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Road Aggregate 101: Important Stuff

10/11/2012 1 Don t be dumber than a box of Road Aggregate 101 CDGRS Road Scholar Series 2012 Road Aggregate 101: Important Stuff Source - Geologic Origin Properties - Type/Quality & PI Gradation - Size Max & Min, Mixture Certifications - PennDOT & DGRMP Specs & Uses AASHTO & PennDOT Handy Formulas Convert & Estimate 10/11/2012 2 Road Aggregate 101: Source or Geologic Origin TYPICAL ROAD Aggregate MATERIALS IN PA Limestone Sandstone Bankrun gravel (Pit Run) Shale (mud-rock) Limestone Sandstone Bankrun gravel Road Aggregate 101: Source or Geologic Origin TYPICAL ROAD Aggregate MATERIALS IN PA Limestone Sandstone Bankrun gravel (Pit Run) Shale (mud-rock) SOFT--------------------HARD SHALE SANDSTONE LIMESTONE BANKRUN ? ? Thumb rule. There are exceptions. 10/11/2012 3 Road Aggregate 101: Important Stuff Source - Geologic Origin Properties - Type/Quality & PI Gradation - Size Max & Min, Mixture Certifications - PennDOT & DGRMP Specs & Uses AASHTO & PennDOT Handy Formulas Convert & Estimate 1 - Soundness (PTM No.)

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. Stone - a piece of rock quarried and worked into a specific size and shape for a ...

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Headwalls & Endwalls - Center for Dirt and Gravel Road Studies

www.dirtandgravel.psu.edu

• Headwalls and endwalls help guard against crushed pipes. MATERIALS. Headwalls and endwalls can be built with many different materials. Several factors influence the choice of materials, including: local availability, skill and time required for construction, durability, and cost. Materials used in Pennsylvania include *:

  Crushed, Gravel

Aggregates 101 - Common Aggregates in PA

www.dirtandgravel.psu.edu

• AASHTO (American Association of State and Highway Transportation Officials) labels aggregate specifications from 1 to 10 according to 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 3/8” sieve opening).

  American, Association, American association

Crown & Cross-Slope - Center for Dirt and Gravel Road Studies

www.dirtandgravel.psu.edu

smoother road with longer intervals between maintenance grading operations. Over time, traffic and mother nature will wash out and drive out the crown, so grading is routine and on- going maintenance. Ever road is different, and some roads will require more frequent grading than others. Road shoulders should be set at the same side- slope

  Road, Maintenance

Bidding Requirements for Municipalities

www.dirtandgravel.psu.edu

P rogram • Types of Services – Training • Open classes • Road shows – Technical ... materials used for street improvement, maintenance, and/or construction projects that ... Pennsylvania Department of Transportation Bureau of Planning and Research . 400 North Street, 6th Floor . Harrisburg, PA 17120 ...

  Improvement, Transportation, P rogram, Rogram

Related documents

SIC SIC Description NAICS NAICS Description

www.naics.com

1423 Crushed and Broken Granite 212313 Crushed and Broken Granite Mining and Quarrying 1429 Crushed and Broken Stone, Nec 212319 Other Crushed and Broken Stone Mining and Quarrying 1442 Construction Sand and Gravel 212321 Construction Sand and Gravel Mining 1446 Industrial Sand 212322 Industrial Sand Mining

  Sand, Stones, Crushed, Gravel

§501 Section 500 PORTLAND CEMENT CONCRETE

www.dot.ny.gov

a. Concrete Sand. Use only sand meeting the requirements of §703-07, Concrete Sand. b. Coarse Aggregate. Use only crushed stone, crushed gravel, or crushed slag meeting the requirements of §703-02, Coarse Aggregates in either one or a combination of size designations specified in Table 703-4, Sizes of Stone, Gravel, and Slag and graded according

  Section, Concrete, Sand, Cement, Stones, Crushed, Gravel, Portland, Crushed stone, Section 500 portland cement concrete, Crushed gravel

Status of AASHTO Materials Standards and Test Methods ...

downloads.transportation.org

Crushed Stone for Waterbound Base Course 1924 Discontinued 1938 M 3 Broken Slag for Waterbound ... M 6a Mortar Sand Mortar Sand 1924 Renumbered 1935 Renumbered as M 45 M 7 Broken Stone for Portland ... Gravel for Portland Cement Concrete Pavements or Bases, Highway Bridges and

  Sand, Stones, Crushed, Gravel, Crushed stone

Aggregates for Concrete

www.ce.memphis.edu

aggregates—sand, gravel, crushed stone, and air-cooled blast-furnace slag—produce freshly mixed normal-weight concrete with a density (unit weight) of 2200 to 2400 kg/m. 3 (140 to 150 lb/ft. 3). Aggregates of expanded shale, clay, slate, and slag (Fig. 5-3) are used to produce struc-tural lightweight concrete with a freshly mixed density

  Sand, Stones, Crushed, Gravel, Crushed stone

Department of Transportation Weighted Average Unit Prices ...

www.nh.gov

304.35 crushed gravel for drives cy 2885 $39.07 a 4 $95.00 $34.00 50 $38.50 b 2 $45.00 $32.00 304.399 temporary crushed gravel cy 150 $84.75 a 2 $107.00 $62.50 304.4 crushed stone (fine gradation) (f) cy 7506 $42.00 a 1 $42.00 $42.00 304.401 crushed stone (fine gradation) cy 620 $55.00 b 2 $65.00 $45.00

  Stones, Crushed, Gravel, Crushed stone, Crushed gravel

Volume-to-Weight Conversion Charts

scdhec.gov

Stone or gravel 1 cubic foot 98.00 0.049 FEECO Stone, crushed 1 cubic foot 100.00 0.050 FEECO Stone, crushed, size reduced 1 cubic yard 2,700.00 1.350 Tellus Institute Stone, large 1 cubic foot 100.00 0.050 FEECO Wax 1 cubic foot 61.00 0.031 FEECO Wood ashes 1 cubic foot 48.00 0.024 FEECO AGGREGATE C&D bulk 1 cubic yard 484.00 0.242 FL DEP

  Volume, Conversion, Weight, Stones, Crushed, Gravel, Volume to weight conversion

Table 3602/1 CRUSHED STONE BASE AND SUBBASE: …

steynwilson.co.za

Table 3602/1 CRUSHED STONE BASE AND SUBBASE: MATERIAL REQUIREMENTS Material TYPE OF MATERIAL Characteristic G1 G2 G3 Parent Sound rock from an approved Sound rock, boulders Sound rock, boulders or Material quarry, or clean, sound mine or coarse gravel coarse gravel rock from mine dumps, or clean sound boulders

  Requirements, Base, Material, Stones, Crushed, Gravel, Crushed stone, Material requirement, Subbase, Crushed stone base and subbase

Wastewater Technology Fact Sheet: Wetlands: Subsurface Flow

www3.epa.gov

in use in the U.S. ranges from fine gravel ≥0.6 (centimeters or≥ 0.25 in.) to large crushed rock (≥15.2 centimeters or ≥6 in.); A combination of sizes from 1.3 centimeters to 3.8 centimeters (0.5 to 1.5 inches) are most typically used. This gravel …

  Crushed, Gravel

Design Guide 6 - USDA

www.nrcs.usda.gov

Crushed Class M80 - 12 - - - - - - 45 - (a) Dimensional ratio of calipers shall be 5:1 (b) Course and fine aggregate for PCC shall be tested for alkali silica reactivity (ASR) as specified in MSMT 212.

  Guide, Design, Usda, Crushed, Design guide

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Crushed, Stone, Sand, Gravel, Section 500 PORTLAND CEMENT CONCRETE, CRUSHED STONE, Crushed gravel, Volume-to-Weight Conversion, CRUSHED STONE BASE AND SUBBASE: MATERIAL REQUIREMENTS, Design Guide, USDA