Storm Water Quality Units Installation Guide
Acceptable Backfill Material and Compaction Requirements Description Soil Classification Minimum Maximum* Compaction ASTM D2321 ASTM D2487 Standard Density (%) Layer Height Flowable Fill n/a n/a Dumped ** Graded or crushed stone Crushed gravel Class I - Compacted 12in. (300 mm) Well-graded sand gravels, and gravel/sand mixtures; Poorly …
1107- AGGREGATES FOR BACKFILL SECTION 1107 …
Provide material with a minimum coefficient of uniformity of 4 as defined by ASTM D 2487. For select granular backfill material composed of crushed stone, submit a proposed …
Standard Specifications for Transportation Materials …
contains 137 materials specifications and 54 Standard Practices, of which most contain both English and Metric ... AASHTO specification includes the corresponding ASTM designation number and any AASHTO exception to the ... R 46-08 (2012) Designing Stone Matrix Asphalt (SMA)..... R 46-1 1B R 47-14 Reducing Samples of Hot Mix Asphalt …
SECTION 703
Plasticity will be determined in accordance with AASHTO T 90. The material shall not contain clay balls, vegetable matter, or other deleterious substances. ... Aggregates for cover coat material shall be crushed stone, crushed slag, crushed gravel, or natural gravel. Aggregates shall be composed of clean, tough, durable fragments free …
Base Course Construction: Materials, Specifications, and …
The materials required for macadam bases are well-graded crushed stone and screening which are used to fill the voids in the compacted layers. The maximum size of the largest stone particles in the selected gradation of the material should be between half to two-thirds of the thickness of the compacted layer (by taking 4 1⁄2 compacted layer).
aashto specifiions for crushed stone as backfill materials
Suitable Backfill Material: Class II, Class III, Class IVA, or Class IVB as defined in Section 3010, 2.02. determined according to AASHTO T 96. SUDAS Standard Specifications Division 3 - Trench and Trenchless Construction MATERIALS A. Clean 2 1/2 inch crushed stone with the following gradation: Table 3010.06: Stabilization Materials
Section 4133
Crushed stone or natural sand and gravel. ... Article 4109.02, except when used as backfill material under flowable mortar or as floodable backfill material. 4133.03 QUALITY. For crushed stone, meet the requirements of Table 4133.03-1: ... AASHTO T 96. C Freeze. 20. Office of Materials Test Method No. Iowa 211, Method C.
SECTION 733 EARTHWORK MATERIALS: …
The materials section for the MSES backfill material was revised to include: 1. An explanation of the provision for the Department to perform Quality Assurance (QA) testing on MSES material. 2. Additional backfill materials that include recycled Portland Cement Concrete Aggregate (RCA) and crushed stone with a size designation 2. 3.
Section 812 Backfill Materials
Section 812—Backfill Materials Page 3 1 Crushed Stone Use a material manufactured from Class A or B stone free of soil overburden and having a soundness loss of not more than 15 percent. 2. Natural Sand Use material that consists of strong, hard, durable particles, is non-plastic, and has a durability index of at least 70. 3. Gradation
Installation
Proper backfill material selection A variety of materials can be used -as structural backfill with the final decision, many times, based on what is most available locally. Native soil may be an appropriate material providing it meets the basic criteria established in this section. Proper backfill compaction - Compaction forces out air and ...
211-R-XXX B BORROW AND STRUCTURE BACKFILL
gravel, crushed stone, ACBF, GBF, or other approved material. The material shall contain no more than 10% passing the No. 200 (75 µm) sieve and shall be otherwise suitably graded. The use of an essentially one-size material will not be permitted unless approved. Aggregate for end bent backfill shall be No. 8 or No. 9 crushed stone …
Aggregates 101
• AASHTO (American Association of State and Highway Transportation Officials) labels aggregate specifications from 1 to 10 according to the largest stone size in the …
703 AGGREGATE
703.11 Structural Backfill for 603 Bedding and Backfill 703.12 ... Provide aggregate conforming to the size specified in the material specification, the construction item, or as shown in AASHTO M 43. ... Coal and lignite: AASHTO T 113: Crushed pieces: S1021* Deleterious materials: S1029* Effect of organic impurities on strength of mortar ...
Commonwealth of Massachusetts Department of …
Massachusetts Department of Transportation – Highway Division Standard Specifications for Highways and Br idges . iv 2023 Edition . M6.04.3: Wood Chip Mulch .....
KANSAS DEPARTMENT OF TRANSPORTATION SPECIAL …
This specification covers aggregate for backfill. Use this when structures, pipe, mechanically stabilized earth ... For select granular backfill material composed of crushed stone, submit a proposed project gradation with ... test – AASHTO T 236, utilizing a sample of the material compacted to 95% of AASHTO T 99 Methods C or D (with oversize ...
AASHTO Materials Standards, 41st Edition, 2021
standard specifications for transportation materials and methods of sampling and testing and provisional standards 41st edition (july 2021) part 1: specifications and practices …
STANDARD SPECIFICATION PART 1
STANDARD SPECIFICATION SECTION 02223 TRENCHING, BACKFILLING, AND COMPACTING PART 1 - GENERAL ... E. Sample backfill materials by ASTM D 75. F. "Relative compaction" is the ratio, expressed as a percentage, of the inplace dry density to ... A. Gravel or crushed rock material shall contain less than 1% asbestos by weight or …
Crushed Stone Description and Uses (Pennsylvania …
AASHTO #57 x 1/4" 1-1/2" Under concrete slabs and sidewalks, sewer system stone AASHTO #67 x 1/4" 1" Under concrete slabs and sidewalks, utility pipe bedding, precast …
aashto specifications for crushed stone as backfill materials
Crushed Rock Cone Crusher Specification. crushed stone backfill specifications ... aashto specifications for crushed stone as backfill materials. aashto ... SECTION 1010 SELECT GRANULAR BACKFILL … SECTION 1010 SELECT GRANULAR BACKFILL FOR ... 1010.3.6 For select granular backfill other than crushed stone the ...
BACKFILL REQUIREMENTS
1. For structures using materials listed in Table 1, the backfill should be compacted to 90% density using the Standard Proctor method (AASHTO T-99). For structures using …
Section 812 Backfill Materials
This section includes the requirements for four types of material used as backfill: foundation backfill, Types I and II, imperfect trench backfill, Type III, and mechanically …
AASHTO #8 Stone | York Building Products
AASHTO #8 is a large grade of crushed stone. Like AASHTO #1, #3, and #57, it is a clean material that will not compact. However, the top size of AASHTO #8 aggregate is significantly smaller, making it ideal for different applications within the construction industry.
6 TYPES OF BACKFILL MATERIALS USED IN CONSTRUCTION
The suitability of rock as backfill material is highly dependent upon the gradation and hardness of the rock particles. The quantity of hard rock excavated at most subsurface structure sites is relatively small, but select cohesionless materials may be difficult to find or may be expensive. ... I'm having back filling stone, is there any ...
31 20 00 EXCAVATION, TRENCHING AND BACKFILLING …
A. Backfill: Soil material used to fill an excavation. 1. Initial Backfill: Backfill placed beside and over pipe in a trench, including ... Unsatisfactory Soils are those designated with AASHTO Soil Classification Groups A-2-6, A-2-7, A-4, A-5, A-6, A-7 (or in accordance ... E. Subbase Material shall be a graded mixture of natural or crushed ...
aashto specifications for crushed stone as backfill materials
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AASHTO #10 Crushed Stone
Crushed stone grades are categorized by fragment sizes after the stone has been crushed. AASHTO #10 aggregate is on the lower end of the scale, as it is ground very finely to create dust. At York, we use limestone to produce AASHTO #10 and other grades of crushed stone, as this material is abundant in Pennsylvania. AASHTO #10 Stone Size
SECTION 31 00 00 EARTHWORK PART 1 – GENERAL …
AASHTO M85 Standard Specification for Portland Cement b. AASHTO M 295 Standard Specification for Coal Fly Ash and Raw ... unsuitable for use in backfill. 2. On-Site material: suitable material from on-Site excavation. ... H. Refill material: 3/4-inch crushed stone for below grade or rock excavation unless otherwise directed.
