Factors Affecting Strength of Concrete Concrete strength is affected by many factors such as quality of raw materials water/cement ratio coarse/fine aggregate ratio age of concrete compaction of concrete temperature relative humidity and curing of concreteInternational Journal of Innovative and Emerging Research in Engineering Volume 2 Issue 4 22 IV CORRECTION FACTOR Definition A factor used to reduce the amount of deviation in a measurement to obtain the accurate value is called
Get PriceTHE EFFECT OF HEIGHT TO THICKNESS RATIO ON THE COMPRESSIVE STRENGTH OF CONCRETE MASONRY by Jiaji Liu A Thesis Submitted to the Faculty of Graduate Studieseffect of air entrainment on compressive strength density and ingredients of fresh concrete mix During all the study water cement ratio w/c was maintained constant at 05 to study the affection of air entrainment a on concrete mix The results have shown substantial decreasing in cement water aggregates and concrete density followed with decreasing in compressive strength of
Get PriceThe American Concrete Institute Founded in and headquartered in Farmington Hills Michigan USA the American Concrete Institute is a leading authority and resource worldwide for the development dissemination and adoption of its consensus based standards technical resources educational programs and proven expertise for individuals percentage were crushed each testing day of 7 14 21 and 28 days and the average strength were as shown in Tables 1 and 2 III if sodium chloride is mixed directly with wet concrete it will
Get PriceEffect of aggregate type on Compressive strength of concrete Abdullahi M International Journal of Civil and Structural Engineering Volume 2 Issue 3 Effect of Air Entrainment on Flexural Strength of Concrete Generally the influence of air entrainment on flexural strength of concrete is not as detrimental as in the case of concrete compressive strength
Get PriceThe Effect Of Sea Water On Compressive ijesiorg 24 Page Table 1 Concentration of Major Ions in Some of the World SeasThe application of nanotechnology in concrete has added a new dimension to the efforts to improve its properti Nanomaterials by virtue of their very small particle size can affect the concrete properties by altering the microstructure This study concerns with the use of nano silica of size 236 nm to improve the compressive strength of
Get PriceThe results of compressive strength have been presented in tables 4 9and in the graphical representation of average compressive strength versus curing age for different methods of curing used in the experiment see fig 3 In all curing methods the compressive strength of the concrete increases with age The highest compressive strength at all ages was produced by immersion water curing The application of nanotechnology in concrete has added a new dimension to the efforts to improve its properti Nanomaterials by virtue of their very small particle size can affect the concrete properties by altering the microstructure This study concerns with the use of nano silica of size 236 nm to improve the compressive strength of
Get PriceAggregates gradation also have an influence on the compressive strength of concrete Concrete strength increases when using dense gradation and increasing fines modulus of aggregatCD06 011 EFFECT OF REBAR ON COMPRESSIVE STRENGTH OF CONCRETE CORES M Tadayon1 HTP Moghadam2 MH Tadayon3 1Associate professor Civil Eng Dept Engineering
Get PriceA Review of Effect on Compressive Strength of Concrete After Addition of Nano Silica DOI / iosrjournalsorg 24 PageThis paper presents the experimental investigations on the effect of sea water on the compressive strength of concrete Cement concrete cubes of 150mm x 150mm x
Get PriceA Concrete Compressive Strength According to the different used temperatures the values of compressive strength are obtained of specimens confined with different shapes of CFRP and unconfined specimens The values of compressive strength are plotted versus temperature as shown in figure 8 This figure demonstrated that the higher the temperature the lower the values of compressive strength Size and Shape Effects on the Compressive Strength of High Strength Concrete JR del Viso JR Carmona G Ruiz ETS de Ingenieros de Caminos Canales y Puertos Universidad de
Get PriceSummary As part of an investigation on the effect of temperature on the crushing strength of concrete tests have been carried out using 2 in diameter by 4 in long specimens made with ordinary Portland cement river sand and gravel aggregate having various mix proportions and water/cement ratiosvalues of compressive strength of concrete ranges between 5 to 6 Since concrete is composed of elements of variable strength it is reasonable to assume that the larger the volume of the concrete the more likely it is to contain an element of weaker strength
Get PriceCompressive Strength Of Concrete With Different Dosage Of Fly Ash Was Studied As Partial Replacemnet Of Cement From The Experimental From The Experimental Investigations It Has Been Observed That The Optimum Replacement Of Flyash To Cement Without Changing Much Compressive Strength Is 10 substandard strength the compressive strength of cores may be required for assessment Depending on the geometry and size of the core specimen the compressive test results may need adjustment to characterize the in place concrete strength
Get PriceThe uniqueness quality of concrete makes it desirable as a building material because it can be moulded into virtually any shape or form Concrete provides a wide latitude in surface textures such as large buildings bridges dams highways roadways hydraulic structures silo farm building etcthat the increase in compressive strength was ranging from negligible in most cases to 15 for 150mm×300mm cylinders containing different types and contents of fibers Al Hamadani Studied the mechanical properties of concrete exposed to gas oil
Get Pricecan we compare 2 concrete batch that have the same water to cement ratio but one has 380 kg/m3 cement and the other 400 kg /m3 is the difference significant Using same cement with a similar Abstract This work was carried out to assess the effect of high temperatures on compressive strength of concrete Effect of fire on concrete is a relatively less
Get PriceIR 06 01 The Effect of Test Cylinder Size on the Compressive Strength of Sulfur Capped Concrete Specimens Prepared By Dennis Vandegrift Jr Anton K SchindlerMuhammad Rizwan Akram Saim Raza Effect of Micro Silica and GGBS on Compressive Strength and Permeability of Impervious Concrete as a Cement
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