Effect of perlite waste addition on the properties of autoclaved aerated concrete

Różycka, Agnieszka; Pichór, Waldemar

doi:10.1016/j.conbuildmat.2016.05.019

Cited by 117 publications

(34 citation statements)

References 40 publications

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“…al [3] determined the most effective perlite content equal to 15 % since it significantly improved the compressive strength of concrete (about 16 MPa higher than in the case of concrete without perlite fines addition). Similar results obtained Rózycka and Pichór [4] during testing of perlite waste addition effect on the proper-ties of autoclaved aerated concrete. The compressive strength didn´t significantly changed up to 30 % of volume addition of perlite waste particles.…”

Section: Introductionsupporting

confidence: 85%

Microscopic Features of Cement Paste Modified by Fine Perlite

Hrbek

Koudelková

Padevět³

et al. 2016

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The use of waste material and replacement of binder element in cementitious composites is in focus of material development. Perlite in the construction industry is usually used in form of lightweight aggregate enhancing the insulating performance of concrete. This paper focuses on integration of fine perlite into the cement matrix and possible replacement of the cement binder in the composition of the material. The macromechanical performance of the modified paste is tested on specimens with 5, 10, 15 and 20% fine perlite substitution and pure cement sample. To distinguish the effect of the perlite on the microstructural level, pure cement material and specimen containing 10% of fine perlite are investigated by the electron microscopy. Furthermore, the mechanical properties of individual phases are examined and compared on same samples by instrumented indentation. The presented results enabled estimation of fine perlite impact on the macro and microscopic performance of the material.

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Section: Introductionsupporting

confidence: 85%

Microscopic Features of Cement Paste Modified by Fine Perlite

Hrbek

Koudelková

Padevět³

et al. 2016

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“…By utilizing the program, hourly solar radiation incident on a vertical surface with different direction is calculated by using Eq. (13). The room temperature, the inner and outer surface combined heat transfer coefficients are taken as 25ºC, 8.3, and 17 W/m 2 ºC, respectively.…”

Section: Computational Proceduresmentioning

confidence: 99%

Comparison of Thermal Performance of Newly Produced Lightweight Wall and Roof Elements for Energy-efficient Buildings

Oktay

Yumrutaş

Argunhan

2020

Hittite J. Sci. Eng.

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T he building sector is responsible for the enormous amount of total energy consumption in the World. Most of this energy is used for the provision of heating and cooling applications. The main objective of a cooling or heating system is to maintain the thermal comfort conditions to the occupants of the building that are required for indoor products and processes. The heat ratio that must be removed from a room to maintain a stable temperature at the comfort level is defined as a cooling load [1]. The heat gain through the building envelope, which includes roofs and walls in most buildings, constitutes a significant partition of the overall cooling load of space due to its large area [2]. If the structures having appropriate thermal properties are selected, also accurate cooling load calculation is performed, and then suitable HVAC system components can be selected. Therefore, estimation of the cooling load through the building envelope is an essential task in the selection of proper components of an HVAC system that influences the building's performance. However, an accurate calculation of the cooling load is quite complicated

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“…Through using the extrusion strategy by Lu et al [10], the magnesium oxchloride cement with the expanded perlite/paraffin composite has a significant impact on developing the energy storage capacity in buildings. Depending on the study submitted by Różycka and Pichór [11], the use expanded perlite waste in autoclaved aerated concrete has a positive effect on the formation of calcium silicate hydrates. To increase the compressive strength of concrete, El Mir and Nehme [12] included the waste perlite powder in the self-compacting concrete mixtures as a filler material.…”

Section: Introductionmentioning

confidence: 99%

Comparison Mechanical Properties of Two Types of Light Weight Aggregate Concrete

Numan

Yaseen

Al-Juboori³

2019

Civ Eng J

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This paper presents the behavior of concrete properties by replacing the conventional coarse aggregate used in the concrete mixture by two types of lightweight aggregate; Expanded Perlite Aggregate (EPA) and Volcanic Pumice (VP). To fulfill this aim; three laboratory tests were applied; density, compressive strength, and abrasion resistance, that conducted to extrapolate the range of the changes in the properties of concrete with existence those types of aggregate in the mixture. Also, the volumetric proportion adopted as a strategy for replacing the coarse aggregate by EPA or VP in the concrete mixture. Then, the volumetric proportion ranged from 10% to 50% with the variation step was 10%. Therefore, ten concrete mixtures are prepared and divided into two groups; each group contains five concrete mixes to represent the volumetric replacement (10-50)% of conventional coarse aggregate by EPA or VP. On the other hand, one extra mixture designed by using conventional aggregate (coarse and fine aggregate) without any inclusion of EPA or VP to be considered as a reference mixture. The obtained laboratory results of this study proved that the density, compressive strength, and abrasion resistance readings of concrete decreased at any volumetric proportion replacement of coarse aggregate by EPA or VP. The decrease in density and compressive strength of concrete readings amounted the peak level at 50% replacing of coarse aggregate by EPA, which were 38.19% and 77.37%, respectively than the reference mixture. Additionally, the compressive strength is an important factor affecting the abrasion resistance of concrete mixture, and loss of abrasion decreased as compressive strength increased.

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Effect of perlite waste addition on the properties of autoclaved aerated concrete

Cited by 117 publications

References 40 publications

Microscopic Features of Cement Paste Modified by Fine Perlite

Microscopic Features of Cement Paste Modified by Fine Perlite

Comparison of Thermal Performance of Newly Produced Lightweight Wall and Roof Elements for Energy-efficient Buildings

Comparison Mechanical Properties of Two Types of Light Weight Aggregate Concrete

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