7 (+1) gada mafi ban mamaki da sabbin abubuwa a duniya

Muna gabatar muku da manyan ayyukan fasaha na injiniya - gadoji, waɗanda suke lu'u-lu'u na sikelin duniya. Waɗannan ayyuka ne na nau'ikan nau'ikan da mashahuran gine-ginen gine-gine da injiniyoyi suka tsara ta yin amfani da duk hanyoyin zamani. Ga bitar mu.

Titin Bang Na Expressway (Bangkok, Thailand)

Wannan babbar hanyar Bangkok mai lamba shida na iya zama mafi tsayi ko kuma ɗaya daga cikin gada mafi tsayi a duniya. Duk da haka, wasu ƙididdiga ga gada ba su la'akari da wannan ba, saboda yawancin tsawonsa ba ya ketare ruwa, ko da yake yana tafiya a kan kogi da ƙananan magudanar ruwa. A kowane hali, wannan aikin za a iya la'akari da shi a matsayin mafi tsayin wuce gona da iri.

Hanya ce da ta ratsa National Highway 34 (Na-Bang Bang Pakong Road) akan wata gada mai yawa (multi-span gada) tare da matsakaicin tazarar mita 42. Babban layin yana da tsayin mita 27 kuma an gina shi a cikin Maris 2000. gini ya dauki siminti 1 m800.

Blackfriars Solar Bridges (London) da Kurilpa Bridge (Brisbane)

Blackfriars wata gada ce a kan Thames a Landan, tsayin mita 303 da faɗin mita 32 (a baya mita 21). Asali an yi ta ne da tsarin Italiyanci, wanda aka gina da dutsen farar ƙasa, an rada mata suna gadar William Pitt bayan Firayim Minista na lokacin William Pitt kuma tun lokacin da aka buɗe ta. An kammala shi a 1869. Gyaran da aka yi a shekarun baya-bayan nan shi ne rufe ginin da rufin da aka yi da hasken rana. A sakamakon haka, an gina tashar wutar lantarki mai fadin murabba'in mita dubu 4,4 a tsakiyar birnin. m. Kwayoyin photovoltaic waɗanda ke ba da makamashin da ake bukata don aiki na kayan aikin jirgin ƙasa. Wurin da ke amfani da hasken rana yana samar da makamashin kilowatt 900, kuma ana amfani da tsarinsa don kamawa da girbe ruwan sama. Ita ce gada mafi girma a irinta a duniya.

Duk da haka, mafi ban sha'awa a cikin wannan ajin shi ne watakila Kurilpa Bridge (dakatar da shi) (hoton da ke sama), ga masu tafiya da masu tafiya a kan keke, a gefen kogin Brisbane. Ya shiga sabis a cikin 2009 akan farashin A $ 63 miliyan. Yana da tsayin mita 470 da faɗin mita 6,5 kuma wani bangare ne na madauki na tafiya da keken birnin. Ofishin Injiniya Arup na Danish ne ya haɓaka shi. An kunna ta ta amfani da fasahar LED. Makamashi ya fito ne daga na'urorin hasken rana guda 54 da aka sanya a kan gadar.

Alamillo Bridge (Seville, Spain)

Gadar dakatarwa a Seville, wanda ke kan kogin Guadalquivir, an gina shi don baje kolin EXPO 92. Ya kamata ya haɗa tsibirin La Cartuja tare da birnin da aka shirya baje kolin. Gada ce ta dakatar da cantilever tare da pylon guda ɗaya mai daidaita tsawon mita 200, tare da igiyoyin ƙarfe goma sha uku masu tsayi daban-daban. Shahararren injiniyan dan kasar Spain kuma mai ginin gine-ginen Santiago Calatrava ne ya tsara shi. An fara aikin gina gadar ne a shekarar 1989 kuma an kammala shi a shekarar 1992.

Gadar Helix (Singapore)

An kammala gadar masu tafiya a ƙafa ta Helix a cikin 2010. Ya shimfiɗa saman ruwa a cikin Marina Bay na Singapore, wanda ke tasowa ba da gangan ba a kudancin tsakiyar Singapore. Abun ya ƙunshi naɗaɗɗen bakin ƙarfe guda biyu waɗanda ke haɗa juna, suna kwaikwayon DNA na ɗan adam. A bikin Duniya na Gine-gine a Barcelona, ​​an gane shi a matsayin mafi kyawun kayan sufuri a duniya.

Gadar mai tsayin mita 280 gaba daya an yi ta ne da bakin karfe, amma da yamma tana sheki da dubban launuka, domin gaba daya tsarinta na dauke da fitulun LED, wato ribbon haske da ke kewaye da gadar masu tafiya. Wani ƙarin abin jan hankali na gada shine dandamali na kallo guda huɗu - a cikin nau'ikan dandamali da aka fallasa zuwa waje, daga abin da zaku iya sha'awar panorama na Marina Bay, cike da skyscrapers.

Gadar Banpo (Seoul, Koriya ta Kudu)

An gina Banpo ne a shekarar 1982 bisa wata gada. Yana tafiya tare da kogin Han, yana haɗa yankunan Seocho na Seoul da Yongsan. Siffar fasalin tsarin ita ce Fountain Rainbow na Moonlight, wanda ya sa tsarin tsayin mita 1140 ya zama maɓuɓɓugar ruwa mafi tsawo a duniya. 9380 190 jiragen ruwa na ruwa a kowane gefen rafin sun fesa tan 43 na ruwa da aka sha daga kogin a cikin minti daya. Wannan yana ƙonewa a tsayi har zuwa 10 m, kuma raƙuman ruwa na iya ɗaukar nau'o'i daban-daban (alal misali, faduwa ganye), wanda, tare da haskakawa na XNUMX dubu LEDs masu launin launi da yawa da rakiyar kiɗa, suna ba da sakamako mai ban mamaki.

Gadar kan kogin Sidu (China)

Gadar Sidu River gada ce ta dakatarwa da ke kusa da birnin Yesanguan. Ginin da ke saman kwarin Xidu wani bangare ne na titin G50 na Shanghai-Chongqing mai tsawon kilomita 1900. Kamfanin Second Highway Consultants Company Limited ne ya kera tare da gina gadar. Kudin ginin ya kai dalar Amurka miliyan 100. An bude ginin a hukumance a ranar 15 ga Nuwamba, 2009.

Gadar da ke kan kogin Sid na ɗaya daga cikin mafi tsayin gine-gine sama da ƙasa ko sama da ruwa. Nisa daga saman gada daga kasan rafin shine 496 m, tsawon - 1222 m, nisa - 24,5 m. Tsarin ya ƙunshi hasumiya biyu na H (gabas - 118 m, yamma - 122 m). ). Igiyoyin da aka rataye a tsakanin hasumiya an yi su ne daga dauri 127 na wayoyi 127 masu tsayin mita 5,1 kowanne, jimlar wayoyi 16. Dandalin hanyar mota ya ƙunshi abubuwa 129. Tsawonsa ya kai 71 m kuma faɗin 6,5 m.

Sheikh Rashid bin Said Crossing (Dubai, United Arab Emirates)

Idan aka kammala, wannan tsarin zai zama gadar baka mafi tsayi a duniya. FXFOWLE Architects na New York ne suka tsara shi kuma Hukumar Kula da Tituna da Sufuri ta Dubai ta ba da izini. Tsarin ya ƙunshi gadoji guda biyu da aka haye da wani tsibiri na wucin gadi tare da wasan kwaikwayo na amphitheater, tashar jirgin ruwa da kuma Dubai Opera. An tsara gadar don samun hanyoyin mota guda shida a kowace hanya (motoci 20 23 a kowace awa), hanyoyi biyu don layin metro na Zelensky da ake ginawa (fasinja 667 64 a kowace awa) da hanyoyin tafiya. Babban tazarar wannan tsarin yana da nisa na 15 m kuma faɗin gada duka shine m 190. Abin sha'awa shine, tsananin haskensa zai dogara ne akan hasken wata. Yayin da wata ke haskakawa, haka gadar da kanta za ta haskaka.