Dec 01, 2014· A In the case of manufactured sand, if the material finer than the No 200 sieve consists of the dust of fracture, essentially free of clay or shale, these limits are permitted to be increased to 5 and 7%, respectively The soundness of fine aggregates can be determined by subjecting the material to five cycles of the soundness test The weighted average loss cannot be greater than 10% when .
Without organic matter and lumps or balls of clay (7) Accelerated weathering of aggregate by use of Dimethyl Sulfoxide (DMSO), WFLHD Standard Test Method12% max WFL Specification 08/01/14 Include the following when subbbase or base aggregate is required Delete the text in paragraph (b) and substitute the following: (b) Subbase or base .
304-11 This item shall consist of a cement-treated base (CTB) course composed of mineral aggregate and cement, uniformly blended and mixed with water The mixed material shall be spread and shaped with a mechanical spreader, and compacted with rollers in accordance with these specifications and in
Clay Lumps and Friable Particles (ASTM C 142) Sand Equivalent (ASTM D 2419) , The crushed aggregate base material shall be placed on the moistened subgrade in layers of uniform thickness with a mechanical spreader , Aggregate base course shall be accepted for density on a lot basis
ITEM P-401 PLANT MIX BITUMINOUS PAVEMENTS DESCRIPTION 401-11 This item shall consist of courses composed of mineral aggregate and pavement bituminous material mixed in a central mixing plant and placed on a prepared course in accordance with these specifications and shall conform to the lines, grades, thicknesses, and typical cross
What is the difference between P208 and P209 base runway ,
The aggregate shall be free from lumps of clay, organic matter, and other objectionable materials or coatings And for P-209 This item consists of a base course composed of crushed aggregate base constructed on a prepared course in accordance with these specifications and in conformity to the dimensions and typical cross-sections shown on the .
250, concrete base course, bridges, box or slab culverts, headwalls, retaining walls, pre-stressed concrete, or other heavily reinforced concrete Avoid contamination with non-concrete materials, including joint sealants, HMA patching, and base layer aggregate or soil, when processing crushed concrete coarse aggregate Limit contamination
SECTION 32 11 23 AGGREGATE BASE COURSE PART 1 GENERAL 101 SECTION INCLUDES A The WORK to be performed includes the preparation of the aggregate base course foundation; and the production, stockpiling, hauling, placing, and compacting of aggregate base course,
PHYSICAL PROPERTIES OF AGGREGATES - Rowan University
Physical Properties of Aggregates 4 Coarse Aggregate Angularity • Measured on + 475 mm material • Based on fractured faces – fractured surface larger than 25% of aspect ratio • ASTM D 5821 • Specification requirements depend on: – depth of layer within pavement
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
Contaminated Aggregate Base Course - Soil testing ,
Aug 05, 2009· Otherwise you may need to clean the surface If the Corps approved the traffic control plan, they should have known it would be contaminated However, allowing traffic on the base course is sometimes allowed SECTION 32 11 23 [ABC shall be free of lumps of clay, organic matter, and other objectionable materials or coatings] a
shall be clean, hard, durable, free from any frozen lumps, deleterious matter, and harmful coatings In addition thereto, the material shall conform to the gradation requirements of Type II aggregate base in accordance with Subsection 7040304, "Type II Aggregate Base," with the following property testing:
WEST VIRGINIA DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYS , 410 Asphalt Base and Wearing Courses, Percent Within Limits (PWL) 11 410102 Safety Edge , dimensions, the finished base course shall not show a deviation greater than ¼ inch (6 mm)
“This 2010 edition of the West Virginia Division of Highways Standard Specifications, Roads and Bridges, has been issued with the intent , 307 Crushed Aggregate Base Course 311 Open Graded Free Draining Base Course , CONSTRUCTION LIMITS-The physical limits of construction as
Clay Lumps and Friable Particles AASHTO T 112 20 Materials Finer than No 200 (75-µm) Sieve , 703 03 Aggregate for Hot Mix Asphalt Base Course Aggregate for HMA base course shall conform to Subsection 70309 - Aggregate for Hot Mix Asphalt , SECTION 703 - AGGREGATES .
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, and as shown on the Plans , lumps, or excessive amounts of clay and other objectionable
5 Aggregate Specifications and Requirements - ingov
Aggregate Base Subbase Aggregate Pavement or Shoulders Summary of Gradation Requirements 5-1 , specification limits for each Clay Lumps and Friable Particles , cours ITM 205 is used to ensure that the aggregate proposed is
Aggregate Specifications CIVL 3137 123 Specifications Source: Standard Specifications for Road and Bridge Construction (TDOT, 2006) CIVL 3137 124 Specifications Clay Lumps < 05% Coal and Lignite < 05% LA Abrasion Loss < 40% Material Passing No 200 Sieve < 3% , Concrete Base Course 467 Cement Treated Base Course 57
conform with these Specifications The aggregate shall be of two classes: Class A and Class B (a) Class A aggregate for mineral aggregate base and surface courses shall consist of hard durable particles or fragments of stone, slag, gravel, orchert, and other finely divided mineral matter
A Aggregate base course shall consist of crushed gravel or crushed stone, conforming to the quality requirements of AASHTO M 147 The aggregate shall be free from lumps, balls of clay, or other objectionable matter, and shall be durable and sound B Base course material shall conform to one of the following gradations as specified:
RECOMMENDED GUIDE SPECIFICATIONS FOR LONG LIFE PAVEMENT ALTERNATIVES USING EXISTING PAVEMENTS , deleterious substances and absorption in the coarse aggregate shall not exceed the limits in the following table: , Clay Lump and Friable Particles (AASHTO T112) 025% Absorption (applied to the material passing the 075 in sieve
SECTION 02050 SOILS AND AGGREGATES FOR EARTHWORK ,
B Aggregate base course (untreated base course): 1 Crushed gravel 2 Consists of hard durable particles of fragments of stone or gravel; screened or crushed to required size and grading; and free from organic matter, lumps or balls or clay, alkali, or other deleterious matter 3
QUALITY CONTROL/QUALITY ASSURANCE SPECIFICATIONS Page 1/13 Appendix B 04/12 CONSTRUCTION OR MATERIAL TYPE 2007 Std Spec (SS 2007) , AGGREGATE BASE COURSE Sec 305 and 1104 , individual aggregate Clay Lumps and Friable Particles in Aggregate (01 g or 001% of mass) KT-7 c h
ASTM C33 / C33M - 18 Standard Specification for Concrete ,
C33 / C33M-18 Standard Specification for Concrete Aggregates grading~ , soundness test, clay lumps and friable particles test, coal and lignite test, bulk density of slag test, abrasion of coarse aggregate test, reactive aggregate test, freezing and thawing test, and chert test method , more restrictive limits may be considered regarding .
SECTION 701 AGGREGATES 70101 AGGREGATE FOR CONCRETE These specifications describe the quality and size of fine and coarse aggregate for portland cement concrete pavements and bases, highway bridges, and incidental structur The following test methods are used to evaluate the quality of aggregates for concrete:
PART III -- BASE COURSES Section No Page No , Specifications for Embankments and Base Course" When not specified, any of the following types may be used (1) Soil Cement (2) Stone or Crushed Slag , Liquid Limit greater than 35, a Plasticity Index greater than 12, or an
4 Aggregate Specifications and Requirements - ingov
4 Aggregate Specifications and Requirements Physical Quality Requirements Fine Aggregates , are classified as deleterious and the specification limits for each , Clay Lumps and Friable Particles Clay lumps and friable particles are materials that are easily crumbled or mashed with the fingers Testing for these particles is performed by
SECTION 301 MATERIALS FOR SUB-BASE AND BASE COURSES 30101 SCOPE A This section covers the requirements for the characteristics, source, supply and storage of sub base and base course pavement materials B Materials specified for use in the construction of sub-base and base courses for flexible and rigid pavements include the following: