sea sand as fine aggregate ppt

Sea shells used as partial aggregate replacement in ...

Nov 04, 2013· – The purpose of this paper is to examine the use of a waste marine sea shell product incorporated into a concrete mix as an aggregate replacement. Utilising shells reduces the storage of shell waste, also reducing the need for quarried aggregate and has potential benefits of adding a different material to a design mix concrete mix design for improved performance., – The test methods …

sea sand as fine aggregate in concrete project

Jan 15, 2016Aggregate serves as a reinforcement to add strength to composite materials such as concrete. Aggregates can be categorized into three groups fine aggregate, coarse aggregate, or all-in aggregate. Fine aggregate, such as concrete or masonry sand is defined as material that mostly passes through a 4.75 mm IS sieve.

ppt on quarry dust as fine aggregate in concrete

ppt on coal ash as a parial cement replacement - YouTube. 2 Dec 2013 ... Home Cement ppt on partial replacement of sand with quarry dust in ... Stone dust as partial replacement of fine aggregate …

EXPERIMENTAL STUDY ON CONCRETE USING SEA SAND AS …

the sea sand pumped from a distance of about ten kilometers is very suitable for building construction industry. This study is to experiment the suitability to use beach/sea sand as a substitute for river sand as fine aggregate for concrete. Keywords: Concrete, Sea sand and Fine aggregate. 1. INTRODUCTION

Use of sea sand as fine aggregate in concrete making

Concrete is a mixture of cement, coarse aggregates, fine aggregates or sand and water. The approximate ratios of these components are as below: Based on the ratios and the anticipated cement consumption in the country, the expected requirement of sand …

(PDF) SEA SAND AS FINE AGGREGATE FOR CONCRETE …

— In the present work, literature on the use of sea sand as replacement of fine aggregate has been studied. The chloride content in reinforced concrete according to various codes has been evaluated the chloride removal method have been studied. This

sea sand used for construction.pptx | Sand | Silicon ...

sea sand: mineral resources: salt. potassium. magnesium. sand and gravel. limestone and gypusm. water sea sand is an unique alternative raw material for construction industry tests on sea sand materials: tests on aggregate. chloride content test. corrosion on efflorescence test. concrete mix properties. mortar and plaster mix properties sea ...

Aggregate Safety Series: Dredging | Mine Safety and Health ...

This video focuses on training requirements and best practices for dredging operations that extract and process sand and gravel. Dredging is an aggregate mining activity, an operation usually carried out at least partly underwater, with the purpose of extracting material from the bottom and then sending it to the shore by pipelines or pontoon-mounted conveyor belts.

How can sea sand be used in concrete? - Quora

Apr 14, 2017· Sand is one of the major materials used in concrete mixture and work as fine aggregate that fills voids as well as helps in reducing shrinkage and cracking of concrete. For the purpose, river sand is used traditionally. However, in some areas, whe...

Aggregates for Concrete - Memphis

aggregates cannot be overemphasized. The fine and coarse aggregates generally occupy 60% to 75% of the concrete volume (70% to 85% by mass) and strongly influ-ence the concrete's freshly mixed and hardened proper-ties, mixture proportions, and economy. Fine aggregates (Fig. 5-1) generally consist of natural sand or crushed

What is the properties of Sea sand concrete?

Sea Sand concrete is a concrete that use sea sand as fine aggregate instead of normal sand. Concrete. Concrete Design. Share . Facebook. Twitter. LinkedIn. Reddit. Most …

AGGREGATE BLENDING, ABSORPTION, & SPECIFIC GRAVITY

Aggregate Blending, Absorption & Specific Gravity 20 Fine Aggregate Specific Gravity Calculations - Example Problem Given A = mass oven dry =489.3 B = mass of pycnometer filled with water = 666.5 C = mass pycnometer, SSD aggregate and water = 982.3 S = mass SSD aggregate = 500.1

SIEVE ANALYSIS OF FINE AND COARSE AGGREGATES …

For fine aggregate, no weight shall be in excess of 4 gm/in. 2 (7 kg/m 2). 3. Coarse Aggregates After the material has been sieved, remove each tray, weigh each size, and record each weight to the nearest 0.1 g. Be sure to remove any aggregate trapped within the sieve openings by gently working from either or both sides with a trowel or

Aggregates - Portland Cement Association

Aggregates are inert granular materials such as sand, gravel, or crushed stone that, along with water and portland cement, are an essential ingredient in concrete. For a good concrete mix, aggregates need to be clean, hard, strong particles free of absorbed chemicals or coatings of clay and other fine materials that could cause the ...

SAND, SAND ADDITIVES and SAND PROPERTİES

Properties of Molding Material Dry Strength - ` It is the strength of the molding sand in dry conditions. ` When the molten metal is poured in the mold, the sand around the mold cavity is quickly converted into dry sand as the moisture in the sand evaporates due to the heat of the molten metal. ` At this stage the molding sand must posses the sufficient strength to retain the exact shape of ...

Demand for sand: the largest mining industry no one talks ...

The majority of sand is used to make concrete, but the displacement of sand leads to the catastrophic destruction of coastal, sea bed and river ecosystems and topography. Continue reading below ...

IS 2386-2 (1963): Methods of test for aggregates for ...

2.3.5 In the case of mixtures of fine and coarse aggregates, the material shall be separated into two sizes on 4-75-mmIS Sieve, and the samples offine and coarse aggregates shall be prepared as described under 2.3.3 and 2.3.4-%.4 Procedure- The sample shall be spread in a thin layer on the bottom of the container and examined for clay lumps ...

Effects of Aggregate Size, Shape, and Surface Texture on ...

For impermeability, a uniformly graded aggregate with a sufficient quantity of fine sand, fine sand being considered more important in this respect than filler dust. For non-skid, a large quantity of the maximum size aggregate within the size limits used. For workability and freedom from segregation, a uniformly graded aggregate.

Types of Aggregates-Natural and Artificial Aggregates

The diameter of the sand particles ranges from 0.075mm to 4,75mm. The sand is used as the fine aggregates for the purpose of concrete making. 2.Gravel. The gravel is another type of aggregates and is mainly used for as coarse aggregates in concrete. Bank gravel, bench gravel and crushed stone are the examples of gravel.

(PDF) An experimental investigation on concrete with ...

The partial replacement of sea sand as fine aggregate in concrete was used in gradually increasing proportion to make concrete blocks and then compression and tensile tests are done at 7, 14, 28 ...

Aggregates ppt - SlideShare

Apr 28, 2013· 7(1) Fine Aggregates:Aggregates whose particles passthrough 4.75 mm IS sieve are termedas fine aggregates. Most commonlyused fine aggregates are sand (pit orquarry sand, river sand and sea sand)and crushed stone in powdered form,how ever some times sukhi and ash orcinder are also used. 7. 8(a) Sand:It consists of small angular orrounded grains ...

Sand - SlideShare

Apr 23, 2015· Crushed Stone Sand / Artificial Sand It is a substitute for River Sand, fine aggregates which manufactured by crushing either granite or basalt rock using 3 stage crushing process. 14. Classification on the basis of size of particles 15. Fine sand The sand passing through a sieve with clear openings of 1.5mm is known as fine sand.

Effect of replacement of natural sand by manufactured sand ...

Manufactured sand can be used as fine aggregate, but it has to satisfy the technical requisites. On this aspect research on cement mortar with manufactured sand is scarce, so this paper investigates the cement mortar produced with manufactured sand. 2. Materials Aggregate: - Locally available river sand as fine aggregate (4.75mm to 75 micron (0 ...

M Sand Vs River Sand (Natural Sand)

1 - 2% like sea shells, tree barks etc. Eco-Friendly. Though M Sand uses natural coarse aggregates to form, it causes less damage to the environment as compared to river sand. Harmful to the environment. Eco imbalances, reduce groundwater level and rivers water gets dried up. Price. M Sand price ranges from Rs.35 - Rs.45 per cubic feet in ...

EXPERIMENTAL STUDY ON CONCRETE USING SEA SAND AS FINE ...

Concrete is the most popular building material in the world. River sand has been the most popular choice for the fine aggregate component of concrete in the past, but overuse of the material has led to environmental concerns, the depleting of

Inspection & Sampling Procedures for Fine & Coarse …

1-2 5) Templates for belt sampling. Sample Reduction Equipment required for AASHTO T 248: 1) Mechanical splitters 2) Buckets Sieve Analysis Equipment required for AASHTO T 27 1) Sieves - for coarse aggregates 15 in. x 23 in. or 14 in. x 14 in. screens

How Cement, Sand and Aggregate ratio influence Concrete ...

For example, M20 grade of aggregate will have a higher A/C ratio than of M30; Higher the Aggregate/Cement ratio leaner the concrete mix, as cement content is lower. Concrete mix can be made more workable by fine tuning Aggregate/Cement ratio. The same is governed by particle size and shape of aggregate used.

IS 383 (1970): Specification for Coarse and Fine ...

Sep 25, 1970· 2.1.1 JVuttrral Sand - Fine aggregate resulting from the natural disinteg- ration of rock and which has been deposited by streams or glacial agencies. 2.1.2 Crushed Stone Sand - Fine aggregate produced by crushing hard stone. 2.1.3 Crushed Grace1 Sand - line aggregate produced by crushing natural gravel. .

Lecture 4. Aggregates - Aalto

Fine aggregates content usually 35% to 45% by mass or volume of total aggregate (b) CIV-E1010 Building Materials Technology (5 cr) (6/27) (a) Figure 5. Aggregates' size classification, (a) fine aggregates and (b) coarse aggregates. ... Some categories of aggregates, such as sand and gravel, undergo complementary processing including

artificial Sand as Fine aggregates Ppt

sand as fine aggregates ppt 80-100TPH Stone as fine replacement of river sand by crushed sand sea sand as fine aggregate.ppt . Utilization of Stone Dust as Fine Aggregate Replacement in . Utilization of Stone Dust as Fine Aggregate The replacement of fine aggregate with stone dust does not give any harm on strength, it gives beneficial.

sea sand as fine aggregate in concrete project

sea sand as fine aggregate in concrete project. Jan 15, 2016Aggregate serves as a reinforcement to add strength to composite materials such as concrete. Aggregates can be categorized into three groups fine aggregate, coarse aggregate, or all-in aggregate. Fine aggregate, such as concrete or masonry sand is defined as material that mostly passes ...

Grading of Aggregate and Fineness Modulus of grading of ...

The sieves used of concrete aggregate consist of a series in which the clear openings or sieves are 4.75 mm, 10 mm, 20 mm, 40 mm, 80 mm, for coarse aggregates, 2.36 mm, 1.18 mm, 600 microns, 150 microns, for fine aggregates. When as consecutive opening sizes are constantly doubled, the lines at equal intervals represent successive sizes on a ...

Types of Sand - A Civil Engineer

Very Fine Sand. If the grain size of the sand between 0.0625 mm to 0.125 mm then it is called very fine sand. Fine Sand. The grain size of this type of sand is between 0.125mm to 0.25mm. Medium Sand. If the grain size of the sand between 0.25mm to 0.50mm that is the medium sand. Coarse Sand. This type of sand's grain size is between 0.50mm to ...