Compressive Strength Performance of Reactive Powder Concrete Using Different Types of Materials as a Partial Replacement of Fine Aggregate

Reactive Powder Concrete (RPC) can be incorporate as a one of the most important and progressive concrete technology. It is a special type of ultra-high strength concrete (UHSC) that’s exclude the coarse aggregate from its constitutive materials. In this research an experimental study had been carried out to investigate the effect of using three types of materials (porcelain aggregate) and others sustainable materials (glass waste and granular activated carbon) as a partial replacement of fine aggregate. Four percentages had considered (0, 10, 15 and 20) % to achieve better understanding for the influence of these materials upon the compressive strength of RPC. Four curing ages had included in this study, these are; 7, 28, 60 and 90 days. The outcomes of the experimental works improved that using porcelain aggregate as a partial replacement had an advanced effect on the compressive strength for all the adopted percentages and for all the studied curing ages. The maximum modification that’s obtained in case of porcelain aggregate was (24.14) % at age (90) days for 20% replacement. Using glass waste caused an increase in the overall values of the compressive strength for all the adopted replacements with less efficient than porcelain to reached (20.69) % at age (90) days for 20% replacement. Regarding the granular activated carbon, only (10%) replacement had a positive influence on the compressive strength to reached (13.16) % while the others caused a reduction in the compressive strength reached to (29.13)% for 20% replacement.

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Utilization of Cockle Shell (Anadara Granosa) as Partial Replacement of Fine Aggregates in Concrete

Al-Ard Jurnal Teknik Lingkungan ◽

10.29080/alard.v6i2.1193 ◽

2021 ◽

Vol 6 (2) ◽

pp. 96-103

Author(s):

Ranno Marlany Rachman ◽

Try Sugiyarto Soeparyanto ◽

Edward Ngii

Keyword(s):

Compressive Strength ◽

National Standard ◽

Partial Replacement ◽

Fine Aggregate ◽

Concrete Compressive Strength ◽

Concrete Technology ◽

Normal Concrete ◽

Fine Aggregates ◽

Blood Clam ◽

Anadara Granosa

This research aimed to utilize Anadara Granosa (Blood clam shell) clamshell waste as a new innovation in concrete technology and to investigate the effect of Anadara Granosa clamshell powder utilization as an aggregate substitution on the concrete compressive strength. The sample size was made of cylinders with a size of 10 cm x 20 cm with variations of clamshell powder 10%, 20% and 30% from the fine aggregate volume then soaked for 28 days as per the method of the Indonesian National Standard. The evaluation results exhibited that the slump value exceeded the slump value of normal concrete with a slump value of 0% = 160 mm, 10% = 165 mm, 20% = 180 mm and 30% = 180 mm. Additionally, it was found that the concrete compressive strength obtained post 28 days were 20.78 Mpa, 21.95 Mpa, 21.17 Mpa and 24.28 Mpa for normal concrete (0%), substitution concrete (10%), substitution concrete (20%) and substitution concrete (30%), respectively. Leading on from these results, it was concluded that the increment of Anadara Granosa clamshell powder substitution led to the increase of concrete compressive strength test.

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Influence of Partial Replacement of Micro-Silica by Fly-Ash on Strength Properties of Reactive Powder Concrete

International Journal of Engineering and Advanced Technology - Regular Issue ◽

10.35940/ijeat.c5453.029320 ◽

2020 ◽

Vol 9 (3) ◽

pp. 2932-2937

Keyword(s):

Tensile Strength ◽

Compressive Strength ◽

Fly Ash ◽

Mechanical Performance ◽

Cementitious Materials ◽

Partial Replacement ◽

Reactive Powder Concrete ◽

Experimental Investigations ◽

Reactive Powder ◽

Micro Silica

Reactive powder concrete (RPC) is the ultra-high strength concrete made by cementitious materials like silica fumes, cement etc. The coarse aggregates are completely replaced by quartz sand. Steel fibers which are optional are added to enhance the ductility. Market survey has shown that micro-silica is not so easily available and relatively costly. Therefore an attempt is made to experimentally investigate the reduction of micro-silica content by replacing it with fly-ash and mechanical properties of modified RPC are investigated. Experimental investigations show that compressive strength decreases gradually with addition of the fly ash. With 10 per cent replacement of micro silica, the flexural and tensile strength showed 40 and 46 per cent increase in the respective strength, though the decrease in the compressive strength was observed to be about 20 per cent. For further percentage of replacement, there was substantial drop in compressive, flexural as well as tensile strength. The experimental results thereby indicates that utilisation of fly-ash as a partial replacement to micro silica up to 10 per cent in RPC is feasible and shows quite acceptable mechanical performance with the advantage of utilisation of fly-ash in replacement of micro-silica.

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Study on Low-Cost Reactive Powder Concrete and its Application

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.405-406.62 ◽

2009 ◽

Vol 405-406 ◽

pp. 62-68

Author(s):

Ming Zhang ◽

Feng Xing ◽

Liang Peng Deng ◽

Zheng Liang Cao ◽

Zhan Huang

Keyword(s):

Compressive Strength ◽

Fly Ash ◽

Quartz Sand ◽

Large Scale ◽

Low Cost ◽

Reactive Powder Concrete ◽

Fine Aggregate ◽

Complex Procedure ◽

Reactive Powder ◽

Very High

Reactive powder concrete (RPC) is a new kind of material with very high mechanical behavior and durability, however, high cost and complex procedure to make RPC result in hardly apply to engineering in large scale. a new low-cost RPC that compressive strength exceeds 130MPa was prepared with the replacement of quartz sand, crushed quartz and partial of silica fume by fly ash, slag and natural fine aggregate in the paper. Manhole cover that made from the low-cost RPC can meets the requirements of different situations, such as special road, motorway, etc.

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Utilization of Rice Husk Ash in Reactive Powder Concrete

International Journal of Recent Technology and Engineering - 2 ◽

10.35940/ijrte.d1020.1284s219 ◽

2019 ◽

Vol 8 (4S2) ◽

pp. 82-86

Keyword(s):

Compressive Strength ◽

Silica Fume ◽

Rice Husk ◽

Rice Husk Ash ◽

Curing Temperature ◽

Partial Replacement ◽

High Price ◽

Reactive Powder Concrete ◽

Durability Properties ◽

Reactive Powder

Reactive Powder Concrete (RPC) is a special concrete with excellent mechanical and durability properties and it is differentiated with other forms of concrete in terms of production, mix proportion etc. Depending upon various parameters like composition and the curing temperature, its compressive strength ranges from 130 MPa to 750 MPa, bending strength varies as 29 to 51 MPa and Young's modulus results upto 50GPa to 75GPa.Though RPC possesses many outstanding properties, it has limited applications in the construction field. The usage of higher quantity of cement and Silica Fume causes the rise of production of RPC. In addition to that, the silica fume availability is also restricted. For a country like India, usage of SF is limited due to its high price. Also, mineral admixtures can be used as a suitable alternative. Hence in this research work, Rice Husk Ash (RHA) is used as a possible alternatives for replacing silica fume in RPC. RHA holds maximum amount of silica (approx. 96%) in amorphous form. In this research, an experimental research on mechanical and durability properties of RPC by partially replacing SF with RHA. The detailed literature survey on constituent materials, mix proportions and curing conditions of RPC were done. Also, the optimum temperature and duration for the thermal treatment of RHA were identified. The compressive strength of the specimens of partial replacement of Silica Fume using RHA were tested and the results were compared with control specimens compressive strength.

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Strength optimization of reactive powder concrete

Revista IBRACON de Estruturas e Materiais ◽

10.1590/s1983-41952020000500007 ◽

2020 ◽

Vol 13 (5) ◽

Author(s):

Abrahão Bernardo Rohden ◽

Ana Paula Kirchheim ◽

Denise Dal Molin

Keyword(s):

Compressive Strength ◽

Aggregate Size ◽

Reactive Powder Concrete ◽

Maximum Aggregate Size ◽

Second Phase ◽

Fine Aggregate ◽

Inorganic Pigments ◽

Concrete Mix Design ◽

Fine Quartz ◽

Reactive Powder

abstract: Recent reports on reactive powder concrete address important aspects regarding its performance. Several techniques are used to improve the design of such concretes. Ultra-high compressive strengths have been reported with the application of pre-setting pressure and autoclave curing. The objective of this work is to evaluate the use of very fine quartz powder to replace fine aggregate, nanosilica, and inorganic pigments to optimize mechanical properties of reactive powder concrete. The experimental work was developed in three distinct phases. In the first phase, mix-proportions of reactive powder concrete have been developed, considering different maximum aggregate sizes (1.2, 0.6, 0.075, and 0.045 mm). In the second phase, the influence of nanosilica on the properties of reactive powder concrete was evaluated. In the third phase, the effect of the addition of yellow, green, orange, and blue inorganic pigments to the reactive powder concrete mix-design was evaluated. Results show that the maximum aggregate size influences the compressive strength of the reactive powder concrete. A decrease from 1.2 mm to 0.045 mm in the maximum aggregate size resulted in 156 MPa increase in the compressive strength. The type of pigment did not significantly influence the compressive strength of the reactive powder concrete. The mix-proportion that resulted in the highest compressive strength (310.7 MPa) was designed using yellow pigment.

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PEMANFAATAN ABU VULKANIK GUNUNG KELUD SEBAGAI PENGGANTI SEBAGIAN AGREGAT HALUS PADA BETON NORMAL SEBAGAI PENDUKUNG BAHAN AJAR MATA KULIAH TEKNOLOGI BETON (PADA MAHASISWA PTB, JPTK, UNS)

Indonesian Journal Of Civil Engineering Education ◽

10.20961/ijcee.v1i1.16898 ◽

2015 ◽

Vol 1 (1) ◽

Author(s):

Abdul Rohman Anshory ◽

Sri Sumarni ◽

Roemintoyo Roemintoyo

Keyword(s):

Compressive Strength ◽

Volcanic Ash ◽

Experimental Studies ◽

Analytical Techniques ◽

Partial Replacement ◽

Teaching Material ◽

Normal Density ◽

Fine Aggregate ◽

Font Size ◽

Concrete Technology

The purpose of this study was to determine (1) Effect of volcanic ash in partial replacement of the total fine aggregate of compressive strength and the density of the concrete, (2) resistance to the optimal compression of the concrete (3) optimum density concrete. (4) The teaching material obtained in the course of concrete technology on the effect of volcanic ash on the compressive strength of concrete and normal density. Experimental studies using methods and analytical techniques using a quantitative analysis of regression. Variables in the study were (1) the dependent variable: the strength of concrete in compression and the density of concrete, (2) independent variables: the variation of 0%, 10%, 15%, 20% and 25% Volcanic ash from the total weight of the sand. The sampel is in the form of a cylinder with a diameter of 150 mm and a height of 300 mm. Based on the results of the study concluded that (1) changes in volcanic ash as a partial replacement of the fine aggregate strong overall influence on the compressive strength and density of concrete, (2) the optimal value of compressive strength and the weight of each type of concrete which is the variation of volcanic ash 8,36% amounted to 23,231 MPa, 11,889% to 22,919 MPa, (3) the value of the optimal concrete mixture as a whole, to namely the variation of volcanic ash 11,889% (4) in the form of teaching material to supplement teaching materials using Kelud volcanic ash as a partial replacement of fine aggregate on in terms of compressive strength concrete and density.Key words: normal concrete, volcanic ash, compressive strength, density<br style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" />

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PENGARUH UKURAN BUTIRAN MAKSIMUM TERHADAP KUAT TEKAN REACTIVE POWDER CONCRETE

Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan ◽

10.24912/jmstkik.v3i1.5193 ◽

2019 ◽

Vol 3 (1) ◽

pp. 161

Author(s):

Arianti Sutandi ◽

Widodo Kushartomo

Keyword(s):

Compressive Strength ◽

Aggregate Size ◽

Maximum Size ◽

Dominant Factor ◽

Maximum Diameter ◽

Reactive Powder Concrete ◽

Fine Aggregate ◽

Steam Curing ◽

Aggregate Gradation ◽

Reactive Powder

Kuat tekan beton merupakan faktor yang paling dominan untuk menentukan kualitas beton dibandingkan faktor lainnya. Kuat tekan beton atau mutu beton dipengaruhi oleh beberapa faktor diantaranya adalah perbandingan semen terhadap air (fa/s), kualitas material, perbandingan komposisi material dan sebagainya. Gradasi butiran agregat juga merupakan salah satu faktor yang berperan penting untuk menentukan mutu beton. Agregat dengan ukuran butiran yang lebih halus dan bervariasi dapat memperkecil volume pori yang terbentuk, sehingga susunan butiran yang baik akan menghasilkan kepadatan tinggi dan porositas minimum. Pada penelitian ini dipelajarai pengaruh ukuran butiran maksimum agregat halus terhadap kuat tekan reactive powder concrete. Benda uji dibuat dalam bentuk silinder dengan diameter 100,0 mm dan tinggi 200,0 mm. Ukuran diameter maksimum agergat halus dibuat dalam tiga jenis yaitu 300 µm. 425 µm, dan 600 µm. Seluruh benda uji dirawat dengan teknik perendaman selama 3 hari, dilanjutkan dengan steam curing pada temperature 90 oC – 95 oC selama 4 jam. Pengujian kuat tekan dilakukan pada umur 7 hari. Hasil pengujian menunjukkan terjadinya peningkatan kuat tekan recative powder concrete dengan bertambah kecilnya ukuran butiran maksimum agregat halus. The compressive strength of concrete is the most dominant factor to determine concrete quality compared to other factors. Concrete compressive strength and grade are influenced by several factors, including water cement ratio (fa/s), material quality, material composition, and others. Aggregate gradation is also one of the dominant factors that play an important role in determining the quality of concrete. Finer and varied aggregate size can reduce void volume, so that a good granular structure will produce high density and minimum porosity. In this research, the effect of maximum size of fine aggregate on the compressive strength of reactive powder concrete was studied. The specimens were made in cylindrical shapes with a diameter of 100.0 mm and a height of 200.0 mm. The maximum diameter size of fine agergate was varied in three types, 300 µm. 425 µm, and 600 µm. All specimens were treated with immersion technique for 3 days, followed by steam curing at 90 oC - 95 oC for 4 hours. Compressive strength testing was done at the age of 7 days. The test results showed that the increase of maximum fine aggregate size increase the compressive strength of reactive powder concrete.

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SOME PROPERTIES OF REACTIVE POWDER CONCRETE MADE WITH RECYCLED AGGREGATE

Proceedings of International Structural Engineering and Construction ◽

10.14455/isec.res.2019.156 ◽

2019 ◽

Vol 6 (1) ◽

Author(s):

Shatha Hasan

Keyword(s):

Tensile Strength ◽

Strength Properties ◽

Recycled Aggregate ◽

Silica Sand ◽

Recycled Aggregates ◽

Partial Replacement ◽

Reactive Powder Concrete ◽

Fine Aggregate ◽

Recycled Fine Aggregate ◽

Reactive Powder

An experimental study was carried out to investigate, the strength properties, of recycled aggregates for use in reactive powder concrete (RPC), to better understand the properties of reactive powder concrete with recycled aggregates used as a substitution material for normal sand in reactive powder concrete. The effects of variable parameters on these properties were carefully studied which are the percent of recycled fine aggregate (0%, 25%, 50%, and 75%) as a partial replacement by weight of normal sand, recycled fine aggregate (50%) as a partial replacement by weight of glass sand, and two different curing (20, 90 °C). The inclusion of using reactive silica sand powder leads to a considerable increment in both compressive and tensile strength for recycled reactive powder concrete (RRPC) and the heat treatment improves the properties of the RPC and RRPC considerably. Finally, the results indicated that it is possible to produce reactive powder concrete from recycled aggregate depending on the strength, the results show to suggest only a gradual lowering in compressive and splitting tensile strength.

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Use of Thermostone Waste Aggregates for Internal Curing of Reactive Powder Concrete

IOP Conference Series Earth and Environmental Science ◽

10.1088/1755-1315/877/1/012043 ◽

2021 ◽

Vol 877 (1) ◽

pp. 012043

Author(s):

Mena A. Gawad ◽

Nada M. Fawzi

Keyword(s):

Mechanical Properties ◽

Compressive Strength ◽

High Strength ◽

Concrete Surface ◽

Internal Curing ◽

Modulus Of Rupture ◽

Partial Replacement ◽

Reactive Powder Concrete ◽

Curing Methods ◽

Reactive Powder

Abstract The concrete need curing for cement hydration that is a chemical reaction in each step require water supply throughout the time period. The traditional concrete cured by external method that prevents the concrete surface dry so that keeping the concrete mixture wet and warm. The internal curing was adopted in normal and high strength concrete such as reactive powder concrete. In present paper, experimental approach is to study the mechanical properties of reactive powder concrete cured internally with thermostone material. The materials that adopted to evaluate and find out the influences of the internal curing on the mechanical properties of reactive powder concrete is focused with different curing methods such as in water, air and combined water and air. Thermostone aggregate are used as partial sand replacement by volume with different percentages to explore the percentage that effects of the concrete mechanical properties. Test results showed that the best partial replacement by thermostone is 5% gave enhancement and increase in compressive strength and flexural resistance strength (modulus of rupture) and concrete density. Highest increasing of compressive strength is 10.07in case of 5% partial replacement at 90 days. In case of cured the specimens up to 90 days, the increase in modulus of rupture is 4.53%

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Study on Preparation Technique for Low-Cost Green Reactive Powder Concrete

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.302-303.405 ◽

2006 ◽

Vol 302-303 ◽

pp. 405-410 ◽

Cited By ~ 3

Author(s):

Feng Xing ◽

Li Dong Huang ◽

Zheng Liang Cao ◽

Liang Peng Deng

Keyword(s):

Compressive Strength ◽

Steel Fiber ◽

Low Cost ◽

Mineral Admixtures ◽

Reactive Powder Concrete ◽

Fine Aggregate ◽

Preparation Technique ◽

Quartz Powder ◽

Reactive Powder ◽

Preparation Techniques

Based on experiments, the effect of various types and content of mineral admixtures and steel fiber on flexural strength and compressive strength of reactive powder concrete (RPC) have been studied. The low-cost green RPC is made with the replacement of quartz sand, quartz powder and partial silica fume by natural fine aggregate and fly ash. The preparation techniques of RPC was also improved.

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