Alex Cao
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View article: Rate-dependency and hysteresis of timber connections with a single laterally-loaded dowel and a slotted-in steel plate
Rate-dependency and hysteresis of timber connections with a single laterally-loaded dowel and a slotted-in steel plate Open
In timber structures, the connections are crucial for the overall behaviour of the structure and for providing plasticity. Previous research on timber connections has predominantly focused on their behaviour when subjected to quasi-static …
View article: Experimentally validated bending capacity models for strip-reinforced timber beams
Experimentally validated bending capacity models for strip-reinforced timber beams Open
The use of timber in construction has seen a rapid increase in demand in recent years. However, some question the capacity of the industry to supply sufficient amounts of structural grade timber in a sustainable and affordable manner as th…
View article: Novel Integrated Model Approach for High Cycle Fatigue Life and Reliability Assessment of Helicopter Flange Structures
Novel Integrated Model Approach for High Cycle Fatigue Life and Reliability Assessment of Helicopter Flange Structures Open
As one of the critical components in helicopter transmission systems, the flange is prone to fatigue damage and failure under complex operational conditions, which seriously influence operational safety and service life. To improve the str…
View article: System effects of timber connections comprising multiple fasteners
System effects of timber connections comprising multiple fasteners Open
Timber connections often comprise multiple fasteners, leading to group effects where the connection behaviour deviates from the sum of its individual components. EN 1995-1-1:2004 accounts for the group effects in the load-carrying capacity…
View article: Modelling Vehicular Impact for Threat-Dependent Progressive Collapse Assessments
Modelling Vehicular Impact for Threat-Dependent Progressive Collapse Assessments Open
Structural robustness is vital to prevent disproportionate damage in a progressive collapse of a structure. Current assessment methods in building structures, such as the notional removal of structural members, are unable to capture cascad…
View article: A pressure-sensitive rheological origin of high friction angles of granular matter observed in NASA–MGM project
A pressure-sensitive rheological origin of high friction angles of granular matter observed in NASA–MGM project Open
An abnormally high peak friction angle of Ottawa sand was observed in (National Aeronautics and Space Administration) NASA–(Mechanics of Granular Materials) MGM tests in microgravity conditions on the space shuttle. Previous investigations…
View article: Modelling progressive collapse of timber buildings
Modelling progressive collapse of timber buildings Open
An efficient and accurate numerical model is indispensable for assessing structural robustness and progressive collapses. This paper presents a parametric numerical framework for the modelling of progressive collapses of inelastic timber b…
View article: Pendulum Impact Hammer Tests on Spruce Glued Laminated Timber - Preliminary Results
Pendulum Impact Hammer Tests on Spruce Glued Laminated Timber - Preliminary Results Open
In this paper, preliminary results are presented on pendulum impact hammer tests on full-scale glued laminated timber specimens with dimensions 200x200x3600 mm for the first time.For the tests, a pendulum with an effective mass of 3500 kg …
View article: A NONLINEAR DYNAMIC MODEL FOR COLLAPSE INVESTIGATIONS IN TALL TIMBER BUILDINGS - PRELIMINARY RESULTS
A NONLINEAR DYNAMIC MODEL FOR COLLAPSE INVESTIGATIONS IN TALL TIMBER BUILDINGS - PRELIMINARY RESULTS Open
Structural robustness of timber buildings is becoming increasingly relevant because of the increasing use of timber in the built environment.An important tool for assessing the robustness of any structure is an efficient numerical model ca…
View article: PENDULUM IMPACT HAMMER TESTS ON TIMBER BEAMS - EXPERIMENTAL SETUP
PENDULUM IMPACT HAMMER TESTS ON TIMBER BEAMS - EXPERIMENTAL SETUP Open
In this paper, a test setup for conducting impact testing of full-size timber beams is presented.The test setup comprises a pendulum impact hammer with an effective length of 4750 mm, mass of 3475 kg, and can be released from a near-horizo…
View article: THE INFLUENCE OF DAMPING ON PROGRESSIVE COLLAPSE ANALYSIS
THE INFLUENCE OF DAMPING ON PROGRESSIVE COLLAPSE ANALYSIS Open
ISSN:2623-3347
View article: Lateral stiffening systems for tall timber buildings – tube-in-tube systems
Lateral stiffening systems for tall timber buildings – tube-in-tube systems Open
In this paper, an adaptable and architecturally flexible lateral stiffening system for tall timber buildings between 50 and 147 m is developed and investigated. The system is based on a tube-in-tube concept. The internal tube consists of a…
View article: A pressure-sensitive rheological origin of high friction angles of Ottawa sand observed in NASA-MGM project
A pressure-sensitive rheological origin of high friction angles of Ottawa sand observed in NASA-MGM project Open
An abnormally high peak friction angle of Ottawa sand was observed in NASA MGM tests in microgravity conditions on the space shuttle. Previous investigations have been unsuccessful in providing a constitutive insight into this behavior of …
View article: A theoretical study of the dynamic response of planar timber frames with semi-rigid moment-resisting connections subjected to wind loads
A theoretical study of the dynamic response of planar timber frames with semi-rigid moment-resisting connections subjected to wind loads Open
The dynamic response of semi-rigid timber frames subjected to wind loads is investigated numerically in this paper. The dynamic response of more than one million unique frames with different parameters was assessed with the frequency-domai…
View article: Column removal analyses of timber structures - Framework to assess dynamic amplification factors for simplified structural design methods
Column removal analyses of timber structures - Framework to assess dynamic amplification factors for simplified structural design methods Open
Structural robustness in timber structures is a topic that is becoming increasingly relevant as taller timber buildings are built. To increase the robustness of a building and by virtue preventing disproportionate and progressive collapse,…
View article: Metallic Biomaterials: Current Challenges and Opportunities
Metallic Biomaterials: Current Challenges and Opportunities Open
Metallic biomaterials are engineered systems designed to provide internal support to biological tissues and they are being used largely in joint replacements, dental implants, orthopaedic fixations and stents. Higher biomaterial usage is a…