نتایج جستجو برای: post tensioning

تعداد نتایج: 404824  

Journal: :Journal of Cleaner Production 2021

Multi-objective optimisation of concrete floors for economic and environmental performance is critical in the present context since building construction sector responsible a rising share global economy greenhouse gas emissions. This study explores how designs with optimum cost embodied carbon are governed by selection floor system column spacing. Discrete were generated parametrically varying ...

Journal: :The Journal of hand surgery 2004
Mary T Gabriel H James Pfaeffle Kathryne J Stabile Matthew M Tomaino Kenneth J Fischer

PURPOSE For severe forearm injuries such as an Essex-Lopresti fracture-dislocation, functional reconstruction necessitates repair of the interosseous ligament (IOL) to restore normal load sharing between the radius and ulna. Locating or tensioning such a reconstruction improperly can lead to abnormal load sharing and/or restriction of forearm rotation. The normal IOL strains should indicate the...

Journal: :Revista NUPEM 2021

This work aims to discuss the role of University in our contemporaneity, especially first decades 21st century, from interface between Higher Education and Countryside Education. It explores issues related Brazil analyzes its exclusionary character, even when touched by democratization movements. In addition, it highlights inclusion popular sectors public university, mainly linked struggle for ...

Journal: :Journal of physics 2021

Abstract In this paper, the ABAQUS finite element software is used to model and analyze single-layer reticulated shell structure. And method of removing constraints key components anti-continuous collapse performance structure under action geometric defects welding deformation. Welding deformation mainly caused by prestressed cable tensioning shell. The results show that removal columns will le...

Journal: :Sustainability 2023

The optimal design of prestressed concrete cylindrical walls is greatly beneficial for economic and environmental impact. However, the lack available big enough datasets training robust machine learning models one factors that prevents wide adoption techniques in structural design. current study demonstrates application well-established harmony search methodology to create a large database conf...

2013
Sang Hak Lee Young Bok Jung Han-Jun Lee Ho Joong Jung Seong Hwan Kim

BACKGROUND The purpose of the present study was to compare the clinical results of 3 posterior cruciate ligament reconstruction techniques according to the time from injury to surgery and remnant PCL status and to evaluate the efficiency of each technique. METHODS The records of 89 patients who underwent primary PCL reconstructions with a posterolateral corner sling were analyzed retrospectiv...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1992
J A Assad D P Corey

Bullfrog saccular hair cells adapt to maintained displacements of their stereociliary bundles by shifting their sensitive range, suggesting an adjustment in the tension felt by the transduction channels. It has been suggested that steady-state tension is regulated by the balance of two calcium-sensitive processes: passive "slipping" and active "tensioning." Here we propose a mathematical model ...

 Background: A rare and devastating complication following anterior cruciate ligament (ACL) revision reconstruction is femoral fracture.    Case presentation: A 35-year old male soccer player with a history of ACL tear from the previous year ago, who underwent arthroscopic ACL reconstruction and functioned well until another similar injury caused ACL re-rupture. Revision of ACL reconstruction w...

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