Slump and kelly ball testing would be performed to investigate workability of mixture. Slump test is the most commonly used method of measuring workability of concrete which can be employed either in laboratory or at site of work. Muhamad akmal bin mohamad sharif 03dka16f2030 ainunyasmine binti haslan 03dka16f2023 nirandoal al cheng 03dka16f2029 nur aida binti zainol abidin 03dka16f2027 objective to determine the workability or. 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. Definition slump is the gap between the mold top after removal and the top of result concrete.
This report was initiated by a concrete laboratory report brief given out by professor mark alexander in the civ5002z. Concrete slump test experiment procedure civilology. Slump test is the most commonly used method of measuring consistency of concrete which can be employed either in laboratory or at site of work. Then the compacting factor test was carried out and the results were recorded. Mar, 2019 slump test can be done on site to check the concrete mix has expected fluid properties. Slump test provides immediate result about the consistency and workability of concrete, that is the reason it is used widely in all over the world since 1922. Lab reports by dibyandu pal december 18, 2019 may 1, 2020 leave a comment. A separate test, known as the flow table, or slumpflow, test, is used for concrete that is too fluid workable to be measured using the standard slump test, because the concrete will not retain its shape when the cone is removed. Slump test concrete building engineering free 30day. The result of this slump test value should be recorded in millimeters.
If the slump test result is outside of the slump range, correct before placing th e concrete in the work. In total, 4 cubes and 2 cylinders would be cast for calculating compressive stress of concrete specimen. Weekly certified readymix plant report form 24143 3. 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. The common factor among sources is the reproduction of pain as tension is applied to the dura during testing. Concrete workability, quantified by concrete slump, is an important property of a concrete mixture.
A sample is poured into a mini slump cone, rodded, struck off, and lifted at 2 minutes. The cone was then removed and the slump was measured using a tamping rod and a metre rule as shown in. Lab report 1 in a table, display the actual amount of material used and the theoretical calculated amount of material used. 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. Conclusion slump test to determine the relative water content. The mini slump test is performed for the analysis of flow behavior of cement to check the workability, according to standard astm. The test is carried out in accordance with bs en 123502, testing fresh concrete. Lab report for slump test of concrete workability civil. Oct 03, 2017 astm c231 standard test method for air content of freshly mixed concrete by the pressure method duration.
Add water in measured amounts to bring the slump within the specified range. Concrete slump test is a simple and lowcost test which is prepared in the laboratory or at the construction site for the determination of workability and consistency. For slump measurements made on concrete taken from the same. The concrete slump test is known as standard test method for slump of hydrauliccement concrete and carries the code astm c 143 or aashto t 119. After the material is introduced into the water, the mixing speed in increased from 1,200 rpm to 15,000 rpm for 1 minute. The slump test is described differently among sources. This test plays a vital role in ensuring immediate concrete quality in a construction project. This research proposes a machine learning model for predicting. The remaining paste is remixed at 15,000 rpm for 1. No matter, slump test is a leader among the above tests. With the exception of the widely used slump test, the few methods that have been studied extensively have generally failed to gain widespread acceptance. Slump cone test of concrete civil engineering lab experiment. We usually perform slump test on site and lab due its ease and results.
Lab report on concrete of concrete 1284 words bartleby. The slump test is perhaps the most widely used because of the simplicity of the apparatus required and the test procedure. Compaction factor test civil engineering lab experiment. Compaction factor test of concrete for low workability concrete. Dec 18, 2019 lab report for slump test of concrete workability.
Slump test is an empirical test that measures workability of fresh ppt. After mixing the concrete, the slump test was then carried out. It is a simple and lowcost test prepared at the laboratory or at the site during the work. Concrete slump test theory and lab test civil engineering. Its an indirect measurement of concrete consistency or stiffness. Slump test doesnt give accurate results for the low workability of concrete when the slump is 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. In the freshly prepared cement paste, small particles interact via colloidal forces, such as vander waals, electrostatic repulsion, steric hindrance, and hydrogen bonding, and some bigger particles interact via direct contact like friction or collisions.
Slump test can be done on site to check the concrete mix has expected fluid properties. The test result is only valid if it yields a true slump. The slump should be reported to the nearest 5mm and the type of slump i. If necessary, modify sampling procedures to fit a specific situation. Estimating concrete workability based on slump test with. Concrete slump test is carried out from batch to batch to check the uniform quality of concrete during construction. Test for workability of concrete slump cone youtube. A separate test, known as the flow table, or slump flow, test, is used for concrete that is too fluid workable to be measured using the standard slump test, because the concrete will not retain its shape when the cone is removed. The slump test is a practical means of measuring the workability. The compacting factor test is performed to find out the workability of concrete. Slump test doesnt give accurate results for the low workability of concrete when the slump is mar 09, 2017 the slump test indicates the behavior of a compacted concrete cone under the action of gravitational forces. Slump test is an empirical test that measures workability of fresh concrete, it is performed to check consistency of freshly made concrete.
Lab report on concrete paver block paver blocks 1197 words 5 pages. Standard test method for the slump of hydraulic cement concrete. The technique depicted below is adapted from mark dutton. In the second batch a aircontent and a massunit volume test was conducted with. Even though we have tested its micro contents such as sand, cement, blue metal, and water. Lab report4989259 lab report for construction materials. Even with the increase in knowledge of concrete rheology, the slump test remains. To carry out the slump test, the fresh concrete mix was poured into a truncated cone. This test can be used to measures consistency between the individual batches. The concrete slump test is an onthespot test to determine the consistency as well as workability of fresh concrete. A slump test is a method used to determine the consistency of concrete.
Test procedure the original mini slump cone test procedure uses a 600 gram sample. Introduction the concrete slump test is used for the measurement of a property of fresh. Changes in the value of slump obtained during a job may indicate changes in materials, in the water content or in the proportions of the mix, so it is useful in. Concrete slump test is a measurement of concretes workability, or fluidity. Nov 19, 2015 slump cone test of concrete civil engineering lab experiment. The slump test is used to ensure uniformity for different loads of concrete under field conditions. It can be carried out from batch to batch to check the workability of freshly made. Conclusion slump test to determine the relative water content of concrete, depending on the loss in height slump of a sample obtained from a coneshaped mould. Def12the slump test results in various shapes, and according to the profile of slumped concrete, the slump are usually specified at true slump, shear slump or collapse slump. The purpose of this experiment is to measure the workability of the concrete mixture. Properties of fresh and hardened concrete lab report. Compaction factor test civil engineering lab experiment duration. Concrete slump test procedure applications, types, uses and. The slump test indicates the behavior of a compacted concrete cone under the action of gravitational forces.
Concrete slump is generally known to affect the consistency, flowability, pumpability, compactibility, and harshness of a concrete mix. The concrete slump test aim the aim of this test is the obtain a. It gives quick result about the workability of concrete. For concrete paving projects only, send copies of all agency and contractor tests results including control charts. Concrete slump test for workability procedure and results. The consistency, or stiffness, indicates how much water has been used in the mix. The steel slump cone is placed on a solid, impermeable, level base. Hence, an accurate prediction of this property is a practical need of construction engineers. Structural concrete properties and practice postgraduate course. Astm c231 standard test method for air content of freshly mixed concrete by the pressure method duration. A slump test was carried out and the slump was 75m.