Rau cov geotextiles loj, ob chav seam vuam tshuab feem ntau yog siv rau kev vuam, thiab qee qhov chaw yuav tsum tau kho thiab txhawb nqa los ntawm extrusion vuam tshuab. Geomembrane yog tsim nyog yog tias nws tau tso nruj me ntsis raws li qhov yuav tsum tau ua ntawm qhov nqes hav thiab lub dav hlau sib koom ua ke.
Xyuas kom meej tias qhov chaw hauv qab ntawm qhov sib koom ua ke du thiab ruaj khov. Yog tias muaj cov khoom txawv teb chaws, lawv yuav tsum tau muab pov tseg kom zoo ua ntej. Xyuas seb qhov dav ntawm qhov sib tshooj ntawm qhov vuam puas tsim nyog, thiab geomembrane ntawm qhov sib koom ua ke yuav tsum tiaj tus thiab nruj me ntsis. Siv rab phom cua kub los ntsuas qhov hnyav ntawm ob lub geomembranes. Cov khoom sib koom ua ke raug sib txuas ua ke. Qhov deb ntawm cov ntsiab lus sib txuas yuav tsum tsis pub tshaj 80 hli. Tswj qhov kub ntawm huab cua kub yam tsis rhuav tshem geomembrane.
Geomembrane yeej tsis muaj kev taw qhia kab rov tav hauv kev vuam nqes hav. Yuav ua li cas thiaj suav tias nws tsim nyog? Kev tso geomembrane ntawm qhov nqes hav thiab lub dav hlau sib koom ua raws li qhov yuav tsum tau ua, uas yog, nws tsim nyog. Lub geomembrane ntawm lub hauv qab tiv thaiv kev seepage system yog pw nrog bentonite waterproof pam, thiab lub capping geomembrane anti-seepage system yog muab tso ncaj qha rau hauv cov av ntawm cov khib nyiab kev lag luam. Ua ntej tso geomembrane, lub qab nthab yuav tsum tau kuaj xyuas kom meej, thiab lub hauv paus yuav tsum khov kho thiab tiaj tus, nrog qhov tob ntawm 25 hli tsis muaj cag. Cov av organic, pob zeb, cov pob zeb ua vaj tse thiab cov hlau tuav yuav cuam tshuam rau cov khoom siv ntawm geomembrane.
Thaum tso geomembrane, qhov kev hloov pauv tensile los ntawm kev hloov pauv kub yuav tsum tau xav txog. Vim tias lub zog qis ntawm cov txheej ntawm qhov vuam, qhov dav ntawm qhov sib tshooj ntawm cov txheej thiab cov txheej yuav tsum tsis pub tsawg dua 15 cm. Hauv qab qhov xwm txheej ib txwm muaj, qhov kev taw qhia ntawm qhov sib koom ua ke yuav tsum tau teeb tsa raws li qhov kev taw qhia ntawm qhov nqes hav.
Cov lus qhia saum toj no yog cov lus qhia tshwj xeeb txog geomembrane raws li qhov yuav tsum tau ua rau cov kab nqes thiab cov pob qij txha dav hlau.
Lub sijhawm tshaj tawm: Tsib Hlis-13-2025
