Astm d698 mechanical engineering civil engineering scribd. Astm d1557 aashto t180, to determine the moisture content required to achieve the maximum dry unit weight, and moisturedensity relationship for the modified soil at various admixture percentages. The maximum dry unit weight was found to be 107 pcf at an optimum water content of 12 %. Astm d698 standard proctor moisturedensity relationship test. Astm d 155707 test method for laboratory compaction. Astm d4914 can determine the uncompacted dry unit weight. Water may be applied by sprinkling the clay after placement and before compaction of the liner, if necessary. Astm d698 12e2 standard test methods for laboratory compaction characteristics of soil using standard effort. Standard test methods for laboratory compaction characteristics of soil using modified effort 56,000 ftlbfft3 2,700 knmm3. There were larger and heavier compaction equipment, like large vibratory compactors and heavier steelface rollers. The equation for estimating standard proctor maximum dry density in english units is. The nebraska department of roads specifies the standard proctor test astm d 698aashto t 99 as the method of estimating maximum dry density and optimum moisture content for subgrades and compacted fill sections.
Documents sold on the ansi webstore are in electronic adobe acrobat pdf format, however some iso and iec. Tbell47 both d698 standard proctor and d1556 modified proctor are tests to determine a maximum dry density and optimum moisture contents. Astm d69812e2 standard test methods for laboratory compaction characteristics of soil using standard effort. Standard and modified proctor tests university of toledo a standard proctor astm d 698 free fall distance of 12. The use of laboratory determination of the reference dry density for con struction control is based on the implicit assumption that the material compacted in the lab is substantially equivalent to the material com pacted in the field. Lets assume that maximum dry unit weight that you obtained is. Astm d698 00a standard test methods for laboratory. This plays a vital part in construction for soils are mainly used as supports for a lot of infrastructures. Proctor engineering news recordseptember 7, 1933 with. Astm d698 vs d1557 soil testing engineering engtips. Optimum moisture content determined by astm d698, standard proctor test aashto t99. Soil compaction is the process in which stress is applied to a soil which causes densification as the voids are filled with solids.
A higher and more relevant compaction standard was necessary. Rock correction issues in compaction specifications for. Created as part of tufts universitys intro to geotechnical engineering course, a. Modified proctor test an overview sciencedirect topics.
The standard proctor test approximates maximum soil density capable of being produced by early generations of construction equipment. The proctor compaction test is a laboratory method of experimentally determining the optimal. Astm d69812e2 standard test methods for laboratory compaction. Standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft 3600 knmm 1 this standard is issued under the. Compaction test of soil soil mechanics standardization. Astmd698 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft 3 600 knmm 3 compaction characteristics. Astm d698 12e2 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft3 600 knmm3 standard by astm international, 05012012. So this read explains in depth, the significance, background, apparatus and procedure of the standard proctor test. It means that when you conduct compaction testin the laboratory on a small soil sample of a particular site. Astm d698 12e2, standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft 3 600 knmm 3, astm international, west conshohocken, pa, 2012. Effective spreading equipment shall be used on each lift to obtain uniform thickness prior to compacting.
Modified maximum dry unit weight can be determined by procedures in astm d698. Standard proctor compaction test astm d69807 youtube. Maximum dry density of soil is determined in the laboratory with the help of standard proctor test standardized by astm d698 and aashto t99. Astm d698 12e2 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft3 600 knmm3, astm international, west conshohocken, pa, 2012. D1557 12 standard test methods for laboratory compaction characteristics of soil using modi. Thus, the original procedures became known as the standard proctor test astm designation d698 and the newer test became the modified proctor test astm designation d1557 the optimum moisture content and maximum dry unit weight, developed through standard. The application of water to the clay shall be accomplished at the borrow areas insofar as practicable. The standard proctor test astm d698, aashto t99, and the modified proctor test astm d1557 and aashto t180. Standard proctor astm 698 modified proctor astm 1557 method a method b method c method a method b method c. Standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft 3 600 knmm 3 active standard astm d698 developed by subcommittee. Astm d69812e2 standard test methods for laboratory. Capable of maintaining a uniform temperature of 110 5. Standard proctor test procedure apparatus calculation. Moisturedensity relationships were determined for the new castle sand using the modified proctor procedure astm d1557.
The degree of compaction of a soil is measured in terms of its dry unit weight. Also, the modified proctor compaction test is designated by astm d1557 and aashto. Standard proctor compaction test astm d698 company name. The original proctor test, astm d698 aashto t99, uses a 4inchdiameter 100. The soil moisture content and the degree of dry density to which the soil is prepared to be compacted maintain a definite relationship. You get some value of maximum dry unit weight at certain moisture content. 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. Nonwoven geotextile fabric shall be placed between the back of the rosetta blocks and the free draining backfill. This standard is issued under the fixed designation d 698.
However, standard proctor density criteria is typically utilized in the eastern us where. As the compaction of each layer progresses, continuous leveling and manipulating required to ensure uniform density. Preamble compaction is the process of densification of soil by reducing air voids by mechanical energy. The equipment and procedures are similar as those proposed by r. In this article, youll know standard compaction proctor test in details from apparatus, theory, to result and much more. Ccil laboratory inspection checklist standard test method. Astm d698 12 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft 3 600 knmm 3. Compact backfill to 95% of standard proctor maximum dry density astm d698 r 90% of o modified proctor maximum dry density astm d1557 within 2% of its optimum moisture content. The standard proctor test astm d698 employs 12,400 ftlbsft3 of soil, while the modified proctor astm.
Standard modified proctor include oversize correction, if required 7 sufficient amount of soil is required for testing. Astm d698 12e2 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft3 600 knmm3. Onsite material may be used as accepted by engineer, for compacted fill for the aggregate base course. Each test, though, uses a differnt energy in compacting the specimens in the mould. Standard test methods for laboratory compaction characteristics of soil using modified effort 56,000 ftlbfft 3 2,700 knmm 3 1. A number in parentheses indicates the year of last.
In 1958, the modified proctor compaction test was developed as an astm standard. 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. The contractor is responsible for achieving the specified compaction requirements. According to astm d1557, the degree of soil compaction required to achieve the desired engineering properties is often specified as a percentage of the modified maximum dry unit weight. Active standard astm d698 developed by subcommittee. Standard test method for cbr california bearing ratio of. Astm d698 12e2 standard test methods for laboratory. Purchase your copy of astm d698 12e2 as a pdf download or hard copy directly from the official bsi shop. Standard proctor test an overview sciencedirect topics. The maximum and minimum densities determined in general accordance with astm d4253. Standard test method for cbr california bearing ratio of laboratorycompacted soils1 this standard is issued under the. Standard proctor compaction test astm d69807 for the soil water content moisture content click here. S189 split standard astm aashto nf 101,6 116,4 944 8 proctor mould cnr s190 split modified proctor mould astm aashto cnr 152,4 116,4 2124 10 s19001 kit modified proctor mould nf 152 152 2758 10 s19002 kit split modified proctor mould nf 152 152 2758 11 s191 standard proctor mould bs 105 115,5 8. There is no pdf download available at this time, however you may purchase a.
Fill shall be placed within two percent 2% of optimum moisture content and compacted to a minimum of ninety five percent 95% of the maximum standard proctor density astm d698. The infill soil shall be compacted to achieve 95% standard proctor astm d698. Astm d698 standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft 3 600 knmm 3 compaction characteristics. This is a key figure to consult when compacting expansive clay soils. The standard proctor compaction test was developed by r. Unit weights and moisture content field tests could now be expressed as a percent of the laboratory values for the same soil. 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. Taken from factors influencing compaction 1962, hrb report 319. Rock correction issues in compaction specifications for high. And each lift is required to be thoroughly and uniformly compacted to achieve a hydraulic conductivity of not more than 1 x 107 centimeters per second based upon the density and moisture content determined as described above. Standard test methods for laboratory compaction characteristics of soil using standard. All bsi british standards available online in electronic and print formats.
D2321 11 an american national standard standard practice for underground installation of thermoplastic pipe for sewers and other gravityflow applications1 this standard is issued under the. Jun 05, 2012 standard method for sieve analysis of fine and coarse aggregates astm c6 duration. Standard test method for laboratory compaction characteristics of soil using standard effort astm d698. The standard proctor test is generally for fills requiring the minimal subgrade compaction, such as small parking. Standard and modified proctor compaction methods astm d1557. Maximum dry density of soil and optimum moisture content test. Proctor went on to teach at the university of arkansas. Standard test method for laboratory compaction characteristics of soil using standard effort astm d698 12e2 september 2015 page 2 of 4 apparatus section 6 continued 6. References 9 astm d698 12e2 standard test methods for. The use of the standard proctor or modified proctor should be used at the discretion of the professional engineer. Astm d698, aashto t99 astm d1557, aashto t180 index tests for soil soil compaction tests consolidation tests of soil concrete testing 6 discount rates available for larger quantities, call for quotes. Standard test methods for laboratory compaction characteristics of.
D698 test methods for laboratory compaction character. 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, laboratory tests. Standard test methods for laboratory compaction characteristics of soil using standard effort 12 400 ftlbfft3 600 knmm3. That concept is known today as the moisturedensity relationship test, laboratory compaction characteristics of soils, or simply the standard proctor test, and is detailed in astm d698 and aashto t 99 test methods.
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