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Section 301 Base, Subbase, and Subgrade Aggregate Description (1) This section describes requirements common to sections 305 through 313 and 350. Exceptions and additional requirements are specified in those sections. Materials General (1) Provide coarse aggregates from a departmentapproved source as specified under
AASHTO M 80 : Standard Specification for Coarse Aggregate for Hydraulic Cement Concrete ... This specification covers coarse aggregate, other than lightweight aggregate, for use in concrete. Several classes and gradings of coarse aggregate are described (Notes 1 and 2). Specifications for fine aggregate are provided in M 6.
Coarse Aggregate: Samples of coarse aggregate and mixtures of coarse and fine aggregate for sieve analysis shall have a mass, after drying, not less than the amounts indicated in Table 1. Table 1 Sample Size for Determination of Coarse Aggregate Gradation Tests Sieve Size Minimum Mass of Samples (g) 2 1/2 in (63 mm) or more 35,000
Oct 31, 2013· AGGREGATE WAQTC FOP AASHTO T 2 (15) T2_short_ Aggregate 9 1 Pub. October 2015 SAMPLING OF AGGREGATES FOP FOR AASHTO T 2 . ... An exception is with regard to sieve sizes and nominal size of aggregate, in which the metric values are the standard as stated in ASTM E 11. Within the text, inchpound units are shown in ...
This is an excerpt of the official AASHTO Gradations page. The numbers shown are representative of percentages of a sample of stone which will pass through an opening the size .
Stone Sizes; Calculator; ... AASHTO #3 stone is similar to AASHTO #1 but has a 3inch topsize. It is also a bulky material but is somewhat easier to handle than the #1''s. ... It is also used as the primary raw aggregate in readymixed concrete and some blacktop mixes. It will not compact. AASHTO #67 Size 3/4 Inch Description #67 stone is ...
left is filled with large aggregate particles of uniform size (AASHTO M 6/ M 80) plus an additional six more coarse aggregate size numbers. Fine aggregate or sand has only one range of particle sizes for general construction and highway work. The grading and grading limits are usually expressed as the percentage of material passing each sieve ...
AASHTO #57. This material has a 11/2 inch top size and is a clean material. Often used for backfill for retaining walls, used for subase for sheds, also sometimes used as driveway stone. Also used as the primary raw aggregate in Ready Mixed Concrete and some HotMixed Asphalt mixes. Will not compact.
dried the samples are cooled to room temperature, then reduced to testing size in accordance with AASHTO T 248. After reducing the aggregate to the proper testing size the first test performed in this example will be a washed gradation. Washing the sample will be done in accordance with AASHTO T
Section 902. AGGREGATES General Requirements. The Department may reinspect and retest aggregates regardless of inspection at the producing plant. Provide safe access to the material for sampling from haul units or stockpiles. Do not use spent metal casting foundry sand, unless the contract expressly allows for its use.
The AASHTO system ranks specs according to size (110), with 1 being the largest (all material must pass a 4" sieve) and 10 being the smallest (all material passing a 3/8" sieve). Multidigit specs represent a blend of one or more of the ten basic specs ( AASHTO 57 is a blend of AASHTO 5 and AASHTO 7).
AND COARSE AGGREGATES AASHTO T 27 SCOPE The sieve analysis, commonly known as the gradation test, is a basic essential test for all aggregate technicians. The sieve analysis determines the gradation (the distribution of aggregate particles, by size, within a given sample) in order to determine compliance with design,
AGGREGATE WAQTC FOP AASHTO T 2 (16) 37_T2_short_16_errata_editorial Aggregate 91 Pub. October 2017 . SAMPLING OF AGGREGATES FOP FOR AASHTO T 2 . Scope . This procedure covers sampling of coarse, fine, or a combination of coarse and fine aggregates (CA and FA) in accordance with AASHTO T 291. Sampling from conveyor
40_T27_T11_short_19 Aggregate 121 Pub. October 2019 SIEVE ANALYSIS OF FINE AND COARSE AGGREGATES FOP FOR AASHTO T 27 MATERIALS FINER THAN 75 µM (NO. 200) SIEVE IN MINERAL AGGREGATE BY WASHING FOP FOR AASHTO T 11 . Scope A sieve analysis, or ''gradation,'' measures distribution of aggregate particle sizes within a given sample.
Jan 24, 2013· By the CT 382 definition, the maximum aggregate size is 3/4" and the nominal maximum aggregate size is 1/2". In the November 2011 version of CT 202, nominal maximum aggregate size is defined as "one sieve size larger than the first size to retain more than 10%." By this definition the nominal maximum aggregate size for the material example ...
A sieve analysis (or gradation test) is a practice or procedure used (commonly used in civil engineering) to assess the particle size distribution (also called gradation) of a granular material by allowing the material to pass through a series of sieves of progressively smaller mesh size and weighing the amount of material that is stopped by each sieve as a fraction of the whole mass.
STONE AGGREGATE DESCRIPTIONS for 2014 ACCOG Jt. ... • Material has a 2 inch top size and is a mix of coarse stone and fine material ... and fill • Primarily a dirty material that will compact and does not drain. AASHTO #3. 3A • This material is similar to AASHTO #1, but has a inch top size. • It is also a bulky material but is ...
Dec 01, 2014· Sieve Analysis (ASTM C 136, AASHTO T27): This test method evaluates the gradation of aggregate using a series of sieves. The results are then plotted on to a semilog aggregate gradation chart. This chart shows the particle size distribution for any given aggregate and can then be better evaluated for its use in portland cement concrete and ...
AASHTO T 96 Standard Method of Test for Resistance to Degradation of SmallSize Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine inactive ... This test method covers a procedure for testing sizes of coarse aggregate smaller than mm (1½ in.) for resistance to degradation using the Los Angeles testing machine (Note I ...
Percent wear AASHTO T 96 Aggregate gradation AASHTO T 27 Reactivity ASTM C 227, C 289, and C 586 ... D. Materials Warranty General Provisions 101 through 150. Section 800—Coarse Aggregate Page 5 TABLE SIZES OF COARSE AGGREGATES SIZE NO NOMINAL SIZE SQUARE OPENINGS AMOUNTS FINER THAN EACH LABORATORY SIEVE (SQUARE OPENINGS). %, BY .
The AASHTO size number is given in the far left column of the table. For example, an AASHTO size No. 57, or an AASHTO No. 8. The columns and rows in the middle of the table list the percent of aggregate allowed to pass each sieve for any given AASHTO size. Following the row on which the AASHTO .
data is necessary on fine aggregate fo r other purposes, such as mix design and water/cementitious ratios. All aggregates are porous, but some are more porous than others. How porous an aggregate is determines how much liquid may be absorbed when soaked in water. AASHTO T 85 defines absorption as the increase in the weight of
AASHTO defines overloading large sieves as weight retained in excess of times the sieve opening in in. (mm), as expressed in gm/in. 2 (kg/m 2). For fine aggregate, no weight shall be in excess of 4 gm/in. 2 (7 kg/m 2). 3. Coarse Aggregates After the material has been sieved, remove each tray, weigh each size.
Reducing Samples of Aggregates to Testing Size R 76 WSDOT Materials Manual M Page 5 of 10 April 2019 AGGREGATE WAQTC FOP AASHTO R 76 (16) 38_R76_short_16 Aggregate 103 Pub. October 2018 2. Reduce the sample from one of the two pans as many times as necessary to reduce the sample to meet the minimum size specified for the intended test.
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