B. Granular Backfill: TDOT #57 stone as specified in Section 903.22 of the TDOT Standard Specifications for Road and Bridge Construction. 2.03 PIPE ZONE MATERIAL A. Crushed stone, TDOT #7 as specified in Section 903.22 –Sizes of Coarse Aggregate AASHTO M 43, of the TDOT Standard Specifications for Road and Bridge


SECTION 304 3.3.2 A stockpile of acceptable material, as described in 3.5, equal to at least 20 percent of the bid quantity or 5,000 yd3 (4000 m3), whichever is less, shall be constructed before the hauling and placing phase of the work begins.The stockpile shall be maintained until approximately 80 percent of the quantity has been placed. 3.3.3 Stockpiles shall be constructed in layers that ...

AASHTO #57 Stone Specs - Capitol Flexi-Pave

AASHTO #57 Stone Specs AASHTO #57 stone as defined by quarries, state agencies, etc. is an open-graded, self-compacting aggregate blend of size 5, 6, & 7 stone. This material cannot be 'compacted' in a true sense, but can be properly oriented with compaction equipment. This is particularly important when using #57 stone under Flexi-Pave surfaces.


compliance with Specifications. Material may be inspected by Owner. B. Crushed stone: 3/4-inch sized, durable, clean angular rock fragments obtained by breaking and crushing rock material meeting MassDOT M2.01.4, free of criteria ice, snow, sand, silt, clay, loam, shale, or other deleterious matter. Sieve analysis by weight Sieve Size

Aggregate - Illinois Department of Transportation

Aggregates focuses on: natural sands, gravels, crushed gravels, crushed stone, steel slag, air cooled blast furnace (ACBF) slag, recycled crushed concrete, rip rap, reclaimed asphalt pavement (RAP) used as aggregate. Qualified Product Lists. Procedures.

aashto crushed stone porosity - Kandis Residence

stone crushers aashto. Porosity of Structural Backfill Tech Sheet 1 Hancor crushed stone has 40% void space. dumped embedment exceeds 40% porosity 12" min. typ. compacted bedding depth of stone to be determined by design engineer 6" min.* ¾ 2 inch washed, crushed, angular stone aashto m288 class 2 nonwoven geotextile 6" min. 6" min. Get Price.


Crushed Stone 0-25 50-100 95-100 (b) Coefficient of Uniformity. Provide material with a minimum coefficient of uniformity of 4 as determined by ASTM D 2487. For select granular backfill material composed of crushed stone, submit a proposed project gradation with single-point gradations and tolerances for approval.

AASHTO #467 Crushed Stone | Union Quarries

AASHTO #467 is a crushed stone size proven to be valuable for projects in many industries. A successful project requires getting your AASHTO #467 aggregate from a supplier that values quality and creates aggregates made to last. Let Union Quarries be your crushed stone supplier for your central Pennsylvania business.

aashto specifications for crushed stone as backfill materials

Specification for redi-rock ® 41" series wall system131 Кб. PART 2: MATERIALS 2.1 Wall Units A. Wall units shall be Redi-Rock® as produced by a licensed manufacturer.2.2 Leveling Pad and Free Draining Backfill A. Leveling pad shall be crushed stone.Compact backfill to 95% of standard proctor (ASTM D 698, AASHTO T99) density within 2% of its...

AASHTO #57 Crushed Stone | Union Quarries

AASHTO #57 aggregate is a crushed stone grade that is gravel-like and made from a blend of stones five, six and seven. It comes from natural rock, so the pieces are jagged and angular. What Is #57 Crushed Stone? AASHTO #57 consists of many common kinds of rocks, including quartzite, washed gravel, granite, argillite, limestone and traprock.

General Specifiion Of Gradation Crushed Stone Dust

7 Different Crushed Stone Sizes And Their Applications. Jul 27 2020 The information below provides a general overview to help you choose the right material for your project Crushed Stone Grade 1 10 Generally as the grade number goes up the size of the stone goes down 1 – The 1 crushed stone grade is the largest of the crushed stone grades and includes stone between 2 4 inches long.

703 AGGREGATE - Pages

Furnish structural backfill for 603 bedding and backfill consisting of limestone, gravel, natural sand, sand manufactured from stone, foundry sand, ACBFS, GS, or RPCC. The use of RPCC is permitted without wear testing or sodium soundness testing requirements if the Contractor provides information proving the material met this specification at ...


2.6 Select Granular Material: Select granular material shall consist of well-graded sand, gravel, crushed gravel, crushed stone or crushed slag composed of hard, tough and durable particles, and shall contain not more than 10 percent by weight of material passing a No. 200 mesh sieve and not less than 95 percent by weight passing the I inch sieve.

Aashto Specifications For Crushed Stone

backfill guidelines. gravel or crushed stone be used as backiill material. materials that (aashto) have specifications for standard sizes of coarse aggregate. the ... Read more Keystone Quarry, Inc. - Welcome to Keystone Sanitary ...

Compacting AASHTO #57 - Earthwork/grading engineering ...

Dec 15, 2003· RE: Compacting AASHTO #57. dirtdoctor (Materials) 10 Dec 03 11:07. I do not believe it is referred to as 'AASHTO 57 stone', however, #57 stone as defined by quarries, state agencies, etc. is an aggregate blend of size 5, 6, & 7 stone. This material cannot be 'compacted' in a true sense, but can be properly oriented with compaction equipment.

SECTION M02 - Connecticut

M.02.05—Pervious Structure Backfill: Pervious structure backfill shall consist of broken or crushed stone, broken or crushed gravel, or reclaimed miscellaneous aggregate containing no more than 2% by weight (mass) of asphalt cement or mixtures thereof. Materials for this work shall conform to …

Characterization of Granular Materials for use in ...

For example a conservative estimate for the material cost for pipe and crushed stone backfill is $200,000,000 per year in the United States. Crushed stone can contribute up to 35% of the material cost. A 20% reduction in crushed stone may result in an annual saving of $14,000,000 per year.

aashto crushed stone porosity - staroceskakuchyne.cz

1. the listed aashto designations are for gradations only. the stone must also be clean, crushed, angular. for example, a specification for 4 stone would state: "clean, crushed, angular no. 4 (aashto m43) stone get price crushed stone pavement standards . aashto specifications for crushed stone as backfill materials Stone crushing equipmentget ...

SUDAS Standard Specifications Division 3 - Trench and ...

2.02 BEDDING MATERIAL A. Class I Material: 1. Crushed stone complying with the following gradation: Sieve Percent Passing 1 1/2" 100 1" 95 to 100 1/2" 25 to 60 No. 4 0 to 10 No. 8 0 to 5 2. The Engineer may allow the use of gravel or authorize a change in gradation subject to materials available locally at the time of construction. 3.


E. Elongation Specifications: The length of the crushed stone backfill shall not be more than twice the designated screen dimensions. F. Sodium Sulfate Loss: Aggregate shall pass the percent sodium sulfate loss per AASHTO T 104 with 9% maximum. G. LA Abrasion: Percent of wear per AASHTO …


All material used for backfill, including non-granular material, shall meet the following specifications and shall be of a quality acceptable to the Engineer. All backfill material shall be in a thawed state when placing and compacting, and be free from rocks, large or frozen lumps, wood, or other unsuitable material. Backfill


Jul 01, 2013· B. Backfill Material. ... specifications herein. 2. Borrow Material: Suitable material used fo r Trench Backfill provided from locations outside limits of trench excavation and meeting specification requirements herein. 3. Structural Fill: Compacted Trench Backfill meeting specification requirements ... Crushed stone, crusher run (CR-6), or ...


the stone must also be clean, crushed, angular. for example, a specification for #4 stone would state: "clean, crushed, angular no. 4 (aashto m43) stone". 2.stormtech compaction requirements are met for 'a' location materials when placed and compacted in 6" (150 mm) (max) lifts using two full coverages with a vibratory compactor.

209 Granular Backfill

Effective with the November 2020 Letting 2021 Standard Specifications 209 Granular Backfill 209.1 Description (1) This section describes furnishing processed or selected granular materials, where the plans designate, as follows: 1. Backfilling excavations for frost heave or other unstable materials.

aashto specifications for crushed stone as backfill materials

aashto specifications for crushed stone as backfill materials. aashto specifications for crushed stone as backfill Mining crushers mainly include jaw crusher, cone crusher, impact crusher, mobile crusher for crushing stone, rock, quarry materials in mining industryPlease contact us through Live Chat system to get price quotation and more info.

crushed limestone backfilling - PIADINABAR

crushed stone for column backfilling grading. Place washed drainstone or open-graded crushed stone backfill between blocks and at ... for example a clear crushed …

210 Structure Backfill

Furnish materials consisting of either sand-sized 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.

Products – Mountain Stone Aggregate

1 ¼" Crushed Rock #2250. Clean crushed rock commonly referred to as railroad ballast, it is used for backfill on rockery and block walls as well as a drainage material under permeable concrete or asphalt. Also used to bind up muddy areas in roadways and building subgrades. WSDOT 9-03.9(2)

Inspection & Sampling Procedures for Fine & Coarse …

1-2 5) Templates for belt sampling. Sample Reduction Equipment required for AASHTO T 248: 1) Mechanical splitters 2) Buckets Sieve Analysis Equipment required for AASHTO T 27 1) Sieves - for coarse aggregates 15 in. x 23 in. or 14 in. x 14 in. screens

SPECIAL SPECIFICATION 4447 Thermoplastic Pipe

Specification designation (e.g. AASHTO M 294 or ASTM F 949), ... material, such as sand, crushed stone, or pea gravel, with a maximum allowable size ... Provide backfill material meeting the following specifications: 4-6 4447 07-09 Type I – Provide backfill consisting …

Verti-Block Material Spec - EP Henry

2.5.1 A minimum 6 inch thick crushed stone leveling pad should be used. Alternate materials such as low- strength, unreinforced concrete may be used at the discretion of the design engineer or DOT requirements. AASHTO specifications will be followed …


AASHTO T 112 2.0 Materials Finer than No. 200 (75-µm) Sieve AASHTO T 11 1.5 Lightweight Pieces (Less than ... consist of crushed stone free of vegetable matter and other del eterious substances. ... Material used as backfill against aluminum pipe shall have field resistivity of more