Karayolları genel müdürlüğü duyurular

In Junethe U. Below is its Executive Summary. On March 15,at approximately p.

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Karayolları genel müdürlüğü duyurular

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The bridge had structural design deficiencies that contributed to the collapse during construction stage III. It does not store any personal data. We also use third-party cookies that help us analyze and understand how you use this website.

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Son Duyurular. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.

Karayolları genel müdürlüğü duyurular

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The concrete truss had developed numerous wide and deep structural cracks jeopardizing the integrity of the bridge. Read more. Despite these admissions and the knowledge that the cracks were growing in size, EOR stated more than once that the cracks did not present any safety concerns. Given the nature and extent of the cracking and the non-redundancy of the bridge design, necessary safety precautions should have included closing the roadway below the bridge and immediately providing shoring to the bridge at suitable locations until a complete evaluation was done. The evaluations of the cracks by EOR, and his recommendation to re-tension the post-tensioning bars of diagonal 11, were not included in the original design and therefore should have been subject to peer review. The bridge had structural design deficiencies that contributed to the collapse during construction stage III. You also have the option to opt-out of these cookies. OSHA worked closely with the National Transportation Safety Board NTSB and local officials, inspecting the remnants of the fallen bridge, and interviewing contractors to determine construction activities preceding the collapse. MCM had extensive construction experience in concrete structures and had intimate knowledge of the magnitude of cracks, which were growing in size daily. During the first week of investigation, OSHA maintained a hour surveillance at the incident site. Performance Performance. The EOR should have immediately instructed that the bridge be shored at appropriate locations and SW 8th Street be closed. Tahmini Ardiye Hesaplama.

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As a result of the investigation, OES concludes that:. Alan Lu, Ph. Given the nature and extent of the cracking and the non-redundancy of the bridge design, necessary safety precautions should have included closing the roadway below the bridge and immediately providing shoring to the bridge at suitable locations until a complete evaluation was done. It does not store any personal data. In June , the U. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website. OSHA worked closely with the National Transportation Safety Board NTSB and local officials, inspecting the remnants of the fallen bridge, and interviewing contractors to determine construction activities preceding the collapse. Hava Durumu. But opting out of some of these cookies may affect your browsing experience. Analytics Analytics. Munilla Construction Management, Inc. Manage consent. The evaluations of the cracks by EOR, and his recommendation to re-tension the post-tensioning bars of diagonal 11, were not included in the original design and therefore should have been subject to peer review. The bridge had structural design deficiencies that contributed to the collapse during construction stage III.