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