Kodi pali kusiyana kotani pakati pa dry-mix ndi wet-mix shotcrete?

Shotcrete ndi zida zomangira zomwe zimagwiritsidwa ntchito popanga zinthu zomanga monga makoma, pansi, ndi madenga. Ndizinthu zosunthika kwambiri zomwe zingagwiritsidwe ntchito pazinthu zosiyanasiyana, kuphatikizapo zomangira ngalande, maiwe osambira, ndi makoma osungira. Pali njira ziwiri zazikulu zogwiritsira ntchito shotcrete: dry-mix ndi wet-mix. Ngakhale njira zonse ziwirizi zimaphatikizapo kupopera konkire kapena matope pamwamba pogwiritsa ntchito chipangizo chopopera mpweya, pali kusiyana kwakukulu pa momwe zinthuzo zimakonzedwera ndikugwiritsidwa ntchito. M'nkhaniyi, tikambirana kusiyana pakati pa dry-mix ndi wet-mix shotcrete.

Dry-mix Shotcrete:

Dry-mix shotcrete, yomwe imadziwikanso kuti gunite, ndi njira yopopera madzi konkire kapena matope pamwamba ndikuwonjezera madzi pamphuno. Zida zowuma zimasakanizidwa kale ndikuyikidwa mu hopper, zomwe zimadyetsa kusakaniza mu makina owombera. Makinawa amagwiritsa ntchito mpweya woponderezedwa kuti ayendetse zinthu zowuma kudzera pa hose, yomwe imalunjikitsidwa pamalo omwe mukufuna. Pamphuno, madzi amawonjezeredwa kuzinthu zowuma, zomwe zimayendetsa simenti ndikulola kuti zigwirizane ndi pamwamba.

Mmodzi mwa ubwino waukulu wa dry-mix shotcrete ndikuti amalola kulamulira kwakukulu pakupanga kusakaniza. Chifukwa chakuti zinthu zowuma zimasakanizidwa kale, kusakaniza kungasinthidwe kuti zigwirizane ndi zofunikira zenizeni za mphamvu, kugwira ntchito, ndi kukhazikitsa nthawi. Izi zimapangitsa kukhala chisankho chabwino pamapulogalamu apadera pomwe pamafunika kulondola kwambiri.

Ubwino wina wa dry-mix shotcrete ndikuti ukhoza kugwiritsidwa ntchito mu zigawo zoonda kuposa shotcrete yonyowa. Izi zimapangitsa kukhala chisankho chabwino pamapulogalamu omwe ali ndi nkhawa, monga pamiyala ya mlatho kapena nthawi zina pomwe zinthu zopepuka zimafunikira.

Komabe, dry-mix shotcrete ilinso ndi zovuta zina. Chifukwa chakuti zinthu zowuma zimayendetsedwa ndi mpweya woponderezedwa, pakhoza kukhala kuchuluka kwa rebound kapena overspray, zomwe zingapangitse malo ogwirira ntchito mosokoneza komanso zingayambitsenso kutaya zinthu. Kuonjezera apo, chifukwa madzi amawonjezedwa pamphuno, pakhoza kukhala kusiyana kwa madzi, zomwe zingakhudze mphamvu ndi kusasinthasintha kwa mankhwala omaliza.

Wet-mix Shotcrete:

Wonyowa-mix shotcrete ndi njira yopopera konkire kapena matope pamtunda womwe umaphatikizapo kusakaniza zinthuzo ndi madzi zisanalowetsedwe mu makina a shotcrete. Zinthu zonyowazo amazipopera kudzera papaipi ndikupopera pamalo omwe akuwuzidwa ndi mpweya woponderezedwa. Chifukwa chakuti zinthuzo zimasakanizidwa kale ndi madzi, zimafunikira mpweya wochepa kuti upititse patsogolo pa hose kusiyana ndi dry-mix shotcrete.

Ubwino umodzi waukulu wa chonyowa-mix shotcrete ndikuti umatulutsa zobwereza pang'ono kapena zochulukirapo kuposa zowuma zosakaniza. Chifukwa chakuti zinthuzo zimasakanizidwa kale ndi madzi, zimakhala ndi liwiro lotsika pamene zimatuluka pamphuno, zomwe zimachepetsa kuchuluka kwa zinthu zomwe zimabwereranso pamwamba. Izi zimapangitsa kuti malo ogwirira ntchito azikhala aukhondo komanso zinthu zosawonongeka.

Ubwino wina wa chonyowa-kusakaniza shotcrete ndikuti umapanga chinthu chokhazikika komanso chofananira kuposa shotcrete yowuma. Chifukwa chakuti kusakaniza kumasakanizidwa kale ndi madzi, pali kusiyana kochepa m'madzi, zomwe zingapangitse mphamvu yofanana ndi kugwirizana.

Komabe, chonyowa-mix shotcrete ilinso ndi zovuta zina. Chifukwa chakuti zinthuzo zimasakanizidwa kale ndi madzi, palibe ulamuliro wochepa pa kapangidwe ka kusakaniza kusiyana ndi kusakaniza kowuma. Kuonjezera apo, chonyowa chosakaniza chowombera chimafuna zipangizo zambiri ndipo chikhoza kukhala chokwera mtengo kuposa chowombera chowuma. Pomaliza, chifukwa shotcrete yosakaniza yonyowa imakhala ndi madzi ochulukirapo, imatha kutenga nthawi yayitali kuti ichiritsidwe ndipo imatha kusweka ndi kuchepa.

Pomaliza:

Mwachidule, onse owuma osakaniza ndi onyowa-osakaniza shotcrete ali ndi ubwino ndi zovuta zawo.