# compressive strength of crushed concrete using as aggregate

##### Properties of Concrete Using Crushed Brick as Aggregate

Feb 01, 1983· Four grades of concrete made with crushed brick as aggregate were tested to determine their physical and mechanical properties. Nominal compressive strength ranged from 2000 to 5000 psi (13.8 to 34.5 MPa). Test results compared favorably with those for normal weight concrete as obtained from the ACI code equations.

##### 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.

##### Effect of aggregate type on Compressive strength of concrete

The compressive strength of laterite aggregate concrete is considerably lower than that of gravel or crushed granite aggregate concrete, while the average ratio of cylinder to cube strength

##### 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 well-graded 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.

##### The Effect of Aggregate Properties on Concrete

The compressive aggregate strength is an important factor in the selection of aggregate. When determining the strength of normal concrete, most concrete aggregates are several times stronger than the other components in concrete and therefore not a factor in the strength of normal strength concrete.

##### 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.

##### Effect of Crushed Tiles Aggregate and Oil Palm Additive on

The use of waste material as aggregates in civil engineering applications 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.

##### Properties of concrete made with crushed concrete as

May 25, 2015· Effects of using recycled concrete of different qualities as coarse aggregate upon the strength and deformation of concrete are reported. Tests on the aggregates showed that the recycled concrete aggregates have lower specific gravity and higher absorption capacity than the original crushed granite aggregate.

##### (PDF) Concrete using recycled aggregates

The compressive strength of concrete was lower by about 7.5% when well water was used with natural coarse aggregate; approximately, a 19% decrease in compressive strength was observed when

##### Strength and Durability Evaluation of Recycled Aggregate

May 14, 2015· Compressive strength Cubes (150 mm × 150 mm × 150 mm) were tested for compressive strength according to (ASTM 2011a) at 3, 7, 14, 21, and 28 days, strength development with time is shown in Fig. 8. Compressive strength of concrete produced with the recycled aggregate was in the range of 41 to 52 MPa. Mix 4 had the lowest compressive strength.

##### Strength and stiffness of compacted crushed concrete

Effects of the strength of original concrete on the strength and stiffness of compacted CCA are insigniﬁcant, while the strength and stiffness of compacted CCA are, respectively, noticeably higher than, or similar to, the original concrete aggregate (i.e., natural gravelly soil) compacted using

##### Compressive Strength of Lightweight Concrete IntechOpen

This chapter has been prepared with the hope that its readers will become interested in lightweight concrete (LWC). Therefore, after a brief background of lightweight concrete, different types of LWC will be introduced and then LWC made of lightweight aggregates (LWA) will be specifically discussed. Compressive strength and density of LWC are the main points of interest in this chapter. In

##### Properties of concrete made with crushed concrete as

Effects of using recycled concrete of different qualities as coarse aggregate upon the strength and deformation of concrete are reported. Tests on the aggregates showed that the recycled concrete aggregates have lower specific gravity and higher absorption capacity than the original crushed granite aggregate.

##### 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.

##### The Effect of Aggregate Properties on Concrete

The compressive aggregate strength is an important factor in the selection of aggregate. When determining the strength of normal concrete, most concrete aggregates are several times stronger than the other components in concrete and therefore not a factor in the strength of normal strength concrete.

##### 3 COMPRESSIVE STRENGTH OF CONCRETE USING

strength than the concrete made by using crushed rock aggregates (at same workability of 75 mm) by 9% in case of M15 grade and 6.7% in case of M20 grade . Thus it is evident that to produce the same workable concrete using natural aggregates and crushed rock aggregates the resulting concrete from

##### Use of Crushed Bricks as Coarse Aggregate in Concrete

coarse aggregate for making concrete of acceptable strength characteristics. 2.The use of crushed bricks as coarse aggregate decreases the compressive strength of concrete about (11-87)% at age of 28 days according to the ratio of crushed bricks that used. 3.The splitting tensile strength of crushed brick concretes are lower than

##### Effect of Aggregates On Strength Of Concrete Engineering

Aggregates gradation also have an influence on the compressive strength of concrete. Concrete strength increases when using dense gradation and increasing fines modulus of aggregates. By increasing fines modulus surface area of aggregates goes on increasing. With the increase in surface area more bond surface will be available and due to this stronger bond will be formed and also this

##### An Investigation into the Use of Manufactured Sand as a

Jun 02, 2016· Nevertheless, researchers have also found that the flexural and compressive strength of concrete benefits from the angularity of crushed fine aggregate due to improved bond and aggregate interlock in comparison to natural sand concretes and mortars at the same w/c ratio [6,7].

##### Crushed Limestone Concrete Aggregate Texas Crushed Stone

Because it is relatively easy to produce river gravel as compared to crushed limestone, usually the first source of aggregates developed for a community is gravel. As the gravel deposits are depleted and people learn the advantages of crushed aggregate, the use of crushed limestone in concrete

##### Prediction of Compressive Strength of Recycled Aggregate

importance of the four variables in regards to the compressive strength of recycled aggregate concrete. In this paper, we use the Least Absolute Shrinkage and Selec-tion Operator (LASSO) to evaluate the importance of the four vari ables. Being a penalized regression approach, the LASSO reduces the risk of over fitting.

##### 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%-20% CWCT.

##### Analysis of Overburned Brick in Concrete as a Coarse

aggregate. Trial mixes were prepared using the crushed over burnt bricks in place of coarse aggregates for M20 concrete to study the compressive strength parameters. The result of 28 days compressive strength of natural stone aggregate concrete at 0.45 and 0.5 water-cement ratio has 21.9 MPa and 20.2 MPa respectively.

##### COMPARITIVE STUDY ON ENGINEERING PROPOERTIES OF

compressive strength followed by the river bank gravel aggregate and crushed aggregate, with the values of 33 Mpa and 30 Mpa respectively. Key Words: Conventional concrete, Engineering properties, Crushed aggregate, river aggregate and compressive strengths. 1. INTRODUCTION Concrete is a composite material produced by the

##### Recycled Aggregates

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 virgin aggregates.

##### Use of Crushed Bricks as Coarse Aggregate in Concrete

coarse aggregate for making concrete of acceptable strength characteristics. 2.The use of crushed bricks as coarse aggregate decreases the compressive strength of concrete about (11-87)% at age of 28 days according to the ratio of crushed bricks that used. 3.The splitting tensile strength of crushed brick concretes are lower than

##### COMPRESSIVE STRENGTH OF CONCRETE USING NATURAL AGGREGATES

Coarse Aggregates are the main component of concrete and occupy around 45% of the total volume of concrete. Their Properties have a profound effect on the various properties of concrete when wet as well as after hardening. There are many sources in

##### 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.

##### Study on Compressive Strength of Quarry Dust as Fine

The compressive strength is quantified for varying percentage and grades of concrete by replacement of sand with quarry dust. 1. Introduction. Quarry dust is a byproduct of the crushing process which is a concentrated material to use as aggregates for concreting purpose, especially as fine aggregates.

##### 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

##### COMPARITIVE STUDY ON ENGINEERING PROPOERTIES OF

compressive strength followed by the river bank gravel aggregate and crushed aggregate, with the values of 33 Mpa and 30 Mpa respectively. Key Words: Conventional concrete, Engineering properties, Crushed aggregate, river aggregate and compressive strengths. 1. INTRODUCTION Concrete is a composite material produced by the

##### Analysis of Overburned Brick in Concrete as a Coarse

aggregate. Trial mixes were prepared using the crushed over burnt bricks in place of coarse aggregates for M20 concrete to study the compressive strength parameters. The result of 28 days compressive strength of natural stone aggregate concrete at 0.45 and 0.5 water-cement ratio has 21.9 MPa and 20.2 MPa respectively.

##### 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

##### Study of compressive strength characteristics of coral

May 25, 2015· Their suitability a3 aggregate for concrete making has been studied through comparison with the results of tests on conventional crushed granite aggregate and river sand. The workability, density and compressive strength characteristics of different nominal mixes of conventional aggregate concrete and coral concrete with various water-cement

##### Compressive Strength of Lightweight Concrete IntechOpen

This chapter has been prepared with the hope that its readers will become interested in lightweight concrete (LWC). Therefore, after a brief background of lightweight concrete, different types of LWC will be introduced and then LWC made of lightweight aggregates (LWA) will be specifically discussed. Compressive strength and density of LWC are the main points of interest in this chapter. In

##### Compressive Strength of Concrete -Cube Test, Procedure

Compressive strength of concrete cube test provides an idea about all the characteristics of concrete. By this single test one judge that whether Concreting has been done properly or not. Concrete compressive strength for general construction varies from 15 MPa (2200 psi) to 30 MPa (4400 psi) and higher in commercial and industrial structures.

##### A Study of Concrete Made with Fine and Coarse Aggregates

Recent successful studies on the use of FCW as aggregates in concrete have been reported [11, 12]. The results of these studies show that the compressive strength and the slump decrease with increasing the FCW aggregates percentage. However, they are mainly devoted to experiences with crushed concrete as coarse aggregates.

##### An Investigation into the Use of Manufactured Sand as a

Jun 02, 2016· Nevertheless, researchers have also found that the flexural and compressive strength of concrete benefits from the angularity of crushed fine aggregate due to improved bond and aggregate interlock in comparison to natural sand concretes and mortars at the same w/c ratio [6,7].