Overpass - nws yog ib qhov chaw zoo rau lub tsheb kho

Txhua tsav tsheb yuav tsum tob yuav overpass. Qhov no siv yog tsim nyog vim hais tias lub tsheb yog tsis ib txwm cov txhais tau tias kev thauj, - nyob rau hauv tej rooj plaub, tej zaum nws yuav yuav tsum tau kho. Hais tias yog, tus neeg tsav tsheb yuav tau ua ntau yam uas txawv: mus pw rau hauv pem teb mus xyuas hauv qab ntawm lub tshuab, thiab hais txog. Nyob rau hauv nqa tawm no ua hauj lwm yuav tsum tau nyob rau hauv lub tsheb, uas yog tsis yooj yim heev. Mus piv rau qhov teeb meem, nws yog tsim nyog los xav txog qhov kev siv ntawm cov overpass.

Yuav ua li cas yuav ua rau ib tug Flyover

Yuav kom tsim lawv tus kheej xws li ib qho tseem ceeb chaw rau kho, koj yuav tsum xub tau tus tsim nyog cov khoom: tshwj xeeb choj, txhawb rau lawv. Tsis tas li ntawd yuav tau bricks, railway sleepers, xis mas. Nws yog tsis muaj daim card uas tus overpass - nws yog zoo li ib tug tsim, uas yuav ua tau ntawm ntau hom.

Ua ntej, xav txog lub hom portable khib. Nws muaj yog yooj yim - koj yuav tsum nrhiav ruaj (tej zaum yog laus dua) choj rau du (yuav tsum tau ob daim). Lub qhov siab cov ntaub ntawv nyiaj yug yuav tsum tau txog 50 cm. Qhov ntev ntawm tus choj yog feem ntau sib npaug zos rau ib tug Meter (los yog me ntsis ntxiv). Lawv yuav tsum tau ob. Ob txhais ntev yuav tsum 40 cm Cov no qhov chaw muaj kev cob cog ntawm hinges -. Lawv hais ntiv tes pas nrig. Qhov no txoj kev yog zoo tagnrho rau cov koom haum ntawm lub trestle - ib cov tswv yim thiab robust tsim uas yog ib qho yooj yim mus lauj, yog tias tsim nyog. Thaum kho ua hauj lwm rau lub tsheb yuav tau siab los siv, nws yuav muab tau yooj yim tseg.

Soj ntsuam qhov - lwm Flyover

Peb tham txog ib tug standard, zoo-paub txoj kev uas yuav npaj racks rau lub tsheb kho. Ua ib lub qhov, qhov luaj li cas ntawm cov uas sau raws nkaus Ii kwv yees li rau lub qhov ntev ntawm lub tsheb (kuj tau dab tsi rau ntxiv deb nyob rau hauv dav rau cov ua hauj lwm tej yam kev mob twb zoo). Muab hais kom yoojyim: lub qhov taub ntev nyob nkaus rau qhov luaj li cas ntawm lub tshuab. Nws cov phab ntsa thiab hauv pem teb them nrog qhob dlaws tsim nyog. Yog li ntawd tiv thaiv los ntawm dej, av. Koj muaj peev xwm siv niaj hnub waterproofing cov ntaub ntawv - nws yuav pab kom tsis txhob muaj teeb meem thaum lub sij hawm lub lag luam.

Ua ntej tsim ib saib qhov, koj yuav tsum tau twv yuav raug hu mus saib yuav ua li cas nyob hauv av dej, qhov chaw uas lawv tso. Yog hais tias lawv yog tseem muaj, nws yog zoo dua mus nrauj zoo siv rau ntawm lub aub tsiv - tswv yim trestle lug abound tsis tau nws. Nyob rau strengthening ntawm cov phab ntsa hauv lub qhov nws yog tsim nyog los nco ntsoov - txwv tsis pub nws yuav ib txwm tshwm sim tu. Mus saib tau hauv lub qhov taub yog yooj yim rau kev kawm rau hauv qab ntawm lub tshuab, koj yuav tsum tau tsim kom muaj ib tug ntaiv. Thaum lub chaw ua hauj lwm yog tsis nqa tawm, tag nrho cov uas raug kaw slate (los yog ib txhia lwm yam ntaub ntawv).

Kho ntawm lub cev muaj zog tsheb los ntawm txoj kev cib vaj tse

Xws li ib tug khib - ib tug tsim rau cov kev siv thiab ua cov uas siv cov feem ntau zoo tib yam bricks. Lawv ua ke nyob rau hauv ib chav tsev xwb arcuate, lub dav thiab qhov ntev ntawm uas yuav tsum phim lub tsheb. Ces cemented dab tsi tshwm sim. Muaj yog ib tug disadvantage yuav tsum tau noj mus rau hauv tus account - tom qab tej lub sij hawm tej zaum yuav pib crumble xis mas. Qhov no tshwm sim yog qhov zoo tshaj plaws lub sij hawm los mus tiv thaiv. Txawm li cas los, qhov no khib rau lub tsheb yog heev tsim nyog nyob qhov twg nyob rau hauv lub vaj los yog nyob rau hauv ib ncig ntawm suburban cheeb tsam - tseem qhov zoo tshaj plaws tshuaj muaj tsis feem ntau pom. Nyob rau hauv lub tshav puam koj yuav tsim ib yam dab tsi lwm tus, ib tug variant ntawm lub cib yog tsis zoo li yuav tsum tau tsim nyog.

Siv cov kev faib ntawm lub overpass ntawm sleepers

Qhov yooj yim cov kev xaiv peb ntsia saum toj no. Lub sij hawm tau tuaj mus rau piav qhia txog ib tug loj nyiaj - Flyover ntawm sleepers. Xws li ib tug kev tsim kho yog yus muaj los ntawm siab durability. Rau nws cov erection tsuas xav tau ib tug - railway sleepers. Qhov no cov ntaub ntawv uas ua ntej kev tsim kho tas impregnated nrog creosote - ib tug tshwj xeeb tshuaj uas yog tsim nyog los tiv thaiv kom txhob muaj ntau yam tsis zoo tshwm sim: lub rov tshwm sim ntawm tus pwm, rot txoj kev loj hlob muaj dab. Vim lub impregnation tsheb overpass yuav pab ntev npaum li cas.

Yog li ntawd, los coj qhov kev siv, koj yuav tsum muaj ib co sleepers. Lawv feem ntau yog kis tau nyob rau hauv tej toj, npaj nyob rau hauv ua ntej los yog ua rau ib tug muaj cai tawm ntawm lub ntsiab. Nws yog ib qho tseem ceeb uas qhov ntev ntawm lub loj ntawm lub sleepers yog qhov chaw 500 cm, dav -. Tsis pub tsawg tshaj li 260 cm nyob rau hauv qhov kev siv yuav tsum koom nrog ob peb cov neeg - ib co ntsiab heev hnyav. Tus luj ntawm tag nrho cov qauv yuav ntau npaum li cas - nqa yuav tsis ua hauj lwm ib leeg.

hom du

Tag nrho avtoestakady yuav tau muab faib ua ob sab - tsuas yog tsa ib co ntawm lub tshuab thiab rau ib tug ua tiav daim tshev. Nws tag nrho cov nyob rau hauv lub peev xwm los mus tiv ib tug load, tag nrho cov loj ntawm cov qauv. Check trestle - ib tug ntaus ntawv, qhov chaw uas muaj tus kabmob ntsiab yog siv steel ces kaum, raws, zoo li tus kav dej. Tej dov hlau hom mas siab heev loads nyob rau hauv lub luj tshib - lawv feem ntau yog muab tso rau hauv cov kev taw qhia ntawm dov nrog. Ua ntej siv yog txiav txim los ntawm loj ntawm tag nrho cov load-tau cov kabmob hais. Nws tseem ceeb heev yuav tau ua ib yam paj tau paj ntawm kev ruaj ntseg ua ntej lub erection ntawm lub tsev.