Labari daga Disamba 2018
A cikin 'yan lokutan nan, ƙungiyoyin layin dogo a duk faɗin duniya sun koma yin amfani da kayan aikin geosynthetics a matsayin mafita mai rahusa don daidaita ballast.A cikin wannan ra'ayi, an gudanar da bincike mai zurfi a duk duniya don tantance aikin ballast mai ƙarfafa geosynthetic a ƙarƙashin yanayi daban-daban.Wannan takarda tana kimanta fa'idodi daban-daban da masana'antar dogo za ta iya samu saboda ƙarfafawar geosynthetic.Bita na wallafe-wallafen yana nuna cewa geogrid yana kama yada ballast a gefe, yana rage girman madaidaicin daidaito kuma yana rage raguwar ɓarna.Hakanan an samo geogrid don rage girman matsa lamba a cikin ballast.An lura da haɓaka aikin gabaɗaya saboda geogrid don zama aikin haɓaka ingantaccen aiki (φ).Haka kuma, binciken ya kuma kafa ƙarin rawar geogrids don rage bambance-bambancen waƙa da rage damuwa a matakin ƙasa.An gano abubuwan geosynthetics sun fi fa'ida idan akwai waƙoƙin da ke hutawa a kan ƙananan ƙananan abubuwa.Bugu da ƙari kuma, an sami fa'idodin geosynthetics a cikin tabbatar da ballast suna da girma sosai lokacin da aka sanya su a cikin ballast.Mafi kyawun wuri na geosynthetics an ruwaito daga masu bincike da yawa ya zama kusan 200-250 mm ƙasa da soffit mai barci don zurfin ballast na al'ada na 300-350 mm.Yawancin binciken filin da tsare-tsaren gyara waƙa sun kuma tabbatar da rawar geosynthetics/geogrids wajen daidaita waƙoƙin ta haka suna taimakawa wajen cire tsattsauran ƙuntatawa na sauri waɗanda aka sanya a baya, da haɓaka tazarar lokaci tsakanin ayyukan kulawa.
Lokacin aikawa: Satumba-28-2022