Kev Ntsuam Xyuas Ntawm Cov Ntsiab Lus Zoo Ntawm LFT Lub Tsev Formwork Pwm

1. Kev tsim kho zoo heev, ua rau lub sijhawm siv sijhawm luv luv:

Lub teeb yuag ntawm LFT formwork pwm yog lub hauv paus kev txhawb nqa rau kev txhim kho kev tsim kho. Piv nrog rau cov pwm pwm, lawv qhov hnyav yog txo los ntawm ntau dua 30%, thiab txhua daim ntawv tuaj yeem tswj tau nyob rau hauv ntau yam ntawm kev tuav tuav tau yooj yim, tshem tawm qhov xav tau kom nquag xa cov khoom loj - nplai hoisting. Qhov no txo ​​qis cov nqi xauj tsev thiab cov txheej txheem txuas lub sijhawm. Hauv kev siv engineering tiag tiag, hauv 18-zaj dab neeg nyob hauv qhov project, tom qab siv cov qauv no, thaj chaw tau teeb tsa los ntawm cov neeg ua haujlwm ib qho kev hloov pauv tau nce los ntawm 80㎡ nrog cov pwm steel rau 130㎡, ncaj qha kev txhim kho kev txhim kho los ntawm 40%. Lub sij hawm tsim kho formwork rau ib lub tsev yog compressed los ntawm thawj 30 hnub mus rau 18 hnub, tsim kom muaj kev haum xeeb rau kev nkag thaum ntxov ntawm cov txheej txheem tom ntej xws li steel bar binding thiab qhob pouring. Lub caij no, qhov saum npoo ntawm cov formwork, tom qab kev kho kom raug, yog du thiab tiaj tus, thiab qhov ua haujlwm tsis zoo ntawm cov pob zeb ua haujlwm tom qab demolding tuaj yeem tswj tau li ntawm 2 hli, tshem tawm tag nrho cov kev xav tau rau cov txheej txheem plastering theem nrab thiab ntxiv luv luv rau tag nrho cov sijhawm tsim kho.

II. Core Pwm yam ntxwv, tso lub hauv paus rau kev ua tau zoo:

Qhov zoo tshaj plaws kev ua tau zoo ntawm LFT formwork pwm stems los ntawm lawv cov khoom tshwj xeeb muaj pes tsawg leeg thiab cov txheej txheem siab heev. Hais txog cov ntaub ntawv, ntev fiber ntau reinforced thermoplastic composites (LFT) yog siv, nrog fiber ntau ntev ruaj khov nyob rau hauv thaj tsam ntawm 10-25mm, ua ib tug nruj interface daim ntawv cog lus nrog lub matrix resin. Qhov no tsim ib tug siab - lub zog sib xyaw qauv ntawm "ntev fiber ntau reinforced skeleton + resin matrix" - khaws cov corrosion kuj thiab formability ntawm resin cov ntaub ntawv thaum ho txhawb nqa tag nrho rigidity thiab qaug zog tsis kam ntawm cov pwm los ntawm kev txhawb nqa nruj thiab kev ntxhov siab cuam tshuam ntawm cov fibers ntev. Nyob rau hauv cov nqe lus ntawm cov txheej txheem, ib zaug txhaj molding los yog compression molding tshuab yog saws, nrog pwm loj qhov tseeb nruj tswj nyob rau hauv ± 0.5 hli, thiab nto roughness tsawg li Ra Less tshaj los yog sib npaug zos rau 1.6μm, kom nruj seams thaum lub sij hawm formwork los ua ke thiab ib tug du nto tiav rau pob zeb. Tsis tas li ntawd, cov pwm muaj kev hloov pauv zoo ib puag ncig, tsis muaj kev pheej hmoo ntawm deformation lossis tawg hauv qhov kub ntawm -20℃txog 60℃thaum lub sijhawm tsim kho, thiab cov khoom tsis nqus dej lossis noo noo, tsis txhob cuam tshuam qhov sib txawv ntawm qhov sib txawv ntawm cov qauv tsim los ntawm kev hloov pauv kub thiab av noo.

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III. Kev ua tau zoo ntawm kev nyab xeeb, ua kom muaj kev nyab xeeb ntawm kev tsim kho:

Kev vam khom rau cov khoom zoo ntawm cov khoom siv ntev fiber ntau thermoplastic (LFT) cov khoom sib xyaw thiab cov tshuab molding meej, cov qauv no ua kom pom cov khoom siv zoo heev - nws lub zog flexural tuaj yeem ncav cuag ntau dua 35 MPa, thiab nws cov kev cuam tshuam tsis zoo yog tsib npaug ntawm cov ntoo formwork thiab ntau tshaj li ob zaug ntawm cov qauv hlau zoo tib yam. Nyob rau hauv ib qho piv txwv ntawm kev tsim kho ntawm tus choj hla tus dej, lub tsheb thauj mus los tsoo rau sab ntawm lub formwork nrog lub zog ntawm 5 kN. Tom qab kev soj ntsuam, tsuas yog khawb me me nyob rau saum npoo ntawm lub formwork, thaum lub hauv paus load-cov qauv bearing tseem nyob zoo yam tsis muaj deformation lossis puas tsuaj, zoo zam kev cuam tshuam kev tsim kho thiab kev nyab xeeb ntawm cov neeg ua haujlwm txaus ntshai los ntawm kev ua tsis tiav. Tsis tas li ntawd, cov khoom siv formwork muaj kev tiv thaiv corrosion zoo heev thiab tsis yooj yim rau xeb lossis rot nyob rau hauv ntub dej, saline -alkali thiab lwm yam kev tsim kho hnyav, ua kom daws tau qhov teeb meem ntawm lub zog attenuation nyob rau hauv ib txwm formwork vim corrosion thiab muab kev ruaj ntseg ruaj khov kev ruaj ntseg guarantees thaum lub sij hawm tsim kho.

IV. Kev tiv thaiv ib puag ncig zoo, raws li lub tswv yim ntawm kev tsim kho ntsuab:

Qhov zoo ntawm ib puag ncig ntawm LFT formwork yog qhov tseem ceeb hauv ob qho tseem ceeb: kev hloov pauv siab thiab rov ua dua tshiab. Nyob rau hauv cov nqe lus ntawm turnover kev ua tau zoo, nyob rau hauv ib txwm thiab kev siv tus qauv, tus nqi turnover tuaj yeem ncav cuag ntau dua 50 zaug, thiab hauv qee qhov haujlwm nrog kev tswj xyuas nruj, nws tuaj yeem ncav cuag 80 zaug. Qhov no deb tshaj li ntawm 5-8 lub sij hawm turnover tus nqi ntawm cov tsoos ntoo formwork thiab yog ho zoo dua li 15-20 lub sij hawm siv lub voj voog ntawm cov xyoob plywood. Hauv 200,000 square meter Hoobkas tsim qhov project nyob rau hauv ib qho chaw ua lag luam, los ntawm kev siv LFT formwork es tsis txhob siv ntoo formwork, 80 tons ntawm ntoo noj tau ncaj qha txo, uas yog sib npaug rau kev tiv thaiv txog 1,200 mature ntoo. Nyob rau hauv cov nqe lus ntawm kev rov ua dua, tom qab ncav cuag lub neej kev pab cuam, cov formwork tuaj yeem raug crushed thiab remolded los ntawm cov khoom siv, nrog tus nqi rov ua dua siab li 95%, zoo txo ​​qhov loj ntawm cov khoom pov tseg tsim los ntawm kev pov tseg ntawm cov tsoos ntoo formwork thiab xyoob plywood. Tsis tas li ntawd, cov txheej txheem tsim cov formwork tsis tas yuav tsum tau siv cov khoom siv phom sij xws li formaldehyde, kom tsis txhob muaj kev phom sij ntawm cov pa phem, tag nrho raws li txoj cai tam sim no txoj kev loj hlob thiab txoj cai ntawm kev tsim kho ntsuab hauv kev tsim kho kev lag luam.

V. Kev Tswj Tus Nqi Siv Tau ntev -Cov txiaj ntsig zoo:

Los ntawm tus nqi- qhov txiaj ntsig kev tsom xam, txawm hais tias tus nqi pib ntawm LFT formwork yog 15% mus rau 20% siab dua li ntawm cov qauv hlau ib txwm muaj, nws qhov ntev -cov txiaj ntsig kev lag luam yog qhov tseem ceeb thaum xav txog tag nrho cov nqi ntawm lub neej. Ua ib qho 100,000 square meter kev lag luam complex project ua piv txwv, tus nqi siv tag nrho ib square meter ntawm cov tsoos steel formwork yog kwv yees li 80 yuan, thaum LFT formwork, nrog nws cov nqi ntau dua 50 zaug, txo tus nqi siv ib square meter mus rau 56 yuan, ua tiav tus nqi txo ntawm 30%. Qhov project txuag tau tag nrho 600,000 yuan hauv formwork-cov nuj nqis tshwj xeeb. Dhau li ntawm tus nqi hloov pauv, nws lub teeb yuag tseem ua rau muaj txiaj ntsig zoo ntawm cov nqi txuag - tus nqi xauj tsev ntawm cov khoom siv hoisting yog txo los ntawm 25% piv rau kev siv steel formwork, thiab tus nqi zog rau kev tuav thiab kev teeb tsa raug txo los ntawm 18%. Ntxiv mus, tus nqi tu txhua hnub ntawm formwork yog tsawg heev. Raws li kev siv ib txwm, tsuas yog kev tu yooj yim thiab kev hloov kho me me yuav tsum tau ua, thiab tus nqi nruab nrab txhua xyoo yog tsawg dua 10% ntawm cov khoom siv hlau ib txwm siv, ua kom tiav kev tswj hwm tus nqi rau qhov project.

VI. Adaptable heev, ua tau raws li kev tsim kho complex:

Lub LFT formwork, nrog nws cov khoom zoo heev plasticity, tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm ntau yam qauv xws li arcs, cov duab tsis sib xws, thiab qhov chaw nkhaus. Ntxiv mus, cov formwork pob qij txha yog tsim los nrog tshwj xeeb sealing clips, kom ntseeg tau tias qhov sib txuas sib txawv yog tswj nyob rau hauv 1 hli, zoo tiv thaiv cov to ntawm cov pob zeb thaum lub sij hawm pouring txheej txheem. Hauv kev tsim kho cov duab kos duab nkhaus hauv ib txoj haujlwm kev coj noj coj ua, pab pawg kws tshaj lij tau ua tiav qhov -lub sij hawm nchuav thiab shaping ntawm ib qho txuas txuas ntxiv nrog lub vojvoog ntawm 2.5m los ntawm kev kho LFT formwork. Tom qab lub ncuav, cov kab nkhaus tau du thiab ntuj, thiab qhov chaw tiaj tiaj ua tau raws li cov qauv tsim, tshem tawm qhov xav tau ntawm cov chiseling thiab trimming, txhim kho kev tsim kho kom zoo thiab zoo nkauj ntawm cov khoom tsis sib xws. Tsis tas li ntawd, cov formwork tuaj yeem hloov tau yooj yim txiav thiab ua ke raws li qhov loj ntawm cov khoom, txawm tias nws yog rau me me -sized beam-kem sib koom formwork lossis loj -span pem teb thiab phab ntsa formwork, ua tiav qhov sib txuam. Qhov no tsis yog tsuas yog txo qhov poob ntawm formwork txiav tab sis kuj txhim kho cov khoom siv tus nqi, ua kom pom kev hloov tau zoo rau ntau yam kev tsim vaj tsev.

Hauv cov ntsiab lus, LFT formwork pwm tau ua tiav cov txheej txheem kev ua tiav hauv rau qhov tseem ceeb: kev tsim kho kev ua haujlwm, cov yam ntxwv tseem ceeb, kev nyab xeeb kev ua haujlwm, kev tiv thaiv ib puag ncig, kev tswj hwm tus nqi, thiab kev yoog raws, yog li tsim kom muaj kev ua tau zoo tshaj plaws thiab dhau los ua kev sib tw formwork hauv kev tsim kho niaj hnub no. Yog tias koj xav tau cov ntaub ntawv ntxiv ntawm daim ntawv thov ntawm daim ntawv foos no hauv cov xwm txheej tshwj xeeb xws li siab -cov tsev nce siab thiab kev tsim kho qhov av, lossis cov lus qhia ntxaws txog kev sib piv nrog cov txhuas thiab steel formworks, thov qhia rau peb paub txhua lub sijhawm kom peb tuaj yeem muab cov ntaub ntawv qhia meej ntxiv.