Proctor compaction test for maximum dry density 1 proctor compaction test for maximum dry density. Ppt proctor compaction test for maximum dry density. Compaction test of soil is also additionally called as proctors test. For the purpose of this test method, finegrained soils include all soil materials having more than 90% of its particles passing a 5. Standard proctor test is used to determine the compaction of different types of soil and the properties of soil with a change in moisture content. The standard proctor test astm d698 employs 12,400 ftlbsft. Objective to obtain the graphical relationship of the dry density to moisture content in the form of compaction curve, for determining the values of optimum moisture. Modified proctor test an overview sciencedirect topics. The proctor compaction test is a laboratory method of experimentally determining the optimal. Two compaction curves were developed for each soil type as the standard and modified proctor test results were plotted. The compaction and cbr test results of the finegrained soils, lateritic soils and crushed rocks were collated from the bureau of rural road 6, the department of rural roads, thailand. This is very logical for better compaction of soil.
Standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft 3600 knmm 1 this standard is issued under the. Procedures were developed during the second world war to run density tests in. Compaction characteristics of soil astm d1557 proctor compaction test prepared by. The proctor compaction test is a test that compacts the soil material at various moisture. To assess the workability of concrete using compaction factor test apparatus compaction factor apparatus trowels hand scoop 15. Use of proctor compaction testing for deep fill construction using impact rollers. Modified proctor aashto t180astm d1557 testing procedures more. These test methods used to determine the relationship between water content and dry unit weight of soils. The determination of maximum dry density and optimum moisture content of the soil is a measure of compaction level of soils. Adjust the water content of each sample by adding water. Generally before any soil compaction occurs various samples of the proposed embankment or fill is analyzed in the lab.
In rocky fills the operator should always rotate the probe 90 degrees and take a second reading, recoding the lower of the two values. All structured data from the file and property namespaces is available under the creative commons cc0 license. You can also choose from electronic, hydraulic proctor compaction test there are 103 suppliers who sells proctor compaction test on, mainly located in asia. This method may be used in conjunction with either the standard or modified proctor density test for determining the percent of maximum density. The same is also known as heavy compaction test as per bis. Standard test method for cbr california bearing ratio of laboratorycompacted soils1 this standard is issued under the. Maximum dry density of soil and optimum moisture content test. Oct 04, 2014 here is the procedure on how to do the compaction test or insitu density test 1. It is possible to apply a static compaction procedure, which. The remaining procedure is same as described above for cc mould. Each layer should receive 25 drops of the compaction hammer. Compaction compaction is the process of increasing the density of soil by mechanical means by packing soil particles closer. For assessment of the compaction properties of a soil sample by proctors test theory compaction refers to the procedure of densification of soil by plummeting air voids.
Standard proctor compaction test and modified proctor compaction test gazigeotech soilmechlab. Like other methods described here, core cutter method of field density test is used to determine the insitu density and compaction of soil embankment or subgrade why core cutter method is used in civil engineer. Proctor, and porter static compaction tests on samples of silt and clayey sand by the army. In modified proctor test, compactive energy is about 4. Pdf mini compaction test apparatus for fine grained soils. Mechanically operated rammer has a face diameter of 50 mm and a free falling weight of 4. Following these procedures assures the validity of test.
The crushed specimens were sieved through a 2mm sieve opening to confirm the soil uniformity and then mixed with 2%, 4%, 6%, and 8% mbhal and dghal contents by weight of the dry clay. In this study, a laboratory procedure is devised to determine the maximum dry density value mdd at optimum. Compaction of soil is the optimal moisture content at which a given soil type becomes most dense and achieve its maximum dry density by removal of air voids. The standard proctor compaction test is used to determine the optimum water content during compaction which gives the greatest soil density. D69812e2 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft3 600 knmm3 density water content particle size.
Compaction behavior of finegrained soils, lateritic soils. Astm d 155707 test method for laboratory compaction. Pdf modified proctor compaction test or heavy compaction. The standard was originall y developed to simulate field compaction in the lab. These companies are licensed by the state of florida to practice engineering and geology. Astm d698 00a standard test methods for laboratory. Compaction factor test for concrete workability method and. Standard proctor test procedure apparatus calculation. The test is named in honor of ralph roscoe proctor, who in 1933 showed that the dry density of a soil for a given compactive effort depends on the amount of water the soil contains during soil compaction.
This process assumes you have launched the sample window from the material inspection detail mid window, in the dwr area. Test compaction for atspeed testing of scan circuits based on nonscan test. As pointed out earlier, if necessary, the expected. This can be measured by mainly two methods standard proctor compaction test and modified proctor compaction test. Proctor density test pdf the standard was originally developed to. The pdf download is licensed per individual in which the individual can place on up to four electronic devices for their personal use. This is important not only for durability, but will save money because less compaction effort is needed to achieve the desired results.
Because of the benefits from compaction, contractors have built larger and heavier machines to increase the amount of compaction of the soil. Ppt proctor compaction test for maximum dry density powerpoint presentation free to download id. It was found that the standard compaction test could not reproduce the densities measured in the field and this led to the development of the modified compaction test. Nuc gages can have significant errors if the extendable probe is located next to a rock 3 inches across. Standard proctor test procedure four to five representative samples of soils are obtained each about 2. Alternative compaction recommendations are also presented based on txdots tx 1e compaction procedure. Astm d698 12e2 standard test methods for laboratory. Compaction test proctor test civil engineering notes. Compaction of soil is the optimal moisture content at. The marginally higher value of omc for cs in the standard proctor test.
Laboratory testing of soil using the standard proctor compaction effort. Comparisons between modified proctor, standard proctor, 15blow. With required test data available, p roceed from left to. Tex241f, superpave gyratory compacting of test specimens of bituminous mixtures section 2 apparatus texas department of transportation 4 txdot 112005 the platen side of each mold bottom must be flat and parallel to its face. Using the proctor mould th cubic foot place compact soil in 3 layers. It is normally undertaken to understand compaction properties of varied soils with alteration in moisture proportion. In this case, a bigger compaction mold of 15 cm internal diameter and 12. Procedure take a representative sample of air dried soil of about 5 kg soil not susceptible to crushing during compaction or 3 kg from 15 kg sample soil susceptible to crushing during compaction passing through 19mm is sieve and mix thoroughly with a. Comparisons between modified proctor, standard proctor, 15 blow proctor, and porter static compaction. In such cases, the soil passing 40mm is sieve should be used for the test. Standard proctor test or proctor compaction test was the original test devised by an american engineer ralph r. Find the optimum moisture content at which the maximum dry unit weig ht is attained astm d 698. The apparatus consists of a cylindrical metal mould of internal diameter 100 mm, 127. Soil compaction testings are performed by professional engineering companies specializing in geotechnical work.
Note 1the equipment and procedures are the same as proposed by the u. Preamble compaction is the process of densification of soil by reducing air voids by mechanical energy. Dec 29, 2015 the proctor compaction test is a laboratory method of experimentally determining the optimal moisture content at which a given soil type will become most dense and achieve its maximum dry density. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them.
Yes or no name mohs name mohs silica 7 alumina 9 quartz 7 iron 5. When developing a curve for free draining soils such as uniform sands and gravels, where seepage occurs at the bottom of the mold and base plate, taking a representative moisture content from the mixing bowl may be preferred in order to determine the amount of moisture available for compaction. Compaction test of soil is carried out using proctor s test to understand compaction characteristics of different soils with change in moisture content. Report modified proctor compaction test or heavy compaction test. Sampling concrete mix m15 is blended according to the specified mix design in the laboratory. The proctor compaction test forms one of the most popular and important. Proctor mould having a capacity of 944 cc with an internal diameter of 10. Tex241f, superpave gyratory compacting of test specimens of. It was developed by road research laboratory in united kingdom and is used to determine the workability of concrete. Laboratory compaction characteristics of soil using modified effort. D698 00a standard test methods for laboratory compaction characteristics of soil using standard effort 12,400 ftlbfft 3 600 knmm 3, impact compaction using standard effort, density, moisturedensity curves, proctor test, compaction characterist, soil compaction. Pdf use of proctor compaction testing for deep fill.
Proctor showing that for a given compaction effort, the density of soil depends on the type of soil and moisture content. Standard proctor test an overview sciencedirect topics. Compaction, relative compaction, dry density, moisture content. Compaction test of soil is carried out using proctors test to understand compaction characteristics of different soils with change in moisture content. The most common is the proctor test, or modified proctor test. In the mould, the soil is compacted in 5 layers giving 25 blows per layer with the 4. Pdf compaction of soil at maximum dry density is required in many engineering projects. Objective to obtain the graphical relationship of the dry density to moisture content in the form of compaction curve, for determining the values of optimum moisture content omc and maximum dry density mdd. Compaction test of soil soil mechanics standardization. The sample must be obtained cautiously and the amount must be enough to suffice the requirements of 4 to 5 repetition while filling the molds as well as the containers for the moisture content determination. Compaction factor test is the workability test for concrete conducted in laboratory. Pdf test compaction for atspeed testing of scan circuits. Chapter 6 standard test procedures determination of insitu density may 2001 page 6. Soil compaction is typically required by contract or specifications to be the responsibility of the contractor.
The corresponding figure with the modified proctor test for the mean omc for cs is 6%, which is lower than the typical value for sand at 9% oflaherty, 2012. The test results of 61 finegrained soils, 68 lateritic soils and 64 crushed rocks were analyzed in this study. Im 309 determining standard proctor moisture density relationship of soils. Both the tests help to determine the optimum moisture content that is required for soil to attain maximum compaction. A particular soil needs to have an ideal or optimum amount of moisture to achieve maximum density. In this article, youll know standard compaction proctor test in. Equipment cylindrical mold measuring 105 mm in diameter, 115. Files are available under licenses specified on their description page. Standard compaction test and modified compaction test. Proctor soil compaction test procedures, tools and results. The degree of compaction of a soil is measured in terms of its dry unit weight. This page was last edited on 16 november 2019, at 15. This test method covers the determination of the california bearing ratio cbr of pavement subgrade, subbase, and basecourse materials from laboratory compacted specimens.
Nd t 224 correction for coarse particles in the soil compaction test. Procedures adopted for conducting is compaction test. The technician can now place the metal tray as per the consultant or quality engineers preferred location. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made. The top countries of suppliers are india, china, from which the percentage of proctor compaction test supply is 1%, 99% respectively.
Determination of water content dry density relation using heavy compaction. Most field compaction tests are now made using nuclear density gages that employ a cesium element. Evaluation of laboratory compaction procedures for. Compaction of soil process, necessity and theory of compaction. A modified proctor test is conducted by placing soil in a standard mold and compacted. This method covers the determination of the relationship between the moisture content and density of soils compacted in a mould of a given size with a 2. Description download modified proctor compaction test or heavy compaction test comments.
This focused attention on the importance of subgrade compaction, leading to the modified proctor compaction test. The compaction factor is the ratio of weights of partially compacted to fully compacted concrete. To take a direct transmission density test and a moisture test follow the procedure listed below. His original test is most commonly referred to as the standard proctor compaction test. Use of proctor compaction t esting for deep fill construction using impact rollers. Standard test method for cbr california bearing ratio of. Testing the standard proctor density in the base trench prior to flowable fill. The adobe flash plugin is needed to view this content. All ram and base plate faces the sides presented to the specimen must be ground.
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