Astm d698 12e2 standard test methods for laboratory. It is similar to the british standard heavy compaction test. Modified proctor test an overview sciencedirect topics. His original test is most commonly referred to as the standard proctor compaction test. Pdf use of proctor compaction testing for deep fill construction. So this read explains in depth, the significance, background, apparatus and procedure of the standard proctor test. There are two proctor tests that defined by the american association of highway officials and american standard testing material. Note 1 it is important that the water is mixed thoroughly and adequately with the soil, since inadequate mixing gives rise to variable test results. Soil compaction is the process in which stress is applied to a soil which causes densification as the voids are filled with solids. Compaction tests results vary with the input compactive effort, usually measured in foot pounds per cubic foot of soil. The standard proctor test astm d698, aashto t99, and the modified.
At the same time and for each proctor test, modulus tests are performed to obtain the lab soil modulus. With required test data available, p roceed from left to. Fundamentals of soil compaction intelligent compaction. For projects where impact rollers are used, the modified proctor test is. Us army corps of engineers developed modified proctor test which used greater levels of compaction and produced higher densities. Maximum dry density of soil is determined in the laboratory with the help of standard proctor test standardized by astm d698 and aashto t99. The proctor compaction test is a laboratory method of experimentally. Algorithms were subsequently developed to compare the difference between. October 15, 2018 introduction it is known that optimum moisture content w% is one of the most important factors for obtaining a soils maximum dry density which is required to maximize its strength. Modified proctor test is used to determine the compaction of different types of soil and the properties of soil with a change in moisture content.
Laboratory compaction of soils using a small mold procedure. A particular soil needs to have an ideal or optimum amount of moisture to achieve maximum density. Jan 27, 2019 maximum dry density of soil is determined in the laboratory with the help of standard proctor test standardized by astm d698 and aashto t99. The line of optimum moisture contents is usually around 85% saturation and the optimum moisture content decreases with increasing compactive effort. Jul 26, 2018 in this video we will see how to do the proctor compaction test as indian standard for heavy compaction. The proctor compaction test is a test that compacts the soil material at various moisture contents. The standard proctor test astm d698 employs 12,400 ftlbsft. Hi friends, in this video we are showing full procedure of proctor test specially for wmm as per morth 5th revision. All these results have been obtained using the standard proctor and modified proctor test methods. Compaction test of soil is carried out using proctors test to understand compaction characteristics of different soils with change in moisture content. Proctor soil compaction test procedures, tools and results.
Laboratory compaction curves were developed for nine soils with clay contents ranging from 232 to 385 g kg 1 using the standard proctor test procedure and the proposed procedure, which uses a 54. The standard proctor approximates the compaction effort achieved by earlier generations of compaction equipment. Comparisons between modified proctor, standard proctor, 15 blow proctor, and porter static compaction tests on samples of silt and clayey sand by the army corps of engineers in 1945. Proctor first defined this standard compaction test in engineering news record. Compaction of soil at maximum dry density is required in many engineering projects. 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. In this study, a laboratory procedure is devised to determine the. The details included in this test method are for use with the standard proctor test. Aug 23, 2018 proctor compaction test, soil proctor test full procedure, mdd omc test, standard proctor test,modified proctor hi friends, in this video we are showing full procedure of proctor test specially. Standard proctor test an overview sciencedirect topics. Standard proctor test, proctor compaction test, calculation. In this article, youll know standard compaction proctor test in details from apparatus, theory, to result and much more.
Two compaction curves were developed for each soil type as the standard and modified proctor test results were plotted. Astm d698 00a standard test methods for laboratory. In geotechnical engineering, soil compactionis the process in which a stress applied to a. 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 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. Compaction test of soil is also known as proctors test is done to understand. Soil is compacted in five layers, each layer being given 55 blows of the 4. In order to evaluate the compaction of soil we have achieved at site. Summary of method the test consists of the following steps which are explained in the test procedure. Standard proctor test is used to determine the compaction of different types of soil and the properties of soil with a. Compaction test light weight standard proctor compaction is 2720part vii1980 reaffirmed2011 theory. A soils optimum moisture content is usually lower when compacted to modified proctor versus standard proc. Modified proctor aashto t180astm d1557 testing procedures more.
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. This plays a vital part in construction for soils are mainly used as supports for a lot of infrastructures. For determination of the relation between the water content and the dry density of soils using light compaction. All modified proctor compaction tests were performed in accordance with the astm. D69812e2 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft3 600 knmm3 density water content particle size. Its process is almost same as standard proctor test with little differences which you will know here in details. This is important not only for durability, but will save money because less compaction effort is needed to achieve the desired results. Standard proctor test for soils abstract soil compaction is the process in which stress is applied to a soil which causes densification as the voids. Standard proctor compaction test university of texas at. Compressive strength test of concrete cube cube test procedure.
Pdf rolling dynamic compaction rdc is a generic term. Because of the benefits from compaction, contractors have built larger and heavier machines to increase the amount of compaction of the soil. Evaluation of laboratory compaction procedures for specification of. Indian institute of technology gandhinagar department of. The most common is the proctor test, or modified proctor test. The moisture content dry density relationship of the soil obtained from proctor s test forms the basis for. The proctor compaction test is a laboratory method of experimentally determining the. Compaction tests results vary with the input compactive. Standard test methods for laboratory compaction characteristics of soil using modi.
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. Standard proctor test procedure apparatus calculation. 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. Compaction test of soil is carried out using proctor s test to understand compaction characteristics of different soils with change in moisture content. 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.
What is the difference between standard proctor test and. Im 309 determining standard proctor moisture density relationship of soils. 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. This method provides instructions for checking the critical dimensions of the proctor hammers. Proctor mould with a detachable collar assembly and base plate. Test developed to help specify levels compaction 1933. Ppt proctor compaction test for maximum dry density. Compaction test proctor test civil engineering notes. Determination of water contentdry density relation using light compaction.
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