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Request PDF | Effect of artificial sand on fresh characteristics of self-compacting geopolymer concrete | Self-compacting geopolymer concrete (SCGC) is an advanced concrete that reduces both ...
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Effect on Properties of Concrete Using Agro-West as Replacement of Sand Soudagar Ahemad Mohamadali Department of Civil Engineering ,MS Bidve Engineering Collage Latur,Maharashtra,India -----***----- Abstract - High demand of natural resources due to rapid urbanization and the disposal problem of agricultural wastes in developed countries have ...
This research includes study the effects of use the silica sand at different rates and comparison some characteristics with other concrete mixture contains ordinary sand to investigate the effect ...
EXPERIMENTAL STUDY OF EFFECT OF ARTIFICIAL SAND AND. 5. Concrete with artificial sand and aggregates design results are satisfactory. 6. Cube strength of Narmada sand concrete is found to be less then artificial sand. 7. Workability is more in case of natural sand made concrete as compared to artificial sand. Results obtained after
Oct 12, 2019· An experimental program was designed for suitability check for Artificial Sand means Manufactured Sand and Metakaolin in Concrete. Investigation on the concrete properties at Manufactured Sand of 0%, 35% and 65% at different proportions of Metakaolin. ... The effect of fibres on the properties of concrete with oil contaminated sand.
content also has adverse effect of the strength of concrete due to poor adhesion. Researchers have therefore develop various models for predicting the effect of sand fines and W/C on the strength of concrete. However, there is a gap in literature for the combined effect of sand fines and water/cement ratio’s effect on the properties of concrete.
The artificial sand have to satisfy the technical requisites such as workability, strength and durability of concrete and hence it has become necessary to study these properties in order to check the suitability and appropriate replacement level of artificial sand in comparison with the natural sand for producing concretes in an economical way
replacement of quarry dust by natural sand as 10%, 20% and 30% on the strength properties of concrete. 1.2. Scope The study was focussed on the following aspect:in this experimental study, the effect of quarry dust in ordinary concrete in terms of compressive strength and flexural strength had …
This paper studies the early mechanical properties of artificial sand concrete, we found by comparison with natural sand concrete that the slump of artificial sand concrete were increased by 85%, and the strength 0f 16h and 1d and3d were increased by 23.4% and 20% and 11%. Therefore, artificial sand can significantly improve the workability of concrete mix, improve the early strength of concrete.
effect of M -sand as a fine aggregate in high strength concrete and compare the results with the River sand. The scope of the present investigation can be summarized as follows: ¾ To study the effect of workability and the str ength of concrete with the replacement of M -sand by river sand, at an addition of silica fume with cement.
as a substitute for natural sand on the properties of concrete, when an extra 5%, 10%, 15%, 20%, 25% and 30% weight of cement was added. First, M-35 grade concrete was casted and tested; using a fixed percentage of 70% sieved coal bottom ash and 30% natural sand. The water cement ratio was maintained at 0.45. Then various tests
Effect of Manufactured Sand on Durability Properties of Concrete Nimitha. Vijayaraghavan1, Dr. A.S. Wayal2 1(Department of civil and environmental engineering, V.J.T.I., India) 2(Department of civil and environmental engineering, V.J.T.I., India) Abstract: - Volume of concrete consumed by the construction industry is very large. In India ...
of concrete intact with artificial sand there is need to emphasize on the properties of concrete by replacing natural sand with artificial sand. Keywords-Natural Sand, Artificial Sand, Compressive Strength, Crack Pattern, Concrete. I- INTRODUCTION I n India the conventional concrete is produced by using natural sand obtained from the river beds ...
[4] Rafat Siddique, Geert de Schutter, Albert Noumowe, “Effect of used foundry sand on the mechanical properties of concrete”, Construction and building materials, 2009, Pg. No. 976 to 980. [5] Her-Yung Wang, “A study of the effects of LCD glass sand on the properties of concrete” Waste Management, 2009, Pg. No. 335 to 341
properties of concrete. In the present study, effect of foundry sand as fine aggregate replacement on the compressive strength, split tensile strength and modulus of elasticity of concrete having mix proportions of M 25 grade was investigated. Fine aggregates were replaced with three percentages of foundry sand.
NITHYA et al.: PROPERTIES OF CONCETE CONTAINING WASTE FOUNDRY SAND 163 microstructural properties of concrete with WFS. Pathak et al.12 studied the effect of elevated temperatures on properties of self-compacting concrete containing spent foundry sand. Kraus et al.13 reported the use of WFS in manufacturing self-consolidating concrete.
50% and 70%) of natural sand by stone dust in concretes, evaluating the mechanical properties (compressive and tensile strengths), water absorption by capillarity and carbonation. The results showed that with 70% of replacement there was a reduction of 30% in relation to reference due to the shape of lamellar artificial sand. In addition,
Abstract: Concrete is a building material made from a mixture of broken stone or gravel, sand, cement, and water. The natural sand deposits across the world are over drying up, there is an acute need for a product that matches the properties of natural sand in concrete. In the last 15 years, it has become clear that the availability
considering the quantitative effects on the properties of the concrete. The data developed indicate that for a given fine aggregate, as the sand equivalent value changes from 60 to 80, the concrete properties will exhibit the following changes. l. Gain in 7-day compressive strength of 15%. 2. Gain in 28-day compressive strength of 16%. 3.
Effect ofAggregate Properties onAsphalt Concrete Mixes ABDULRAHMAN S. AL-SUHAIBANI Civil Eng. Dept., College ofEng., King Saud University, Riyadh, Saudi Arabia ABSTRACf. The City ofRiyadh haswitnessed a hugeexpansionduring the last decade. So, roads and streets had to be built to serve the newly-built communities.
2.3 Effect of Silica Fume on the Fresh Properties of Cement/Mortar/Concrete Rheological properties of a fresh cement paste play an im-portant role in determining the workability of concrete. Table (2-3): Typical physical and chemical properties Fly ashGGBS Silica fume Fineness (m /kg) 450 350 to 550 15,000 to 35,000 Bulk density (kg/m) 1300 ...
type concrete, in most cases, has better properties over the normal concrete: this type is more technological, and all properties of this type of concrete are similar or better. In addition, the over-mortared concrete mix is more economi-cal due to its composition, which allows us to save the coarse aggregates without overdosing the cement.
Mar 16, 2012· Shape And Size Effect On Concrete Strength. Aggregates shape and size has a strong influence on properties of concrete. Rough surface textured particles increase the compressive strength of concrete up to 20-30%, instead of using natural gravels that is obtained from river beds. Rough surface have pores which have ability to form bond or create ...
the natural sand can be replaced with artificial sand up to a maximum replacement level of 60% in order to produce concrete of satisfactory workability and compressive strength and also with cracks of lesser areas. Key words: Natural sand, artificial sand, compressive strength, crack pattern.
Effect of replacement of natural sand by manufactured sand on the properties of cement mortar Priyanka A. Jadhav, Dilip K. Kulkarni International Journal of Civil and Structural Engineering 622 Volume 3 Issue 3 2013 Amnon and Hadassa, 2006: studied the effect of high levels of fines content on concrete properties.
as kiln feed in the manufacture of Portland cement. An attempt has been made to examine the effect of replacing sand with foundry sand on concrete properties relating to strength. II. MATERIALS AND PROPERTIES 2.1 Cement Cement is the most important ingredient of concrete. One of the important criteria for the selection of cement is
Apr 01, 2019· With the growing concern of awareness regarding sustainable building materials and environmental issues, a number of people have resorted to using soil-cement stabilized blocks (SCSBs) as an alternative for burnt bricks. However, these stabilized blocks are also known for their high-water absorption capacity during wet seasons which affects their strength and durability.
effect of w/c ratio and admixtures on the characteristics of hollow concrete blocks. Quarry dust from three different sources were procured and tested before using the same for the research program. The results obtained for quarry were compared with that of the sand. Table I shows the properties of sand and the three types of quarry dust tested.
Abstract. Abstract ： This paper studies the early mechanical properties of artificial sand concrete, we found by comparison with natural sand concrete that the slump of artificial sand concrete were increased by 85%, and the strength 0f 16h and 1d and3d were increased by 23.4 % and 20 % and 11%.
both physical and strength properties of the resultant concrete. Water, cement, fine aggregates, coarse aggregates and any admixtures used should be free from harmful impurities that negatively impact on the properties of har-dened concrete. Sand is one of the normal natural fine aggregates used in concrete production e- [1]. Past r
mechanical properties of the concrete have been investigated. For this purpose four different series of concrete-mixtures were prepared by replacing the fine sand (passing 0.25 mm sieve) with WMD at proportions of 0, 25, 50 and 100% by weight. In order to determine the effect of the WMD on the
A concrete mix of ratio 1:2:4 by volume was used as control; to which the properties of the other mixes were compared. Sawdust was used to replace sand at percentages of 25%, 50%, 75% and 100% by volume. A water cement ratio of 0.55 was adopted. Concrete was produced by mixing the constituent raw materials in an electric concrete mixer.
A research program was initiated on the utilization of large quantities of fly ash Class F of marginal-quality in concrete as partial fine-sand replacement. The present paper studies the effect of such replacement on the properties of fresh concrete. The mechanical properties of the hardened concrete will be presented in another paper.
EFFECTS OF SALT WATER ON CONCRETE – CIVIL ENGINEERING PROJECT TOPICS. Concrete is an artificial engineering material made from a mixture of Portland cement, water, fine and coarse aggregates, and a small amount of air. It is the most widely used construction material in the world.
Mar 05, 2015· This paper presents the results of an experimental investigation into the effects of sieved coal bottom ash (SCBA) as a replacement for natural sand on the properties of concrete. The compressive strength, split tensile strength, flexural strength and water permeability were studied.
To determine the effect on properties of concrete mixes which are modified by adding 10%, 15% and 20% and 25% of glass powder and steel powder as partial replacement of sand. To study the variation of properties when ingredients are mixed in M20 proportions.
Title: EFFECT OF WASTE FOUNDRY SAND ON THE DIFFERENT PROPERTIES OF CONCRETE Author: Rampyari Created Date: 10/30/2019 7:39:44 PM
The purpose of this research is to experimentally investigate the effect of M-Sand in structural concrete by replacing river sand and develop a high performance concrete. It is proposed to determine and compare the differences in properties of concrete containing river sand and M-sand.
6.1 Effect of w/c 92 6.2 Effect of Sand Type 94 6.3 Effect of Sand Content 95 6.4 Effect of Sand Size 97 6.5 Effect of Sand Gradation 99 6.6 Flow Table Test and Rheological Parameters 100 6.7 Results and Discussion 102 CHAPTER 7. CONCRETE RHEOLOGY TEST RESULTS 103 7.1 Effect of Coarse Aggregate Content 103
The artificial aggregate prepared in the study belongs to normal weight aggregate. The compressive strength of concrete having a water cement ratio 0.45 and containing artificial aggregate is found to be varying from 20 MPa to 30 MPa. The use of coal fired ash in concrete has also been investigated by Singh and Siddique (2014), The
Size, shape, texture play an important role in workability of concrete. With more surface area of sand, the demand for cement and water increases to bond the sand with coarse aggregates. The control over these physical properties of manufacturing sand make the concrete require less amount of water and provide higher workable concrete.
Both concrete made using artificial sand and natural sand are moderate to chloride permeability. In water absorption test we observed after 24 hours curing, the increase in weight of both natural sand and artificial sand blocks are less than 3% that means both concrete are …
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