نتایج جستجو برای: concrete braces

تعداد نتایج: 78961  

Journal: :Shock and Vibration 2021

The control of vibrations and damage in traditional reinforced concrete (RC) buildings under earthquakes is a difficult task. It requires the use innovative devices to enhance seismic behavior buildings. In this paper, we design RC with buckling restrained braces (BRBs) achieve objective. For aim, three framed structures 3, 6, 9 story levels are designed by using well-known technique nondominat...

2005
Sofiane Amziane Chiara F. Ferraris Eric P. Koehler

The main objective of this study is to evaluate the workability of fresh portland cement concrete while it is still in the mixing truck by determining fundamental rheological parameters (plastic viscosity and yield stress). Nine concrete mixtures with different values of yield stress and plastic viscosity were tested in a concrete truck. The measurements made with the truck were based on the ty...

Journal: :American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics 2005
Garret Djeu Clarence Shelton Anthony Maganzini

INTRODUCTION This treatment-outcome assessment objectively compares Invisalign (Align Technology, Santa Clara, Calif) treatment with braces. METHODS This study, a retrospective cohort analysis, was conducted in New York, NY, in 2004. Records from 2 groups of 48 patients (Invisalign and braces groups) were evaluated by using methods from the American Board of Orthodontics Phase III examination...

Journal: :Journal of clinical orthodontics : JCO 2006
Neil A Raney

The questionnaire contained the following six questions: 1. What instrument do you play? 2. How long did you play it before you had braces? 3. How did braces affect the way you played your instrument? 4. How long did it take you to get used to playing your instrument with braces? 5. Did any specific aids (examples: wax, brace guard, etc.) help you get used to playing your instrument with braces...

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: :American journal of physical medicine & rehabilitation 2007
Kelvin T L Chew Henry L Lew Elaine Date Michael Fredericson

Braces are commonly used for the management of musculoskeletal injuries. With improvements in design and application, the knee brace has gained recognition by many as a treatment and prevention modality. However, there exist many different categories of knee braces, leading to confusion among many end users. The theoretical basis of the mechanism of action of the unloader, prophylactic, patello...

Journal: :Studies in health technology and informatics 2008
S Negrini F Zaina S Atanasio

Braces today are named according to the author's name or town. The existing classification of braces considers only the anatomical spinal section involved (C: cervical; T: thoracic; L: lumbar; S: sacral; Orthosis). The absence of a more detailed classification do not allow to really distinguish between the different braces and to have a common language between the conservative treatment experts...

2013
HR Weiss

Abstract Introduction Soft/dynamic braces today are used all over the world under the name of SpineCor. The marketing concept is very effective in promoting the soft brace as the first and only ‘dynamic’ brace. A short review has been undertaken, investigating the history of dynamic braces and devices available today. Short communication The use of soft braces to treat scoliosis has been docume...

2012
FJ Sánchez Pérez-Grueso

Orthotic treatment of infantile scoliosis represents a challenge: 1. Most of them are progressive 2. Different etiologies 3. Associated diseases 4. Smaller size anatomy 5. Immature rib cage Types: 1. Braces • Do not provide immediate correction • Treatment aimed to “hold” the spine and prevent further progression • Risk of chest deformity in case of braces constricting the thorax • Literature d...

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