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Rooj vag Code: 201612

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Kev hu: Jack Wang

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Choj hlau

Tus Bailey choj zoo heev vim tus simplicity ntawm lub fabrication thiab sib dhos ntawm nws cov cheebtsam uas modular, nrog rau cov muaj peev xwm txua thiab deploy

Detailed description

Tus Bailey choj zoo heev vim tus simplicity ntawm lub fabrication thiab sib dhos ntawm nws cov cheebtsam uas modular, nrog rau cov muaj peev xwm txua thiab deploy khej tsawg kawg ntawm cov kev pab los ntawm cov khoom hnyav. Feem ntau, nws tsis yog tas nrho, teev designs rau cov tub rog txuas hniav yuav tsum tau cranes nyom tus choj assembled tos thiab txo nws rau hauv qhov chaw. Bailey seem hu mus rau tus txheem alloys steel, thiab muaj lus txaus tias yam los ntawm ntau ntau lub factories yuav yog interchangeable kiag li. Txhua qhov ib tug neeg yuav tau ris yog ib tug muaj tsawg tus txiv neej, enabling pab tub rog engineers kom txav tau yooj yim tshaj thiab sai tshaj ua ntej, kev npaj kev troops thiab matériel uas qab xwb. Thaum kawg, tus modular tsim cai engineers tsim ib choj kom ntev li ntev thiab strong ntxiv, doubling los yog tripling tuaj ntawm lub sab tshaaj panels, los sis hauv lub roadbed khej.

Tus choj yooj yim muaj peb yam tseem ceeb. Tus choj lub dag lub zog yog los ntawm cov panels ob sab ntug. Tus panels yog 10-taw-ntev (3.0 m), 5-taw-High School (1.5 m), khaub lig-braced voos tias neb luj 570 phaus (260 kg), thiab yuav tsum lifted los rau txiv neej. Lub vaj huam sib luag twb ua lub tsev ntawm welded hlau. Rau saum thiab hauv qab chord ntawm txhua lub vaj huam sib luag tau interlocking txiv neej thiab poj niam lugs tias engineers yuav inset vaj huam sib luag txuas pins.

Hauv pem teb ntawm tus choj muaj ib tug xov tooj ntawm transoms 19-taw-dav (5.8 m) uas khiav hla tus choj, nrog 10-taw-ntev (3.0 m) stringers khiav ntawm cov zauv hauv qab, txoj kev ua ib lub xwmfab. Transoms so rau lub chord sab ntawm lub panels, thiab clamps tuav lawv ua ke. Stringers tso rau saum tus yam ntxwv tiav num, thiab planking uas tau muab tso saum tus stringers muab ib tug roadbed. Ribands bolt tus planking mus rau stringers. Thaum tsov rog, cov ntoo planking yog them steel daim hlau, uas yog qhov puas tsuaj los ntawm tank lem tshaj tawm.

Ua lub tsev nyob rau hauv no zam twg tsim ib zaug xwb 10-taw-ntev (3.0 m) seem ntawm tus choj, nrog rau lub 12-taw-dav (3.7 m) roadbed. Tom qab ntawd tag seem nws xws li raug thawb rau pem hauv ntej hla chais rau lub bridgehead, thiab lwm seem los ua qab rau nws. Ces ob uas txuas nrog nrog pins pounded rau hauv qhov rau cov fab ntawm lub panels.

Rau nws lub dag lub zog ntau panels (thiab transoms) yuav tsum bolted rau tog ntawm tus choj, mus txog peb. Lwm cov tshuaj no yog stack tus panels mas. Nrog peb panels thoob thiab ob lub siab, tus Bailey choj pab yuav tso tsheb hlau luam dua ib siab txog 200-taw (61 m). Footways tau muab ntsia rau sab nraum panels sab, sab-panels tsim ib barrier ntawm ko taw thiab tsheb tsheb khiav zoo thiab tso cai rau cov neeg taug kev ruaj ntseg zoo siv tus choj.

Ib pab feature ntawm tus Bailey choj yog nws muaj peev xwm yuav launched rau ntawm ib sab ntawm koj ib yam. Nyob rau hauv lub hauv ntej-feem seem ntawm tus choj yog angled tuaj nrog wedges ib "launching ntswg" thiab feem ntau ntawm tus choj tseem tshuav tsis tus roadbed thiab ribands. Tus choj yog muab tso rau chais thiab tsuas raug thawb nyob rau kis, siv manpower los yog lub tsheb lossis tsheb tracked, thaum twg kis tus menyuam rho tawm (uas muaj kev pab los ntawm jacks) thiab cov ribands thiab roadbed ntsia, nrog rau tej panels ntxiv thiab transoms uas yuav tsum tau.

Lub ntiaj teb ua tsov ua rog II, Bailey choj xeem tau los ntawm tuam txhab uas muag nrog me dhau kev ntawm no qhia engineering. Txawm tias feem tau yooj yim, lawv yuav tau tsum precisely tsev yog tias tus neeg ntawd haum sib kom haum, ces lawv assembled mus kuaj choj ntawm lub Hoobkas kom paub tseeb txog qhov no. Ua li no nraaj, qhov chaw tshiab khiv tsev yuav tujtaws ntxiv tus kuaj choj, thaum tib lub sij hawm far kawg ntawm tus xeem choj ntawd tujtaws rhuav thiab tso tau rau hauv end-users seem.


Bailey choj

Bailey choj hla hauv lub Meurthe dej, Fabkis

Txwv zeej txwv koob

Choj truss

Hais txog

Callender-Hamilton choj

Xeeb leej xeeb ntxwv

Mabey Logistic Support choj, nruab nrab Girder choj

Yog

Cov neeg taug kev, txoj kev tsheb, tsheb Rail

Ntsua kev khwv

Luv

Khoom siv

Cav ntoo, steel

Rooj noj

Tsis muaj

Qauv siv dag zog

Qes

Falsework yuav tsum

Tsis muaj

Bailey choj inOntario, Canada

Bailey choj hla cov dawb Nile, Juba, sab qab zog Sudan

Bailey choj hla ntawm Wadi el Kuf, Libya,
nrog tus choj khej siv los tsim cov kev txhawb zog

Choj Callender-Hamilton, Walton 4 choj


Niaj hnub nimno Bailey txuas hniav

Bailey txuas hniav yog nyob rau kev siv nyob thoob qab ntuj hauv lub xyoo pua 21st. Ib co exceptional piv txwv muaj xws li:

1. cov coos Bailey choj tau tso rau hauv qhov kev pab li ntawm lub kaum hli ntuj xyoo 1975. No 788 metres (2,585 ft), ob txoj kab choj hla tus dej Derwent nyob Hobart, Australia. Nws twb qhib nyob ib ncig ntawm ib lub xyoos tom qab tus choj Tasman muaj kev puas tsuaj puas lem dej tsuas thiab faib lub nroog muaj ob zoo. Tus Bailey choj txawm siv mus txog rau thaum cov reconstruction ntawm tus Tasman choj tau ua tiav rau lub kaum hli ntuj xyoo 1977 8.

2.A Bailey choj ntawm tus dej Suru thiab Dras tus dej Ladakh, Is Nrias teb yog tus choj tshaj plaws nyob hauv lub ntiaj teb nyob ib altitude txog 5,602 metres (18,379 ft) saum theem hiav txwv. Nws ua tau xyoo 1982, los ntawm cov tub rog khab. [15]

3. rau qhov nws mus-1950s pib sib xeem khiav Circuit Court txoj kab pob zeb Park hauv Lakeville, Connecticut muas choj Bailey rog tshaj ces tsheb yuav sau/tawm lub infield thiab paddock khej ntawm tus khiav thaum Asxis tau soj ntsuam qhov chaw. Tus choj lawm nruam vim hais tias kev pab, thiab tau relocated tshiab, nyuas o ua pilings nyob rau lub caij nplooj ntoos hlav xyoo 2008. Tus khiav ntseeg hais tias qhov no tej zaum yuav tus xib taws-seem WWII-era Bailey choj nyob rau hauv txhua txhua hnub public service hauv Teb Chaws Asmeskas

4. kev under-siv footbridge nyob Jawaharlal Nehru chaw ntau pob (Delhi), yog ib lub venues lub ntsiab rau xyoo 2010 tebchaws no uas suav ua si, sab laug piam lawm ob peb lub lis piam ua ntej lub qhib ceremony, injuring neeg 27. Tsoom fwv Delhi muab rau tus tub rog khab yuav tsim ib tug choj Bailey ua. Tus 3 tug Engineer tub rog ntawm tus khab Corps pab tub rog ntawm Engineers meej hauj lwm plaub hnub ca thiab ib feem ntawm tus nqi yeej.

5. medley choj (Oxford, hais) yog ib tug choj Bailey uas tsa hauv 1946 thiab spans tus dej Thames backwater nyob rau hauv chaw nres nkoj tiaj nyom thiab yog tseem nyob rau kev siv hnub no (2014)


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