Lub Chaw Haujlwm Saib Xyuas Kev Nyab Xeeb Hauv Lub Tebchaws thiab Lub Tsev Haujlwm Saib Xyuas Kev Nyab Xeeb Kev Nyab Xeeb tau tshaj tawm thaum Lub Xya Hli 1 tias kuv lub tebchaws tau nkag mus rau lub caij dej nyab loj hauv txhua txoj hauv kev, kev tswj dej nyab thiab dej nyab hauv ntau qhov chaw tau nkag mus rau qhov tseem ceeb, thiab cov ntaub ntawv tswj dej nyab. tau nkag mus rau hauv lub xeev ntawm "kev ceeb toom" tib lub sijhawm.
Muab piv rau cov ntaub ntawv tswj dej nyab uas tau tshaj tawm xyoo dhau los, nws tuaj yeem pom tias cov hnab ntim khoom, geotextiles, cov ntaub ntawv pov thawj, cov ceg ntoo, cov hlau hlau, cov twj submersible, thiab lwm yam tseem yog cov tswv cuab tseem ceeb ntawm cov ntaub ntawv tswj dej nyab.Dab tsi yog qhov txawv ntawm xyoo dhau los yog tias xyoo no, qhov feem pua ntawm geotextiles hauv cov ntaub ntawv tswj dej nyab tau txog 45%, uas yog qhov siab tshaj plaws nyob rau xyoo dhau los, thiab tau dhau los ua "tus pab tshiab" tseem ceeb tshaj plaws hauv kev tswj dej nyab thiab dej nyab kev ua haujlwm. .
Qhov tseeb, ntxiv rau kev ua lub luag haujlwm tseem ceeb hauv kev tswj dej nyab, nyob rau xyoo tas los no, cov ntaub ntawv geotextile kuj tau ua tiav hauv txoj kev loj, kev tsheb ciav hlau, kev txuag dej, kev ua liaj ua teb, txuas hniav, chaw nres nkoj, ib puag ncig engineering, muaj zog thiab lwm yam haujlwm nrog lawv. zoo heev cov khoom.Lub Freedonia Group, ib lub koomhaum pabcuam kev lag luam uas paub zoo hauv Tebchaws Meskas, kwv yees tias kev xav tau thoob ntiaj teb rau txoj kev, kev tsim vaj tsev zoo thiab kev tiv thaiv ib puag ncig, nrog rau kev nthuav dav ntawm lwm daim ntawv thov, lub ntiaj teb kev thov rau geosynthetics yuav ncav cuag. 5.2 billion square meters nyob rau hauv 2017. Nyob rau hauv Tuam Tshoj, Is Nrias teb, Russia thiab lwm qhov chaw, ib tug loj tus naj npawb ntawm infrastructure yog npaj thiab yuav muab tso rau hauv ib tug tom qab kev tsim kho.Ua ke nrog kev hloov pauv ntawm kev tiv thaiv ib puag ncig thiab kev tsim kho kev tsim kho, cov kev lag luam tawm tshiab no yuav tsum loj hlob tsis tu ncua nyob rau lub sijhawm tom ntej.Ntawm lawv, qhov kev thov hauv Tuam Tshoj Kev Loj Hlob yuav tsum suav nrog ib nrab ntawm tag nrho cov kev xav tau thoob ntiaj teb.Cov teb chaws tsim kho kuj muaj peev xwm loj hlob.Hauv North America, piv txwv li, kev loj hlob feem ntau yog tsav los ntawm kev tsim kho tshiab thiab kev tswj hwm ib puag ncig, thiab sib piv hauv Western Europe thiab Nyiv.
Raws li cov ntaub ntawv tshawb fawb los ntawm lub tuam txhab tshawb fawb kev lag luam Transparency Market Research, lub ntiaj teb geotextiles kev ua lag luam yuav nce ntxiv ntawm kev loj hlob txhua xyoo ntawm 10.3% hauv 4 xyoo tom ntej, thiab xyoo 2018, kev lag luam tus nqi yuav nce mus txog 600 lab US dollars;Qhov kev thov rau geotextiles yuav nce mus rau 3.398 billion square metres hauv xyoo 2018, thiab qhov kev loj hlob txhua xyoo yuav nyob ntawm 8.6% nyob rau lub sijhawm.Txoj kev loj hlob zeem muag tuaj yeem piav qhia tias "zoo".
Ntiaj teb no: Lub paj ntawm daim ntawv thov "booms txhua qhov chaw"
Raws li lub teb chaws uas muaj kev noj ntau tshaj plaws ntawm geotextiles nyob rau hauv lub ntiaj teb no, lub tebchaws United States tam sim no muaj txog 50 loj-scale geosynthetics manufacturing tuam txhab uas muag nyob rau hauv kev ua lag luam.Hauv xyoo 2013, Tebchaws Meskas tau tshaj tawm tsab cai lij choj MAP-21 Kev Thauj Mus Los, uas tuaj yeem ua tau raws li cov kev cai tsim nyog rau kev thauj mus los thiab kev tswj hwm thaj chaw.Raws li Txoj Cai Lij Choj, tsoomfwv yuav faib nyiaj 105 billion US dollars los txhim kho kev thauj mus los hauv av hauv Tebchaws Meskas.Mr. Ramkumar Sheshadri, tus kws tshaj xov xwm ntawm American Nonwovens Industry Association, tau taw qhia tias txawm hais tias tsoomfwv txoj kev loj hlob hauv lub xeev yuav muaj kev cuam tshuam rau kev ua lag luam pavement thaum lub Cuaj Hlis 2014 tseem tsis tau paub, tab sis nws yog qhov tseeb tias US geosynthetics kev lag luam yuav yog. hauv khw.Hauv xyoo 2014, nws tau ua tiav qhov kev loj hlob ntawm 40%.Yawg Ramkumar Sheshadri kuj tau kwv yees hais tias nyob rau hauv 5 mus rau 7 xyoo tom ntej no, US geosynthetics kev lag luam tej zaum yuav tsim kev muag khoom ntawm 3 lab mus rau 3.5 lab US dollars.
Hauv cheeb tsam Arab, txoj kev tsim kho thiab av erosion tswj engineering yog ob qhov chaw siv loj tshaj plaws ntawm geotextiles, thiab qhov kev thov rau geotextiles rau kev tiv thaiv av yaig yuav tsum loj hlob ntawm ib xyoos ib zaug ntawm 7.9%.Xyoo no tshiab "Geotextiles thiab Geogrids Kev Txhim Kho hauv United Arab Emirates (UAE) thiab Gulf Kev Koom Tes Council (GCC)" qhia tau hais tias nrog kev nce hauv kev tsim kho, kev lag luam geotextiles hauv UAE thiab GCC jurisdictions Nws yuav ncav cuag 101 lab. Teb Chaws Asmeskas las, thiab nws xav tias yuav tshaj 200 lab US las los ntawm 2019;nyob rau hauv cov nqe lus ntawm kom muaj nuj nqis, tus nqi ntawm geotechnical cov ntaub ntawv siv nyob rau hauv 2019 yuav ncav cuag 86.8 lab square meters.
Tib lub sijhawm, tsoomfwv Indian tab tom npaj tsim txoj kev loj hauv tebchaws 20-kilometer, uas yuav txhawb nqa tsoomfwv los nqis peev 2.5 billion yuan hauv cov khoom lag luam geotechnical;tsoomfwv Brazilian thiab Lavxias tseem tsis ntev los no tau tshaj tawm tias lawv yuav tsim txoj kev dav dua, uas yuav ua tau zoo dua rau cov khoom lag luam geotechnical.Qhov kev thov rau cov ntaub ntawv yuav qhia ib tug linear upward trend;kev txhim kho ntawm Tuam Tshoj txoj kev tsim kho vaj tse kuj tseem nyob rau hauv tag nrho viav vias xyoo 2014.
Hauv tsev: "ib lub hnab ntim khoom" ntawm cov teeb meem tsis daws teeb meem
Raws li kev txhawb nqa ntawm cov cai, peb lub teb chaws cov khoom siv geosynthetics twb muaj ib lub hauv paus, tab sis tseem muaj "lub hnab ntawm cov teeb meem loj thiab me" xws li kev rov ua kom qis qis, tsis muaj kev saib xyuas rau cov khoom tsim thiab kev tshawb fawb sab hauv thiab sab nraud.
Wang Ran, tus xibfwb ntawm Lub Tsev Kawm Ntawv ntawm Kev Tshawb Fawb thiab Engineering ntawm Nanjing University, tau taw qhia hauv kev xam phaj tias kev txhim kho ntawm kev lag luam geotextile yog qhov sib cais los ntawm tsoomfwv txoj cai qhia thiab kev txhawb nqa.Nyob rau hauv sib piv, tag nrho cov txuj ci theem ntawm kev lag luam yog tseem nyob rau theem qis.Piv txwv li, kev lag luam geotextile hauv cov teb chaws tsim kho xws li Nyiv thiab Tebchaws Meskas yuav nqis peev ntau ntawm cov neeg ua haujlwm thiab cov khoom siv hauv engineering tsim thiab kev sim huab cua, thiab ua cov kev tshawb fawb tseem ceeb ntawm kev cuam tshuam ntawm atmospheric ib puag ncig ntawm cov khoom thiab cov khoom siv. cov teebmeem ntawm marine ib puag ncig ntawm cov khoom.Kev ua haujlwm tau muab cov kev tshawb fawb yooj yim lav rau kev txhim kho cov khoom zoo thiab cov ntsiab lus ntawm cov khoom tom ntej, tab sis kuv lub teb chaws muaj kev tshawb fawb thiab kev nqis peev tsawg heev hauv cheeb tsam no.Tsis tas li ntawd, qhov zoo ntawm cov khoom siv niaj hnub tseem yuav tsum tau txhim kho, thiab tseem muaj ntau chav rau kev txhim kho hauv kev ua cov thev naus laus zis.
Ntxiv rau qhov kho vajtse tsis yog "nyuaj" txaus, kev txhawb nqa software tsis tau khaws cia.Piv txwv li, qhov tsis muaj qauv yog ib qho teeb meem loj tshaj plaws hauv kev txhim kho kuv lub teb chaws kev lag luam geotextile.Cov teb chaws txawv teb chaws tau tsim kom muaj ntau dua, ua tiav thiab subdivided txheem txheej txheem raws li cov khoom sib txawv raw cov ntaub ntawv, daim ntawv thov teb, kev ua haujlwm, cov txheej txheem ua, thiab lwm yam, thiab lawv tseem tab tom hloov kho thiab hloov kho.Nyob rau hauv kev sib piv, kuv lub teb chaws lags ntau nyob rau hauv no hais txog.Cov qauv tsim tam sim no feem ntau suav nrog peb ntu: daim ntawv thov kev qhia tshwj xeeb, cov qauv khoom thiab cov qauv xeem.Cov qauv kev sim rau geosynthetics siv yog tsim los ntawm kev siv rau ISO thiab ASTM cov qauv.
Tam sim no: "Kev sib txuas lus mob siab rau" hauv kev tsim kho geotechnical
Kev txhim kho yog qhov tseeb tsis yooj yim.Raws li cov ntaub ntawv tshawb fawb los ntawm Tuam Tshoj Industrial Textiles Industry Association, kuv lub teb chaws txoj kev lag luam geotechnical tab tom ntsib ib puag ncig zoo sab nraud: ua ntej, lub xeev tseem nce kev nqis peev hauv kev thauj mus los, thiab kev txuag dej kev nqis peev kuj tau loj hlob tsis tu ncua, muab cov neeg siv khoom ruaj khov rau kev lag luam. ;Thib ob, Lub tuam txhab nquag tshawb nrhiav kev lag luam ib puag ncig engineering, thiab lub tuam txhab cov lus txiav txim kuj tseem puv rau xyoo.Kev lag luam tiv thaiv ib puag ncig tau dhau los ua qhov kev loj hlob tshiab rau cov ntaub ntawv geotechnical.Thib peb, nrog rau kev loj hlob ntawm kuv lub teb chaws cov kev cog lus engineering txawv teb chaws, kuv lub teb chaws cov ntaub ntawv geotechnical tau mus txawv teb chaws los txhawb ntau qhov haujlwm loj.
Zhang Hualin, tus thawj coj ntawm Yangtze River Estuary Waterway Construction Co., Ltd., ntseeg hais tias geotextiles muaj kev cia siab rau kev lag luam hauv kuv lub teb chaws, thiab txawm tias yog lub lag luam loj tshaj plaws hauv ntiaj teb.Zhang Hualin tau taw qhia tias cov ntaub ntawv geosynthetic koom nrog kev tsim kho, kev txuag dej, textile thiab lwm yam kev lag luam, thiab ntau yam kev lag luam yuav tsum muaj kev sib txuas lus cov ntaub ntawv tsis tu ncua, ua kom muaj kev sib koom tes ntawm cov khoom siv geosynthetic, thiab ua cov khoom tsim thiab kev loj hlob rau cov kev lag luam sib txawv, txawv engineering tej yam kev mob. kev pabcuam.Nyob rau tib lub sijhawm, cov tuam txhab tsis-woven geotextile yuav tsum tau nthuav dav ntxiv rau kev txhim kho ntawm cov haujlwm cuam tshuam, thiab muab cov ntaub ntawv txhawb nqa sib xws rau cov tuam txhab kev yuav khoom hauv qab los ntawm kev koom tes nrog cov tuam txhab upstream, kom cov khoom siv tau zoo dua hauv cov haujlwm.
Tsis tas li ntawd, qhov kev ntsuam xyuas tsim nyog yog kev saib xyuas cov khoom zoo thiab engineering zoo, thiab tseem yog lub luag haujlwm rau tib neeg cov khoom.Kev tshuaj xyuas qhov project zoo thiab ua kom muaj kev nyab xeeb ntawm kev tsim kho yog ib feem tseem ceeb ntawm daim ntawv thov engineering.Tom qab xyoo ntawm kev sim ua tau zoo, nws tau pom tias cov khoom lag luam thiab cov yam ntxwv ntawm geosynthetics tuaj yeem nkag siab los ntawm kev sim kuaj lossis kev sim teb ntawm geosynthetics, thiab tom qab ntawd cov qauv tsim kom raug tuaj yeem txiav txim siab.Cov ntsuas ntsuas ntawm geosynthetics feem ntau muab faib ua cov ntsuas kev ua haujlwm ntawm lub cev, ntsuas kev ua haujlwm ntawm lub cev, ntsuas kev ua haujlwm hydraulic, ntsuas kev ua haujlwm ruaj khov, thiab ntsuas kev sib cuam tshuam ntawm geosynthetics thiab av.Nrog rau kev siv dav ntawm geotextiles hauv kev tsim kho engineering thiab kev siv cov txheej txheem kev sim siab, kuv lub teb chaws cov qauv ntsuas yuav tsum tau txhim kho tas li.
Puas yog kev sib txuas ntawm cov dej ntws thiab cov dej ntws tau npaj lawm?
Enterprise hais tias
Cov neeg siv kev txhawj xeeb txog kev txhim kho cov khoom zoo
Nyob rau hauv txawv teb chaws infrastructure tej yaam num, qhov kev faib ua feem ntawm industrial industrial fabrics tau mus txog 50%, thaum lub sij hawm tam sim no domestic kev faib ua feem tsuas yog 16% mus rau 17%.Qhov sib txawv pom tseeb kuj qhia tau hais tias qhov chaw loj hlob hauv Suav teb.Txawm li cas los xij, kev xaiv cov khoom siv hauv tsev lossis cov khoom siv txawv teb chaws yeej ib txwm ua rau ntau lub tuam txhab lag luam entangled.
Peb lees tias thaum pib, thaum ntsib kev tsis ntseeg txog kev ua tau zoo ntawm cov cuab yeej siv hauv tsev los ntawm cov tuam txhab lag luam, nws yog qhov tseeb "tsis tseeb", tab sis nws yog qhov tseeb vim tias cov kev tsis txaus siab no uas peb nquag txhim kho, thiab tam sim no tsis yog tsuas yog muaj cov nqi ntawm cov khoom siv. yog 1/3 ntawm cov khoom siv txawv teb chaws tuaj txawv teb chaws, qhov zoo ntawm cov khoom hnyav hnyav ua tau nyob ze lossis zoo dua li ntawm cov teb chaws txawv teb chaws.Nws yog undeniable tias txawm hais tias peb lub teb chaws yog me ntsis qab nyob rau hauv txoj kev loj hlob ntawm cov khoom zoo, lub domestic theem tau mus txog rau lub thawj-chav kawm ntawv qib nyob rau hauv lub teb ntawm industrial fabrics.
Shijiazhuang Textile Machinery Co., Ltd., yog lub hauv paus tsim loj tshaj plaws ntawm cov khoom tshwj xeeb rau kev lag luam textiles nyob rau hauv Suav teb, feem ntau tsim dav polyester mesh looms, ntau txheej siv looms rau industrial mining, thiab ultra-wide geotextile looms.Niaj hnub no, lub tuam txhab siv zog los tsim lub tiaj tus tsuas yog peb-txoj kev npuag kev lag luam hauv Suav teb nrog kev pab los ntawm GCMT2500 kauv kaus CNC machining chaw thiab tiaj tus peb-txoj kev loom uas tau tsim thiab sim ua, yog li nkag mus rau hauv kev lag luam tub rog thiab pab txhawb rau kuv lub teb chaws tiv thaiv kev lag luam.
Txawm hais tias batch ntawm cov cuab yeej tsim khoom ntawm lub tuam txhab tsis loj, ntau yam yog nplua nuj, thiab nws tuaj yeem hloov kho rau kev lag luam sib txawv.Cov khoom tsim los ntawm peb tus kheej kuj tuaj yeem ua tiav kev ruaj ntseg zoo, thiab kov yeej qhov teeb meem tsis tuaj yeem nres txhua lub sijhawm, txo qhov kev pheej hmoo ntawm kev tsis xws luag hauv cov millet.Ntawm lawv, lub tiaj peb-txoj kev loom tuaj yeem tsis tsuas yog ua kom lub zog tsim kua muag ntawm cov khoom, tab sis kuj tseem muaj zog warp thiab weft lub zog ntawm cov khoom yog nce nyob rau tib lub sijhawm.□ Hou Jianming (Tus Lwm Thawj Coj General ntawm Shijiazhuang Textile Machinery Co., Ltd.)
Cov thev naus laus zis qis tsis tuaj yeem tsis quav ntsej
kuv lub teb chaws geotextiles tseem yuav loj hlob los ntawm ob tug lej hauv 15 xyoo tom ntej, suav nrog kev txuag dej, kev hloov dej sab qab teb mus rau sab qaum teb, nrog rau cov haujlwm xws li chaw nres nkoj, dej ntws, pas dej thiab hiav txwv, thiab cov xuab zeb tswj.Kev nqis peev yuav tsum ncav cuag ib trillion yuan.
Noj Yangtze River Estuary Waterway Project ua piv txwv, tag nrho Yangtze River Estuary Waterway project yuav tsum muaj 30 lab square meters ntawm geotextiles.Thawj theem ntawm txoj haujlwm nrog kev nqis peev ntawm 3.25 billion yuan twb tau siv 7 lab square meters ntawm ntau yam geotextiles.Los ntawm qhov kev xav ntawm kev muab khoom, ntau tshaj 230 geotextile cov tuam txhab tsim khoom thiab ntau tshaj 300 cov kab ntau lawm tau tshwm sim thoob plaws lub tebchaws, nrog rau txhua xyoo muaj peev xwm ntau dua 500 lab square meters, uas tuaj yeem ua tau raws li qhov xav tau ntawm txhua yam.Ntawm qhov tod tes, nws yog qhov muaj peev xwm ua lag luam txaus nyiam, thiab ntawm qhov tod tes, nws yog ib qho kev npaj npaj tau lav.Raws li hom tshiab ntawm cov khoom siv hauv tsev nrog lub zog tseem ceeb thiab nthuav dav ntau yam kev lag luam, geotextiles yog qhov ceev dua hauv kuv lub teb chaws niaj hnub no thaum nthuav dav kev thov hauv tsev thiab kev tsim kho vaj tse.lub ntsiab lus tseeb.
Txawm li cas los xij, tam sim no, kuv lub teb chaws cov khoom tsis-woven geomaterials tseem muaj qhov teeb meem ntawm ib qho khoom sib txawv thiab cov khoom tsis sib haum, thiab qee cov ntaub ntawv tshwj xeeb tsis muaj kev tshawb fawb thiab kev tsim khoom.Hauv cov haujlwm tseem ceeb, vim qhov tsis txaus ntawm ntau yam lossis tsis zoo, nws tseem yuav tsum tau xa cov khoom zoo geotextiles los ntawm txawv teb chaws.Tsis tas li ntawd, ntau cov khoom lag luam fiber ntau thiab cov chaw tsim khoom geotextile tuav ib qho kev sib txuas thiab kev ua haujlwm ywj pheej, uas txwv tsis pub muaj txiaj ntsig zoo thiab kev loj hlob ntawm geotextiles.Nyob rau tib lub sijhawm, yuav ua li cas txhawm rau txhim kho qhov zoo ntawm tag nrho qhov project thiab txo cov nqi tu ntau hauv lub sijhawm tom qab kuj yog ib qho teeb meem uas tsis tuaj yeem tsis quav ntsej.Hauv kuv lub tswv yim, qhov kawg daim ntawv thov ntawm geotextiles yuav tsum muaj kev koom tes zoo tshaj plaws nyob rau hauv tag nrho cov kev lag luam saw, thiab kev sib txuas ntawm cov khoom siv raw, cov cuab yeej siv rau cov khoom kawg tuaj yeem ua tiav kev daws teeb meem rau kev lag luam no.□ Zhang Hualin (General Manager ntawm Shandong Tianhai Tshiab Material Engineering Co., Ltd.)
Cov kws tshaj lij hais tias
Tshwj xeeb looms sau qhov sib txawv hauv tsev
Noj Shijiazhuang Textile Machinery Company ua piv txwv, thaum lub sij hawm mus ntsib, peb pom ib tug hnyav-duty tshwj xeeb loom nyob rau hauv lub lag luam.Nws qhov dav yog tshaj 15 meters, cov ntaub dav yog 12.8 meters, lub weft insertion tus nqi yog 900 rpm, thiab lub beating quab yuam yog 3 tons./ m, tuaj yeem nruab nrog 16 mus rau 24 kho qhov rooj, qhov ntom ntom ntom tuaj yeem nce lossis txo los ntawm 1200 / 10cm.Xws li ib tug loj loom kuj yog ib tug tsim mesh rapier loom integrating tshuab, hluav taws xob, roj, kua thiab lub teeb.Nws yog thawj zaug uas peb pom thiab zoo siab heev.Cov looms tshwj xeeb no tsis tsuas yog sau cov qhov sib txawv hauv tsev, tab sis kuj tseem xa tawm txawv teb chaws.
Nws yog ib qho tseem ceeb heev rau cov tuam txhab tsim khoom los xaiv txoj cai ntawm kev tsim khoom.Koj yuav tsum ua qhov zoo tshaj plaws raws li koj tus kheej qhov xwm txheej, ua qhov zoo tshaj plaws, thiab coj koj lub luag haujlwm hauv zej zog kom ceev faj.Txhawm rau khiav lub Hoobkas kom zoo, qhov tseem ceeb tsis yog kom muaj ntau tus neeg ua haujlwm, tab sis kom muaj ib pab neeg sib raug zoo thiab sib koom ua ke.□ Wu Yongsheng (Senior Consultant of China Textile Machinery Industry Association)
Standard specifications yuav tsum tau nce
Hauv 10 xyoo tom ntej lossis ntau dua hauv kuv lub tebchaws, yuav muaj ntau qhov kev tsim kho vaj tse yuav tsim, thiab qhov kev thov rau geotextiles kuj yuav nce ntxiv.Civil engineering kev tsim kho muaj lub lag luam loj loj, thiab Tuam Tshoj yuav dhau los ua lag luam loj tshaj plaws rau geosynthetics hauv ntiaj teb.
Geotextiles yog cov khoom lag luam zoo ib puag ncig.Kev paub thoob ntiaj teb kev paub txog ib puag ncig tau nce qhov kev thov rau geomembranes thiab lwm yam khoom siv hluavtaws, vim tias kev siv cov ntaub ntawv no muaj kev cuam tshuam me ntsis rau cov xwm txheej thiab tsis ua rau muaj kev phom sij ntau rau lub ntiaj teb ib puag ncig.Cov tuam tsev muaj feem cuam tshuam tseem ceeb heev rau daim ntawv thov thiab kev tsim cov ntaub ntawv geosynthetic.Lub xeev yuav siv 720 billion yuan los ua kom tiav kev tsim kho ntawm rau 6 lub tsev loj hauv peb xyoos.Nyob rau tib lub sijhawm, cov qauv khoom, cov qauv qauv tsim qauv, thiab kev tsim kho kev qhia tshwj xeeb ntawm cov khoom siv geosynthetic yuav tsum tau ua raws li kev ua tiav.Kev taw qhia tuaj yeem tsim cov kev mob zoo rau kev txhim kho thiab kev siv geosynthetics.□ Zhang Ming (Xov Xwm, Tsev Kawm Ntawv ntawm Cov Khoom Siv Science thiab Engineering, Tianjin University)
Ntiaj teb no Trends
Geotextiles rau txoj kev loj thiab railways kuj coj txoj kev ntawm "kev txawj ntse"
Tus thawj coj thoob ntiaj teb hauv geotextiles, Royal Dutch TenCate, tsis ntev los no tau tshaj tawm txoj kev txhim kho TenCate Mirafi RS280i, ntse geotextile rau txoj kev thiab kev tsheb nqaj hlau.Cov khoom sib xyaw ua ke siab modulus, dielectric tas li, sib cais thiab zoo heev interfacial synergy, thiab tam sim no tau nkag mus rau lub sijhawm tshuaj xyuas patent.TenCate Mirafi RS280i yog cov khoom thib peb thiab kawg hauv TenCate's RSi cov khoom lag luam.Lwm ob yog TenCate Mirafi RS580i thiab TenCate Mirafi RS380i.Lub qub muaj engineering siab thiab siab zog, thiab yog tsuas yog siv rau lub hauv paus reinforcement thiab mos av.Muaj zog, nrog dej permeability siab thiab av tuav peev xwm;tom kawg yog sib dua li RS580i thiab yog ib qho kev daws teeb meem kev lag luam rau cov cheeb tsam uas muaj kev nruj me ntsis ntawm txoj kev yuav tsum tau ua.
Tsis tas li ntawd, "Vertical Sand Resistant Geotextile" tsim los ntawm Tencate yeej "Water Innovation Award 2013", uas yog suav tias yog lub tswv yim tshiab uas tsis muaj qhov sib piv, tshwj xeeb tshaj yog haum rau thaj chaw tshwj xeeb ntawm thaj chaw ntawm Netherlands.Vertical sand fixation geotextiles yog ib qho kev daws teeb meem tshiab los tiv thaiv kev tsim cov ducts.Lub hauv paus ntsiab lus tseem ceeb yog lub lim dej ntawm cov ntaub ntawv tsuas yog tso cai rau dej hla, tab sis tsis yog xuab zeb.Siv cov khoom thaiv ntawm geotextiles los tsim cov kav dej ntawm lub plhaub, txhawm rau xyuas kom meej tias cov xuab zeb thiab av nyob hauv qab ntawm embankment kom tsis txhob ua rau lub embankment tawg.Raws li cov lus ceeb toom, qhov kev daws teeb meem no yog los ntawm Tencate's Geotube geotube hnab system.Muab qhov no nrog Tencate's GeoDetect sensing thev naus laus zis cog lus tias yuav muaj txiaj ntsig zoo dua thaum txhim kho lub levee.TenCate GeoDetect R yog lub ntiaj teb thawj qhov ntse geotextile system.Cov kab ke no tuaj yeem muab cov lus ceeb toom ntxov ntawm deformation ntawm cov qauv av.
Daim ntawv thov ntawm fiber ntau optical rau geotextiles tuaj yeem muab qee yam haujlwm tshwj xeeb.
Post lub sij hawm: Sep-22-2022