Kev Taw Qhia Txog Basalt Fiber Geogrids

2025-02-13

1. Kev txhais ntawm basalt fiber geogrid
Basalt geogrid yog xaiv cov xov paj basalt fiber, kev siv cov tshuab warp knitting txawv teb chaws uas tau muab tso rau hauv lub substrate, kev siv cov qauv warp knitting, ua kom tag nrho siv cov ntaub hauv lub zog ntawm cov xov paj, los txhim kho nws cov khoom siv kho tshuab, yog li nws muaj lub zog tensile zoo, lub zog tsim kua muag thiab kev tiv thaiv creep, thiab tom qab hloov kho asphalt zoo coated nrog lub network planar ntawm cov ntaub ntawv. Nws ua raws li lub hauv paus ntsiab lus ntawm kev sib xws, tsom mus rau nws cov kev ua tau zoo sib xyaw nrog asphalt sib xyaw, thiab tiv thaiv tag nrho cov fiber substrate, zoo heev txhim kho qhov kev tiv thaiv kev puas tsuaj thiab kev tiv thaiv ntawm lub substrate, yog li nws tuaj yeem siv rau kev txhim kho txoj kev, tiv thaiv kev tawg rutting thiab lwm yam kev phom sij ntawm txoj kev, thiab muab xaus rau txoj kev asphalt nyuaj rau txhim kho qhov teeb meem.

2. Cov yam ntxwv ntawm cov fiber geogrid yooj yim

Cov khoom muaj qhov zoo ntawm Muaj Zog Siab, qis elongation, kub tsis kam, siab modulus, lub teeb yuag, zoo toughness, corrosion tsis kam, ntev kev pab cuam lub neej, yooj yim rau haum, thiab lwm yam, tuaj yeem siv dav hauv cov cement qub pavement, tshav dav hlau runway txij nkawm, embankment, ntug dej, kev tiv thaiv nqes hav, txoj kev thiab choj pavement txhim kho kev kho mob thiab lwm yam engineering teb, tuaj yeem muab txoj kev pavement los txhim kho qhov reinforcement, reinforcement, los tiv thaiv rutting qaug zog tawg hauv txoj kev pavement, kub thiab txias nthuav dav thiab contraction tawg thiab cov hauv qab no reflective cracking, thiab Nws tuaj yeem disperse txoj kev bearing kev ntxhov siab thiab ntev lub neej kev pab cuam ntawm txoj kev pavement.
Lub zog tensile siab thiab elongation qis: basalt fiber geogrid yog ua los ntawm basalt fiber ua raw khoom, thiab basalt fiber tensile zog siab heev, ntau dua li lwm cov fiber thiab hlau ib txwm muaj. Tib lub sijhawm, nws muaj modulus siab, tiv taus deformation siab, thiab tawg elongation tsawg dua 3%.
Tsis muaj kev nkag mus ntev: ua cov khoom siv txhawb nqa, nrog lub peev xwm los tiv taus kev hloov pauv hauv cov xwm txheej ntawm lub sijhawm ntev, qhov kev tiv thaiv nkag mus yog qhov tseem ceeb heev, basalt fiber yuav tsis nkag mus, kom ntseeg tau tias cov khoom tuaj yeem tswj tau kev ua haujlwm ntev.
Kev ruaj khov zoo heev ntawm lub cev thiab tshuaj lom neeg: basalt fiber nws tus kheej muaj zog tiv taus acid thiab alkali corrosion, basalt geogrid tuaj yeem tiv taus ntau yam kev hnav lub cev thiab tshuaj lom neeg, tab sis kuj tiv taus kev puas tsuaj ntawm cov kab mob thiab kev hloov pauv huab cua, kom ntseeg tau tias nws cov kev ua tau zoo tsis ploj.
Kev ruaj khov thermal zoo: basalt fiber melting point hauv 1500 ° C lossis ntau dua, siv ntev ntawm qhov kub ntawm -260 ° ~ 650 °, kom ntseeg tau tias basalt geogrid nyob rau hauv kev ua haujlwm paving kom withstand high temperature stability.
Qhov sib sau ua ke ntawm lub xauv thiab kev txwv uas tau muab tso rau hauv: vim tias basalt geogrid yog ib qho qauv mesh, asphalt concrete hauv cov aggregate tuaj yeem nkag mus, yog li ntawd qhov kev tsim ntawm lub xauv embedded mechanical. Qhov kev txwv no cuam tshuam kev txav mus los ntawm cov aggregates, yog li ntawd cov asphalt sib tov hauv cov ntaub ntawv ntawm kev thauj khoom tuaj yeem ua tiav qhov xwm txheej zoo dua ntawm kev sib xyaw, muaj peev xwm thauj khoom ntau dua, kev ua haujlwm zoo dua ntawm kev hloov pauv thiab tsawg dua deformation.
Thiab asphalt sib xyaw ua ke: basalt geogrid hauv cov txheej txheem kho tom qab kho cov ntaub ntawv coated yog tsim rau asphalt sib xyaw, txhua lub fiber yog coated tag nrho nrog asphalt muaj qib siab ntawm kev sib xws, yog li ua kom ntseeg tau tias basalt fiber geogrid hauv asphalt txheej yuav tsis raug cais los ntawm asphalt sib xyaw, tab sis khov kho ua ke.
Kev tawg tsis zoo: basalt geogrid nyob rau hauv txheej asphalt nto, tuaj yeem ua rau lub log siab hla txoj kev thiab ua rau muaj kev ntxhov siab compressive thiab tensile, tsim kom muaj thaj chaw buffer ntawm ob thaj chaw ntxhov siab, maj mam hloov pauv ntawm kev ntxhov siab es tsis yog hloov pauv sai, txo qhov kev hloov pauv sai ntawm kev ntxhov siab ntawm txheej asphalt ntawm kev puas tsuaj. Tib lub sijhawm, qhov qis elongation ntawm basalt geogrid txo qhov khoov ntawm txoj kev, kom ntseeg tau tias txoj kev yuav tsis tshwm sim ntau dhau deformation.
Kev siv cov basalt geogrid hauv cov txheej asphalt, uas ua lub luag haujlwm tseem ceeb hauv cov txheej asphalt. Cov pob zeb asphalt sib sau ua ke hauv cov pob zeb asphalt los ntawm lub grid, tsim cov khoom sib xyaw ua ke, txwv tsis pub cov pob zeb sib sau ua ke txav mus los, ua rau lub zog sib txuas ntawm cov pob zeb asphalt nce ntxiv, thiab cov txheej asphalt ntawm txhua qhov sib koom ua ke, tiv thaiv cov txheej asphalt ntawm cov pob zeb kom tsis txhob sib koom ua ke.
Tiv thaiv kev tawg ntawm qhov kub thiab txias: nyob rau hauv qhov kub thiab txias, asphalt concrete txias shrinkage, ua rau muaj kev ntxhov siab tensile, thaum lub zog tensile ntau dua li lub zog tensile ntawm asphalt concrete, ua rau muaj kev tawg. Basalt geogrid thaum siv asphalt txheej saum npoo, txhim kho lub zog tensile ntawm txheej saum npoo, kom lub zog tensile ntawm asphalt concrete tau zoo heev, tuaj yeem tiv taus kev ntxhov siab tensile loj dua yam tsis muaj kev puas tsuaj. Tsis tas li ntawd, txawm tias vim yog thaj chaw ntawm cov kab nrib pleb, hauv cov kab nrib pleb uas tshwm sim los ntawm kev ntxhov siab concentration, basalt geogrid hloov pauv thiab ploj mus, cov kab nrib pleb yuav tsis tsim mus rau hauv cov kab nrib pleb.
Kev txo qis ntawm cov kab nrib pleb uas cuam tshuam: hauv asphalt nrog basalt geogrid txheej tiaj tus, tiv thaiv kev txiav lossis kev ntxhov siab tensile los ntawm cov tsheb thauj khoom, tso tawm qhov kev ntxhov siab, ua cov khoom siv tensile reinforcement asphalt, kom ua tiav lub hom phiaj ntawm kev ncua kev txo qis ntawm cov kab nrib pleb.

3. Daim ntawv thov geogrid nrog cov fiber yooj yim
Geogrid Hauv kev siv cov kev xav tseem ceeb ntawm lub zog, kev tiv thaiv kua muag, thiab kev sib xyaw ntawm av, kev ruaj khov thiab nws txoj kev lag luam. Tam sim no, geogrid tau siv rau hauv kev tsim txoj kev loj, txoj kev tsheb ciav hlau, txoj kev av, kev txhim kho txoj kab nqes hav, kev txhawb nqa thiab kev khaws cia cov qauv, kev kho pob zeb tawg, kev txhim kho txoj kev thiab kev tiv thaiv thiab tswj kev tawg ntawm kev cuam tshuam. Tshwj xeeb tshaj yog kev siv geogrid hauv kev txhim kho txoj kev thiab kev tiv thaiv kev tawg ntawm kev cuam tshuam. Kev tawg ntawm kev cuam tshuam yog qib kev hauv paus vim qhov kub thiab txias hloov pauv lossis kev thauj khoom loj dhau thiab tsim cov kab nrib pleb, thiab los ntawm kev ntxhov siab ntawm cov txheej txheem mus rau qhov chaw ntawm txoj kev, tsim kev txav ntsug lossis kab rov tav ntawm cov txheej txheem thiab ua rau qhov chaw ntawm txoj kev tawg. Kev siv geogrid ua tau zoo tuaj yeem txhim kho lub zog shear ntawm cov txheej txheem thiab kev ua haujlwm qaug zog ntawm txoj kev, faib cov kev ntxhov siab, yog li tiv thaiv kev tshwm sim ntawm txoj kev tawg, thiab txo cov nqi kho txoj kev. Kev tawg ntawm kev cuam tshuam yog qhov tshwm sim feem ntau pom hauv txoj kev asphalt. Rau cov kab nrib pleb uas cuam tshuam rau ntawm txoj kev, muab ib txheej geotextile tso rau ntawm txheej asphalt thiab txheej hauv qab tuaj yeem tshem tawm lossis qeeb qhov tshwm sim ntawm cov kab nrib pleb uas cuam tshuam rau ntawm txheej saum npoo, yog li ua kom lub neej kev pabcuam ntev dua. Tab sis qhov kub ntawm asphalt pavement pouring txog li 160 ℃, ua rau geotextile lossis polymer geogrid quav, deformation, softening, yog li nws cov kev ua tau zoo txo qis heev. Siv rau hauv asphalt pavement geogrid yog qhov zoo tshaj plaws los siv basalt fiber geogrid, vim tias basalt fiber geogrid muaj kev tiv thaiv cua sov zoo, thiab muaj zog siab, modulus siab, elongation qis, coefficient qis ntawm thermal expansion thiab lwm yam ntxwv.