EXPERIMENTAL ANALYSIS ON EFFECT OF NANO SILICA ON .
improve the compressive strength of concrete. An experimental investigation has been carried out by replacing the cement with nano silica of 0.25%, 0.5%, 0.75% and 1%. The tests accompanied on it shows a significant increase in early-age compressive strength and also a small increase in the overall compressive strength of concrete. The strength
Effect of Aggregate Size Distribution on Concrete Compressive Strength. SUST Journal of Science and Technology, Vol. 19, No. 5, 2012; P: 35-39. Yaqub, M. and I. Bukhari. Effect of size of coarse aggregate on compressive of high strength concrete. 31st Conference on Our World in Concrete & Structures. 16 – 17 August 2006, Singapore.
aggregate as coarse aggregate by replacing natural coarse aggregate at 0, 20, 40, 60, 80 and . Due to the characteristics and behavior of ceramic waste aggregate, strength properties of the ceramic waste aggregate concrete is declining. A mathematical model is developed for
Compressive Strength of Steel-Fiber Concrete with ...
The results showed that the concrete with 15% styrofoam ALWA and 1.5% of steel fiber were able to produce optimum compressive strength by 28.5 MPa and the modulus of elasticity by 23,495 MPa. In addition, the use of Styrofoam ALWA as a substitution to the coarse aggregate can reduce the density of concrete as much as 5 to 35%.
Mar 16, 2012· 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 .
IMPACT OF COARSE AGGREGATE ON COMPRESSIVE .
The research specimen of 0%, 5 %, 10%, 15% is casted and checked for compressive strength and Split tensile strength after a 7 day, 14 days, and 28 days curing time, 20% of the partial replacement by steel slag and coarse aggregate by rubber tyre. Keywords Rubber Crumbs, Steel Slag, Compressive Strength, Flexural Strength, Split Tensile Strength
The lower the water to cement ratio, the more the effect of coarse aggregates on the strength of concrete. Undesired properties of coarse aggregate may affect the strength, durability, and performance of concrete negatively. The compressive aggregate strength is an important factor in the selection of aggregate.
Effects of size distribution of both fine and coarse aggregate on compressive strength were analyzed in this study. Six different sizes of coarse aggregates were used while developing a mix design ...
Research Article A Study of Concrete Made with Fine and ...
Compressive strength (MPa) Percentage of recycled aggregates (%) F : E ect of grain size on compressive strength at days. point of the new concrete. Moreover, the old mortar part has smaller compressive strength than the part of natural aggregate. e .
compressive strength analysis on recycled aggregate concrete. Design of Concrete Mixtures with Recycled Concrete Aggregates. This paper investigates the workability, compressive strength, and elastic modulus of normal-strength concrete with recycled concrete aggregate (RCA) as replacement for coarse natural aggregate (for example, crushed stone ...
From the results of the current study, the compressive strength at 7-day and 28-day is related to the density of coarse and medium aggregate, abrasion, and absorption. The higher the density, the higher the compressive strength. And the lower abrasion and absorption, the higher the compressive strength of concrete.
for compressive strength of coarse aggregate Relation