نتایج جستجو برای: rebar
تعداد نتایج: 721 فیلتر نتایج به سال:
Infrastructure health monitoring is an important issue in the transportation industry. For the case of cementbased structures in particular, detection of corrosion on reinforcing steel bars (rebar) is an ongoing problem for aging infrastructure. There have been a number of techniques that have shown promise in this area including microwave nondestructive testing (NDT) and thermography. Thermogr...
The Brillouin optical time-domain analysis (BOTDA)-based optical fiber method has been proposed to measure strain variations caused by corrosion expansion. Spatial resolutions of 1 m can be achieved with this kind of Brillouin sensor for detecting the distributed strain. However, when the sensing fiber is wound around the steel rebar in a number of circles in a range of several meters, this spa...
Two new types of connection between concrete-filled U-shaped steel (CFUS) beams and square tube (CFSST) columns were presented in this study, including rebar-sleeve with internal diaphragm rebar-through connection. Based on the experiments rebar-plate connections CFUS CFSST under cyclic loading, nonlinear finite element models tested specimens developed validated by comparing them experimental ...
Macrocell corrosion of steel rebar in concrete induced by corrosive environments has attracted widespread attention the engineering community due to its rapid rate, diverse forms, and multiple incentives. Potential differences between dissimilar coupled or different parts same mainly cause macrocell rebar. The more significant potential difference, faster rate macrocell. Based on existing resea...
Clinical scale zinc finger nuclease (ZFN)-driven gene-editing of PD-1 in tumor infiltrating lymphocytes (TIL) for the potential treatment of metastatic melanoma Joal D Beane, Gary K Lee, Zhili Zheng, Nimisha Gandhi, Daniel Abate-Daga, Mini Bharathan, Mary Black, Matthew Mendel, Zhiya Yu, Sadik H Kassim, Smita Chandran, Martin Giedlin, Dale Ando, Ed Rebar, Andreas Reik, Michael Holmes, Philip D ...
Surface nanocrystallization (SNC) modification can be used to realize the high-efficiency derusting of rusted Cr-alloyed rebar and obtain nanostructured grains on surface rebar. The corrosion resistance performance SNC in a simulated Cl--containing concrete pore solution was evaluated basis electrochemical experiments. Potentiodynamic polarization testing showed that passivation current density...
To augment current methods for the evaluation of reinforcing bar (rebar) corrosion within concrete, we are exploring unique features in the dielectric and magnetic spectra of pure iron oxides and corrosion samples. Any signature needs to be both prominent and consistent in order to identify corrosion within concrete bridge deck or other structures. In order to measure the permittivity and propa...
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