Dab tsi yog prefast pob zeb ua?
Precast qhobyog ib qho kev tsim kho tsim los ntawm casting pob zeb ua hauv cov khoom siv rov qab los yog tsim kom muaj kev tswj hwm zoo dua, thiab kho kom zoo dua, thiab txo kev tsim kho .
Cov ntsiab lus tseem ceeb
Tswj Zoo:Ua kom muaj zog, ua tiav, thiab durability .
Kev siv nrawm:OFF-SITE FABRICATION tso cai rau lub site preps thiab feem ntau lawm ib txhij to taub ib txhij.
Huab Cua Kev ywj xeeb:Los ntawm sab hauv tsev ntau lawm unsaffed los ntawm nag, cua, lossis kub .
Kev Ua Neeg Muaj Peev Xwm:Txo cov khib nyiab, cov ntaub ntawv zoo, thiab feem ntau siv formwork formwork .
Dab tsi ntawm cov phiaj xwm kev siv ua kom precast qhob?
Precast qhob yog siv nyob rau hauv ntau ntawm cov sectors:
| Daim Ntawv Thov Cheeb Tsam | Piv txwv |
|---|---|
| Ua lag luam | Chaw ua hauj lwm vaj tse, khw khw, chaw khaws ntaub ntawv |
| Thaj | Cov Tsev Ua Ntej, Chav Chav Tsev, Villas |
| Cuab Yeej Siv Hluav Taws Xob | Txoj kev loj, cov tunnels, chaw nres tsheb ciav hlau, tshav dav hlau |
| Pej xeem ua haujlwm | Cov tsev kawm ntawv, tsev kho mob, tsoomfwv cov tuam tsev |
| Yam muaj hauj lwm | Cov ntaub ntawv, cov ntoo thauj khoom thauj, cov chav tsev txias |
| Utility / Tso Kua Dej | Cov tso tsheb hlau luam tawm, cable trench, culverts |
| Kho kom zoo nkauj | Cov Panels Facels, Cladding, Architecture Hais |
Cov ntaub ntawv siv hauv cov pob zeb ua kom zoo nkauj
Xi mees
Opp 43 lossis 53 qib, lossis sib xyaw ua ke zoo li PPC rau kev kho kom ntev dua.
Aggregates
Nplua sib xyaw ua ke (xuab zeb), ntxhib agonregates (crushed pob zeb) .
Tsim nyog qhab nia tseem ceeb rau kev sib xyaw kom zoo sib xyaw .
Ywg dej
Potable Zoo, pub dawb los ntawm cov ntsev thiab cov organic .
Kev yoog
Cov hnab yas / Superplasticizers:Ua kom cov haujlwm ua haujlwm ntxiv .
Retarders / Accelerators:Kev tswj lub sijhawm .
Huab cua Entrainers:Txhim kho khov-thaw kuj .
Kev ntxiv rau
Cov hlau me me lossis cov khoom siv ntau zog zog deformed (hysd) tuav .
Prestressing stands rau cov txheej txheem txheej txheem .
Cov Khoom Siv Tsaus Ntuj Ci (SCMS)
Ya tshauv, Silica fume, ggbs los txhim kho durability .
Lwm Cov Ntaub Ntawv
Hauv qee lub tshuab: Fibers (hlau, polypropylene), pigments, hardeners saum npoo .
Dab tsi yog aPrecast qhob Cheebtsam ua tshuab ua tshuab?
Cov no yogcia li tshuab los yog ib nrab tshuab thiab cov tshuabsiv rau kev tsim khoom sib txawv cov neeg ua ntej hauv lub Hoobkas ib puag ncig .
Cov cuab yeej tseem ceeb pawg
| Lub tshuab | Rooj mov |
|---|---|
| Moulding Machine / Formwork Tshuab | Rau panels, kab, kab teeb, phab ntsa thaiv, thiab lwm yam. |
| Tawg Sawb Txom Nyem / Extruder Machine | Kev tsim khoom txuas ntxiv ntawm hollow-ntxhais slabs, kab teeb |
| TILTING COV KAB | Rau cov lauj kaub loj uas xav tau daim ntawv me me |
| Kev co cov chav nyob | Tshem tawm huab cua thiab ua kom muaj zog ntom ntom |
| Pob Zeb Ua Mixers (Planetary / yias) | Homogeneous thiab zoo pob zeb sib xyaw |
| Prestressing txaj | Rau cov tensioning steel cables hauv cov ntsiab prestressed |
| Kev Kho Tshuab | Chav los yog cua kub kho cov pa |
| Txiav thiab Tuav Khoom | Rau ntu cov ntsiab lus loj thiab tshem tawm nyab xeeb |
Cov qauv sib txawv ntawm cov khoom ua kom precast
1. Ntub dej-nrum txoj kev
Ruam:Siab slump (flowable) .
Txheej txheem:Hliv rau hauv cov pwm yoog nrog kev txhawb nqa cov tuav .
Kho:Slower; zoo dua nto tas li ....
Cov Ntawv Thov:Facade ntsiab lus, countertops, kev cai ua ke li .
2. Qhuav-cam khwb cia (xoom khau khiab)
Ruam:Tsawg heev rau xoom slump (txhav) .
Txheej txheem:Kev co / compaction hauv rigid pwm .
Kho:Sai; de-pwmed sai .
Cov Ntawv Thov:Kav dej, Manholes, pavers, curbstones .
3. Autoclaved aerated qhob (AAC)
Khoom:Cement, txiv qaub, ya tshauv, hmoov txhuas (rau aeration) .
Txheej txheem:Moulded, pre-cured, ces kho hauv autoclaves nyob rau hauv chav (180-200 degree, 8-12 ceg) {5 {5 5}
Qhov Zoo:Lub teeb yuag, insulating, yooj yim mus txiav .
Cov Ntawv Thov:Phab ntsa thaiv, ru tsev panels, partitions .
4. Nqus Plua Plav Cov Txheej Txheem
Txheej txheem:Tom qab kev co, lub tshuab nqus tsev tshem tawm huab cua thiab dej tshaj tshaj plaws .
Cov txiaj ntsig:Denser, muaj zog qhob nrog tsawg kawg shrinkage .
Cov Ntawv Thov:Kev ua kom zoo nkauj, nyuaj siab uas muaj zog nyob qhov twg muaj zog thiab kho kom nrawm yog qhov tseem ceeb .
5. Prestressed
Ua ntej:Steel strands nruj nro ua ntej pouring qhob .
Tom qab-Tension:Tendons tensioned tom qab qhob teev .
Qhov Zoo:Ntev dua, thinner seem, siab thauj khoom muaj peev xwm .
Cov Ntawv Thov:Choj girders, teeb ci, pem teb slabs, hollow core cank planks .
Dab tsi yog precast pob zeb ntau lawm cov txheej txheem ntau lawm?
Ntawm no yog akauj ruam-ntawm-kauj ruam tawgNtawm cov txheej txheem precast precast yog tsim:
Tsim & Npaj
Engineering cov teeb kos, cov tsom xam cov khoom siv, cov sijhawm ua haujlwm .
Pwm npaj
Kev ntxuav, thov tso tawm cov neeg sawv cev, txhim kho kev txhawb nqa lossis prest citoring cables .
QHOB BATCHING & NWS
Siv cov tshuab ua tshuab cog rau cov kab mob kom meej .
Nchuav
Pob zeb ua rau cov pwm (ntub dej / qhuav Casting nyob ntawm txoj kev).
Raws li
Kev co los yog nias kom tshem tawm cov hnab ris kom tshem tawm thiab txhim kho lub zog .
Kev kho
Chav kho:Ua kom nrawm lub zog .
Cais kho:Rau cov kab tsis muaj tsheb ntau rau .
Kev puas tsuaj
Ua tib zoo tshem qhob qhob qhob qhob tshuab uas tsis muaj kev puas tsuaj lossis cov chaw .
Nto Xov Xwm
Sib tsoo, polishing, txhuam hniav, lossis sandblasting raws li xav tau .
Tswjhwm Zoo & Kev Tshuaj Ntsuam
Kev kuaj xyuas sab nrauv, lub zog compressive, thiab tsos .
Cia & Tsheb Thauj Mus Los
Stacking kev nyab xeeb thiab tsiv nrog cranes thiab thauj cov tsheb .
Nyob rau hauv-chaw teeb nruab
Siv cranes, bolting, grouting, thiab sib khi ua ke cov khoom .
