Compaction of soil civil engineering ce notes edurev. So this read explains in depth, the significance, background, apparatus and procedure of the standard proctor test. This marketleading text also offers careful explanations of laboratory procedures in order to help reduce errors and improve safety. The oneliner of the test is, that soil is mixed with increased moisture content and with the help of proctor apparatus the weight of soil and thus density, in standard cylinder of known volume, is determined. In situ density by core cutter and sand replacement methods. Astm international training courses soil compaction. Ahmed alobaidi 1 standard proctor test factors affecting compaction. The important dimensions are volume of mould hammer mass drop of hammer.
Soil mechanics i, standart proctor compaction test. While reading the text, student experiences classroom teachinglearning process. Standard proctor compaction test and modified proctor compaction test. Engineering ge lab tests proctor soil compaction test procedures, tools. Proctor test and modified proctor test procedure by khaled nov 25, 2015 civil engineering, geotechnical engineering, laboratory tests 0 r. What is the difference between standard proctor test and. Advanced soil mechanics 4th edition pdf free download.
His original test is most commonly referred to as the standard proctor compaction test. If the specific gravity of solids g s for the soil is 2. You are given the following results from atterberg limits testing on a soil sample wp 23%, wl 50% collected from a boring on a local project site. Compaction test proctor test civil engineering notes. Download soil mechanics laboratory manual by braja m. An air dried representative sample of the soil under test is passed through a 20 mm sieve and 5 kg. This book introduces the basic principles of engineering behaviour of soils. Maximum dry density of soil is determined in the laboratory with the help of standard proctor test standardized by astm d698 and aashto t99. Standard proctor test an overview sciencedirect topics.
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. Standard proctor test procedure apparatus calculation. Proctor test components are shown 25 blows were exerted per lift, which equals 25 x 15 375 ftlbs. Geotechnical engineering is the branch of civil engineering concerned with the engineering. The standard proctor tests consists of dropping a 5. Water is added to soil if needed and then compacted specifications usually include a percentage of the proctor test, and a. Standard proctor test covers the determination of the relationship between the moisture content and density of soils. The proctor compaction test is a laboratory method of experimentally. Basically, the penetrometer is an excellent and an appropriate intrument to measure the hardness of the soil or wearing capacity of the soil different from degree of soil compaction. Geotechnical laboratory testing publications that may be downloaded for free includes navfac 7. Three different compaction tests are specified in bs 77 and these are briefly described below. Soil composition, soil classification, soil compaction, hydraulic conductivity, and soil stresses. 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.
This plays a vital part in construction for soils are mainly used as supports for a lot of infrastructures. This is the most common laboratory soil test and the basis for all engineered compacted soil placements for embankements, pavements, and structural fills. Proctors fascination with geotechnical engineering began when taking his undergraduate studies at university of california, berkeley. Scope of the test most engineering properties such as.
Consistency limits liquid limit casagrande and cone penetration methods, plastic limit and shrinkage limit. A particular soil needs to have an ideal or optimum amount of moisture to achieve maximum density. 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. It is applied to improve the properties of existing soil or in the process of placing fill such as in the construction of embankments, road bases, runways, earth dams, and reinforced earth walls. Compaction is the application of mechanical energy to soil so as to rearrange its particles and reduce the void ratio. Standard proctor compaction test louisiana state university soil mechanics ce 3350 summer 2015 register now standard proctor compaction test. However, omc is more in case of standard proctor test as compared to the modified proctor test. Laboratory compaction of soils soil mechanics eurocode. Proctor soil compaction test procedures, tools and results. Today, in this article, we will share the advanced soil mechanics 4th edition pdf file with our valuable users. Civil engineering texas tech university standard proctor compaction test effect of compaction energy modified proctor compaction. Dynamic cbr test to assess the soil compaction article pdf available in journal of testing and evaluation 435.
This is important not only for durability, but will save money because less compaction effort is needed to achieve the desired results. The total input energy for the five lifts is 5 x 375 1875 ftlbs on a soil. Soils field testing dig a hole with the auger, trowel, or other tools test hole must be approx. In most engineering work, soil is compacted with the application of mechanical energy to rearrange and repack the soil grains to decrease the void ratio between. Fundamentals of soil compaction intelligent compaction. Indian standard light compaction test similar to standard proctor test. Our testing lab is accredited by the city of new york, aashto and ccrl to perform testing on soils, concrete and asphalt, and is staffed by aci certified laboratory technicians. Proctor developed a laboratory test procedure for determining optimum moisture content at. Standard proctor test, modified proctor test, is light compaction test, is heavy compaction test selection from soil mechanics and foundation engineering book. An earth dam require one hundred cubic meter of soil compacted with unit weight of 20. Standard proctor test for soils abstract soil compaction is the.
Soil compaction is the process in which stress is applied to a soil which causes densification as the voids are filled with solids. This series provides guidance to design and construction engineers, technicians and earthwork construction personnel on the use of astm standard test methods for testing compaction of earth fills and other earthwork. Soil is usually spread in layers loose layers of a given thickness. Soil mechanics arnold verruijt delft university of technology, 2001, 2006 this is the screen version of the book soil mechanics, used at the delft university of technology. 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. Geotechnical engineering archives all about free books. Proctor compaction test civil official all about civil. The empty proctor mould is weighed in the platform balance. Compaction test of soil is also known as proctors test is done to understand. Murthy, soil mechanics and foundation engineering, 1st edition, cbs. The standard proctor test astm d698 employs 12,400 ftlbsft. Modified proctor test an overview sciencedirect topics. Compaction test of soil is carried out using proctor s test to understand compaction characteristics of different soils with change in moisture content. Soil mechanics is the branch of civil engineering involving application of laws of hydraulics and mechanics in order to solve engineering problems related to soil.
Test soil compaction, consolidation and strength for different locations. In this article, youll know standard compaction proctor test in details from apparatus, theory, to result and much more. A soil s optimum moisture content is usually lower when compacted to modified proctor versus standard proc. The proctor compaction test establishes the maximum unit weight that a particular type of soil can be compacted to using a controlled compactive force at an optimum water content. These books are used by students of top universities, institutes and colleges. 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.
Due to compaction the volume of air voids reduces, density of the soil. Class 4 soil compaction geotechnical engineering slideshare. Field visit sample report foundation engineering standard proctor test r. The advanced soil mechanics 4th edition pdf file has been uploaded to our online repository for the safer downloading. Thus, as the compaction energy increases maximum dry unit weight increases with a decreasing rate. Compaction of soil is the optimal moisture content at which a given soil type becomes most dense and achieve its. Pdf prediction of compaction behaviour of soils at different.
The text is designed in such a manner that the syllabi of a core course in soil mechanics geotechnical engineering i prescribed in the curriculum of most of the indian universities is covered. In a standard proctor test a sample of silty sand was compacted in a mold whose volume is ft 3. Soil mechanics laboratory compaction test light weightstandard proctor compaction is 2720part vii1980 reaffirmed2011 theory. Proctor test astm d155791 the proctor, or modified proctor test, determines the maximum. Soil compaction concepts pertaining to soil mechanics and geotechnical engineering.
In geotechnical engineering, soil compactionis the process in which a stress applied to a. 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. Geotechnical laboratory testing on the geotechnical. The energy compactive effort supplied in this test is 595 kjm3. Soil mechanics i, standart proctor compaction test gazigeotech soilmechlab. Compaction test of soil soil mechanics standardization. Triaxial test louisiana state university soil mechanics ce 3350 summer 2015. There exists a definite relationship between the soil moisture content and the degree of dry density to which a soil may be compacted. The proctor mould is filled with the soil in three layers, each layer being compacted by 25 blows of the standard rammer of 2. There are several tests with standard procedures such as. The proctor compaction test is a laboratory method of experimentally determining the optimal. Abstract compaction tests forms one of the important. Soil mechanics is the branch of science that deals with the study of the physical properties of soil and the behaviour of soil masses subjected to various types of forces. Compaction lab geotechnical engineering lab portfolio.