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artificial sand in comparison with the natural sand for producing concretes in an economical ... 20%, 40%, 60% and 80% using artificial sand. The mixing of
Read More— This paper give the experimental study of optimum replacement of natural sand with artificial sand in concrete Concrete may be a combine proportion of cement
Read MoreArtificial sand of grading zone-II as per IS 383:1987 was used. Physical properties of river and artificial are shown in table 2. Details of sieve analysis for
Read MoreThe promotional use of artificial sand will conserve the natural resources for the sustainable development of the concrete in construction industry. ... The
Read Moreof concretes prepared with two different cement types i.e. PPC and PSC with manufactured sand and natural sand as aggregate for four different water-cement (w/c)
Read MoreDec 01, 2020 Identification of sands of dune and concretes using a granular model - Case of arid region - ... whether natural or artificial aggregate, in order to obtain good
Read MoreApr 01, 2008 So the rubberized concretes were used through deducting in certain volumes the fine and coarse aggregate from the non-rubberized concrete and using in the same
Read MoreAug 10, 2021 Sharp sand, like a brick sand is ideal as the sharp edges of the sand allow for a very strong finished product. Using tumbled sand where the sharp edges have
Read MoreRequest PDF Modelling the effects of petroleum product contaminated sand on the compressive strength of concretes using fuzzy logic and artificial neural
Read MoreThe current paper deals with the numerical prediction of the mechanical response of asphalt concretes for road pavements, using artificial neural networks (ANNs).
Read More1 天前 A comparative study on the permeability properties of concretes incorporating artificial and natural aggregates. ... A global sand shortage could cause damaging effects to our rapidly urbanizing ...
Read Moreof concretes prepared with two different cement types i.e. PPC and PSC with manufactured sand and natural sand as aggregate for four different water-cement (w/c) ratios have been undertaken using an artificial neural network (ANN). The predicted strength was
Read MoreSand is an inert element essential in the composition of concrete; its use ensures granular continuity between the cement and gravel for better cohesion of concrete.
Read Moreuse of neural networks is effective in the prediction of the compressive strength of concrete made from crude oil impacted sand. Topçu and Sarıdemir [9] used artificial neural networks and fuzzy logic models for predicting the 7, 28 and 90 days compressive strength of concretes containing high-lime and low-lime fly
Read MoreAug 10, 2021 Sharp sand, like a brick sand is ideal as the sharp edges of the sand allow for a very strong finished product. Using tumbled sand where the sharp edges have been removed such as with play sand will result in a substantially weaker mortar mix. Using tumbled sand would be similar to attempting to glue rubber balls together.
Read Moreprocessed concretes using artificial neural network and regression techniques Mürsel Erdal Gazi University, Technical Education Faculty, Construction Department, 06500, Teknikokullar, Ankara, Turkey. E-mail: [email protected] Tel: +90 312 2028870. Fax: +90 312 2120059 Accepted 28 August, 2009
Read MoreThe EU-funded SMARTSAND project developed Lypors™, an advanced engineered, artificial sand material manufactured from fly ash for use in the construction industry. “It is a superior and cost-effective alternative to natural sand, crushed stones and lightweight fine aggregates, for use in the manufacture of advanced building material ...
Read MoreAn effort has been made to develop concrete compressive strength prediction models with the help of two emerging data mining techniques, namely, Artificial Neural Networks (ANNs) and Genetic Programming (GP). The data for analysis and model development was collected at 28-, 56-, and 91-day curing periods through experiments conducted in the laboratory under standard controlled conditions.
Read MoreArtificial grass infill is a layer of sand, synthetic materials designed to create a beneficial layer that rests on the turf backing at the base of the synthetic grass blades. Sports fields have been using recycled rubber crumbs for decades for performance and shock absorption.
Read MoreThe authors applied the trained feed-forward back propagation ANNs by using the data obtained from the experimental damage case (Sahin and Shenoi, 2003).In the study performed by Kelesoglu et al. (2005), the thickness of the insulation material was fixed by using a multi-layer feed-forward artificial
Read MoreMortars, plasters, stuccos, artificial marbles, concretes, portland cements and compositions : being a thorough and practical treatise on the latest and most improved methods of preparing and using limes, mortars, cements, mastics and compositions in constructive and decorative work, including a practical treatise on reinforced concretes
Read MoreMay 31, 2021 However, there is a way to reduce the negative effects of artificial sand and make its use economically viable. Especially in concretes without natural sand, one solution is to use concrete additives that reduce the friction between the particles. Two
Read MoreJun 04, 2018 Plastic concrete is an engineering material, which is commonly used for construction of cut-off walls to prevent water seepage under the dam. This paper aims to explore two machine learning algorithms including artificial neural network (ANN) and support vector machine (SVM) to predict the compressive strength of bentonite/sepiolite plastic concretes. For this purpose, two unique sets of 72 ...
Read MoreApr 01, 2021 In this exploratory study, the shear strength of blended cement concrete made using the hydrated lime (HL) as an admixture was studied. 120 shear strength values were experimentally obtained for several mix ratios at 7, 14, 21, and 28 days. This concrete was put together from water, portland cement (PC), HL, river sand (RS), and granite chippings (GC). 96 of the results were utilized to ...
Read Moreconcretes using artificial sand Modeling the Effect of Crude Oil Impacted Sand on the . A network of the feedforward-type artificial neural networks (ANNs) was used to predict the compressive strength of concrete made from crude oil contaminated soil samples at 3, 7, 14, 28, 56, 84, and 168 days at different degrees of contamination of 2.5%, 5
Read MoreEvaluated also was the effect of replacing 5% of the cement by silica fume in the concretes with artificial sand. The only parameter set for grain structure was the ratio of b/agg, which in this case was 1:3. The scope of the present research is limited to some mechanical properties. Other properties like those related to durability and long ...
Read More1 天前 A comparative study on the permeability properties of concretes incorporating artificial and natural aggregates. ... A global sand shortage could cause damaging effects to our rapidly urbanizing ...
Read MoreApr 15, 2021 ABSTRACT Nowadays, to reduce CO2 emission and depletion of natural resources, the partial replacement of cement by ground granulated blast furnace slag (hereafter GGBFS) and fly ash (hereafter FA) in concrete has been paid much attention. This study focused on an experimental examination of the mechanical properties of eco-fine-grained concrete using saline sand replacement
Read Moreto the declining availability of natural sand to make eco-balance. Manufactured sand is one among such materials to replace river sand, which can be used as an alternative fine aggregate in mortars and concretes. The use of manufactured sand in concrete is gaining momentum these days.
Read Morelimestone sand and 80% of river sand by weight, and the coarse aggregate was the river gravel. They were obtained from natural source. The specific gravity of crushed limestone sand, river sand and river gravel was 2.43, 2.65 and 2.71, respectively. Their physical properties and sieve analysis results are presented in Table 2. Commercially ...
Read MoreApr 18, 2020 Since the amount of sand making machine is falling and more and more policies are set to protect the natural sand, the market for artificial sand (that is, sand and gravel aggregates processed by industrial sand making machines such as sand making machines and impact crushers) has shown great potential and vitality. Especially in recent years, the demand for the construction market has ...
Read MorePlace adhesive/glue on the concretes surface approximately 4’ the entire length of section. Slowly roll section #1 down on the glued surface. Use a water roller and slowly roll the top of the synthetic turf over the glued area. Follow these steps for the next 4’of glue
Read MoreThe Greeks on the other hand were using cement by 600 B.C., when Greek builders discovered a natural pozzolan that developed hydraulic properties when mixed with lime. It was the Romans, however, who used cement in large amounts, for huge building projects. Early Roman use
Read MoreOct 26, 2020 Option 1: Crushed Miscellaneous Base/Class II Road Base. Crushed miscellaneous base, or CMD, is a sand and gravel mix often used in residential landscaping projects. It’s more budget-friendly than other options for your aggregate base for artificial grass. You may also see an option for class II road base, similar to CMD, but more compact.
Read MoreJan 01, 2018 Analysis of the Mechanical Behaviour of Asphalt Concretes Using Artificial Neural Networks. Link/Page Citation 1. Introduction In order to design a road superstructure, the so-called pavement, two main tasks have to be accomplished, namely, the mix design of the asphalt concrete to be used for each of the layers of the pavement and the ...
Read MoreApr 01, 2021 In this exploratory study, the shear strength of blended cement concrete made using the hydrated lime (HL) as an admixture was studied. 120 shear strength values were experimentally obtained for several mix ratios at 7, 14, 21, and 28 days. This concrete was put together from water, portland cement (PC), HL, river sand (RS), and granite chippings (GC). 96 of the results were utilized to ...
Read MoreMay 31, 2021 However, there is a way to reduce the negative effects of artificial sand and make its use economically viable. Especially in concretes without natural sand, one solution is to use concrete additives that reduce the friction between the particles. Two
Read MoreThe use of artificial masonry similar to modern concrete dates from a remote period but did not become a standard technique of construction until the Romans adopted it (after the 2d cent. B.C.) for roads, immense buildings, and engineering works. ... are normally made with sand as the sole aggregate, whereas concretes contain much larger ...
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