Steel-Plastic Geogrid: Cov yam ntxwv, kev siv, thiab kev tsim kho cov lus qhia rau niaj hnub Civil Engineering Projects

Hlau yas geogridyog ib qho kev ua tau zoo -cov khoom siv geosynthetic siv dav hauv kev tsim kho, kev txhim kho cov av mos, khaws cov qauv, thiab cov phiaj xwm stabilization. Nws yog tsim los ntawm kev sib txuas siab - lub zog steel hlau nrog polyethylene (PE) lossis polypropylene (PP) los ntawm txheej txheej extrusion thiab ultrasonic vuam txheej txheem. Cov qauv sib xyaw no muab ob qho tib si tensile lub zog ntawm cov hlau thiab corrosion kuj ntawm cov ntaub ntawv polymer, ua rau nws yog ib qho kev daws teeb meem zoo tshaj plaws rau ntev - lub sij hawm hauv av reinforcement nyob rau hauv qhov xav tau ib puag ncig.

Hauv kev tsim kho vaj tse niaj hnub no- xws li kev loj,txoj kev tsheb ciav hlau, cov chaw nres nkoj, tshav dav hlau, thiab cov khoom pov tseg engineering-steel- yas geogrids tau dhau los ua cov khoom siv txhawb zog vim lawv cov khoom siv zoo heev thiab ua haujlwm ntev.

1. Cov khoom siv thiab cov txheej txheem tsim khoom

Steel-yas geogrid yog tsim los ntawm siab-lub zog txias- kos cov hlau xaim nyob rau hauv ib txoj kab ntev thiab kab sib chaws. Cov hlau xaim hlau no tsim cov tub ntxhais lub cev pob txha ntawm cov khoom siv.

Cov txheej txheem tsim khoom suav nrog:

Hlau hlau weaving rau hauv ib tug mesh qauv

Extrusion txheej nrog siab - ntom polyethylene (HDPE) los yog polypropylene (PP)

Ultrasonic vuam rau kev sib koom ua ke

Deg embossing kom nce kev sib txhuam coefficient thiab av interlock peev

Cov txheej txheej txheej polymer tiv thaiv cov tub ntxhais hlau los ntawm kev xeb, kua qaub, thiab alkali raug, ua kom ntev kev pab cuam lub neej txawm nyob rau hauv cov av hnyav.

Ib qho kev xav tau tseem ceeb yog tias qhov sib koom ua ke sib cais yuav tsum muaj zog tshaj 500N, ua kom muaj kev ncaj ncees nyob rau hauv siab -load tej yam kev mob.

2. Cov yam ntxwv tseem ceeb ntawm Cov Hlau -Plastic Geogrid

Hlau- yas geogrids muaj ntau qhov zoo piv rau cov khoom siv geosynthetic cov khoom siv niaj hnub:

2.1 High Tensile Strength nrog qis Creep

Cov tub ntxhais hlau hlau muab lub zog tensile siab heev thaum tswj kom tsawg deformation nyob rau hauv ntev - lub sij hawm thauj khoom. Qhov no ua rau nws tsim nyog rau cov qauv mus tas li xws li txoj kev loj, khaws cov phab ntsa, thiab embankments.

2.2 Zoo heev Av Interlocking muaj peev xwm

Qhov saum npoo yog tshwj xeeb embossed los txhim kho kev sib txhuam ntawm daim phiaj thiab cov av ib puag ncig los yog aggregate. Qhov no txhim kho kev thauj mus los efficiency thiab ua rau kom muaj kev ruaj ntseg ntawm cov txheej txheem hauv av.

2.3 Muaj zog corrosion thiab laus tiv taus

Lub polyethylene los yog polypropylene txheej cais cov tub ntxhais hlau los ntawm noo noo, tshuaj lom neeg, thiab lom corrosion. Qhov no ua kom lub neej ua haujlwm ntev hauv acidic, alkaline, ntug hiav txwv dej, lossis chaw ua haujlwm.

2.4 Cov qauv kev ntseeg siab

Piv nrog cov yas geogrids ib txwm muaj, steel-plastic geogrids muab:

Lub zog tensile ntau dua

Ntau dua load-cov kabmob muaj peev xwm

Txhim kho kev tiv thaiv -deformation peev xwm

Zoo dua tiv thaiv kev puas tsuaj

2.5 Kev ua haujlwm ruaj khov

Cov qauv nruj txo qhov kev pheej hmoo ntawm kev puas tsuaj los ntawm cov tshuab hnyav thaum lub sijhawm teeb tsa, ua kom nws ntseeg tau ntau dua hauv cov haujlwm loj -scale av.

3. Kev siv engineering

Steel-plastic geogrids yog dav siv nyob rau hauv ntau yam ntawm civil engineering thiab infrastructure tej yaam num, xws li:

3.1 Kev loj thiab kev tsheb ciav hlau Subgrade Reinforcement

Lawv yog siv los txhim kho subgrade stability, txo kev sib hais haum, thiab txhim khu kev xa khoom thauj khoom hauv siab -kev tsheb ciav hlau ceev thiab kev loj.

3.2 Kev tuav cov phab ntsa thiab siab embankments

Hauv cov phab ntsa thaiv cov av, geogrids muab kev tiv thaiv tensile thiab tiv thaiv kev txav ntawm cov av, ua kom muaj kev nyab xeeb ntawm cov qauv.

3.3 Mos Av Foundation Kev Kho Mob

Hauv cov cheeb tsam uas muaj cov av tsis muaj zog xws li cov av ntub dej, thaj chaw ntug dej hiav txwv, thiab cov av rov qab, geogrids ua rau muaj peev xwm ua tau zoo thiab txo qhov sib txawv.

3.4 Choj Abutments thiab Transition Sections

Lawv pab txo qis "dhia cov nyhuv" ntawm tus choj cov qauv thiab cov txaj hauv txoj kev los ntawm kev txhim kho kev hloov chaw nruj.

3.5 Chaw nres nkoj, tshav dav hlau, thiab chaw lag luam

Hnyav- txoj haujlwm pavements hauv cov chaw nres nkoj thiab tshav dav hlau tau txais txiaj ntsig los ntawm geogrid reinforcement los tiv thaiv rov qab thauj khoom los ntawm cov tsheb thauj khoom thiab dav hlau.

3.6 Kev tswj dej nyab thiab cov qauv hydraulic

Cov ntawv thov suav nrog:

River embankments

Dikes thiab kev tiv thaiv dej nyab

Ntug hiav txwv reinforcement tej yaam num

Reservoir txoj kab nqes stabilization

4. Tsim kev txiav txim siab thiab kev xaiv lub zog

Tsim kom raug steel-yas geogrids nyob ntawm cov av, sau qhov siab, thiab cov qauv tsim.

4.1 Low Embankment (Sau qhov siab <3m)

Yuav tsum muaj lub zog tensile: Ntau dua lossis sib npaug li 50 kN / m

Elongation: <4%

Daim ntawv thov: mos av roadbeds thiab lub teeb tsheb txoj kev

4.2 Qhov Nruab Nrab Nruab Nrab (3-4m)

Yuav tsum muaj lub zog tensile: Ntau dua lossis sib npaug li 40 kN / m

Daim ntawv thov: txoj kev loj, txoj kev lag luam, thiab cov phiaj xwm dav dav

4.3 High Embankment (> 4m)

Lub zog tensile yam tsawg kawg nkaus: ntau dua lossis sib npaug li 20 kN / m (qhov yuav tsum tau muaj nyob ntawm cov qauv)

Siv nyob rau hauv txheej txheej txheej txheej nrog ntau txheej geogrid

4.4 Tshwj xeeb siab -Stress Applications

Rau qhov tseem ceeb tshaj 3m embankments:

Longitudinal tensile zog Ntau dua los yog sib npaug rau 60 kN / m

Transverse tensile zog Ntau tshaj los yog sib npaug rau 20 kN / m

Tswj elongation Tsawg dua lossis sib npaug li 4%

Ib txoj hauv kev tsim qauv tseem ceeb yog tso cov geogrid txheej kwv yees li 20 cm hauv qab ntawm txoj kev hauv qhov chaw siab embankment kom ua kom zoo dua cov khoom xa tawm thiab kev ua haujlwm zoo.

5. Kev tsim kho txoj kev

Kev txhim kho kom zoo yog qhov tseem ceeb los xyuas kom meej qhov ua tau zoo ntawm steel -plastic geogrids.

5.1 Subgrade Preparation

Tshem tawm cov nroj tsuag, khib nyiab, thiab cov av tsis muaj zog

Compact foundation av kom ceev ceev

Ua kom lub ntsej muag du thiab ruaj khov ua haujlwm

5.2 Geogrid Qhov Chaw

nteg geogrid nyob rau hauv cov kev taw qhia tsim (feem ntau perpendicular rau txoj kev sib dhos)

Ua kom zoo sib tshooj (feem ntau ntau dua lossis sib npaug li 10 cm)

Siv U- cov ntsia hlau zoo li tus ntsia hlau ntawm 1–1.5 m sib nrug kom ruaj ntseg

5.3 Filling thiab Compaction

Tshaj tawm cov pob zeb crushed los yog sau cov khoom sib npaug

Tsis txhob txav cov tshuab hnyav ncaj qha rau ntawm qhov chaw geogrid

Compact hauv txheej kom ua tiav qhov xav tau ceev

5.4 Layered Reinforcement (Multi- Txheej Txheej Txheej Txheej)

Rau kev sib sib zog nqus fills:

Nruab ntau geogrid txheej ntawm lub sijhawm teem tseg

Khaws qhov sib txawv raws li kev tsim qauv engineering

Xyuas kom muaj kev sib raug zoo ntawm cov khaubncaws sab nraud povtseg

5.5 Kev Tswj Xyuas Zoo

Xyuas qhov sib koom ua ke lub zog thiab sib tshooj kev ncaj ncees

Tshawb xyuas tensile kev taw qhia kev sib dhos

Tshawb xyuas kev puas tsuaj thaum tsim kho

Xyuas kom compaction raws li engineering qauv

6. Qhov zoo tshaj qhov qub Geogrids

Piv nrog cov khoom siv yas geogrids, steel -plastic geogrids muab:

Siab zog tensile

Tsawg creep deformation

Zoo dua ntev -lub sij hawm ruaj khov

Txhim kho corrosion kuj

Ntau dua load- bearing efficiency

Muaj zog interlock nrog granular av

Cov txiaj ntsig zoo no ua rau lawv tshwj xeeb rau qhov hnyav -load infrastructure thiab ntev -kev pab cuam- lub neej tej yaam num.

7. Cov lus xaus

Steel-yas geogrid yog ib qho kev ua haujlwm siab- cov khoom siv sib xyaw ua ke uas sib txuas cov khoom siv dag zog ntawm cov hlau nrog cov kav ntev ntawm cov txheej txheem polymer. Nws zoo heev tensile zog, tsawg deformation tus nqi, thiab muaj zog av sib cuam tshuam ua rau nws yog ib qho tseem ceeb cov ntaub ntawv nyob rau hauv niaj hnub civil engineering.

Nrog rau qhov kev thov nce ntxiv rau cov khoom siv hluav taws xob zoo, tshwj xeeb tshaj yog nyob rau hauv txoj kev loj, kev tsheb ciav hlau, cov chaw nres nkoj, thiab thaj chaw cov av mos, steel -yas geogrids muab kev txhim khu kev qha thiab tus nqi- muaj txiaj ntsig zoo rau hauv av stabilization, kev tiv thaiv txoj kab nqes, thiab khaws cov qauv kev txhawb nqa.

Kev xaiv tsim kom raug thiab cov kev tsim kho kom raug yog qhov tseem ceeb rau kev ua tiav qhov kev ua tau zoo thiab ua kom muaj kev ruaj ntseg ntev ntev -.

FAQ

1. steel -yas geogrid siv rau dab tsi?

Nws yog tsuas yog siv rau cov av reinforcement nyob rau hauv txoj kev loj, railways, tuav phab ntsa, mos hauv av foundations, thiab embankment stabilization tej yaam num.

2. Dab tsi ua rau steel -yas geogrid txawv ntawm cov yas geogrid?

Steel-yas geogrid muaj cov tub ntxhais hlau hlau uas muab lub zog tensile ntau dua thiab qis dua deformation, ua rau nws haum rau hnyav- daim ntawv thov.

3. steel -plastic geogrid puas siv tau rau hauv cov av mos?

Yog lawm. Nws yog siv dav hauv cov hauv paus hauv av xws li wetlands, ntug hiav txwv dej, thiab cov av reclaimed los txhim kho kev muaj peev xwm thiab txo kev sib haum xeeb.

4. Dab tsi yog txoj kev teeb tsa raug?

Nws suav nrog kev npaj subgrade, geogrid nteg nrog kev sib tshooj zoo, txuas nrog U- cov ntsia hlau zoo li tus, ua raws li txheej txheej filling thiab compaction.

5. Lub neej ua haujlwm ntev npaum li cas ntawm steel -plastic geogrid?

Nrog kev tiv thaiv zoo polymer txheej, steel- yas geogrids tuaj yeem ua tiav lub neej ntev txawm tias nyob rau hauv ib puag ncig hnyav chemical thiab noo noo, feem ntau dhau ntau xyoo hauv kev siv engineering engineering.