Geotextile, tseem hu ua geotextile, yog ib qho permeable geosynthetic khoom ua los ntawm hluavtaws fibers los ntawm rab koob xuas nrig ntaus los yog weaving.Geotextile yog ib qho ntawm cov khoom siv geosynthetic tshiab.Cov khoom tiav yog daim ntaub zoo li, nrog rau qhov dav dav ntawm 4-6 meters thiab ntev ntawm 50-100 meters.Geotextiles muab faib ua geotextiles woven thiab non-woven filament geotextiles.
Nta
1. Lub zog muaj zog, vim yog siv cov yas fibers, nws tuaj yeem tswj tau lub zog txaus thiab elongation nyob rau hauv ntub thiab qhuav.
2. Corrosion kuj, ntev corrosion kuj nyob rau hauv cov av thiab dej nrog pH sib txawv.
3. Cov dej zoo permeability Muaj qhov sib txawv ntawm cov fibers, yog li nws muaj dej permeability zoo.
4. Cov khoom zoo tiv thaiv kab mob, tsis muaj kev puas tsuaj rau cov kab mob thiab npauj.
5. Kev tsim kho yog yooj yim.Vim tias cov khoom siv yog lub teeb thiab mos, nws yooj yim rau kev thauj mus los, tso thiab kev tsim kho.
6. Ua tiav cov lus qhia: Qhov dav tuaj yeem ncav cuag 9 meters.Nws yog cov khoom siv dav tshaj plaws hauv Suav teb, huab hwm coj ib cheeb tsam: 100-1000g / m2
1: Kev rho tawm
Polyester staple fiber ntau rab koob-punched geotextiles yog siv rau cov khoom siv hauv tsev nrog cov khoom sib txawv ntawm lub cev (particle loj, faib, sib xws thiab ntom, thiab lwm yam)
cov ntaub ntawv (xws li av thiab xuab zeb, av thiab pob zeb, thiab lwm yam) rau kev sib cais.Ua ob lossis ntau cov ntaub ntawv tsis txhob khiav tawm, tsis txhob sib tov, khaws cov khoom
Tag nrho cov qauv thiab kev ua haujlwm ntawm cov khoom siv txhim kho cov kabmob muaj peev xwm ntawm cov qauv.
2: Filtration (rov qab pom)
Thaum cov dej ntws los ntawm cov txheej av zoo rau hauv txheej txheej txheej txheej, cov huab cua zoo permeability thiab dej permeability ntawm polyester staple fiber ntau koob-punched geotextile yog siv los ua cov dej ntws.
Los ntawm, thiab cuam tshuam cov av zoo, cov xuab zeb zoo, pob zeb me me, thiab lwm yam., kom muaj kev ruaj ntseg ntawm av thiab dej engineering.
3: Cov dej ntws tawm
Polyester staple fiber koob-punched geotextile muaj cov dej zoo conductivity, nws tuaj yeem tsim cov dej ntws hauv cov av,
Cov kua thiab roj uas tseem tshuav raug tso tawm.
4: Kev txhawb zog
Kev siv cov polyester staple fiber ntau rab koob-punched geotextile los txhim kho lub zog tensile thiab tiv thaiv deformation muaj peev xwm ntawm cov av, txhim khu kev ruaj ntseg ntawm lub tsev qauv, thiab txhim kho kev ruaj ntseg ntawm lub tsev qauv.
Cov av zoo.
5: Kev tiv thaiv
Thaum cov dej ntws tawm ntawm cov av, nws zoo sib kis, kis lossis decomposes cov kev ntxhov siab, tiv thaiv cov av los ntawm kev puas tsuaj los ntawm sab nraud quab yuam, thiab tiv thaiv cov av.
6: Anti-nplua
Ua ke nrog geomembrane, nws dhau los ua cov khoom siv dej tsis sib haum thiab cov khoom siv los tiv thaiv, uas ua lub luag haujlwm ntawm kev sib tsoo.
Lub zog tensile siab, zoo permeability, huab cua permeability, kub tsis kam, khov tsis kam, laus tsis kam, corrosion kuj, tsis muaj npauj noj.
Polyester staple fiber koob-punched geotextile yog cov khoom siv dav siv geosynthetic.Dav siv nyob rau hauv kev txhawb nqa ntawm railway subgrade thiab txoj kev pavement
Kev saib xyuas ntawm cov chaw ua kis las, kev tiv thaiv dams, kev sib cais ntawm cov qauv hydraulic, qhov tunnels, ntug dej hiav txwv mudflats, reclamation, kev tiv thaiv ib puag ncig thiab lwm yam dej num.
Nta
Lub teeb yuag, tus nqi qis, kev tiv thaiv corrosion, kev ua haujlwm zoo heev xws li kev tiv thaiv kev pom, kev tso dej, kev sib cais thiab kev txhawb nqa.
Siv
Siv dav hauv kev txuag dej, hluav taws xob, mine, txoj kev loj thiab kev tsheb ciav hlau thiab lwm yam geotechnical engineering:
l.Cov khoom siv lim rau cov av txheej sib cais;
2. Cov khoom siv dej ntws tawm rau kev ua cov dej ntxhia hauv cov reservoirs thiab mines, thiab cov ntaub ntawv tso dej rau cov tsev siab siab;
3. Anti-scour cov ntaub ntawv rau dej dams thiab kev tiv thaiv txoj kab nqes;
4. Txhim kho cov khoom siv rau kev tsheb ciav hlau, txoj kev loj, thiab lub tshav dav hlau khiav, thiab kev tsim kho txoj kev hauv thaj chaw swampy;
5. Cov khoom siv tiv thaiv te thiab tiv thaiv khov thermal rwb thaiv tsev;
6. Anti-cracking khoom rau asphalt pavement.
Kev siv geotextile hauv kev tsim kho
(1) Siv los ua kev txhawb nqa hauv backfilling ntawm cov phab ntsa tuav, lossis ua vaj huam sib luag rau cov phab ntsa tuav.Kev tsim kho ntawm cov phab ntsa tuav los yog abutments.
(2) Txhim kho txoj kev taug kev yooj yim, kho cov kab nrib pleb ntawm txoj kev, thiab tiv thaiv txoj kev taug kev los ntawm kev cuam tshuam cov kab nrib pleb.
(3) Ua kom muaj kev ruaj ntseg ntawm cov pob zeb pob zeb thiab cov av ntxiv kom tiv thaiv cov av yaig thiab khov kev puas tsuaj ntawm cov av ntawm qhov kub thiab txias.
(4) Cov txheej txheem kev sib cais ntawm txoj kev ballast thiab cov subgrade, los yog cov txheej txheem cais ntawm cov subgrade thiab cov mos subgrade.
(5) Cov txheej txheem kev sib cais ntawm cov khoom tsim tawm, pob zeb los yog cov khoom siv thiab lub hauv paus, thiab kev sib cais ntawm cov txheej txheem permafrost sib txawv.Anti-filtration thiab reinforcement.
(6) Cov txheej lim dej ntawm qhov dej ntws ntws hauv qhov chaw pib ntawm lub pas dej tshauv los yog lub pas dej tailings, thiab cov txheej lim dej ntawm cov kav dej hauv qab ntawm phab ntsa tuav.
(7) Cov txheej lim nyob ib ncig ntawm cov kua dej hauv qab lossis ib ncig ntawm cov pob zeb dej hauv qab.
(8) Cov txheej lim dej ntawm qhov dej, qhov dej siab nyem lossis oblique kav dej hauv cov dej txuag dej.
(9) Geotextile cais txheej ntawm txoj kev, tshav dav hlau, railway lem thiab dag pob zeb thiab cov hauv paus.
(10) Vertical los yog kab rov tav ntws hauv lub ntiaj teb dam, faus rau hauv av kom dissipate pore dej siab.
(11) Cov dej ntws tawm tom qab cov dej ntws tawm geomembrane hauv lub ntiaj teb dams lossis lub ntiaj teb embankments los yog hauv qab lub pob zeb.
(12) Tshem tawm cov dej ntws ncig ntawm lub qhov, txo cov dej sab nraud ntawm lub hauv ob sab phlu thiab seepage ncig lub tsev.
(13) Kev tso dej tawm ntawm cov khoom siv hauv av tsim kev ua si hauv av.
(14) Txoj kev (xws li txoj kev ib ntus), kev tsheb ciav hlau, embankments, av-pob zeb dams, tshav dav hlau, chaw ua si thiab lwm yam dej num yog siv los ntxiv dag zog rau lub hauv paus tsis muaj zog.
Tsog ntawm geotextiles
Filament geotextile siv qhov chaw
Geotextile yob yuav tsum tau tiv thaiv los ntawm kev puas tsuaj ua ntej kev teeb tsa thiab xa tawm.Geotextile rolls yuav tsum tau muab tso rau hauv ib qho chaw uas yog leveled thiab tsis muaj dej tsub zuj zuj, thiab lub stacking qhov siab yuav tsum tsis txhob siab tshaj qhov siab ntawm plaub yob, thiab daim ntawv qhia txog lub yob tuaj yeem pom.Geotextile yob yuav tsum tau them nrog opaque khoom los tiv thaiv UV aging.Thaum khaws cia, khaws cov ntawv kom zoo thiab cov ntaub ntawv tsis raug.Geotextile rolls yuav tsum raug tiv thaiv los ntawm kev puas tsuaj thaum thauj (nrog rau kev thauj mus los ntawm qhov chaw los ntawm cov khoom cia mus ua haujlwm).
Lub cev puas lawm geotextile yob yuav tsum tau kho.Kev hnav geotextiles hnyav heev tsis tuaj yeem siv.Txhua geotextiles uas tuaj rau hauv kev sib cuag nrog cov tshuaj chemical reagents tsis raug tso cai siv rau hauv qhov project no.
Yuav ua li cas nteg geotextile:
1. Rau phau ntawv dov, qhov saum npoo ntawm daim ntaub yuav tsum tiaj tus, thiab yuav tsum tau khaws cov nyiaj deformation kom zoo.
2. Lub installation ntawm filament los yog luv luv filament geotextiles feem ntau siv ob peb txoj kev ntawm lap jointing, xaws thiab vuam.Qhov dav ntawm stitching thiab vuam feem ntau yog ntau tshaj 0.1m, thiab qhov dav ntawm lub puab tsaig yog feem ntau ntau tshaj 0.2m.Geotextiles uas yuav raug rau lub sij hawm ntev yuav tsum tau welded los yog sewn.
3. Sewing ntawm geotextile:
Tag nrho cov stitching yuav tsum tsis tu ncua (piv txwv li, taw tes stitching tsis pub).Geotextiles yuav tsum sib tshooj tsawg kawg 150 hli ua ntej sib tshooj.Qhov tsawg kawg nkaus stitching nrug yog tsawg kawg yog 25mm los ntawm selvedge (qhov nthuav tawm ntawm cov khoom).
Sewn geotextile seams feem ntau suav nrog 1 kab ntawm cov hlua khi hlua khi.Cov xov siv rau stitching yuav tsum yog cov khoom siv nrog qhov tsawg kawg nkaus nro tshaj 60N, thiab muaj tshuaj tiv thaiv thiab ultraviolet tsis kam sib npaug los yog ntau tshaj ntawm geotextiles.
Txhua qhov "tshem tawm" nyob rau hauv geotextile sewn yuav tsum tau rov ua dua hauv thaj chaw cuam tshuam.
Kev ntsuas tsim nyog yuav tsum tau coj los tiv thaiv cov av, cov khoom me me lossis cov khoom txawv teb chaws los ntawm kev nkag mus rau geotextile txheej tom qab kev teeb tsa.
Lub puab tsaig ntawm daim ntaub tuaj yeem muab faib ua tej yam ntuj tso lap, seam los yog vuam raws li qhov chaw thiab kev ua haujlwm ntawm kev siv.
4. Thaum lub sij hawm tsim kho, lub geotextile saum toj no geomembrane txais kev sib koom tes ntawm ntuj tsim, thiab cov geotextile nyob rau sab sauv txheej ntawm geomembrane adopts seaming los yog cua kub vuam.Cov cua kub welding yog txoj kev nyiam kev sib txuas ntawm filament geotextiles, uas yog, siv rab phom cua kub kom sov qhov kev sib txuas ntawm ob daim ntaub rau lub xeev melting, thiab tam sim ntawd siv ib qho kev quab yuam sab nraud kom ruaj khov ua ke..Nyob rau hauv cov ntaub ntawv ntawm ntub dej (los nag thiab daus) huab cua uas thermal bonding tsis tuaj yeem ua, lwm txoj kev rau geotextiles - stitching txoj kev, yog siv lub tshuab xaws tshwj xeeb rau ob txoj xov stitching, thiab siv tshuaj UV-resistant sutures.
Qhov dav yam tsawg kawg nkaus yog 10cm thaum xaws, 20cm thaum lub sij hawm ntuj sib tshooj, thiab 20cm thaum huab cua kub vuam.
5. Rau qhov stitching, cov xov suture ntawm tib yam zoo li geotextile yuav tsum tau siv, thiab cov xov suture yuav tsum tau ua los ntawm cov khoom uas muaj zog tiv thaiv cov tshuaj puas thiab ultraviolet irradiation.
6. Tom qab geotextile tau muab tso rau, lub geomembrane yuav tsum tau muab tso rau tom qab kev pom zoo los ntawm tus kws saib xyuas ntawm qhov chaw.
7. Lub geotextile ntawm lub geomembrane yog nteg raws li saum toj no tom qab lub geomembrane tau pom zoo los ntawm tog A thiab tus saib xyuas.
8. Cov naj npawb ntawm geotextiles ntawm txhua txheej yog TN thiab BN.
9. Ob txheej ntawm geotextile saum toj thiab hauv qab daim nyias nyias yuav tsum tau embedded nyob rau hauv lub anchoring groove ua ke nrog lub geomembrane ntawm ib feem nrog lub anchoring zawj.
Cov kev cai yooj yim rau nteg geotextiles:
1. Kev sib koom ua ke yuav tsum sib tshuam nrog txoj kab nqes hav;qhov twg nws yog sib npaug nrog txoj kab nqes ko taw lossis qhov twg yuav muaj kev ntxhov siab, qhov kev ncua deb ntawm kab rov tav yuav tsum ntau dua 1.5m.
2. Ntawm txoj kab nqes, thauj tog rau nkoj ib qho kawg ntawm geotextile, thiab tom qab ntawd muab cov coil tso rau ntawm txoj kab nqes kom ntseeg tau tias cov geotextile khaws cia rau hauv lub xeev taut.
3. Tag nrho cov geotextiles yuav tsum tau nias nrog cov hnab xuab zeb.Cov hnab xuab zeb yuav raug siv thaum lub sij hawm tso thiab yuav khaws cia kom txog rau thaum cov txheej txheej saum toj kawg nkaus tau muab tso rau.
Geotextile nteg txheej txheem yuav tsum:
1. Kev tshuaj xyuas cov hauv paus hniav: xyuas seb cov hauv paus hniav puas yog du thiab ruaj.Yog tias muaj teeb meem txawv teb chaws, nws yuav tsum tau ua kom zoo.
2. Kev sim tso: Txiav txim siab qhov loj ntawm geotextile raws li qhov chaw nyob, thiab sim tso nws tom qab txiav.Qhov luaj li cas yuav tsum raug.
3. Tshawb xyuas seb qhov dav ntawm cov zaub xam lav puas tsim nyog, lub puab tsaig yuav tsum tiaj tus, thiab qhov nruj yuav tsum nyob nruab nrab.
4. Muab tso rau hauv: Siv rab phom cua kub los khi qhov sib tshooj ntawm ob lub geotextiles, thiab qhov kev ncua deb ntawm cov ntsiab lus sib txuas yuav tsum tsim nyog.
5. Cov sutures yuav tsum ncaj thiab cov stitches yuav tsum zoo ib yam thaum stitching qhov sib tshooj.
6. Tom qab xaws, xyuas seb lub geotextile puas tau muab tso rau hauv thiab seb puas muaj qhov tsis xws luag.
7. Yog tias muaj qhov tshwm sim tsis zoo, nws yuav tsum tau kho raws sijhawm.
Kev kuaj xyuas tus kheej thiab kho:
ib.Tag nrho cov geotextiles thiab seams yuav tsum tau kuaj xyuas.Cov khoom geotextile tsis raug thiab cov seams yuav tsum tau cim kom meej meej ntawm cov geotextile thiab kho.
b.Cov geotextile hnav yuav tsum tau kho los ntawm kev tso thiab thermally txuas me me ntawm geotextile, uas yog tsawg kawg yog 200mm ntev nyob rau hauv tag nrho cov lus qhia tshaj qhov ntug ntawm qhov tsis xws luag.Kev sib txuas thermal yuav tsum nruj me ntsis tswj kom ntseeg tau tias cov geotextile thaj thiab geotextile yog nruj nreem khi tsis muaj kev puas tsuaj rau geotextile.
c.Ua ntej qhov kawg ntawm txhua hnub nteg, ua ib qho kev soj ntsuam ntawm qhov chaw ntawm tag nrho cov geotextiles nteg nyob rau hauv lub hnub kom paub meej tias tag nrho cov chaw puas tau raug cim thiab kho tam sim ntawd, thiab xyuas kom meej tias cov nteg nto yog dawb los ntawm txawv teb chaws tshuaj uas tej zaum yuav. ua rau kev puas tsuaj, xws li koob zoo, me me hlau ntsia hlau thiab lwm yam.
d.Cov kev cai hauv qab no yuav tsum tau ua tiav thaum geotextile puas thiab kho:
e.Cov khoom siv patch siv los sau qhov los yog cov kab nrib pleb yuav tsum zoo ib yam li cov geotextile.
f.Lub thaj yuav tsum ncav cuag tsawg kawg 30 cm tshaj qhov puas geotextile.
g.Hauv qab ntawm qhov chaw pov tseg, yog tias qhov tawg ntawm geotextile ntau tshaj 10% ntawm qhov dav ntawm lub kauj, qhov kev puas tsuaj yuav tsum raug txiav tawm, thiab tom qab ntawd ob lub geotextiles txuas nrog;Yog tias qhov tawg tshaj 10% ntawm qhov dav ntawm lub kauj ntawm txoj kab nqes, nws yuav tsum tau tshem tawm cov yob thiab hloov nrog lub yob tshiab.
h.Cov khau ua haujlwm thiab cov cuab yeej siv los ntawm cov neeg ua haujlwm tsim kho yuav tsum tsis txhob ua rau cov geotextile puas tsuaj, thiab cov neeg ua haujlwm tsim kho yuav tsum tsis txhob ua ib yam dab tsi ntawm cov geotextile nteg uas yuav ua rau cov geotextile puas, xws li haus luam yeeb lossis poking geotextile nrog cov cuab yeej ntse.
i.Rau kev nyab xeeb ntawm cov ntaub ntawv geotextile, lub ntim zaj duab xis yuav tsum tau qhib ua ntej tso geotextiles, uas yog, ib yob yog nteg thiab ib yob yog qhib.Thiab xyuas cov tsos zoo.
j.Lub tswv yim tshwj xeeb: Tom qab geotextile tuaj txog ntawm qhov chaw, qhov kev lees paub thiab kev txheeb xyuas vixaj yuav tsum tau ua raws sijhawm.
Nws yog ib qho tsim nyog yuav tsum nruj me ntsis siv lub tuam txhab "Geotextile Kev Tsim Kho thiab Kev Txais Kev Cai"
Kev ceev faj rau kev teeb tsa thiab kev tsim kho ntawm geotextiles:
1. Lub geotextile tsuas tuaj yeem txiav nrog rab riam geotextile (nqa riam).Yog tias nws raug txiav hauv daim teb, kev tiv thaiv tshwj xeeb yuav tsum tau ua rau lwm cov ntaub ntawv los tiv thaiv kev puas tsuaj rau cov geotextile vim kev txiav;
2. Thaum tso geotextiles, tag nrho cov kev ntsuas tsim nyog yuav tsum tau coj los tiv thaiv kev puas tsuaj rau cov khoom hauv qab no;
3. Thaum tso geotextiles, yuav tsum tau saib xyuas kom tsis txhob cia cov pob zeb, cov plua plav loj lossis dej noo, thiab lwm yam, uas tuaj yeem ua rau cov geotextiles puas, tuaj yeem thaiv cov dej ntws los yog cov lim dej, lossis tej zaum yuav ua rau muaj teeb meem rau kev sib txuas tom ntej rau hauv geotextiles.los yog nyob rau hauv geotextile;
4. Tom qab kev teeb tsa, ua qhov kev soj ntsuam pom ntawm txhua qhov chaw geotextile los txiav txim siab tag nrho cov tswv av puas, kos thiab kho lawv, thiab xyuas kom meej tias tsis muaj cov khoom txawv teb chaws tuaj yeem ua rau puas tsuaj rau ntawm qhov chaw paving, xws li cov koob tawg thiab lwm yam khoom txawv teb chaws;
5. Kev sib txuas ntawm geotextiles yuav tsum ua raws li cov cai hauv qab no: nyob rau hauv ib txwm muaj, yuav tsum tsis txhob muaj kev sib txuas ntawm kab rov tav ntawm txoj kab nqes (qhov kev sib txuas yuav tsum tsis txhob cuam tshuam nrog lub contour ntawm txoj kab nqes), tshwj tsis yog rau qhov chaw kho.
6. Yog tias siv suture, cov suture yuav tsum tau ua los ntawm tib yam lossis ntau dua li cov khoom siv ntawm geotextile, thiab cov suture yuav tsum yog cov khoom siv los tiv thaiv ultraviolet.Yuav tsum muaj qhov pom tseeb xim txawv ntawm cov suture thiab geotextile kom yooj yim tshuaj xyuas.
7. Ua tib zoo saib xyuas cov stitching thaum lub sij hawm installation kom paub meej tias tsis muaj av los yog gravel los ntawm gravel cover nkag mus rau hauv nruab nrab ntawm geotextile.
Geotextile puas thiab kho:
1. Nyob rau ntawm txoj hlua suture, nws yog ib qho tsim nyog yuav tsum tau rov suture thiab kho, thiab xyuas kom meej tias qhov kawg ntawm txoj hlua khi tau rov ua dua.
2. Nyob rau hauv tag nrho cov cheeb tsam, tshwj tsis yog rau cov pob zeb slopes, ntws los yog torn qhov chaw yuav tsum tau kho thiab stitched nrog geotextile thaj ua rau thaj ntawm tib yam khoom.
3. Nyob rau hauv qab ntawm qhov chaw pov tseg, yog tias qhov ntev ntawm qhov tawg ntau tshaj 10% ntawm qhov dav ntawm lub kauj, qhov kev puas tsuaj yuav tsum raug txiav tawm, thiab tom qab ntawd ob feem ntawm geotextile txuas nrog.
Post lub sij hawm: Sep-22-2022