Slump testing is a means of measuring the consistency of concrete using a slump cone. Empty the sample from the container onto the sampling try. It can be employed either in laboratory or at site of work. Procedure to determine workability of fresh concrete by slump test. Astm c143 aci slump test of hydraulic cement concrete. Concrete slump test is carried out from batch to batch to check the uniform quality of concrete during construction. Under laboratory conditions, with strict control of all concrete materials, the slump is generally found to increase proportionally with the water content of a given concrete mixture, and thus to be inversely related to concrete strength.
Concrete is placed into a cylindrical steel mold with an inner diameter of 36 mm. Feb 01, 2009 we use your linkedin profile and activity data to personalize ads and to show you more relevant ads. Pdf the minislump test is a fast, inexpensive and widely adopted method for evaluating the workability of fresh cementitious pastes. The slump plate should be clean, firm, level and nonabsorbent. Correlating slump, slump flow, vebe and flow tests to. Pdf reproducible minislump test procedure for measuring. Geometry and boundary conditions of slump cone test. The ease with which one can use concrete is called workability. Slump test equipment reliance laboratory equipment. Slump test free download as powerpoint presentation. Lift the cone vertically with a slow even motion, taking approximately 5 seconds to remove the cone. Free software downloads we have just added a free download for our bm239 marshall test.
Provides the basic slump test components in an easycarry configuration. Slump test is an empirical test that measures workability of fresh concrete, it is performed to check consistency of freshly made concrete. The concrete slump test is used for the measurement of a property of fresh concrete. The equipment for the slump test includes a hollow frustum of a cone and a ruler as the measuring device see figure 1. Standard test method for the slump of hydraulic cement concrete. Slump test is used to determine the workability of fresh concrete. The portable slump cone test set includes all tools necessary to conduct a slump test on a sample of freshly mixed concrete. This test plays a vital role in ensuring immediate concrete quality in a construction project. 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. Slump test is the most commonly used test of measuring workability of concrete. The slump test set is galvanized to prevent corrosion. The measured slump must be within a set range, or tolerance, to check the workability of concrete.
A steel mould in the form of frustum of cone is used in slump test which has the top diameter of 100 mm, bottom diameter of 200 mm and the height is 300 mm. Collect a sample of concrete to perform the slum test. The internal surface of the mould is thoroughly cleaned and freed from superfluous moisture and adherence of any old set concrete before commencing test. The slump test conducted with the abrams cone 8,9, the flow test described in the astm standard c1437 10, and the mini slump test performed with molds of various shapes 1112 14 are. Concrete technology by dibyandu pal april 2, 2020 may 2, 2020 leave a comment. Concrete slump test uji slump beton sharing materi. Way more information than you ever wanted on how to fell a tree.
Lightweight, plastic slump cone will not dent or rust and can be cleaned with an acid bath. The standard cone is particularly suitable for field testing, where large backfill quantities are available, but is. In the united kingdom, the standards specify a slump cone height of 300 mm, a bottom diameter of 200 mm and a top diameter of 100 mm. The slump test indicates the behavior of a compacted concrete cone under the action of gravitational forces.
To measure the consistency of concrete by using slump cone apparatus required. The mini slump test is the most common method for quality control in characterizing the pastes and grouts. Mar, 2019 since 1922 slump test has been widely used to check out the concrete workability at the site. Typically, in a slump test, a mould of a given conical shape fig. From a practical point of view, two geometrical quantities can be measured as the result of the test. Concrete slump test or slump cone test is to determine the workability or consistency of concrete mix prepared at the laboratory or the. The slump test conducted with the abrams cone 8,9, the flow test described in the astm standard c1437 10, and the minislump test performed with molds of various shapes 1112 14 are. Thoroughly mix the sample by shovelling to form a cone on the.
Test procedure the original mini slump cone test procedure uses a 600 gram sample. The flow table test procedure does not conform with astm standard and is as follows. The slump cone apparatus for conducting the slump test essentially consists of a metallic mould in the form of a frustum of a cone having the internal dimensions as. The slump test is done to make sure a concrete mix is workable. It is one of the physical parameters of concrete which affects the finesse, strength and durability.
It is used conveniently as a control test and gives an indication of the uniformity of concrete from batch to batch. The concrete slump test is an onthespot test to determine the consistency as well as workability of fresh concrete. Slump cone test set myers concrete slump testing equipment. It is the most common method for measuring the workability of freshly mixed concrete. The test methods used should be simple, direct and convenient in their application. Laboratory and numerical simulationbased approach for consistency of mill tailings paste. Find powerpoint presentations and slides using the power of, find free presentations research about slump test ppt. When a truck mixer reaches the checkpoint, the quality engineer should check the delivery note to ensure that the concrete delivered is in compliance with the concrete grade required for the concrete element to be cast.
Slump test for concrete concrete building materials. The time required for the shape of concrete to change from slump cone shape to cylindrical shape in seconds is known as vee bee degree. Since fibers impart considerable stability to a fresh concrete mass, the slump cone is not considered as a good index of workability. Slump cone test of concrete civil engineering lab experiment duration. The apparatus used for doing slump test are slump cone and tamping rod. The slump cone is a hollow frustum made of thin steel sheet with internal dimensions, as the top diameter 10 cm. The cone is made of galvanized metal with an 8inchdiameter base, a 4inchdiameter top, and a 12inch height. This is a good laboratory test to measure indirectly the workability of concrete. Lay the rod across the top of the slump cone and measure the amount of the slump to the nearest 5 mm from the bottom of the rod to average top of the slumped concrete. 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. Since 1922 slump test has been widely used to check out the concrete workability at the site. Pdf a miniature cone for measuring the slump of soilbentonite. Sharing materi perkuliahan teknik sipil untuk mengembangkan blog ini, mohon pembaca memberikan komentar dan sharing ke media social lainnya seperti facebook dan twitter. Standard slump cone 100 mm top diameter x 200 mm bottom diameter x 300 mm high small scoop.
Tests on concrete concrete slump test, compression test for. Basic slump test components plus a scoop and funnel to aid in filling the slump cone. This method provides instructions for checking the critical dimensions of a slump cone used for. Stand firmly on the footpieces and fill the volume of the cone with the sample. The slump operation shall be completed in a maximum elapsed time of 2 12 minutes.
View and download powerpoint presentations on slump test ppt. It is used to check the workability of freshly made. Standard slump cone 100 mm top diameter x 200 mm bottom diameter x 300 mm high. Used to determine the consistency of concrete mixes having medium and high workability. Test for workability of concrete slump cone youtube. Slump test for concrete to determine its workability. 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. The slump cone test set is supplied complete with slump cone top dia.
Firstly, make sure that the slump table and cone are damp. Slump cone test set testmak material test equipments. Dec 18, 2019 to determine the workability or consistency of a concrete mix of given proportion by slump test. This test consists of a vibrating table, a metal pot, a sheet metal cone, a standard iron rod. The attached handle can be rotated above the specimen and used as a guide to measure the slump. Estimating concrete workability based on slump test with. Pdf reproducible minislump test procedure for measuring the. The consistency, or stiffness, indicates how much water has been used in the mix. Dimensions 200 x 100 x 300mm h steel tamping rod, dia 16 x 600mm l slump metal base plate 450 x 450mm. When vertically lifting the filled cone, the gravity induces the paste to slump down. Experiments on partial replacement of coconut shell as coarse.
Experiments on partial replacement of coconut shell as. Slump test measures the consistency or workability of concrete. Standing on the foot lugs throughout the test, fill the cone one third by volume and rod 25 times with a 16 mm diameter x 600 mm long hemispherically tipped steel. How to form, pour, and stamp a concrete patio slab duration. 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. Slump test is an empirical test that measures workability of fresh ppt. Concrete slump test is carried out to check the uniform quality during construction. The slump cone is removed carefully in the vertical direction without affecting the shape of concrete slump. The stiffness of the concrete mix should be matched to the requirements for the finished product quality. The base and the top are open and parallel to each other and at right angles to the axis of the cone figure 64. Uniformity of the concrete regarding workability and quality aspects can be assessed from batch to batch by observing the nature in which the concrete slumps. Roll the drum for a certain time to completely mix the concrete inside. According to indian standard specification, the maximum size of the aggregate in concrete that can be used to perform slump test is restricted to 38 mm.
It is used to check the workability of freshly made concrete for the easy placement of concrete. For concrete definition a slump test is a method used to determine the consistency of concrete. The slump test is the most commonly used method of measuring the consistency of concrete which can be employed either in a laboratory or at the. Pdf measurement of slump for soilbentonite sb cutoff wall backfill using a standard astm c14300. This test method was originally developed to provide a technique to monitor the consistency of unhardened concrete. Place the slump table on level and stable ground and make sure it will not vibrate while placing the concrete. The remaining paste is remixed at 15,000 rpm for 1. Additionally, all components of the set combine into a onepiece unit. Iron pan to mix concrete, weighing machine, trowel slump, cone, scale, and tamping rod.
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 water content was adjusted to compensate for the dry gravel and sand used in the lab. Standard test method for slump of hydrauliccement 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. Slump test for concrete to determine its workability civil. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. A sample is poured into a mini slump cone, rodded, struck off, and lifted at 2 minutes. The apparatus is a metallic truncated cone opened at both ends and placed on a metallic plate. Equipments required for concrete slump test mold for slump test i. To determine the workability or consistency of a concrete mix of given proportion by slump test.
Here are the steps to do the slump test of concrete. Apr 02, 2020 slump test of fresh concrete with slump cone. The test is in conformity with the vietnamese standard tcvn3106 for slump test which is equivalent to the astmc143. Concrete slump test for workability procedure and results. The minislump test is the most common method for quality control in characterizing the pastes and grouts. All the equipment must be dampened prior to testing, including the base on which the slump cone is set. The tool typically has an internal diameter of 100 millimetres 3. This standard has been prepared with this object in view and provides a guide to the sampling, analysis, and determination of linear changes of concrete.
Slump test of fresh concrete with slump cone civil. Place the slump cone on the table and stand on the footpieces builtin with the cone. Commence the slump test as soon as possible after sampling of concrete as per standard procedure described in chapter 2. 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.
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