نتایج جستجو برای: abad tunnel project
تعداد نتایج: 284772 فیلتر نتایج به سال:
Ground settlement is often the most serious concern when tunneling under an old city with numerous historic monuments. A successful engineering design under these conditions would require getting the most out of the ground strength parameters and avoiding any weakening maneuver throughout the operation. Knowing that surface settlement is highly affected by tunneling parameters in EPB shield tun...
It is well established that the intracellular accumulation of Aβ (amyloid β-peptide) is associated with AD (Alzheimer's disease) and that this accumulation is toxic to neurons. The precise mechanism by which this toxicity occurs is not well understood; however, identifying the causes of this toxicity is an essential step towards developing treatments for AD. One intracellular location where the...
Utilization is one of the main managerial factors that is applied for construction process analysis well. It directly affects the project duration and construction costs. Therefore, a utilization study in tunneling projects is essential. In this work, the utilization of an earth pressure balance Tunnel Boring Machine (TBM) in Tabriz urban railway project was studied using the Monte Carlo simula...
Hassan Ahmadvand*, Akram Noori, Maryam Ghasemi Dehnoo, Shahrokh Bagheri, Rooh Angiz Cheraghi Razi Herbal Researches Center, Lorestan University of Medical Sciences, Khoram Abad, Iran Department of Biochemistry, Faculty of Medicine, Lorestan University of Medical Sciences, Khoram Abad, Iran Department of Biochemistry, Payame Noor University, Mashhad branch, Iran Department of Biology, Science an...
Tunnel construction method using a tunnel boring machine (TBM) is commonly adopted for building underground infrastructure, such as railways, roads, sewers, or utility pipelines. TBM tunnelling entails precise guidance of the machine in the underground space, as well as effective construction management and project control. The research aims to address critical engineering and management proble...
During construction of the Šentvid tunnel a unique opportunity arose to measure the 3D displacements ahead of the motorway tunnel excavation face, since the exploratory tunnel was already constructed in the axis of the main tunnel. According to reviewed literature such measurements had not been performed yet and several problems regarding equipment and complete scheme of the experiment needed t...
BACKGROUND The outcome of patients with acute type B aortic dissection (ABAD) is strongly related to their clinical presentation. The purpose of this study was to investigate predictors for mortality among patients presenting with ABAD and to create a predictive model to estimate individual risk of in-hospital mortality using the International Registry of Acute Aortic Dissection (IRAD). METHO...
The cross city tunnel in Sydney has been a fairly spectacular failure as a Public Private Partnership – the operating company has gone into receivership less than 2 years after the tunnel opening in August 2005. The tunnel, built at a cost of about $800 million failed to attract the traffic required to meet interest payments. Even when use of the tunnel was free, the traffic did not approach th...
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