Slump test report pdf

Technical report pdf available october 20 with 20,565 reads. Equipments required for concrete slump test mold for slump test i. Concrete slump test for workability procedure and results. Scribd is the worlds largest social reading and publishing site.

For concrete paving projects only, send copies of all agency and contractor tests results including control charts. The slump test is the most simple workability test for concrete, involves low cost and provides immediate results. It can be carried out from batch to batch to check the workability of freshly made. Test 555, method of test for slump of fresh portland cement concrete pdf.

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. The test is carried out using a metal mould in the shape of a conical frustum known as a slump cone or abrams cone, that is open at both ends and has attached handles. If the slump test result is outside of the slump range, correct before placing th e concrete in the work. We usually perform slump test on site and lab due its ease and results. Cube and slump test report density concrete scribd. Cast 6 cylinders compression test the compressive strength of concrete is one of the factors, which controls the loads, which may be applied to a concrete structure. Even with the increase in knowledge of concrete rheology, the slump test remains. In the united kingdom, the standards specify a slump cone height of 300mm, a bottom diameter of 200mm and a top diameter of 100mm. The remaining paste is remixed at 15,000 rpm for 1.

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. The contents of this report reflect the views of the authors who are responsible for the. Typically, in a slump test, a mould of a given conical shape fig. The stiffness of the concrete mix should be matched to the requirements for the finished product quality. The consistency, or stiffness, indicates how much water has been used in the mix. The test result is only valid if it yields a true slump. A small variation in slump caused by improper procedure or equipment, may cause the rejection of an entire. The test is considered positive if symptoms are increased in the slumped position and decreased as the patient moves out of neck flexion. The slump plate should be clean, firm, level and nonabsorbent. Slump test laboratory report iics september 19, 2017 teoh yee theng ho pei ern ng chen. From a practical point of view, two geometrical quantities can be measured as the result of the test. The tool typically has an internal diameter of 100 millimetres 3. Other free flow test methods represent attempts to improve on the slump test.

The slump flow test is used assess the horizontal free flow of self compacting concrete in the absence of obstructions. Any slump specimen which collapses or shears off laterally gives incorrect result and if this occurs the test shall be repeated with another sample. Summary of concrete workability test methods the university of. If, in the repeat test also, the specimen should shear, the slump shall be measured and the fact that the specimen sheared, shall be recorded. Record the actual weight of water and cement used 15. The slump test is used to ensure uniformity for different loads of concrete under field conditions. The slump test is a neural tension test used to detect altered neurodynamics or neural tissue sensitivity. 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. Chapter 9 standard test procedures tests on concrete may 2001 page 9. It is used, indirectly, as a means of checking that the correct amount of water has been added to the mix. Distribute rodding evenly over the entire cross section of the. Measure the amount of slump in inches from the bottom of the straight edge to the top of the slumped concrete at a point over the original center of the base. 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.

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. With the exception of the widely used slump test, the few methods that have been studied extensively have generally failed to gain widespread acceptance. The authors listed two studies that reported results on the slump test. T is the diameter of the concrete circle is a measure for the filling ability. Slump test is an empirical test that measures workability of fresh ppt. Add water in measured amounts to bring the slump within the specified range. It is a simple and lowcost test prepared at the laboratory or at the site during the work. The attached handle can be rotated above the specimen and used as a guide to measure the slump. Cube and slump test report density concrete free 30. Slump flow test on self compacting concrete for workability.

The concrete slump test is an onthespot test to determine the consistency as well as workability of fresh concrete. The two things that contribute most to an invalid test are improper rodding and carelessness in removing the mold. This test method is used in lab and in field for finding out the slump decrease in the height of concrete when we lift up the mould. Conclusion slump test to determine the relative water content. The steel slump cone is placed on a solid, impermeable, level base and.

The british standards do not explicitly specify that the cone should only be lifted. Evaluation of consistency properties of freshly mixed concrete. A sample is poured into a mini slump cone, rodded, struck off, and lifted at 2 minutes. This paper reports the results of a 2d simulation for. The slump test is a means of assessing the consistency of fresh concrete. How we measure reads a read is counted each time someone views a publication summary such as the title, abstract, and list. Cube and slump test report free download as word doc. Free flow tests generally give a result that is closely related to yield. If this test is being carried out in the field, the sample mixed concrete shall be. The slump test gives satisfactory results for the concrete mix of medium to high workability and unfortunately, it does not give the correct indication of low workability, which may give zero slumps. Workability test methods research report icar 1051 sponsored by the aggregates foundation for technology, research and education. Pdf simulation of the slump test based on the discrete element. The sensitivity and specificity of the slump and straight leg raised tests in patients with lumbar disc herniation. Tests on concrete concrete slump test, compression test for.

Measure the slump as the difference between the height of the mould and 11 results slump for the. When the slump test is carried out, following are the shape of the concrete slump that can be observed. The slump is carried out as per procedures mentioned in astm c143 in the united states, is. Due to this fact, it has been widely used for workability tests since 1922. The cone was then removed and the slump was measured using a tamping rod and a metre rule as shown in. Mar, 2019 slump test can be done on site to check the concrete mix has expected fluid properties. No matter, slump test is a leader among the above tests.

The slump vertical settlement measured shall be recorded in terms of millimeters of subsidence of the specimen during the test. The slump operation shall be completed in a maximum elapsed time of 2 12 minutes. Slump plate 500 mm x 500 mm procedure of slump test for concrete. Sep 19, 2017 view test prep slump test lab report camile. This is a specification requirement which will produce nonstandard results unless followed exact ly. Pdf the minislump test is a fast, inexpensive and widely adopted method for evaluating the workability of fresh cementitious pastes. 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. Mould or slump cone with a height of 300 mm, bottom diameter 200 mm, and top diameter. The technique depicted below is adapted from mark dutton. Continue taking slump tests and adding water and cement until the desired slump is obtained. Measure the slump as the difference between the height of the mould and 11 results slump for the given sample is 50mm and the shape of. 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. Slump test is an empirical test that measures workability of fresh concrete, it is performed to check consistency of freshly made concrete.

Report slump test concrete building materials scribd. The slump should be reported to the nearest 5mm and the type of slump i. Slump cone sets slump cone set the portable slump test set includes all tools necessary to conduct a slump test on a sample of freshly mixed concrete. The test method is based on the test method for determining the slump. After mixing the concrete, the slump test was then carried out. Pdf reproducible minislump test procedure for measuring the. Weekly certified readymix plant report form 24143 3. Title and subtitle summary of concrete workability test methods 6. Collect a sample of concrete to perform the slum test. The unique base design allows all components to be combined into a onepiece unit.

For slump measurements made on concrete taken from the same. This test is used extensively in site works all over the world. The mold for the test is in the form of the frustum of a cone having height 30 cm, bottom diameter 20 cm and top diameter 10 cm. Stankovic et al 1999 present the results of the slump test at different cutoff values angles at which pain occurred, showing that sensitivity of the slump test was poor 0. A slump test is a method used to determine the consistency of concrete. This test plays a vital role in ensuring immediate concrete quality in a construction project. The common factor among sources is the reproduction of pain as tension is applied to the dura during testing. Test procedure the original mini slump cone test procedure uses a 600 gram sample. Slump is a measurement of concretes workability, or fluidity. The test is carried out in accordance with bs en 123502, testing fresh concrete. It gives quick result about the workability of concrete.

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. To carry out the slump test, the fresh concrete mix was poured into a truncated cone. If necessary, modify sampling procedures to fit a specific situation. Concrete slump test procedure applications, types, uses and. Fill cone full by volume and rod 25 times with 58inchdi ameter x 24inch long hemispherical tip steel tamping rod. Stand firmly on the footpieces and fill the volume of the cone with the sample. After the material is introduced into the water, the mixing speed in increased from 1,200 rpm to 15,000 rpm for 1 minute. This test can be used to measures consistency between the individual batches. It was first developed in japan for use in assessment of underwater concrete.