The capacity of the extruder is 30 kn and is supplied complete with a manual hydraulic jack and 2 pcs. Also, the modified proctor compaction test is designated by astm d1557 and aashto t180 d. The standard proctor test is generally for fills requiring the minimal subgrade compaction, such as small parking lots, and building. The paperbackhardcopy editions will be published in three volumes, corresponding with the release of the three annual updates, and will be available shortly after the pdf download versions are released. October 2018 sample extruder a jack, lever frame, or other device for extruding compacted specimens from the mold quickly and with little disturbance. In modified proctor test, the soil is compacted in the given mold in five 05 layers with a rammer of 10 lbs 4. This procedure covers the determination of the moisturedensity relations of soils and soil aggregate mixtures in accordance. However, a large experience base has developed using this test method for materials for which the gradation has been modified, and satisfactory design methods are in use based on the results of tests using this procedure. Standard test methods for laboratory compaction characteristics of soil using modified effort 56,000 ftlbfft 3 2,700 knmm 3 active standard astm d1557 developed by subcommittee.
Proctor compaction testing nebraska department of roads research project sg10. Astm d698, aashto t99, subgrade at 95% modified proctor astm d1557, aashto t180 and stabilizationbase materials at 98% modified. Flh addendum to aashto t 308 standard method of test for. Laboratory procedures known as the modified proctor test astm d 1557 aashto t 180 have been developed that accurately estimate the greater densities. Density testing and inspection manual state of michigan. On the other hand, vtm uses 6 and 7 molds with 1 and 2 spacer disks, respectively.
This was done under a longstanding arrangement between aashto and astm. Specific gravity of coarse aggregate aashto t85 12 moisture. Currently, the procedures and equipment details for the standard proctor compaction test is designated by astm d698 and aashto t99. The aashto t99 test and the michigan cone test are used only. Also, within each method, there are submethods that do depend on the grainsize distribution. Just to add that the t99 standard doesnt have the same criteria for time of hydration. Astm d698, aashto t99, and the modified proctor test astm d1557 and. The nddot modification reports the accuracy to the same significant digit as the specification for the class of aggregate. In this method, the soil in the mould is divided into five layers and the weight of the hammer is increased up to 10 lb and the fall is increased up to 18 in. Aashto t 99 standard method of test for moisturedensity. Cobbles and boulders are larger rocks which may also be present in soils. If exceeded, other methods of compaction control must be used, and corrected in accordance with t224. Standard specifications for transportation materials and. Field materials manual appendices and test methods.
It is astm d698 commonly called the standard proctor. The use of the standard proctor or modified proctor should be. Download scientific diagram standard and modified proctor tests curves from. Aashto t99, subgrade at 95% modified proctor astm d1557, aashto t180 and stabilizationbase materials at 98% modified. The determination of the maximum dry density and optimum moisture content of gravel, soil and sand scope the maximum dry density and optimum moisture content, as defined below, is determined by establishing the moisturedensity relationship of the material when prepared and compacted at the modified aashto compaction effort at different. Aashto t180 more closely corresponds to astm d1557 commonly called the modified proctor. October 2014 balances or scales of the capacity and sensitivity required for the procedure used by the agency. Aashto guidance american association of highway and transportation officials aashto is a nonprofit association that represents highway and transportation departments across the nation and serves as a liaison between state departments of transportation and the federal government. Drop explores an interlaboratory study and data mining of the proficiency sample program to prepare precision estimates for american association of state highway and. Both tests allow the use of a larger mould, 6 inches in diameter and holding 1. Aashto t 180 standard method of test for moisturedensity. Resistance of compacted asphalt mixtures to moistureinduced damage aashto t 283 glossary tensile strength a measure of the force required to pull apart a material. The corresponding american society for testing and. Proctor compaction test civil official all about civil.
Standard method of test for moisturedensity relations of soils using a 4. This procedure is required when performing an lbr or cbr analysis. As for your example, aashto t99 has a similar astm designation. S186 modified proctor mould astm aashto cnr 152,4 116,4 2124 10 s189 split standard astm aashto nf 101,6 116,4 944 8 proctor mould cnr s190 split modified. A balance or scale with a capacity of 20 kg 45 lb and a sensitivity of 5 g.
Precautions in performing the michigan modified t180 test 37. Test method for laboratory compaction characteristics of soil using modified effort 56000 ft. Aashto t 180 revised various illinois modified sections and added new illinois modified sections. Standard and modified proctor tests curves download scientific. Scope hma made from certain materials may be sensitive to the presence of water in the finished pavement. Effective january 1, 2016, all changes to nchrp 350tested devices require testing under. Aug 20, 2019 currently, the procedures and equipment details for the standard proctor compaction test is designated by astm d698 and aashto t99. Instantly download aashto t 18019 standard method of test for moisturedensity relations of soils using a 4. The maximum density of a material for a specific compactive. Water will cause the binder to not adhere to the aggregate. This method of test is intended for determining the relationship between the moisture content and density of soils when compacted in a given mold of a given size with a 4.
The aashto materials standards are, once again, being made available in paperbackhardcopy format. Trbs national cooperative highway research program nchrp webonly document 168. Pdf moisture damage evaluation of asphalt mixtures using. Astm d698, aashto t99, and the modified proctor test astm d1557 and aashto t180. Aashto t 180 modified proctor free download as pdf file. Aashto definition gravel will pass the 3 inch sieve and be retained on the no. The nddot modification reports the accuracy to the same significant digit. Quality level pay ql pay percent within limits pay pwl pay field materials manual. It is defined in aashto t180 90, while according to astm, it is defined in astm d155791. Aashto t 180 and are intended to provide analytical results for use in.
Aashto guidance safety federal highway administration. Aashto t 18019 method of test is intended for determining the relationship between the. Astm d698 or d1556 proctor method tbell47 structural op. Aashto t99 proctor or t180 modified proctor as specified by the client moisture optimum with a maximum of 2% cutback recommended client specified optimum or a range around optimum density maximum dry density client specified range number of samples one for each of soaked and. Later in 1958, a modified proctor test was developed in order to get more accurate results. Modified proctor aashto t180 astm d1557 testing procedures more closely approximate. The proctor compaction test is a laboratory method of experimentally determining the optimal. Drop explores an interlaboratory study and data mining of the proficiency sample program to prepare precision estimates for american association of state highway and transportation. The terms clay, silt and sand refer to their textural class. Two full 5gallon buckets of material are needed for this procedure. Starting with the thirtyfirst edition, aashto approved astm standards are not printed. Instead, the aashto specification includes the corresponding astm designation number and any aashto exception to the astm specification.
Testing for moisturedensity relations of soils may be performed using either the standard effort t99d698 or the modified effort t180 d1557. October 2012 balances or scales of the capacity and sensitivity required for the procedure used by the agency. The aashto standard test procedure reports the percentage of material finer than the no. Nuevo 04 aashto 2011 libro verde aashto tomo 3 descargar. This procedure covers the determination of the moisturedensity relations of soils and soil aggregate.
Aashto t 180 modified proctor 546gg2v18wn8 idocpub. Proctor testing methods soil testing engineering engtips. The use of the standard proctor or modified proctor should be used at the discretion of the professional engineer. 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. Compaction performance analysis of alum sludge waste. Astm d698 or d1556 proctor method astm testing materials. Modified lottman test aashto t283 is the mo st widely used test for evaluating moisture susceptibility and is based on comparing tensile strength ratios. The modified proctor test, astm d1557 aashto t180, uses same mould, but uses a 10 lb.
Aashto t 18019 standard method of test for moisture. Standard compaction test and modified compaction test. The following resources are related to the quality management and analysis of construction materials. Proctor compaction testing unl digital commons university of. Aashto t 18019 standard method of test for moisturedensity. S186 modified proctor mould astm aashto cnr 152,4 116,4 2124 10 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. An improved california bearing ratio test procedure. To determine the maximum density and optimum water content of a sample using modified effort. For the purpose of this manual, the term soil refers to mixtures of soil, air and water. The maximum dry density and optimum moisture content, as defined below, is determined by establishing the moisturedensity relationship of the material when prepared and compacted at the modified aashto compaction effort at different moisture contents.
Nuevo 03 aashto 2011 libro verde aashto tomo 2 descargar. The modified compaction test first appeared as a construction control in june 1942 5 and has since become known as the modified aashto compaction test. Starting with the thirtyfirst edition, aashtoapproved astm standards are not printed. The tge0080 extruder is designed to easily extrude specimens from marshall and cbr, standard and modified proctor moulds.
These methods of test are intended for determining the relation between the moisture content and density of soils compacted in a mold of a given size with a 2. However, the densities of samples prepared for the cbr test were at considerable variance with those obtained by field equipment, especially for sandy materials of low plasticity. Department of transportation division of highways materials and tests unit modification of aashto t 88 00 2003 apparatus. Astm d1557 12e1 standard test methods for laboratory. Modified compaction test astm d1557 and aashto t180, as 1289e2. Proctor testing methods fattdad geotechnical 6 oct 10 16. To directly download the agreement to your computer, click here. Machined steel tubing with integrally spun end cap.