coarse aggregate size compressive strength

The Effect of Maximum Coarse Aggregate Size on the …

Bhikshma and Florence (2013) found that aggregate sizes influence its strength and that maximum size of coarse aggregate of 12.5 mm gave the highest compressive strength, …

Coarse aggregate effectiveness in concrete: Quantitative …

Coarse aggregate with size of 4.75–19 mm (CA1#:CA2#=0.3:0.7) and 19–26.5 mm were used as DFCA. ... To better understand this effect, the influence of volume fractions of coarse aggregate on compressive strength was investigated. As shown in Fig. 10, for the C30, C40 and C50 concretes, the 7-day and 28-day …

The Effect of Aggregate Size on The Strength of Concrete

Effects of Coarse Aggregate Size on the Compressive Strength of Concrete. O. Ogundipe Akinkurolere Olufunke Olanike E. S. Nnochiri P. O. Ale. Engineering, Materials Science. 2018; This study investigates the effect of aggregate size on the compressive strength of concrete. Two nominal mixes, that is, 1:2:4 and 1:3:6 were used in the study ...

COMPARATIVE ANALYSIS OF COMPRESSIVE STRENGTH …

The results also shows that concrete made with coarse aggregate size of 12.50mm achieved the highest strength of 33.93 N/mm 2 after 28 days of immersion in water curing, while quarry dust has the ...

COMPARATIVE ANALYSIS OF THE COMBINATION OF COARSE AGGREGATE SIZE …

Proportioning of coarse aggregate involves the combination of different coarse aggregate size fraction to form a full portion which can be used in concrete production [3, 4].This research was undertaken to investigate the comparative analysis of the combination of three different sizes of coarse aggregates on the compressive strength of normal ...

The Effect of Maximum Coarse Aggregate Size on the Compressive Strength …

The optimum maximum coarse aggregate size for the best compressive strength of 28 day concrete was therefore found to be 8mm for the water/cement ratio of 0.63. The analysis further shows that as heterogeneity increases the compressive strength of concrete reduces. Keywords : Gneiss, compressive strength, aggregate sizes, slump, …

Effects of Coarse Aggregate Size on the Compressive …

considered coarse aggregate samples of maximum sizes of 10, 14 and 20 mm at constant water/cement ratio of 0.63. Their results showed that the smallest coarse aggregate size gave the highest compressive strength and lowest slump at constant water/cement ratio.

Effects of Coarse Aggregate Size on the Compressive Strength …

Effects of Coarse Aggregate Size on the Compressive Strength of Concrete. This study investigates the effect of aggregate size on the compressive strength of concrete. Two nominal mixes, that is, 1:2:4 and 1:3:6 were used in the study. Concrete cubes were produced with 6, 10, 12.5, 20 and 25 mm aggregates for the two nominal mixes and …

EFFECT OF SIZE OF COARSE AGGREGATE ON COMPRESSIVE STRENGTH …

EFFECT OF SIZE OF COARSE AGGREGATE ON COMPRESSIVE STRENGTH OF HIGH STRENGTH CONCERTS M. Yaqub*, University of Engineering and Technology Taxila, Pakistan. Imran Bukhari, University of Engineering and Technology Taxila, Pakistan 31st Conference on OUR WORLD IN CONCRETE & STRUCTURES: 16 - 17 August 2006, …

Classification of Aggregates as per Size and Shape -Coarse …

They give 10-20% more compressive strength due to development of stronger aggregate-mortar bond. So, these are useful in high strength concrete manufacturing. ... Coarse aggregate: Size: Fine gravel. 4mm – 8mm. Medium gravel. 8mm – 16mm. Coarse gravel. 16mm – 64mm. Cobbles. 64mm – 256mm. Boulders >256mm.

Effect of Maximum Aggregate Size on the Strength of …

The relationship between compressive strength and the change in the maximum size of coarse aggregate with constant fineness modulus of sand and varied cement content (For normal strength concrete)

Effects of aggregate sizes on the performance of laterized …

With a 20 mm maximum coarse aggregate size, 25% laterite soil in fine aggregate yielded a compressive strength of 22.1 N/mm 2, aligning with the findings of Salau and Busari 13, and Ata 70.

(PDF) Compressive strength of concrete with recycled aggregate…

The main objective of this research is therefore to evaluate the influence of replacing natural fine and coarse aggregate on the 3-, 7- and 28-day compressive strength of concrete using machine ...

The Effect of Maximum Coarse Aggregate Size on the Compressive Strength …

An experiment was conducted to determine the effect of different sizes of machine crushed gneisses used in Ghana for concrete production on the compressive strength of concrete. Coarse aggregate samples of maximum sizes of 10mm, 14mm and 20mm were used to produce concrete at constant water/cement ratio of 0.63. In all the experiments, the …

Effect of Coarse Aggregate Size on the Compressive …

Coarse aggregate size is directly proportional to the slump (workability) of a fresh concrete with constant water cement ratio. Compressive strength of a concrete increases with …

Influence of coarse aggregate size and content on the …

The investigation results indicated that the compressive strength, MOE, digital rebound hammer number, ultrasonic pulse velocity, and electrical resistivity …

Effects of Coarse Aggregate Size on the Compressive Strength …

This study investigates the effect of aggregate size on the compressive strength of concrete. Two nominal mixes, that is, 1:2:4 and 1:3:6 were used in the study. Concrete cubes were produced with 6, 10, 12.5, 20 and 25 mm aggregates for the two nominal mixes and they were subjected to compressive strength test after curing for 7, …

Effect of Coarse Aggregate Size on the …

Compressive strength of cubes is 21.26N/mm 2, 23.41N/mm 2, 23.66N/mm 2, and 24.31N/mm 2 for coarse aggregate sizes 13.2mm, 19mm, 25.0mm and 37.5mm respectively.

Effect of maximum coarse aggregate size on dynamic compressive strength

The test results indicated that the larger maximum coarse aggregate sizes induce larger heterogeneity of specimens. On the other hand, the pure rate DIFs did not exhibit a dependency on the maximum coarse aggregate size. Based on these results, guidance as to the maximum coarse aggregate size of concrete specimens for SHPB …

COARSE AGGREGATES IN HIGH STRENGTH …

Even though the water demand of smaller size coarse aggregates is higher, having greater surface area (and correspondingly greater interfacial bonding potential), smaller aggregates become more desirable as the …

ACI Mix Design

Coarse aggregate content; Fine aggregate content; Adjustments for aggregate moisture; ... Pavement PCC maximum aggregate sizes are on the order of 25 mm (1 inch) to 37.5 mm (1.5 inches) (ACPA, 2001{{2}}). ... Water-Cement Ratio and Compressive Strength Relationship (after ACI, 2000 [1])

The Effect of Maximum Coarse Aggregate Size on the …

The optimum maximum coarse aggregate size for the best compressive strength of 28 day concrete was therefore found to be 8mm for the water/cement ratio of 0.63. The analysis further shows that as heterogeneity increases the compressive strength of concrete reduces. Keywords: Gneiss, compressive strength, aggregate sizes, slump, …

Effect of Size of Coarse Aggregate on Mechanical Properties …

The MKGP concrete results yielded a decrease in compressive strength values as the coarse aggregate size increased. The results are consistent with the study by Guades, showing the effect of aggregate size variation on the compressive strength of the GPC under ambient temperature. The considerable decrease of compressive …

Effects of aggregate sizes on the performance of laterized …

Compressive strengths ranged from 22.1 to 37.6 N/mm 2, flexural strengths from 4.07 to 5.99 N/mm 2 and split-tensile strengths from 2.93 to 4.30 N/mm 2. This …

The Effect of Aggregate Size on the Compressive Strength of Concrete

Woode et al., [16], investigated the strength ability of varying sizes of gneiss (10, 14,20mm) on compressive strength of concrete by which the result indicated that gneiss of maximum aggregate ...

Effect of maximum coarse aggregate size on dynamic compressive strength …

DOI: 10.1016/J.IJIMPENG.2018.11.003 Corpus ID: 140097323; Effect of maximum coarse aggregate size on dynamic compressive strength of high-strength concrete @article{Kim2019EffectOM, title={Effect of maximum coarse aggregate size on dynamic compressive strength of high-strength concrete}, author={Kyoung-Min Kim …

The Effect of Aggregate Properties on Concrete

Coarse aggregate is usually greater than 4.75 mm (retained on a No. 4 sieve), while fine aggregate is less than 4.75 mm (passing the No. 4 sieve). The compressive aggregate strength is an important factor in the …

Effect of Coarse Aggregate Size on the Compressive Strength …

Effect of varying coarse aggregate size on the flexural and compressive strengths of concrete beam was investigated. Concrete cubes and beams were produced in accordance with BS 1881-108 (1983) and ASTM C293 with varying aggregate sizes 9.0mm, 13.2mm, 19mm, 25.0mm and 37.5mm, using a standard mould of internal dimension …

Combined effects of steel fiber and coarse aggregate size …

This paper investigates the effects of steel fiber content and coarse aggregate size on the mechanical properties of high-strength concrete with a specified compressive strength value of 60 MPa. The paper also explores the correlation between the compressive and flexural toughness of high-strength steel fiber-reinforced …

Effect of Aggregate Size Distribution on …

Increase of FM of both fine aggregate and also coarse aggregate resulted in increase of compressive strength and an Extreme value of compressive strength stood achieved when FM for both …