:

①nā kolamu kaʻa me ka paipu kila, nā koi hana kuʻihao kiʻekiʻe.General pono e haawi priority spiral welded paipu, spiral welded paipu ke ole, e hiki no hoi ke hoohana i ko lakou moena moe olokaa kila, akā, na coils o ke kila rolling kuhikuhi pono e perpendicular i ke kuhikuhi o ke anawaena o ka paipu a me kekahi mau koi.ʻO ka hana kila welding me ka hoʻohui ʻana i nā koi maʻamau e hōʻoia pono i ka palahalaha o ka paipu, pololei, me ka ʻole o ka warping, ʻeleʻele a me nā hōʻailona haʻalulu.Koi kona paipu paia o ka rust koi.Hiki ke hoʻonui i ka pōʻaiapili hana kila;

②i ke kaʻina hana ʻāpana, paʻakikī ke kī kila.Structural koi lala ma hope o kuʻihao paipu e pono e pololei, e pono e lawe i ka hana kūpono i ka soldering a me ka welding o kūikawā noonoo a me ka noonoo ana i ke kauoha o ka welding deformation hopena.ʻO ka wāwae weld ʻo Tube butt weld ma mua, no ka paipu anawaena liʻiliʻi e pono e hoʻopili ʻia.No ka paipu anawaena nui e pono e lilo i kekahi me ka hoʻoikaika hou aku i wiliwili kila paipu no ka manawa paʻa-linking kuʻihao.Ma ke kaʻina hana kuʻi ʻana i ke kila, inā ʻike ʻia ke kuʻi kuʻi ʻana i ka wā e puka mai ai nā micro-cracks, pono e hoʻopau ka pūnaewele microcracks i nā wili hou a pau.I mea e hōʻoia i ka maikaʻi o ka weld ami o ka, ma ke kahua splicing i loko o ka paipu ami e hoonoho hou liner.No ke kolamu lattice i ka nui i makemake ʻia a me ka hui hoʻokuʻi kihi, pono e hoʻopili pololei ʻia nā ʻāpana lālā a me nā ʻano pūnaewele like ʻole.Pono e hoʻohana ʻia nā pūnaewele āpau ma ka hui paipu a me nā lālā intersection curve ʻakomi paipu ʻoki mīkini e like me ke anawaena o ka hopena paipu a ʻoki ʻia ke kihi o ka ʻili o ka paipu.Inā ʻaʻohe mīkini ʻoki metala ʻakomi, pono e hoʻonui ʻia ka nānā ʻana i ka ʻoki ʻana.Hoʻohana pinepine ʻia i nā hale kiʻekiʻe i ka paipu hiki ke hoʻololi ʻia, ʻoi aku ka paʻakikī o ka hoʻololi ʻana o ka tube, hiki ke hoʻololi ʻia i ka ʻōnaehana node, ʻoi aku ka paʻakikī o ka holomua o ke kūkulu ʻana.