نتایج جستجو برای: post tensioning tendons
تعداد نتایج: 409813 فیلتر نتایج به سال:
Despite widespread use of radiofrequency (RF) shrinkage, there have been no animal studies on the effects of post-operative immobilisation on the histological properties of the shrunken tissue. We have therefore examined the role of post-operative immobilisation after RF shrinkage with special emphasis on the histological properties of collagenous tissue. One patellar tendon of 66 New Zealand W...
BACKGROUND The recent discovery of residing tendon stem/progenitor cells has triggered a growing interest in stem cells as a useful tool in tendon repair. Our knowledge of their involvement in naturally healing tendons is, however, sparse. The aim of this study was to identify and determine stem/progenitor cells in relation to different healing phases and regions in a rat model of Achilles tend...
Objective: The purpose of this study was to evaluate the biomechanical characteristics of two different suture-passing techniques with different suture materials and thicknesses and assess whether they could with stand passive and/or active mobilization in the very early post-operative period. Materials and Method: 192 flexor digitorum profundus communis tendons of similar diameters were obtain...
This is Part II of a two part paper dealing with the current state of knowledge of the fire-safe structural design and construction of unbonded post-tensioned (UPT) flat plate concrete structures. Part I provided detailed results of nineteen transient high temperature stress relaxation tests on restrained UPT tendons of realistic length and parabolic longitudinal profiles. Experimentation ident...
BACKGROUND Achilles tendon ruptures are characterized by a long recovery period, high re-rupture rate and late return to work. To overcome these difficulties and augment tendon repair, many agents have been used. AIMS To determine the effect of autologous platelet rich plasma (PRP) in the treatment of Achilles tendon ruptures in rabbits. STUDY DESIGN Animal experimentation. METHODS The st...
This article expounds on the problem of use de-icing salts in corrosion steel rebars bridge decks and their effect post-tensioning elements. In particular, this paper focuses structures affected by an aggregate–alkali reaction without any waterproof treatment using example one structure whose repair was carried out 2020. structure, internal stresses due to caused longitudinal cracks upper face ...
This paper proposes a construction technology for the precision control of pedestal table and overall tensioning method composite beam steel strand Given because critical technical issues, such as deformation cracking during prestressed production process, group tensioning, bar slippage. Reinforcement fixing device research development node reinforcement arrangement its technologies based on BI...
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