Infrastructure tuam txhab uas muag leverage ntau xyoo ntawm kev paub thiab mob siab rau rau kev txhim kho infrastructure tej yaam num nrog ib tug thoob plaws lub teb chaws network ntawm precast chaw.
Precast qhob panels yog siv nyob rau hauv ntau yam prefabricated structural Cheebtsam, nrog rau cov phab ntsa, ru tsev, pem teb, beams, staircases, thiab tunnels. Cov hlau ua raws li ib qho kev xaiv. Txawm li cas los xij, pob zeb ua haujlwm raws li kev xaiv nyiaj txiag thiab siv tau.
Precast qhob yog npaj, cam khwb cia, kho, thiab tiav nyob rau hauv adjustable pwm nyob rau hauv ib tug optimized Hoobkas ib puag ncig. Cov panels no muaj ib
tawv sab nrauv tiv taus txhua yam huab cua puag. Nws kuj muab cov ntsiab lus sib txawv los ua ib qho kev ua tiav.
Hauv qhov blog no, koj yuav tau txais kev paub ua ntej hauv kev tsim vaj huam sib luag precast.
Taw qhia ntawm Precast Concrete
Precast qhob vaj huam sib luag yog cov pob zeb ua qauv tsim los ntawm cov cement, ntxiv nrog peb-millimeter galvanized hlau ntawm ob sab los tsim cov pwm ua ntej. Kho cov pwm hauv qhov chaw tsim nyog tsim ib lub vaj huam sib luag ruaj khov. Yog li ntawd, cov pwm raug tshem tawm kom rov siv dua.
Precast qhob yog ntau yam, pheej yig, thiab ua haujlwm tau zoo, tso cai rau cov tsev nyob rau ntau xyoo. Precast qhob factories siv cov pob zeb ua vaj huam sib luag los tsim cov tsev, ua cov qauv lossis cladding.
Hom Panels
Muaj peb hom panels:
● Tag nrho-sandwich panels
● Ib nrab-sandwich panels
● Hollow core panels
Tag nrho-sandwich Panels
Panels nrog ob txheej ntawm precast qhob sandwich ib qho khoom siv insulating (polystyrene lossis polyurethane ua npuas ncauj). Tag nrho-sandwich panels muab thermal thiab suab rwb thaiv tsev, ua rau nws ruaj khov. Tsis tas li ntawd, nws customizes infrastructure los txhim khu kev zoo nkauj thiab functionality.
Ib nrab-sandwichVaj huam sib luag
Panels nrog ib txheej pob zeb yuav tsum tau rwb thaiv tsev ntxiv nrog rau kev ua tiav. Nws yog sab nrauv phab ntsa vaj huam sib luag coj cov pob zeb ua vaj tse thiab windproof.
Hollow Core Panels
Hollow core panels npog lub ru tsev, hauv pem teb, thiab phab ntsa raws li cov tub ntxhais ua haujlwm ua qhov cua lossis cua sov. Cov panels no muaj lub teeb yuag thiab tsim kom muaj txiaj ntsig zoo.
Precast Concrete Panels ManufacturingTxoj kevs
Ib qho ntawm ob txoj hauv kev tuaj yeem siv rau kev tsim vaj tsev precast:
● Txoj Kev Sawv Cev
● Flow Method
Txoj kev sawv ntsug
Nyob ruaj ruaj pwm nyob rau hauv uas ntau yam kev tsim khoom yog nqa tawm. Tsis muaj pwm txav thaum txhua qhov kev tso kawm, kho, thiab ua tiav theem tshwm sim ib txhij.
Flow Method
Precast units tau txav mus los ntawm ib qho chaw mus rau lwm qhov, nrog ntau cov txheej txheem txav mus rau hauv kev txiav txim siab thev naus laus zis.
Precast Concrete Manufacturing Stages
Precast qhob panels tuaj nyob rau hauv ntau qhov ntau thiab tsawg, duab, hom, thiab tiav. Cov kws tsim qauv npaj cov pob zeb ua ntej hauv qhov chaw tswj hwm thiab muab tso rau ntawm qhov chaw siv cov txheej txheem siab heev.
Tom qab ntawd lawv kho thiab vibrate nyob rau hauv adjustable thiab reusable pwm, tiav panels, thiab thauj mus rau qhov chaw tsim kho los ntawm mobile cranes.
Theem 1: Engineering
Txhua yam khoom yog tsim los siv cov cuab yeej tsim tshiab thiab cov duab kos kom ntxaws los ntawm 3D computer-aided tsim txheej txheem. Thaum cov duab kos duab tau pom zoo, cov no raug xa mus rau cov neeg tsim khoom los saib xyuas cov khoom.
Theem Ob: Kev sib xyaw ua ke
Cov khoom siv raw, suav nrog pob zeb thiab xuab zeb, tsim cov pob zeb limestone. Beaders nplawm cov khoom xyaw nrog cov cement thiab chemical additives nyob rau hauv ib qho kev tov khoom. Nws hloov mus rau hauv ib tug tuab, gritty sib tov.
Kauj Ruam Peb: Pwm lossis Daim Ntawv Npaj
Ua ntej casting, cov neeg coob siv cov duab sib txawv los luam cov duab tshwj xeeb hauv cov pwm. Cov neeg ua haujlwm ruaj ntseg txhua qhov qhib lossis txiav tawm hauv daim ntawv casting. Tom qab ntawd siv cov tshuaj tsuag tso rau ntawm daim ntawv casting thiab cov duab kom yooj yim nqa cov khoom los ntawm daim ntawv casting.
Tom qab ntawd, high-strength steel cables yog strung thoob plaws hauv daim ntawv casting. Hlau cables rub ib leeg nrog ib tug hydraulic ntaus ntawv mus rau ib tug tshwj xeeb nro.
Kauj Ruam 4: Kev Tsim Kho Lub Cev Muaj Zog
Cov txheej txheem tsim khoom pib nrog kev tsim khoom thiab sib sau ua ke lub tawb rebar. Engineers xaiv cov hlau thiab xa lawv mus rau qhov chaw cia khoom rau kev txiav thiab khoov. Cov rebars no raug txiav hauv qhov ntev kom haum rau cov qauv tsim.
Qhov thib ob, lawv sib sau ua ke thiab khi lawv ua ke. Rebar rods khoov rau hauv loops txuas nrog ib leeg los tsim cov tawb ntev, txhawb nqa tawb. Welded hlau tawb raug txiav mus rau qhov xav tau loj los ntxig rau hauv daim ntawv casting.
Kauj Ruam 5: Kev Tshawb Fawb Ua Ntej
Tom qab txhim kho lub rooj sib txoos, kev tu lub rooj sab laj tuaj tom ntej. Lub mobile crane xaiv thiab tso lub tawb rau hauv daim ntawv casting lub hauv paus kom ruaj khov lub tawb nqa khoom rau kev thauj mus los rau lub rooj sab laj.
Tsis tas li ntawd, cov kws tshaj lij tswj kev ua haujlwm zoo ua cov txheej txheem tshuaj xyuas ua ntej kom pom zoo cov duab kos.
Kauj Ruam 6: Kev Tso Cai Ua Kom Zoo
Hlau khaws cov phab ntsa pob zeb; nws nthuav thiab cog lus thaum huab cua hloov. Qhob kis thoob plaws tag nrho daim ntawv thiab tawb, theem lawv hu ua screed forms, ib leeg-sab qhaub cij.
Tsis tas li ntawd, muab cov nplaum nplaum nplaum nplaum rau ntawm qhov chaw ntawm cov qhaub cij. Ua npuas ncauj rwb thaiv tsev yog studded nrog protrusions kom ruaj ntseg pob zeb. Lwm txheej ntawm steel-reinforced qhob yog kis mus rau hauv daim ntawv casting (ua kom tiav ob lub sandwich).
Ntawm qhov tod tes, cov chaw tsim khoom muaj lub chaw sim ua vaj tse los ua cov khoom siv raw niaj hnub sim thiab tswj kom muaj nuj nqis rau txhua pawg.
Thaum tsim kom muaj ntau qhov sib xyaw ua ke ntawm tus kheej, cov kws tshaj lij hauv kev sim sau cov qauv sib xyaw los kuaj lub zog compression thiab txheeb xyuas qhov zoo ntawm txhua pawg. Cov pob zeb no tau dhau los ntawm ntau qhov kev sim, xws li kev sib kis, txhawm rau txheeb xyuas qhov sib sau ua ke kom zoo thiab tsis sib cais.
Tsis tas li ntawd, qhov kev pom zoo batch yog khaws cia rau hauv lub thoob thiab thauj mus rau hauv daim ntawv casting los ntawm cranes nyob rau hauv pem teb ntau lawm. Pob zeb yog tso cai rau ntws yam tsis muaj cua nkag.
Theem Xya: Vibrating rau Concrete Compaction
Thaum qhov zoo tshaj plaws thiab qhov xav tau lub zog ntawm cov pob zeb tau txais, pokers lossis sab nraud vibrators compact pob zeb los ntawm qhov siab.
Kauj Ruam 8: Kho & Ua tiav
Muab cov pob zeb tso rau ntawm daim ntawv kom pib kho thiab ua tiav. Nws suav nrog cov khoom tarping thaum hmo ntuj kom ntes cua sov los ntawm cov txheej txheem hydration. Raws li qhov chaw tsim khoom muaj kev tswj hwm ib puag ncig, yog li nws pab kho lub zog tsim tag nrho.
Tom qab 12 teev, cov qauv pob zeb ruaj khov txaus los lis. Cov neeg ua haujlwm sandblast rau ntawm qhov chaw sab nrauv tshem tawm cov cement kom nthuav tawm cov aggregate, tsim kom zoo nkauj band.
Kauj Ruam 9: Tshem tawm
Cov txheej txheem stripping pib thaum cov kws tshaj lij pom zoo tias cov khoom tau mus txog qhov xav tau lub zog ntawm 2500 txog 3000 psi.
Thaum lub sij hawm stripping, cov kws kho mob qhib lub tsho sab nrauv, kaw lub hauv paus hauv paus, muab cov khoom nqa nqa, thiab tshem tawm cov khoom los ntawm daim ntawv casting.
Kauj Ruam 10: Tom qab kev tshuaj ntsuam xyuas
Tom qab tshem tawm cov khoom, nws ntxuav thiab tom qab ncuav tshuaj xyuas kom ntseeg tau tias tag nrho cov qauv tsim tau raug tswj xyuas, thiab tsis pom qhov tsis zoo. Tom qab ntawd nws tau sau npe thiab thauj mus rau yards cia rau hauv dunnage kom txog thaum tus neeg siv khoom xav tau cov khoom.
Thaum tus neeg siv khoom npaj tau txais cov khoom, nws tau thauj khoom ntawm lub tsheb thauj khoom thiab khi kom zoo rau kev xa khoom thiab xa mus rau qhov project site.
Qib Kaum Ib: Kev Tswj Xyuas Tag Nrho
Ua raws li cov hauv qab no kom khiav tag nrho cov khoom tsim tau zoo:
● Siv ib txoj kev siv tshuab cyclic los tswj kev ceev thiab kev lag luam
● Txhim kho mechanization los txhim kho qhov zoo thiab tsim tau
● Siv cov khoom zoo rau kev tsim khoom zoo
● Siv txoj hauv kev kom txo qis kev cuam tshuam, xws li huab cua hnyav
● Txhim kho cov neeg ua haujlwm txoj haujlwm ua haujlwm
Cov khoom siv hauv Precast Concrete
Cov khoom siv hauv cov pob zeb precastmanufacturing txheej txheem muaj xws li:
Cement
Nws yog cov khoom tseem ceeb ntawm cov pob zeb precast. Lub koom haum National Precast Concrete (NPCA) tau teeb tsa qhov zoo uas cov chaw tsim khoom cement yuav tsum ua haujlwm hauv kev tsim khoom. Cov neeg tsim khoom siv Ordinary Portland Cement qib 43 thiab 53 hauv cov pob zeb ua ntej.
Dej
Dej tus piv txiav txim siab superiority ntawm precast pob zeb. Cov dej ntshiab nrog xoom impurities tsim cov khoom siv ruaj khov; txwv tsis pub, nws degrades qhov sib tov.
Ua ke
Hom aggregate yog tshwj xeeb rau precast qhob vaj tse. Cov thawj tswj hwm qhov project txiav txim siab qhov sib sau ua ke raws li kev ua haujlwm ntev, lub zog, xim, thiab kev ntxhib los mos.
Cov khoom siv ntxiv pab txhawb kom muaj zog:
Crystalline Waterproofing Admixtures
Cov khoom sib xyaw no tsis tso cai rau dej ua rau lub vaj huam sib luag precast puas. Nws yog siv los tsim cov phab ntsa, ru tsev, thiab septic tanks.
Oxide
Thaum cov vaj huam sib luag precast npaj rau kev teeb tsa, oxide pigments tsim cov xim sib txawv hauv cov khoom.
Steel leeg
Cov leeg tsis muaj kab mob ua rau muaj zog adhesion ntawm precast qhob thiab hlau. Cov kev txhawb zog no yuav tsum tau coated los tiv thaiv hlau corrosion.
Reinforcement bars
Cov pob zeb pob txha pob txha ntxiv dag zog rau cov khoom kom tiv taus cov xwm txheej hnyav. Cov no muaj nyob rau hauv cov qauv sib txawv, nyob ntawm tus qauv.
Cov pob qij txha
Cov no ntxiv dag zog rau cov qauv tsim kom muaj precast qhob stability thiab lub zog.
Fibers
Fibers, xws li steel los yog polymeric fibers, ua raws li kev txhawb nqa los tswj lub precast qhob lub zog.
Lub teeb yuag
Thaum cov neeg siv khoom xav tau cov qauv tsim lub teeb, lub teeb yuag aggregate txo qhov ntom thiab qhov hnyav tag nrho ntawm cov pob zeb.
Epoxy grouts
Epoxy ntxiv lub zog muaj zog rau precast pob zeb. Raws li cov khoom ntawm epoxies sib txawv, yog li cov kws tshaj lij saib xyuas ua ntej ntxiv.
Cov khoom siv hauv Precast Concrete Panels
Great Magtech (Xiamen) Electric Co.
Shuttering Magnet Formwork System Precast Concrete Magnets
Precast qhob hlau nplaum yog siv rau hauv cov qauv formwork. Shuttering hlau nplaum muaj qhov sib nqus system nrog 250x lub zog kom nrawm rau sab rail profile. Cov stainless hlau khawm hlau nplaum no muaj cov adapters customized los txhim kho efficiency.
Nta:
● Yooj yim installation
● Tsis tas yuav tsum tau vuam
● Reusable
● Tus nqi qis
2100 kg Precast Concrete Shuttering Magnet Rau Qhob Formwork
Thaum pouring pob zeb, precast qhob hlau hlau nplaum ruaj ruaj rau cov panels los tiv thaiv cov cement ntws tawm ntawm daim ntawv casting. Cov kws ua haujlwm tswj xyuas qhov sib nqus adsorption quab yuam los ntawm on lossis off controller nyees khawm ntawm qhov chaw ntawm lub thawv sib nqus.
Nta:
● Kev ua haujlwm siab
● Customizable
● Yooj yim
● Yooj yim & yooj yim
Peb cov neeg siv khoom Thaib siv cov xwm txheej
Precast Concrete Formwork Rau Phab Ntsa Vaj Huam Sib Luag
Cov pob zeb no txuas rau thawj thiab thib ob phab ntsa panels, tsim kom muaj kev sib raug zoo. Nws yog ua los ntawm formwork steel tuav thiab ib lub tshuab nqus nqus nqus khob.
Nta:
● Moisture-pov thawj
● Kev siv siab heev
● Stable & nyab xeeb
● Pheej yig
Kev siv cov hlau nplaum formwork
Lifting Eye Anchors For Precast Concrete
Qhov muag underfoot kis nro loads rau hauv cov pob zeb kom muaj kev nyab xeeb nqa hauv cov ntu nyias. Lifting qhov muag anchors tuav lub teeb yuag pob zeb slabs thiab pob zeb ua kom muaj zog hauv qab 2000 psi.
Nta:
● Tsis siv neeg ntsia liaj qhov rooj pub
● Sturdy & ruaj khov
● Yooj yim rau nruab
Embedment Phaj Precast Concrete Steel Embed Phaj
Steel embedment daim hlau muab cov vaj huam sib luag ua vaj huam sib luag los tsim lub hauv paus ntawm cov qauv steel, tshwj xeeb tshaj yog cov khoom siv dock. Cov hlau embed daim hlau no tau teeb tsa ua ntej cov pob zeb tau nchuav los ntxiv dag zog rau cov npoo ntawm cov pob zeb.
Nta:
● High-quality
● Customizable
● Tus nqi tsim nyog
Lifting anchors thov
Hlau Rope Lifting Loof Rau Precast Concrete Elements
Anchoring hlau hlua nyob rau hauv precast qhob tsim ib tug threaded kev twb kev txuas, pab tau prefabricated pob zeb ntsiab lus los ntawm ncaj rub. Lub voj lifting withstands 45 degree nqa thaum rub lub qhov (socket) nrog xov.
Nta:
● High-qib steel hlau
● Ntau yam
● Galvanized
Lifting daim ntawv thov
Yog xav paub ntxiv, thov nias daim duab hauv qab no tiv tauj peb
Hom Precast Concrete Structures
Thaum cov vaj huam sib luag precast tau tsim, lawv tau siv ntau yam precast pob zeb, suav nrog:
● Precast pob zeb phab ntsa thiab panels
● Precast qhob slabs
● Precast qhob kab teeb
● Precast kab
● Precast ntaiv
Vim li cas thiaj xaiv Precast Concrete?
Cov txiaj ntsig ntawm kev siv cov vaj huam sib luag precast tshaj cov khoom siv, cam khwb cia hauv qhov chaw pob zeb:
Kev tsim kho ceev
Precast qhob vaj huam sib luag ua kom ceev cov haujlwm tsim kho. Txawm li cas los xij, nchuav pob zeb thiab kho nws ntawm qhov chaw tsim kho yuav siv ob peb lub lis piam.
Tam sim no npaj-rau-nruab precast cov khoom ua rau kev tsim kho kom yooj yim dua yam tsis siv sijhawm.
Lub zog
Ntxiv cov khoom siv dej tsis sib haum, cov khoom siv dag zog, thiab lwm yam khoom siv ua rau lub zog thiab lub zog hauv cov pob zeb ua ntej.
Tswj ib puag ncig
Hauv cov chaw tsim khoom precast, cov chaw tsim khoom ua tib zoo tswj ib puag ncig kom ua tiav cov txheej txheem kho.
Kev Tswj Xyuas Zoo
Cov neeg tsim khoom tsis muaj sijhawm txaus los saib xyuas cov precast qhob zoo hauv cov haujlwm loj. Yog li, precast manufacturers tsuas yog tsom rau ntawm cov khoom zoo los ntawm kev tswj cov txheej txheem zoo.
Nqi-zoo
Cov phiaj xwm hauv tsev yuav tsum muaj sijhawm ntau dua, ua rau muaj zog thiab nqi zog. Precast qhob txuag ob qho tib si, nyiam qhov project ceev.
Kev xaiv tsim
Cov neeg tsim khoom tsim cov khoom zoo nkauj siv cov pwm tshwj xeeb ntawm cov duab sib txawv thiab ntau thiab tsawg.
Xaus
Txawm hais tias koj tab tom nrhiav kev yooj yim-rau-nruab thiab muaj zog panels, precast qhob vaj huam sib luag tau yog cov kev daws teeb meem zoo tshaj plaws rau cov engineers, cov neeg cog lus, thiab cov neeg siv khoom. Koj tuaj yeem tsim cov qauv vaj tse uas tau teev tseg uas siv cov pob zeb zoo thiab cov khoom siv tsis muaj kev cuam tshuam zoo, lub zog, thiab tus nqi.
