### EFFECT OF DUCTILITY NUMBERS OF CONCRETE AND AGGREGATE

EFFECT OF DUCTILITY NUMBERS OF CONCRETE AND AGGREGATE ON SHEAR STRENGTH OF HIGH-STRENGTH CONCRETE MEMBERS S V T Janaka PERERA*1 and Hiroshi MUTSUYOSHI*2 ABSTRACT This paper describes the diagonal cracking shear behavior of reinforced high-strength concrete (HSC) members without web reinforcement Get price

### EFFECTS OF DIFFERENT SIZES OF AGGREGATES ON COMPRESSIVE

found necessary to produce high strength concrete (HSC) (M A Rashid and M A Mansur 2009) The effects of various fineness modulus (FM) of fine aggregate on the engineering properties of high-performance concrete (HPC) were studied For the specific size gradation and maximum aggregate size of coarse aggregates used in Get price

### Size effect on concrete shear strength in beams

Size effect on concrete shear strength in beams reinforced with fiber-reinforced verification of the ACI 440 shear design algorithm has been mainly based on experimental results from specimens with a maximum effective depth the scaling of strength is discussed in relation to effective depth reinforcement ratio aggregate size Get price

### Specimen and Aggregate Size Effect on Concrete

Test results obtained on the effect of specimen size and aggregate size on concrete compressive strength and modulus of elasticity are presented The concrete was prepared using 4 75 9 5 19 0 37 5 and 75-mm nominal maximum size aggregate Over 600 cylinders were cast and tested for concrete compressive strength and modulus of elasticity Get price

### Strength of Concrete

With an increase in water-cement ratio the influence of roughness of surface of the aggregate gets reduced and at a water-cement ratio of 0 65 no difference in strength of concrete made with angular aggregate or rounded aggregate has been observed Strength of Concrete Concrete being a composite material that constitutes basically of cement Get price

### A stereological analysis of aggregate grading and size

A stereological analysis of aggregate grading and size effect on concrete tensile strength 235 Figure 2 Uniaxial tensile tests over dog-bone shaped specimens (a): cohesive laws (b) for different specimen sizes large sizes the diameter of the largest ﬂaw coincides with the maximum diameter φ Get price

### Effect of the maximum size of coarse aggregate on the

Effect of the maximum size of coarse aggregate on the main The limiting value of the maximum size of aggregate should be selected on the basis of the fractional composition of natural deposits planned to be used J Wallas and Z Ohr "Effect of the size of the maximum fraction of aggregate on concrete strength " Grazhdan Get price

### Maximum size of aggregate

The largest size of aggregate particles present in sufficient quantity to affect the physical properties of concrete generally designated by the sieve size on which the maximum amount permitted to be retained is 5 or 10% by weight Get price

### Effect of aggregate size on the fracture and

Read Effect of aggregate size on the fracture and mechanical properties of a simple concrete Engineering Fracture Mechanics on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips Get price

### Effect of Aggregate Flakiness on the Compressive Strength

effect of aggregate Flakiness on the Compressive strength of Concrete Cubes 31 of flaky aggregates of 8 10 and 12 mm size passing in flaky sieve apparatus with cement sand and water similarly fifth type of mix conditions having 90% of normal aggregate with 10% replacement of flaky aggregate of 12 mm size Get price

### Experimental Research on the Influence of Grain Size of

To discuss the influence of coarse aggregate size water cement ratio and ages on the concrete compressive strength the compressive strength tests were carried out by 54 cubic specimens of pebbles concrete in dimensions of 150mm 18 cubic specimens with dimensions of 200mm and 72 specimens with size of 150mm150mm300mm The results show Get price

### Effects of specimen size and shape on compressive and

Effects of specimen size and shape on compressive and tensile strengths of strength of concrete changes based on the specimen's size and shape The size and shape of test specimens used to determine was used with a maximum aggregate size of 10 mm Nepean Get price

### Effect of Different Coarse Aggregate Sizes on the

Abdulahhi M 2013 Effects of aggregate type on compressive strength of concrete Int J of Civil Bhikshma V and Florence G A Studies of effects of maximum size of aggregates types on the compressive strength of Maurice E E and Godwin A A 2012 Compressive strength of concrete using lateritic sand and quarry dust as fine aggregate ARPN J Get price

### EFFECTS OF AGGREGATE TYPE SIZE AND CONTENT ON

14-8-2019The effects of aggregate type size and content on the behavior of normal and high-strength concrete and the relationships between compressive strength flexural strength and fracture energy are discussed The concrete mixtures incorporate either basalt or crushed limestone aggregate sizes of 12 mm ('h in ) or 19 mm (:Y in Get price

### Effects of Aggregate Properties on Concrete

Variation in the size of Aggregates changes the water demand cement content micro-cracking (strength) in concrete It also effects pumpability and durability of concrete Grading of aggregates depends on the proportions of coarse and fine aggregate If grading of aggregate is varied it also changes cement paste content (cost economy Get price

### CONCRETE AGGREGATE AND CEMENT MASS CONTENT EFFECTS

shape depend on the maximum aggregate grain size volume coefficient quantity of cement etc Properties of fresh and set concrete to a great extent depend on the type and quantity of cement paste Following this logic it could be concluded that the concrete properties will grow better with the increase of the cement paste quantity Get price

### What is the effect of coarse aggregate size in compressive

When we design mix the concrete its target strength is much less than the compressive strength of the aggregates used in the formation It can also be clearly seen in the mix design procedure that greater the maximum size of coarse aggregate use Get price

### The Effect of Maximum Coarse Aggregate Size on the

In a study to assess the effect of size of aggregate in higher grade concrete using high volume fly ash 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 splitting tensile strength and flexural strength Get price

### effect of maximum size of aggregate on concrete stre

Field and laboratory observations have indicated that D-cracking is caused by freeze-thaw failures in certain types of coarse aggregate particles The effect of maximum aggregate size on the shear Daluga Derek Robert The effect of maximum aggregate size on the shear strength of geometrically scaled reinforced concrete beams (2015) Get price

### Experimental Research on the Influence of Grain Size of

To discuss the influence of coarse aggregate size water cement ratio and ages on the concrete compressive strength the compressive strength tests were carried out by 54 cubic specimens of pebbles concrete in dimensions of 150mm 18 cubic specimens with dimensions of 200mm and 72 specimens with size of 150mm150mm300mm The results show Get price

### Size Influence of Specimens and Maximum Aggregate on

The results reveal the existence of a significant size effect Based on test results relationships between the strength of mass concrete specimens and their size and shape are developed Finally results and a discussion are presented regarding compressive strength gain with time effect of maximum aggregate size (d a) and specimen size effect Get price

### Aggregates for Concrete

Aggregates for Concrete bination of gravels or crushed stone with particles The effect of a collection of various sizes in reducing the total volume of voids between aggregates is illustrated and nominal maximum aggregate size they affect relative 82 Get price

### Effect of Aggregate Properties on the Crushing

This paper studied the effect of aggregate properties on the crushing strength of concrete In order to achieve the study objective three types of coarse aggregates brick khoa shingles stone and black stone were used to test And the test results show that concrete made from black stone has the highest workability followed by shingles stone Get price

### Aggregate in Concrete

Economy is another reason for thoughtful aggregate selection You can often save money by selecting the maximum allowable aggregate size Using larger coarse aggregate typically lowers the cost of a concrete mix by reducing cement requirements the most costly ingredient Get price

### AGGREGATE SIZE AND LATERAL DIMENSION EFFECTS ON CORE

concrete strength of existing structure This paper reports on a recent laboratory investigation devoted to the effect of maximum aggregate size and core diameter on the estimation of the characteristic strength of current concrete (C25/30 class) The compressive strength of concrete cores with different diameters (ɸ = 100 mm 75 mm and 50 mm Get price

### EFFECT OF W/C RATIO ADMIXTURE SIZE OF

effect of w/c ratio admixture size of aggregate on compressive strength of self compacting concrete (scc) 1 major project effect of w/c ratio admixture on compressive strength of self compacting concrete (scc) civil engineering department batch 2015-19 nishant bhickta 03420703415 piyush kr Get price

### TECHNICAL NOTE

FIGURE 1 (a) concrete pavement dowelled joint with normal size coarse aggregate (b) concrete pavement made with larger maximum size aggregate In the past 25 years larger maximum aggregates have not been extensively employed in concrete pavements due to freeze-thaw durability concerns (D-cracking) In order to use Get price

### Effect of Coarse Aggregate Size on the Compressive

Effect of Coarse Aggregate Size on the Compressive Strength and the Flexural Strength of Concrete Beam S O Ajamu1 and J A Ige2 1 2 Department of Civil Engineering Ladoke Akintola University of Technology PMB 4000 Ogbomoso Oyo State Nigeria ABSTRACT Concrete structures deflect crack and loose stiffness when subjected to external load Get price

### Effect of Maximum Aggregate Size on the Bond

Effect of Maximum Aggregate Size on the Bond Strength of Reinforcements in Concrete The bond between reinforcements and concrete is the only mechanism that transfers the tensile stresses from concrete to reinforcements Compressive strength splitting tensile strength and bond strength for each concrete mix were studied Get price

### Effect of compressive strength and the maximum size of

The objective was to study the influence of the compressive strength of rock and the influence of maximum size of coarse aggregate characteristic the mechanical properties of concrete in hardened produced with different water consumption (200 160 145 130 and 115 liters of water) Get price

### The Effect of Aggregate Size on the Compressive Strength

Aggregate grading is an important element in concrete mixing and the resultant compression 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 sizes (10 mm 12 mm and 15mm) and the control Get price

### Aggregate size

19-10-20193 The advantage of small aggregate in the water-ratio strength relationship may or may not be sufficient to offset the effects of its higher mixing water demand It appears that optimum maximum size so far as strength is concerned will vary for different aggregates different cement factors different test ages and probably other conditions 4 Get price

### A PROJECT REPORT ON EFFECT OF SIZE OF AGGREGATE ON

The present investigation is aimed at developing high strength Self Compacting Concrete of M70 Grade The parameters of study include grade of concrete and effect of size of aggregate The existing Nan Su [2001] method of mix design was based on packing factor for a Get price