High-Power Fiber Laser Cutting for 50-mm-Thick Cement-Based Materials [PDF]
, 2020 This experimental research highlights the applicability of laser cutting to cement-based materials using multimode fiber lasers. A 9 kW multimode fiber laser is used, and the experimental variables are the water-to-cement ratio, laser speed, and material
Lee, Dongkyoung +2 more
core +1 more source
An Investigation of the Mechanical and Physical Characteristics of Cement Paste Incorporating Different Air Entraining Agents using X-ray Micro-Computed Tomography [PDF]
, 2020 Improving the thermal insulation properties of cement-based materials is the key to reducing energy loss and consumption in buildings. Lightweight cement-based composites can be used efficiently for this purpose, as a structural material with load ...
Abd Elrahman, Mohamed +5 more
core +1 more source
Investigation of the effect of consolidation on cement flow behaviour [PDF]
, 2020 International audienceOne of the main problems affecting the flow of cement bulk powder is the formation of cohesive arching at the outlet of the hopper, causing blockage of the silo opening and bridge formation.
Belarbi, El-Habib +3 more
core +2 more sources
Photocatalytic Activity and Mechanical Properties of Cements Modified with TiO2/N [PDF]
, 2019 In this paper, studies of the mechanical properties and photocatalytic activity of new photoactive cement mortars are presented. The new building materials were obtained by the addition of 1, 3, and 5 wt % (based on the cement content) of nitrogen ...
Janus, Magdalena +5 more
core +1 more source
The effect of undrained heating on a fluid-saturated hardened cement paste [PDF]
, 2008 The effect of undrained heating on volume change and induced pore pressure increase is an important point to properly understand the behaviour and evaluate the integrity of an oil well cement sheath submitted to rapid temperature changes.
Ghabezloo, Siavash +2 more
core +5 more sources
Comparison between two ultrasonic methods in their ability to monitor the setting process of cement pastes [PDF]
, 2009 This paper presents the comparison between ultrasonic wave transmission (USWT) method and ultrasonic wave reflection (USWR) method in their ability to monitor the setting process of cement pastes.
Akkaya +23 more
core +2 more sources
Micromechanics analysis of thermal expansion and thermal pressurization of a hardened cement paste [PDF]
, 2011 The results of a macro-scale experimental study of the effect of heating on a fluid-saturated hardened cement paste are analysed using a multi-scale homogenization model.
Baldi +44 more
core +4 more sources
Potential of Orange Peel Ash as a Cement Replacement Material [PDF]
, 2019 The potential of Orange peel ash (OPA) as a cement replacement material was investigated with focus on the effect of OPA content on the physicomechnical properties such as consistency, setting times, soundness, compressive and flexural strengths of OPA ...
Abdullahi, Basiru +2 more
core +2 more sources
Effect of Graphene Oxide Nanosheets on Physical Properties of Ultra-High-Performance Concrete with High Volume Supplementary Cementitious Materials [PDF]
, 2020 Nanomaterials have been increasingly employed for improving the mechanical properties and durability of ultra-high-performance concrete (UHPC) with high volume supplementary cementitious materials (SCMs).
Lambert, Paul +4 more
core +1 more source
Diffusion-reaction modelling of the degradation of oil-well cement exposed to carbonated brine [PDF]
, 2017 The essential aspects of a diffusion-reaction model in development for the degradation process of oil-well cement exposed to carbonated brine are presented in this paper.
Carol, Ignacio +3 more
core +3 more sources