specification limits for clay lumps of aggregate base course

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  • CLAY LUMPS AND FRIABLE PARTICLES IN AGGREGATE AASHTO T ,

    of the aggregate sample, the increment is considered to have the same percent of clay lumps and friable particles as the next larger or smaller fraction, whichever is present see Table 3 Table 3 Particle Size Original Sample Percent Retained Percent Clay Lumps and Friable Particles Weighted Average Percent No 4 to 3/8 in 475 mm to 95 mm...

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  • Aggregate Production and Stockpiling

    When producing Designation 7 Class 40, Cement Stab ilized Base Course Aggregate in the event that clay lumps are encountered, the maximum allowable size of material shall be 25 mm Acceptance of processed aggregates shall take place when they are in their final position and have met all the requirements of the Contract...

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  • Specification for basecourse aggregate TNZ M/4

    SP/SM4 060418 SPECIFICATION FOR BASECOURSE AGGREGATE Page 4 of 15 4212 Clay Index The clay index of the fraction of basecourse passing the 75 μm sieve shall not be greater than 3 when the aggregate is tested according to NZS 4407 1991, Test 35 Clay Index Test 4213 Plasticity Index...

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  • MATERIAL SPECIFICATION FOR AGGREGATES

    This specification covers the requirements for granular aggregate materials for use in subgrade, subbase, base, gravel surface course, shouldering and bedding and backfill to sewers, culverts, and other structur 10100101 Specification Significance and Use This specification is written as a provincial-oriented specification...

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  • CITY OF BRAMPTON LANDSCAPE SPECIFICATIONS

    1 Max 15m for coarse aggregate and base course materials 2 Max 15m for fine aggregate and sub-base materials 3 Max 15m for other materials7 Uniformly spot-dump aggregates delivered to stockpile in trucks and build up stockpile as specified8 Do not cone piles or spill material over edges of pil9 Do not use conveying stackers...

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  • 3138 Aggregate for Surface and Base Courses 31381 SCOPE ,

    Aggregate for Surface and Base Cours 31381 SCOPE This Specification covers the quality of aggregates used in construction of aggregate surfaced roads, shoulders and dense graded base cours 31382 REQUIREMENTS A Aggregate Composition The source of supply and quality of the material is subject to approval by the Engineer in accordance ....

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  • Dpwh standard specifications

    18-07-2013 0183 32 Dpwh standard specifications 1 AGGREGATE SUB-BASE COURSE 2 This item shall consist of furnishing, placing and compacting an aggregate subbase course on a prepared subgrade in accordance with this Specification and the lines, grades and cross-sections shown on the Plans, or as directed bythe Engineer...

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  • August 2015 No 900 SPECIFICATIONS FOR AGGREGATE FOR ,

    Clay balls are the percent by weight of particles retained on a 125mm sieve that are clay particl The aggregate shall be well-graded and shall not vary from maximum to minimum of the specification ranges for consecutive tests For Class A gravel base course, the field tests taken during any crushing shift shall yield an...

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  • S28 Aggregate Base Course

    of aggregate base course for, use under runway shoulder, taxiway shoulder and roadway pavement, in accordance with the Standard Specifications, except as specified otherwise in FAA Specification Item P-208, as included and modified hereafter, , lumps, or excessive amounts of clay and other objectionable...

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  • AGGREGATE BASE AND SURFACE COURSE ITEMS

    specification The sequence and , The surface of the aggregate base course shall be finished by blading or with , particles of crushed stone or crushed gravel and shall be free from excess coatings of clay, silt, organic material, clay lumps or balls or other deleterious materials...

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  • specification limits for clay lumps of aggregate base ,

    Section coarse aggregate bergeron materials,clay lumps 05 maximum in total sample coal and lignite 05 maximum in total sample all detrimental substances 20 maximum in total sample note Do not use fine aggregate in portland cement concrete that is capable of producing a deleterious reaction with portland cement...

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  • BASE MATERIALS SPECIFICATIONS

    Minimum recommended strength requirements for unbound aggregate base should be CBR= 80 and CBR=30 for Sub Bases The specifications in detail should aim at minimizing field quality control at remote sites and economize cost Specifications 1 Grading for Aggregates in Base Sub-base Layer I S Sieve Base Layer Sub-base Layer Passing...

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  • Coarse Aggregate

    The maximum allowable percentage of clay lumps in the coarse aggregate is 030 for exposure classifications F-1, C-1, and C-2 and 05 for other exposure conditions The maximum percentage of loss from freeze thaw is coarse aggregate is 6 for exposure classifications F-1, C-1, and C-2 and 10 for other exposure conditions...

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  • Draft AC 150/5370

    DRAFT AC 150/5370-10F XX/XX/XXXX ii ASTM D 3666 and be accredited by a nationally recognized independent evaluation authority Change is reflected in the applicable sections of P-403, 501, and 610 as well...

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  • Soil Compaction Handbook

    GC Clay-like gravels, poorly graded gravel/sand/clay mixtures SW Well-graded sands, gravelly sands, little or no fines SP Poorly-graded sands, gravelly sands, little or no fines SM Silty sands, poorly-graded sand/ silt mixtures SC Clay-like sands, poorly-graded sand/clay mixtures ML Inorganic silts and very fine sands, rock flour, silty or clay ....

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  • Los Angeles International Airport Technical Specifications ,

    Crushed Aggregate Base Course P-209 for base courses under runways, taxiways, , Clay lumps and friable , Fine Aggregate Liquid limit Less than or equal to 25 ASTM D4318 Plasticity Index Not more than five 5 ASTM D4318 1The area of each face shall be equal to at least 75 of the smallest mid-...

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  • MATERIAL SPECIFICATION FOR AGGREGATES

    The requirements of OPSS 1001 shall apply to this specification All aggregate source materials shall be clean, hard, durable particles free of earth, humus, clay or other coatings, clay lumps, shale or shaley partings and other deleterious materials Aggregates may be sands, gravels, cobbles, boulders, or quarried rock...

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