Experimental investigation on strength properties of concrete using polypropylene pellets

2019 ◽  
pp. 509-516
Author(s):  
Kathirvel M ◽  
Sowndharya D ◽  
Sudharson K
Keyword(s):  
Construction Materials ◽  
Strength Properties ◽  
Waste Materials ◽  
Environmental Damage ◽  
Water Bottle ◽  
New Materials ◽  
River Sand ◽  
Split Tensile Strength ◽  
Manufactured Sand ◽  
Identical Property

The revolution of using new materials as reinforcement in concrete has become all the rage. It is due to the fact that he habitual construction materials we generally use, decreases in quantity on regular basis. Thus there arises a vacuum to replace those habitual materials with the resources of identical property. The good quality river sand has now become a demand because of its scarcity. Thus replacing the conventional river sand with M-Sand (manufactured sand) will reduce this demand. In turn the M sand is readily available at the time of need. M-Sand is of the disposal of plastic waste materials such as polythene bags, water bottle etc., may cause environmental damage. Polypropylene is the second most widely produced synthetic plastic after polyethylene. The usage of polypropylene in concrete will improve its mechanical properties. In this project, M-Sand has been partially replaced by POLYPROPYLENE in the form of plastic pellets in range of (0-30% at the interval of 10%) in M-20 grade of concrete. The concrete has been tested for compressive strength, split-tensile strength and flexural strength for 28 days.

scholarly journals Evaluating Optimum Strength of Geopolymer Concrete using Quarry Rock Dust with inclusion of natural and hybrid fibers under ambient curing

2020 ◽  
Vol 9 (6) ◽  
pp. 1-5
Keyword(s):  
Construction Industry ◽  
Glass Fibers ◽  
Strength Properties ◽  
Waste Materials ◽  
Partial Replacement ◽  
Fine Aggregate ◽  
Geopolymer Concrete ◽  
Hybrid Fibers ◽  
River Sand ◽  
Rock Dust

Conventionally used cement –a primary binder also a necessitate element in producing concrete rates first in the construction industry. Production of conventional cement requires a greater skill and is energy intensive. The usage of waste materials in the production of concrete and reduction in cement content was only the possible alternative in the past decade. Associated risks with the production of Ordinary Portland Cement are well known. A greener aided with a natural friendly claim can be made only with the usage of the waste materials and reduction in evolving respiration gas to the atmosphere. Almost all works are carried out using source material fly ash, with fine aggregate and coarse aggregate. Concrete plays a vital role in the construction industry and on the other hand, river sand; one of the essential material has become very expensive which is a scarce material. Depletion of sand is a hectic issue due to increased usage of sand in construction. No other replacement materials such as quarry rock dust is not concentrated in casting geopolymer specimens. Even though in some research papers the replacement materials are added only in partial replacement without aiming on 100% replacement. Many researches mainly focus towards test results of GPC specimens using steel fibers, glass fibers. But the study related to natural fibers and hybrid fibers are found scarce. The main part of this work aimed at characterizing the engineering strength properties of geopolymer concrete by 100% replacement of fine aggregate with quarry rock dust. Hence, combination of flyash and quarry rock dust in GPC have been considered for evaluating the mechanical properties of geopolymer concrete. Also, investigation focuses on incorporation of three different fibers namely polypropylene fibers(PF), coir fibers(CF) and hybrid fibers(HF) in different percentage of proportions such as 0.5%,1%,and 1.5% to determine the maximum strength properties of GPC.

scholarly journals Strength Properties of Concrete with M-Sand as Fine Aggregate Incorporating with Acrylic Fiber

2020 ◽  
Vol 9 (4) ◽  
pp. 204-208
Keyword(s):  
Tensile Strength ◽  
Plain Concrete ◽  
Strength Properties ◽  
Fine Aggregate ◽  
River Sand ◽  
Split Tensile Strength ◽  
Acrylic Fiber ◽  
River Bed ◽  
Strength And Durability ◽  
Aggregate Material

The river sand is the natural sort of fine aggregate material which is employed within the concrete and mortar. It’s usually obtained from the river bed and mining has disastrous environment consequences. Rather than the river sand we are using M-sand as fine aggregate within the concrete. The event of acrylic concrete marks a crucial milestone in improving the merchandise quality and efficiency of the concrete. Usage of acrylic within the concrete will increase the strength and durability of the concrete. It enhances the performance of the concrete and increase energy absorption compared with plain concrete. Within the present work we are getting to analysis the strength properties of fiber reinforced M-sand concrete like compressive strength, flexural strength, split tensile strength, and bond strength.

NOVEL CONCRETE MIXTURE USING SILICA RICH AGGREGATES: WORKABILITY, STRENGTH AND MICROSTRUCTURAL PROPERTIES

2019 ◽  
Vol 6 (1) ◽  
Author(s):  
Paul Awoyera ◽  
Joseph Akinmusuru ◽  
Anthony Ede ◽  
Joshua Jolayemi
Keyword(s):  
Construction Materials ◽  
Future Generation ◽  
Strength Properties ◽  
Sustainable Construction ◽  
Fine Aggregate ◽  
Microstructural Properties ◽  
Split Tensile Strength ◽  
Conventional Concrete ◽  
Binder Ratio ◽  
Traditional Construction

The persistent reliance on traditional construction materials is of no gain to the future generation. The rate at which the natural aggregate sources are explored is alarming, and as a result, the threat of depletion of the natural materials has inspired interest in sustainable construction materials, focusing on construction and demolition wastes and local materials. In this study, an experimental insight on modified concrete, based on workability, strength and microstructural properties, is provided, in an attempt to ascertain the suitability of silica-rich aggregates (ceramic industry wastes and laterite) as a replacement for conventional fine and coarse aggregates. Various mix proportions were considered, and material batching was done by weight for concrete casting. The workability test, using slump, indicates that the flowability of the modified concrete mixes is achievable at a water-binder ratio of 0.6. The strength properties of the concrete increased with the increasing ceramic substitution for granite while increasing laterite content beyond 10% negates the strength gain by the concrete. A concrete mix containing 90% ceramic fine and 10% laterite, as fine aggregate, and 100% of cement and ceramic coarse, as binder and coarse aggregate, respectively, gave higher compressive strength (22.5 MPa), and split-tensile strength (3.6 MPa), and these results were found as comparable to the conventional concrete.

scholarly journals Strength Properties of Fibre-Reinforced SelfConsolidating Concrete with Foundry Waste Sand

2019 ◽  
Vol 8 (10) ◽  
pp. 1530-1538
Keyword(s):  
Modulus Of Elasticity ◽  
High Strength ◽  
Strength Properties ◽  
Fine Aggregate ◽  
Comprehensive Overview ◽  
River Sand ◽  
Split Tensile Strength ◽  
Alternative Source ◽  
Fresh State ◽  
Passing Ability

This study presents a comprehensive overview of replacing natural river sand (FA) with foundry waste sand (FWS) in fibre-reinforced high strength self-consolidating concrete (SCC). Fine aggregate (FA) was replaced with FWS, proportions varying from 0% to 70%. To maintain workability in the SCC mix, chemical admixtures were added. During fresh state, properties of SCC like filling and passing ability, segregation resistance were studied. Assessment results indicated a moderate reduction in workability, slump flow decreased by 4% over control mix, for 70% replacement of FA with FWS. SCC mixes were prepared with different FWS contents and evaluated for density, modulus of elasticity, compressive, flexural and split tensile strengths. The compressive strength increased by 6% to 8%, flexural strength by 2% to 4% and split tensile strength by 2% to 3% when the FA was partially replaced by 20% with FWS. Density of SCC increased by 6.5% and modulus of elasticity decreased by 10% for 70% replacement of FA with FWS. From the assessment outcome, it can be resolved that FWS could form a dependable alternative source for natural river sand replacement in high strength SCC.

scholarly journals Effect of Manufactured Sand on Flexural Behavior of Geopolymer RCC Beams: A review

2020 ◽  
Vol 184 ◽  
pp. 01101
Author(s):  
T. Srinivas ◽  
P. Bhavana ◽  
N. V. Ramana Rao
Keyword(s):  
Construction Materials ◽  
Flexural Behavior ◽  
Future Research ◽  
Geopolymer Concrete ◽  
Structural Elements ◽  
River Sand ◽  
Conventional Concrete ◽  
Manufactured Sand ◽  
Alternative Material ◽  
Day By Day

In recent days, the continuous running down of the ozone coat and global warming problem has greater than before, it is necessary to get the consciousness of the construction industries in using new recyclable construction materials. To suit this, geopolymer concrete has begun to boost massive concern from the research scholars and construction practitioners, because of its beneficial in utilizing byproduct materials to replace cement and diminishing ozone depleting substance release all through its generation. It is also having superior mechanical and durability properties compared to conventional concrete. On the other hand river sand is becoming scare day by day and costlier. So the manufactured sand turns out to be alternative material for river sand. In spite of its benefits, the use of geopolymer concrete in realistic is significantly narrow, this is primarily due to the deficiency in the studies in terms of structural elements, design and application. This paper objective is to identify the research gaps in this area and develop future research investigations in the materials and structural elements performance of geopolymer concrete. Many researchers from their analysis on flexural behavior of beams concluded that geopolymer concrete could replace conventional concrete.

scholarly journals Mechanical Properties of Concrete with Substitution of Fine and Coarse Aggregate by Waste Materials in Concrete

2019 ◽  
Vol 8 (4) ◽  
pp. 5817-5820
Keyword(s):  
Mechanical Properties ◽  
Coarse Aggregate ◽  
Construction Materials ◽  
Copper Slag ◽  
Waste Materials ◽  
Partial Replacement ◽  
Fine Aggregate ◽  
River Sand ◽  
Aggregate Concrete ◽  
Concrete Mixtures

Paper Construction industry has been conducted various studies on the utilization of waste materials in concrete productions in order to decrease the usage of natural resources. This research paper exhibits the evaluation and the effective reuse of waste construction materials and industries, such as cuddapah waste aggregate as partial replacement of conventional coarse aggregate and copper slag as partial replacement of river sand (fine aggregate). Experiments were conducted to find out the mechanical properties of concrete such as compressive, splitting tensile, flexural strengths and the modulus of elasticity of concrete for waste materials aggregate concrete and to compare them with those of conventional aggregate concrete. Results appear that waste materials in concrete have the potential to produce good quality concrete mixtures.

scholarly journals Utilization of Cow-dung Ash, Granite Powder and Marble Stone to Enhance Strength of Concrete

2018 ◽  
Vol 7 (3.12) ◽  
pp. 168
Author(s):  
J Arthika ◽  
C Venkatasubramanian ◽  
D Muthu ◽  
Neha P Asrani ◽  
R Gayathri
Keyword(s):  
Tensile Strength ◽  
Construction Industry ◽  
Building Materials ◽  
Coarse Aggregate ◽  
Construction Materials ◽  
Partial Replacement ◽  
Cow Dung ◽  
River Sand ◽  
Split Tensile Strength ◽  
Granite Powder

The construction industry has been responsible for degrading the environment due to ecological imbalance caused during the extraction and production of building materials. To make this production of construction materials cleaner, the dependency on conventional materials has to be reduced. With this aim, this article presents an experimental study on partial replacement of cement, sand and aggregate by cowdung ash(CDA), granite powder(GP) and marble stone(MS) respectively. For this, four series of mix proportions were prepared to evaluate the compressive strength and the split tensile strength. Replacement ratios of the first, second, third and fourth mixes are (5%CDA, 10%GP, 15%MS), (5%CDA, 15%GP, 30%MS), (10%CDA, 15%GP, 30%MS), (5%CDA, 7.5%GP, 15%MS) respectively. Results revealed that the partial replacement of binders and fillers is effective to enhance compressive and split tensile strength of   concrete. This would enable the construction industry to reduce their dependency on river sand and natural coarse aggregate.  

scholarly journals An Experimental Programme on Frc with Opc, Flyash, Ggbs, and Metakaolin

2019 ◽  
Vol 8 (10) ◽  
pp. 3713-3717
Keyword(s):  
Fly Ash ◽  
Fiber Reinforced Concrete ◽  
Mineral Admixtures ◽  
Test Results ◽  
River Sand ◽  
Split Tensile Strength ◽  
Manufactured Sand ◽  
Granulated Blast Furnace Slag ◽  
Strength Tests ◽  
Lime Stone

The production of Ordinary Portland Cement (OPC) is increasing year by year world over. Further, the production of every tonne of OPC generates one tonne of green house gases, (CO2 ) which results in Global Warming. Usage of OPC is more in construction industry as it is a major ingredient in Concrete. As the usage of Concrete is increasing year by year, more and more is the OPC production and hence the environment is getting polluted; added to this undesirable scenario, the natural resources like lime stone used to manufacture cement and river sand are getting depleted year by year. In order to prevent the usage of large amounts of OPC in Concrete, mineral admixtures like Ground Granulated Blast furnace Slag (GGBS), Fly Ash and Metakaolin which are pozzolanic and cementitious in nature are adopted to replace certain percentages of OPC. Manufactured Sand (M-sand) is adopted to replace river sand. Experimental investigation is conducted on fiber reinforced concrete with steel fibers @1% of weight of binder by casting requisite number of cubes and cylinders of concrete of grade M25; in these mixes OPC is replaced with GGBS, Fly Ash and Metakaolin up to 45%. Mechanical properties are determined by conducting compressive strength and split tensile strength tests; additionally some of the durability properties are established by conducting Water absorption and Sorptivity tests. Test results are comparable between controlled concrete and innovative concrete of present investigation.

scholarly journals Mechanical Behaviour of Self Compacting Concrete by using M-sand & Rice Husk ash

2019 ◽  
Vol 8 (10) ◽  
pp. 3320-3323
Keyword(s):  
Mechanical Properties ◽  
Rice Husk ◽  
Rice Husk Ash ◽  
Construction Material ◽  
Sustainable Construction ◽  
Partial Replacement ◽  
Agricultural Product ◽  
River Sand ◽  
Split Tensile Strength ◽  
Manufactured Sand

Rice husk ash (RHA) is an agricultural based pozzolanic material, which contains high amount of silica content. This experimental research was conducted on Self Compaction Concrete (SCC), to generate an economical concrete by using Manufactured Sand (M-sand) and Rice Husk Ash. Natural River sand usage is damaging the river beds, causing the drastic changes in ground water table and cost of river sand increasing day by day. To overcome this problems manufactured sand is used in SCC production. Rice husk Ash is very cheaper when compared to the Cement. It is extracted from Rice Husk which is a waste of Agricultural product. This material can be useful to generate a sustainable construction material. This paper presents the experimental results on development of mechanical properties of SCC with M-sand and Rice Husk Ash. Experiment conducted on 6 different mixes. i.e Partial Replacement with RHA (0%, 5%, 10%, 15%, 20%, 25%). For each mix Fresh properties (Slump flow & L-Box Test) & mechanical properties (Compressive strength, Split Tensile strength and Flexural strength) for 7days, 28days and 60days along with Density comparisons are compared.

scholarly journals Experimental Studies on Strength Properties of M60 Concrete with Partial Replacement of Cement by GGBS and Fly Ash

2021 ◽  
Vol 9 (12) ◽  
pp. 891-894
Author(s):  
Mantu Kumar
Keyword(s):  
Tensile Strength ◽  
Compressive Strength ◽  
Fly Ash ◽  
Flexural Strength ◽  
Experimental Studies ◽  
Construction Materials ◽  
Strength Properties ◽  
Partial Replacement ◽  
Split Tensile Strength ◽  
Concrete Production

Abstract: Among all the current construction materials, concrete occupies a unique position. Concrete is the most often utilised building material. Cement production emits CO2, which is harmful to the environment. One of the most crucial ingredients in concrete production is cement. Experiments were carried out to see how different percentages of Fly Ash and GGBS affected the mechanical qualities of M60 grade concrete. After 7, 14, and 28 days of curing, the compressive strength of concrete cubes with suggested replacement was determined. Compressive strength, split tensile strength, and flexural strength are all evaluated on the cubes, cylinders, and prisms. The primary goal of this study is to compare the fresh and hardened characteristics of M-60 grade control concrete with concrete prepared with varied ratios of fly ash and GGBS Keywords: GGBS, Fly Ash, Durability, Compressive Strength, Tensile Strength, Flexural Strength, Slum cone Test

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