Results 21 to 30 of about 4,946 (135)
Bone Hardness of Different Anatomical Regions of Human Radius and its Impact on the Pullout Strength of Screws [PDF]
Orthopaedic Surgery, 2019 Weiwei Wu
exaly +2 more sources
Practical cases in the application of the pullout method (LOK-TEST and CAPO-TEST) for in-place compressive strength [PDF]
MATEC Web of Conferences, 2022 The pullout methods LOK- TEST and CAPO-TEST for in-place compressive strength are presented with their theoretical analysis’ background and correlations from 30 major studies, made worldwide, showing robust general correlations between pullout force and ...
Petersen Claus Germann
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The Determination of Pullout Parameters for Sand with a Geogrid
Applied Sciences, 2020 The concept of designing mechanically stabilized earth (MSE) walls is divided into internal and external stability review methods, and one of the design factors required in internal stability analysis is the frictional characteristics between soil and ...
Kyungho Park +3 more
doaj +1 more source
A Biomechanical Comparison of Expansive Pedicle Screws for Severe Osteoporosis: The Effects of Screw Design and Cement Augmentation. [PDF]
PLoS ONE, 2015 Expansive pedicle screws significantly improve fixation strength in osteoporotic spines. However, the previous literature does not adequately address the effects of the number of lengthwise slits and the extent of screw expansion on the strength of the ...
Ching-Lung Tai +5 more
doaj +1 more source
Effects of double-arched geometry and tensile strength on the pullout resistance of fibers
Case Studies in Construction Materials, 2023 This study evaluated the pullout resistance performance of a developed double-arched steel fiber. Pullout experiments were conducted to assess the resistance load, bond strength, and energy absorption capacity of the fiber according to the geometry and ...
Ju-Hyun Park +3 more
doaj +1 more source
Frontiers in Bioengineering and Biotechnology, 2023 Intraoperative pedicle screw depth adjustment after initial insertion, including both forward and backward adjustments, is sometimes necessary to facilitate rod application and ensure that the screw is in the correct position, which is determined by ...
Yun-Da Li +9 more
doaj +1 more source
Scientific Reports, 2021 Conventional evaluation of the stability of bone screws focuses on pullout strength, while neglecting lateral migration resistance. We measured pullout strength and lateral migration resistance of bone screws and determined how these characteristics ...
Xiaoreng Feng +6 more
doaj +1 more source
Journal of Orthopedic and Spine Trauma, 2017 Background: Pedicle screw instrumentation is one of the most commonly used forms of stabilization. Achieving solid screw fixation within the bone presents a significant challenge to spinal surgeons.
Sheida Vafadar, Gholamreza Rouhi
doaj +1 more source
Case Studies in Construction Materials, 2023 This study analyzes the precious data from the literature on bond strength between concrete and CFRP bars associated with the pullout test. In this regard, an overview of the pullout test and bond stress-slip model, along with a systematic analysis of ...
Mohd Basri Che Bakar +3 more
doaj +1 more source
BMC Musculoskeletal Disorders, 2009 Background This study was designed to derive the theoretical formulae to predict the pullout strength of pedicle screws with an inconstant outer and/or inner diameter distribution (conical screws).
Wu Shing-Sheng +5 more
doaj +1 more source