Mkhalidwe Wogwiritsira Ntchito Geogrid mu Expressway Construction

Ngakhale ma geogrid ali ndi magwiridwe antchito abwino ndipo amagwiritsidwa ntchito kwambiri pomanga misewu yayikulu, wolemba amapeza kuti podziwa njira zomangira zolondola amatha kuchita nawo gawo lawo.Mwachitsanzo, ena ogwira ntchito yomanga amamvetsetsa molakwika momwe amayalira ma geogrids ndipo sadziwa bwino ntchito yomangayo.Palinso zolakwika zina pa ntchito yomanga panthawi yomanga, ndipo ntchito yeniyeniyo ikhoza kugawidwa m'mbali zotsatirazi::

(1) Njira yoyakira yolakwika

Njira zopangira zolakwika ndizosathandizanso pakumanga ma geogrids.Mwachitsanzo, pakuyika njira ya geogrids, popeza kupsinjika kwa zida za geogrid kumakhala kosagwirizana, ndikofunikira kuwonetsetsa kuti nthiti za geogrid zikugwirizana ndi kupsinjika kwa ma longitudinal olowa panjira pakuyika, kuti sewera kwathunthu gawo la geogrids.Komabe, ena ogwira ntchito yomanga salabadira njira yoyikamo.Pakumanga, nthawi zambiri amayika geogrid mosiyana ndi komwe kuli kupsinjika kwa nthawi yayitali, kapena malo a geogrid amapatuka pakatikati pa gawo lotalikirapo longitudinal, zomwe zimapangitsa kuti pakhale kupsinjika kosagwirizana kumbali zonse za geogrid.Zotsatira zake, sikuti geogrid imangogwira ntchito yake, komanso imawononga ntchito, zida, ndi mtengo wamakina.

(2）Kupanda luso la zomangamanga

Chifukwa chakuti ambiri ogwira ntchito yomanga misewu ikuluikulu sanalandire maphunziro aukadaulo omanga misewu yayikulu, samvetsetsanso luso la zomangamanga zazinthu zatsopano, monga kuphatikizika kwa ma geogrids, komwe kulibe.Izi zili choncho makamaka chifukwa geogrid yopangidwa ndi wopanga imakhala yochepa ndi kukula kwake, ndipo m'lifupi mwake nthawi zambiri imasiyana kuchokera pa mita imodzi kufika mamita awiri, zomwe zimafuna kuti zikhale ndi m'lifupi mwake pamene mukuyika gawo lalikulu.Komabe, chifukwa cha ukadaulo wosakwanira womanga wophunzitsidwa bwino ndi ogwira ntchito yomanga, mfundoyi nthawi zambiri imanyalanyazidwa pogwira ntchito.Kuphatikizika kochulukira kumatha kukhala kowononga, ndipo kusakwanira kapena kusaphatikizika komwe kungayambitse mosavuta mfundo zofooka zomwe zimalekanitsa ziwirizi, kuchepetsa magwiridwe antchito ndi magwiridwe antchito a geogrids.Chitsanzo china ndi chakuti podzaza ndi kusanja, geogrid imanyalanyaza kugwiritsa ntchito njira zomangira zasayansi, zomwe zimapangitsa kuwonongeka kwa geogrid, kapena kusamalidwa kokwanira panthawi yodzaza subgrade, kapena kuwonongeka kwa geogrid panthawi yokonzanso.Ngakhale kuti zofunikira paukadaulo womanga wa geogrids sizokwera, zolephera zaukadaulozi zakhudza kwambiri luso lauinjiniya wa msewu wonsewo.

(3）Kusamvetsetsa kokwanira kwa ogwira ntchito yomanga

Zofunikira pakuyika zida za geogrid pamakina othamanga ndizovuta kwambiri, koma ena ogwira ntchito yomanga alibe chidziwitso chokwanira cha momwe ma geogrid amagwirira ntchito komanso kapangidwe kake.Pofuna kusunga nthawi, ntchito, ndi zipangizo, nthawi zambiri satsatira mapangidwe oyambirira a zomangamanga, ndipo amangosintha kapena kuletsa kugwiritsa ntchito ma geogrids, potero amachepetsa khalidwe la zomangamanga la XX Expressway, lomwe silingatsimikizidwe bwino.Mwachitsanzo, kuti akwaniritse nthawi yomanga, geogrid sinakhazikike bwino, kapena nthawi yoyika zinthu zisanadzazidwe ndi nthawi yayitali, ndipo pali zinthu zambiri zakunja zomwe zingakhudze magwiridwe antchito ndi mphamvu ya geogrid, monga mphepo. , oyenda pansi, ndi magalimoto.Sikuti ubwino wa zomangamanga ukhoza kutsimikiziridwa, koma ngati geogrid itayikidwanso, idzawononganso nthawi ndikusokoneza kupita patsogolo kwa nthawi yomanga.