scholarly journals Sustainable Use of Recycled Glass Powder as Cement Replacement in Concrete

2020 ◽  
Vol 13 (1) ◽  
pp. 1-13 ◽  
Author(s):  
Nafisa Tamanna ◽  
Rabin Tuladhar
Keyword(s):  
Fly Ash ◽  
Glass Powder ◽  
Relative Strength ◽  
Recycling Process ◽  
Glass Waste ◽  
Standard Requirement ◽  
Cement Replacement ◽  
Recycled Glass ◽  
Durability Properties ◽  
Strength And Durability

Aims: This paper introduces a sustainable way of using Recycled Glass Powder (RGP) as a cement replacement in concrete. Background: In Australia, almost one million tons of glass waste is collected annually for recycling purpose. However, the inconsistency in chemical composition and the presence of impurities make glass recycling process difficult. Besides, the lack of local recycling plants coupled with high transportation costs makes the recycling process expensive. Objective: For the successful use of recycled glass in concrete for industrial applications, it is therefore, important to characterize the physical and chemical properties of recycled glass collected by the local councils. Furthermore, the effects of replacement levels of cement with recycled glass on the strength and durability properties of concrete need to be assessed as well. Methods: Mechanical strength and durability properties of concrete with 10%, 20% and 30% of RGP as a partial cement replacement were tested and compared with typical concrete and fly ash blend concrete. The relative strength test of mortar was conducted to assess the reactivity of glass powder with the cement. Results: RGP concrete showed an improvement in strength over time like fly ash. Using RGP significantly improved the resistance against chloride penetration with increasing glass powder content. Furthermore, RGP also met the relative strength requirement as per Australian Standard requirement to be considered as a supplementary cementitious material. Conclusion: This research showed that the use of RGP as cement replacement is feasible for replacement level up to 10%. The outcome of this research aims to contribute towards sustainable development by reducing the consumption of cement, as well as reduction of glass waste going into landfill.

scholarly journals Kuat Tekan Beton Mutu Tinggi dengan Memanfaatkan Fly Ash dan Bubuk Kaca Sebagai Bahan Pengisi

2020 ◽  
Vol 20 (01) ◽  
pp. 61-68
Author(s):  
Siska Apriwelni ◽  
Nugraha Bintang Wirawan
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Glass Powder ◽  
Concrete Mixture ◽  
Strength Testing ◽  
Concrete Compressive Strength ◽  
High Quality ◽  
Glass Waste ◽  
Powder Addition ◽  
Compressive Strength Of Concrete

(ID) Penelitian ini membahas pengaruh kuat tekan beton mutu tinggi dengan memanfaatkan limbah fly ash dan limbah kaca. Tujuan dari penelitian ini untuk mengetahui kuat tekan beton pada masing-masing variasi, mengetahui persentase campuran beton untuk menghasilkan kuat tekan maksimum, dan mengetahui apakah fly ash dan serbuk kaca efektif digunakan secara bersamaan sebagai bahan campuran beton. Komposisi fly ash terdiri dari 5 variasi yaitu persentase 0%, 5%, 10%, 15%, dan 20%. Sedangkan untuk komposisi serbuk kaca terdiri dari 2 variasi yaitu persentase 5% dan 10%. Jumlah benda uji 30 buah silinder berukuran diameter 15 cm dan tinggi 30 cm dengan 3 benda uji untuk setiap variasi. Perencanaan campuran beton menggunakan SNI 03-2834-2000 yang dimodifikasi. Pengujian kuat tekan diuji pada umur beton 28 hari. Beton dengan fly ash 0% dan serbuk kaca 10% memiliki kuat tekan paling tinggi dibandingkan dengan beton dengan tambahan fly ash, yaitu 46,77%. Selain itu, dapat disimpulkan bahwa semakin bertambahnya jumlah persentase serbuk kaca yang digunakan menunjukkan bahwa kuat tekan beton semakin bertambah juga. Penambahan fly ash pada campuran beton mempengaruhi kuat tekan beton yang dihasilkan. Pada variasi fly ash 0% memiliki kuat tekan tertinggi baik pada saat campuran serbuk kaca 5%dan 10%. Variasi fly ash 15% adalah kondisi optimum campuran beton dengan kuat tekan beton yaitu 43,31 Mpa. Kedua limbah ini dapat dikombinasikan dan dimanfaatkan dengan baik dan digunakan dalam pembuatan beton mutu tinggi. (EN) This study discusses the effect of high quality concrete by utilizing fly ash and glass waste. The purpose of this study is to determine the compressive strength of concrete in each variation, to determine the contribution of concrete to produce compressive strength, and to find out that fly ash and glass powder are effectively used in full as a concrete admixture. Fly ash composition consists of 5 variations, namely the percentage of 0%, 5%, 10%, 15%, and 20%. While for the composition of glass powder consists of 2 variations, namely the percentage of 5% and 10%. The number of specimens is 30 cylinders with a diameter of 15 cm and a height of 30 cm with 3 specimens for each variation. Concrete mixture planning using SNI 03-2834-2000 was developed. Compressive strength testing on concrete age 28 days. Concrete with 0% fly ash and 10% glass powder have the highest compressive strength compared to concrete with additional fly ash, which is 46.77%. In addition, it can increase the amount of glass powder addition that is used to show the concrete compressive strength is increasing as well. The addition of fly ash in the concrete mixture has an effect on the compressive strength of the concrete produced. In the variation of 0% fly ash has the highest compressive strength when the glass powder mixture of 5% and 10%. The 15% fly ash variation is the optimal concrete mixture with compressive strength of 43.31 MPa. These two wastes can be combined and utilized properly and are used in making high quality concrete.  

STRENGTH OF CONCRETE MORTAR PREPARED BY PARTIAL SUBSTITUTION OF CEMENT WITH RECYCLED GLASS POWDER

2021 ◽  
Vol 8 (1) ◽  
Author(s):  
Pranshoo Solanki ◽  
Harsh Chauhan
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Crucial Role ◽  
Glass Powder ◽  
Partial Substitution ◽  
Recycled Glass ◽  
Mortar Strength ◽  
Waste Glass Powder ◽  
Flowable Fill

This experiment was conducted to determine the utility of substituting cement with the recycled glass powder (RGP) in mortar mixtures. A total of 21 mortar mixtures were produced using various RGP (FG) ratios (CG), and fly ash (FA) powders. The mortar mixtures were used to prepare cubes which were tested for 7-and 28-day compressive strength. The substitution of cement with FG and CG in mortar resulted in reduced 7-and 28-day compressive strength values. However, the amount and type of RGP substituted for cement plays a crucial role in the determination of mortar strength. Above contraction in compressive strength was observed at an initial maturity than at the final maturity. Further, replacement of cement with Fly Ash showed increase in compressive strength up to certain content. More research and testing for the optimal percentage and size of waste glass powder that can be used is required in flowable fill.

Mechanical performance of engineered cementitious composites incorporating recycled glass powder

2020 ◽  
Vol 47 (12) ◽  
pp. 1311-1319 ◽  
Author(s):  
Adeyemi Adesina ◽  
Sreekanta Das
Keyword(s):  
Fly Ash ◽  
Power Plants ◽  
Glass Powder ◽  
Mechanical Performance ◽  
Partial Replacement ◽  
Cementitious Composite ◽  
Engineered Cementitious Composite ◽  
Recycled Glass ◽  
Alternative Materials ◽  
Coal Power Plants

Engineered cementitious composite (ECC) is conventionally made up of high content fly ash (FA) combined with Portland cement (PC) as a binder. However, the growing call for sustainability is leading to continuous decommissioning of various coal power plants around the world thereby limiting the supply of fly ash available for ECC production. Therefore, it is of high importance to find alternative materials that can be incorporated into ECC as a partial replacement of the conventional binders. This experimental investigation was carried out to investigate the feasibility of incorporating glass powder (GP) as binder into ECC mixtures. The mechanical performance in terms of its compressive, tensile, and flexural properties was evaluated. Results from this study showed that 25% FA can be replaced with GP without any significant reduction in the mechanical performance of ECC mixtures. Microstructural investigations of the mixtures incorporating GP show good bonding between the cementitious matrix and the fibres.

EFFECT OF MIX PROPORTIONS ON THE PROPERTIES OF CLSM CONTAINING RECYCLED GLASS

2020 ◽  
Vol 7 (1) ◽  
Author(s):  
Pranshoo Solanki
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Moisture Content ◽  
Glass Powder ◽  
High Volume ◽  
Glass Content ◽  
Recycled Glass ◽  
Powder Density ◽  
Low Strength ◽  
Commercial Applications

This research examined the effect of mix proportions namely, water to cementitious (w/c) ratio and glass content, on the flowability and compressive strength of controlled low-strength (CLSM) mixtures. A total of 20 mixes containing different proportions of cement, sand, class C fly ash, coarser glass, finer glass and water were prepared and tested. Results showed that both flowability and strength are dependent on w/c ratio and type and percent of glass content. Strength of mixes containing high volume of coarser glass was found more sensitive towards w/c ratio. Further strength was found to improve with increase in finer portion of the glass powder. Density was also found to correlate well with the moisture content of CLSM specimens. Specimens with lower moisture content produced denser CLSM structure. The results of this study would be useful in establishing mix proportions for CLSM incorporating recycled glass, fly ash, sand and cement for commercial applications

scholarly journals Comparison of strength and durability characteristics of a geopolymer produced from fly ash, ground glass fiber and glass powder

2017 ◽  
Vol 67 (328) ◽  
pp. 136 ◽  
Author(s):  
H. Rashidian-Dezfouli ◽  
P. R. Rangaraju
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Portland Cement ◽  
Glass Fiber ◽  
Glass Powder ◽  
Silica Content ◽  
Ground Glass ◽  
Alkali Silica Reaction ◽  
Strength And Durability ◽  
Cement Mixtures

Strength and durability characteristics of geopolymers produced using three precursors, consisting of fly ash, Ground Glass Fiber (GGF), and glass-powder were studied. Combinations of sodium hydroxide and sodium silicate were used as the activator solutions, and the effect of different sodium and silica content of the activators on the workability and compressive strength of geopolymers was investigated. The parameters used in this study were the mass ratio of Na2O-to-binder (for sodium content), and SiO2-to-Na2O of the activator (for silica content). Geopolymer mixtures that achieved the highest compressive strength from each precursor were assessed for their resistance to alkali-silica reaction and compared against the performance of portland cement mixtures. Test results revealed that GGF and fly ash-based geopolymers performed better than glass-powder-based geopolymer mixtures. The resistance of GGF-based and fly ash-based geopolymers to alkali-silica reaction was superior to that of portland cement mixtures, while glass-powder-based geopolymer showed inferior performance.

scholarly journals PROPERTIES OF CEMENT-FLY ASH MIXTURES WITH SUBSTANDARD FLY ASH AS A PARTIAL CEMENT AND FINE AGGREGATE REPLACEMENT

2021 ◽  
Vol 11 (3) ◽  
pp. 71-88
Author(s):  
Piseth Pok ◽  
Parnthep Julnipitawong ◽  
Somnuk Tangtermsirikul
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Sodium Sulfate ◽  
Chloride Penetration ◽  
The Other ◽  
Fine Aggregate ◽  
Carbonation Depth ◽  
Cement Replacement ◽  
Durability Properties ◽  
Compressive Strength Of Concrete

This research investigated the effects of using a substandard fly ash as a partial cement and/or fine aggregate replacement on the basic and durability properties of cement-fly mixtures. Experimental results showed that utilizing the substandard fly ash led to increase in water requirement and autoclave expansion of pastes. The strength activity indexes of the substandard fly ash passed the requirements of TIS 2135 and ASTM C618. Utilization of the substandard fly ash as cement replacement led to higher expansion of mortar bars stored in water and sodium sulfate expansion as compared to that of the OPC mixture. However, sodium sulfate resistance of mortar mixtures improved when utilizing the substandard fly ash as sand replacement material. The compressive strength of concrete at all ages was higher with the increase of the content of the substandard fly ash as sand replacement material. When the substandard fly ash was used as cement replacement material in concrete, the carbonation depth increased. On the other hand, the use of the substandard fly ash as sand replacement material decreased the carbonation depth of the concrete. Utilization of the substandard fly ash, both to replace cement and/or fine aggregate, reduced the rapid chloride penetration of the concrete.

scholarly journals Behavior of sustainable Reactive Powder Concrete by Using Glass Powder as a Replacement of Cement

2022 ◽  
Vol 961 (1) ◽  
pp. 012022
Author(s):  
Zainab Majid Mohammed
Keyword(s):  
Tensile Strength ◽  
Compressive Strength ◽  
Modulus Of Elasticity ◽  
Glass Powder ◽  
Ground Glass ◽  
Major Advance ◽  
Infrastructure Development ◽  
Glass Waste ◽  
Recycled Glass ◽  
Reactive Powder

Abstract Every year, the world produces one million tons of glass garbage. Once the glass has been broken down, it is dumped in landfills, where it will remain inert for hundreds of years. glass is mainly made of silica. For long-term infrastructure development, ground glass as a partial cement substitute may be a major advance (environmentally friendly, energy-saving, and economic). Secondary calcium silicate hydrate is expected to be produced when glass waste is crushed into microscopic particles and then reacts with cement hydrate through pozzolanic interactions (C-S-H). There were experiments done on concrete utilizing (0-35 per cent) ground glass and superplasticizer, silica fume, fine sand and fibres, with the water to binder (cement + glass) ratio maintained constant for all degrees of replacement on compressive strength, modulus of elasticity and tensile strength. Steel is a fixed quantity that applies to all conceivable configurations. Concrete cube samples were made and tested for strength (28 days curing). It was discovered that the recycled glass concrete outperformed control samples in compressive strength tests. Compressive strength, tensile strength, and modulus of elasticity are all greatest in the 25 per cent glass powder. It was decided that using recycled glass trash in place of 25 per cent of the cement was a good idea because of the economic and environmental advantages.

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