Waɗannan mabumbumbu na gine-gine sune mabumbumbu na polymeric wanda aka tsara don aiki a cikin ƙasa da kuma na kasa, wanda yake ba da rarrabuwa, ƙarfi, drainage, da kuma kasa na ƙarfi na ƙarfi na ƙarfi na ƙarfi na ƙarfi. Geotextiles sune mabumbumbu na ƙarfi wanda aka yi daga polypropylene ko polyester fibers, yayin da geomembranes sune mabumbumbu na ƙarfi wanda aka yi daga polyethylene, polypropylene, PVC, ko mabumbumbu na ƙarfi.
Geotextiles sune kayan kayan masana'antu waɗanda aka yi daga polymers na synthetic kama polypropylene, polyester, ko polyethylene, waɗanda aka tsara don aiki a matsayin ayyuka masu mahimmanci a cikin tabbatar da ƙasa, filtration, da aikin tallafawa. Waɗannan textiles masu zubar da jini an samar dasu ta hanyar aikin woven ko non-woven, wanda ke haifar da kayan da ke da sifa daban-daban na zubar da jini, ƙarfin ƙarfi, da ɗorewa. A cikin gini na foundation na zurfi da injiniya na geotechnical, geotextiles na aiki a matsayin abubuwan da ke aiki a matsayin ayyuka masu mahimmanci waɗanda ke aiki a matsayin ayyuka masu mahimmanci tare da ƙasa, ruwa, da mambobi na gini don haɓaka aikin aikin da dogon lokaci.
Geomembranes na na'urar continuous, flexible membrane barriers wanda aka yi shi daga synthetic polymer materials, musamman high-density polyethylene (HDPE), low-density polyethylene (LDPE), polypropylene (PP), polyvinyl chloride (PVC), ko specialized elastomeric compounds. Wannan impermeable ko semi-permeable sheets na na'urar hydraulic containment layers, wanda yake hana fluid migration through soil da rock masses. Modern geomembranes aka tsara don jure mechanical stress, chemical exposure, da environmental degradation yayin da ake riwa dimensional stability a tsawon lokaci na aiki.
Mats na drainage suna wani tsarin geotextile na injiniya da aka tsara don tattara, hanyar, da koma ruwan ƙasa da ruwan saman daga ɓangaren gini, embankments, da ɓangaren gini ƙasa. Waɗannan kayan suna da yawa sun ƙunshi matricies na polypropylene ko polyethylene na ƙarni uku, galibi laminated tare da nonwoven geotextile layers a daya ko duka biyu. Tsarin ƙasa ya ƙirƙiri chanels da ke riƙe da hydraulic conductivity mai ɗorewa yayin da yake hana shigowar ɓangaren ƙasa, wanda ya sa su zama ɓangare mai mahimmanci a cikin injiniyan geotechnical na zamani da ayyukan gini na foundation.
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