ITEM 73 AGGREGATES 73.01 FINE AGGREGATE FOR CONCRETE
The composite gradation of Class B aggregate shall be the grading specified on the Plans or in the Contract. GRADING TABLE FOR CLASS A AND CLASS B AGGREGATE FOR MINERAL AGGREGATE BASE AND SURFACE COURSES Sieve Class Class Class Class Class Class Size A B C1 C2 D and E F
Section 800 Coarse Aggregate - Bergeron Materials
Class A Class B Group I Aggregates 0-40 41-55 Group II Aggregates 0-50 51-60 c. “Class B” aggregates used in all applications other than Portland cement concrete, asphaltic concrete, or bituminous surface treatment shall meet these limits: Percent Wear AASHTO T 96 (“B” Grading) Class B Group I Aggregates 41-55 Group II Aggregates 51-65 ...
PDF Section 704—Cement Concrete
A higher class concrete may be used in place of an indicated lower class concrete if the higher class concrete conforms to all of the requirements of the indicated lower class, and if approved by the Department. Section 704.1(d)4.a QC Sampling and Testing of Plastic Concrete. Revise to read as follows: 4. QC Testing.
SECTION 03300 - Paulding County, Georgia
Concrete Class Size of Pour (cu. yd.) No. of Samples No. of Cylinders Class A 1 - 4 1 8 Class A or B 4 - 100 1 8 Class A or B 101 - 200 2 16 Class A or B 201 - 300 3 24 Class A or B Over 300 1 per 100 cu. yd. or fraction 8 per 100 cu. yd. or fraction 1.3 SUBMITTALS A. Provide submittals in accordance with Section 01300.
DEPARTMENT OF TRANSPORTATION STATE OF GEORGIA
1. Use either Class A or Class B coarse aggregate of the designated size, except when using limestone or dolomite in bridge structures. When using limestone or dolomite, use Class A coarse aggregate. 2. Use Type I or Type II Portland cement or Type IP Portland-Pozzolan cement unless otherwise specified. Do not use air-entraining cement. 3.
PDF Concrete Exposure Classes
§ Use Category 1 for concrete exposed to freezing and thawing. Use air content Category 2 for concrete not exposed to freezing and thawing. ** For class of exposure C-4, the requirement for air entrainment should be waived when a steel trowelled finish is required. The addition of supplement ary cementing
GRADATION OF AGGREGATE FOR CONCRETE BLOCK
aggregate for concrete (ASTM Designation: C30), and this test, used in conjunction with the standard method of test for unit weight of aggregate (ASTM Designation C29) is helpful in the selection of an aggregate blend when working with a new aggregate in
types of concrete: Types of concrete: Which type of concrete
2019/06/24 · There are three types of polymer concrete which include polymer impregnated concrete, partially impregnated polymer concrete and polymer cement concrete. Air entrained concrete – It is a special type of concrete where air, gas or foam is purposely infused in up to 6% of the concrete.
coarse aggregate class a - BINQ Mining
Coarse aggregate shall consist of crushed stone, … use either standard size No. 57 or No. 67 coarse aggregate in Class AA, A, B, or S concrete, … » More detailed 4115 Coarse Aggregate
Classification of Aggregates Based on Size and Shape
2017/03/01 · In general, 40mm size aggregate used for normal strengths and 20mm size is used for high strength concrete. the size range of various coarse aggregates given below. Coarse aggregate Size Fine gravel 4mm – 8mm Medium gravel ...
Aggregate Class Evaluation for BX Concrete
design was BX Concrete using a Class C aggregate. Approximately 100 feet, on the westbound shoulder, Class B Aggregate was used for the purpose of this evaluation for the comparison of Class C aggregate for BX II. Evaluate ...
PDF Section 201 - Concrete, Mortar, and Related Materials
5. A water reducing admixture conforming to 2011.2.4 may be used in any concrete specified by class and is required in all - 28 MPa (4000 psi) 4000 psi (28 MPa) compressive strength concrete specified by class. 6. Fibers conforming to 201-2.3 may be used in any concrete specified by class. 7.
HOW TO DECIDE MAXIMUM SIZE OF COARSE AGGREGATE TO BE USED IN
Mar 23, 2015 · On the other hand in smaller size aggregates the surface area is increased which increases w/c ratio and lower strength is achieved. In general for strength upto 200 kg/cm 2 aggregates upto 40 mm may be used and for strength above 300 kg/cm 2 aggregate upto 20 mm may be used. Conditions That Decide Maximum Size of Coarse Aggregate to be Used in ...
PDF SECTION 903-AGGREGATES - Memphis
903.04-Aggregate for Lean Concrete Base. Aggregate for Lean Concrete Base shall consist of crushed limestone, crushed slag, crushed or uncrushed gravel meeting the requirements of Subsection 903.05, for Class B, Grading D. The aggregate may be a "crusher or pit run" or may be sized into two or more sizes.
PDF Polished Concrete Gloss & Aggregate Exposure
Class "B" (on acid stained concrete) Class "A" (on plain concrete) More on Page 2 ... Page 2 of 2 ... More uniform aggregate exposure for Class B may be obtained through the application of a 5 kg/m2 dry-shake surface hardener at the time of slab cast-ing. Note: pigmented dry shake hardeners should be applied at a coverage ...
Mar 05, 2004 · 5) If the Contractor supplies aggregate, specify if a surface aggregate class other than “B” is required. 6) Specify transverse variance rate, if needed. Suggest a range of 10% (Ex. 22 - 32.) 7) Specify additional roller requirements, if needed. 8) Any limit on aggregate haul truck size may be shown on the plans.
Pavement Manual: Concrete Materials
Coarse aggregate Grades 2 and 3 listed in Item 421 are typically used in concrete pavements and have large nominal maximum aggregate size. Aggregates are typically gap Aggregates are typically gap graded, meaning they are missing sizes throughout the distribution.
PDF) The effect of concrete composition and aggregates
2009/09/01 · Concrete B: class C16/20, slumpin g factor 3 cm, water/cem ent ratios (0.66; 0.6 8; 0.68 and 0.58). The mixt ure of the concrete B was selected i n ac-
SPECIFICATIONS - DETAILED PROVISIONS Section 03300 - Cast
maximum aggregate sizes required by Structural Drawings and these Specifications, as follows, except as otherwise specified in the Special Conditions: a) Class "AA", 4,000 psi Concrete. Class "M" concrete shall be provided throughout except as specified hereinafter, or in the Special Conditions. b) Class "A", 3,000 psi Concrete.
SPECIFICATIONS - DETAILED PROVISIONS Section 03300
a) Class "AA", 4,000 psi Concrete. Class "M" concrete shall be provided throughout except as specified hereinafter, or in the Special Conditions. b) Class "A", 3,000 psi Concrete…
PDF Division 600 Miscellaneous Construction Section 601
Class B concrete is an air entrained concrete for general use. Class D, H or P concrete may be substituted for Class B concrete. Additional requirements are: The coarse aggregate shall have a nominal maximum size of 1½ inches or smaller. 429 601.02
PDF Section 03300 Cast-in-place Concrete Part 1 - General
B. Construct formwork so concrete members and structures are of size, shape, alignment, elevation, and position indicated, within tolerance limits of ACI 117. C. Limit concrete surface irregularities, designated by ACI 347R as abrupt or gradual, as follows: 1. Class A, 1/8 inch for smooth-formed finished surfaces.
Material Codes for Aggregate (03-22-0745
GRADE B COARSE AGGREGATE (GRAVEL) FOR CONCRETE (06/03 SU SP) 476 576 676 776 876 GRADE B COARSE AGGREGATE (RECYC PCC) FOR CONCRETE *** *** 691 791 *** GRADE B COARSE AGGREGATE ...
Aggregates for Concrete - Memphis
shows these limits for fine aggregate and for one size of coarse aggregate. There are several reasons for specifying grading limits and nominal maximum aggregate size; they affect relative. 82. Design and Control of Concrete Mixtures EB001. Fig. 5-4. Range of particle sizes found in aggregate for use in concrete. (8985) Fig. 5-5. Making a sieve ...
SECTION 500 - CONCRETE PAVEMENT
(b) class C concrete in accordance with 702 using Class AP coarse aggregate. 501.07 Lots and Sublots Lots will be defined as 7,200 sq yd (6,000 m2) of PCCP. Lots will be further subdivided into sublots of 2,400 sq yd (2,000 m