Masu matsa iska don tsarin jet grouting na ruwa uku suna kayan aiki na matsa lamba mai yawa wanda ke da mahimmanci ga ayyukan tushe mai zurfi da inganta ƙasa na zamani. A cikin jet grouting na ruwa uku, mai matsa iska yana bayar da ɗaya daga cikin ruwan ruwa guda uku—jet na iska mai sauri wanda ke farawa aikin motsawa da haɗawa na ƙasa—yana mai da shi muhimmin sashi a cikin ingancin tsarin gaba ɗaya. Waɗannan masu matsa iska suna haifar da babban jet wanda ke karya tsarin ƙasa kafin a shigar da ruwa-siminti da ruwan biyu na biyu, yana ba da damar ƙirƙirar ginshiƙai masu inganci da daidaito da aka yi amfani da su a cikin daidaita ƙasa, katangar da ba ta shafi ruwa, da abubuwan gini a cikin yanayin ƙasa mai wahala. Tsarin masu matsa iska don jet grouting na ruwa uku yana samun aikace-aikace a cikin faɗin hanyoyin tushe mai zurfi. Ana amfani da su sosai a cikin ginin katangar diaphragm da ginshiƙai na secant, inda ginshiƙan jet grouting ke bayar da abubuwan bango da ake buƙata ko kuma suna daidaita ƙasa mai kusa; a cikin shigar da katangar katako don kulawa da ruwa da katangar hana gurbatawa; a cikin tsarin katangar ginshiƙai inda ginshiƙai ke samar da abubuwan gini masu ɗaukar nauyi; da kuma a cikin haɗa ƙasa da daidaita ƙasa a cikin wuri. Waɗannan tsarin suna kuma tallafawa jet grouting don ƙarfafa seismic, rage liquefaction, gyara hanyoyin, da inganta yanayin ƙasa na iyaka inda shigar da ginshiƙai na gargajiya ba ya yiwu. Ka'idar aiki tana dogara da isar da iska mai matsa lamba a ƙarƙashin matsa lamba wanda yawanci ke tsakanin 150 da 250 bar, kodayake aikace-aikace na musamman a cikin ƙasa mai kauri da haɗaka na iya buƙatar matsa lamba fiye da 300 bar. Ana isar da ruwan iska ta hanyar nozzle na tsakiya a kan ƙwanƙwasan hakowa, yana tafiya da sauri don ba da damar ingantaccen juyin ƙasa da haɗawa a gefe yayin da aka janye ƙwanƙwasan. Masu matsa iska suna kula da matsa lamba da gudu don tabbatar da daidaiton diamita na jet da zurfin shigarwa—muhimman abubuwa a cikin geometry na ginshiƙai da haɓaka ƙarfin. A lokaci guda, slurry na ruwa-siminti (yawanci 30 zuwa 50% solids) da ruwan biyu na biyu (kamar juyin bentonite) ana fitar da su ta hanyar nozzle daban, tare da jet na iska yana bayar da ƙarfin da ke rarraba da haɗawa waɗannan ruwan a gefe cikin tarin ƙasa da aka karya. Tsarin masu matsa iska don tsarin ruwa uku yawanci sun haɗa da masu matsa iska na piston ko na ƙwanƙwasa da aka ɗora a kan skid tare da fitarwa daga 5 zuwa 15 m³/min ko sama da haka, dangane da bukatun aiki da manufofin samarwa. Kayan aikin an tsara su don sabis mai nauyi na ci gaba tare da ingantaccen tacewa na matakai da tsarin raba danshi da sanyaya don kula da ingancin iska—muhimmin abu don jet grouting na daidaito inda ruwa ko gurɓataccen abu ke kawo cikas ga daidaiton ginshiƙai da ɗorewa. Ka'idodin zaɓi suna mai da hankali kan ƙarfin matsa lamba, yawan gudu, amincin tsarin aiki, ƙa'idodin ingancin iska mai matsa lamba (ISO 8573-1 Class 2 mafi ƙaranci), ɗaukar hoto, ingancin mai, da kuma dacewa da tsarin kulawa na masana'antu na atomatik. Bin ƙa'idodin EN 14679 don aiwatar da jet grouting da bin ƙa'idodin tsaro na ma'aikata yana tabbatar da ginin tushe mai zurfi mai lafiya da bin doka.
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