User profiles for Roberto Leon
Roberto LeonDH Burrows Professor of Construction Engineering, Virginia Tech Verified email at vt.edu Cited by 7448 |
Bolted steel connections: tests on T-stub components
JA Swanson, RT Leon - Journal of Structural Engineering, 2000 - ascelibrary.org
The results of tests on 48 T-stub specimens are presented and discussed. These tests were
carried out as part of a SAC Phase II project in order to provide insight into the behavior, …
carried out as part of a SAC Phase II project in order to provide insight into the behavior, …
Steel beam-column connections using shape memory alloys
J Ocel, R DesRoches, RT Leon, WG Hess… - Journal of Structural …, 2004 - ascelibrary.org
This study evaluates the feasibility of a new class of partially restrained connections using
shape memory alloys. In the martensitic form, shape memory alloys (SMAs) have the ability to …
shape memory alloys. In the martensitic form, shape memory alloys (SMAs) have the ability to …
Parametric analysis of steel bolted end plate connections using finite element modeling
YI Maggi, RM Gonçalves, RT Leon… - Journal of Constructional …, 2005 - Elsevier
This paper presents and discusses results of parametric analyses on the behavior of bolted
extended end plate connections using Finite Element (FE) modeling tools. The analyses …
extended end plate connections using Finite Element (FE) modeling tools. The analyses …
Experimental results of a NiTi shape memory alloy (SMA)-based recentering beam-column connection
A half-scale interior beam-column connection incorporating superelastic nickel-titanium
shape memory alloy (SMA) tendons was designed, fabricated, and tested to assess the …
shape memory alloy (SMA) tendons was designed, fabricated, and tested to assess the …
Design and analysis of braced frames with shape memory alloy and energy-absorbing hybrid devices
CSW Yang, R DesRoches, RT Leon - Engineering Structures, 2010 - Elsevier
A hybrid seismic device that provides both energy-absorbing and re-centering capabilities
to overcome external forces is developed and evaluated. The hybrid device is composed of …
to overcome external forces is developed and evaluated. The hybrid device is composed of …
Passive wireless antenna sensor for strain and crack sensing—Electromagnetic modeling, simulation, and testing
This research investigates a passive wireless antenna sensor designed for strain and crack
sensing. When the antenna experiences deformation, the antenna shape changes, causing …
sensing. When the antenna experiences deformation, the antenna shape changes, causing …
Advanced finite element modeling of bolted T-stub connection components
JA Swanson, DS Kokan, RT Leon - Journal of Constructional Steel …, 2002 - Elsevier
The results of a finite element investigation of the behavior of T-stub flanges are presented
and compared to experimental data. Two types of models were employed; a three …
and compared to experimental data. Two types of models were employed; a three …
Shear strength and hysteretic behavior of interior beam-column joints
RT Leon - Structural Journal, 1990 - concrete.org
The performance of four half-scale interior joints with respect to joint shear stress and beam
bar anchorage lengths is described. The main variable in the tests was the column depth, …
bar anchorage lengths is described. The main variable in the tests was the column depth, …
Stiffness modeling of bolted T-stub connection components
JA Swanson, RT Leon - Journal of structural engineering, 2001 - ascelibrary.org
The results of 48 T-stub component tests and eight full-scale T-stub connection tests are used
to develop and calibrate a comprehensive T-stub connection stiffness model. The model, …
to develop and calibrate a comprehensive T-stub connection stiffness model. The model, …
Shape memory alloy tension/compression device for seismic retrofit of buildings
…, DE Hodgson, R DesRoches, RT Leon - Journal of materials …, 2009 - Springer
A tension/compression device is developed for applications as bracing elements in buildings.
The device is designed to allow Nitinol forms, such as helical springs or Belleville washers…
The device is designed to allow Nitinol forms, such as helical springs or Belleville washers…