endobj (mm) % Passing ½ in 12.7 100 #4 4.75 97 #10 2 94 #20 0.85 84 #40 0.425 57 … /Subtype /Link << Agencies that meet the criteria of Practice.
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In these two cases, a dual symbol is used, for example, GP-GM, CL-ML. 0000001276 00000 n
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/Filter /FlateDecode To engineers, soil is a material that can be built on, built in, built with, or supported, and it can be crucial for tunnels, roads, retaining walls, building foundations, and other structures. %PDF-1.7 /Subtype /Link /Filter /FlateDecode >> /Subtype /Link (75-mm) US standard sieve, the following definitions are suggested: Cobbles—particles of rock that will pass a 12-in.
x�S�*�*T0г464R0 A��B��R�D��R!9WA? /R7 5 0 R � Soil Clasifications ASTM d2487 "�T�%_!�+� � endobj x�S�*�*T0г464R0 A��B��R�D��R!9WA? endobj 1121
/F1 50 0 R /Filter /FlateDecode 7 0 obj D�f v��8�8� D�:�ā�[�b-E9C�cl"�[8�a�ѿG?�Ht��>S��>�o�^��)���e�ˍ)���6z /Type /Annot /Border [0 0 0] It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
more info.
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/FormType 1 ASTM D 2487 - 06 Soil Clasification.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. These soils can have expansive characteristics and the use of a borderline symbol (CL/CH, CH/CL) will alert the user of the assigned classifications of expansive potential.
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�c�� /Rect [151.43201 63.587 177.341 76.89] /Length 52 It became known as the Unified Soil Classification System when several U.S. Government Agencies adopted a modified version of the Airfield System in 1952. << endobj 1.2 The group symbol portion of this system is based on laboratory tests performed on the portion of a soil sample passing the 3-in. endobj
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�1\Ł8(A�"p��hlQ�Z���7��r�F����,b���s$�C���]�f���4f"D����Ʃ�W�Y�2��(�5��C[cH ���"�d��#!�QF�#(O&�&v�:/ǧ�ZH���� �?j��EȈ�iʱ�t��*Z�%�E��j�� �$7���UB����]�7��fX��b�y�hv�6�V�l�^ٔ�G��� �V�&��I)5�*sݡ@��=�J3�_L�j��]5)n}�j�=Sj�_P��S��_��l��S�k\��9rm�A3@T��oR旧p�f3�,5(�1&c$�QD��R�MBfS^j.g�߭$�> �#� 5.3 The various groupings of this classification system have been devised to correlate in a general way with the engineering behavior of soils. >> /Rect [257.72601 161.561 286.88 174.86401] Note 2—The group names and symbols used in this test method may be used as a descriptive system applied to such materials as shale, claystone, shells, crushed rock, etc. For Annual Book of ASTM Standards volume information, refer to the standard’s Document Summary page on the ASTM website.
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These soils are further placed into the following groups: well-graded gravel (GW), poorly graded gravel (GP), silty gravel (GM), clayey gravel (GC), well-graded sand (SW), poorly graded sand (SP), silty sand (SM), and clayey sand (SC). 0000013672 00000 n
/Filter /FlateDecode >> Learn how your comment data is processed. x�+� � |
This practice offers a set of instructions for performing one or more specific operations.
endobj >> The above information was drawn from Table 1 of ASTM D2487-17, and the group symbols are included in parentheses. << Fine-grained soils are classified as silts or clays of a liquid limit either less than 50 or 50 or more. Current edition approved Dec. 15, 2017. �
4 sieve) and sands (50% or more of coarse fraction passes No. /Filter /FlateDecode x�+� � | ASTM D2487-10 Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) 1.1 This practice describes a system for classifying mineral and organo-mineral soils for engineering purposes based on laboratory determination of particle-size characteristics, liquid limit, and plasticity index and shall be used when precise classification is required.
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35 0 obj /Rect [313.30801 692.88702 327.49503 706.19] /GS1 54 0 R To geologists—probably those most familiar with soil—it is the product of past surface processes. Foundation construction. 267 0 obj <> endobj It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. >> 0000016265 00000 n
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The first symbol should be the one based on this standard, for example, CL/CH, GM/SM, SC/CL. x�+� � | << 0000003535 00000 n
/Filter /FlateDecode %���� endobj For Annual Book of ASTM Standards volume information, refer to the standard’s Document Summary page on the ASTM website. 18 0 obj ASTM D2487-17: Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) covers 15 distinct groups and abbreviations for gravel, clay, silts, etc under coarse-grained soils, fine-grained soils, and highly organic soils. /Rotate 0 endstream endobj <<
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6 0 obj << 200 (75-µm) sieve that can be 2. 1.4 This standard is for qualitative application only.
17 0 obj 39 0 obj system by ... ASTM D 2487-6 Gradation, grain Classify all types..
When the laboratory test results indicate that the soil is close to another soil classification group, the borderline condition can be indicated with two symbols separated by a slash. stream �
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/Type /Font Reliable testing depends on several factors; Practice D3740 provides a means for evaluating some of those factors. /Filter /FlateDecode /Length 6175 /Length 10 endstream /ExtGState 4 0 R ASTM D2487-10 Historical Standard: ASTM D2487-10 Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) SUPERSEDED (see Active link, below) Download Standard (PDF) more info. /Cs6 55 0 R
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endobj << /F3 48 0 R 200) Sieve in Soils by Washing, D2216 Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass, D2488 Practice for Description and Identification of Soils (Visual-Manual Procedures), D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction, D4083 Practice for Description of Frozen Soils (Visual-Manual Procedure), D4318 Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils, D4427 Classification of Peat Samples by Laboratory Testing, D6913 Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis, E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves, ICS Number Code 93.020 (Earth works. In these two cases, a dual symbol is used, for example, GP-GM, CL-ML. /Resources << /Dest [60 0 R /XYZ null null null] 0000002298 00000 n
endstream 290 0 obj<> >> /Border [0 0 0] ASTM D2487-17: Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System), ASTM E11-20: Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves, Classifying Soils for Highway Construction with ASTM D3282, ASTM D2487 Unified Soil Classification System, Radon and Soil Gas Control Systems for New Building Construction. endstream x�+� � | 4 0 obj
<< << stream /Subtype /Link /Type /Annot In these two cases, a dual symbol is used, for example, GP-GM, CL-ML.
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"�\�%_!�+� � When the laboratory test results indicate that the soil is close to another soil classification group, the borderline condition can be indicated with two symbols separated by a slash. >>
The group names and symbols used in this test method may be used as a descriptive system applied to such materials as shale, claystone, shells, crushed rock, etc. View Text Version. endobj 0000005350 00000 n
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>> endstream These soils can have expansive characteristics and the use of a borderline symbol (CL/CH, CH/CL) will alert the user of the assigned classifications of expansive potential. 0000001845 00000 n
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1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. endobj "�X�%_!�+� � >> endobj /Length 52 /Filter /FlateDecode 0000011030 00000 n
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endobj The documents listed below are referenced within the subject standard but are not provided as part of the standard. endobj
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