alternative of fine aggregates in concrete pdf


23 23°C 73 4 73 4°F and absorption of fine aggregate 1 2 This method determines after 15 h in water the bulk specific gravity and the apparent specific gravity the bulk specific gravity on the basis of weight of saturated surface-dry aggregate and the absorption as defined in AASHTO M 132


100 concrete sand 100b concrete sand prattville al 1522 95 2 609 2 625 0 6 97 43 97 1727 10174 coastal sand and gravel inc sources of coarse and fine aggregate approved 3 8 1988 revised 11 20 2019 page 9 of 55 id number source name location loose unit mass


Aug 11 2018· It includes gravel crushed stone sand slag recycled concrete and geosynthetic aggregates 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 deterioration of concrete SIZES OF AGGREGATE

Aggregates for Concrete - Civil Engineering

26 reveal that the fine aggregate in concrete replaced with 75 quarry dust waste gives the required compressive strength for construction industry Obilade 15 studied the presence of rice husk as fine aggregates in concrete The percentage replacement was 0 5 10 15 20 and 25

Crushed rock sand An economical and ecological

Carbonate Aggregate in Concrete May 2015 6 7 Author s 8 Performing Organization Report No Fatih Bektas Kejin Wang and Jiaxi Ren 9 Performing Organization Name and Address 10 Project Task Work Unit No Institute for Transportation Iowa State University 2711 S Loop Drive Suite 4700 Ames Iowa 50011-8664 11

Different Types Sizes of Aggregate for Concrete

fines modulus FM for fine aggregates shall not be less than 2 3 or more than 3 1 ASTM C33 2000 24 Fine aggregates with FM below 2 3 produce concrete with higher cement requirements if w c is kept constant Similarly fine aggregates with FM greater than 3 1 results in harsh concrete …

Carbonate Aggregate in Concrete

Apr 28 2013· It is usuallyconsidered to be the best fine aggregatefor use in mortar and concrete i Pit or quarry sand 9 10 ii River Sand It is obtained from the banks andbeds of rivers It may be fine orcoarse Fine sand obtained frombeds and banks of rivers is oftenfound mixed with silt and clay so itshould be washed before use

Recent Trends in Replacement of Natural Sand With

are completely depleted it is better to choose other alternative resources for binder fine aggregate and coarse aggregate There are many alternative resources like fly ash marble powder GGBS recycled aggregates etc in this context it s better to choose the locally available materials for replacement

A Study of Concrete Made with Fine and Coarse Aggregates

This paper deals with the possibility of using fresh concrete waste as recycled aggregates in concrete An experimental program based on two variables proportion of fine aggregates replacement and proportion of coarse aggregates replacement was implemented The proportions of replacement were 0 50 and 100 by mass of aggregates


The crushed stone or crushed gravel aggregate make the asphalt or concrete mix somewhat difficult to place To improve the workability many mixes contain both angular and round particles The coarse aggregate particles are usually crushed stone or crushed gravel and the fine aggregate particles are usually natural sand


Suitability of Crushed Cow Bone as Partial Replacement of Fine Aggregates for Fine aggregate was replaced with CCB by weight up to 100 at intervals of 10 The properties investigated were workability density and the compressive strength Suitability of Crushed Cow Bone as Partial Replacement of Fine Aggregates for Concrete Production

Studies on the Utilization of Alternative Fine Aggregate

of concrete production This Briefing provides designers builders and owners with information on the sustainable performance of concrete materials demonstrating that concrete is truly the responsible choice for sustainable development concrete constItuents Concrete is the most commonly used construction material in the world today


crushed aggregate requires slightly higher values Fine aggregate content is usually 35 to 45 by mass or volume of the total aggregate content CHARACTERISTICS OF AGGREGATES The important characteristics of aggregates for concrete are listed in Table 5-2 …

Concrete aggregate alternatives - Appropedia The

improvement in mechanical properties of the conventional concrete due to the addition or replacement of fine sand with efficient alternatives KEYWORDS Concrete Natural sand Alternative materials Quarry dust Foundry sand Mechanical properties I I INTRODUCTION Concrete is that pourable mix of …

Egg Shell As A Fine Aggregate In Concrete For Sustainable

1 Expanded Polystrene EPS EPS balls are used as an aggregate instead of the crushed stone that is used in regular concrete it known as EPScrete EPS concrete or lightweight concrete It has been used as road bedding in soil or geo-stabilizat

3 Aggregate Properties - Indiana

The cost of concrete can be decreased by increasing the amount of crushed stone sand The price can further be lowered by including the PFA in mix e Besides being a cost effective alternative use of CRS as fine aggregates in concrete helps in sustaining the ecological balance

What material can I use as a replacement of coarse

aggregate In the laboratory test conventional fine aggregate was replaced at 100 replacement level A total of 18 cubes were cast cured and tested The strength development of the concrete mixes containing egg shell aggregates was compared to that of conventional concrete with sand as fine aggregate

Fine Aggregate Definition Size Density and Properties

coarse aggregate along with fineness modulus of the fine aggregate will determine how low the fine to total aggregate percentage can be for a given workability requirement MIXING PROPORTIONING Once the cement content pozzolan content water cementitious ratio and fine to total aggregate percentage are defined for the concrete s intended

Sustainable Concrete Materials - CCAA

Natural sand is most commonly used fine aggregates in the production of concrete possess the problem of acute shortage in many areas Quarry dust can be used as an economic alternative to the natural sand In this investigation an attempt is made to

What are other alternatives for aggregates in concrete

Fine aggregate is the essential ingredient in concrete that consists of natural sand or crushed stone The quality and fine aggregate density strongly influence the hardened properties of the concrete The concrete or mortar mixture can be made more durable stronger and cheaper if you made the selection of fine aggregate on basis of grading zone particle shape and surface texture abrasion

Aggregates in Concrete

Many agricultural waste materials are already used in concrete as replacement alternatives for cement fine aggregate coarse aggregate and reinforcing materials This paper reviews some of the agro-waste materials which are used as a partial replacement of fine aggregate in concrete

Replacement of Natural Sand with Efficient Alternatives

flexural strength slump test absorption test It is expected that concrete which made of glass concrete aggregate 16 less strength in compression flexure than conventional concrete This paper intend to recommends that recycle glass can be used as an alternate coarse aggregate in concrete and will have wide applications in aesthetic workings

PDF Studies on Quarry Dust as Partial Replacement of

plastic materials along with the study of the some of the physical properties that are related Usually M20 grade of the concrete is the most commonly used in the constructional works hence in this study M20 cement concrete is considered in which the recycled plastic waste is used as the replacement of fine aggregate in the concrete

Specific Gravity and Absorption of Fine Aggregate

alternatives such as offshore sand quarry dust and filtered sand have also been made W P S Dias et al 2008 2 Physical as well as chemical properties of fine aggregate affect the durability workability and also strength of concrete so fine aggregate is a most important constituent of concrete and cement mortar Generally

Aggregates ppt - SlideShare

Concrete Technology Aggregates for Concrete Concrete Technology Aggregates in Concrete Concrete Technology 2 Definitions and Importance of Aggregates Aggregate is a rock like material Used in many civil engineering and construction applications including Portland cement concrete Asphalt concrete Base materials for roads


STUDY OF CONCRETE DOSAGE WITH USE OF PET PARTIALLY REPLACING FINE AGGREGATE José Bezerra da Silva1 a Concrete Concrete Dosage Aggregate Alternative Materials ABSTRACT PET is the best and most resistant plastic to the production of packaging to beverages water 3 1 2 Fine Aggregate Physical Characterization

PDF Effect of fine aggregate replacement with Class F

In this work alternate source for cement and fine aggregate as rice hush ash is used A comparative study on properties of concrete when cement and fine aggregate are partially replaced by rice husk ash Percentage replacement of cement with RHA is kept as constant at 10 and fine aggregate is replaced at …