Published in Materials and Structures
This study systematically investigates the hardened properties, durability and void distribution of large-scale 3D printed cement-based materials (3DPC). Experimental results indicate that 3DPC has higher compressive and flexural strengths, lower drying shrinkage, better resistance against sulfate attack and carbonation than mold-cast cement-based ...
Published in Materials and Structures
This article presents an analytical model, based on a refinement of the rotating-angle softened truss model (RA-STM) with efficient solution procedure, to predict the full response of reinforced concrete (RC) membrane elements strengthened with fiber reinforced polymers (FRP). To extend the RA-STM, equations from equilibrium conditions and smeared ...
Published in Materials and Structures
Several studies show that thermal and hydrothermal treatment can further improve the excellent properties of UHPC in terms of mechanical strength and durability. While for the thermal treatment the increase in strength is attributed to an intensified pozzolanic and hydraulic reaction, for the hydrothermal treatment previous studies accredited it mo...
Published in Materials and Structures
The equi-biaxial tensile properties of strain-hardening UHPFRC are determined and investigated based on an original analytical inverse analysis of results from ring-on-ring tests. First, the analytical inverse analysis method is developed based on the elastic slab bending and yield line theories. Using this method, a new objective criterion for the...
Published in Materials and Structures
Tension stiffening is an essential effect that influences the behaviour of concrete structures under serviceability conditions, mainly regarding crack control and deflection behaviour. Serviceability conditions can be studied experimentally by running the so-called uniaxial tensile test. This paper reports an extensive experimental research conduct...
Published in Materials and Structures
Over the last two decades, nanolime has been recognized as a promising consolidation approach to consolidate historic calcareous substrates due to its compatibility, durability and fast carbonation. The effectiveness of nanolime products has been widely proven for superficial consolidation treatments, especially in historic wall-paintings. However,...
Published in Materials and Structures
During the initial construction period, “early-age” masonry walls are susceptible to lateral loads induced by wind, which may result in damages or catastrophic failures at a job site. To mitigate such consequences at construction sites, temporary bracing may be required to provide lateral support to masonry walls until they reach sufficient strengt...
Published in Materials and Structures
The thin friction course (TFC), consisting of modified asphalt emulsion, single particle size aggregate, and cement, is usually utilized as a preventive maintenance treatment to address the functional distresses of asphalt pavement. Meanwhile, TFC materials also face harsh environmental and traffic conditions, especially the freeze–thaw conditions ...
Published in Materials and Structures
This paper presents an experimental study of the carbonation consequences on the macroscopic properties of a lime-treated silty soil. The classical cure in the lab confirms a slow increase in unconfined compressive strength (UCS) over time. Accelerated carbonation leads to a similar final value but the kinetic is different, showing a rapid increase...
Published in Materials and Structures
To improve pavement design methods, the behaviour of the interfaces between pavement layers must be precisely taken into account. This paper describes the thermomechanical behaviour of an interface in the small strain domain. Thanks to the innovative 2T3C Hollow Cylinder Apparatus (2T3C HCA), the behaviour of an interface was observed directly with...
