Since the slump test is important, do not substitute a guess for an actual test. 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. To perform the test, you need a slump cone and a tamping rod. The steel slump cone is placed on a solid, impermeable, level base and. It is very useful to check batch to batch or hour to hour variation in the materials which will be fed into the mixer. When the aggregates and cement content remain unchanged, the slump test gives a good measure of changes in consistency. A small variation in slump caused by improper procedure or equipment, may cause the rejection of an entire. Slump test when making the slump test, the base of the slump cone was put on a flat surface. In a true slump the concrete simply subsides, keeping more or less to shape. For dated references, only the edition cited applies. The test equipment required includes a standard slump cone, a slump base plate and a graduated tamping rod used to both tamp the concrete mixture and measure the amount of slump. Mar 18, 20 testing for slump flow concrete in accordance with bs en 12350 part 8 find more information about flow concrete here. Moisten the base plate and inside of slump cone, place base plate on level stable ground and the slump cone centrally on the. Pdf compressive strength and slump flow of self compacting.
Add water in measured amounts to bring the slump within the specified range. The slump test is a means of assessing the consistency of fresh concrete. Here are the steps to do the slump test of concrete. It gives quick result about the workability of concrete. Beton 10 cm kerucut abrams 20 cm 30 cm nilai slump. The tolerance on slump varies by slump level as ordered or specified. With a workable concrete mix, slump test and making concrete cubes was also done. Concrete slump is generally known to affect the consistency, flowability, pumpability, compactibility, and harshness of a concrete mix. More specifically, it measures concrete consistency between batches. We usually perform slump test on site and lab due its ease and results. In a collapse slump the concrete collapses completely.
Pengukuran dilakukan terhadap merosotnya adukan dari puncak beton basah sebelum cetakan dibuka disebut nilai slump. Slump flow test on self compacting concrete for workability. The water content controls and affects the cement content of the concrete. The measured slump must be within a set range, or tolerance, from the target slump. When is the slump test useful in detecting changes in the. Slump plate 500 mm x 500 mm procedure of slump test for concrete.
Berapa nilai slump maksimum yang akan anda tentukan jika dalam spek nilai terbebut tidak dinyatakan. Although, the slump cone test is not entirely satisfactory since it gives widely varying results and also does not give a true measure of workability but it is of value in the field as a control test and is useful in comparing the consistence of successive batches of concrete made with the same ingredients and is one of the simplest tests to. The unit includes sampling and slump testing to a set range or tolerance. Description download bs en 1235022009 testing fresh concrete. Concrete slump test uji slump beton mengukur nilai slump. The following referenced documents are indispensable for the application of this document. Estimating concrete workability based on slump test with.
A small variation in slump caused by improper procedure or equipment,may cause the rejection of an entire load of concrete. With the exception of the widely used slump test, the few methods that have been studied extensively have generally failed to gain widespread acceptance. Semakin kecil nilai slump, maka beton lebih kaku dan workability beton rendah. Concrete slump testing is the most common industry test to measure the workability of concrete and its performance. The cone was then filled with wet concrete in three layers. If a shear or collapse slump is achieved, a fresh sample should be taken and the test is. A concrete batch with high slump is an indication that the concrete has to. Cpccco3033a slump test concrete modification history not applicable unit descriptor unit descriptor this unit of competency specifies the outcomes required to conduct a slump test to concrete to ensure the mix is workable and complies with the delivery docket and specified order. 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. Nevertheless, it is not an adequate tool for assessing lowslump concrete workability. Dengan bantuan sketsa, gambarkan tes berikut untuk mengukur workability campuran beton.
Metode pengambilan contoh untuk beton segar hak cipta badan standardisasi nasional, copy standar ini dibuat untuk penayangan di website dan tidak untuk dikomersialkan. The sensitivity and specificity of the slump and straight leg raised tests in patients with lumbar disc herniation. The consistency therefore is a measure of the water content of the concrete. Aashto t 11999, standard method of test for slump of hydraulic cement cement. Concrete slump test for workability procedure and results. It can be employed either in laboratory or at site of work. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. The slump test based on the astm c143 astm 2004 standard has been widely used as the most common method for evaluating the flow properties of fresh concrete and cement pastes. A little extra effort to observe good practice is the key to ensure that the concrete properties are properly evaluated. Standard slump and flow table tests objective to determine the reference slump value for kistner concrete mix design and to calibrate it against an equivalent measure using a flow table. The concrete slump test is an onthespot test to determine the consistency as well as workability of fresh concrete.
No matter, slump test is a leader among the above tests. Pdf scc concrete has high fluidity that is able to flow and to pass without segregation. Basic slump test components plus a scoop and funnel to aid in filling the slump cone. A concrete slump test is used to determine the correct water content in a batch of concrete.
Two simple tests are used to control the quality of concrete. Concrete workability, quantified by concrete slump, is an important property of a concrete mixture. Slump yang baik untuk pengerjakan beton adalah 70 80 mm. This test is used to determine if the concrete mixture delivered to the project meets the specified slump. This research proposes a machine learning model for predicting. Examination and treatment the slump test is becoming more widely accepted as an examination and treatment procedure for all levels of the vertebral column. Feb 01, 2009 we use your linkedin profile and activity data to personalize ads and to show you more relevant ads. Kekakuan dalam suatu campuran beton menunjukkan berapa banyak air yang digunakan. Standard slump cone 100 mm top diameter x 200 mm bottom diameter x 300 mm high 2. The test is considered positive if symptoms are increased in the slumped position and decreased as the patient moves out of neck flexion. A concrete batch with high slump is an indication that the concrete has to much water in it and will likely be weak when fully cured. The test is an empirical test that measures the workability of fresh concrete. The test is essential for a fuller recognition of the factors contributing to some patients disorders. Fill the container in three equal layers at approximately 258 in 67 mm and 618 in 155 mm from the base.
Consistency is a general term to indicate the degree of fluidity or the degree of mobility. Or slump test is a measure of the consistency of the concrete. Tools standard slump cone 100 mm top diameter x 200 mm bottom diameter x 300 mm high small scoop bulletnosed rod 600 mm long x 16 mm diameter rule slump plate 500 mm x 500 mm method 1 2 3 5 6. Uji slump adalah suatu uji empirismetode yang digunakan untuk menentukan konsistensikekakuan dapat dikerjakan atau tidakdari campuran beton segar fresh concrete untuk menentukan tingkat workability nya. Records are documents that will give, at any time in the future, the following. If slump and air contents are higher then a retest is made immediately and if the retest fails then the concrete is considered to have failed the requirements of the specification. This method of test specifies the procedure to be adopted. In most cases, the test is conducted according to the astm c143 specification. The slump test the slump test is done to make sure a concrete mix is workable. Sketsa gambar slump test dapat dilihat pada gambar 3, sedangkan dokumentasi pelaksanaan uji slump pada gambar 4. 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. Way more information than you ever wanted on how to fell a tree.
Concrete slump test is carried out from batch to batch to check the uniform quality of concrete during construction. Standar ini tidak memasukkan masalah keselamatan yang berkaitan dengan penggunaannya. Sep 16, 2014 here are the steps to do the slump test of concrete. When the slump test is carried out, following are the shape of the concrete slump that can be observed. Slump of concrete is measured in accordance with astm c 143. The slump measured is recorded in terms of millimetre of subsidence of the specimen during the test. The test is carried out from batch to batch to ensure uniformity of different loads. Slump test is the most commonly used test of measuring workability of concrete.
This test plays a vital role in ensuring immediate concrete quality in a construction project. In a shear slump the top portion of the concrete shears off and slips sideways. Slump is the distance, measured in inches, the concrete settles after the slump cone is removed. Fill the container in three equal layers at approximately 258 in 67 mm and 618. The concrete slump test is used for the measurement of a property of fresh concrete. Semua langkah pengujian slump harus diselesaikan dalam waktu maksimal 2,5 menit. Maitlands slump test is a widely used neural tissue tension test. The unit includes sampling and slump testing to a set range.
Moisten the base plate and inside of slump cone, place base plate on level stable ground and the slump cone centrally on the base plate and hold down firmly. The slump flow of concrete is not only determined by the water content, but that is also influenced by other concrete ingredients. Concrete slump test procedure applications, types, uses and. The tool typically has an internal diameter of 100 millimetres 3.
Bidang teknik perencanaan dan pengendalian mutu beton. The nature of the slump observed is slump measured result. Not equivalent to cpccco3033a slump test concrete unit descriptor this unit of competency specifies the outcomes required to slump test concrete to ensure the mix is workable and complies with the delivery docket and specified order. The test is carried out in accordance with bs en 123502, testing fresh concrete. About 6 liter of concrete is needed to perform the test, sampled normally. It is used, indirectly, as a means of checking that the correct amount of water has been added to the mix. Nilai slump diukur berdasarkan tinggi jatuh puncak kerucut. It is used conveniently as a control test and gives an indication of the uniformity of concrete from batch to batch. 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. The slump test is the most widely used test for measuring concrete workability. 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. 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.
Jelaskan apa yang di maksud dengan workabilitas pada beton. Best practices guidelines for concrete construction. Where the materials are being accurately measured, a change in the slump as the work proceeds indicates either a change in the grading of the aggregates or a change in water content or air content of the concrete. Materials natural coarse aggregate and siliceous fine aggregate with maximum size of 38 in. Procedure of slump flow test on self compacting concrete. Provides the basic slump test components in an easycarry configuration. A nontechnical person can perform it without any problem. The slump is carried out as per procedures mentioned in astm c143 in the united states, is. Advantages and limitations of concrete slump test civil. Slump tests the slump test is performed on newly mixed concrete. Testing for slump flow concrete in accordance with bs en 12350 part 8 find more information about flow concrete here. True slump true slump is the only slump that can be measured in the test. The water content controls and affects the cement content of the.
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