Ua uhi ʻia ka lāʻau paʻa paʻa paʻa no ka ʻenekini kūkulu hale me Film Faced Plywood. ʻO ka maʻamau kuhikuhi ʻo Plywood no ka Formwork Concrete.
Nā ʻano kiʻiʻoniʻoni i alo i ka Plywood Concrete FormworkPaʻa Plywood:
ʻEkolu ʻano maʻamau o ka Plywood Puka Puka Paʻa
1. Plywood Paʻa Paʻa Paʻa (Plain Board) Plywood me ka mālama ʻole ʻia o ka ʻili;
2. Plywood Pani Pa'i Pa'a (i ho'opau 'ia e like me ka papa i uhi 'ia) Laau Laau Laau i hana 'ia me ka ho'opau resin;
3. Plywood Pani Paʻa Paʻa (Film Faced Plywood) plywood i uhi ʻia me ke kiʻi pipili.
Uhi Plywood Puka Puka PukaKiʻiʻoniʻoni Maka PlywoodNā mea e pono ai:
1. Ka nui a me ke ahonui koi no Film Faced Plywood i uhiia Concrete Formwork Shuttering Plywood:
No ka Formwork Shuttering Plywood i loko o nā ʻōnaehana modular, ʻo ka ʻae ʻana i ka lōʻihi a me ka laula he 0-3 mm, a no nā laʻana non-modular, ʻo ka ʻae ʻana i ka lōʻihi a me ka laulā he
ʻO ke ʻano no ke ana ʻana i ka lōʻihi a me ka laula o ka Plywood Pani Paʻa Paʻa
ʻO ke ala ʻike o ka lōʻihi a me ka laula: E ana i nā helu 2 o ka lōʻihi a me ka laulā o kēlā me kēia pā me kahi ana lipine kila ma 100mm mai ka lihi o ka pā, e lawe i ka waiwai awelika, ʻo ka ʻokoʻa ma waena o ka waiwai awelika a me ka nui nominal ka hoʻomanawanui ( e nānā i ka helu 1 ma lalo).
ʻO ka ʻae ʻia ʻana o ka mānoanoa ʻae ʻia no ka Papahana Hoʻopaʻa Paʻa Paʻa Pono e kū i ka Papa 2.
ʻO ka ʻae ʻana i ka mānoanoa (mm) papa 2
Mānoanoa inoa
ʻAe ʻia ka ʻae ʻana ma waena o ka mānoanoa awelika a me ka mānoanoa nominal
ʻokoʻa mānoanoa o kēlā me kēia pā
≥12mm～＜15mm ±0.5mm 0.8mm
≥15mm～＜18mm ±0.6mm 1.0mm
≥18mm～＜21mm ±0.7mm 1.2mm
≥21mm～＜24mm ±0.8mm 1.4mm
ʻO ke ʻano o ka ʻike ʻana i ka mānoanoa o ka lāʻau hoʻopaʻa paʻa ʻia ma waena o 24mm a me 50mm mai ka lihi o ka pā me kahi micrometer (a i ʻole vernier caliper). Aia ke kiko ana ma waenakonu o kēlā me kēia kihi a me ka ʻaoʻao. E ana i na helu 3 a me 1 ma na aoao loihi a me na aoao pokole a e lawe i ka awelika o 8 helu. ʻO ka ʻokoʻa ma waena o ka awelika a me ka mānoanoa nominal he deviation (e nānā i ke Kiʻi 1 ma luna).
Hōʻike ʻia nā ʻae ʻae ʻia a me nā palena warpage no ka lōʻihi diagonal o Concrete Formwork Shuttering Plywood ma ka Papa 2 a me ka Papa 3.
Paʻa Paʻa Paʻa Laʻau Paʻa ʻelua Diagonal Length i ʻae ʻia ʻo ka ʻae ʻana (mm) Papa 2
| Paʻa Lapaʻau Paʻa Paʻa Paʻa ʻO ka lōʻihi o ka hoʻomanawanui | ʻO ka ʻokoʻa o ka lōʻihi ma waena o ʻelua diagonal |
| ≤1220 ＞1220～≤1830 ＞1830～≤2135 ＞2135 | 3 4 5 6 |
Plywood Pani Paʻi PaʻaPapa palena Warpage3
| Tickness | Papa | |
| He Papa Laau | Plywood papa B | |
| 12㎜ a i luna | ʻaʻole ma mua o 0.5% | ʻaʻole ma mua o 1% |
Hoʻomaopopo: Hōʻike ʻia ka Warpage ma ke ʻano he ratio o ke kiʻekiʻe kiʻekiʻe o ke kiʻekiʻe o ka laina diagonal Formwork Shuttering Plywood i ka lōʻihi o ka laina diagonal.
1. Ke ala ʻike ʻokoʻa diagonal: E ana i ka ʻokoʻa ma waena o nā diagonal ʻelua me ke ana lipine kila.
(2) Ke ala ʻike Warpage: hoʻohana ʻia ka lula kila no ke ana ʻana i ka lōʻihi diagonal a hoʻohana ʻia ke ana wili (a i ʻole ka lipine kila) e ana i ke kiʻekiʻe chord kiʻekiʻe ma waena o ke aliʻi kila a me ka ʻili o ka pā. ʻO ka ratio o ka hope i ka mua he warpage; ʻAe ʻia ka ʻae a me ka palena warpage ka lōʻihi diagonal.
ʻAʻole pono e oi aku ma mua o 0.8mm/m ke kiʻekiʻe.
E ana i ka verticality o kekahi aoao o ka aoao akau i kekahi aoao o ka Concrete Formwork Shuttering Plywood (e nana i ke Kii 2) ma ke ana ana i ka mamao ma waena o kekahi lima o ka aoao akau a me ka lihi o ka papa (e nana i ke Kii 2. ) ma kahi mamao o 1000 [1] mm mai ka huina pā.
6) 'A'ole pono e oi aku ma mua o 1.0 mm/m ka verticality o na lihi eha o ka Plywood Puka Puka Papahana.
E kau i ka lula ma ka ʻaoʻao o ka pā (a i ʻole e kau a hoʻopololei i ke uwea ma nā kihi ʻelua o ka pā) a e ana i ka ʻokoʻa kiʻekiʻe ma waena o ka lula (a i ʻole e hoʻopololei i ka uea) a me ka lihi o ka pā.
1. Nā Koina Kūleʻa o ka Plywood Pani Paʻa Paʻa
1) ʻO ka hua lāʻau o nā ʻāpana ʻelua e pili ana i nā veneers e kū pololei kekahi i kekahi, a ʻo nā veneers o nā ʻāpana symmetrical ma nā ʻaoʻao ʻelua o ka papa waena he ʻano lāʻau like ʻole a me nā ʻano ʻano kino like ʻole a me ka mānoanoa like.
2) . e noʻonoʻo ʻia ke kūlike o ka hoʻolālā huahana. I ka wā o ka hui ʻana, ʻaʻole e emi iho ka mānoanoa o ka pā ili a me kēlā me kēia ʻāpana o ka veneer me ka ʻaoʻao fiber like me ka pā ʻili ma lalo o 40% a ʻaʻole ʻoi aku ma mua o 60% o ka mānoanoa papa. ʻAʻole e emi ka helu o nā papa o ka Papa ma lalo o 7. ʻAʻole e emi ka mānoanoa o ka papa honua ma lalo o 1.2mm, a ʻo ka mānoanoa o ka pā o ka pā i uhi ʻia ʻaʻole e emi iho ma mua o 0.8mm.
3) . ʻo ka pā ili o ka papa hoʻokahi e like me nā ʻano lāʻau like.
4) ʻAʻole i hoʻokomo ʻia ka lāʻau paʻa paʻa paʻa paʻa i ka hoʻohana ʻana. ʻAʻole e hoʻohana ʻia ka lipine paʻa ʻole i hoʻohana ʻia no ka splicing i loko o ka lāʻau. Inā hoʻohana ʻia ia e splice a hoʻoponopono paha i ka panel, e hoʻoneʻe ʻia ka lipine pipili, koe naʻe ʻaʻole i kāhiko ʻia, ʻaʻole e waiho ʻia kahi hōʻailona pipili.
2. Nā ʻano mea e pono ai o ka lāʻau paʻa paʻa paʻa
ʻO nā ʻano lāʻau o ka lāʻau paʻa paʻa paʻa: masson pine, Yunnan pine, larch, radial pine, poplar, birch, lotus, Liquidambar, pseudo alder, Liuʻan, Oakland, clone, abidong, etc.
3. Koi pipili no ka Laau Laau Pani Paa Paa
1) ʻO ka lāʻau paʻa o ka lāʻau paʻa paʻa paʻa he resin phenolic a i ʻole resin me ka hana like.
2) E hoʻohana ʻia ka resin Phenolic a i ʻole resin me ka hana like no ka hoʻopau resin.
3) ʻO ka resin i hoʻohana ʻia no ka uhi ʻana he resin phenolic a i ʻole resin me ka hana like.
Nānā: ʻO ka resin phenolic kahi ʻano resin i hana ʻia e ka condensation polymerization o phenol a me formaldehyde ma lalo o nā kūlana catalyst, neutralization a me ka holoi wai.
1. Paʻa Paʻa Paʻa Paʻa Paʻa Kiʻiʻoniʻoni I mua o nā Papa Plywood
1) ʻO ka maʻamau, hoʻoholo ʻia ka pae o ka pā i hoʻopau ʻia e ka nānā ʻana i nā hemahema i ʻae ʻia ma ka pā paʻa. Aia ka papa i nā hemahema mea ʻae ʻia, nā hemahema mīkini a me nā koi no ka splicing.
2) Ua māhele ʻia ka lāʻau paʻa paʻa paʻa (paʻa paʻa) i ʻelua papa e like me nā hemahema ʻike ʻia a me ka hoʻoponopono ʻana i nā hemahema ma ka papa i hoʻopau ʻia: Nā huahana A (nā huahana maikaʻi loa) a me nā huahana papa B (nā huahana kūpono). E hoʻokō nā hemahema i ʻae ʻia me nā ʻōlelo o ka papa 5.
3) . ua māhele ʻia ka papa hana paʻa paʻa me ka pauku resin i ʻelua papa e like me nā hemahema o ka hana ʻike ʻia ma ka pā i hoʻopau ʻia: nā huahana Grade A (nā huahana maikaʻi loa) a me nā huahana papa B (nā huahana kūpono). ʻO nā hemahema i ʻae ʻia e hoʻokō me nā ʻōlelo o ka papa 6. ʻO ka hiʻohiʻona maikaʻi o ka papa kumu e kūpono i nā koi e pili ana i ka Papa 5.
4) Ua māhele ʻia ka lāʻau paʻa paʻa paʻa (kiʻiʻoniʻoni ke alo i ka plywood) i ʻelua mau māka e like me nā hemahema o ka hana ʻike ʻia ma ka pā i hoʻopau ʻia: Nā huahana Grade A (nā huahana maikaʻi loa) a me nā huahana papa B (nā huahana kūpono). ʻO nā hemahema i ʻae ʻia e hoʻokō me nā ʻōlelo o ka papa 7. ʻO ka maikaʻi o ka hiʻohiʻona o ka papa kumu e kūpono i nā koi e pili ana i ka Papa 5.
5) E ʻoki ʻia ka ʻili o ka pā. Inā ʻae ʻia e ka mea kūʻai aku a me ka mea kūʻai aku, hiki ke hoʻopaʻa ʻia (scraped) a i ʻole ke one (scraped) ma kekahi ʻaoʻao.
6) E uhi ʻia me ka resin ma nā ʻaoʻao ʻelua me ke kiʻiʻoniʻoni i alo i ka pauku. Inā he ʻokoʻa nā ʻaoʻao ʻelua, e hōʻailona maopopo ʻia, a e uhi ʻia nā ʻaoʻao ʻehā me ka pena hoʻopaʻa wai.
7) E uhi ʻia nā ʻaoʻao ʻelua ma nā ʻaoʻao ʻelua. Inā ʻokoʻa nā māka ma nā ʻaoʻao ʻelua, e hōʻailona maopopo ʻia, a e uhi ʻia nā ʻaoʻao ʻehā me ka pena lihi wai.
2. Na Pono Kino a Me Mekanika o ka Laau Laau Pani Paa Paa
ʻO nā waiwai kino a me nā mīkini o kēlā me kēia papa o ka lāʻau paʻa paʻa paʻa paʻa e hoʻokō me nā ʻōlelo ma ka Papa 8.
Waiwai helu helu waiwai kino a me mechanical Papa 4
| Iua loaʻa iā ia |
| Ua ʻōlelo ʻo Thickness（mm） | |||||
| ≥12～＜15 | ≥15～＜18 | ≥18～＜21 | ≥21～＜24 | ||||
| Moisture content | % | 6～14 | |||||
| ʻO Density | t/m3 | INood Plywood0.6~0.65 | Plywood ʻohe 0.7-0.8 | ||||
| Ka ikaika pili | MPa | ≥0.7 | |||||
| ʻO ka ikaika kuʻekuʻe wāwae | kaha kaha like | MPa | ≥50 | ≥45 | ≥40 | ≥35 | |
| ʻAi ʻaʻa | ≥30 | ≥30 | ≥30 | ≥25 | |||
| Modulus o ka elasticity | kaha kaha like | MPa | ≥6000 | ≥6000 | ≥6000 | ≥6000 | |
| ʻAi ʻaʻa | ≥4500 | ≥4500 | ≥4000 | ≥4000 | |||
| ʻO ka hoʻokō ʻana i ka wehe ʻana |
| ʻAʻole ʻoi aku ka nui o ka 25mm ka lōʻihi o ka peeling cumulative o kēlā me kēia ʻaoʻao. | |||||
'Ōlelo Aʻo: ① ikaika kulou ʻana: ʻo ka ikaika kulou ʻana ka lākiō o ka manawa kūlou a me ka modulus ʻāpana kūlou o ka specimen ma lalo o ka ukana kiʻekiʻe. ʻO ka lawe ʻana i ka papa i hana ʻia e ke kanaka ma ke ʻano he laʻana, ke koʻikoʻi ka papa i hana ʻia e ke kanaka, e piʻo ai kekahi. Kapa ʻia kēia kūlana "static bending". ʻO ka "kūlou paʻa paʻa" e pili ana i ka ikaika paʻi i hiki i ka papa i hana ʻia e ke kanaka ke hoʻopaʻa ʻia i ke koʻikoʻi a piʻo i ka haki, i hōʻike ʻia ma MPa. ② ʻO ka modulus o ka elasticity, ka mea i ʻike ʻia he elastic coefficient, ʻo Young's modulus, ʻo ia kekahi o nā mea koʻikoʻi a me nā hiʻohiʻona mechanical o nā mea elastic, a he hōʻike hoʻi i ka paʻakikī o ka deformation o nā mea, i hōʻike ʻia e E. o ke koʻikoʻi i ke koʻikoʻi pili o kahi mea kūpono i ka liʻiliʻi deformation.
3. Ka ho'āʻo ʻana no ka lāʻau lapaʻau pani puka paʻa
4. ʻO ka lōʻihi a me ka laula, diagonal, warpage a me nā waiwai kino a me nā ʻano mechanical o ka lāʻau paʻa paʻa paʻa paʻa e hoʻohālikelike ʻia no ka nānā ʻana e like me ka mea e pono ai.
ʻO ka mākaʻikaʻi ʻana, ka lepili ʻana, ka hoʻopili ʻana, ka lawe ʻana a me ka mālama ʻana i ka lāʻau paʻa paʻa paʻa
ʻO nā hōʻailona, nā lepili, ka hoʻopili ʻana, ka lawe ʻana a me ka mālama ʻana i ka lāʻau paʻa paʻa paʻa paʻa e hoʻokō me nā lula. ʻO ka māka māka i hoʻopaʻa ʻia me ka helu e kūlike me ka māka o ka pā.
1. Ka ʻike ʻana o ka lāʻau paʻa paʻa paʻa
Ma ke kihi ʻākau haʻahaʻa a i ʻole ʻaoʻao o kēlā me kēia papa hana paʻa paʻa ʻana i ka pahu pahu pahu, e hoʻopili ʻia ka ʻīnika indelible me nā kaha e hōʻike ana i ka waeʻano, ka pae, ka pae hoʻokuʻu formaldehyde, code hana, code inspector a me ka lā hana o ka formwork shuttering plywood.
Hoʻohana nā māka papa i ka "maikaʻi" a me ka "kūpono" e hōʻike i kēlā me kēia papa o ka papa hana paʻa paʻa paʻa i ka plywood.
Hōʻailona ʻia nā pae hoʻokuʻu formaldehyde me E0, E1 a me E2.
Nānā: ʻO ka formaldehyde kekahi ʻano kinoea kemika. Inā piʻi ka ʻike o ka lewa i kekahi ʻano koʻikoʻi, e pōʻino ia i ke kino kanaka. Hoʻohana nui ʻia ia i ke kaʻina hana o nā mea hoʻohui a hoʻokani i kahi hana hoʻopaʻa (hoʻohana ʻia nā papa hana kanaka i nā adhesives a loaʻa ka formaldehyde). Ma kēia ʻano, ʻaʻole e hoʻololi koke ka formaldehyde i loko o nā mea kūkulu hale, akā e hoʻololi mālie ʻia ma muli o nā ʻano like ʻole o ka mahana a me ka haʻahaʻa, me ka manawa volatilization o nā makahiki he ʻumi. Noho i loko o kahi kaiapuni me ka nui o ka formaldehyde no ka manawa lōʻihi, e hōʻeha ʻia ka formaldehyde i nā maka o ka poʻe, ka ihu a me ka ʻōnaehana hanu a i ʻole e loaʻa i nā kānaka i nā maʻi ʻili. Ua hōʻike pū ʻia nā hopena o nā hoʻokolohua holoholona e hiki i ka hoʻokuʻu ʻana i ka formaldehyde keu ke alakaʻi i ka maʻi maʻi ihu a me ka maʻi ʻaʻai hanu.
ʻO E0, E1 a me E2 e pili ana i kahi kūlana palekana kaiapuni o ka pae palena palena hoʻokuʻu formaldehyde
ʻO ka palena hoʻokuʻu formaldehyde o ka ʻāpana plywood: mg / L
Ka palena o ka hōʻailona papa (GB) (Europa).
E0 ≤ 0.5 (0.4) mg/l hiki ke hoʻohana pono i loko o ka hale
Hiki ke hoʻohana pono ʻia ka E1 ≤ 1.5 (1.0) mg/l i loko o ka hale
E2 ≤ 5.0 (4.0) mg/l hiki ke hoʻohana i loko o ka hale ma hope o ka pau ʻana
2. Lepili o ka lāʻau paʻa paʻa paʻa
E hoʻopaʻa inoa ʻia kēlā me kēia pūʻolo o ka lāʻau paʻa paʻa paʻa me ka inoa o ka mea hana, ka helu wahi, ka inoa huahana, ka hōʻailona, ka helu maʻamau o ka huahana, nā kikoʻī, nā ʻano lāʻau, ka ʻāpana, ka pae, formaldehyde emission level, ka helu o nā pepa, ka lā hana, etc.
3. Packaging of concrete formwork shuttering plywood
E hoʻopaʻa ʻokoʻa ʻia ka lāʻau paʻa paʻa paʻa paʻa e like me nā ʻāpana like ʻole, nā ʻano kumulāʻau, nā kikoʻī, nā māka, nā pae hoʻokuʻu formaldehyde a me nā helu pūʻulu ke haʻalele i ka hale hana. No ka pale ʻana i ka ʻili o ka papa mai ka ʻeleʻele ʻana, e kū pono ka ʻaoʻao o ka Papa waho loa i loko i ka wā e hoʻopili ai. E hoʻopaʻa ʻia ka lāʻau paʻa paʻa paʻa me nā koi kūikawā e like me ka ʻaelike ma waena o ka mea hoʻolako a me ka mea kūʻai mai.
4.Ua ʻōlelo ʻo Transportation a me ka waiho ʻana o ka lāʻau paʻa paʻa paʻa
E lawe ʻia ka lāʻau paʻa paʻa paʻa paʻa ma ke ala maʻemaʻe, maloʻo a uhi ʻia.
ʻAʻole e hoʻopilikia ʻia ka lāʻau paʻa paʻa paʻa i ka wai i ka wā o ka lawe ʻana a me ka mālama ʻana, a e pale aku i ka pōʻino kanaka a me nā mīkini i ka wā e lawelawe ai.
Pākuʻi: ke kaʻina hana ʻae ʻae ʻia ka hana ʻana i ka formwork paʻa ʻana i ka lāʻau
(1) E nānā mua i ka māka, ka lepili a me ka pūʻolo o ka lāʻau paʻa paʻa paʻa e hoʻokō me nā ʻōlelo o gb/t9846.6-2004. ʻO ka māka māka i hoʻopaʻa ʻia me ka helu e kūlike me ka māka o ka pā. Pono e hoʻokō ka hana ʻenehana me nā kūlana kūpono kūpono (ma o ka mālama ʻana a me ka nānā ʻana i ka palapala hōʻoia o ka hale hana a me ka hōʻike hōʻike hoʻāʻo o ka mobilized concrete formwork shuttering plywood).
(2) maʻamau no ka nānā ʻana i ka maikaʻi (ma o ka nānā ʻana a me ka nānā ʻana): ʻaʻohe pala, ʻeleʻele a me ka ʻōpala ma kekahi ʻāpana. ʻAʻohe hemahema o ka ʻaoʻao o ka papa. ʻAʻole ʻoi aku ka nui o ka degumming o ka veneer i kēlā me kēia mika square ma mua o 0.001m2. ʻAʻole ʻoi aku ka nui o ka wahi haumia i ka mika square ma mua o 0.005m2.
(3) e nānā i ka lua o ka nui koi no ka kikoʻī a me ka nānā ana.
Ka manawa hoʻouna: Jun-03-2022