Failure to comply with any of the specified methods could result in possible degradation of reinstatement and surrounding area, along with possible legal action where noncompliance is. The relationship between soil moisture content and compacted dry density is very useful for deciding construction specifications and quality control of compacted earth fill. Rdc is suited to deep fill applications because of the ability to compact. Table 1, table 2 summarize the range of the gradation of the lateritic soils and crushed rocks. To provide the increased compactive effort energy supplied 2072 jm 3 a heavier hammer and a greater drop height for the hammer are used. Compaction of soil process, necessity and theory of. If the tx 1e compaction procedure with neoprene pad and special hammer is used to specify and control compaction, it is recommended that the soil be compacted to 92 percent of the maximum. The standard proctor compaction test is used to determine the optimum water content during compaction which gives the greatest soil density. The standard proctor test astm d698, aashto t99, and the modified. An astm designation number identifies a unique version of an astm standard.
All ram and base plate faces the sides presented to the specimen must be ground. This document is available to the public through the national technical information service, springfield, va 22161 19. This compaction is a comparison of the laboratory compaction proctor to the field density and recorded as a percentage. Compaction is the process by which the bulk density of an aggregate of.
Compaction test of soil is also additionally called as proctors test. Diagnosing soil compaction using a penetrometer soil. To assess the workability of concrete using compaction factor test apparatus compaction factor apparatus trowels hand scoop 15. Compaction of soil is an important process, as it helps it of achieve certain physical properties necessary for its proper behaviour under loading. It is also desirable to know the optimum soil conditions for compacting a given soil. Evaluation of laboratory compaction procedures for. You can also choose from electronic, hydraulic proctor compaction test there are 101.
Bentonite in its natural state has a water content of approximately 8%, therefore, it is necessary to introduce additional water in order to obtain an ideal sprayed material consistency. What is the difference between standard proctor test and. Modified proctor aashto t180astm d1557 testing procedures more closely approximate the compaction effort of modern equipment. Soil compaction can easily reduce crop yields by 10 percent, and can lead to water and soil quality degradation due to increased runoff and soil structure destruction. Compaction test light weightstandard proctor compaction is 2720part vii1980 reaffirmed2011 theory. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Apr, 2016 proctor compaction test for laboratory this test is used to determine the relationship between water content and dry unit weight of soils. Finally, the field compaction procedure is suggested based on the analysis of the test data. In modified compaction test the procedure and equipment is essentially the same as that used for the standard test except that 5 layers of soil must be used. The specification for reinstatement of openings in the highway clearly provide statutory requirements for individual compacted lift thickness and equipment application for.
In order to overcome the time and effort of carrying out dynamic compaction test, a laboratory procedure is devised to determine the omc and mdd values by using static compaction effort. Water acts as a lubricant between the soil grains however as its content increases the water may occupy the entire pores and since its relatively incompressible in comparison to the air it may. The optimum compaction level of bentonite is achieved with a water content of between 20 and 25% according to the proctor compaction test. Proctor compaction test apparatus is a fundamental requirement for the construction of earth fill for dams, reservoirs, canal embankments, highways, railways and runways. Soil compaction testing otherwise known as density tests are performed in order to determine the soil compaction level.
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. Jun 05, 2012 3 nuclear density test soil test duration. Guidance for soil construction standards and testing. According to proctor, the compaction of a soil mass is dependent on the following four major factors. There are two proctor tests that defined by the american association of highway officials and american standard testing material. It is a cylindrical mold of 10 cm internal diameter and 12. 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. The test results of 61 finegrained soils, 68 lateritic soils and 64 crushed rocks were analyzed in this study. 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. The compaction factor test is used for concrete which have low workability for which slump test is not suitable.
Please indicate if feed distribution is 100% passing or retained, 90% passing or retained, etc. But it has a major limitation that this test is not suitable for saturated and soft soils. This focused attention on the importance of subgrade compaction, leading to the modified proctor compaction test in 1946. Proctor soil compaction test procedures, tools and results. According to compaction theory, when samples of a soil are compacted at different water contents using the same compactive. A soils optimum moisture content is usually lower when compacted to modified proctor versus standard proc. The line of optimum moisture contents is usually around 85% saturation and the optimum moisture content decreases with increasing compactive effort. Lab report proctor testcompaction test introduction for. Modified proctor aashto t180astm d1557 testing procedures more closely approximate the compaction effort of. Rolling dynamic compaction rdc is a generic term associated with densifying ground using noncircular impact rollers. The proctor compaction test is a laboratory method of experimentally determining the optimal moisture content at which a given soil type. The following article will guide you about how to conduct is compaction test for soil. Compaction factor test for concrete workability method and.
Pdf use of proctor compaction testing for deep fill. 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. Compaction behavior of finegrained soils, lateritic soils. Whether testing in the field or lab, gilson has the soil compaction test equipment you need to perform proctor compaction tests, determining soil moisturedensity relationship and for testing relative compaction and relative density of granular soils. Recommended compaction requirements for placement 1874s.
A method for controlling compaction of granular materials. There are many types of soil compaction tests which are performed on soil. The dry unit weight for each roller pass was measured by the nuclear method. Key words compaction, soils, embankment, density 18. However, this procedure is judged to be much more complex and less desirable than the astm d 1557 procedure. 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. We know that the conditions of site and that of the laboratory are different altogether. Compaction of soil process, necessity and theory of compaction. Standard compaction test and modified compaction test. 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. 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. Astm d1557 07 standard test methods for laboratory. The ability to compact a soil depends on the water content of the soil.
Standard proctor test procedure apparatus calculation. A study of effective soil compaction control of granular soils. For each penetrometer the soil compaction of the dry and wet soils of site 1 were greater than the soil compaction of the dry and wet soils of site 2 and site 3. This value varies, depending on the type of test selected. The proctor compaction test is a test that compacts the soil material at various moisture contents. Compaction test proctor test civil engineering notes. Laboratory compaction of soils using a small mold procedure. Proctor soil compaction test natural building blog. In this video we will see how to do the proctor compaction test as indian standard for heavy compaction. Compaction factor apparatus consists of trowels, hand scoop 15. A wide variety of proctor compaction test options are available to you, such as auto testing machine. The objective of the test is used to determine the compaction characteristics of a soil. Compaction test of soil is carried out using proctors test to understand compaction characteristics of different soils with change in moisture content.
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. The mean moisture percentages of the wetted soils of sites 1,2 and 3 were 14,8%, 15,4% and 16,1 % respectively. Soil compaction test equipment proctor soil density. Jul 26, 2018 in this video we will see how to do the proctor compaction test as indian standard for heavy compaction. Standard proctor test or proctor compaction test was the original test devised by an american engineer ralph r. The mean moisture percentages of the wetted soils of sites 1,2 and 3 were 14,8%, 15,4% and 16,1 % respectively these values did not differ significantly.
The method employed is through the veidcp variable energy input dynamic cone penetrometer or panda 2 method. Compaction tests results vary with the input compactive effort, usually measured in foot pounds per cubic foot of soil. Proctor compaction test apparatus at rs 3000 piece. The field compaction data from a road construction project in pathumthani province, thailand were taken to study the development in unit weight with number of roller passes. Compaction, granular soils, sands, gravels, laboratory compaction device, vibratory hammer, field measurements of compaction, soil density, soil water content, tdr measurements 18. In other words, the density is a comparison of the weight of one cubic foot of material in the field. Mould has detachable collar and base plate assembly.
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. Media in category proctor compaction test the following 6 files are in this category, out of 6 total. 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. Amount of compaction testing odot compaction testing 203, 205 one test per 2,000 cy 204, 206 one test per 3,000 sy 304, 411 three tests per 5,000 sy one per lift 503 one test every 5th lift 603 one test every 5th lift or one test every 50 lf 840 sgb one test per 300 lf for every lift. Soil compaction is a serious concern for farmers in pennsylvania. Indian institute of technology gandhinagar department of. Alternative compaction recommendations are also presented based on txdots tx 1e compaction procedure.
1201 732 1408 434 336 1684 296 937 849 925 1373 1412 1646 111 1203 975 589 493 1476 1276 1363 736 258 291 1149 776 987 985 526 255 864 295 151 1451