GRP suav hais tias yog cov khoom siv ntau yam thiab ua tau zoo tshaj plaws rau ntau yam kev siv. Paub los ntawm tej nkoj nquam, ntim khoom thiab qee zaum txawm tias lub tsheb, nws muaj cov khoom zoo heev los tsim lub pas dej uas ruaj khov thiab ruaj khov. Rau txhua tus nyiam ua vaj tsev thiab cov neeg nyiam hauv pas dej uas xav tsim lawv lub pas dej lub tais, peb muab cov lus qhia muaj txiaj ntsig ntawm kev ua haujlwm nrog fiberglass lev thiab resin.
GRP yog dab tsi?
Yuav kom muaj peev xwm faib thiab nkag siab cov lus qhia hauv qab no kom raug, koj yuav tsum xub nco ntsoov tias GRP cov ntaub ntawv sib xyaw yog dab tsi thiab cov tsiaj ntawv uas muab nws lub npe tiag tiag rau.
NOTE:
Feem ntau txhais ncaj qha li iav fiber reinforced yas, cov ntawv luv piav qhia txog cov lus tsim los ntawm lus Askiv "iav fiber" thiab German "Kunststoff". Cov ntsiab lus hauv qab yog tib yam, tab sis thaum muab txhais ua lus German nws yog hu ua "tus phooj ywg cuav".
Cov khoom muaj ob yam tseem ceeb: iav fibers thiab hluavtaws cob. Ob qho khoom siv ua ke tsim cov khoom sib xyaw uas yog tawv, cuam tshuam- thiab poob siab-resistant thiab tuaj yeem tiv taus ntau qhov kev ntxhov siab. Cov ntaub ntawv siv tau yog:
As iav fibers:
- iav ntaub
- Fiberglass lev
As resin:
- Polyester resin
- Epoxy resin
Qhov shaping yog ua los ntawm kev tso cov iav fibers, uas tuaj yeem tom qab laminated nrog cov resin. Nyob ntawm kev ruaj ntseg, cov duab, thiab lwm yam, yuav tsum muaj ntau txheej txheej.
Cov lus qhia rau iav fiber ntau reinforced yas thaum tsim lub pas dej
Tam sim no peb paub dua tias cov khoom siv twg los ua haujlwm nrog, nws yog lub sijhawm los mus rau cov tswv yim tswv yim ua rau lub pas dej ua kom yooj yim dua, nyab xeeb thiab txhim khu kev qha:
Kev tiv thaiv kev noj qab haus huv
Feem ntau pom tias muaj kev ntxhov siab, kev nyab xeeb ntawm kev ua haujlwm thiab yog li kev tiv thaiv kev noj qab haus huv yog qhov tseem ceeb thaum ua cov iav fibers thiab cov khoom siv hluavtaws. Yog vim li cas rau qhov no yog cov khoom siv uas yuav tsum tau ua hauv lub pas dej, nrog rau cov teebmeem ntawm tib neeg cov kab mob uas tuaj yeem tshwm sim los ntawm cov khoom lawv tus kheej:
- tawv nqaij khaus tshwm sim los ntawm cov khoom ntawm cov khoom siv hluavtaws, xws li cov kuab tshuaj, cov tshuaj khi, thiab lwm yam.
- Corrosions ntawm txoj hlab pa tshwm sim los ntawm hnyav vapors
- tawv nqaij khaus vim tso tawm iav fibers
- Kev puas tsuaj rau ob lub qhov muag los ntawm iav hais
- Ua pa nyuaj, ib ntus lossis tas mus li, vim nqus tau fiberglass
Nws yog ib qho tseem ceeb uas yuav tsum tau siv cov kev tiv thaiv tsim nyog los tiv thaiv cov teebmeem tib yam:
- Cov tsom iav tiv thaiv rau txhua qhov haujlwm
- Cov hnab looj tes tiv thaiv rau txhua txoj haujlwm, ua haujlwm nrog cov resins yog tias tsim nyog hnyav-resistant
- Daim npog qhov ncauj tiv thaiv kev ua haujlwm nrog iav fibers, xws li txiav, sib tsoo thiab lwm yam.
- Qhov cua txaus ntawm qhov chaw ua haujlwm vim. Exhalations
- Tsis txhob qhib nplaim taws, piv txwv li luam yeeb thiab lwm yam, vim yog cov khoom tawg yooj yim
TSHIAB:
Qhov kev puas tsuaj uas yuav tsum tsis txhob raug saib xyuas, txawm tias nws yog "tsuas yog" ua haujlwm ib leeg xwb. Qhov kev puas tsuaj tshwm sim feem ntau tsuas yog tshwm sim raws li qhov tshwm sim mus ntev ntau xyoo lossis ntau xyoo tom ntej. Cov haujlwm tshwj xeeb tsis tas yuav ua rau muaj kev puas tsuaj. Hloov chaw, lawv pab txhawb rau daim duab kho mob nrog rau lwm yam.
Kev xaiv cov ntaub ntawv zoo
Raws li twb tau piav lawm, iav fiber reinforced yas tuaj yeem laminated los ntawm cov khoom sib txawv. Ob qho khoom ua ke hauv qab no muaj ntau:
- Epoxy cob + iav ntaub
- Polyester resin + iav mats
Rau lub pas dej, kev sib xyaw ntawm polyester cob thiab iav mats tau pom zoo kom pom tseeb. Cov khoom siv sib xyaw no coj nrog nws qee qhov kev pom zoo kom pom tseeb rau kev tsim kho lub pas dej, uas qhia meej meej nws sib nrug ntawm lwm txoj hauv kev:
- Easy processing of components
- Kev kho sai ntawm cov resin
- Hloov pheej yig dua li epoxy resin thiab iav ntaub
- High longevity
NOTE:
Hauv qhov sib piv rau polyester resin, epoxy resin kuj muaj hnyav-dawb. Txij li thaum ua haujlwm ntawm lub pas dej feem ntau tshwm sim sab nraum zoov, qhov zoo dua no yuav tsis zoo li qhov tsis zoo dua piv rau lwm qhov.
Kev ua haujlwm siab tsis hloov sijhawm siv sijhawm
Yuav kom ua siab ncaj, laminating iav fibers siv hluavtaws cob yuav nyuaj ua tsis tau sanding. Qhov laj thawj yog:
- Mat edges and corners
- Protruding iav fibers thiab fiber bundles
- Ntaus xuab zeb, pob zeb thiab lwm yam txawv teb chaws lub cev
- Txoj kev tsis sib xws
Qhov saum npoo no yuav tsum tau muab tshem tawm los ntawm sanding ob qho tib si ua ntej laminating cov txheej tom ntej thiab ua ntej txheej txheej kawg. Txij li cov txheej txheem no ib txwm cuam tshuam nrog cov plua plav thiab iav, nrog rau lub suab nrov, av thiab kev siv zog feem ntau, kev zam yuav tsum tau tiv thaiv kom deb li deb tau. Qhov no ua tiav los ntawm kev ua haujlwm ceev faj thiab ua siab ntev. Hauv kev nthuav dav koj yuav tsum
- Paj mats tsis muaj kinks lossis wrinkles
- ua kom thaj chaw ua haujlwm huv si
- Tawm ua haujlwm rau hnub tsis muaj cua
- Yog muaj. nqus cov ntaub so ntswg dua ua ntej siv cov resin
Cov khoom sib xyaw kom tau txais txiaj ntsig zoo dua
Muaj cov khoom sib txawv ntawm cov iav mats rau txhua daim ntawv thov. Rau siab load peev xwm, cov no yog ntxhib, tuab lev, rau finer duab lawv yog softer lev nrog ib tug nyias nyias. Txhawm rau txhim kho cov txiaj ntsig ua haujlwm, cov khoom sib txawv no tuaj yeem ua ke:
- Tub iav mats rau txheej txheej ntawm lub pas dej
- nyias iav mats li txheej saum toj kawg nkaus nrog smoother nto
- Cov pam nruab nrab tuab los txhawb cov txheej sab saum toj ntawm cov ntsiab lus tseem ceeb, xws li cov kwj deg lossis cov duab tawm tsam
Thaum kawg, cov khoom thicknesses ntau dua yuav raug tsim los ntawm cov khaubncaws sab nraud povtseg ntxiv, tab sis kev siv zog rau kev ua haujlwm tom qab tuaj yeem txo qis.
Pigments li kev tiv thaiv tshav ntuj
Txawm hais tias ntsia saum toj los yog hauv qab dej, hluavtaws cob thiab iav ntaub muaj hnub nyoog thaum raug tshav kub, txias thiab, qhov tseem ceeb tshaj, UV hluav taws xob. Thaum tshav kub thiab txias tiv thaiv twb tiav los ntawm lub pas dej da dej, kev laus ntxov ntxov tuaj yeem tiv thaiv tau los ntawm kev tiv thaiv cov khoom los ntawm cov teeb meem teeb meem nrog cov txheej txheem tiv thaiv. Qhov kev tiv thaiv no tuaj yeem ua tiav los ntawm kev sib xyaw ntawm ob qhov ntsuas:
- Coloring the resin for the final laminate layer with black pigment
- Daim ntawv thov ntawm lub tsho tiv no ntxiv ua lub tsho sab saum toj nrog cov xim dub dub
Nws yog ib qho tseem ceeb uas yuav tau xyuam xim rau UV-resistant thiab, tseem ceeb tshaj, UV-shielding pigment. Cov ntaub ntawv ntsig txog tuaj yeem tau txais los ntawm cov tuam ntxhab thiab cov muag khoom ntawm GRP cov khoom.
Kev puas tsuaj los ntawm cov qauv tsim
Cov pas dej yas yuav tsum ua kom lub vaj zoo sib xws thiab sib haum xeeb. Ntau yam ntawm cov qauv tsim yog xav tau rau qhov no, los ntawm cov lauj kaub cog rau pob zeb rau cov duab puab zoo nkauj. Raws li tawv raws li cov iav fiber reinforced yas khoom yog, nws reacts rhiab heev rau taw tes loads los ntawm cov npoo, ces kaum los yog tsawg kawg nkaus tiv tauj nto thiab tej zaum kuj txawm tsim kua muag thiab tsim lub qhov. Yog li ntawd, thaum siv cov khoom zoo li no, nws tsim nyog siv cov txheej txheem tiv thaiv nruab nrab, piv txwv li ua los ntawm:
- Rubber
- Impact and tear-resistant film
- Natural material, xws li cork los yog raffia (limited shelf life!)
- Pavement slabs ua los ntawm pob zeb lossis pob zeb dag
TSHIAB:
Ntau lub mats tiv thaiv no muaj lawv tus kheej buoyancy thiab yuav tsum tau khaws cia nyob rau hauv dej ib ntus ua ntej lawv hnyav los ntawm cov ntsiab lus los txhawb. Loj, round pebbles, xws li cov feem ntau siv nyob rau hauv eaves strips nyob ib ncig ntawm lub tsev, yog haum rau qhov no.
Laminating pas dej qhia
Preparatory work
- Cia li khawb av!
- xov av yuav tsum ruaj khov!
- Qhia ib lub txaj nyias nyias.
- Tshwj tsis yog plastering lub txaj xuab zeb, plastering mortar tuaj yeem siv tau, tshwj xeeb tshaj yog rau qhov chaw ntxhab.
Tau zaj movie thiab laminate nws
- Kab saum npoo nrog polyester zaj duab xis (0.2 hli)!
- Tsis muaj ntawv yuav tsum tau rau ntawm plastered nto.
- Qhov saum npoo yuav tsum qhuav!
- Laminate thawj iav lev - nqa daim ntawm li 1 x 1 meter los yog me me, muab tso rau hauv zaj duab xis thiab tsau lawv nrog resin!
- Cov resin ua ib lub hardener yuav tsum tau dosed heev precisely! Nws yog qhov zoo tshaj los ntsuas nws.
- Nws yog qhov zoo tshaj plaws los siv cov thoob yas.
- Sib tov cov khoom kom zoo!
- Tsis txhob sib tov ntau tshaj 20 feeb tom ntej!
- Yob tawm txhua lub hnab pa kom huv si! Cov mats yuav tsum tau ntub dej zoo!
- Ntawm no yog koj li cas nrog tag nrho lub pas dej ib thooj
- Cov cuab yeej yuav tsum tau ntxuav hauv styrene ib ntus
- Kev kho yuav siv sij hawm 3 mus rau 5 teev. Nws yog qhov zoo dua kom cia txhua yam qhuav thaum hmo ntuj.
- Qhov twg npuas tau tsim, xuab zeb thaj chaw, suav nrog qhov chaw xuab zeb tawm ntawm cov resin lossis ntawm fibers!
- Ntau cov khaubncaws sab nraud povtseg. Feem ntau 2 mus rau 3 lub tsho loj txaus.
- Qhov tiav yog txheej iav lev 225 g / m², uas yog tsau nrog cov xim dub. Cov txheej txheem kawg (225 g / m²) muaj qhov smoother dua li qhov qub 450 mats.
- Xuab zeb tawm ntawm qhov tsis sib xws lossis qhov nce siab!
- Thaum kawg, lub pas dej tau pleev xim rau cov xim dub.
