crushed faces of aggregate base course material
301.03.4 Crushed Aggregate Course . When crushed aggregate course is a bid item, construct the aggregate surfacing section to the specified typical cross section and profile grade. Select one of the following two options to construct the aggregate section: 1. Full depth crushed base course. 2.
- Screened or partially crushed granular material consisting of well graded gravel, crushed stone or crushed gravel for sub-base course construction. - Crushed stone for base course construction. - Stabilizing materials including Portland cement, bitumen and lime to be used where specified in sub-base and base courses and in subgrades.
Division 9 Materials 9-00 Definitions and Tests 9-00.1Fracture "Fractured aggregate is defined as an angular, rough, or broken surface of an aggregate particle created by crushing, or by other means. A face is considered a "fractured face" whenever one-half or more of the projected area, when viewed normal to that face, is
Fractured Face Count in Crushed Gravel (+3/8") ... Requirements for furnishing certified aggregate produced from reclaimed materials. Iowa DOT Certification Programs Unsatisfactory Performance Notice ... Macadam St. Base 3" nominal maximum size screened over 3/4" or …
2.1 MATERIAL 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:
Crushed Faces Of Aggregate Base Course Material. Crushed Rock, Top Course Gravel, Driveway Gravel near . We have a variety of top course materials for use as pavement top course for driveways, road bases, and leveling course for synthetic turf fields.
P-208 SPECIFICATION P–208. AGGREGATE BASE COURSE DESCRIPTION 208–1.1 This Work consists of a base course composed of hard, durable particles or fragments of crushed coarse aggregate blended with either binder and fine aggregate or filler. Construct it on a prepared underlying course in accordance with these Specifications and in conformance
If material is to be stockpiled, increase required quantities by 10% to allow for waste. • Consider the inclusion of crushed surfacing top course material for keystone when estimating quantities for projects having ballast course. Unit Dry Weight – Gravel Base and Surfacing Type of Material Truck Measure Compacted on Roadway lb/cy T/cy lb ...
drawings should be referred to as "aggregate base course (ABC)" whenever a base course material with a California Bearing Ratio (CBR) of 80 is required. "Aggregate Base Course" should be retained in the title and the rest of the specification should be edited accordingly to retain the information necessary for this material. b.
The base course or basecourse in pavements is a layer of material in an asphalt roadway, race track, riding arena, or sporting field.It is located under the surface layer consisting of the wearing course and sometimes an extra binder course.. If there is a sub-base course, the base course is constructed directly above this layer.
There are two categories of based course. Dense graded Bases, referred to locally as traffic bond, are well graded and include fines that firm up and become a hard, solid base for a variety of uses in construction. In general, the heavier the load, the larger the stone you will select in your base course.
3.1.4 Crushed aggregate base course materials shall be produced and placed in their final location with as little segregation as possible. 3.1.5 Excess reclaimed stabilized base material substantially meeting the requirements of 2.7 may be substituted for the crushed aggregate for shoulders in 2.6.
SECTION 02621 AGGREGATE BASE AND SUBBASE COURSES 02621.01 GENERAL A. Description Aggregate base and subbase courses shall include, but not necessarily be limited to, furnishing and placing one or more courses of aggregate, including additives when required, on a surface prepared in accordance with the Contract Documents. B. Related Work ...
2.04 AGGREGATE A. Recycled Crushed Concrete: Material retained on No. 40 Sieve, and durable coarse particles of crusher-run reclaimed cured Portland cement concrete, obtained from approved source. Organic material is prohibited. The crushed concrete shall be substantially free of foreign matter including but not limited to asphalt, base, and dirt.
Jul 23, 2019· Any material passing the 4.75 mm (No. 4) sieve and produced in the crushing process may be incorporated in the base material up to the grading limits required for the base course aggregate. F. Crushed aggregate for base course shall meet the requirements of Class A or Class B gradings as shown in Table 3.1.3 when tested in accordance with ...
P-209, Crushed Aggregate Base Course Page 3 of 5 the materials to meet the specifications and to secure the proper moisture content for compaction. 3.3 Placing. The crushed aggregate base material shall be placed on the moistened subgrade in layers of uniform thickness with a mechanical spreader. The maximum depth of a compacted layer shall
P-208, Aggregate Base Course Page 3 of 5 The base material shall be stockpiled, either at the plant or on the worksite, prior to placing and spreading on the prepared underlying course. (b) Materials of Proper Gradation. When the entire base course material from coarse to fine is secured in a uniform and well-graded condition and contains
crushed stone, crushed slag Aggregate Base Course Page 3 of 5 The base material shall be stockpiled,, crushed faces of aggregate base course material; 02204 - Base Course - Juneau, Alaska. SECTION 02204 - BASE COURSE, 21 MATERIAL A Aggregate base course shall consist of crushed, 4 sieve shall have at least one fractured face as determined by .
A. Aggregates: Aggregates for bases shall be crushed stone, crushed slag, crushed gravel ... moisture from the base course material and hinder or preclude its proper compaction. Dry foundations shall have water applied, reworked, and ... 32 11 23 Aggregate Base Course ...
2. Crushed aggregate base coarse (Compaction Gravel) shall be purchased per standard ton with a standard ton to weight 2,000 pounds for the purpose of this contract. Material shall be ordered in full truck load lots. 3. Contractor shall proceed with delivery of crushed aggregate base coarse (Compaction Gravel) upon 12 hour notice. 4.
This item consists of a base course composed of crushed aggregates constructed on a prepared course in accordance with these specifications and in conformity to the dimensions and typical cross sections shown on the plans. MATERIALS. 209-2.1 AGGREGATE
with high quality crushed aggregate materials. The objective of this study was to evaluate rutting potentials of aggregate materials used in pavement base course in North Carolina and develop and calibrate rutting damage models primarily based
ITEM P-209 CRUSHED AGGREGATE BASE COURSE. DESCRIPTION. 209-1.1. This item consists of a base course composed of crushed aggregates constructed on a prepared course in accordance with these specifications and in conformity to the dimensions and typical cross sections shown on the plans.
SP/SM4:060418 SPECIFICATION FOR BASECOURSE AGGREGATE Page 2 of 15 sample from the material successfully tested two years earlier shows that there has been no significant change in the material. If a petrographic examination is used as described above the source properties shall be tested at least once every four years.
Aggregate base is a construction aggregate typically composed of crushed rock capable of passing through a 20 millimetres (3 ⁄ 4 in) rock screen.The component particles will vary in size from 20 mm down to dust. The material can be made of (newly mined) rock, or of recycled asphalt and concrete.
crushed aggregate base. P-208 Aggregate Base Course . Crushed (%) 25 25 25 When aggregate base material is produced entirely by crushing rock, boulders, cobbles, slag or concrete, loss by washing must not exceed 10 percent (significant to the nearest whole percent). For aggregates produced from. Contact Supplier.
figures crushed aggregate base course - greenrevolutionorgin. 314 Crushed aggregate base course materials shall be produced and placed in their final location with as little segregation as possible33 Stockpile Construction 331 All crushed aggregate base course materials shall be stockpiled, crushed faces of aggregate base course material «,
TENDER DOCUMENTS Specifications DIVISION 02 Siteworks SECTION 02232 AGGREGATE BASE COURSE PART 1 GENERAL 1.01 SECTIONS INCLUDES A. Provision, spreading and compaction of materials of aggregate base course for roads in accordance with the specifications and in conformity with grade, lines and thickness shown ... Percent Crushed Faces – One (1 ...