Jet grouting wata hanya ce ta inganta ƙasa ta musamman wacce ke haɗa juyin ruwa mai ƙarfin matsa lamba tare da shigar da grout mai sarrafawa don ƙirƙirar ginshiƙan ƙasa-cement ko panels masu ci gaba don aikace-aikacen tabbatar da ƙasa da rufewa. Kayan aiki na taimako don jet grouting sun haɗa da tsarin goyon baya da abubuwan da ke ba da damar shigar da ƙasa a ƙarƙashin ƙasa, sarrafa kayan, da lura da aiki. Wannan rukuni yana haɗa da tsarin famfo, na'urorin haɗawa da ƙididdiga, rods da nozzles na shigarwa, na'urorin lura, da kayan aikin hydraulic da sarrafawa da ke aiki a cikin tsarin haɗin gwiwa don isar da grout a cikin matsa lamba, ƙimar, da wurare da suka dace don ingantaccen jiyya na ƙasa. Kayan aikin jet grouting na taimako ana amfani da su a cikin mahallin injiniyan ƙasa da yawa, gami da gina gidajen diaphragm, katanga masu katsewa don sarrafa shigar ruwa, katanga na permeability a ƙarƙashin ƙungiyoyi da daman tailings, tabbatar da ƙasa a kusa da tushe da aka riga aka gina, inganta ƙasa kafin shigar da ginshiƙai, da ƙirƙirar gidajen secant ko tangent pile. Wannan fasahar tana da matuƙar amfani a wuraren da aka gurbata inda jiyya na ƙasa a cikin wuri ya fi so fiye da hakar, a cikin ƙara ƙarfi na tarin ƙasa mai laushi, a cikin tabbatar da rami, da kuma a cikin gyaran ramin tari na tarihi. Aikace-aikacen suna faɗaɗa zuwa ƙarfafa ƙasa a kusa da gine-ginen ƙasa, inganta ƙarfin ɗaukar nauyi don tushe masu shallower, da rage zaɓin a cikin ƙasa mai iya matsawa. Ka'idar aiki tana haɗa da isar da slurry na siminti mai matsa lamba ta hanyar nozzles na shigarwa da aka tsara da kyau a zurfin da kayan aikin hakar na musamman ke sarrafa. Juyin ruwa mai matsa lamba—wanda aka saba ƙirƙira a cikin matsa lamba tsakanin 200 da 600 bar—yana lalata da kuma canza ƙwayoyin ƙasa yayin da yake cike rami da aka ƙirƙira, wanda ke haifar da haɗin ƙasa-cement tare da ingantaccen ƙarfi da rage permeability sosai. Tsarin ruwa guda ɗaya yana shigar da grout kawai; tsarin ruwa biyu yana amfani da juyin iska mai matsa lamba tare da grout don inganta lalata da rage ƙimar; da kuma nau'in ruwa uku yana haɗa da juyin ruwa na ƙarshe na lalata. Kayan aikin dole ne su kula da bambance-bambancen matsa lamba, daidaita ƙimar gudu da kyau, da kuma lura da zurfin shigarwa don tabbatar da jiyya mai ma'ana na yankunan da aka nufa. Babban nau'in kayan aikin a wannan rukuni sun haɗa da famfunan canjin mai kyau (nau'in piston da screw) da aka kimanta don juyin ruwa mai matsa lamba, tsarin haɗin ruwa da juyin ruwa don shayar da grout da kyau; tsarin ƙididdiga na ƙididdiga na shigarwa don maimaitawa; rods na shigarwa masu jujjuyawa tare da haɗin jujjuyawa don daidaita juyin; kanun lura tare da nozzles guda ɗaya ko da yawa; tankunan tarawa don daidaita matsa lamba; da kuma tsarin lura da ainihin lokaci da ke haɗa da ma'aunin matsa lamba, ma'aunin gudu, da na'urorin jin zurfi. Tsarin bututun da haɗin yana buƙatar jure matsa lamba mai ƙarfi yayin da yake tsayayya da lalata daga ƙwayoyin siminti. Ka'idodin zaɓi sun haɗa da nau'in ƙasa da ƙimar ƙasa, buƙatun diamita na ginshiƙi da ƙarfin haɗin, zurfin shigarwa da samun dama, sararin aiki da ake da shi, buƙatun ƙimar samarwa, da ƙayyadaddun aiki da aka bayyana ta hanyar samfuran ƙasa na musamman. Injiniyoyi suna kimanta canjin famfo, ƙimar matsa lamba, da dacewar viscosity na grout. Tsarin nozzle—guda ɗaya ko da yawa, kusurwar juyawa, da diamita na orifice—ana zaɓa bisa ga juriya na lalata ƙasa da kuma ƙirar ginshiƙi da ake so. Ingancin lura dole ne ta dace da daidaito da ake buƙata ta hanyar nauyin tsari da ƙa'idodin aiki. Tsarin kayan aikin jet grouting yana gudanar da ƙa'idodin Turai ciki har da EN 14679 (Aiwar da ayyukan geotechnical na musamman—jet grouting) da ƙayyadaddun fasaha na masana'antun, wanda ke bayyana ƙimar jujjuyawa, daidaiton auna gudu, da ƙa'idodin sarrafa shigarwa. Kayan aikin dole ne su bi ƙa'idodin injina da ƙa'idodin kayan aikin matsa lamba (PED 2014/68/EU) da ƙa'idodin tsaro na aiki da suka dace don tsarin matsa lamba mai ƙarfi.
Aikin dawo da kayan gini yana dauke da tsarin, kayan aiki, da hanyoyin da ake bukata don gudanar da, rarrabawa, da kuma kula da kayan da aka hakar da su da kuma ruwan hakar da aka samar yayin ginin tushe mai zurfi, musamman a cikin shigar da bangon diaphragm, ci gaban katangar katako, ayyukan jet grouting, da hanyoyin hadawa da ƙasa. Wadannan tsarin taimako suna da mahimmanci ga sabbin hanyoyin inganta ƙasa saboda suna sauƙaƙe rarrabawa tsakanin abubuwan slurry daga ƙasar da aka hakar, suna ba da damar sake amfani da kayan ko kuma a zubar da su daidai, da kuma tabbatar da bin ka'idojin muhalli da ke kula da ruwa ƙasa da gudanar da shara. A cikin aikace-aikace, ana amfani da tsarin dawo da kayan gini a duk inda ake samar da manyan adadin ruwan hakar da kayan gini. A lokacin ginin bangon diaphragm da shigar da katangar katako, ruwan hakar da aka daidaita da bentonite yana kula da kwanciyar hankali na ramin; yayin da aka ci gaba da hakar, ruwan hakar yana cike da ƙananan ƙwayoyin ƙasa kuma dole ne a ci gaba da juyawa ta cikin tashoshin kula da shi don kula da ingancin da za a iya amfani da shi. Hakanan, ayyukan jet grouting suna samar da kayan da ke dawowa zuwa saman cikin ruwan juyawa, suna buƙatar rarrabawa mai inganci tsakanin ƙwayoyin ruwa da ƙwayoyin ƙasa. A cikin aikace-aikacen haɗa ƙasa da zurfin haɗa ƙasa, kayan da aka hakar da su kansu suna zama samfurin da ake gyarawa, amma tsarin dawo da kayan gini suna kula da yawan kayan da suka wuce da kuma gudanar da slurry. Ka'idar aiki tana da alaƙa da tsarin rarrabawa na mataki. Rarrabawa na farko yawanci yana faruwa a cikin tankunan zama ko ramin slurry inda manyan ƙwayoyin ke zama ta hanyar nauyi yayin da ƙananan ƙwayoyin bentonite ke ci gaba da zama a cikin ruwa. Maganin na biyu yana amfani da hydrocyclones ko masu rarrabawa na centrifugal don samun rarrabawa mai kyau na ƙananan ƙwayoyin, tare da sandar farko da ƙura da aka dawo da su ta hanyar allunan girgiza ko na'urorin cire ruwa. Yawancin tsarin zamani suna haɗawa da centrifugation matakai da yawa don rarraba ƙwayoyin ƙasa da bentonite daga matakin ruwa, suna samar da kayan gini da aka cire ruwa da slurry da aka gyara wanda ya dace da sake amfani. Na'urorin juyawa na peristaltic da tsarin tura mai kyau suna tabbatar da juyawar slurry mai kyau da rage girgiza wanda zai iya sake jujjuya ƙananan ƙwayoyin. Tsarin kayan aiki a cikin wannan rukuni ya haɗa da cikakkun tashoshin kula da slurry (na motsi ko na dindindin), na'urorin rarrabawa na modular da ke haɗa matakai da yawa na tacewa da centrifuge, ƙungiyoyin hydrocyclone masu zaman kansu, centrifuges na cire ruwa, allunan girgiza na cire ruwa tare da shigar da flocculant na sinadarai, da kuma tsarin sake amfani da slurry na musamman. Zaɓin kayan aiki yana dogara ne akan yawan samar da kayan gini (m³/awa), rarraba girman ƙwayoyin kayan da aka hakar, zurfin da tsawon lokacin hakar, ƙayyadaddun ƙimar slurry da viscosity, ƙuntatawar muhalli, da iyakokin sararin samaniya. Ka'idodin zaɓi suna fifita ingancin rarrabawa, dawo da ingancin slurry, amfani da wutar lantarki, fadin ƙasa, da bin ka'idodin zubar da ruwa. Masana suna kimanta bukatun yawan jujjuyawar kayan gini (wanda ke tantance ƙarfin tacewa da centrifuge), ƙayyadaddun ƙimar nauyi da aka tanada ta ƙira (yawanci 1.10–1.25 kg/m³ don bangon diaphragm), da ka'idodin zubar da muhalli da ke kula da turbiditi, yawan ƙwayoyin da aka daskare, da hanyoyin zubar da shara. Jimlar farashin mallaka yana haɗawa da jari na farko na kayan aiki, kayan aiki na aiki (bentonite, flocculants, kayan tacewa), kuɗin zubar ko sarrafa kayan gini da aka cire ruwa, da yiwuwar hukuncin da za a fuskanta saboda rashin bin ka'idojin zubar da ruwa. Ka'idodin da suka dace sun haɗa da DIN 4128 (aiwatar da bangon diaphragm), EN 14679 (hadawa mai zurfi ta hanyar sanduna), EN 1538 (bangon diaphragm a cikin ƙasa), da ISO 10414 (gwajin ruwan hakar). Masu kera kayan aiki yawanci suna ambaton ISO 3444 (auna ƙimar slurry) da kuma bin ka'idodin tsaro na injina (2006/42/EC) da ka'idodin zubar da muhalli da hukumomin ruwa na yanki suka kafa.
Motocin tanker ruwa suna da matuƙar mahimmanci a matsayin kayan aiki na taimako a cikin tsarin jet grouting da kuma manyan ayyukan tushe mai zurfi, suna aiki a matsayin dandamali na samar da ruwa mai motsi wanda ke bayar da ƙayyadaddun, daidaitaccen adadin ruwa zuwa wuraren aiki. A cikin injiniyan tushe mai zurfi, waɗannan motoci suna aiki a matsayin muhimman abubuwan gine-gine da ke ba da damar aiwatar da inganta ƙasa da tabbatar da tsayayye na ruwa mai yawa ba tare da tsangwama ba. Babban aikin su shine kula da amintaccen samar da ruwa don ayyukan jet grouting, gina bango, hanyoyin haɗa ƙasa, da sauran aikace-aikacen geotechnical inda ingancin ruwa, adadi, da matsin lamba na isarwa ke shafar ingancin gina da bin diddigin jadawalin. Motocin tanker ruwa suna samun amfani sosai a cikin fasahohin tushe mai zurfi da yawa. A cikin ayyukan jet grouting—ciki har da tsarin ruwa guda, ruwa biyu, da ruwa uku—suna bayar da ruwan tushe don shirya slurry da kuma zama a matsayin ajiyar tsakiya don tsarin juyawa, suna ba da damar ci gaba da juyawa ba tare da tsangwama ba. Don gina bango, motocin tanker suna kawo ruwa don gyaran slurry, kula da juyawa na bentonite, da kuma ci gaba da juyawa ta hanyar tsarin ruwa mai tsayayye. A cikin haɗa ƙasa da siminti, haɗa ƙasa mai zurfi (DSM), da aikace-aikacen kayan ƙarancin ƙarfi (CLSM), suna bayar da ruwan da ake buƙata don daidaita ruwa da sarrafa aikin. Ƙarin aikace-aikace sun haɗa da rage ƙura a kan wuraren aiki, wanke kayan aiki, gyaran slurry don gina pile mai secant, da kuma ayyukan tallafi na gaba ɗaya. Ayyukan motocin tanker ruwa suna aiki ta hanyar tsarin ciyarwa na nauyi ko kuma fitar da famfo wanda ke kawo ruwa daga tankin ajiyar zuwa wuraren rarraba shafin, wanda daga bisani ke jagorantar gudu zuwa kayan aikin gina, masana'antar slurry, ko tsarin rijiyar hakowa. Motocin suna da valv da aka ƙera, tsarin manifold, da haɗin fitarwa da aka tsara don dacewa da buƙatun matsin lamba da gudu. Rarraba tanki yana ba da damar fitar da ingancin ruwa daban-daban—ruwan da ba a gyara ba da kuma abubuwan slurry da aka ƙara—yana hana gurbatawa da kuma ba da damar gudanar da kayan aiki mai inganci a wuraren da aka cunkoso. Tsarin kayan aiki yana bambanta sosai bisa ga buƙatun aikace-aikace. Tsarin al'ada yana daga tankunan guda 10,000-lita don ƙananan ayyukan jet grouting zuwa 30,000+ lita na ƙungiyoyin tanki da yawa don manyan shirye-shiryen gina bango. Nau'ikan musamman sun haɗa da tsarin fitar da matsin lamba mai ƙarfi (150+ bar) don aikace-aikacen jet grouting masu wahala, tankuna masu insulate/mai zafi don ayyukan hunturu da ke buƙatar ruwan da aka tsara zafin jiki, da kuma haɗin kai na famfo tare da matsin lamba na fitarwa wanda ke ba da damar kai tsaye zuwa tsarin gina ba tare da famfo na tsakiya ba. Rarraba motocin yana daga ƙananan motoci masu ɗaukar nauyi da suka dace da wuraren birane masu iyaka zuwa haɗin tractor-trailer masu nauyi don manyan ayyukan tushe. Ka'idodin zaɓin motocin tanker ruwa suna mai da hankali kan ƙarfin tanki dangane da adadin amfani na yau da kullum na aikace-aikacen da aka nufa, dacewar saurin fitar da ƙima tare da ƙayyadaddun kayan aikin gina, da kuma zaɓuɓɓukan rarraba don shirya slurry mai ƙarin sassa. Ƙuntatawar samun damar shafin suna shafar zaɓin motoci sosai, yayin da ƙananan hanyoyi, iyakokin juyawa, da ƙuntatawar nauyi da aka saba da wuraren birane masu yawa ke buƙatar zaɓin kayan aiki masu ƙanƙanta da sauƙin motsi. La'akari da ingancin ruwa—ciki har da buƙatun tacewa da ƙarfin gyara—suna ƙara tasiri ga zaɓin, musamman inda gurbataccen ruwa ko aikace-aikacen CLSM ke buƙatar bin ƙa'idodin gurbatawa masu tsauri. Ka'idodin masana'antu da suka shafi aikace-aikacen motocin tanker ruwa suna nuni da EN 1744 (Hanyoyin gwaji don aggregates da ƙa'idodin tsabta na ruwa), ISO 6934 (Tsarin kayan aikin jet grouting da aikin), da DIN 4093 (ƙa'idodin gina), waɗanda ke kafa ƙa'idodin ingancin ruwa, iyakokin tsabta, da ƙa'idodin aiki na kayan aiki. Tsarin aikin shirin yawanci yana buƙatar takardar shaidar NSF/ANSI don aikace-aikacen sha da kuma kafa buƙatun tacewa inda ya zama dole don ƙayyadaddun gina na musamman ko ƙa'idodin kariya ta muhalli.
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