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Journal articles on the topic 'Replacement for Cement in Concrete'

Author: Grafiati

Published: 11 September 2023

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1

Folagbade, Samuel Olufemi. "Initial Surface Absorption of Cement Combination Concrete." Civil Engineering Dimension 20, no. 2 (2018): 96. http://dx.doi.org/10.9744/ced.20.2.96-101.

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This paper investigated the initial surface absorption (ISAT) of concrete using Portland cement (PC) and some binary and ternary cement combinations containing fly ash (FA), silica fume (SF) and metakaolin (MK) as partial replacements for PC at equal water/ cement ratios and strengths. At equal water/cement ratios, the cement combination concretes have higher ISAT values than PC concrete at 28 days and the disparity reduced with increasing curing age due to improved pozzolanic reactivity of the supplementary cementitious materials. SF and MK as binary and ternary cement components performed be

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2

Al-Swaidani, A. M. "Production of more durable and sustainable concretes using volcanic scoria as cement replacement." Materiales de Construcción 67, no. 326 (2017): 118. http://dx.doi.org/10.3989/mc.2017.00716.

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The objective of the study is to investigate strength and durability-related properties of volcanic scoria-based cements. Compressive and tensile strength development of mortars and concretes containing volcanic scoria with replacement levels ranging from 10 to 35% was investigated. Water permeability, chloride penetrability and porosity of concretes cured for 2, 7, 28, 90 and 180 days were also examined. Results revealed that volcanic scoria could be suitable for making blended cements. The strength of mortar/concrete containing volcanic scoria was lower than that of plain cement mortar/concr

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Anwar, Faiz Habib, Hilal El-Hassan, Mohamed Hamouda, Gilbert Hinge, and Kim Hung Mo. "Meta-Analysis of the Performance of Pervious Concrete with Cement and Aggregate Replacements." Buildings 12, no. 4 (2022): 461. http://dx.doi.org/10.3390/buildings12040461.

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In recent years, pervious concrete (PC) has gained much attention as one of the strategies for low-impact development (LID) in pavements due to its structural, economic, and road-user benefits. This study sought to review and evaluate changes in the mechanical, hydraulic, and durability performance of PC produced with cement and aggregate replacements. A meta-analysis was conducted to elucidate the feasible range of the replacement percentage and the number of materials that could be used to replace cement and aggregates; single or binary replacements were considered. Results indicated that ce

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Bunyamin, Bunyamin, and Amir Mukhlis. "Utilization of Oyster Shells as a Substitute Part of Cement and Fine Aggregate in the Compressive Strength of Concrete." Aceh International Journal of Science and Technology 9, no. 3 (2020): 150–56. http://dx.doi.org/10.13170/aijst.9.3.17761.

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The compressive strength of concrete depends on the physical characteristics of the concrete forming materials. Oyster shells originating from Krueng Neng, Aceh Besar are very abundant, left unattended by fishermen, causing pollution of the surrounding environment. Oyster shell dust contains CaO, which can be used as a partial substitution of cement. Therefore, it is necessary to study oyster shell ash as cement replacement and fine aggregate in concrete production. This research aims to determine the compressive strength of concrete using shell ash as cement replacement and fine aggregate. Th

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Murugesh, V., Dr N. Balasundaram, and Dr T. Senthil Vadivel. "Experimental Studies on Durability Studies of Concrete with Partial Replacement of Cement by Water Hyacinth Ash." International Journal of Engineering & Technology 7, no. 3.35 (2018): 22. http://dx.doi.org/10.14419/ijet.v7i3.35.29140.

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Cement is the main constituent ingredient in concrete. Now days many investigations undergone for substitute of cement due to green houses effect and global warming .Many new products like rice husk ash, egg shell powder, baggage ash, etc are used as an effluent replacement material for cement. The new and Practical material for substitute of cement is water hyacinth ash .Water hyacinth ash (WHA), is used as an effectual replacement of partial cement, and it has been proved in several characteristics of concrete. The main important parameters in concrete are strength, durability and workabilit

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Qadri, Muhammad Ahmed, Huzaifah Hameed, and Osama Bhutta. "Fresh and Hardened Properties of Styrene Butadiene Rubber (SBR) Modified Concrete." European Journal of Engineering Research and Science 5, no. 4 (2020): 457–61. http://dx.doi.org/10.24018/ejers.2020.5.4.1883.

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The durability of concrete has been studied ever since it was first used. Researchers have incorporated several materials to make concrete strong and durable. This research focuses on the infusion of styrene butadiene rubber polymer (SBR) as a partial replacement of cement and studies its effects on fresh and hardened properties of concrete. Samples were prepared using partial replacement of SBR in proportions of 0%, 5%, 10% and 20%. Results showed that the fresh density of concrete decreased with the addition of SBR whereas the trends of workability showed an increase with cement replacement.

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Qadri, Muhammad Ahmed, Huzaifah Hameed, and Osama Bhutta. "Fresh and Hardened Properties of Styrene Butadiene Rubber (SBR) Modified Concrete." European Journal of Engineering and Technology Research 5, no. 4 (2020): 457–61. http://dx.doi.org/10.24018/ejeng.2020.5.4.1883.

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The durability of concrete has been studied ever since it was first used. Researchers have incorporated several materials to make concrete strong and durable. This research focuses on the infusion of styrene butadiene rubber polymer (SBR) as a partial replacement of cement and studies its effects on fresh and hardened properties of concrete. Samples were prepared using partial replacement of SBR in proportions of 0%, 5%, 10% and 20%. Results showed that the fresh density of concrete decreased with the addition of SBR whereas the trends of workability showed an increase with cement replacement.

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8

Noor Azline, M. N., Farah Nora Aznieta Abd Aziz, and Arafa Suleiman Juma. "Effect of Ground Granulated Blast Furnace Slag on Compressive Strength of POFA Blended Concrete." Applied Mechanics and Materials 802 (October 2015): 142–48. http://dx.doi.org/10.4028/www.scientific.net/amm.802.142.

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The article reports a laboratory experimental programme that investigated effect of ground granulated blast furnace (GGBS) on compressive strength of POFA ternary concrete. Compressive strength tests were performed at a range of cements combinations, including 100%PC, two POFA levels for binary concrete, 35% and 45%, and 15%GGBS inclusion for POFA ternary concrete. The compressive strength results were examined in comparison to PC only and equivalent POFA binary concretes for up to 28 days. Results show that the reduction in compressive strength is greater with the higher cement replacement le

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9

V. Sri Ramya Lekhini and Janardhan G. "Mechanical Properties on Self - Compacting Concrete Replacement with Fly Ash, Silica Fume in Cement and Addition with Fibres." International Journal for Modern Trends in Science and Technology 7, no. 03 (2021): 26–34. http://dx.doi.org/10.46501/ijmtst0703005.

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Self-compacting concrete has high workability and flow ability than normal compacted concrete. With its segregation resistance and fluidity, it offers a solution to problems in construction field like lack of skilled labour, inadequate compaction, over compaction, segregation etc. This study includes designing a self-compacting concrete mix which is standardized using its fresh properties with respect to EFNARC (European Federation of National Associations Representing for Concrete)standards. In this study, fly ash is used as partial replacement for cement in concrete. The mix design for M30 g

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10

Kalinowska-Wichrowska, Katarzyna, Edyta Pawluczuk, Michał Bołtryk, Jose Ramón Jimenez, Jose Maria Fernandez-Rodriguez, and David Suescum Morales. "The Performance of Concrete Made with Secondary Products—Recycled Coarse Aggregates, Recycled Cement Mortar, and Fly Ash–Slag Mix." Materials 15, no. 4 (2022): 1438. http://dx.doi.org/10.3390/ma15041438.

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The properties of cement concrete using waste materials—namely, recycled cement mortar, fly ash–slag, and recycled concrete aggregate—are presented. A treatment process for waste materials is proposed. Two research experiments were conducted. In the first, concretes were made with fly ash–slag mix (FAS) and recycled cement mortar (RCM) as additions. The most favorable content of the concrete additive in the form of RCM and FAS was determined experimentally, and their influence on the physical and mechanical properties of concrete was established. For this purpose, 10 test series were carried o

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11

Sidabutar, Ros Anita, Johan Oberlyn Simanjuntak, and Josua Marganda Simangunsong. "Pengaruh Penambahan Serat Ijuk Terhadap Kuat Tekan Beton." Jurnal Visi Eksakta 3, no. 1 (2022): 51–58. http://dx.doi.org/10.51622/eksakta.v3i1.570.

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Concrete is one of the construction materials consisting of a mixture of coarse aggregate and fine aggregate as a filling material, as well as cement and water as a binder. With the addition of fiber as a partial replacement of cement to obtain a cheaper cost, for simple buildings. With partial replacement of cement with fiber in normal concrete, which aims to determine the effect of partial replacement of cement with fiber against the compressive strength of concrete. By comparing the length variation of fibers which are respectively 4 cm, 6 cm, 8 cm and fibers taken 2% of the weight of ceme

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12

Oyedepo, Olugbenga Joseph, Lekan Makanju Olanitori, and Sumbo Philip Akande. "Performance of coconut shell ash and palm kernel shell ash as partial replacement for cement in concrete." Journal of Building Materials and Structures 2, no. 1 (2015): 18–24. http://dx.doi.org/10.34118/jbms.v2i1.16.

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High cost of cement used as binder in the production of concrete has led to a search for alternative. Using a mix design ratio of 1:2:4 and water binder ratio of 0.63, concrete cubes were casted using varying ordinary Portland cement (OPC): palm kernel shell ash (PKSA) and ordinary Portland cement (OPC): coconut shell ash (CSA) ratios of 100:0, 90:10, 80:20, 70:30 , 60:40 and 50:50 respectively. This research reveal that partial replacement of cement with 20% PKSA and CSA in concrete gives an average optimum compressive strength of 15.4 N/mm2 and 17.26 N/mm2 respectively at 28 days. While, the

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13

Pavlů, Tereza, Vladimír Kočí, and Magdaléna Šefflová. "Study Replacement of Cement with Recycled Cement Powder and the Environmental Assessment." Solid State Phenomena 249 (April 2016): 136–41. http://dx.doi.org/10.4028/www.scientific.net/ssp.249.136.

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This investigation is focused on possibility of partial cement replacement in concrete mixture and its environmental assessment. The cement in concrete mixture is replaced by recycled cement powder from modified construction and demolition (C&D) waste. Recycled cement powder were prepared in laboratory from C&D waste of high quality road concrete. The main goal of this investigation is optimize amount of recycled cement powder used as partial replacement of cement in concrete mixture according to mechanical, deformation and physical properties of concrete and environmental impact. The

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14

Kamau, Jhon, Ash Ahmed, Paul Hirst, and Joseph Kangwa. "Performance of Class F Pulverised Fuel Ash and Ground Granulated Blast Furnace Slag in Ternary Concrete Mixes." European Journal of Engineering Research and Science 2, no. 6 (2017): 36. http://dx.doi.org/10.24018/ejers.2017.2.6.363.

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Cement is the most utilised material after water, and the processes that are involved in making it are energy intensive, contributing to about 7% of the total global anthropogenic carbon dioxide (CO2). Energy efficiency can however be achieved by using Supplementary Cementitious Materials (SCMs) such as Pulverised Fuel Ash (PFA) and Ground Granulated Blast Furnace Slag (GGBS) which demand less process heating and emit fewer levels of CO2. This work examined the advantages of substituting cement using PFA and GGBS in ternary (2 SCMs) concrete at steps of 0%, 5%, 7.5%, 10%, 15%, 20%, 25%, and 30

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Kamau, Jhon, Ash Ahmed, Paul Hirst, and Joseph Kangwa. "Performance of Class F Pulverised Fuel Ash and Ground Granulated Blast Furnace Slag in Ternary Concrete Mixes." European Journal of Engineering and Technology Research 2, no. 6 (2017): 36–41. http://dx.doi.org/10.24018/ejeng.2017.2.6.363.

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Cement is the most utilised material after water, and the processes that are involved in making it are energy intensive, contributing to about 7% of the total global anthropogenic carbon dioxide (CO2). Energy efficiency can however be achieved by using Supplementary Cementitious Materials (SCMs) such as Pulverised Fuel Ash (PFA) and Ground Granulated Blast Furnace Slag (GGBS) which demand less process heating and emit fewer levels of CO2. This work examined the advantages of substituting cement using PFA and GGBS in ternary (2 SCMs) concrete at steps of 0%, 5%, 7.5%, 10%, 15%, 20%, 25%, and 30

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16

Golewski, Grzegorz Ludwik. "Combined Effect of Coal Fly Ash (CFA) and Nanosilica (nS) on the Strength Parameters and Microstructural Properties of Eco-Friendly Concrete." Energies 16, no. 1 (2022): 452. http://dx.doi.org/10.3390/en16010452.

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Disposal of the coal fly ash (CFA) generated from thermal power plants in huge quantities is one of the major concerns for the industry, as well as the natural environment. On the other hand, CFA can be used within a certain percentage range in the cement concrete mix as a replacement for cement. Nanomaterials can also be used to improve the properties of concrete. Therefore, this study investigated the effects of nanosilica (nS) on the mechanical parameters and microstructure of CFA cement concretes. This study utilized an nS content of 5%, along with three CFA contents, i.e., of 0, 15, and 2

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17

Chi, Mao Chieh, Jen Hao Chi, and Chung Hao Wu. "Effect of GGBFS on Compressive Strength and Durability of Concrete." Advanced Materials Research 1145 (March 2018): 22–26. http://dx.doi.org/10.4028/www.scientific.net/amr.1145.22.

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Facing the cement and concrete development process, reducing greenhouse gases and the consumption of natural resources has become an important issue. To reduce the cement content in concrete, the increased use of concrete combining large amounts of industrial by-products is expected. Ground granulated blast furnace slag (GGBFS) has been used as a supplementary cementitious material in ordinary Portland cement (OPC) concrete. In this study, GGBFS at different cement replacement ratios of 0%, 20%, 40%, and 60% by weight were used to produce concrete. Compressive strength test, water absorption,

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18

Al-Anbori, Zena K. Abbas, and Ahmed A. Ibrahim Al-Obaidi. "Some Mechanical Properties of Concrete by using Manufactured Blended Cement with Grinded Local Rocks." Journal of Engineering 22, no. 3 (2016): 1–21. http://dx.doi.org/10.31026/j.eng.2016.03.01.

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The use of blended cement in concrete provides economic, energy savings, and ecological benefits, and also provides. Improvement in the properties of materials incorporating blended cements. The major aim of this investigation is to develop blended cement technology using grinded local rocks . The research includes information on constituent materials, manufacturing processes and performance characteristics of blended cements made with replacement (10 and 20) % of grinded local rocks (limestone, quartzite and porcelinite) from cement. The main conclusion of this study was that all types

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19

Pavlů, Tereza, and Magdaléna Šefflová. "Non Destructive Testing of Concrete with Recycled Cement Powder." Applied Mechanics and Materials 825 (February 2016): 45–48. http://dx.doi.org/10.4028/www.scientific.net/amm.825.45.

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This study deals with determination of the physical properties of fine-aggregate concrete with partial replacement of cement in concrete mixture. Cement was replaced by recycled cement powder originating from construction and demolition waste. The main goal of this study is evaluation of the basic physical properties of the fine-aggregate concrete with partial cement replacement by recycled concrete powder such as density, water absorption capacity and capillary water absorption. The fine recycled concrete which was used as partial replacement of cement had the same grain size as cement. The r

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Folagbade, Samuel Olufemi, and Aluko Olawale. "Permeation Resistance of Sawdust Ash Blended Cement Laterized Concrete." Civil Engineering Dimension 21, no. 2 (2019): 76–83. http://dx.doi.org/10.9744/ced.21.2.76-83.

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This paper compared the initial surface absorption of conventional concrete and laterized concrete containing Portland cement (PC) and sawdust ash (SDA). Laterized concrete was produced at laterite contents of 15 and 30% as partial replacement for sand and SDA contents of 10 and 20% as partial replacement for PC. Compressive strengths at 28 days and initial surface absorption after 10 minutes (ISA-10) at 28, 60 and 90 days were determined at the water/cement ratios of 0.35, 0.50 and 0.65 and assessed at equal 28-day strengths of 25-35 N/mm2. At equal water/cement ratios, compressive strength r

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21

Alam, Jamshed. "Strength Determination of High Strength Concrete Blended with Copper Slag and Fly Ash." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (2021): 1198–203. http://dx.doi.org/10.22214/ijraset.2021.36515.

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An experimental analysis was conducted to study the effects of using copper slag as a fine aggregate (FA) and the effect of fly ash as partial replacement of cement on the properties high strength concrete. In this analysis total ten concrete mixtures were prepared, out of which five mixes containing different proportions of copper slag ranging from 0% (for the control mix) to 75% were prepared and remaining five mixes containing fly ash as partial replacement of cement ranging from 6% to 30% (all mixes contains 50% copper slag as sand replacements). Concrete matrix were tested for compressive

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Verma, Nitin, and Balwinder Singh. "Experimental analysis of basic mechanical properties of concrete upon replacement with silica fume and steel slag." IOP Conference Series: Earth and Environmental Science 889, no. 1 (2021): 012021. http://dx.doi.org/10.1088/1755-1315/889/1/012021.

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Abstract The prime aim in this paper is to find out the effect of Silica Fume and Steel Slag replacements for cement and fine aggregate respectively in the concrete matrix. The research included replacement of constant percentage of silica fume i.e. 10% with cement and varying percentages of steel slag replacements viz. 40%, 45%, 50% and 55% with fine aggregates. It was found from the experimental investigations that optimum results for strength in compression, flexure and split case for concrete were established on 10% of silica fume replacement for steel slag and 50% replacement of steel sla

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Al-Gahtani, Khalid, Ibrahim Alsulaihi, Mohamed Ali, and Mohamed Marzouk. "Production of green concrete using recycled waste aggregate and byproducts." Built Environment Project and Asset Management 7, no. 4 (2017): 413–25. http://dx.doi.org/10.1108/bepam-09-2016-0047.

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Purpose The purpose of this paper is to highlight the sustainability benefits of using demolition and industrial wastes as a replacement for aggregates and cement in traditional concrete mixes. Design/methodology/approach Crushed concrete from demolition sites served as a replacement for fine and coarse aggregate in some of the mixes at various ratios. In addition, ground granulated blast furnace slag, metakaolin, silica fume, and fly ash each served as a cement replacement for cement content in the mixes tested in this research at various rates. Compression strength tests, permeability, and t

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Rekha, K., and R. Thenmozhi. "Evaluation of Mechanical Properties of BAGcrete." Advanced Materials Research 984-985 (July 2014): 693–97. http://dx.doi.org/10.4028/www.scientific.net/amr.984-985.693.

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The usage of waste materials in making concrete gives a satisfactory solution to some of the problems related to waste management and environmental concerns. In the development of blended cements, some of the Agro wastes such as sugarcane bagasse ash, rice husk ash and wheat straw ash are used as pozzolanic materials. Few studies have been reported on the use of bagasse ash (BA) as partial cement replacement material. This research aims to study the physical and mechanical properties of hardened concrete prepared with bagasse ash as partial replacement material for cement are reported. The Por

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Oviedo, Ignacio, Mauricio Pradena, Óscar Link, and José T. Balbo. "Using Natural Pozzolans to Partially Replace Cement in Pervious Concretes: A Sustainable Alternative?" Sustainability 14, no. 21 (2022): 14122. http://dx.doi.org/10.3390/su142114122.

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Concrete is one of the most widely used construction materials all around the globe. Associated with urban expansion, concrete pavements increase the impermeable surfaces that affect the hydrological cycle and generate urban heat islands. Cement is one of the main components of concrete, and its production is one of the main sources of worldwide CO2 emissions. Pervious concrete with partial cement replacement represents a more sustainable alternative. In this paper, the use of natural pozzolans zeolite and pumicite, as partial cement replacement materials in pervious concrete mixtures, is anal

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Jatoi, Masroor Ali, Ghulam Shabir Solangi, Fahad Ali Shaikh, Sarosh Khan, and Shabir Ahmed. "Effect of Lakhra Fly Ash as Partial Replacement of Cement in Traditional Concrete." Mehran University Research Journal of Engineering and Technology 38, no. 4 (2019): 1045–56. http://dx.doi.org/10.22581/muet1982.1904.16.

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This study was aimed to determine the effect of LFA (Lakhra Fly Ash) as partial replacement of cement in concrete. To conduct this study, a total of 72 standard concrete cylinders were cast with 1:2:4 proportions at 0.5 water-binder ratios. Cement was partially replaced by weight with LFA and the percentage replacements of FA (Fly Ash) were kept as 0, 5, 15, 25, 40 and 50%. In addition to that, workability of each mix was determined by Slump Cone test and Compaction Factor test. Out of 72 cylinders, 36 cylinders were tested to determine the compressive strength while the remaining 36 cylinders

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Ogrodnik, Paweł, and Jacek Szulej. "Structural steel bond to concrete with waste aggregate." SHS Web of Conferences 57 (2018): 02007. http://dx.doi.org/10.1051/shsconf/20185702007.

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The article presents the results of bond tests of B500SP structural steel to concretes subjected to thermal stress. Concretes were designed purely on the basis on waste aggregate made of soft clay pottery with using two types of cements: Portland CEM 32.5R and aluminous cement Górkal 70. In the research was used the method of direct pulling the steel rod out of the concrete cover (Pullout Test). For the tests were prepared four types of concretes: two bases of aluminous cement and two on Portland cement without additions. In the remaining mixtures containing the additive in the form of clinopt

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Powar, Namrata Shankar. "Corrosion of Reinforcement in HVFA Concrete." International Journal for Research in Applied Science and Engineering Technology 10, no. 10 (2022): 1356–70. http://dx.doi.org/10.22214/ijraset.2022.47174.

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bstract: Concrete is a composite material composed of fine aggregate and coarse aggregate bonded together with cement that hardens over time. Concrete is one of the most frequently used building materials. Water cement ratio plays an important role which influences various properties such as workability, strength and durability. In concrete cement is main concrete material.The use of fly ash as an addictive material, as replacement of cement. The most important benefit is reduced permeability to water and chemicals. Properly cured concrete made with fly ash creates a denser product because the

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Pavlů, Tereza, Magdaléna Šefflová, and Vladimír Hujer. "The Properties of Fine-Aggregate Concrete with Recycled Cement Powder." Key Engineering Materials 677 (January 2016): 292–97. http://dx.doi.org/10.4028/www.scientific.net/kem.677.292.

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The main aim of this contribution is verification of properties of concrete with partial replacement of cement by recycled cement powder originating from waste concrete. The main topic of this article is the study of influence of partial replacement of cement by recycled cement powder (RCP) to the cement paste properties, workability of fresh concrete and strength development and dynamic modulus of elasticity of fine aggregate concrete with partial replacement of cement. The workability of fresh concrete were tested by flow table test. The compressive strength, tensile strength in bending and

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Zhao, Jun, Eskinder Desta Shumuye, Zike Wang, and Gashaw Assefa Bezabih. "Performance of GGBS Cement Concrete under Natural Carbonation and Accelerated Carbonation Exposure." Journal of Engineering 2021 (March 27, 2021): 1–16. http://dx.doi.org/10.1155/2021/6659768.

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One of the primary problems related to reinforced concrete structures is carbonation of concrete. In many cases, depth of carbonation on reinforced concrete structures is used to evaluate concrete service life. Factors that can substantially affect carbonation resistance of concrete are temperature, relative humidity, cement composition, concentration of external aggressive agents, quality of concrete, and depth of concrete cover. This paper investigates the effect of varying the proportions of blended Portland cement (ordinary Portland cement (OPC) and ground granulated blast-furnace slag (GG

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Olutoge, F. A., H. A. Quadri, and O. S. Olafusi. "Investigation of the Strength Properties of Palm Kernel Shell Ash Concrete." Engineering, Technology & Applied Science Research 2, no. 6 (2012): 315–19. http://dx.doi.org/10.48084/etasr.238.

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Many researchers have studied the use of agro-waste ashes as constituents in concrete. These agro-waste ashes are siliceous or aluminosiliceous materials that, in finely divided form and in the presence of moisture, chemically react with the calcium hydroxide released by the hydration of Portland cement to form calcium silicate hydrate and other cementitious compounds. Palm kernel shell ash (PKSA) is a by-product in palm oil mills. This ash has pozzolanic properties that enables it as a partial replacement for cement but also plays an important role in the strength and durability of concrete.

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Abebaw, Gashaw, Bahiru Bewket, and Shumet Getahun. "Experimental Investigation on Effect of Partial Replacement of Cement with Bamboo Leaf Ash on Concrete Property." Advances in Civil Engineering 2021 (December 28, 2021): 1–9. http://dx.doi.org/10.1155/2021/6468444.

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Ethiopia’s construction industry is aggressively expanding than ever before. Cement is the most essential and expensive material in this regard. Cement takes 10%–15% by volume of concrete. Nowadays, the construction industry is challenged by the scarcity of cement and price escalation of the cement market. However, scholars try to replace cement with pozzolanic material. Besides this, they investigated that bamboo leaf ash possesses pozzolanic properties. Ethiopia has about 850,000 hectares of lowland bamboo, so it is good to utilize bamboo leaf ash as a replacement material for cement. In thi

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Topič, Jaroslav, Josef Fládr, and Zdeněk Prošek. "Flexural and Compressive Strength of the Cement Paste with Recycled Concrete Powder." Advanced Materials Research 1144 (March 2017): 65–69. http://dx.doi.org/10.4028/www.scientific.net/amr.1144.65.

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In previous work focused on using recycled concrete powder as cement replacement the basic dependency of the mechanical properties on the amount of recycled concrete powder was defined. Influence of the amount of recycled concrete powder on the flexural and compressive strength was shown on 0, 33, 67 and 100 wt. % cement replacement. Based on the previous data the strength properties of the cement paste with recycled concrete powder below 33 wt. % was almost constant and strength properties were comparable with reference sample made of cement only. After the recycled concrete powder in cement

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Rahul, R., Dr R. Chithra, and Dr R. Thenmozhi. "Experimental Investigation on Reactive Powder Concrete by Partial Replacement of Cement with Different Pozzolanic Materials." International Journal for Research in Applied Science and Engineering Technology 11, no. 6 (2023): 2292–98. http://dx.doi.org/10.22214/ijraset.2023.54041.

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Abstract: Reactive powder concrete (RPC) is one of the ultra-high performance concrete (UHPC). In RPC the coarse aggregate is eliminated and the micro particles like silica fume, quartz powder and sand are utilized in the production process. The high cement content and low water to binder ratio in RPC lead to shrinkage problems. Hence in this study, an attempt is made to produce eco-friendly RPC by replacing cement with 3 different pozzolanic materials from industrial wastes such as Fly ash, GGBS and Granite powder. To assess the viability of partial replacement of cement by pozzolanic materia

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Santos, Humberto Mycael Mota, Lidiane Fernanda Jochem, Paulo Ricardo de Matos, et al. "Porcelain Tile Polishing Residue in Concrete as an Additive or Replacement for Portland Cement." Applied Sciences 13, no. 5 (2023): 2824. http://dx.doi.org/10.3390/app13052824.

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In this study, 10–50% of porcelain tile polishing residue (PPR) was used as an additive or as partial replacement of cement in concrete. The cement consumption was kept constant by correcting the amount of sand for each mixture. Concrete workability (slump) was reduced by up to 88.72% when PPR replaced the cement by up to 30%, while it was reduced by only 4.10% when PPR was added to the concrete at the same levels. Compressive strength at 28 days increased up to 92.22% with 50% PPR as additive, reducing the equivalent emission of CO2 per m³ of concrete up to 38.18%. PPR incorporation reduced t

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Silva, M. G., M. R. M. Saade, and V. Gomes. "Influence of service life, strength and cement type on life cycle environmental performance of concrete." Revista IBRACON de Estruturas e Materiais 6, no. 6 (2013): 844–53. http://dx.doi.org/10.1590/s1983-41952013000600002.

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This paper assesses environmental loads of concretes made with Portland blended cements containing different proportions of ground granulated blast furnace slag (ggbs) as clinker replacement and with characteristic compressive strength ranging from 25 to 60 MPa. Impact assessment method CML 2001 v. 2.04 and Life Cycle Assessment platform SimaPro 7.3 respectively supported calculations in terms of environmental impact categories and of a set of life cycle indicators. Service life, estimated via Life 365 v.2.1 software, is tested as a functional unit normalizer for environmental assessment of co

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Pavlů, Tereza, and Magdaléna Šefflová. "The Development of the Fine-Aggregate Concrete Strength with Recycled Cement Powder." Applied Mechanics and Materials 827 (February 2016): 255–58. http://dx.doi.org/10.4028/www.scientific.net/amm.827.255.

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This investigation was focused on possibility of use recycled cement powder originating from the construction and demolition concrete waste as partial replacement of cement in concrete mixture. The main goal of this paper is the study of the mechanical properties development of the fine-aggregate concrete with partial cement replacement at the age 7, 14 and 28 days. The compressive strength and dynamic modulus of elasticity were tested in time. The recycled cement powder from fine recycled concrete, which was used as partial replacement of cement, had the same grain size as cement. The concret

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PASHTOON, Muhammad Israr, Shafi Ullah MİAKHİL та Mohammad Mukhlis BEHSOODİ. "Waste Glass “An Alternative of Cement and Fine Aggregate in Concreteˮ". International Journal of Engineering Technologies IJET 8, № 2 (2023): 70–76. http://dx.doi.org/10.19072/ijet.1143637.

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The major aim of this study is to use Waste Glass Powder (WGP) which is obtained from grinding glass waste using an abrasion apparatus, as cement and a fine aggregate substitute in concrete. The physical and mechanical characteristics, workability, and compressive strength of concrete were studied by using WGP as cement and fine aggregate replacement simultaneously. In order to perform correctly, the glass has to be sieved to particle sizes of less than 150 µm sieve for cement replacement and 4.75 mm for fine aggregate replacement. WGP was used to replace the cement and fine aggregate in concr

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Chandra Paul, Suvash, Peter Mbewe, Sih Kong, and Branko Šavija. "Agricultural Solid Waste as Source of Supplementary Cementitious Materials in Developing Countries." Materials 12, no. 7 (2019): 1112. http://dx.doi.org/10.3390/ma12071112.

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Concrete production utilizes cement as its major ingredient. Cement production is an important consumer of natural resources and energy. Furthermore, the cement industry is a significant CO2 producer. To reduce the environmental impact of concrete production, supplementary cementitious materials such as fly ash, blast furnace slag, and silica fume are commonly used as (partial) cement replacement materials. However, these materials are industrial by-products and their availability is expected to decrease in the future due to, e.g., closing of coal power plants. In addition, these materials are

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Butler, Liam, Jeffrey S. West, and Susan L. Tighe. "Effect of Recycled Concrete Aggregate Properties on Mixture Proportions of Structural Concrete." Transportation Research Record: Journal of the Transportation Research Board 2290, no. 1 (2012): 105–14. http://dx.doi.org/10.3141/2290-14.

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This study focuses on characterizing several recycled concrete aggregate (RCA) sources, developing concrete mixture proportions that incorporate RCA as coarse aggregate, and investigating the effect of coarse aggregate properties on the main mixture proportion parameters [i.e., cement content, water demand, and water–cement (w/c) ratio]. Four aggregate types were investigated: one control virgin aggregate source and three RCAs produced from the crushing of hardened concrete. Numerous aggregate tests, including density, absorption, abrasion resistance, adhered mortar content, and crushing value

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Vimalanathan, M. "Partial Replacement of Cement by Baryte." International Journal for Research in Applied Science and Engineering Technology 10, no. 6 (2022): 4527–30. http://dx.doi.org/10.22214/ijraset.2022.44817.

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Abstract: The use of high volume baryte concrete fits in very well with sustainable development. High performance concrete is being widely used all over the world. High volume baryte concrete mixtures contain lower quantities of cement and higher volume of baryte (up to 40%). The use of baryte concrete at proportions ranging from 0 to 40% of total cementations binder has been studied extensively over the last twenty years and the properties of blended concrete are well documented. The replacement of baryte as a cement component in concrete depends upon the design strength, water demand and rel

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Soultana, Athanasia, Michael Galetakis, Anthoula Vasiliou, Konstantinos Komnitsas, and Despina Vamvuka. "Utilization of Upgraded Recycled Concrete Aggregates and Recycled Concrete Fines in Cement Mortars." Recent Progress in Materials 03, no. 03 (2021): 1. http://dx.doi.org/10.21926/rpm.2103035.

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Waste concrete is the most predominant constituent material among construction and demolition waste. Current waste concrete recycling is limited to the use of recycled concrete aggregates as a road-base material and less as aggregates in new concrete mixes. Further, the production of recycled concrete aggregates results in the generation of a high amount of fines, consisting mainly of cement paste particles. Hence, this study aims to produce the cement mortars using the upgraded recycled concrete aggregates (sand granulometry) for the total replacement of natural aggregates and recycled concre

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Kumar, Sudhir, and Manish Chaudhary. "Utilization of Waste Glass as Cement Replacement in PPC Concrete." International Journal of Trend in Scientific Research and Development Volume-2, Issue-3 (2018): 295–300. http://dx.doi.org/10.31142/ijtsrd10844.

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Babu, Repati Mohan, G. V. V. Satyanarayana, and Vivek Kumar C. "Structural behaviour of triple blended high-performance concrete." E3S Web of Conferences 391 (2023): 01193. http://dx.doi.org/10.1051/e3sconf/202339101193.

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After water, concrete was the material for construction that is used on the largest scale on the planet, and as an outcome of technological development, concrete's qualities have evolved over time. A study was carried out to investigate the potential use of mineral admixture as a partial replacement in high performance concrete. Since they can significantly improve concrete strength and durability properties when compared to regular Portland cement supplemental cementations materials (SCM) like Alccofine (AF) and ground granulated blast furnace slag (GGBFS) have all been used as cement replace

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Ge, Zhi, Ren Juan Sun, and Li Zheng. "Mechanical Properties of Concrete with Recycled Clay-Brick-Powder." Advanced Materials Research 250-253 (May 2011): 360–64. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.360.

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This paper studied the mechanical properties of concrete with cement partially replaced by recycled clay-brick-powder. Four variables (water/cement ratio, sand ratio, replacement level and average particle size of clay-brick-powder) were considered. Each variable had four levels. By using the orthogonal experimental design method, total 17 mixes, including one normal cement concrete as reference, were tested. Experiment results showed that recycled clay-brick-powder could be used as partial replacement of cement in concrete without reducing its properties. The strength was not significantly re

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Pavlů, Tereza, and Magdaléna Šefflová. "Carbonation Resistance of Fine Aggregate Concrete with Partial Replacement of Cement." Key Engineering Materials 722 (December 2016): 201–6. http://dx.doi.org/10.4028/www.scientific.net/kem.722.201.

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The main aim of this contribution is verification of durability properties of concrete with partial replacement of cement by recycled cement powder (RCP) sourced from pure waste concrete. The main topic of this article is the study of influence of partial replacement of cement by RCP to the carbonation resistance of fine aggregate concrete with partial replacement of cement. The compressive strength, tensile strength in bending and depth of carbonation were tested after 56 days of CO2 curing. Partial replacement of cement was 0, 5, 10 and 15 % for all these tests. The properties were investiga

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Ketkukah, T. S., S. I. Anowai, and F. G. Mije. "Performance of olive seed ash as partial replacement of cement in concrete." Nigerian Journal of Technology 41, no. 5 (2022): 827–33. http://dx.doi.org/10.4314/njt.v41i5.2.

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The need for partial replacement of cement in concrete production has become inevitable because of adverse environmental impact of cement production, increasing cost of cement and financial benefits of utilization of waste products. This paper presents laboratory investigation of the properties of Olive Seed Ash (OSA) as partial replacement of cement in concrete. Concrete mix of 1:2:4 (Binder: Fine aggregate: Coarse Aggregate) and water-cement ratio of 0.44 were adopted in this study. Olive seed ash was used to replace cement at various levels of 0%, 5%, 10% and 15% by mass. Partial replacemen

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Ahiwale, Dhiraj, and Rushikesh Khartode. "Study of Fly Ash, Rice Husk Ash and Marble Powder as Partial Replacement to Cement in Concrete." International Journal of ChemTech Research 13, no. 3 (2020): 315–21. http://dx.doi.org/10.20902/ijctr.2019.130328.

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Now days, the waste rice husk from rice mill, marble powder from tile industry and fly ash from steam power plant are necessary to utilize as partial replacement of cement for concrete production. Large scale production of cement required consumption of raw materials and energy as well as emissions to air which posse’s environmental threat in various areas of country. Apart from the environmental threat, there still exists the problem of shortage in many areas. Therefore, substitute material for concrete needs to be considered. The paper aims to analyze the compressive strength of concrete cub

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Jia, Fu Ping, Yong Cheng, Yi Bing Sun, Yin Yu Wang, and Hao Sun. "Study on Residual Splitting Tensile Strength of HFCC after High Temperature." Advanced Materials Research 243-249 (May 2011): 5067–70. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.5067.

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This paper presents the results of the splitting tensile strength of high fly ash content concrete (HFCC) after high temperature and analysis the degraded rules of the residual splitting strength subjected to high temperature and the replacements of cement by fly ash. The specimens were prepared with three different replacements of cement by fly ash 30%, 40% and 50% by mass and were tested after exposure to high temperature 250, 450, 550 and 650°C and room temperature respectively, compared with ordinary Portland cement concrete. The results showed that the splitting tensile strength sensitive

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Kagadgar, Sarfaraz Ahmed, Suman Saha, and C. Rajasekaran. "Mechanical and Durability Properties of Fly Ash Based Concrete Exposed to Marine Environment." Selected Scientific Papers - Journal of Civil Engineering 12, no. 1 (2017): 7–18. http://dx.doi.org/10.1515/sspjce-2017-0001.

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Abstract Efforts over the past few years for improving the performance of concrete suggest that cement replacement with mineral admixtures can enhance the strength and durability of concrete. Feasibility of producing good quality concrete by using alccofine and fly ash replacements is investigated and also the potential benefits from their incorporation were looked into. In this study, an attempt has been made to assess the performance of concrete in severe marine conditions exposed upto a period of 150 days. This work investigates the influence of alccofine and fly ash as partial replacement

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