نتایج جستجو برای: buckling restraint brace

تعداد نتایج: 18991  

2015

Abstract—Nowadays, energy dissipation devices are commonly used in structures. High rate of energy absorption during earthquakes is the benefit of using such devices, which results in damage reduction of structural elements, specifically columns. The hysteretic damping capacity of energy dissipation devices is the key point that it may adversely make analysis and design process complicated. Thi...

Journal: :JPMA. The Journal of the Pakistan Medical Association 2014
Syed Kamran Ahmed Syed Ali Anwer Jillani Muhammad Zeeshan Aslam Sundus Iftikhar Muhammad Amin Chinoy Mansoor Ali Khan Jose Morcuende

OBJECTIVE To access the acceptability of Steenbeek brace by children undergoing clubfoot correction and their parents to ensure long-term compliance. METHODS The cross-sectional study was conducted at the Indus Hospital, Karachi from October 2013 to March 2014. A trained researcher interviewed the person primarily responsible for bracing the child using a pre-coded questionnaire. Modified Ort...

2014
HR Weiss S Seibel M Moramarco A Kleban

Introduction There are a wide variety of brace applications available today with different outcomes and different characteristics. The purpose of this study is to compare in-brace corrections of the series applied today to recent Chêneau series braces as presented in literature. methodology All patients were registered and fulfil the Scoliosis Research Society inclusion criteria for studies on ...

Journal: :Scoliosis 2009
Hans-Rudolf Weiss Deborah Turnbull Silvia Bohr

BACKGROUND In contemporary literature few have written in detail on the in-brace correction effects of braces used for the treatment of hyperkyphosis. Bradford et al. found their attempts effective, treating Scheuermann's kyphosis with Milwaukee braces, but their report did not specifically focus on in-brace corrections. White and Panjabi's research attempted to correct a curvature of > 50 degr...

Journal: :Thin-walled Structures 2023

Formulae for calculating the elastic local buckling stresses of doubly-symmetric thin-walled I-section girders subjected to combined shear and direct stresses, accounting interaction between plate elements are presented. The (i.e. flanges web) is bounded by a theoretical lower-bound, where there no critical considered be simply-supported, upper-bound strongest have rotationally fixed edges. acc...

پایان نامه :وزارت علوم، تحقیقات و فناوری - موسسه آموزش عالی غیر انتفاعی و غیر دولتی شمال - آم - دانشکده فنی 1389

امروزه با توجه به پیشرفت صنعت ساختمان و افزایش ساختمانهای بلند مرتبه در سطح کشور، شناخت دقیق سیستمهای مقاوم در برابر زلزله و بررسی رفتار شان سبب استفاده بهینه از آنها در ساختمانهای مختلف می گردد . جهت مقابله با نیروهای جانبی و به ویژه نیروی زلزله سیستمهای مختلفی بکار می رود که از آن جمله می توان به مهاربندها اشاره نمود . این سیستمها بر مبنای رفتار محوری کششی فشاری تعیین می گردند . یکی از نقاط ض...

2009
J Hermus M Hulsbosch N Guldemond Lv Rhijn

Results Prior to participating the present study, the mean duration of brace treatment was 25.5 months for the Boston brace and 13.9 months for the Brace 2000. In the Boston brace group, the mean primary right thoracic curve was 35.8°, and the mean secondary curve measured 24.1°. The mean corrective force over the lumbar brace pad in standing position was 394 N, and over the thoracic brace pad ...

Journal: :Journal of Structural and Construction Engineering (Transactions of AIJ) 2005

2010
Nicole Yeh James H Wynne Timothy Hresko

Materials and methods This is a retrospective study examining coronal plane spine radiographs of 27 adolescents diagnosed with idiopathic scoliosis and prescribed a Boston Brace-style thoracolumbosacral orthosis. Cobb angle, decompensation of C7, and Overall Balance Summation (OBS) (Carlson and Smith, 2007) were measured on pre-brace, in-brace, and immediately post-brace x-rays for each subject...

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