scholarly journals Predicting Slump Values of Concrete Made by Pozzolans and Manufactured Sand using ANN

2022 ◽  
Vol 10 (5) ◽  
pp. 66-72
Author(s):  
Kiran M.Mane ◽  
◽  
S.P. Chavan ◽  
S.A. Salokhe ◽  
P.A. Nadgouda ◽  
...  
Keyword(s):  
Fine Aggregate ◽  
Ann Model ◽  
Natural Sand ◽  
Manufactured Sand ◽  
Environmental Consequences ◽  
Pozzolanic Material ◽  
Software Model ◽  
Alternative Materials ◽  
Model Training ◽  
Artificial Neural Network Ann

Large amounts of natural fine aggregate (NFA) and cement are used in building, which has major environmental consequences. This view of industrial waste can be used in part as an alternative to cement and part of the sand produced by the crusher as fine aggregate, similar to slag sand (GGBFS), fly ash, metacaolin, and silica fume. Many times, there are issues with the fresh characteristics of concrete when using alternative materials. The ANN tool is used in this paper to develop a Matlab software model that collapses concrete made with pozzolanic material and partially replaces natural fine aggregate (NFA) with manufactured sand (MS). Predict. The slump test was carried out in reference with I.S11991959, and the findings were used to create the artificial neural network (ANN) model. To mimic the formation, a total of 131 outcome values are employed, with 20% being used for model testing and 80% being used for model training. 25 enter the material properties to determine the concrete slump achieved by partially substituting pozzolan for cement and artificial sand (MS) for natural fine aggregate (NFA). According to studies, the workability of concrete is critically harmed as the amount of artificial sand replacing natural sand grows. The ANN model's results are extremely accurate, and they can forecast the slump of concrete prepared by partly substituting natural fine aggregate (NFA) and artificial sand (MS) with pozzolan.

Prediction of shear strength of concrete produced by using pozzolanic materials and partly replacing NFA by MS using ANN

2020 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Kiran Mansingrao Mane ◽  
D.K. Kulkarni ◽  
K.B. Prakash
Keyword(s):  
Neural Network ◽  
Shear Strength ◽  
Fine Aggregate ◽  
Ann Model ◽  
Content Type ◽  
Manufactured Sand ◽  
Software Model ◽  
Data Record ◽  
Pozzolanic Materials ◽  
Artificial Neural Network Ann

Purpose The use of huge quantity of natural fine aggregate (NFA) and cement in civil construction work which have given rise to various ecological problems. The industrial waste like blast furnace slag (GGBFS), fly ash, metakaolin and silica fume can be partly used as a replacement for cement and manufactured sand obtained from crusher and partly used as fine aggregate. The purpose of this paper is to predict the shear strength of concrete using artificial neural network (ANN) for concrete made by using different pozzolans and partly replacing NFA by manufactured sand (MS) which can reduce the time and experimental cost. Design/methodology/approach In this work, MATLAB software model is developed using neural network toolbox to predict the shear strength of concrete made by using pozzolanic materials and partly replacing NFA by manufactured sand (MS). Shear strength was experimentally calculated, and results obtained from experiment were used to develop the ANN model. A total of 131 results values were used to modeling formation, and from that 30% data record was used for testing purpose and 70% data record was used for training purpose. In total, 25 input materials properties were used to find the 28 days shear strength of concrete obtained from partly replacing cement with pozzolans and partly replacing NFA by manufactured sand (MS). Findings The results obtained from ANN model provide very strong accuracy to predict shear strength of concrete obtained from partly replacing cement with pozzolans and NFA by manufactured sand. Originality/value This research study is on determining shear strength of concrete using ANN. The use of this study is to predict the shear strength of concrete using ANN for concrete made by using different pozzolans and partly replacing NFA by manufactured sand (MS) which can reduce the time and experimental cost.

scholarly journals STUDY ON UTILIZATION OF ZEOLITE AND STONE DUST IN CONCRETE

2020 ◽  
Vol 4 (5) ◽  
pp. 93-97
Author(s):  
Leela Prasanth U ◽  
Karan Kumar H ◽  
Afzal Basha Syed
Keyword(s):  
Cementitious Materials ◽  
Supplementary Cementitious Materials ◽  
Partial Replacement ◽  
Fine Aggregate ◽  
Split Tensile Strength ◽  
Natural Sand ◽  
Pozzolanic Material ◽  
Fine Aggregates ◽  
Stone Dust ◽  
Alternative Materials

Concrete is a compound material composed of fine aggregates and coarse aggregate bonded together with fluid cement that hardens over time.The deficit of natural sand arises the need of alternative materials for replacement of natural sand. The squashed stone residue which is locally accessible modern strong waste material is ordinarily utilized as a fine aggregate in concrete. In the current examination, an exploratory program was carried out to consider the compressive and split tensile quality of concrete made utilizing stone residue as halfway substitution of fine aggregate at an increment of 10%. Zeolite is a pozzolanic material and its pozzolanic action improves the compressivestrength of concrete. Natural zeolites are supplementary cementitious materials. By adding zeolite, the investigation on the experiments will be carried out to determine the compressive strength and split tensile strength of concrete made using zeolite as partial replacement of cement up to 20 percent at an interval of 5 percent just as the way Stone dust is being replaced to achieve the objective of the project, M30 grade of concrete is prepared. The cube and cylindrical samples shall be tested after a curing period of 7 & 28 days.

Investigation of Pore Structure for Manufactured Sand Mortar

2014 ◽  
Vol 534 ◽  
pp. 39-51
Author(s):  
Zheng Hong Tian ◽  
Jing Wu Bu
Keyword(s):  
Pore Structure ◽  
Pore Size ◽  
Water Saturation ◽  
Total Porosity ◽  
Threshold Region ◽  
Fine Aggregate ◽  
Test Results ◽  
Natural Sand ◽  
Manufactured Sand ◽  
Threshold Radius

This paper focuses on the pore structure parameters of mortars produced with manufactured sand and natural sand via water saturation and MIP methods. Test results show that, total porosity, as well as compressive strength, of manufactured sand mortar, is higher than that of natural sand mortar at fixed w/c and s/c ratio. Furthermore, considerable volume of large pores present in specimens of manufactured sand at higher w/c ratio rather not at the lower w/c ratio, which caused by the larger binder-aggregate interface. Manufactured fine aggregate in mortar probably accelerate hydrated reaction of cement, which result in the most probable pore size is finer than that of natural sand mortar. It can be concluded that the threshold region becomes flatten and threshold radius increases due to the aggregate volume concentration rises. Finally, a new theoretical model with a double-lognormal distribution function is demonstrated to be reasonable to fit pore size distribution in mortars.

Utilization of Quarry Dust as a Partial Replacement of Fine Aggregate in Glass Fibre Reinforced Concrete introduction

2019 ◽  
Vol 1 (6) ◽  
pp. 537-542
Author(s):  
Anukarthuika B ◽  
Priyanka S ◽  
Preethika K
Keyword(s):  
Glass Fiber ◽  
Glass Fibers ◽  
Partial Replacement ◽  
Fine Aggregate ◽  
Split Tensile Strength ◽  
Natural Sand ◽  
Alternative Materials ◽  
Glass Fibre Reinforced ◽  
Materials Used ◽  
Quarry Dust

Concrete plays important role in the construction of structures. The need for concrete increases day by day. Material required for concrete are getting depleted, so there is a requirement to find alternatives. At the same time the alternative materials should posses the property of the actual materials used in concrete and also they must provide the required strength to the concrete. Normally Concrete is firm in compression but anemic in tension and shear. The purpose of this study is to find the behaviour of concrete reinforced with hybrid macro fibers. By adding Glass fibers in percentages like 0.2%, 0.4%, 0.6%& 0.8% to the concrete, the properties like compressive, flexural and split tensile strength are investigated. The optimum percentage of glass fiber was found to be 0.4%. Quarry dust has been widely used in structures since ancient times. The present study is aimed at utilizing waste Quarry dust (WQD) in construction industry itself as fine aggregate in concrete, replacing natural sand and also by adding the optimum percentage of glass fibers. The replacement is done partially and fully in the various proportions like 0%, 25%, 50%, 75% and 100% and its effect on properties of concrete were investigated. The optimum percentage of the concrete by adding 0.4% of glass fiber and the proportions was found to be 25%.

Prediction of tensile strength of concrete produced by using pozzolanic materials and partly replacing natural sand by manufactured sand

2019 ◽  
Vol 10 (3) ◽  
pp. 50
Author(s):  
Kiran Mansingrao Mane ◽  
Dilip K. Kulkarni ◽  
K. B. Prakash
Keyword(s):  
Tensile Strength ◽  
Industrial Wastes ◽  
Test Results ◽  
Ann Model ◽  
Natural Sand ◽  
Manufactured Sand ◽  
Tensile Strength Test ◽  
Pozzolanic Materials ◽  
By Products ◽  
Potential Use

The overuse level of cement and natural sand for civil industry has several undesirable social and ecological consequences. As an answer for this, industrial wastes or by-products (pozzolanic materials) such as fly ash, GGBFS, silica fume and metakaolin can be used to interchange partially cement and natural sand by manufacturing sand (M-sand). In this study, Artificial Neural Networks (ANNs) models were developed for predicting the tensile strength, at the age of 28 days, of concretes containing partly pozzolanic materials and partly replacing natural sand by manufactured sand. Tensile strength test were performed and test results were used to construct ANN model. A total of 131 values was used for modeling ANN, 80% in the training phase, and 20% in the testing phase. To construct the model, 25 input parameters were used to achieve one output parameter, referred to as the tensile strength of concrete containing partly pozzolanic materials and manufactured sand. The results obtained in both, the training and testing phases strongly show the potential use of ANN to predict 28 days tensile strength of concretes containing partly pozzolanic materials and manufactured sand.

scholarly journals Studies on manufactured sand effect on mechanical properties of geopolymer concrete as replacement of river sand in fine aggregate

2021 ◽  
Vol 309 ◽  
pp. 01114
Author(s):  
K. Veera Babu ◽  
T. Srinivas ◽  
Mahathi Tummala
Keyword(s):  
Mechanical Properties ◽  
Fly Ash ◽  
Construction Material ◽  
Environmental Concerns ◽  
Fine Aggregate ◽  
Geopolymer Concrete ◽  
River Sand ◽  
Natural Sand ◽  
Manufactured Sand ◽  
Low Calcium

Concrete is the most adaptable, long-lasting, and dependable construction material on the planet. There are numerous environmental concerns associated with the production of OPC, and natural sand is becoming more expensive and scarce as a result of unlawful river sand dredging. The greatest replacement material for traditional concrete is geopolymer concrete with low calcium fly ash. The purpose of this paper is to investigate the mechanical properties of geopolymer concrete of grades G30 and G50, which are equivalent to M30 and M50, when river sand is substituted in various quantities with manufactured sand, such as 0%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and 100%. When compared to the equivalent grades of controlled concrete, geopolymer concrete improves mechanical properties such as compressive, tensile, and flexural strengths.

scholarly journals Feasibility Study on the Utilization of Manufactured Sand as a Partial Replacement for River Sand

2021 ◽  
Keyword(s):  
Sodium Sulphate ◽  
Sediment Supply ◽  
Partial Replacement ◽  
Fine Aggregate ◽  
Freezing And Thawing ◽  
River Sand ◽  
Natural Sand ◽  
Manufactured Sand ◽  
Loss Of Weight ◽  
Huge Impact

Abstract. Continuous extraction of sand is having a huge impact on the natural river beds which has resulted in lowering of water table and a decrease in the amount of sediment supply. Despite the quantity of sand used in our day-to-day activities, our dependence on sand is significantly increasing. The use of manufactured sand as a fine aggregate in concrete draws the attention of many investigators and researchers. The present investigation includes the study of soundness and EDAX .The test results depicted that for M-sand substituted concrete the loss of weight, when subjected to alternate cycles of freezing and thawing when tested with magnesium and sodium sulphate solution was found to be less when compared with natural sand. The important observation is that the inclusion of manufactured sand in concrete reduces the pores present in concrete resulting in matrix densification and makes the concrete impermeable and substantially reduces the rate of oxygen diffusion and reduces the corrosion process as well. This paper also focuses on the effect of manufactured sand as a fine aggregate in the elastic and bond characteristics of concrete.

scholarly journals Durability Properties of Self Compacting Concrete by using M-Sand as Fine Aggregate

2019 ◽  
Vol 8 (3) ◽  
pp. 8354-8358
Keyword(s):  
Fine Aggregate ◽  
Self Compacting Concrete ◽  
River Sand ◽  
Natural Sand ◽  
Manufactured Sand ◽  
Durability Properties ◽  
Fine Aggregates ◽  
Alternative Material ◽  
Chloride Attack ◽  
Level Constant

Self-compacting concrete is also called as self consolidated concrete which does not require vibration for placing and compaction. In the present trend scarcity of natural sand become a huge problem to construction industry, inorder to reduce this problem alternatives are used, one of the alternative material is Manufactured sand. Manufactured sand is produced from hard granite stone by crushing. There are two reasons to M-sand i.e, availability & transportation. An attempt was made to evaluate the workability and strength characteristics & durability properties of self compacting concrete with river sand and manufactured sand as fine aggregates. For each replacement level, constant workability was maintained by varying the dosage of superplasticizer. Sulphate attack and chloride attack of the specimens were determined. Different proportions of solution are used for durability study.

Compared Research on Elastic Modulus Strength between Manufactured Sand Concrete and Ordinary Concrete

2012 ◽  
Vol 517 ◽  
pp. 606-610
Author(s):  
Sheng Dong He ◽  
Li Xin Liu ◽  
Qian Qian Li ◽  
Zhi You Zhang
Keyword(s):  
Compressive Strength ◽  
Elastic Modulus ◽  
Fine Aggregate ◽  
Replacement Rate ◽  
Replacement Ratio ◽  
Natural Sand ◽  
Manufactured Sand ◽  
Ordinary Concrete ◽  
Increasing Trend ◽  
The Relationship

Now, the resource of high quality natural sand is lacking. Manufactured sand is broken by rocks or tailings, which could be used in the mixture of cement concrete as fine aggregate instead of natural sand. The use of manufactured sand in concrete structure has become more and more important. It can make construction industry develop with environmentally friendliness and sustainability. In this paper, the elastic modulus strength was compared between manufactured sand concrete and ordinary concrete by testing on concrete specimens using the manufactured sand, the replacement ratios of manufactured sand by mass to the natural sand are 0, 0.30, 0.5, 0.70 and 1.0 respectively. The experimental research showed that the elastic modulus strength of manufactured sand concrete was stronger than that of natural sand and it had an increasing trend with the increasing of replacement rate and age but the elastic modulus of replacement rate of 50% was largest. This showed that the optimum replacement ratio was 50%.The fitting relations between elastic modulus and compressive strength was different with that of ordinary concrete. The relationship equation between elastic modulus strength and compressive strength of manufactured sand concrete was recommended in this paper. This could be used as a reference for the applications of the concrete using the manufactured sand as a fine aggregate in engineering.

Behaviour of Conventional Concrete Treated with Robo Sand and Iron Shavings

2021 ◽  
Vol 1019 ◽  
pp. 110-117
Author(s):  
D. Sathyanarayana ◽  
R. Padmapriya
Keyword(s):  
Matrix Material ◽  
Fine Aggregate ◽  
Natural Sand ◽  
Conventional Concrete ◽  
Total N ◽  
Manufactured Sand ◽  
The Matrix ◽  
Alternative Material ◽  
Construction Purpose ◽  
Land Sliding

This paper deals with impact of M-sand utilization rather than ordinary fine total (N-Sand) and iron shavings as far as volume of cement to improve the elastic nature of the matrix material. Basically, concrete is a composite material invented in ancient period for construction purpose. Out of the total volume of concrete 30% of volume filled with fine aggregate which is brought from digging of rivers, lakes, and canals, which causes serious tread to environment by land sliding. Now this research is carried out to identify the suitability of alternative material instead of natural sand. In this context manufactured sand produced from crushing of basalt stone is being replaced in various percentages as 0%, 20%, 40%, 60%, 80% and 100% in the place of natural sand for M25 Grade concrete. Also Iron shavings was added at 0%, 2%, 4%, 6%, 8% and 10% for total volume of concrete.

Sign in / Sign up

Export Citation Format

Share Document