نتایج جستجو برای: blast effect

تعداد نتایج: 1661472  

Journal: :Journal of Structural and Construction Engineering (Transactions of AIJ) 2014

2015
Hibah O. Awwad Larry P. Gonzalez Paul Tompkins Megan Lerner Daniel J. Brackett Vibhudutta Awasthi Kelly M. Standifer

Physiological alterations, anxiety, and cognitive disorders are strongly associated with blast-induced traumatic brain injury (blast TBI), and are common symptoms in service personnel exposed to blasts. Since 2006, 25,000-30,000 new TBI cases are diagnosed annually in U.S. Service members; increasing evidence confirms that primary blast exposure causes diffuse axonal injury and is often accompa...

In the current research the maximum deflection of circular plates made of AA5010 and AA1100 alloys under blast load was investigated. Shock waves were produced by exploding a spherical charge in different distances from the center of plates. The ABAQUS software uses conwep equation for blast loading analysis. It was found the results of these simulations have about 30% to 40% inaccuracy in comp...

ژورنال: مواد پرانرژی 2015

In this study, the impulses of explosion within an aluminum truncated cone cylinder shells, effective parameters in explosion of these structures and structure effect on blast wave have been investigated. The goals of this study have listed as follows: a) determining critical value of explosives or necessary dynamic pressure for structure failure, b) formability limit during dynamical deforma...

One of the factors affecting overbreak or slough of the roof and walls of underground stopes, causing unplanned dilution is blast vibration. The amount of damage caused by earth vibration can be measured in terms of peak particle velocity (PPV). In this study, in order to investigate the effects of blast vibration on the occurrence of unplanned dilution, 72 three-component records acquired upon...

ژورنال: مواد پرانرژی 2022

Resistance to explosive loads is one of the most important aspects of the design of critical structures due to the wide range of threats. With the widespread use of concrete in the development of explosion-resistant structures, there is much research on the response of concrete components against dynamic loads such as explosion and impact in the technical literature. This paper experimentally a...

Journal: :Cement Science and Concrete Technology 2020

Journal: :American Journal of Clinical Pathology 1999

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