P-208 SPECIFICATION P208. AGGREGATE BASE COURSE DESCRIPTION 2081.1 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
requirements of this Specification after it has been processed or crushed as a part of the mining operations. The inorganic mineral ash shall be of uniform quality throughout. To ensure uniformity in quality, approved sources may be restricted to specific mining areas andor mining processes at a specific mining site. 2. Type
The California Department of Transportation Caltrans provides specifications for the use of recycled aggregate, sometimes referred to as crushed miscellaneous base CMB, as base section 26 or subbase section 25 on road projects.This Department of Resources Recycling and Recovery CalRecycle webpage is a selective list of Caltrans specifications for the use of recycled aggregate
Table 36021 CRUSHED STONE BASE AND SUBBASE MATERIAL REQUIREMENTS Material TYPE OF MATERIAL ... in the project ii Crushed material specifications 63mm before compaction unless otherwise specified in the project specifications ... TYPE OF MATERIAL G7 G8 G9 Not applicable Not applicable Not applicable. GRADING MODULUS GM equal 0.75 equal ...
Oct 06, 2017 Massachusetts Highway Department 1995 Standard Specifications for Highways and Bridges ii The 1995 Massachusetts Highway Department Standard Specifications for Highways and Bridges has undergone an extensive review during its preparation and conversion to the metric system.
b Type B aggregate for mineral aggregate base shall consist of crushed or uncrushed gravel, crushed or uncrushed chert, crushed stone or crushed slag, and other finely divided particles. Recycled concrete aggregate or reclaimed asphalt pavement, at a maximum rate of 30, by weight, may be used for Type B aggregate,
Aggregates may be produced by processing sand and gravel or by blasting and crushing bedrock materials or select by-product materials, including recycledreclaimed materials, such as concrete, asphalt, blast furnace slag, glass and ceramics, etc. Crushed stone and processed sand and gravel are interchangeable for many applications, but not all.
STANDARD SPECIFICATIONS of May 1, 2008 755 Section 700 MATERIALS and MANUFACTURING SECTION 701 - HYDRAULIC CEMENTS 701-01 PORTLAND CEMENT SCOPE. This Specification covers five types of portland cement as follows Type 1. For use in general concrete construction where low heat of hydration is not required and where no sulfate action is anticipated.
1 12 clean crushed stone is an aggregate that has been crushed, reduced in size and screened through a square screen. Drainage, construction entrances, ASTM 57 Crushed Stone is a blend of 38 and 34 crushed stone. Is used in the production of ready
Oct 25, 2016 Commercial quarries supply DTp Type 1 granular sub base consisting of crushed rock graded to a specification that has a defined proportion of stone particle sizes. Well graded Type 1 contains a good mix of angular aggregate sized between 63mm and fines sand sized particles, however, most of the aggregate content is less than 32mm in ...
base materials included Dense Graded Aggregate DGA, and Crushed Stone Base CSB. Number 57s, crushed river gravel, recycled concrete, and asphalt drainage blanket samples were submitted for testing by engineers of the Kentucky Transportation Cabinet.
Mar 05, 2004 3 Types and grades of asphalt must be shown on the plans. 4 If the Contractor is to supply aggregate, the types and grades of aggregate must be shown on the plans. 5 If the Contractor supplies aggregate, specify if a surface aggregate class other than B or better is required. 6 Specify transverse variance rate, if needed.
Crushed stone aggregates are produced by crushing quarried rock, then screening it to sizes appropriate for the intended use. Production of crushed stone has three stages Primary crushing to break down the stone to a manageable size secondary and tertiary crushing to render the rocks into sizes specific to their applications and screening to separate the crushed stone for further
Crushed stone is produced by crushing quarry rock, boul-ders, cobbles, or large-size gravel. Crushed air-cooled blast-furnace slag is also used as fine or coarse aggregate. The aggregates are usually washed and graded at the pit or plant. Some variation in the type, quality, cleanli-ness, grading, moisture content, and other properties is expected.
Supplemental Specifications - Section 300 of the Standard Specifications for Road and Bridge Construction January 1, 2015 ... Mineral aggregates base shall be Type A or Type B, whichever is shown on the Plans and called for in the bid schedule. Reclaimed Concrete Aggregate RCA may be used as an alternate for ... Crushed Stone or Slag ...
particles or sand-sized particles mixed with gravel, crushed gravel, or crushed stone. Do not use crushed concrete or reclaimed asphalt. 2 Ensure that the material provided has a liquid limit less than or equal to 25 and a plasticity index less than or equal to 6. The contractor may substitute type A for type B material. 210.2.2 Gradation
Anti-Skid - Type AS2 x fines 38 Spread on ice or snow for better traction Anti-Skid - Type AS3 x fines 38 Spread on ice or snow for better traction Boulders x small large Cubicle in shape, used to build rock walls Chip Stone 12 , 34 ,amp 1-12 x Roadway bituminous asphalt seal coating applications
Standard Specifications for Highways and Bridges . v 2020 Edition . Subsection 717 Metal Bin-Type Retaining Wall ..... II.318 Subsection 740 Engineers Field Office and
No matter what type of patio youre planning to construct, youre going to need to find some reliable gravel to complete a sturdy and reliable base to build upon. Here are the most commonly selected types of gravel for this purpose 34 Crushed Stone. 34 crushed stone is perfectly sized for creating an excellent patio base.
The 2003 Standard Specifications for Construction may be ordered by contacting the MDOT Publications Office. Phone 517-322-1676. Email MDOT-PublicationsMichigan.gov. To report any errors, contact Email MDOT-SpecBookMichigan.gov. To DOWNLOAD a ZIP file of all of these documents Click here and save the file to a folder on your hard drive.
Apr 16, 2004 SPECIFICATION REQUIREMENTS. 1 Specify aggregate type and grade on the plans. 2 Do not use additives such as but not limited to lime, cement, or fly ash to modify aggregates to meet the requirements of Table 1, unless shown on the plans. 3 Material Type E will be as shown on the plans. 4 Grade 4 material requirements will be as shown on the ...
The entire subgrade then shall be covered with a layer of clean, washed, crushed stone or pea gravel to a minimum thickness of four inches 100 mm, conforming to the proposed final surface grade to a tolerance of 1 inch. Soft limestones, sandstones, or shales are not acceptable.
SECTION 812 - CRUSHED ROCK FOR PAVEMENT BASE AND SUBBASE This section cross-references Sections 175, 304, 801, 818 and 820. If any of the above sections are relevant, they should be included in the specification. If any of the above sections are not included in the specification, all references to those sections
Standard Specifications 2010 ... 3.1.3 Crushed stone fine gradation may be substituted for crushed gravel provided there is a minimum of 1 ft 0.3 m of free draining material sand, gravel, crushed stone coarse, or crushed stone very coarse below the crushed stone. The
Type A, 90 crushed, minimum Type B, 40 crushed, minimum Gravel used, Portion retained on a No. 4 4.75 mm sieve, 40 minimum crushed The fraction of these materials passing the No. 40 425 m m sieve has a maximum plasticity index of 6 Percent of loss, sodium soundness test, Maximum 15
Jul 27, 2020 67 Crushed stone 67 includes stone that is 34 inch or smaller in size. 67 is a great material for road and slab base as well as fill. If you are interested in a specific type of crushed stone in Baltimore , contact ReAgg at 301 336-6700 today for help with any questions or to place an order.
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 3 Cement Stabilized Sand-Clay-Gravel 4 Asphaltic Concrete Base Course on Treated Layer 5 Recycled Portland Cement Concrete
the largest stone size in the mixture, with 1 being the largest all material passing a 4 sieve opening and 10 being the smallest all material passing a 38 sieve opening. Multi-digit specifications represent a blend of one or more of the ten basic specifications i.e.
Road Aggregate 101 Specifications and Uses Gravel unconsolidated rock fragments formed as a result of the weathering and erosion of larger rocks. PennDOT requires gravel used for road construction to be durable with a minimum of 85 crushed particles and at least two faces resulting from fracture.
Class Ra bituminous materials and not more than 5 in Class Rg crushed glass. Where recycled aggregate except recycled asphalt is imported onto the site, it shall be aggregate complying with BS EN 13242 from source codes A2 crushed concrete andor A3 crushed bricks, masonry.
Type of Material Retained Square Mesh Sieves 1 No. 40 No. 200 Sand 0 40-100 95-100 Crushed Stone 0 40-100 95-100 Limit the maximum particle size to inch for geosynthetic reinforced structures and for epoxy or PVC coated reinforcements. Use only crushed stone in District 1.
Crushed concrete conforms to the Flex Base specification of the Texas Department of Transportation. Download TxDOT Product Specifications. Telephone. 254-859-0550. Drop Off Locations. Click Here to view our drop off locations. Contact Us. Call us at 254-859-0550 for an estimate or questions. ...
Type A. Crushed stone produced and graded from oversize quarried aggregate that originates from a single, naturally occurring source. Do not use gravel or multiple sources.
Crushed Stone Fine Crushed Stone Coarse Crushed Stone Very Coarse Sieve Size Percent Passing By Weight 6 in. 150 mm 100 100 100 5 in 125 mm 4 in 100 mm 3 in. 90 mm 100 3 in. 75 mm 100 85 100 60-90 2 in. 63.5 mm 2 in. 50 mm 95 100 100 1 in. 37.5 mm 100 85 100 60 90 45-75
Crushed Stone or Reclaimed Concrete Chat Grade Aa Grade Ba Grade C 1 inch 100 100 100 34 inch 80 100 --- --- 38 inch --- Max. 65 --- No. 4 Max. 60 --- Max. 80 No. 10 10 35 5 25 Max. 45 No. 200 0 10 --- --- aType I Aggregate for Base may be used, except all