Cov ntawv hlau U-puab yog cov khoom siv thev naus laus zis tshiab uas nyuam qhuav qhia los ntawm Netherlands, Southeast Asia thiab lwm qhov chaw. Tam sim no lawv tau siv dav hauv tag nrho Pearl River Delta thiab Yangtze River Delta. Cov chaw siv: cov dej loj, cov dej hiav txwv cofferdams, kev tswj hwm dej nruab nrab, kev tsim kho qhov av hauv paus, Txoj kev loj, choj, cov haujlwm hauv nroog thiab kev tsim kho chaw nres nkoj thib peb.
Kev Taw Qhia Txog Cov Zoo ntawm Daim Ntawv Thov ntawm U-puab Sheet Piles:
1. Qhov chaw khaws cia loj. Cov ntawv zeb ua los ntawm cov pob zeb U-puab uas muaj ib lub pob zeb khaws cia ntev txog 1 'meter', uas deb ntawm cov ntawv zeb ib txwm muaj thiab cov hom ntawv precast ib txwm muaj.
2. Cov qauv kev ntxhov siab ntawm qhov seem hla zoo heev. Kev tsim qauv ntawm qhov seem hla U-puab tau siv los ua kom qhov siab ntawm qhov seem hla thiab lub zog ntawm qhov seem hla nce ntxiv, yog li ua kom qhov kev ua haujlwm ntxhov siab ntawm cov qauv zoo dua.
3. Cov txiaj ntsig kev lag luam pom tseeb. Lub qauv U-puab tau txais yuav, uas txo cov pob zeb siv hauv hom pawg no piv rau cov pawg ntawv ib txwm muaj ntawm tib qhov siab hla. Tib lub sijhawm, pawg ntawv U-puab tau txais kev tsim qauv prestressed, uas txo cov kev ntxhov siab thiab kev txhawb nqa raws li qhov xav tau ntawm kev ua kom tau raws li cov kev ntxhov siab ntawm cov qauv. Qhov ntau ntawm kev txhawb nqa hauv cov qauv tau nce thiab tus nqi tau txo qis. Tib lub sijhawm, qhov dav ntawm cov av khaws cia ntawm hom pawg no ib pawg ncav cuag 1 'meter', uas yog deb ntawm hom pawg ib txwm muaj. Raws li cov yam ntxwv saum toj no, tus nqi ntawm U-puab prestressed concrete sheet piles yog kwv yees li 30% qis dua li ntawm cov pawg ntawv ib txwm muaj, uas muaj cov txiaj ntsig kev lag luam zoo.
4. Hom Qauv. Cov hom U-puab prestressed concrete sheet piles tuaj yeem xaiv tau yooj yim kom tau raws li qhov xav tau ntawm qhov project los ntawm kev siv qhov siab sib txawv, cov qauv reinforcement, cov nqi reinforcement thiab cov ntev ntawm pile raws li qhov xav tau ntawm cov khoom siv ntawm hom pile. Ua tiav qhov kev ua tau zoo ntawm cov qauv cross-section thiab ua kom muaj txiaj ntsig zoo tshaj plaws.
5. Lub sijhawm tsim kho luv luv. Cov ntawv hlau ua los ntawm cov pob zeb U-puab siv cov qauv ua ntej ntawm lub Hoobkas, thiab qhov chaw tsim kho tau siv tshuab los tsim phab ntsa ntawv hlau, uas ua rau lub sijhawm tsim kho luv dua piv rau cov txheej txheem ib txwm muaj.
6. Kev siv tshuab ua vaj tse, ntau yam geological siv tau, thiab zoo nkauj cross-section tom qab tsim pawg
Tiv Tauj Peb Yog Xav Paub Ntxiv
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Lub sijhawm tshaj tawm: Plaub Hlis-16-2024