Jeoloji M\u00fchendisleri Odas\u0131 (JMO) \u0130stanbul \u015eubesi, Arel \u00dcniversitesi\u2019nde meydana gelen \u00e7\u00f6kme ile ilgili rapor haz\u0131rlad\u0131.<\/b><\/p>\n
TMMOB Jeoloji M\u00fchendisleri Odas\u0131 \u0130stanbul \u015eubesi, K\u00fc\u00e7\u00fck\u00e7ekmece’deki Arel \u00dcniversitesi binas\u0131nda meydana gelen y\u0131k\u0131m hakk\u0131nda a\u00e7\u0131klama yapt\u0131. A\u00e7\u0131klamada \u201cDepremin b\u00fcy\u00fckl\u00fc\u011f\u00fc \u00f6nemli de\u011fil, sars\u0131nt\u0131s\u0131z da \u00e7\u00f6k\u00fcyoruz\u201d denilerek y\u0131k\u0131ma ili\u015fkin tespitler yap\u0131ld\u0131.<\/p>\n
Kemalpa\u015fa Mahallesi, Halkal\u0131 Caddesi’nde bulunan, 2019 y\u0131l\u0131nda in\u015faat\u0131na ba\u015flanan konut projesinin kaz\u0131 alan\u0131ndaki fore kaz\u0131kl\u0131 ankrajl\u0131 istinat duvar\u0131nda 23 Ekim g\u00fcn\u00fc 16.30 saatlerinde destek elamanlar\u0131nda ses ve ola\u011fan d\u0131\u015f\u0131 hareketlilik g\u00f6zlendi\u011fi aktar\u0131ld\u0131.<\/p>\n
Gece 23.15 sular\u0131nda da yatay gergi eleman\u0131 olan ankrajlarda s\u0131yr\u0131lma, sonra fore kaz\u0131klarda devrilme ve k\u0131r\u0131lma meydana geldi\u011fi, son olarak da Arel \u00dcniversitesi binas\u0131n\u0131n bir b\u00f6l\u00fcm\u00fcnde \u00e7\u00f6kme meydana geldi\u011fi kaydedildi.<\/p>\n
\u201c3 YILDIR TAMAMLANAMADI\u201d<\/strong><\/p>\n \u00c7evre ve \u015eehircilik Bakanl\u0131\u011f\u0131 Planl\u0131 Alanlar \u0130mar Y\u00f6netmeli\u011fi’nde;\u00a0y\u00fcksek e\u011fime sahip alanlar\u0131n, \u201c\u00d6nlemli Alan (\u00d6.A.)\u201d stat\u00fcs\u00fcnde de\u011ferlendirilmesi ve yap\u0131lacak her t\u00fcrl\u00fc in\u015faat faaliyetlerin de gerekli \u00f6nlem ve tedbirlerin al\u0131nmas\u0131 zorunlulu\u011funun a\u00e7\u0131k\u00e7a belirtildi\u011fine dikkat \u00e7ekilerek \u201cBuna kar\u015f\u0131n, bahse konu parselde 2019 y\u0131l\u0131nda kaz\u0131 \u00e7al\u0131\u015fmas\u0131 ba\u015flam\u0131\u015f olup, 2022 Ekim ay\u0131 i\u00e7erisinde toplam 3 y\u0131l\u0131 bulan s\u00fcre ge\u00e7mesine ra\u011fmen kaz\u0131 \u00e7ukuru tamamlanmam\u0131\u015f ve \u00fcst yap\u0131 in\u015faat\u0131 global (k\u00fcresel) kotlarda s\u0131f\u0131r mimari kotuna kadar (su basman kotu) \u00e7al\u0131\u015fmalar tamamlanmam\u0131\u015ft\u0131r\u201d denildi.<\/p>\n \u00d6zellikle derin kaz\u0131 uygulamalar\u0131nda kaz\u0131 \u00e7ukurunun uzun s\u00fcre a\u00e7\u0131k b\u0131rak\u0131lmamas\u0131 gerekti\u011fi belirtilerek in\u015faat s\u00fcresinin \u00a0minimumda tutulmas\u0131 ve \u00a0\u00a0\u00fcst yap\u0131 i\u015flerinin \u00a0bir an \u00f6nce do\u011fal arazi kotlar\u0131na kadar \u00e7\u0131kar\u0131lmas\u0131 gerekti\u011fi ifade edildi.<\/p>\n \u201cMAKS\u0130MUM 2 YILDA TAMAMLANMALI\u201d<\/strong><\/p>\n \u00c7evre ve \u015eehircilik Bakanl\u0131\u011f\u0131’n\u0131n 2018 tarihli \u2018Kaz\u0131 G\u00fcvenli\u011fi ve Al\u0131nacak \u00d6nlemler\u2019 genelgesi de hat\u0131rlat\u0131larak \u201cGenelgede, kaz\u0131 g\u00fcvenli\u011fi ve iksa (derin kaz\u0131) uygulamalar\u0131nda ge\u00e7ici durum analizlerinde, kaz\u0131 \u015fevlerinin maksimum 2 y\u0131l i\u00e7erisinde in\u015faat faaliyetlerinin tamamlanarak, \u00f6n\u00fcne gerekli desteklerin yap\u0131lmas\u0131 gerekti\u011fi belirtilmektedir. Genelgeye g\u00f6re, pratikte ve uygulamada ge\u00e7ici durum analizlerine g\u00f6re destekli \u015fev kaz\u0131lar\u0131nda belirlenen maksimum s\u00fcre 2 y\u0131l olarak belirlenmesine ra\u011fmen; jeolojik fakt\u00f6rler, hidrojeolojik fakt\u00f6rler, \u00e7evre yap\u0131lar\u0131, \u015fehir i\u00e7i dinamik y\u00fck ve etkenler, kom\u015fu parsel ve\/veya binalara ait etki durumlar\u0131, jeomorfolojik etkenler, b\u00f6lgesel e\u011fim durumu gibi i\u00e7 ve d\u0131\u015f etmenlerin etkisinin dikkate al\u0131nmad\u0131\u011f\u0131 ve ortam tan\u0131mlamas\u0131n\u0131n do\u011fru yap\u0131lmad\u0131\u011f\u0131 ya\u015fanan olayda bir kez daha ortaya \u00e7\u0131km\u0131\u015ft\u0131r\u201d denildi.<\/p>\n \u201cUYARILAR D\u0130KKATE ALINMAMI\u015e\u201d<\/strong><\/p>\n Pratikte ve uygulamada bu s\u00fcrenin 2 y\u0131l\u0131 bulamayaca\u011f\u0131, kaz\u0131 \u015fevlerinin \u00f6n\u00fcne yap\u0131lmas\u0131 gereken ek \u00f6nlemlerin ivedilikle al\u0131nmas\u0131 gerekti\u011fine dikkat \u00e7ekilerek \u201c\u0130n\u015faat veya ilgili projenin bir an evvel tamamlanmas\u0131 gereklili\u011fini bir kez daha anlam\u0131\u015f bulunmaktay\u0131z.\u00a0 Bahse konu jeolojik, hidrojeolojik, b\u00f6lgesel ve jeomorfolojik risk fakt\u00f6rlerinin etkisi dikkate al\u0131nd\u0131\u011f\u0131nda, belediyeler ve ilgili idareler taraf\u0131ndan verilen ruhsat ve i\u015f s\u00fcrelerinin toplam in\u015faat s\u00fcresi i\u00e7erisinde kaz\u0131 \u015fevlerinin ba\u015flang\u0131\u00e7 ve biti\u015f s\u00fcrelerinin de eklenmesi ve m\u00fcmk\u00fcn oldu\u011funca k\u0131sa tutulmas\u0131 gerekti\u011fi tavsiye edilmektedir. Ya\u015fanan olay g\u00f6stermektedir ki bu uyar\u0131lar dikkate al\u0131nmam\u0131\u015ft\u0131r\u201d denildi.<\/p>\n \u201c\u2018KAYA ZEM\u0130N SA\u011eLAMDIR\u2019 D\u00dc\u015e\u00dcNCES\u0130 B\u00dcY\u00dcK R\u0130SK\u201d<\/strong><\/p>\n \u0130stanbul’un jeomorfolojisinin engebeli, tepe ve vadilerden olu\u015ftu\u011funa vurgu yap\u0131lan raporda \u015funlar kaydedildi:<\/p>\n * \u201c\u0130stanbul’da meydana gelen bahse konu bina \u00e7\u00f6kme, kayma, y\u0131k\u0131lma ve benzeri olaylar\u0131n y\u00fczde \u00a015’i do\u011fa kaynakl\u0131 (heyelan, sel, su bask\u0131n\u0131 vs) nedenlerden, y\u00fczde \u00a085′ i ise insan kaynakl\u0131 ihmal ve umursamazl\u0131klardan meydana gelmektedir. Son d\u00f6nemlerde insan kaynakl\u0131 oldu\u011fu tespit edilen kayma ve y\u0131k\u0131mlar\u0131n b\u00fcy\u00fck bir \u00e7o\u011funlu\u011funun kaya ve benzeri ortamlarda meydana geldi\u011fi tespit edilmi\u015ftir.<\/p>\n * G\u00f6rece sa\u011flam olarak nitelendirilen bu kaya birimlerinin y\u00fczeye yak\u0131n s\u0131\u011f derinlik diye tabir etti\u011fimiz (0-10 m) seviyeleri alterasyon ve ayr\u0131\u015fman\u0131n etkisi ile mukavemet kayb\u0131na maruz kalm\u0131\u015f ve birincil \u00f6zelli\u011fini kaybetmi\u015ftir. Bu son durum \u2018kaya zeminler sa\u011flamd\u0131r’ d\u00fc\u015f\u00fcncesinin \u0130stanbul i\u00e7in ne derece b\u00fcy\u00fck bir risk i\u00e7erdi\u011fini ortaya koymaktad\u0131r.<\/p>\n * Birinci derece deprem zonu i\u00e7inde yer alan \u0130stanbul’da beklenen Marmara Depremi ile birlikte kaya zeminlerde ortaya \u00e7\u0131kan bu bulgu, kentin ve kent ya\u015fam\u0131n\u0131n b\u00fcy\u00fck bir riskle kar\u015f\u0131 kar\u015f\u0131ya kald\u0131\u011f\u0131n\u0131 bir kez daha ortaya koymaktad\u0131r.\u201d<\/p>\n Raporda \u00e7\u00f6z\u00fcm \u00f6nerileri de \u015f\u00f6yle s\u0131raland\u0131:<\/p>\n * \u201cOlay\u0131n meydana geldi\u011fi sahada gerekli \u00e7evre ve g\u00fcvenlik \u00f6nlemlerinin ivedilikle al\u0131nmas\u0131 ve etki alan\u0131nda bulunan riskli binalar\u0131n bo\u015falt\u0131lmas\u0131 sa\u011flanmal\u0131d\u0131r.<\/p>\n * Kaz\u0131 \u00e7ukuru d\u0131\u015far\u0131dan getirilecek olan hafriyat ile kontroll\u00fc bir \u015fekilde doldurulmal\u0131d\u0131r.<\/p>\n * Doldurulduktan sonra jeoteknik projenin tasarlanmas\u0131, hesap raporunun haz\u0131rlanmas\u0131 ve haz\u0131rlanan projeye uygun iksa (derin kaz\u0131) uygulamas\u0131n\u0131n yap\u0131lmas\u0131 sa\u011flanmal\u0131d\u0131r.<\/p>\n * Proje dizayn\u0131 yapan uzman taraf\u0131ndan kaz\u0131 \u015fevinin uygun g\u00f6r\u00fclen noktalar\u0131na aletsel g\u00f6zlem ve geoteknik enstr\u00fcmantasyon amac\u0131 ile cihazlar yerle\u015ftirilmelidir.<\/p>\n * Sistemin g\u00fcvenli kaz\u0131lmas\u0131 ve \u00e7evre yap\u0131lar\u0131nda meydana gelebilecek deplasmanlar\u0131n takibi i\u00e7in periyodik \u00f6l\u00e7\u00fcmler al\u0131nmas\u0131 ve raporlanmas\u0131 yap\u0131lmal\u0131d\u0131r.<\/p>\n * Kaz\u0131n\u0131n tamamlanmas\u0131 s\u0131ras\u0131nda harita gurubu taraf\u0131ndan reflekt\u00f6r \u00f6l\u00e7\u00fcmleri al\u0131nmal\u0131d\u0131r.<\/p>\n * Nihai derinli\u011fe inildi\u011finde, fazla zaman kaybetmeden \u00fcst yap\u0131 in\u015faat faaliyetlerine ba\u015flanmal\u0131 ve kaz\u0131 \u00e7ukurunun \u00f6n\u00fcne yap\u0131lacak ek destekler ivedilikle in\u015fa edilmelidir.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":" Jeoloji M\u00fchendisleri Odas\u0131 (JMO) \u0130stanbul \u015eubesi, Arel \u00dcniversitesi\u2019nde meydana gelen \u00e7\u00f6kme ile ilgili rapor haz\u0131rlad\u0131. TMMOB Jeoloji …<\/p>\n","protected":false},"author":1,"featured_media":44449,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[894,698,3160,86,669],"class_list":["post-44448","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gundem","tag-insaat","tag-kazi","tag-meydana","tag-sure","tag-yapi"],"_links":{"self":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts\/44448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=44448"}],"version-history":[{"count":1,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts\/44448\/revisions"}],"predecessor-version":[{"id":44450,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts\/44448\/revisions\/44450"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/media\/44449"}],"wp:attachment":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=44448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=44448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=44448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}