نتایج جستجو برای: post tensioning

تعداد نتایج: 404824  

2015
Bo Li Zhankuan Zhang Weiguang Li Xiaorui Peng

In this study, a numerical model of the tangential tensioning stress distribution of a circular saw blade tensioned by multi-spot pressure was established using theoretical analysis, and the tangential tensioning stress distribution of the circular saw blade calculated by the model was shown to be true and reliable. The effect of yield strength of the circular saw blade on the distribution of t...

Journal: :Spine 2008
Craig A Good David C Viano Janet L Ronsky

STUDY DESIGN A biomechanical study using human volunteers. OBJECTIVE Motorized shoulder belt tensioning is a new seatbelt technology that is likely to be incorporated into future vehicles. The objective of this study was to characterize the upper torso biomechanics of 3 sizes of adult volunteers (5th percentile female, 50th percentile male, and 95th percentile male) subjected to motorized sho...

Journal: :Journal of Bridge Engineering 2021

Abstract In this study, a new transverse post-tensioning (TPT) technique for box girder bridges is investigated, where TPT applied at the top flange of resulting in eliminating in...

Journal: :The Journal of the American Academy of Orthopaedic Surgeons 2012
Seth L Sherman Peter N Chalmers Adam B Yanke Charles A Bush-Joseph Nikhil N Verma Brian J Cole Bernard R Bach

Failure to correctly tension grafts may overconstrain or underconstrain the knee, potentially predisposing the patient to deteriorating clinical and/or radiographic results over time. Knee ligament reconstruction requires a fundamental understanding of native anatomy, ligament biomechanics, and principles of graft tensioning. A successful strategy for graft tensioning takes into account the spe...

2013
J. W. Kim J. H. Doh S. Fragomeni

This paper discusses the behaviour characteristics of the shaping formation of Single-Chorded Space Truss (SCST) structures by means of cable-tensioning of bottom chords. The innovative technique is fast and economical and issued in many types of space structures. The small-scale test models presented herein consist of uniform pyramids with multi-directional ball type joints which are erected i...

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