Grey Model Research Based on the Pore Structure Fractal and Strength of NMR Aeolian Sand Lightweight Aggregate Concrete
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DOI: 10.1007/s11837-019-03887-w
Abstract: In the present study, macro-mechanical and micro-pore structure tests were conducted on aeolian sand lightweight aggregate concrete. A fractal theory was used to characterize the distributions of the pore radii of the concrete. Then, the… read more here.
Keywords: sand lightweight; aeolian sand; aggregate concrete; lightweight aggregate ... See more keywords
Influence of cracking on the capillary absorption and carbonation of structural lightweight aggregate concrete
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DOI: 10.1016/j.cemconcomp.2019.103382
Abstract: Abstract This paper aims to study the influence of the presence of cracks on the capillary absorption and carbonation resistance of structural lightweight aggregate concrete (LWAC) and to compare its behaviour to normal weight concrete.… read more here.
Keywords: absorption carbonation; carbonation; structural lightweight; capillary absorption ... See more keywords
Investigation on flexural toughness evaluation method of steel fiber reinforced lightweight aggregate concrete
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DOI: 10.1016/j.conbuildmat.2016.11.101
Abstract: Abstract The main purpose of this paper was to investigate the influence of steel fiber (SF) content on the flexural properties of steel fiber reinforced lightweight aggregate concrete (SFLWC) and propose a suitable method for… read more here.
Keywords: fiber reinforced; method; fiber; lightweight aggregate ... See more keywords
Experimental study on the thermal properties of lightweight aggregate concretes at different moisture contents and ambient temperatures
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DOI: 10.1016/j.conbuildmat.2017.06.087
Abstract: Abstract This study reports the influence of moisture content and temperature on the thermal properties of lightweight aggregate concretes. Seven types of coarse and fine lightweight aggregates from three different natures were used. The thermal… read more here.
Keywords: aggregate concretes; state; moisture; properties lightweight ... See more keywords
Influence of type of binder on high-performance sintered fly ash lightweight aggregate concrete
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DOI: 10.1016/j.conbuildmat.2018.05.057
Abstract: Abstract Concrete industry consumes natural resources in a massive manner. As the demand for concrete is growing, one of the effective ways to minimize the harmful effect of concrete is to improve its structural efficiency… read more here.
Keywords: lightweight aggregate; aggregate concrete; high performance; performance ... See more keywords
Parallel approach of a Galerkin-based methodology for predicting the compressive strength of the lightweight aggregate concrete
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DOI: 10.1016/j.conbuildmat.2019.05.160
Abstract: Abstract A methodology based on the Galerkin formulation of the finite element method has been analyzed for predicting the compressive strength of the lightweight aggregate concrete using ultrasonic pulse velocity. Due to both the memory… read more here.
Keywords: compressive strength; galerkin; predicting compressive; methodology ... See more keywords
Stress-strain relationship for plain and fibre-reinforced lightweight aggregate concrete
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DOI: 10.1016/j.conbuildmat.2019.07.135
Abstract: Abstract Lightweight aggregate concrete (LWAC) shows good performance in structural applications owing to its expected lower contribution to the deadweight of a structure, it nonetheless exhibits significant reduction in certain mechanical properties compared with the… read more here.
Keywords: fibre; stress strain; aggregate concrete; lightweight aggregate ... See more keywords
Bond-slip properties between lightweight aggregate concrete and rebar
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DOI: 10.1016/j.conbuildmat.2020.119355
Abstract: Abstract The bond-slip behavior of reinforcing bars in lightweight aggregate concrete (LWAC) was investigated. Effects of different concrete strengths (39.4, 48.7, 62.7 and 83.2 MPa), diameters of reinforcing bars (12, 16 and 20 mm) and embedded lengths… read more here.
Keywords: slip; bond; bond slip; slip properties ... See more keywords
Flexural behavior of precast, prestressed, lightweight aggregate concrete-conventional concrete composite beams
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DOI: 10.1016/j.conbuildmat.2020.121926
Abstract: Abstract This study explores the flexural behavior of precast, prestressed, lightweight aggregate concrete-conventional concrete composite beams. Ten specimens were tested with consideration of the height of the combined interface, the reinforcement ratio, and the location… read more here.
Keywords: conventional concrete; concrete conventional; lightweight aggregate; concrete composite ... See more keywords
The axial compressive behavior of stone-lightweight aggregate concrete-filled steel tubular stub columns
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DOI: 10.1016/j.conbuildmat.2021.123815
Abstract: Abstract To study the axial compressive mechanical properties of stone-lightweight aggregate concrete-filled steel tubular (SLACFST) stub columns, five circular stone-lightweight aggregate concrete-filled steel tubular (C-SLACFST) and square stone-lightweight aggregate concrete-filled steel tubular (S-SLACFST) stub columns… read more here.
Keywords: concrete filled; aggregate concrete; filled steel; lightweight aggregate ... See more keywords
Behavior of Reinforced Lightweight Aggregate Concrete-filled Circular Steel Tube Columns Under Axial Loading
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DOI: 10.1016/j.istruc.2018.09.001
Abstract: Abstract The use of lightweight aggregate concrete (LWC) is the most obvious way to reduce the self-weight of concrete-filled steel tube (CFST) columns. This paper reports an investigation of the properties of reinforced lightweight aggregate… read more here.
Keywords: concrete filled; lightweight aggregate; steel tube; steel ... See more keywords