Qhob Formwork Shuttering Plywood rau Concrete Formwork hauv Kev Tsim Kho Engineering yog coated nrog Film Faced Plywood. Cov txheej txheem siv yog Plywood rau Concrete Formwork.
Hom Zaj duab xis ntsej muag Plywood Concrete FormworkShuttering Plywood:
Feem ntau muaj peb hom Concrete Formwork Shuttering Plywood
1. Qhob Formwork Shuttering Plywood (plain board) plywood yam tsis kho deg;
2. Qhob Formwork Shuttering Plywood (abbreviated li coated board) Plywood Kho nrog resin tiav;
3. Concrete Formwork Shuttering Plywood (Film Faced Plywood) plywood coated nrog dipped adhesive zaj duab xis
Tshwj xeeb Formwork Shuttering Plywood NpogFilm Faced PlywoodYuav tsum muaj:
1. Qhov loj me thiab qhov yuav tsum tau ua siab ntev rau Film Faced Plywood coated Concrete Formwork Shuttering Plywood:
Rau cov pob zeb Formwork Shuttering Plywood nyob rau hauv modular systems, kam rau ua nyob rau hauv ntev thiab dav yog 0-3 hli, thiab rau non-modular templates, tolerances nyob rau hauv ntev thiab dav yog
Txoj kev ntsuas qhov ntev thiab qhov dav ntawm Qhob Formwork Shuttering Plywood
Kev ntsuas qhov ntev thiab qhov dav: Ntsuas 2 cov ntsiab lus ntawm qhov ntev thiab qhov dav ntawm txhua lub phaj nrog ib daim kab xev ntsuas ntawm 100mm los ntawm ntug ntawm lub phaj, coj tus nqi nruab nrab, qhov sib txawv ntawm tus nqi nruab nrab thiab qhov nominal loj yog qhov kam rau ua ( saib daim duab 1 hauv qab no).
Qhov tso cai thickness sib txawv rau Concrete Formwork Shuttering Plywood yuav tsum ua raws li Table 2.
Thickness kam rau ua (mm) rooj 2
Nominal thickness
Tso cai sib txawv ntawm nruab nrab thickness thiab nominal thickness
Qhov siab tshaj plaws pub thickness sib txawv ntawm txhua lub phaj
≥12mm ~ 15mm ± 0.5mm 0.8mm
≥15mm ~ 18mm ± 0.6mm 1.0mm
≥18mm ~ 21mm ± 0.7mm 1.2mm
≥21mm ~ 24mm ± 0.8mm 1.4mm
Qhob Formwork Shuttering Plywood Thickness Detection Method: Ntsuas lub thickness ntawm pob zeb Formwork Shuttering Plywood ntawm 24mm thiab 50mm los ntawm ntug ntawm lub phaj nrog ib tug micrometer (los yog vernier caliper). Qhov ntsuas ntsuas yog nyob nruab nrab ntawm txhua lub ces kaum thiab ntug. Ntsuas 3 cov ntsiab lus thiab 1 cov ntsiab lus sib npaug ntawm sab ntev thiab luv thiab siv qhov nruab nrab ntawm 8 cov ntsiab lus. Qhov sib txawv ntawm qhov nruab nrab thiab qhov nominal thickness yog sib txawv (saib daim duab 1 saum toj no).
Qhov tso cai sib txawv thiab kev txwv tsis pub muaj kev txwv rau qhov ntev ntawm kab pheeb ces kaum ntawm Pob Zeb Formwork Shuttering Plywood yog qhia hauv Table 2 thiab Table 3.
Qhob Formwork Shuttering Plywood Ob kab pheeb ces kaum ntev tso cai sib txawv (mm) Table 2
| Qhob Formwork Shuttering Plywood Tolerance ntev | Qhov sib txawv ntawm qhov ntev ntawm ob kab pheeb ces kaum |
| ≤1220 ＞ 1220～ ≤ 1830 ＞ 1830～ 2135 2135 ib | 3 4 5 6 |
Pob zeb Formwork Shuttering PlywoodWarpage limit table3
| Tickness | Qib | |
| A qib Plywood | B qib Plywood | |
| 12 ㎜ thiab nce | tsis tshaj 0.5% | tsis tshaj 1% |
Lus Cim: Warpage yog qhia raws li qhov piv ntawm qhov siab tshaj plaws chord qhov siab ntawm cov pob zeb Formwork Shuttering Plywood kab pheeb ces kaum rau qhov ntev ntawm kab pheeb ces kaum.
1. Txoj kev tshawb nrhiav qhov sib txawv ntawm kab pheeb ces kaum: ntsuas qhov sib txawv ntawm ob kab pheeb ces kaum nrog ib daim kab xev ntsuas.
(2) Warpage detection method: steel kav yog siv los ntsuas qhov ntev ntawm kab pheeb ces kaum thiab lub ntsuas ntsuas (los yog steel daim kab xev ntsuas) yog siv los ntsuas qhov siab tshaj plaws chord qhov siab ntawm steel kav thiab phaj nto. Qhov piv ntawm yav tas los rau yav dhau los yog warpage; Diagonal ntev tso cai sib txawv thiab warpage txwv.
Qhob Formwork Shuttering Plywood yuav tsum tsis txhob ntau tshaj 0.8mm / m ntsug.
Ntsuas qhov verticality ntawm ib sab ntawm txoj cai-lub kaum sab xis tiv thaiv ib sab ntawm lub pob zeb Formwork Shuttering Plywood (saib daim duab 2) los ntawm kev ntsuas qhov kev ncua deb ntawm lwm sab caj npab ntawm txoj cai-lub kaum sab xis thiab ntug ntawm lub phaj (saib daim duab 2 ) ntawm qhov deb ntawm 1000 [1] hli ntawm lub phaj kaum.
6) Lub verticality ntawm plaub ntug ntawm pob zeb Formwork Shuttering Plywood yuav tsum tsis pub tshaj 1.0 mm / m.
Muab tus pas ntsuas rau ntawm ntug ntawm lub phaj (los yog qhov chaw thiab ncaj cov hlau ntawm ob sab ntawm lub phaj) thiab ntsuas qhov siab tshaj qhov sib txawv ntawm tus pas ntsuas (los yog ncaj cov hlau) thiab ntug ntawm lub phaj.
1. Cov qauv yuav tsum muaj ntawm pob zeb Formwork Shuttering Plywood
1) Cov ntoo grain ntawm ob txheej uas nyob ib sab ntawm cov veneers yuav tsum yog perpendicular rau ib leeg, thiab cov veneers ntawm symmetrical khaubncaws sab nraud povtseg ntawm ob sab ntawm lub hauv paus txheej yuav tsum yog tib hom ntoo los yog ntoo uas zoo sib xws lub cev thiab mechanical zog thiab tib thickness.
2). lub uniformity ntawm cov khoom tiav cov qauv yuav tsum tau txiav txim siab. Thaum lub sij hawm sib sau ua ke, tag nrho cov tuab ntawm cov phaj saum npoo thiab txhua txheej ntawm veneer nrog tib cov kev taw qhia fiber ntau raws li cov phaj saum npoo yuav tsum tsis pub tsawg dua 40% thiab tsis ntau tshaj 60% ntawm cov slab thickness. Tus naj npawb ntawm cov khaubncaws sab nraud povtseg yuav tsum tsis pub tsawg tshaj 7. Lub thickness ntawm lub phaj saum npoo yuav tsum tsis txhob tsawg tshaj li 1.2 hli, thiab lub thickness ntawm lub phaj ntawm lub coated phaj yuav tsum tsis txhob tsawg tshaj li 0.8 hli.
3). lub phaj saum npoo ntawm tib txheej yuav tsum yog tib hom ntoo.
4) Cov pob zeb formwork shuttering plywood yuav tsum tsis muaj kev suav nrog uas yuav cuam tshuam rau kev siv. Cov ntaub nplaum tsis ntxeem tau siv rau kev sib txuas yuav tsum tsis txhob siv rau hauv cov plywood. Yog hais tias nws yog siv los splice los yog kho lub vaj huam sib luag, daim nplaum nplaum yuav tsum tau muab tshem tawm, tshwj tsis yog tias nws tsis tau dai kom zoo nkauj, thiab tsis muaj cov nplaum nplaum nplaum nplaum yuav tsum tau tso tseg.
2. Cov Kev Xav Tau Ntawm Cov Pob Zeb Formwork Shuttering Plywood
Cov ntoo ntawm cov pob zeb formwork shuttering plywood yog: masson ntoo thuv, Yunnan ntoo thuv, larch, radial ntoo thuv, poplar, birch, lotus, Liquidambar, pseudo alder, Liu'an, Oakland, clone, abidong, thiab lwm yam.
3. Adhesive Requirements of Concrete Formwork Shuttering Plywood
1) Cov nplaum ntawm pob zeb formwork shuttering plywood yuav tsum yog phenolic resin lossis resin nrog kev ua haujlwm sib npaug.
2) Phenolic resin lossis resin nrog kev ua haujlwm sib npaug yuav tsum tau siv rau kev ua tiav.
3) Cov resin siv rau txheej yuav tsum yog phenolic resin lossis resin nrog kev ua haujlwm sib npaug.
Lus Cim: phenolic resin yog ib hom resin ua los ntawm condensation polymerization ntawm phenol thiab formaldehyde nyob rau hauv catalyst tej yam kev mob, neutralization thiab dej ntxuav.
1. Concrete Formwork Shuttering Plywood Zaj duab xis ntsib Plywood Qib thiab tso cai tsis haum rau pob zeb
1) Feem ntau, qib ntawm cov phaj tiav yog txiav txim siab los ntawm kev tshuaj xyuas qhov pom ntawm qhov tsis xws luag ntawm cov phaj tiav. Qib nyob ntawm qhov tso cai ntawm cov khoom tsis xws luag, machining defects thiab cov yuav tsum tau rau splicing.
2) Concrete formwork shuttering plywood (plain board) tau muab faib ua ob qib raws li cov khoom siv tsis raug thiab kev ua haujlwm tsis zoo ntawm cov khoom tiav: Qib A (cov khoom zoo heev) thiab qib B (cov khoom tsim nyog). Qhov kev tso cai tsis zoo yuav tsum ua raws li cov lus qhia 5.
3). Lub pob zeb formwork shuttering plywood nrog resin tiav yog muab faib ua ob qib raws li qhov pom kev ua haujlwm tsis zoo ntawm cov phaj tiav: Cov khoom lag luam qib A (cov khoom lag luam zoo) thiab cov khoom qib B (cov khoom tsim nyog). Qhov kev tso cai tsis zoo yuav tsum ua raws li cov lus qhia 6. Qhov zoo ntawm lub hauv paus phaj yuav tsum ua raws li cov kev cai sib xws hauv Table 5.
4) Concrete formwork shuttering plywood (film faced plywood) tau muab faib ua ob qib raws li qhov pom kev ua haujlwm tsis zoo ntawm cov phaj tiav: Cov khoom qib A (cov khoom zoo heev) thiab qib B cov khoom (cov khoom tsim nyog). Qhov kev tso cai tsis zoo yuav tsum ua raws li cov lus qhia 7. Qhov zoo ntawm lub hauv paus phaj yuav tsum ua raws li cov kev cai sib xws hauv Table 5.
5) Qhov saum npoo ntawm lub phaj yuav tsum tau xuab zeb los yog khawb. Yog tias nws tau pom zoo los ntawm tus neeg muag khoom thiab tus neeg yuav khoom, nws tuaj yeem xuab zeb (scraped) lossis tsis sanded (scraped) ntawm ib sab.
6) Qhob formwork shuttering plywood nrog zaj duab xis ntsib plywood resin tiav yuav tsum tau coated nrog cob rau ob sab. Yog hais tias ob sab yog cov qib sib txawv, lawv yuav tsum tau cim kom meej, thiab plaub sab yuav tsum tau coated nrog waterproof ntug sealing xim.
7) Qhob formwork shuttering plywood (coated board) yuav tsum tau coated ntawm ob sab. Yog tias cov qib ntawm ob sab sib txawv, nws yuav tsum tau cim kom meej, thiab plaub sab yuav tsum tau coated nrog waterproof ntug sealing xim.
2. Lub cev thiab cov cuab yeej cuab tam ntawm pob zeb Formwork Shuttering Plywood
Lub cev thiab txhua yam khoom ntawm txhua qib ntawm pob zeb formwork shuttering plywood yuav tsum ua raws li cov kev cai hauv Table 8.
Lub cev thiab cov cuab yeej cuab tam Performance index Table 4
| Kuvnws muaj |
| Tmob plab(mm) | |||||
| ≥12～＜15 | ≥15～＜18 | ≥18～＜21 | ≥21～＜24 | ||||
| Mcov ntsiab lus oisture | % | 6 x14 | |||||
| Dkev xav | t / m3 | INood plywood0.6 ~ 0.65 hli | Xyoob plywood 0.7-0.8 hli | ||||
| Bonding zog | MPa | ≥0.7 | |||||
| Static dabtsi yog khoov zog | Parallel striation | MPa | ≥50 | ≥45 | ≥40 | ≥35 | |
| Transverse striation | ≥30 | ≥30 | ≥30 | ≥ 25 | |||
| Modulus ntawm elasticity | Parallel striation | MPa | ≥6000 | ≥6000 | ≥6000 | ≥6000 | |
| Transverse striation | ≥4500 | ≥4500 | ≥4000 | ≥4000 | |||
| Dip stripping kev ua tau zoo |
| Qhov sib npaug ntawm qhov ntev ntawm txhua sab ntawm daim ntawv nplaum daim ntawv veneer thiab plywood nto yuav tsum tsis pub tshaj 25 hli. | |||||
Lus Cim: ① static dabtsi yog khoov lub zog: qhov zoo li qub bending zog yog qhov piv ntawm lub sijhawm dabtsi yog khoov thiab qhov khoov seem modulus ntawm cov qauv hauv qab qhov siab tshaj plaws load. Kev coj tus neeg tsim lub rooj tsavxwm ua piv txwv, thaum tus neeg tsim lub rooj tsavxwm raug kev nyuaj siab, nws yuav ua rau qee yam dabtsi yog khoov. Qhov xwm txheej no hu ua "static dabtsi yog khoov". Lub "static dabtsi yog khoov lub zog" yog hais txog lub zog siab uas lub rooj tsavxwm tsim los ntawm tus txiv neej tuaj yeem dais thaum muaj kev ntxhov siab thiab khoov rau pob txha, uas tau hais hauv MPa. ② Modulus ntawm elasticity, tseem hu ua elastic coefficient, Young's modulus, yog ib qho tseem ceeb tshaj plaws thiab cov yam ntxwv ntawm cov khoom siv elastic, thiab kuj yog ib qho piv txwv ntawm qhov nyuaj ntawm deformation ntawm cov khoom, qhia los ntawm E. ntawm kev ntxhov siab rau qhov sib thooj ntawm cov khoom siv zoo tagnrho ntawm me me deformation.
3.Test method for concrete formwork shuttering plywood
4. Qhov ntev thiab dav, kab pheeb ces kaum, warpage thiab lub cev thiab txhua yam khoom ntawm pob zeb formwork shuttering plywood yuav tsum tau kuaj xyuas raws li qhov yuav tsum tau ua.
Marking, labeling, ntim, tsheb thauj mus los thiab cia cov pob zeb formwork shuttering plywood
Cov cim, daim ntawv lo, ntim khoom, kev thauj mus los thiab khaws cia ntawm cov pob zeb formwork shuttering plywood yuav tsum ua raws li cov cai. Cov qhab nia stamped nrog tus lej yuav tsum ua raws li qib ntawm cov phaj.
1. Kev txheeb xyuas ntawm pob zeb formwork shuttering plywood
Nyob rau sab xis sab xis los yog sab ntawm txhua lub pob zeb formwork shuttering plywood backplane, indelible number case yuav tsum tau affixed nrog cov cim qhia cov qeb, qib, formaldehyde emission theem, chaw tsim tshuaj paus code, inspector code thiab ntau lawm hnub ntawm lub pob zeb formwork shuttering plywood.
Qib qhab nia siv "zoo heev" thiab "tsim nyog" los sawv cev rau txhua qib ntawm pob zeb formwork shuttering plywood feem.
Formaldehyde emission theem yog cim nrog E0, E1 thiab E2 feem.
Lus Cim: formaldehyde yog ib hom tshuaj lom neeg. Yog hais tias cov ntsiab lus nyob rau hauv cov huab cua mus txog ib tug tej yam concentration, nws yuav ua phem rau tib neeg lub cev. Nws yog tsuas yog siv nyob rau hauv cov txheej txheem tsim khoom ntawm cov khoom sib xyaw thiab ua lub luag haujlwm sib txuas (cov neeg tsim cov phaj siv cov nplaum thiab muaj formaldehyde). Nyob rau hauv txoj kev no, formaldehyde muaj nyob rau hauv lub tsev cov ntaub ntawv yuav tsis volatilize tam sim ntawd, tab sis maj mam volatilize vim txawv kub thiab av noo tej yam kev mob, nrog ib tug volatilization lub sij hawm ntawm ntau tshaj kaum xyoo. Nyob rau hauv ib qho chaw uas muaj formaldehyde concentration ntau dhau mus ntev, formaldehyde yuav ua rau pom kev puas tsuaj rau tib neeg lub qhov muag, qhov ntswg thiab ua pa los yog ua rau tib neeg raug mob ntawm daim tawv nqaij. Cov txiaj ntsig ntawm kev sim tsiaj kuj pom tau tias kev tso tawm formaldehyde ntau dhau tuaj yeem ua rau mob qog noj ntshav hauv qhov ntswg thiab ua pa.
E0, E1 thiab E2 txhua tus xa mus rau ib puag ncig tiv thaiv tus qauv ntawm formaldehyde emission txwv qib
Formaldehyde emission txwv ntawm plywood chav tsev: mg / L
Class mark limit (GB) (Tebchaws Europe) Scope of use
E0 ≤ 0.5 (0.4) mg / l tuaj yeem siv ncaj qha hauv tsev
E1 ≤ 1.5 (1.0) mg / l tuaj yeem siv ncaj qha hauv tsev
E2 ≤ 5.0 (4.0) mg / l tuaj yeem siv sab hauv tsev tom qab ua tiav
2. Daim ntawv lo ntawm qhob formwork shuttering plywood
Txhua pob ntawm pob zeb formwork shuttering plywood yuav tsum tau sau nrog cov chaw tsim khoom npe, chaw nyob, cov khoom npe, cov cim lag luam, cov khoom lag luam tus lej, cov lus qhia, hom ntoo, qeb, qib, formaldehyde emission qib, pes tsawg nplooj ntawv, hnub tsim khoom, thiab lwm yam.
3. Ntim ntawm qhob formwork shuttering plywood
Qhob formwork shuttering plywood yuav tsum tau ntim nyias raws li ntau pawg, hom ntoo, specifications, qib, formaldehyde emission theem thiab batch tooj thaum tawm hauv lub Hoobkas. Txhawm rau tiv thaiv lub ntsej muag ntawm lub ntsej muag los ntawm kev stains, lub vaj huam sib luag ntawm pawg thawj coj saib sab nrauv yuav tsum sab sab hauv thaum ntim khoom. Qhob formwork shuttering plywood nrog tshwj xeeb yuav tsum tau ntim raws li kev pom zoo ntawm tus neeg muag khoom thiab tus neeg yuav khoom.
4.Transportation thiab cia ntawm qhob formwork shuttering plywood
Qhob formwork shuttering plywood yuav tsum tau thauj los ntawm kev huv, qhuav thiab npog txoj kev thauj.
Qhob formwork shuttering plywood yuav tsum tsis txhob cuam tshuam los ntawm ya raws thaum thauj thiab khaws cia, thiab yuav tsum tiv thaiv tib neeg thiab txhua yam kev puas tsuaj thaum tuav.
Daim ntawv ntxiv: pob zeb formwork shuttering plywood mobilization txais txheej txheem
(1) ua ntej xyuas tias lub cim, daim ntawv lo thiab pob ntawm pob zeb formwork shuttering plywood yuav tsum ua raws li cov kev cai ntawm gb/t9846.6-2004. Cov qhab nia stamped nrog tus lej yuav tsum ua raws li qib ntawm cov phaj. Cov kev ua tau zoo yuav tsum ua raws li cov qauv kev ua tau zoo (los ntawm kev khaws cia thiab tshuaj xyuas ntawm lub Hoobkas daim ntawv pov thawj thiab cov ntawv xeem ntawm cov pob zeb ua haujlwm kaw lub plywood).
(2) zoo li tus qauv tshuaj xyuas zoo (los ntawm kev soj ntsuam thiab tshuaj xyuas): yuav tsum tsis txhob lwj, mildew thiab hlwv ntawm ib qho twg. Yuav tsum tsis muaj board ntug defect los yog fuzzing. Degumming ntawm veneer ib square meter yuav tsum tsis txhob ntau tshaj 0.001m2. Qhov chaw qias neeg ib square meter yuav tsum tsis txhob ntau tshaj 0.005m2.
(3) xa mus rau qhov thib ob qhov yuav tsum tau muaj rau kev qhia tshwj xeeb thiab kev tshuaj xyuas qhov ntev.
Post lub sij hawm: Jun-03-2022