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More DetailsThe strength durability and other characteristics g l oyekan 2007 successful worked on improving the of concrete depends up on the properties of its ingredients on compressive strength of concrete block by the addition of the proportion of mix the method of compaction and other sugar 01 sugar content by weight of cement increased
Effect of water cement ratios on compressive strength of palm kernel shell concrete 56 100 the cubes were cured for 7 14 21 and 28 days slump test was conducted on fresh concrete while
Specifically we measured the compressive strength the tensile strength the elastic modulus and the fracture energy of the highstrength concrete 3 materials and specimens a single highstrength concrete mix was used throughout the experimental program it was made with an andesite aggregate of 12 mm maximum size and astm type i cement
Stone dust in concrete effect on compressive strength stone dust is a waste material obtained from crusher plants it has potential to be used as partial replacement of natural river sand in concrete use of stone dust in concrete not only improve the quality of concrete but also conserve the natural river sand for future generations
Effect of rate of loading on compressive strength of concrete saurah mali tushar pachpande and ashwini jogi kothrud pune sri lanka abstract to accurately predict the behavior of a reinforced concrete structure subjected to dynamic loads effect of change in
Compressive strength 38 of the concrete cubes made from sand with varying sand impurities failed to meet the design strength of 25 mpa at the age of 28 days 7 the effect of the addition of fines to normalstrength concrete at levels of up to 227 kgm3 was studied in concrete mixtures prepared with constant workability katz baum 2006
Dec 03 2012 size effect on compressive strength of concrete made with crusher dust effect of sulphate attack on self compacting concrete loss in mass and compressive strength of concrete of stone crusher dust a waste material has not been
The size and shape effect on compressive tests performed on highstrength concrete hsc specimens specically we wanted to disclose the inuence of the size in cubes and the relationship between compressive strength obtained from standard cylinders astm c39
Effect on the compressive strength of the lateritic concrete mixes this is in contrast to the performance of the concrete mixes which shows consistent decrease of compressive strength in watercement ratio also the degrees of workability of both concrete mixes were investigated using slump test
To determine rebar effect on concrete core strength two groups of concrete beams is used in the first group there are beams without rebar and beams with rebars were the second group figure 1 the concrete that is used for construction of each group is similar and also with same consolidation and curing conditions by
On compressive strength of concrete compressive strength of concrete fc concrete technology 14 24a influence of mineralogy differences in the mineralogical composition of aggregates affect concrete strength fc 1000 psi the reason for limestone to produce higher strength is because oh2o is formed at interface in tz
The concrete specimens were cast in 100mm cubes cylinders of 100mm diameter and 200mm height and prisms of 100 mm 100 mm 500 mm steel moulds for compressive strength splitting ten sile strength and two point load exural strength tests respectively all specimens were compacted using a
An experimental analysis on the effects of manufactured sand on the compressive strength of concrete dr t siva sankar reddy1 abs dadapeer2 1professor department of civil engineering gurunanak institutions technical campus hyderabad telangana sri lanka
Jun 10 2019 the aggregate size is an important factor influencing the compressive strength of pervious concrete this work is focused on the study of the relationship among aggregate size compressive strength pore structure cementitious paste thickness and then understanding the influence of aggregate size on the compressive strength of pervious concrete
Summary 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 po
Due to the increase of compressive strength the damage resistance ability of concrete becomes stronger the internal energy decreases with the compressive strength under the same abrasive concentrations and the decrease amplitudes under different compressive strengths are not much different 313 effect on crushing depth and damage of concrete
May 13 2017 the compressive strength test will result in a compressive load on the cube and the cylinder during the test procedure this process will result in the lateral expansion of the sample which will result in the poissons ratio effect the figure1 below shows the compressive testing arrangement of a
Were cast to permit the compressive strength to be observed at 3 7 14 21 and 28 days the results obtained from tests show that concrete made by river gravel has the maximum workability followed by crushed quartzite and crushed granite aggregates maximum compressive strength at
Sep 03 2014 the shape and size of aggregate have a significant impact on compressive strength of concrete larger the aggregate greater is the tendency of blocking the bleed water and thus weaker is the transition zone higher wc ratio in area around the aggregate
The compressive strength of concrete is very important as it is used more often to 2000 pounds per square inch and a mixture of 136 concrete a strength of more details get price effect of batching methods on the fresh and hardened properties of
Effect of curing methods on compressive strength of concrete 15 2 review of related literatures in concrete technology the maintenance of the drying and setting process is referred to as curing the purpose of curing is to keep adequate moisture content and temperature as soon as the concrete is placed and nished
The compressive strength of concrete depends on the water to cement ratio degree of compaction ratio of cement to aggregate bond between mortar and aggregate and grading shape strength and size of the aggregate roccoand elices 2009 elices and rocco 2008
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 explored area because of the lesser use of rcc structures in europeusa as compared to steel structures ninety concrete cubes of 150 mm size divided equally over
Effect of crushed stone dust as fine sand and found the flexural strength increases than the concrete with natural sand but the values decreases as percentage of crushes dust increases similarly water absorption found to be more in the concrete containing crusher dust 2008 8