This report covers the additional cube test results obtained since october 1993 and. One can print pdf copy and can prepare hardbound organized cube test data records book. Failure to do this can result in the need to spend even more. The certified source shall have a mill test report program that is approved by mndot to. Concrete slump test is carried out from batch to batch to check the uniform quality of concrete during construction. Place the prepared concrete mix in the steel cube mould for casting. If more, the test results of the sample are invalid. F3272 houston, tx 77043 11555 clay road suite 100 92091059. By finding out a proper reason for failure, we may avoid further reoccurrences of the same. For concrete paving projects only, send copies of all agency and contractor tests results including control charts. Weekly certified readymix plant report form 24143 3. For normal field applications, the concrete strength can vary from 10mpa to 60 mpa.
Here i designed format for cube test data records for site quality incharge. Compressive strength of concrete can be determined using different shapes of specimens. The capacity of concrete is reported in psi pounds per sq. Compressive strength of concrete cube test, procedure. Request for compression test on concrete cube form nocows041issue 2 rev.
This section includes a sample of each of the odot forms used for submitting samples and reporting test results. Compressive strength of concrete cube test pdf, procedure, results the compressive strength of the concrete cube test provides an idea about all the characteristics of concrete. In case of doubt regarding the grade of concrete used either due to poor workmanship or based on results of cube strength test further tests should be conducted such as nondestructive test by concrete test hammer, ultrasonic concrete tester etc. Most commonly, cores are extracted when there is a reported low strength test result of standard cured cylinders. Concrete cube testing to determine the strength of concrete. Massive concreting in huge civil projects like dams, power plants, bridges, and etc. This test measures the uniaxial compressive strength of concrete cubes which are made, cured and tested to very specific requirements. For decades there was a problem to compute the compressive strength of concrete in 7 or 28 days if the cubes of concrete are tested in different age more or less. You can also add your company logo in excel file then print it out.
It is easier to handle and can result in saving of storage space, testing time, materials and labour. For mixing purposes, you can measure proportions by the bucket, by the shovelful, or with a. This is usually called as the characteristic compressive strength of concrete fc fck. Guidebook on nondestructive testing of concrete structures.
Compression test of concrete cube laboratory work 2 author name class. Compressive strength test of concrete cubes daily civil. Concrete ingredients when mixed have considerable amount of entrapped air depending on the workability. Report on compressive strength of concrete cubes customer contractor consultant froject name location. Duplicate copy of the request form should be submitted. Quality control of construction testing of concrete cubes. Compressive strength test is the most common test carried out on concrete. Concrete cube test report format free download as excel spreadsheet. Concrete slump test or slump cone test is to determine the workability or consistency of concrete mix prepared at the laboratory or the construction site during the progress of the work.
View test prep cube test report 1 from civil 20402 at tun hussein onn university of malaysia. Concrete is one of the most important materials used in constructions in the world. Structural concrete properties and practice postgraduate course. Tex424a, obtaining and testing drilled cores of concrete. Chapter 9 standard test procedures tests on concrete may 2001 page 9. Root cause analysis of failures in the testing of concrete.
When we are doing concreting on site and collecting sample for the test there are four possible combinations behind concrete cube fails in test as listed below. While the format of test reports can vary from one testing laboratory to the next, each will contain the information needed to determine whether the concrete meets the jobsite requirements. Special project report spr 396 e development bureau. Therefore using the method of testing using concrete cubes, the tested compressive strength should be compared to the second number. It is performed to check the workability of freshly made concrete, and. Cube moulds are used for testing of hardened cement concrete works. At the top of the form is an area that allows the user to switch between the different units. By this single test one judge that whether concreting has been done properly or not. As strength is a major factor in a uniform quality control program, mndot requires regular cube strength test results to evaluate trends in. Once it sets, after 24 hours remove the concrete cube from the mould. Procedure for compressive strength of concrete or cube test. Specification for moulds for use in tests of cement and concrete. Keep the test specimens submerged underwater for stipulated time. Fill in the box below the name, mailing and email address to which the test reportcertificates should be sent or else mark to be.
Effect of cube size on the compressive strength of concrete. Watch this video and ask your contractor about the test for compressive strength of your. Most commonly used specimens are cylinders and cubes. Tip 11 testing concrete cores the strength of cores is used to verify the quality and strength of concrete in structures. Compressive strength of concrete is 456 interpretation of test results of sample the test results of the sample shall be the average of the strength of three specimen the individual variation should not be more than 15% of the average. The forms can accommodate two different formats, metric and english. Concrete is one of the most used materials in the construction industry. Cube test report 1 compression test of concrete cube. Computing the compressive strength of concrete cubes at 7. Normally it is minimum requirement at site to provide ev.
Concrete cube test report format building building. Scribd is the worlds largest social reading and publishing site. Lab 1 concrete proportioning, mixing, and testing supplemental lab manual prepared by mutlu ozer objectives concepts background experimental procedure report requirements discussion objectives students make concrete according to the mix design. A concrete cube is a sample cube having each dimension of 150 mm. Concrete must be sampled and cubes made and delivered under the supervision of government project site staff. The concrete cube test result will be satisfactory but the concrete in the structure would have a much lower strength. How to do concrete cube test at construction site youtube.
This ensures that the concrete does not stick to the mould and makes it easier to remove the cube. Matest proposes a wide range of testing equipment and high stiffness compression machines manual. Aim of the project our aim is to identify the reason for display of false readings and try to provide corrective measures for the same. Objective the tests are required to determine the strength of concrete and therefore its suitability for the job. Cube testing is a destructive testing method of concrete testing, as the cubes are crushed in compression testing machine. Matt huseman 1212 asbury houston, tx 77007 76908989 reg no. Slump and kelly ball testing would be performed to investigate workability of mixture. Compressive testing machine, foundation of the machine, surface smoothness of the cube test specimen, misalignment of the cube, seal of the hydraulic oil, grade of oil and the play of piston i. When using a 150mm mould, the concrete sample is scooped into the mould in 3 equal layers 50mm and compacted between each layer. Any individual test result of a cube out of the above should not have value less than 21 nmm3. Several variables contribute to define the quality of the concrete utilized for a structure. This report was initiated by a concrete laboratory report brief given out by professor mark alexander in the civ5002z.
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