Zan rubuta cikakken bayanin kwararru don rukuni na Excavators a cikin mahallin kayan aikin ginshiƙi mai zurfi: --- Excavators don ginin bangon ƙasa da tsarin katangar katanga suna cikin tsarin injiniya na musamman da aka tsara don gudanar da hakar ƙasa mai sarrafawa, fitar da kayan aiki, da kuma daidaita ƙasa a cikin aiwatar da bangon diaphragm, katangar katanga, bangon secant pile, da kuma aikin jet grouting. Waɗannan rukunan kayan aikin suna wakiltar muhimman abubuwa na tsarin haɗin gwiwa da ke ba da damar ginin ƙasa na daidaito a cikin injiniya mai zurfin ginshiƙi, suna zama manyan hanyoyin da injiniyoyi ke amfani da su don cimma hakar farko, cire kayan aiki, da kuma daidaita ƙasa da ake buƙata don ƙirƙirar katanga mai tsawo ko na ɗan lokaci a cikin ƙasa mai haɗin kai da ƙasa mai granule. A cikin aikace-aikacen aikace-aikace, excavators suna aiki a cikin hanyoyi da dama na ginshiƙi mai zurfi. A cikin ginin bangon diaphragm, suna gudanar da hakar panel-by-panel yayin da bentonite slurry ke kula da daidaiton ramin da kuma hana rushewar ƙasa. A cikin shigar da katangar katanga—ko dai nau'ikan soil-cement-bentonite (SCB) ko cement-bentonite (CB)—excavators suna haɗawa da kuma ajiye kayan haɗin gini a kan hanyoyin bango da aka tsara don ƙirƙirar katanga mai ruwa don tsarewar gurbataccen abu da kuma kula da zubar ruwa. Don shigar da secant pile da sheet pile, excavators suna ba da buƙatar shirin ƙasa, tabbatar da haɗin gwiwa, da kuma goyon bayan haɗin gwiwa. Ayyukan jet grouting suna dogara da kayan aikin hakar don kafa wuraren shiga da kuma gudanar da kayan daga canjin ƙasa. Ka'idar aiki tana shafar tsarin injiniya na ci gaba ko na rabi wanda ke shiga ƙasa mai ruwa da mara ruwa, yana fitar da kayan sama yayin da yake kula da tsayuwar tsaye da zurfin da aka tsara. Tsarin zamani yana amfani da kwantena masu jan ruwa ko Kelly bars tare da kayan aikin hakar na musamman da ke shiga zurfin da aka tsara, tare da zagayowar slurry yana kula da tsarin ramin da kuma haɗin ƙasa. Kayan da aka hakar yana bayyana ko a matsayin slurry (aikin bangon diaphragm) ko a matsayin kayan da ke buƙatar gudanar da zubar ruwa. Kula da lokaci na ainihi ta hanyar na'urorin lantarki na inclinometer da na'urorin jin zurfi suna tabbatar da daidaiton matsayi cikin iyakokin da aka saba ±100 mm zuwa ±150 mm a kan zurfin bango. Tsarin kayan aiki yana bambanta bisa ga yanayin ƙasa da buƙatun ƙira. Tsarin jan kwantena da aka rataye da igiya (yawanci daga 0.6 m³ zuwa 2.5 m³) yana ba da hanyoyin da suka dace a cikin ƙasa mai haɗin kai mai kyau. Tsarin hydrofraise tare da ƙananan ƙafafun yankan yana dace da ƙaura mai wuya da ƙasa mai haɗin gini a zurfin da ya wuce 100 m. Tarin tremie da Kelly bar, wanda aka tallafawa da mast na hydraulic da ke da ƙarfin fitarwa daga 1,000 zuwa 5,000 kN, yana ba da damar daidaitaccen iko a cikin tsarin ƙasa mai bambanta. Ƙarfin kwantena yana daga 0.3 m³ don aikin daidaito zuwa 4.0 m³ don cire kayan da yawa. Ka'idodin zaɓi suna mai da hankali kan zurfin ƙira (muhimmanci don ƙarfin mast da diamita na Kelly bar), haɗin ƙasa (abun ƙasa yana shafar kayan slurry; girman ƙasa yana tantance zaɓin grab ko hydrofraise), buƙatun saurin hakar, sararin aiki da ake da shi, da kuma tsarin gudanar da kayan da aka hakar. Bukatun inganta ƙasa—kamar daidaita ƙasa tare da polymer ko kayan haɗin bentonite—suna shafar rikitarwa na tsarin da kuma saurin zagayowar (yawanci 50 zuwa 150 m³/awa don bangon diaphragm). Ka'idodin da suka dace sun haɗa da EN 1538 (bangon diaphragm a cikin ƙasa: ƙayyadaddun aiwatarwa) da EN 14731 (jet grouting), waɗanda ke kafa buƙatun aiki don tsayuwa, kula da hakar, da tabbatar da daidaito. ISO 22475-1 yana magana kan tantancewar binciken geotechnical, yana ba da bayani kan zaɓin kayan aiki. DIN 4126 yana ba da jagora na Jamus kan ƙira da aiwatar da bangon slurry.
No equipment found in this category
No models found