This is the most widely used method for the design of flexible pavement. However this trend wasnt observed in the standard proctor test and therefore the experiment can be considered unsuccessful. Now dividing the proctor at state detail that means proctor a cylinder detail, so it has a diameter 10 centimeter, height 12. In the standard proctor test, the soil is compacted by a 5. 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.
Compaction test proctor test civil engineering notes. Compaction, composition of soils, standard and modified. Astm d698 12e2 standard test methods for laboratory. The rapid compaction test is a threepoint proctor compaction test that. Proctor showing that for a given compaction effort, the density of soil depends on the type of soil and moisture content. Compaction test light weight standard proctor compaction is 2720part vii1980 reaffirmed2011 theory. Proctor went on to teach at the university of arkansas. Chapter 12testing of cement part 1 page 61 a bed of cement is prepared in special permeability cell and have exact porosity e 0,500 weight a quantity of cement. The result from a standard proctor compaction test astm d698 are given below. Standard test method for unconfined compressive strength of intact rock core specimens particle size analysis of soils determination of organic content in soils by loss on ignition.
Normally sand replacement method is adopted for this purpose. 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. This test is widely used to obtain the bearing capacity of soil. 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. Guidelines for earthwork construction control testing of.
Compaction of soil is the optimal moisture content at which a given soil type becomes most dense and achieve its. Lab report proctor testcompaction test introduction for. Standard proctor on the geotechnical information website. Compaction test of soil soil mechanics standardization.
Odot aasht o astm mftp odot laboratory test method s with aashto, astm and mftp test references description of test t 112 tm 222 t 1 tm 225 tm 22695 tm 227. Then the cbr specimens were prepared using water same as quantity. It is an instantaneous process and always takes place in. Empirical evidence suggests that the percentage of coarse fraction content on soil has an influence on the soil optimum moisture content omc and soil maximum dry density mdd.
Sep 23, 2017 nptel follows the multiple choice questions mcq mostly. Proctor test a laboratory compacting procedure whereby a soil at a known water content is placed in a specified manner into a mold of given dimensions, subjected to a compactive effort of controlled magnitude, and the resulting unit weight determined. Proctor density test pdf the standard was originally developed to. Proctor soil compaction test procedures, tools and results. 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. A higher and more relevant compaction standard was necessary.
Effect of compaction effort factors affecting compaction the compaction energy per unit volume used for the standard proctor test can be. Compaction of soil process, necessity and theory of compaction. Compaction of soil process, necessity and theory of. Each of these tests can be performed in three different methods as outlined in the attached table 1. The proctor compaction test is a laboratory method of. Sep 03, 20 water content dry density relation using light compaction nctel.
Standard proctor test or proctor compaction test was the original test devised by an american engineer ralph r. Test soil compaction, consolidation and strength for different locations. There were larger and heavier compaction equipment, like large vibratory compactors and heavier steelface rollers. The standard proctor is a laboratory test performed in order to determine the maximum dry density and optimum moisture content of a given soil. For the preparation of soil samples of reinforced soil the desired amount of fiber was mixed in dry state before the addition of water and then compacted to same proctor density as per is. Field density test of soil by sand replacement method. This test is the most frequently used subsurface exploration drilling test performed worldwide. In geotechnical engineering, soil compactionis the process in which a stress applied to a soilcauses densification as air is displaced from the pores between the soil grains. So for this it is very important to determine the compaction characteristics of the soil sample by using the standard proctor compaction test. Tests applied on bitumen procedure of tests on asphalt.
Objective to determine the required amount of water to be used when compacting the. Indian standard soil classification system, field identification of soils. Preamble compaction is the process of densification of soil by reducing air voids by mechanical energy. It is the ratio of force per unit area required to penetrate a soil mass with standard circular piston at the rate of 1. Sand replacement method is also known as sand cone method. 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. D698 07 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft 3 600 knmm 3, compaction characteristics, density, impact compaction, laboratory tests, moisturedensity curves, proctor test, soil, soil compaction, standard effort. Geotechnical engineering lab vi semester page 3 gcem syllabus geotechnical engineering laboratory. So for the standard proctor test, let us say the number of blows is 25 and number of layer is 3 and height of fall is 31cm and weight of the hammer is 2. The soil was then compacted to its maximum dry density obtained by laboratory standard proctor test. According to compaction theory, when samples of a soil are compacted at different water contents using the same compactive. These mechanical soil compactors feature automatic counting of hammer blows and shutoff upon. Soil compaction test equipment proctor soil density.
The compaction test was performed by taking 6 kg of dry sample to perform test with variation in the percentage of the moisture as per the is 2720 part 8 1983. Mould has detachable collar and base plate assembly. This method covers the determination of the relationship between the moisture content and density of soils compacted in a mould. The apparatus used in this field density test consists of a sand pouring cylinder, with pouring cone at its.
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. A study of effective soil compaction control of granular soils. And we have defined different aspects of the standard proctor test setup and then we. In 1958, the modified proctor compaction test was developed as an astm standard. An example of cone penetration test measurements this data gives a profile of the subsoil layers, often called a trace. Guidelines for earthwork construction control testing of gravelly soils 3 reclamation uses the rapid compaction test usbr 7240 5, astm d 5080 6 for routine control of silty or clayey soils. Proctor mould having a capacity of 944 cc with an internal diameter of 10. Proctor 1933 was the first to develop a method of assessing compacted fill that has since become a universal standard and the test is known as standard proctor test. Equipment cylindrical mold measuring 105 mm in diameter, 115. D69812e2 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft3 600 knmm3 density water content particle size.
Compaction test of soil is carried out using proctor s test to understand compaction characteristics of different soils with change in moisture content. Testing the standard proctor density in the base trench prior to flowable fill. Proctor test compaction test introduction for earthwork construction it is important to compact soils to a dense state so that the soils will attain satisfactory engineering properties. 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. Soils engineer materials division virginia department of transportation introduction.
The field density test of soil is conducted in the field to know whether the specified compaction is achieved or not. Nov 03, 2014 types and details of laboratory compaction techniques two types of compaction tests are routinely performed. The result from a standard proctor compaction test. Standard proctor test is also known as light compaction test as per bis.
In order to realize the relationship between the moisture content and the compactness of soils, the compaction test is used so called proctor test and its result is the compaction curve a relationship between the dry density and its relevant moisture content see a picture on the left. Need to finish those assignments in the given time period. Nptel national programme on technology enhanced learning cdeep iit bombay geotechnical engineering laboratory. In this article, youll know standard compaction proctor test in details from apparatus, theory, to result and much more. Estimation of subgrade resilient modulus using the. Use of proctor compaction testing for deep fill construction using impact rollers.
Pot the corresponding compaction curve and determine the maximum dry unit weight of compaction and the optimum moisture content. The results obtained by these tests are used with the empirical curves to determine the thickness of pavement and its component layers. Nptel follows the multiple choice questions mcq mostly. So this, from the prehistoric time the builders have. The california bearing ratio test cbr test is a penetration test developed by. Mechanical soil compactors for standard and modified proctor compaction and preparation of california 216 samples. However, standard proctor density criteria is typically utilized in the eastern us where. Soil compaction, modified proctor test, types of rollers, field. Soil density standard vs modified proctor reinforced soil structures routinely specify that all soils be compacted to 95% of the maximum density determined by astm d698 standard proctor density for conformance with the design. Maximum dry density of soil and optimum moisture content test. The amount of penetration of the needle at the end of 5 seconds is measured in units of 0. The standard proctor compaction test is used to determine the optimum water content during compaction which gives the greatest soil density. So you have to calculate what should be the compactive energy.
The line of optimum moisture contents is usually around 85% saturation and the optimum moisture content decreases with increasing compactive effort. Cbr test procedure california bearing ratio for road design. The test procedure is described in iso 224763, astm d1586 and australian standards as 1289. A study of effective soil compaction control of granular soils by vincent drnevich, p. Water content dry density relation using light compaction nctel. In this project we have used both the method of compaction, standard proctor testspt and modified proctor test mpt.
The modified proctor usually yields a higher maximum dry density of about 5% with relation to the standard effort proctor. The standard penetration test spt is most popular and economical test to determine the surface information, both on land and offshore. The proctor compaction test is a laboratory method of experimentally determining the optimal moisture content at which a given soil type will. Pdf use of proctor compaction testing for deep fill. This method covers the determination of the relationship between the moisture content and density of soils compacted in a mould of a. British standard bs77 vibrating hammer method astm d 4253 maximum index density and unit weight of soils using a vibratory table based on the results of these tests as well as additional tests to measure the compressibility of the soil, recommendations were made for compaction. Venkatachalam, department of civil engineering, iit bombay. Compaction test of soil is carried out using proctors test to understand compaction characteristics of different soils with change in moisture content. Estimation of subgrade resilient modulus using the unconfined compression test november 2014 6. Department of civil engineering geotechnical engineering lab lab manual 10cvl67 20162017.
Compaction tests results vary with the input compactive effort, usually measured in foot pounds per cubic foot of soil. The modified proctor astm d1557 is a different, but similar, laboratory test used for the same thing. Standard penetration test spt of soil procedure, tools. Coefficient of permeability by constant head and variable head methods. Standard proctor test procedure apparatus calculation. Standard proctor compaction test and modified proctor compaction test.
Chapter 5 engineering properties of soil and rock 5. What is the difference between standard proctor test and. 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. Notes on the standard penetration test origins of the standard penetration test around 1902 colonel charles r.
Standard proctor test 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. It is also desirable to know the optimum soil conditions for compacting a given soil. A study on cement stabilized conventional waste and. A soils optimum moisture content is usually lower when compacted to modified proctor versus standard proc. So in case of modified proctor test then number of layer is 5 as in standard proctor test we use number of layer 3. Evaluation of laboratory compaction procedures for. Regression analyses were performed to determine a suitable correlation to. Estimation of subgrade resilient modulus using the unconfined. The soil moisture content and the degree of dry density to which the soil is prepared to be compacted maintain a definite relationship. Indian institute of technology gandhinagar department of.
Consolidation test determination of compression index and coefficient of. Determine moisturedensity relationship of soil using standard proctor test. The standard penetration test spt is an insitu dynamic penetration test designed to provide information on the geotechnical engineering properties of soil. Water content dry density relation using light compaction. This suggests the presence of errors in the experiment. The method is applicable to a broader range of soils than current vibratory. Results from the proctor test are mostly used to determine the relative compaction of fill soils by dividing the dry density of the fill soil by the maximum dry density from the proctor. Senior research scientist virginia center for transportation innovation and research wan soo kim, ph.
1194 1257 875 1356 1342 1656 633 114 1422 302 140 178 576 62 1329 397 1074 1482 1648 768 480 1440 1277 1609 920 1663 501 129 458 549 1170 1548 1153 696 1576 1141 1325 237 76 807 1434 624 850 558 1218 796 1371 1444 1120 637