\u0130stanbul\u00a0Marmaray’da tren vagonu bug\u00fcn (12 Nisan) raydan \u00e7\u0131kt\u0131. Yolcular t\u00fcnel i\u00e7indeki acil durum yollar\u0131nda y\u00fcr\u00fcmek zorunda kald\u0131. Ayr\u0131l\u0131k\u00e7e\u015fme-\u00dcsk\u00fcdar aras\u0131 seferler durduruldu. TCDD konuyla ilgili \u201cteknik bir sebebe dayand\u0131\u011f\u0131\u201d a\u00e7\u0131klamas\u0131yla yetindi, \u0130stanbullular\u0131n ula\u015f\u0131m\u00a0g\u00fcvenli\u011fini ge\u00e7i\u015ftirdi.<\/p>\n
Peki bir rayl\u0131 ula\u015f\u0131m hatt\u0131 \u00fczerinde \u00e7al\u0131\u015fan vagonlar nas\u0131l olur da raydan \u00e7\u0131kar? Teknik olarak hangi ihmaller rayda ilerleyen vagon sisteminin g\u00fcvenli\u011fini ortadan kald\u0131r\u0131r? Teknik olarak olas\u0131 ihmalleri in\u015faai, yaz\u0131l\u0131msal (sinyalizasyon), mekanik, elektriksel, bak\u0131m-onar\u0131m ve yedek par\u00e7a durumu fakt\u00f6rleri olarak s\u0131ralayabiliriz.<\/p>\n
Vagonun raydan \u00e7\u0131kmas\u0131na neden olabilecek olas\u0131 teknik ihmalleri detaylar\u0131yla maddeleyebiliriz:<\/p>\n
-Raylar\u0131n bulundu\u011fu t\u00fcneller aras\u0131 ge\u00e7i\u015f i\u00e7in kullan\u0131lan crossover t\u00fcnnellerindeki makaslarda ya\u015fanabilecek elektro-mekanik sorunlar<\/strong><\/p>\n -Hatt\u0131n yatay kurba(viraj) hesab\u0131nda teknik yanl\u0131\u015fl\u0131k<\/p>\n -Hatt\u0131n proje h\u0131z limitinin a\u015f\u0131lmas\u0131, h\u0131zlan\u0131rken ya da yava\u015flarken emniyet ivmelerinin a\u015f\u0131lmas\u0131<\/strong><\/p>\n -Vagon kontrol\u00fc manuel kontrole al\u0131nm\u0131\u015f ise vatman (metro s\u00fcr\u00fcc\u00fcs\u00fc) fakt\u00f6r\u00fc: e\u011fitimleri, \u00e7al\u0131\u015fma s\u00fcreleri yani i\u015f\u00e7i sa\u011fl\u0131\u011f\u0131 ve i\u015f g\u00fcvenli\u011finin yok say\u0131lmas\u0131<\/p>\n -Otomasyonda bilgisayar program\u0131ndaki yaz\u0131l\u0131msal hatalar (Sinyalizasyon sorunu)<\/strong><\/p>\n -Ray, araba (vagon tekerle\u011fi) ve vagonun mekanik aksam\u0131 bak\u0131m periyotlar\u0131n\u0131n aksat\u0131lmas\u0131<\/p>\n -Fren sisteminde, rod vs. ayarlar\u0131nda sorunlar<\/strong><\/p>\n -Ray \u00fczerindeki bozulmalar veya d\u00fc\u015f\u00fck bir ihtimal de olsa rayda yabanc\u0131 madde bulunmas\u0131<\/p>\n Marmaray’da ya\u015fanan kazada facia\u00a0yine\u00a0k\u0131l pay\u0131yla atlat\u0131ld\u0131. Halk\u0131n ula\u015f\u0131m g\u00fcvenli\u011finin olmad\u0131\u011f\u0131 bir kez daha ortaya \u00e7\u0131km\u0131\u015f oldu. Tren vagonunu raydan \u00e7\u0131karan fakt\u00f6rler\u00a0derhal\u00a0tespit edilmeli, teknik inceleme \u015feffaf \u015fekilde yap\u0131lmal\u0131; s\u00fcrece meslek odalar\u0131 dahil edilmelidir.<\/p>\n Planl\u0131, g\u00fcvenli ula\u015f\u0131m sa\u011flanmal\u0131d\u0131r<\/strong> Motoru yanan halk otob\u00fcsleri, uykusuzluktan kald\u0131r\u0131mlara, duraklara giren \u015fof\u00f6rler, elektrik kesintileriyle aniden duran – aksayan ula\u015f\u0131m seferleriyle durakta, otob\u00fcste, vagonda halk\u0131n ula\u015f\u0131m g\u00fcvenli\u011fi kalmam\u0131\u015ft\u0131r.<\/p>\n AKP iktidar\u0131 halk\u0131n kamusal hizmetlere sa\u011fl\u0131kl\u0131 ve g\u00fcvenli bir bi\u00e7imde ula\u015fmas\u0131n\u0131n \u00f6n\u00fcndeki engeldir ve Marmaray gibi raydan \u00e7\u0131km\u0131\u015ft\u0131r!<\/p>\n Politeknik<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"\u0130stanbul\u00a0Marmaray’da tren vagonu bug\u00fcn (12 Nisan) raydan \u00e7\u0131kt\u0131. Yolcular t\u00fcnel i\u00e7indeki acil…\n","protected":false},"author":2,"featured_media":40571,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[4688],"tags":[1989,253,3040],"class_list":{"0":"post-20547","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-politeknik-gundem-2","8":"tag-marmaray","9":"tag-tren-kazasi","10":"tag-vagon-raydan-cikti"},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/posts\/20547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/comments?post=20547"}],"version-history":[{"count":0,"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/posts\/20547\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/media\/40571"}],"wp:attachment":[{"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/media?parent=20547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/categories?post=20547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eonmeet.com\/pol\/wp-json\/wp\/v2\/tags?post=20547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nKent i\u00e7i ula\u015f\u0131m projelerini siyasi \u015fovlara d\u00f6n\u00fc\u015ft\u00fcren, proje yap\u0131m-kontrol s\u00fcre\u00e7lerinin kamusal denetimini ortadan kald\u0131ran, bilim insanlar\u0131n\u0131 ve meslek odalar\u0131n\u0131 proje s\u00fcre\u00e7lerinden uzakta tutan AKP iktidar\u0131 bir\u00e7ok ilde, bir\u00e7ok ula\u015f\u0131m sistemini g\u00fcvenli olmaktan \u00e7\u0131karm\u0131\u015ft\u0131r. \u0130\u015f\u00e7i katliamlar\u0131n\u0131n iktidar\u0131 AKP ula\u015f\u0131m hizmeti alan halk\u0131n can\u0131n\u0131 da tehlikeye sokmaktad\u0131r.<\/p>\n