One of the important problems in earthquake geotechnical engineering is liquefaction phenomenon that happens in loose saturated granular soils. This phenomenon can cause great damages to underground structures and buildings and lifelines. Liquefaction resistance of soils can be evaluated by experimental and field tests. The use of energy is a logical step in the evaluation of liquefaction asses...

The lining system, used in tunnel boring machines, is made of precast concrete segments. use steel fibers this kind support system can not only decrease production time and costs but also improve compressive, tensile as well flexural behaviors. A study has been carried out to examine the mechanical properties segments Tabriz metro line-2 project using three types fibers: 3D, 4D, 5D. Various exp...

The project of Hangzhou Metro Line 1 is the first metro line of the urban rapid rail transit system in Hangzhou, China, which is one of the largest municipal projects of Hangzhou and is being constructed commencing fromMarch 28, 2007 and expected to be completed by October 1, 2012. This metro line has a total length of 48 km and 34 stations, connecting Hangzhou downtown with the suburban area o...

On 15 April 2012 at around 13:00 local time, following a heavy rainfall in Tehran, a break in the channel wall of Kan River caused a flash flood in the Tehran metro tunnels. Consequently, line 4 of the metro went out of operation for about two weeks 1 . The flood was running for 30 hours in the metro system so that three stations were flooded causing damage to four trains and 28 wagons 2. It is...

Annotating metro maps with thumbnail photographs is a commonly used technique for guiding travelers. However, conventional methods usually suffer from small labeling space around the metro stations, especially when they are interchange stations served by two or more metro lines. This paper presents an approach for aesthetically designing schematic metro maps while ensuring effective placement o...

1. Students’ Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran 2. Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran 3. Dept. of Biotechnology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran 4. Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran 5. Infectious and Tropical Diseases Research Center,...

Purpose. One of the most common problems in mechanized excavation is cutting tool wear, which has a great impact on final cost project and its duration. Also, one important factors affecting wear tools operating parameters tunnel boring machine (TBM). Within framework this research, laboratory simulator was designed constructed to investigate process laboratory. Methods. A few features device a...

1 Assistant Professor, Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran 2 Nursing Research Committee, Sina Hospital, Tabriz University of Medical Sciences, Tabriz, Iran 3 General Practitioner, Emergency Medicine Research Team, Tabriz University of Medical Sciences, Tabriz, Iran 4 Nursing Research Committee, Tabriz Children's Hospital, Tabriz University of...