Mode operatoire dessai daffaissement au cone dabrams ou le slump test. Slump tests the slump test is performed on newly mixed concrete. Soda pdf merge tool allows you to combine two or more documents into a single pdf file for free. In a true slump the concrete simply subsides, keeping more or less to shape. Add water, if necessary, in accordance with astm c 94. Also indirectly to determine of concrete consistency or stiffness. Compressive strength of concrete depends on many factors such as watercement ratio, cement strength, quality of concrete material, quality control during production of concrete etc. The measured slump must be within a set range, or tolerance, from the target slump. Slump is a measurement of concrete s workability, or fluidity. The free evaluation copy is valid for 30 days, which is enough for your to test. This test is quick and can be conducted with a small sample size, so that many tests can be performed in a few hours by one person.
But sometimes it is also specified by another test called compaction factor. To perform the test, you need a slump cone and a tamping rod. Nd t 27 sieve analysis of fine and coarse aggregates. 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. This test method was originally developed to provide a technique to monitor the consistency of unhardened concrete. Concrete slump test for workability procedure and results. And more importantly, the stepbystep procedure of slump test followed by the list of cautions during the test and way to measure the workability from the test result. If youre wondering how to combine pdf files easily. Us4460720a multicomponent concrete superplasticizer. Concrete slump test is carried out from batch to batch to check the uniform quality of concrete during construction. Pdf merge combinejoin pdf files online for free soda pdf.
For a 5inchmaximum, the concrete slump as delivered would. The concrete slump test is an onthespot test to determine the consistency as well as workability of fresh 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. Pdf combine x can be setup on windows servers to combine pdf files. The slump test the slump test is done to make sure a concrete mix is workable. Test for workability of concrete slump cone youtube. Aci 30199, specifications for structural concrete, requires the slump and air. Testing slump in your concrete mix and why it is important. Siapkan gambar kerja untuk posisi galian pile cap 2. Slump test is the most commonly used test of measuring workability of concrete. It is one of the physical parameters of concrete which affects the finesse, strength. If the slump and air content meet requirements, complete the discharge. Astm c143 aci slump test of hydraulic cement concrete.
The advantages of this test is that it can beperformed on the concrete placed in site and it is claimed that this test can be performed fasterwith a greater precision than slump test. The ease with which one can work with concrete is called workability this can be measured using a simple test called the slump test. Empty the sample from the container onto the sampling try. 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. Tes uji kuat tekan bertujuan untuk mengetahui kuat tekan beton karakteristik kuat tekan maksimum yang dapat diterima oleh beton sampai beton mengalami kehancuran, serta dapat menentukan waktu untuk pembongkaran bekisting balok dan pelat lantai.
Untuk tie beam dilakukan galian secara manual, sedangkan untuk galian pile cap yang cukup besar dapat digunakan excavator. Thoroughly mix the sample by shovelling to form a cone on the. Concrete slump test uji slump beton sharing materi. Concrete slump test uji slump beton mengukur nilai slump. International federation for structural concrete wikipedia. Acceptance testing and criteria given in clauses 16. Nd t 23 making and curing concrete test specimens in the field. Concrete slump test is a standard and quick test to determine the proportions of various ingredients for preparing concrete of desired consistency and workability. This free online tool allows to combine multiple pdf or image files into a single pdf document. Compressive strength of concrete cube test, procedure. Measure slump from the top of the mold to the displaced original center of the concrete.
The cone is similar in proportion to the actual slump cone. 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. It gives quick result about the workability of concrete. The consistency, or stiffness, indicates how much water has been used in the mix. Us4460720a us06349,555 us34955582a us4460720a us 4460720 a us4460720 a us 4460720a us 34955582 a us34955582 a us 34955582a us 4460720 a us4460720 a us 4460720a authority us united states prior art keywords cement superplasticizer percent weight composition prior art date 19820217 legal status the legal status is an assumption and is not a legal conclusion. The stiffness of the concrete mix should be matched to the requirements for the finished product quality. If a shear or collapse slump is achieved, a fresh sample should be taken and the test is. Code and standards requirements for acceptance testing. 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. Testing for slump flow concrete in accordance with bs en 12350 part 8 find more information about flow concrete here. Commence the slump test as soon as possible after sampling of concrete as per standard procedure described in chapter 2. It is used conveniently as a control test and gives an indication of the uniformity of concrete from batch to batch. We usually perform slump test on site and lab due its ease and results.
Ketentuan bahwa cara uji ini dapat diterapkan pada beton plastis yang memiliki ukuran. Standalone functions such as splitpdf, mergepdf or convertpdftotext. The following tests are commonly employed to check the workability of concrete. That being said, im using the library happily after testing against different solutions. Most people in the business agree that a typical slump for ordinary decorative concrete applications would be in the 4 to 5inch range, but theres. Structural concrete properties and practice postgraduate course. Slump is a test for the rigidity of uncured concrete. In a shear slump the top portion of the concrete shears off and slips sideways. Since 1922 slump test has been widely used to check out the concrete workability at the site. 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. 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.
Slump test measures the consistency or workability of concrete. Standard test method for slump of hydrauliccement concrete. Long delivery, waiting, and unloading times, for example, can decrease slump. The relation between slump and compaction factor is roughly as follows. The test is an empirical test that measures the workability of fresh concrete. It is not a suitable method for very wet or very dry concrete. Never take the sample from the first concrete out of the mixer. If the slump test is to determine whether or not the concrete is to be accepted, the sample must be taken from the early part of the load. The slump operation shall be completed in a maximum elapsed time of 2 12 minutes. Acceptance testing and criteria for ready mixed concrete. Generally we specify workability of concrete in terms of its slump test value. This report was initiated by a concrete laboratory report brief given out by professor mark alexander in the civ5002z. If the specified maximum slump is greater than 3 inches, the plus tolerance is still zero and the minus tolerance is 21. A slump test is a method used to determine the consistency of concrete.
Concrete slump test procedure applications, types, uses. Pdfcombine is the most flexible solution to combine pdfs, add page numbers. Begin and complete slump test within 212 minutes, maximum. In a true slump, the concrete simply subsides and keeping. It is used to check the workability of freshly made concrete for the easy placement of concrete. Consistency is a general term to indicate the degree of fluidity or the degree of mobility. Combine the nine portions minimum to form the combined sample from the truck. What is the importance of slump test in concrete work. Conclusion slump test to determine the relative water. However you define it, though, the bottom line remains the same. 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. Introduction the concrete slump test is used for the measurement of a property of fresh concrete.
It can be employed either in laboratory or at site of work. Additional information on workability and quality of concrete. Ps2pdf free online pdf merger allows faster merging of pdf files without a limit or watermark. Merging, splitting and creating pdf files with powershell evotec.
In a collapse slump the concrete collapses completely. Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. This delay in placing concrete is extremely important when the test is on the first load of concrete of the day. The results of the mini slump test on paste and slump test on concrete are generally correlated. First published by basf1, in two papers presented at the second international symposium on scc, the vsi has subsequently been modified and adopted by astm as referenced in astm international, designation c 1611standard test method for slump flow of selfconsolidating concrete. Pdf combine can combine several pdf files into one pdf via transparent user.
Kekakuan dalam suatu campuran beton menunjukkan berapa banyak air yang digunakan. The period of remixing shall be as short as possible yet sufficient to produce a homogeneous mass. 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. Slump adjustment is a fact of life for concrete contractors, but they should follow these guidelines for its use variations in slump between trucks can be the result of many factors. Test for compressive strength is carried out either on cube or cylinder. Metode kerja bekisting pile cap dan tie beam blogger. The ease with which one can use concrete is called workability. 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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