# compressive strength of crushed concrete using as aggregates

### COARSE AGGREGATES IN HIGH STRENGTH CONCRETE

coarse aggregates in high strength concrete Given the critical role that the interfacial transition plays in highstrength concrete, the mechanical properties of coarse aggregate will have a more pronounced effect than they would in conventionalstrength concrete.

(Get price)### Compressive Strength of Concrete Using Sawdust as Aggregate

compressive strength were 57.5%, 68.1%, 83.7%,and 87.3% respectively. The results of the study indie that both the density and compressive strength of concrete decreased as the percentage replacement increased but replacement of sand by sawdust produced a higher percentage reduction in compressive strength than in density.

(Get price)### Effect of Crushed Waste Ceramic Tiles (CWCT) as Partial

Mar 31, 2018 · The crushed waste ceramic tiles were substituted in place of fine aggregates in the following percentages (0%, 20%, 25%, 30% 35% and 40%) in the concrete mix. The water /cement ratio used was 0.6. The compressive strength of the concrete cast with the above partial replacement of fine aggregate were determined after, 7 and 28 days age of curing.

(Get price)### PROPERTIES OF HARDENED CONCRETE USING CRUSHED

used in this investigation. Compressive strength, splitting tensile strength and pulse velocity of crushed clay brick aggregates concrete were determined and compare to natural aggregate concrete. The compressive strength of crushed clay brick aggregates concretes were always lower than the compressive strength of natural aggregates concrete

(Get price)### Effect of Using Crushed Limestone in Concrete Mixes as

The use of crushed limestone as fine aggregate in concrete effect properties of both fresh and hardened concrete,such as workability and compressive strength, with comparison of concrete made with natural sand. The reason for such influences is due to difference in properties of two types of fine aggregate. Crushed rock fine aggregate had rough

(Get price)### Compressive Strength of Concrete with Recycled Glass as

Compressive Strength of Concrete with Recycled Glass as Partial Aggregate Replacement and 70% fine aggregate + 15% size 300 micron crushed glass + 15% size greater than 300 micron crushed glass (Sample 3). The compressive strengths of the concrete samples with recycled glass are higher than the control samples at all ages of 7, 28, 56 and

(Get price)### Use of RECYCLED AGGREGATES In CONCRETE A Paradigm Shift

The development of compressive strength of recycled aggregate concrete at the age of 1,3,7,14,28, 56, and 90 days the development of tensile & flexural strength at the age of 1,3,7,14 and static modulus of elasticity at the age of 28 days are investigated.

(Get price)### The Effect of Aggregate Size on the Compressive Strength

An experiment was conducted to determine the effect of aggregate size on the compressive strength of concrete. The experiment had three treatments, which were the aggregate

(Get price)### Utilization of Industrial Waste Slag as Aggregate in

aggregates. The study concluded that compressive strength of concrete improved almost all the % replacements of nor mal crushed coarse aggregate with crystallized slag by 5% to 7%. In case of replacements of fine aggregate and both type of aggregates, the strength improvements were notably noticed at 30% to 50% replacement level. It could also be

(Get price)### compressive strength of crushed concrete using as aggregates

Compressive Strength of Concrete Using Sawdust as Aggregate. concrete, but the crushed clay brick aggregates concrete showed better performance as the age of concrete increases and average reduction in compressive strength were 33.5% at the age of 7 days but it becomes only 20% at the age of 56 days compared to natural aggregates concrete.

(Get price)### Strength and stiffness of compacted crushed concrete aggregate

A comprehensive series of drained triaxial compression tests were performed on crushed concrete aggregate (CCA) moist as compacted. When compared to ordinary natural wellgraded gravelly soils, the peak strength and stiffness increase more significantly with dry density, while the effect of the degree of saturation during compaction is much less significant.

(Get price)### FROST RESISTANCE OF CONCRETE WITH CRUSHED BRICK

Concrete on the basis of crushed brick aggregate has satisfactory compressive and tensile strength and thermal insulating properties but shows weaker resistance to water and frost action and has greater shrinkage by 2060% than ordinary concrete [1,6,7,8,14,15].

(Get price)### Effect of Aggregates On Strength Of Concrete Engineering

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 2030%, instead of using natural gravels that is

(Get price)### Effect of Crushed Tiles Aggregate and Oil Palm Additive on

The use of waste material as aggregates in civil engineering appliions is beneficial and is becoming increasingly desirable because it reduces the environmental impact and economic cost of quarrying operations, processing, and transportation. Thus, this study focused on establishing the effect of crushed tile and oil palm fibre additive on the compressive and flexural strength of concrete.

(Get price)### Recycled Aggregates Portland Cement Association

The concrete itself becomes aggregate and any embedded metals can be removed and recycled as well. As space for landfills becomes premium, this not only helps reduce the need for landfills, but also reduces the economic impact of the project. Moreover, using recycled concrete aggregates reduces the need for aggregates.

(Get price)### COMPRESSIVE STRENGTH OF CONCRETE USING LATERITIC

COMPRESSIVE STRENGTH OF CONCRETE USING LATERITIC SAND AND QUARRY DUST AS FINE AGGREGATE Joseph O. Ukpata1, Maurice E. Ephraim2 and Godwin A. Akeke1 1Department of Civil Engineering, Cross River University of Technology, Calabar, Nigeria 2Department of Civil Engineering, Rivers State University of Science and Technology, Port Harcourt, Nigeria

(Get price)### Use of RECYCLED AGGREGATES In CONCRETE A Paradigm Shift

The development of compressive strength of recycled aggregate concrete at the age of 1,3,7,14,28, 56, and 90 days the development of tensile & flexural strength at the age of 1,3,7,14 and static modulus of elasticity at the age of 28 days are investigated.

(Get price)### The Use of Ceramic Tile Waste as Aggregate in Concrete

the compressive strength and splitting tensile strength are higher than those of the reference concrete. The use of recycled ceramic as fine aggregate increases both splitting tensile strength and compressive strength significantly [2]. Torgal et al. [3] studied the chemical and physical characteristics of crushed ceramic waste from

(Get price)### PROPERTIES OF HARDENED CONCRETE USING CRUSHED

used in this investigation. Compressive strength, splitting tensile strength and pulse velocity of crushed clay brick aggregates concrete were determined and compare to natural aggregate concrete. The compressive strength of crushed clay brick aggregates concretes were always lower than the compressive strength of natural aggregates concrete

(Get price)### A Comparative Analysis of Concrete Strength Using Igneous

A Comparative Analysis of Concrete Strength Using Igneous, Sedimentary and Metamorphic Rocks (Crushed Granite, Limestone and Marble Stone) As Coarse Aggregate written by Theophilus Yisa Tsado published on 2013/09/12 download full article with reference data and citations

(Get price)### Effect of Crushed Waste Ceramic Tiles (CWCT) as Partial

Mar 31, 2018 · The specific gravity of the CWCT is very close to that of the fine aggregate (sand). 3.3. Compressive Strength. Figure 1 is the plot of the compressive strength against percentage replacement of fine aggregate with crushed waste ceramic tiles. The compressive strength of the concrete cubes decrease as the percentage CWCT increased between 0%

(Get price)### Compressive strength assessment of recycled aggregate

The main objective of this study was to estimate the compressive strength of recycled aggregate concrete (RAC) by means of Schmidt rebound hammer and core testing. The use of recycled aggregate in concrete has been shown to lead to a decrease in the construction cost and it can reduce the burden on the environment by saving natural aggregates.

(Get price)### Experimental Study of Compressive Strength of Recycled

From the experimental work Experimental Study of Compressive Strength of Recycled Aggregate Concrete, the following conclusion can be made: Recycling and reuse of building wastes have been found to be an appropriate solution to the problems of dumping hundred of thousands tons of debris accompanied with shortage of natural aggregates.

(Get price)### Strength Penn State College of Engineering

Shape refers to geometrical characteristics such as round, angular, elongated, flaky, etc. Aggregate particles that are cubicle or spherical in shape and correct mineral composition are ideal for maximizing concrete strength. The use of flat and elongated aggregate particles should be avoided or at least limited to a minimum of 15 percent.

(Get price)### Concrete produced using crushed bricks as aggregate

These materials were crushed in order to obtain a usable aggregate. The properties investigated were the workability and the density of fresh concrete, and the compressive strength, tensile splitting strength, modulus of elasticity and stress strain behavior of hardened concrete. Compressive strength was measured at 7, 14, 28 and 90 days.

(Get price)### Compressive strength and hydration processes of concrete

This paper deals with the correlation between the time evolution of the degree of hydration and the compressive strength of Recycled Aggregate Concrete (RAC) for different water to cement ratios and initial moisture conditions of the Recycled Concrete Aggregates (RCAs). Particularly, the influence

(Get price)### Crushed vs Round aggregate in concrete Structural

Feb 03, 2012 · From a compressive strength standpoint, there is little discernible difference. Yes, crushed stone provides a bit better aggregatepaste bond, but not so much as to greatly affect the compressive strength. The tensile strength is affected moreso by the aggregate shape. Durability, cracking and other general parameters are not significantly

(Get price)### Study of recycled concrete aggregate quality and its

Study of recycled concrete aggregate quality and its relationship with recycled concrete compressive strength using database analysis • 3. Materiales de Construcción 66 (323), July–September 2016, e089.

(Get price)### STUDY OF STRENGTH CHARACTERISTICS OF CRUSHED

To obtain the test results the workability is increased, compressive strength is increased up to 20% replacement level and at 30%, 40% replacement level it goes to decreasing, and Split tensile strength is slightly decreasing as compared to normal concrete. Keywords: Concrete, Aggregates, Crushed Glass, Compressive Strength, Split Tensile Strength.

(Get price)### Compressive strength Wikipedia

Compressive strength or compression strength is the capacity of a material or structure to withstand loads tending to reduce size, as opposed to tensile strength, which withstands loads tending to elongate.In other words, compressive strength resists compression (being pushed together), whereas tensile strength resists tension (being pulled apart). In the study of strength of materials

(Get price)### Crushed Concrete Aggregates Properties and Uses of

By and large, strength of concrete produced from crushed concrete aggregate is lower than concrete made using natural aggregate. Strength reduction of concrete produced from recycled coarse aggregate and natural fine aggregate ranges from 5 to 24%. This influenced by strength of crushed concrete, water to cement ratio of crushed and new concrete.

(Get price)### Aggregates for Concrete GreenSpec

• ''Aggregate'' is a term for any particulate material. It includes gravel, crushed stone, sand, slag, recycled concrete and geosynthetic aggregates. Aggregate may be natural, manufactured or recycled. • Aggregates make up some 60 80% of the concrete mix. They provide compressive strength and bulk to concrete.

(Get price)### The Use of Ceramic Tile Waste as Aggregate in Concrete

the compressive strength and splitting tensile strength are higher than those of the reference concrete. The use of recycled ceramic as fine aggregate increases both splitting tensile strength and compressive strength significantly [2]. Torgal et al. [3] studied the chemical and physical characteristics of crushed ceramic waste from

(Get price)### The Suitability Of Limestone Aggregates For Use In

The Suitability Of Limestone Aggregates For Use In Structural Concrete. The following is an excerpt of a presentation made by Mr. Gordon Hutchinson at a seminar hosted by John''s Hall Aggregates Limited entitled "The future of Construction Aggregates" held on June 13, 2012 at the Lecture Theatre, MontegoBay Community College.

(Get price)### compressive strength of crushed concrete using as aggregates

Crushed Returned Concrete as Aggregates for New Concrete. crushed returned concrete, referred to in this report as Crushed Concrete Aggregate (CCA), as a portion of the aggregate component in new concrete Demolishing old concrete structures, crushing the concrete and using the crushed materials as. Get Price Online Chat COMPRESSIVE STRENGTH OF

(Get price)### Use of Crushed Bricks as Coarse Aggregate in Concrete

Test results indied that using crushed bricks reduces the strength of concrete. Also, the percentage of water to cement ratio increases for constant slump when the percentage of crushed bricks increased. Key words: Recycled aggregate, Crushed bricks, Light weight concrete, Demolition waste.

(Get price)### Compressive strength and hydration processes of concrete

This paper deals with the correlation between the time evolution of the degree of hydration and the compressive strength of Recycled Aggregate Concrete (RAC) for different water to cement ratios and initial moisture conditions of the Recycled Concrete Aggregates (RCAs). Particularly, the influence

(Get price)### Use of RECYCLED AGGREGATES In CONCRETE A Paradigm Shift

The development of compressive strength of recycled aggregate concrete at the age of 1,3,7,14,28, 56, and 90 days the development of tensile & flexural strength at the age of 1,3,7,14 and static modulus of elasticity at the age of 28 days are investigated.

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