Reuse of ground waste glass as aggregate for mortars

Corinaldesi, Valeria; Gnappi, G.; Moriconi, Giacomo; Montenero, A.

doi:10.1016/j.wasman.2004.12.009

Cited by 210 publications

(71 citation statements)

References 2 publications

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“…The use of coarse glass was not satisfactory, resulting in marked strength regression and excessive expansion [3][4][5]. However, glass powders with a microscale size distribution produce an improvement in strength and transport properties of mortar and concrete [6][7][8][9]. Research on waste glass as SCM is still rare, whereas the market of glass-composite cement is potentially available.…”

Section: Introductionmentioning

confidence: 99%

Formulation of portland composite cement using waste glass as a supplementary cementitious material

Manullang¹,

Samadhi

Purbasari

2017

AIP Conference Proceedings

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Abstract. Utilization of waste glass in cement is an attractive options because of its pozzolanic behaviour and the market of glass-composite cement is potentially available. The objective of this research is to evaluate the formulation of waste glass as supplementary cementitious material (SCM) by an extreme vertices mixture experiment, in which clinker, waste glass and gypsum proportions are chosen as experimental variables. The composite cements were synthesized by mixing all of powder materials in jar mill. The compressive strength of the composite cement mortars after being cured for 28 days ranges between 229 to 268 kg/cm2. Composite cement mortars exhibit lower compressive strength than ordinary Portland cement (OPC) mortars but is still capable of meeting the SNI 15-7064-2004 standards. The highest compressive strength is obtained by shifting the cement blend composition to the direction of increasing clinker and gypsum proportions as well as reducing glass proportion. The lower compressive strength of composite cement is caused by expansion due to ettringite and ASR gel. Based on the experimental result, the composite cement containing 80% clinker, 15% glass and 5% gypsum has the highest compressive strength. As such, the preliminary technical feasibility of reuse of waste glass as SCM has been confirmed.

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Section: Introductionmentioning

confidence: 99%

Formulation of portland composite cement using waste glass as a supplementary cementitious material

Manullang¹,

Samadhi

Purbasari

2017

AIP Conference Proceedings

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“…This is not a serious problem for countries that have mercury lamp production where the use of this type of glass is feasible. Nevertheless, in countries where there is no lamp production this fact represents an environmental problem to be considered, since if the residual glass did not contain mercury, it could be used in the cement sector and in the ceramics industry, especially in the 3 manufacture of frits and glass mosaic (Chen et al, 2002;Corinaldesi et al, 2005;Caligaris et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Removal of mercury bonded in residual glass from spent fluorescent lamps

Rey‐Raap¹,

Gallardo²

2013

Journal of Environmental Management

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The current technologies available for recycling fluorescent lamps do not completely remove the phosphor powder attached to the surface of the glass. Consequently, the glass contains the mercury diffused through the glass matrix and the mercury deposited in the phosphor powder that has not been removed during treatment at the recycling plant. A low-cost process, with just one stage, which can be used to remove the layer of phosphor powder attached to the surface of the glass and its mercury was studied. Several stirring tests were performed with different extraction mixtures, different liquid-solid ratios, and different agitation times. The value of the initial mercury concentration of the residual glass was 2.37±0.50µg/g. The maximum extraction percentage was 68.38%, obtained by stirring for 24 hours with a liquid-solid ratio of 10 and using an extraction solution with 5% of an acid mixture prepared with HCl and HNO 3 at a ratio of 3:1 by volume. On an industrial scale the contact time could be reduced to 8 hours without significantly lowering the percentage of mercury extracted. In fact, 64% of the mercury was extracted.2

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“…Содержание кальция обу-словливает вязкость геля, его структуру и способность поглощать воду. Поглощение воды ведет к повышению объема щелочно-силикатного гидрогеля, что, в свою очередь, способ-ствует появлению внутренних осмотических давлений, ведущих к расширению бетонных конструкций и образованию недопустимых трещин в бетоне [16][17][18].…”

Analysis of Using Different Raw Materials for Production of Granulated Foam Glass

Semeinykh¹,

Sopegin²

2017

PNRPU CA Bulletin

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Reuse of ground waste glass as aggregate for mortars

Cited by 210 publications

References 2 publications

Formulation of portland composite cement using waste glass as a supplementary cementitious material

Formulation of portland composite cement using waste glass as a supplementary cementitious material

Removal of mercury bonded in residual glass from spent fluorescent lamps

Analysis of Using Different Raw Materials for Production of Granulated Foam Glass

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