compressive strength of concrete using lateritic sand and
Effect of Rice Husk Ash on the Compressive Strength and ...
laterized concrete at varying water/cement ratios and 28day compressive strengths. II. MATERIALS AND METHODS The materials used in this study were ordinary Portland cement ( strength class), sand and laterite as fine aggregates and granite chippings as coarse aggregates. Laterite was used at up to 50% content to partially replace sand.
Workability, compressive strength and initial surface ...
Ukpata, Ephraim, Akeke, Compressive strength of laterised concrete using lateritic sand and quarry dust as fine aggregate. ARPN J. Eng. Appl. Sci. 7(1) (2012) 8192. Ukpata, Ephraim, Flexural and tensile strength properties of concrete using lateritic sand and quarry dust as fine aggregate.
A STUDY OF COMPRESSIVE STRENGTH CHARACTERISTICS OF ...
A study of compressive strength characteristics of laterite/sand blocks has been carried out. Generally, the compressive strength of sandcrete blocks decreases as the percentage of laterite content increases. The method of compaction used has a significant influence on the compressive strength of the block. The blocks produced by machine compac
A MODEL FOR OPTIMISATION OF COMPRESSIVE STRENGTH .
paper presents the optimisation of compressive strength of sand laterite blocks using Osadebe's regression theory. II. MATERIALS AND METHODS A. Materials The materials used in the production of the blocks are cement, river sand, laterite and water. Dangote cement brand of ordinary Portland cement with properties conforming to
Optimizing stabilization of laterite as walling unit ...
22/07/2021 · Compressive strengths were determined at cement stabilization percentages of 3%, 7% and 10% on 12 cubes of100 mm cast and cured for 14 and 28 days, respectively. Findings The results showed that the lateritic soil investigated, achieves its optimum strength in 28 days of curing, at a stabilization level of 10%.
compressive strength for concrete
Oct 28, 2013 · Specified concrete compressive strength is the minimum compressive strength at which the concrete should fail in standard tests of 28dayold concrete cylinders. A typical concrete compressive strength specifiion requires 4,000 to 5,000 psi at 28 days.
Stabilization of Ikpayongu laterite using Cement, RHA and ...
both soil up to and times the strength of the control soil at 7 days curing and also reduction in maximum dry density. Ayegbokiki et al. [17] studied the unconfined compressive strength of lateritic sand stabilized with a blend of rice husk ash .
Different Grades of Concrete, Their Strength and Selection ...
Grade of concrete is denoted by prefixing M to the desired strength in MPa. For example, for a grade of concrete with 20 MPa strength, it will be denoted by M20, where M stands for Mix. These grade of concrete is converted into various mix proportions. For example, for M20 concrete, mix proportion will be 1::3 for cement:sand:coarse aggregates.
compressive strength of concrete using lateritic sand and
By the replacement of silica sand in concrete, the compressive strength was decreases up to 30% replacement and then "Compressive strength of concrete using lateritic sand and quarry dust as fine aggregate" APRN journal of engineering and Applied science, 2012, Pg. No. 81 to 92.
compressive strength of concrete cylinder with cement sand ...
Concrete Mix Design Study Finally, the effect of the maximum coarse aggregate size on compressive strength is evaluated with a ... the sand content is higher than that of concrete made with standard mix pro— portions. ..... were run on the fresh concrete and cylinders were cast from each batch. ... lbs. per cubic yard and a water to cement ratio of
Compressive Strength of Cement and Test to find it
09/03/2020 · Assume the test specimen is of 28 days old and max compression load at which the specimen starts breaking is 165KN. As per above fig, Surface are is = 5000mm 2. 1 KN = 1000N = 165 x 1000 = 165000. As per formula, Compressive strength of cement = 165000/5000 = 33N/mm2. Hence, the Grade of cement is 33 Grade.
AN EXPERIMENTAL INVESTIGATION OF HIGH STRENGTH CONCRETE .
High strength concrete replaced manufactured sand is the more advantage in the Construction industry. The main objective of High strength concrete to develop the compressive strength of concrete by replacing Natural sand into Manufacture sand and using admixture. To examine the workability of manufactured sand and using admixture in concrete.
CiteSeerX — Use of CementSand Admixture in Laterite Brick ...
However, bricks made with laterite admixed with 45 % sand and 5 % cement attained a compressive strength of N/mm2 which is greater than the specified minimum strength value of N/mm2. Cost comparison of available walling materials in Makurdi metropolis showed that the use of bricks made from 45 % sand and 5 % cement resulted in a ...
SDA and laterite appliions in concrete: Prospects and ...
Higher compressive strength losses of, and % were recorded at elevated temperatures of 200, 400 and 600°C for SDAmodified laterized concrete while lower strength losses of, and % were recorded for conventional laterized concrete. However, strength gain of % was recorded at 25°C ambient temperature for
Effect of Nitric Acid Concentration on the Compressive ...
Keyword: compressive strength, laterized concrete, nitric acid concentrations, percentage laterite content. 1. Introduction Laterized concrete is concrete in which laterite fines are used partially or wholly to replace the conventional sand. Laterite occurs in large quantities and in different types in the tropics, including Nigeria.
Investigation into the Characteristic Strength of Mixture ...
cubes subjected to compression test (Neville, 2000).It was discovered that the workability of laterized concrete increases with laterite cement slump values ranging from 220mm, the water absorption showed a reverse trend, decrease with increase in laterite content (Udoeyo et ). But the final characteristic compressive strength of such ...
Performance of lateritic concrete under by IJRET Editor ...
21/07/2014 · Also, studying the effect of alternate wetting and drying on the compressive strength of 0% lateritefine aggregate ratio, the plain concrete, it was found that at temperature of 50oC, compressive .
Performance of LateriteCement Blocks as Walling Units in ...
Lateritecement blocks consistently gained greater compressive strength values up to 10% cement content for all the curing ages of 7, 14, 21 and 28days. Adequate compressive strength of /mm 2 for loadbearing walls was measured for cement content of 6% in lateritecement blocks while sandcrete blocks had a compressive strength of 1N/mm 2.
Experimental Investigation on the Compressive Strength of ...
Concrete is a mixture of cement, fine aggregate, coarse aggregate and water. Concrete has a high compressive strength and a very low tensile strength. Quality of constituent materials used in the preparation of concrete plays a paramount role in the development of both physical and strength properties of the resultant concrete.
Compressive Strength of Concrete Cube Test, Procedure ...
Concrete compressive strength for general construction varies from 15 MPa (2200 psi) to 30 MPa (4400 psi) and higher in commercial and industrial structures. Compressive strength of concrete depends on many factors such as watercement ratio, cement strength, quality of concrete material, quality control during the production of concrete, etc.