Robots guda biyu na Hydrodemolition sun kammala cire siminti daga ginshiƙan fage cikin kwanaki 30, yayin da aka ƙiyasta hanyar gargajiya za ta ɗauki watanni 8.
Ka yi tunanin tuƙi ta tsakiyar birni ba tare da lura da faɗaɗa ginin miliyoyin daloli a kusa ba—babu zirga-zirgar ababen hawa da kuma rushewar gine-ginen da ke kewaye. Wannan lamarin dai kusan ba a taba samun irinsa ba a manyan biranen kasar ta Amurka, domin a kullum ana samun sauye-sauye da sauye-sauye, musamman ga ayyukan da suka kai girman. Koyaya, wannan dabara, juzu'i na shuru shine ainihin abin da ke faruwa a cikin garin Seattle, saboda masu haɓakawa sun ɗauki wata hanyar gini daban: faɗaɗa ƙasa.
Ɗaya daga cikin shahararrun gine-ginen Seattle, filin wasa na Climate Commitment, ana yin gyare-gyare mai yawa kuma filin benensa zai ninka fiye da ninki biyu. Asalin wurin dai ana kiransa da Key Arena kuma za a gyara shi gaba daya kuma a sake bude shi a karshen shekarar 2021. Wannan gagarumin aiki ya fara aiki a hukumance a cikin kaka na 2019 kuma tun daga lokacin ya kasance mataki na wasu hanyoyin injiniya na musamman da rugujewa. Dan kwangilar Redi Services ya taka muhimmiyar rawa a tsarin canji ta hanyar kawo wannan sabbin kayan aiki zuwa wurin.
Fadada ginin ƙasa yana guje wa hargitsin da ke haifar da faɗaɗa kwancen gado na gargajiya-sake fasalin tsarin birane da rushe gine-ginen da ke kewaye. Amma wannan hanya ta musamman ba ta samo asali daga waɗannan damuwa ba. Maimakon haka, wahayi ya fito ne daga sha'awar da manufa don kare rufin ginin.
Masanin gine-ginen Paul Thiry ne ya tsara shi don baje kolin duniya na 1962, rufin da ake iya gane shi cikin sauƙi ya sami matsayin alamar tarihi domin an fara amfani da shi don abubuwan tarihi da al'adu. Alamar alamar tana buƙatar kowane gyare-gyare ga ginin ya riƙe abubuwan da ke cikin tsarin tarihi.
Tunda ana aiwatar da aikin gyaran gyare-gyare a ƙarƙashin na'urar hangen nesa, kowane bangare na tsarin ya sami ƙarin tsari da dubawa. Fadada ƙasa-ƙara yanki daga murabba'in murabba'in 368,000 zuwa kusan ƙafar murabba'in 800,000-yana gabatar da ƙalubalen dabaru iri-iri. Ma'aikatan jirgin sun haƙa wani ƙafa 15 a ƙasan filin wasan na yanzu da kusan ƙafa 60 a ƙasan titi. Yayin da ake cim ma wannan aikin, har yanzu akwai ƙaramin matsala: yadda ake tallafawa fam miliyan 44 na rufin.
Injiniyoyin injiniya da ƴan kwangila ciki har da MA Mortenson Co. da ɗan kwangilar Rhine Demolition sun ɓullo da wani hadadden tsari. Za su cire ginshiƙan ginshiƙai da buttresses yayin shigar da tsarin tallafi don tallafawa miliyoyin fam na rufin, sa'an nan kuma dogara ga tallafi na watanni don shigar da sabon tsarin tallafi. Wannan yana iya zama kamar mai ban tsoro, amma ta hanyar da gangan da kuma aiwatar da mataki-mataki, sun yi shi.
Manajan aikin ya zaɓi shigar da tsarin tallafi na wucin gadi don tallafawa wurin fage mai kyan gani, rufin fam miliyan da yawa, tare da cire ginshiƙai da buttresses. Suna dogara ga waɗannan tallafi na tsawon watanni don shigar da sabbin tsarin tallafi na dindindin. Aquajet ya fara tono ƙasa kuma ya cire kusan mita 600,000. code. Ƙasar, ma'aikatan sun hako sabon tallafin tushe. Wannan tsarin mai ginshiƙai 56 ya haifar da babban tsarin da aka yi amfani da shi don tallafawa rufin na ɗan lokaci don ɗan kwangilar zai iya tono matakin da ya dace. Mataki na gaba ya haɗa da rushe tushen asali na kankare.
Don aikin rugujewar wannan girman da tsari, tsarin hamma na al'ada yana da alama rashin ma'ana. Ya ɗauki kwanaki da yawa don rushe kowane ginshiƙi da hannu, kuma an ɗauki watanni 8 kafin a rusa dukkan ginshiƙai 28, ginshiƙai masu siffar V 4 da gindi ɗaya.
Baya ga rushewar al'ada da ke ɗaukar lokaci mai yawa, wannan hanyar tana da wata illa mai yuwuwa. Rushe tsarin yana buƙatar madaidaicin madaidaici. Tun da za a yi amfani da harsashin ginin asali a matsayin ginshiƙan sabbin ginshiƙai, injiniyoyi suna buƙatar takamaiman adadin kayan gini (ciki har da ƙarfe da siminti) don ci gaba da kasancewa. Ƙaƙƙarfan kankare na iya lalata sandunan ƙarfe da haɗarin ƙananan fashe ginshiƙin kankare.
Daidaituwa da ƙayyadaddun ƙayyadaddun matakan da ake buƙata don wannan gyare-gyare ba su dace da hanyoyin rushewar gargajiya ba. Duk da haka, akwai wani zaɓi na daban, wanda ya ƙunshi tsarin da mutane da yawa ba su saba da su ba.
Kamfanin Rheinland Demolition Company na ƙasa ya yi amfani da tuntuɓar da masanin feshin ruwa na Houston Jetstream don nemo madaidaicin, ingantaccen kuma ingantaccen bayani don rushewar. Jetstream ya ba da shawarar Redi Services, kamfanin tallafin sabis na masana'antu wanda ke Lyman, Wyoming.
An kafa shi a cikin 2005, Redi Services yana da ma'aikata 500 da ofisoshi da shaguna a Colorado, Nevada, Utah, Idaho da Texas. Samfuran sabis sun haɗa da sabis na sarrafawa da sarrafa kansa, kashe wuta, tono na ruwa da sabis na injin ruwa, fashewar iska mai ƙarfi, tallafin kayan aiki da daidaitawa, sarrafa sharar gida, jigilar manyan motoci, sabis na aminci na matsa lamba, da sauransu. ci gaba da kula da sabis damar.
Sabis na Redi sun tabbatar da wannan aikin kuma sun gabatar da robot Aquajet Hydrodemolition zuwa rukunin Yanayi Commitment Arena. Don daidaito da inganci, ɗan kwangilar ya yi amfani da robobin Aqua Cutter 710V guda biyu. Tare da taimakon 3D shugaban ikon sakawa, mai aiki zai iya isa ga wurare a kwance, a tsaye da sama.
"Wannan shine karo na farko da muka yi aiki a karkashin irin wannan tsari mai nauyi," in ji Cody Austin, manajan yanki na Redi Services. "Saboda aikinmu na robot Aquajet na baya, mun yi imanin ya dace da wannan rushewar."
Domin ya zama daidai da inganci, dan kwangilar ya yi amfani da robobin Aquajet Aqua Cutter 710V guda biyu don rushe wasu ginshiƙai 28, masu siffar V guda huɗu da kuma buta guda ɗaya cikin kwanaki 30. Kalubale amma ba zai yiwu ba. Baya ga tsarin ban tsoro da ke rataye a sama, babban kalubalen da duk 'yan kwangilar da ke wurin ke fuskanta shine lokaci.
"Tsarin lokacin yana da tsauri sosai," in ji Austin. “Wannan aiki ne mai sauri da sauri kuma muna bukatar mu shiga wurin, mu rushe simintin, mu bar sauran da ke bayanmu su kammala aikinsu domin gudanar da aikin gyaran kamar yadda aka tsara.”
Domin kowa yana aiki a fanni guda kuma yana ƙoƙarin kammala wani ɓangare na aikin nasa, ana buƙatar yin shiri mai zurfi da tsara kade-kade don kiyaye komai ya tafi daidai kuma a guje wa haɗari. Shahararren dan kwangilar MA Mortenson Co. ya shirya don fuskantar kalubale.
A lokacin aikin aikin inda Redi Services suka shiga, kusan ƴan kwangila da ƴan kwangila 175 sun kasance a wurin lokaci ɗaya. Saboda akwai ƙungiyoyi masu yawa da ke aiki, yana da mahimmanci cewa tsara kayan aiki kuma suyi la'akari da amincin duk ma'aikatan da suka dace. Dan kwangilar ya sanya wa yankin da aka kayyade alamar jan tef da tutoci don kiyaye mutanen da ke wurin da nisa daga jirgin ruwa mai matsananciyar ruwa da tarkace daga aikin cire kankare.
Mutum-mutumi na Hydrodemolition yana amfani da ruwa maimakon yashi ko jackhammers na gargajiya don samar da ingantacciyar hanyar kawar da kankare cikin sauri kuma mafi inganci. Tsarin sarrafawa yana bawa mai aiki damar sarrafa zurfin da daidaito na yanke, wanda yake da mahimmanci don daidaitaccen aiki kamar wannan. Kyawawan ƙira na musamman da wukake na Aqua mara girgiza suna ba wa ɗan kwangila damar tsaftace sandunan ƙarfe sosai ba tare da haifar da ƙananan fasa ba.
Baya ga robot ɗin kanta, Redi Services kuma sun yi amfani da ƙarin ɓangaren hasumiya don ɗaukar tsayin ginshiƙi. Hakanan yana amfani da famfunan ruwa mai ƙarfi na Hydroblast guda biyu don samar da matsi na ruwa na psi 20,000 a saurin 45 gpm. Famfo yana da nisan ƙafa 50 daga aikin, ƙafa 100. Haɗa su da hoses.
Gabaɗaya, Sabis na Redi sun rushe tsarin mita 250 mai siffar sukari. code. Material, yayin da ake kiyaye sandunan ƙarfe ba daidai ba. 1 1/2 inci. Ana shigar da sandunan ƙarfe a cikin layuka da yawa, suna ƙara ƙarin cikas don cirewa.
"Saboda yawan yadudduka na rebar, dole ne mu yanke daga dukkan bangarori hudu na kowane shafi," in ji Austin. "Shi ya sa robot Aquajet shine zabin da ya dace. Robot na iya yanke kauri har zuwa ƙafa 2 a kowane fasinja, wanda ke nufin za mu iya kammala yadi 2 zuwa 3 1/2. Sa'a, ya danganta da sanyawa rebar."
Hanyoyin rushewar al'ada za su haifar da tarkace da ke buƙatar sarrafawa. Tare da Hydrodemolition, aikin tsaftacewa ya ƙunshi maganin ruwa da ƙarancin tsabtace kayan jiki. Ruwan fashewa yana buƙatar a yi amfani da shi kafin a iya fitar da shi ko sake zagayawa ta hanyar famfo mai ƙarfi. Sabis na Redi sun zaɓi gabatar da manyan manyan motoci guda biyu tare da tsarin tacewa don ƙunshe da tace ruwan. Ana fitar da ruwan da aka tace cikin aminci cikin bututun ruwan sama da ke saman wurin aikin.
An rikide wata tsohuwar kwantena ta zama garkuwa mai fuska uku wadda aka wargaje don dauke da fashewar ruwan da kuma inganta tsaron wurin da ake hada-hada. Nasu tsarin tacewa yana amfani da jerin tankunan ruwa da kuma kula da pH.
"Mun kirkiro namu tsarin tacewa saboda mun yi shi a wasu shafuka a baya kuma mun saba da tsarin," in ji Austin. “Lokacin da mutum-mutumin biyu ke aiki, mun sarrafa galan 40,000. Kowane motsi na ruwa. Muna da wani bangare na uku da zai sa ido kan yanayin muhalli na ruwan sharar gida, wanda ya hada da gwada pH don tabbatar da zubar da lafiya.”
Sabis na Redi sun ci karo da ƴan cikas da matsaloli a cikin aikin. Yana ɗaukar ƙungiyar mutane takwas a kowace rana, tare da ma'aikaci ɗaya don kowane mutummutumi, ma'aikaci ɗaya don kowane fanfo, ɗaya don kowace motar motsa jiki, da mai kulawa da ƙwararrun masana don tallafawa "ƙungiyoyin robot" biyu.
Cire kowane shafi yana ɗaukar kimanin kwanaki uku. Ma'aikatan sun shigar da kayan aikin, sun shafe sa'o'i 16 zuwa 20 suna wargaza kowane tsari, sa'an nan kuma sun motsa kayan zuwa shafi na gaba.
"Rhine Demolition ya samar da wani tsohon kwandon da aka sake amfani da shi kuma aka yanke shi cikin garkuwa mai gefe uku da aka wargaza," in ji Austin. “Yi amfani da injin tono da babban yatsan yatsa don cire murfin kariya, sannan matsa zuwa shafi na gaba. Kowane motsi yana ɗaukar kimanin sa'a guda, gami da motsa murfin kariya, robot, kafa motar motsa jiki, hana filastik zube, da motsi masu motsi."
Gyaran filin wasan ya kawo 'yan kallo da dama. Sai dai kuma bangaren rushewar injin din ba wai kawai ya ja hankalin masu wucewa ba, har ma ya ja hankalin sauran ma’aikatan da ke wurin.
Ɗaya daga cikin dalilan zabar fashewar hydraulic shine 1 1/2 inci. Ana shigar da sandunan ƙarfe a cikin layuka da yawa. Wannan hanya tana ba da damar Redi Services don tsaftace sandunan ƙarfe sosai ba tare da haifar da ƙananan fashe a cikin siminti ba. Aquajet "mutane da yawa sun burge-musamman a ranar farko," in ji Austin. “Mun samu injiniyoyi goma sha biyu da sifetoci sun zo su ga abin da ya faru. Dukkansu sun kadu da ikon [Aquajet robot] na cire sandunan ƙarfe da zurfin shigar ruwa cikin siminti. Gabaɗaya, kowa ya burge, mu ma. . Wannan aiki cikakke ne. "
Rushewar na'ura mai aiki da karfin ruwa bangare daya ne kawai na wannan babban aikin fadada aikin. Fage na alƙawarin yanayi ya kasance wuri don ƙirƙira, sabbin abubuwa da ingantattun hanyoyin da kayan aiki. Bayan cire ginshiƙan tallafi na asali, ma'aikatan sun sake haɗa rufin zuwa ginshiƙan tallafi na dindindin. Suna amfani da firam ɗin ƙarfe da siminti don samar da wurin zama na ciki, kuma suna ci gaba da ƙara cikakkun bayanai waɗanda ke ba da shawarar kammalawa.
A ranar 29 ga Janairu, 2021, bayan fentin da ma'aikatan gini suka sanya hannu, filin Wa'adi na Climate da membobin Seattle Krakens, an ɗaga katakon ƙarfe na ƙarshe a wurin bikin rufin gargajiya.
Arielle Windham marubuci ne a masana'antar gini da rushewa. Hoto na Aquajet.
Lokacin aikawa: Satumba-06-2021