Cov khoom siv sib xyaw manhole npog yog ib hom kev tshuaj xyuas manhole npog, thiab nws cov yam ntxwv tau piav qhia: kev tshuaj xyuas manhole npog yog sib xyaw los ntawm qee cov txheej txheem siv polymer ua cov khoom siv matrix, ntxiv cov khoom siv ntxiv, muab tub lim, thiab lwm yam.
Qhov tseeb, resin manhole npog (tseem hu ua polymer iav fiber reinforced yas manhole cover / composite material manhole cover) yog ib hom manhole npog uas siv iav fiber ntau thiab nws cov khoom (iav ntaub, daim kab xev, xav, xov paj, thiab lwm yam) raws li reinforcing cov ntaub ntawv thiab cov khoom siv hluavtaws ua cov khoom siv matrix.Nws muaj unsaturated polyester resin, fillers, initiators, thickeners, tsawg shrinkage additives, zaj duab xis pwm tus neeg saib xyuas, pigments thiab reinforcing cov ntaub ntawv, thiab lwm yam.
Ntawm cov khoom siv ntxiv, cov khoom siv fiber ntau (iav daim ntaub, daim ntaub, muaj kev xav, xov paj, thiab lwm yam) yog cov tseem ceeb, uas yog qhov tshwj xeeb me me, lub zog tshwj xeeb thiab cov qauv tshwj xeeb.Piv txwv li, cov khoom sib xyaw ntawm carbon fiber thiab epoxy resin, nws lub zog tshwj xeeb thiab cov qauv tshwj xeeb yog ob peb zaug loj dua li cov hlau thiab txhuas alloy, thiab nws kuj muaj tshuaj lom neeg ruaj khov, tiv thaiv kev sib txhuam thiab hnav tsis kam, nws tus kheej lubricating, Thaum tshav kub kub tsis kam, qaug zog tsis kam, tsis kam Creep, suab nrov txo, hluav taws xob rwb thaiv tsev thiab lwm yam khoom.Qhov sib xyaw ntawm graphite fiber thiab resin tuaj yeem tau txais cov khoom siv nrog kev nthuav dav coefficient yuav luag sib npaug rau xoom.Lwm qhov tshwj xeeb ntawm cov khoom siv fiber ntau yog anisotropy, yog li kev npaj ntawm fibers tuaj yeem tsim raws li lub zog xav tau ntawm ntau qhov chaw ntawm cov khoom.Cov aluminium matrix composites ntxiv nrog carbon fibers thiab silicon carbide fibers tseem tuaj yeem tuav lub zog txaus thiab cov qauv ntawm 500 ° C.
Composite manhole npog tuaj yeem muab faib ua BMC thiab SMC raws li kev xav tau ntawm kev lag luam, cov txheej txheem ntau lawm thiab cov ntaub ntawv sib txawv:
BMC (DMC) cov ntaub ntawv yog cov khoom siv molding ntau.Nws yog feem ntau hu ua unsaturated polyester bulk molding compound nyob rau hauv Suav teb.Lub ntsiab raw khoom yog lub khob noom cookie zoo li prepreg uas yog tag nrho tov los ntawm GF (chopped iav fiber), UP (unsaturated resin), MD (filler) thiab ntau yam additives.DMC cov ntaub ntawv yog thawj zaug siv nyob rau hauv yav dhau los lub teb chaws Yelemees sab hnub poob thiab lub tebchaws United Kingdom nyob rau hauv 1960s, thiab ces tsim nyob rau hauv lub tebchaws United States thiab Nyiv nyob rau hauv lub 1970s thiab 1980s, feem.Vim tias BMC bulk molding compound muaj cov khoom siv hluav taws xob zoo, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov tshuaj tiv thaiv corrosion, thiab yoog rau ntau yam txheej txheem molding, nws tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm ntau yam khoom, thiab yog siv dav hauv kev tsim tsheb, tsheb thauj mus los, kev tsim kho accessories. , mechanical thiab hluav taws xob khoom thiab lwm yam kev lag luam.
SMC composites yog daim ntawv molding compounds.Cov ntaub ntawv tseem ceeb yog tsim los ntawm GF (xov paj tshwj xeeb), UP (unsaturated resin), qis shrinkage additive, MD (filler) thiab ntau yam auxiliaries.Nws tau tshwm sim thawj zaug hauv Tebchaws Europe thaum xyoo 1960, thiab nyob ib puag ncig xyoo 1965, Tebchaws Asmeskas thiab Nyij Pooj tau ua tiav cov khoom siv tes ua no.Thaum xyoo 1980s, kuv lub teb chaws tau tshaj tawm txawv teb chaws SMC cov kab ntau lawm thiab cov txheej txheem ntau lawm.SMC cov ntaub ntawv sib xyaw thiab lawv cov khoom SMC molded muaj cov khoom siv hluav taws xob zoo heev, cov khoom siv hluav taws xob, thermal stability, thiab tshuaj tiv thaiv corrosion.Yog li ntawd, daim ntawv thov ntau yam ntawm SMC cov khoom yog heev ntau.Txoj kev loj hlob tam sim no yog hloov BMC cov ntaub ntawv nrog SMC cov khoom sib xyaw.
Tam sim no daim ntawv thov ntawm peb resin manhole npog plays lub luag hauj lwm zoo nyob rau hauv peb lub neej, thiab cov resin manhole npog sawv tawm vim hais tias ntawm lawv tus kheej tu muaj nuj nqi.
Kev siv cov resin manhole npog ntawm txoj kev muaj cov yam ntxwv ntawm kev rwb thaiv tsev, tsis muaj suab nrov, tsis muaj nqi rov ua dua tshiab thiab ntuj tsim los tiv thaiv tub sab.Nws yog irreplaceable rau cam khwb cia hlau manhole npog.
Resin manhole npog yog tsim los ntawm cov txheej txheem molding tshwj xeeb, uas ua rau lub nroog zoo li tshiab.Lub neej ua haujlwm yog qhov pib 20-50 xyoo.Cov resin composite manhole npog tsim los ntawm kub molding muaj qhov zoo ntawm lub teeb yuag thiab siab zog, zoo heev qaug zog thiab kev nyab xeeb kev puas tsuaj.Nws muaj qhov zoo ntawm molding yooj yim, tsis tshua muaj suab nrov, zoo tshuaj corrosion kuj, zoo acid thiab alkali tsis kam thiab zoo nkauj tsos, thiab cov pa phem nyob rau hauv cov dej khib nyiab yog ntxiv txo.
Tam sim no nyob rau hauv kev ua lag luam, lub manhole npog tsim los ntawm ntau yam composite manhole npog manufacturers yog ua los ntawm cov ntaub ntawv sib txawv, tab sis ob peb nta zoo sib xws:
1. Muaj zog tiv thaiv kev ua tub sab: Composite manhole npog feem ntau yog ua los ntawm unsaturated resin, iav fiber ntau thiab lwm yam ntaub ntawv los ntawm cov txheej txheem tsim tshwj xeeb, thiab cov khoom tsis muaj nqi rov ua dua.Kev txhawb zog tsis yooj yim li.
2. Kev pab lub neej: Los ntawm kev siv cov khoom siv ua haujlwm siab, iav fiber ntau thiab cov txheej txheem tsim tshwj xeeb, kev nkag mus ntawm cov khoom sib xyaw zoo hauv cov iav fiber ntau yog ua kom ntseeg tau, thiab qhov adhesion ntawm ob yog qhov zoo heev, kom cov khoom siv. yuav tsis puas nyob rau hauv qhov kev txiav txim ntawm cyclic load.Kev puas tsuaj sab hauv tshwm sim, yog li ua kom lub neej kev pab cuam ntawm cov khoom thiab tib qhov zoo ntawm lwm cov resin composite manhole npog, zoo tshem tawm qhov tsis zoo ntawm cov adhesion tsis zoo.
3. Kub / kub tsis kam, zoo rwb thaiv tsev kev ua tau zoo thiab muaj zog corrosion kuj: cov khoom yog corrosion-resistant, non-toxic thiab harmless.Tsis muaj hlau additives.Nws tuaj yeem siv rau hauv qhov nyuaj thiab hloov tau, hnyav thiab xav tau qhov chaw.Lub manhole npog tsim los ntawm Bester composite manhole npog manufacturers tau raug kuaj los ntawm cov koom haum soj ntsuam lub teb chaws, thiab muaj cov kua qaub thiab alkali tsis kam, corrosion resistance, anti-aging thiab ntau lwm yam kev ntsuas uas ua tau raws li cov khoom zoo.
4. Zoo nkauj thiab ua tau zoo, qib siab: raws li qhov xav tau ntawm cov neeg siv khoom siab, peb tuaj yeem ua cov LOGO nyuaj thiab ntau yam xim rau ntawm qhov chaw ntawm tib lub manhole npog tus kheej tsim, kom cov qauv yog ilv, xim yog kaj thiab meej.Raws li cov neeg siv khoom xav tau, nws tuaj yeem ua rau ntau yam imitation pob zeb tshwm thiab xim uas zoo ib yam li ntau yam pob zeb pavements.
5. Lub peev xwm muaj zog: Lub hauv qab tau txais cov qauv tsim tshwj xeeb, thiab cov khoom siv txuas ntxiv txuas ntxiv yog tsim los ntawm cov khoom siv los xyuas kom meej tias cov ntaub fiber ntau thiab iav fiber ntau sib xyaw ua ke, yog li cov khoom muaj peev xwm muaj peev xwm.
6. Kev tiv thaiv ib puag ncig, tsis plam, tsis tshua muaj suab nrov: lub hau npog yuav tsis plam tom qab lub tsheb dov, thiab yuav tsis muaj lub suab nrov nrov thiab muaj kuab paug.
Thaum txhim kho lub hau npog manhole, ua raws li plaub kauj ruam no:
1. Ua ntej installation, lub hauv paus ntawm lub manhole npog yuav tsum zoo huv si thiab ruaj, thiab lub puab txoj kab uas hla, ntev thiab dav yuav tsum tau txiav txim raws li qhov loj ntawm lub manhole npog.
2. Thaum txhim kho qhov sib xyaw manhole npog rau ntawm txoj kev cement, ua tib zoo saib xyuas lub qhov dej ntawm lub taub hau masonry yuav tsum tau nchuav nrog pob zeb, thiab lub nplhaib tiv thaiv pob zeb yuav tsum tau tsim nyob rau ntawm qhov chaw rau kev saib xyuas li 10 hnub.
3. Thaum txhim kho manhole composite npog ntawm asphalt pavement, yuav tsum tau them nyiaj mloog kom tsis txhob muaj kev tsim machinery ncaj qha dov lub manhole cover thiab lub qhov dej lub rooj kom tsis txhob muaj kev puas tsuaj.
4. Yuav kom tswj tau qhov zoo nkauj ntawm lub manhole npog thiab cov ntawv sau thiab cov qauv, yuav tsum ceev faj kom tsis txhob stain lub manhole npog thaum pouring asphalt thiab cement ntawm txoj kev.
txoj kev loj hlob:
(1) Nws lub zog yog thib ob tsuas yog cov pob zeb yas manhole npog.Nws tuaj yeem nqa ntau tshaj 40 tons ntawm tsheb.
(2) Nws txoj kev ua tau zoo yog nyob nruab nrab ntawm lub pob zeb-yas manhole npog thiab cov pob zeb manhole npog, uas zoo dua li cov pob zeb;nws tuaj yeem siv tau rau hauv lub sijhawm uas muaj kev xav tau siab rau manhole npog.
(3) Nws qhov txiaj ntsig zoo tshaj plaws yog tias nws tsis siv cov pob txha pob txha, tab sis ntxiv nrog cov iav fiber ntau sib xyaw, uas belongs rau GRC hom khoom.Yog li ntawd, nws muaj qhov zoo ntawm qhov tsis muaj kev cuam tshuam thaum tus nqi ntawm cov hlau txuas ntxiv nce.Vim tias nws tsis muaj cov hlau me me, nws muaj kev tiv thaiv tub sab ntau dua li pob zeb yas thiab fiber ntau pob zeb manhole npog.
(4) Nws curing ceev yog ob peb zaug sai dua li ntawm fiber ntau pob zeb, thiab nws tuaj yeem demolded hauv 8 teev.Yog hais tias nws yog tsim nyob rau hauv peb hloov, nws yuav demolded peb zaug nyob rau hauv 24 teev.Txawm hais tias tus nqi ntawm cov pwm yog ntau tshaj li ntawm cov pob zeb yas, nws tsuas yog 1/6 ntawm fiber ntau pob zeb manhole npog.Nws kuj tuaj yeem txo cov pwm peev.Nrog rau kev tso tawm txhua xyoo ntawm 10,000 teeb ntawm manhole npog, tsuas yog 10 txheej pwm yuav tsum tau ua.
(5) Qhov sib xyaw manhole npog yog qhov zoo tagnrho, siab dua, thiab tsis sib xws nrog lwm cov pwm (xws li roj hmab pwm, yas pwm, iav fiber ntau ntxiv yas pwm).
(6) Nyob rau hauv kev txhim kho txuas ntxiv thiab hloov tshiab ntawm kev sib xyaw manhole npog, ntau qhov ntsuas tau dhau qhov kev lag luam tus qauv ntawm Ministry of Construction, thiab pib mus txog tus qauv zoo ntawm kuv lub teb chaws manhole npog kev lag luam.
Ms.Serafina +86 15102806197
Lub sij hawm xa tuaj: Plaub Hlis-23-2022
