Asphalt Pavement Construction - Asphalt Institute

An application of a low viscosity asphalt to a granular base in preparation for an asphalt surface course. ... What type asphalt should be used? A liquid asphalt, such as a Rapid Setting Emulsion (RS-1,2 or CRS-1,2 includes modified) 1 Cutback asphalts in some areas depending on EPA regulations which would include RC-250, 800 or 3000, are ...

Mix Types – Pavement Interactive

HMA Mix Types. The most common type of flexible pavement surfacing in the U.S. is hot mix asphalt (HMA). Hot mix asphalt is known by many different names such as hot mix, asphalt concrete (AC or ACP), asphalt, blacktop or bitumen. For clarity, this Guide makes a conscious effort to consistently refer to this material as HMA.

STANDARD CONSTRUCTION SPECIFICATIONS FOR ASPHALT …

necessary to complete the construction of hot mix asphalt concrete pavement consisting of one or more courses on a previously prepared base, seal coat of asphalt cement and cover aggregate, and bituminous surface treatment in single or multiple courses. Article 1.2 Applicable Standards

Types Of Asphalt - What's The Difference? | Paving Finder

Feb 02, 2021· The different asphalt types have varying performance attributes in terms of braking efficiency, surface durability, roadway noise, and even tire wear. But, which asphalt type is the best? All the asphalt types are good and work well for various paving needs; however, it relies on the homeowner's needs.

What is the difference between Binder and Topcoat? – Red ...

Binder (also known as basecoat) and Topcoat are types of asphalt paving material, made from hot asphalt cement and aggregate. Depending on the specified use the percentages and sizes of aggregate vary. Typically a "Binder" Course also known as the load bearing coarse contains mostly 3/4" aggregate (The stone in the asphalt is larger), and ...

Chapter 2 Asphalt and Asphalt Paving Materials

properly designed. Cold mix surface courses are suitable for light and medium traffic; however, they normally require a seal coat or hot Asphalt Concrete overlay as surface pro-tection. When used in the base or subbase, they may be suitable for all types of traffic. Bituminous Treated Aggregate Base Bituminous treated aggregate base is one type ...

Prices for Asphalt Paving Service - Beiler Bros Asphalt, LLC

Power-sweep the surface and dispose of asphalt millings offsite. Pave with a 3/4″ leveling course to increase ruggedness, durability, and smoothness. Pave with a 1.5″ wearing course. For driveway resurfacing, 1,500 square feet is approximately $3,690. 5,000 square feet is approximately $7,510. Please call for pricing on larger projects.

Local Agency Specifications Archive - Asphalt

Superpave mixes are identified as Type SP-9.5, Type SP-12.5 or Type SP-19.0. Sand-Asphalt Hot Mix: This Specification covers the requirements of constructing a Sand-Asphalt hot mix base course, leveling course, or surface course. Asphalt Concrete Friction Course: This Specification covers the requirements of constructing a Asphalt Concrete ...

CHESAPEAKE COLLEGE – LOT D SECTION 32 12 16 ASPHALT …

4. Asphalt Base Course: Minimum surface temperature of 40 deg F (4.4 deg C) and rising at time of placement. 5. Asphalt Surface Course: Minimum surface temperature of 60 deg F (15.6 deg C) at time of placement. B. Pavement-Marking Paint: Proceed with …

Porous Pavement Tech Bulletin

for cars, 3 inches of porous asphalt surface course is the minimum. FPO suggests using a total of 4-1/4 inches of porous asphalt placed in 2 courses; a 3-inch base course and a 1-1/4 inch surface course. For the base course, use materials and methods meeting the requirements of FPO specification Porous Asphalt Pavement

Section 400 BITUMINOUS PAVEMENTS

a surface texture, when compacted, similar to that of the specified mixture. Also the drainage properties ... The optimum asphalt cement content for the proposed gradation shall be determined by the Contractor using the Marshall Mix Design Method for Type 6F and Type 7F top course mixtures requiring Marshall Mix Design.

Hot Mix Asphalt | Asphalt Calculator | Calculate Aggregate ...

Overview Hot mix asphalt (HMA) pavement refers to the bound layers of a flexible pavement structure. Asphalt pavement material is a precisely engineered product composed of about 95 percent stone, sand, and gravel by weight, and about 5 percent asphalt cement, a petroleum product. Asphalt cement acts as the glue to hold the pavement together. Our HMA is mixed at our asphalt production ...

APPENDIX B - Caltrans

resulting in an extremely roughened surface texture. This rough surface texture is due to the dislodging of coarse aggregate and loss of the asphalt binder. "Fine Ravel" is the wearing away of the pavement surface asphalt and fines, resulting in a moderately roughened surface texture. This roughened surface texture is due to the wearing away of

Three Hot Mix Asphalt Types

Jan 14, 2019· This mix is only used for surface courses. It has a smoother surface finish than the dense-graded. Its low cost of placement counteracts the high cost of producing it. However, make sure that you are not clogging or sealing the pores as this action will dramatically reduce and degrade asphalt performance and stability.

Building Better Asphalt Trails - American Trails

May 23, 2018· Asphalt has been the material of choice for trails of many kinds throughout America. This article provides the technical data, based on wide experience, for building the most durable and cost-effective asphalt trails. The selection of surface material for trails and paths is primarily based on anticipated type and intensity of trail use, as ...

TxDOT Specifications

Nov 15, 2006· ITEM NO. - TITLE AND REQUIREMENTS. 334 - HOT-MIX COLD- LAID ASPHALT CONCRETE PAVEMENT. SPECIFICATION REQUIREMENTS 1) Specify the mixture Grade for each course. 2) Specify surface aggregate classification requirements. 3) Specify if surface aggregate classification requirements apply to other than surface courses. 4) Specify any additional aggregate …

What is Asphalt Leveling Course? - Benchmark Inc.

May 22, 2018· Asphalt leveling course is defined as a layer of asphaltic concrete pavement of varying thickness spread on an existing pavement to compensate for irregularities prior to placing the surface or wearing course. As you may or may not …

Table of Contents

example, Item 441 Asphalt Concrete Surface Course, Type 1, PG64-22 is the exact same material whether the acceptance is 446 or 448. The acceptance method for most surface and intermediate courses (441, 442, and 443 items) is specified by the number in parentheses in the pay item description.

SECTION 5.0 BITUMINOUS CONCRETE PAVEMENT

(c) Bituminous Concrete Surface Course (Type I-1, I-2, HDS, S-9.5, SF-9.5A,B and S-12.5) This item shall consist of a surface course composed of a mixture of course aggregate, fine aggregate, and asphalt cement mixed in accordance to a mix formula and at an asphalt plant

CHAPTER 640 COMPOSITE PAVEMENTS - Caltrans

Jul 01, 2020· rehabilitation. The thickness depends on the design life of asphalt surface course, as well as mix gradation, type and percentage of the binder. For additional information on rehabilitation of composite pavement with rigid surface courses refer to the Concrete Pavement Guide available on the Department Pavement website. (2) Ride Quality. When ...

SECTION 10 INDEX BITUMINOUS SURFACE COURSE AND …

7. BITUMINOUS SURFACE COURSE: Bituminous surface course shall be APWA Type 3-01 and shall conform to the current APWA Section 2205. RC for surface course is authorized but will not exceed 20%. Contractor must submit to the City for approval any variation(s) from this design.

ODOT District 4 --- Pavement General Notes

Jun 21, 2005· revised 04/08/2013p406: item 441 - asphalt concrete surface course, type 1, (448) (driveways), as per plan this item of work shall consist of paving all existing driveways that do not have a curb cut or are not paved as an intersection as shown on the asphalt concrete plan sheet. driveways are to be paved a distance of 4 ft.

400 FLEXIBLE PAVEMENT

For Type 1H asphalt concrete or any surface course with a polymer modified asphalt binder, ensure that the surface of the existing pavement is at least 50° F (10° C) and the air temperature is at least 50° F (10° C). Do not place any Type 1H asphalt concrete or any surface course with a polymer modified asphalt binder after

South Carolina Asphalt Pavement Association

Asphalt Surface Course Surface Type D Surface Type C Surface Type B Finer Coarser . THICKNESS DESIGN We need to know: –Traffic Class –Subgrade Quality Asphalt or aggregate base? SAMPLE DESIGN CHART [MEDIUM SUBGRADE] 0 2 4 6 …

401 DIVISION 400 ASPHALT PAVEMENTS SECTION 401 …

Asphalt Concrete Hot Mix Surface Course (1/2" [12.5 mm]) or (3/8" [9.5 mm]), conforming to Section 407, may be used in lieu of an asphalt surface treatment and will be considered to be equivalent construction when furnished according to the following minimum substitution rate: Shoulders Roadways

Asphalt Surface Base - Liberty, Missouri

Asphalt Plant Requirements: All delivery tickets shall designate the type of recycled mix, (i.e. RC-Type 1, RC-Type 2, R-Type 3, R-Type5). C. Mix Design Criteria. Laboratory Test Specimen(s) of the Paving Mix, combined in proportions of the job- mix formula, shall be prepared and tested in …

SECTION 334 SUPERPAVE ASPHALT CONCRETE 334-1 …

SUPERPAVE ASPHALT CONCRETE . 334-1 Description. 334-1.1 General: Construct a Superpave Asphalt Concrete course using the type of mixture specified in the Contract, or when offered as alternates, as selected. Superpave mixes are identified as Type SP-9.5, Type SP-12.5 or Type SP-19.0. Meet the requirements of Section 320 for plant and equipment.

Hot Mix Asphalts 101 - State

Stone Matrix Asphalt Open Graded Friction Course Dense Mix. Hot Mix Asphalt Mixture Design Objectives. Specific Mix Design Objectives • Stability (permanent deformation resistance) ... Surface Type dB(A) OGFC 97.2 Novachip® 98.8 9.5 mm SMA 98.0 12.5 mm SMA 100.5 Micro-Surfacing 98.8 12.5 mm SP 97.8. Stone Matrix (Mastic) Asphalt SMA. 0 10 20 ...

When to Use What Grade of Asphalt and Why

be carefully controlled and in hot asphalt penetration of coarse stone (macadam) layers. The softer grades are also used in some seal coat or surface treatment work, but in such cases the application of aggregate must be made immediately and before the asphalt chills. Asphalt cements are specified by penetration grade. This is simply

Asphalt Products - EAPA

"Asphalt for Ultra-Thin Layers (AUTL) is a hot mix asphalt road surface course laid on a bonding layer, at a nominal thickness between 10 mm and 20 mm with properties suitable for the intended use. The method of bonding is an essential part of the process and the final product is a combination of the bonding system and the bituminous mixture".

GENERAL ASPHALT AND CONCRETE TERMS AND …

Surface Course Asphalt: The top layer of an asphalt structure, sometimes called the wearing course. It ... SUBBASE: The layer or course in the pavement structure that is immediately below the base course of asphalt. Typically the sub -base is a type of aggregate, such as 21A stone. If the sub-grade soil (see below) has adequate

SC-M-400 - Hot Mix Asphalt Quality Assurance 0510

Surface course is defined as the following; Surface Types A, B, CM, C, D and E. An Intermediate course is defined as the following mix types; Intermediate Types A, B and C, and Base mixtures are Base Types A, B, C and D. Open Graded Friction Course (OGFC) and Asphalt Shoulder Widening Course are also referred to in the specification.

SUPERPAVE ASPHALT CONCRETE

334-1.1 General: Construct a Superpave Hot Mix Asphalt pavement for local agencies using the type of mixture specified in the Contract, or when offered as alternates, as selected. Superpave mixes are identified as Type SP-9.5, Type SP-12.5 or Type SP-19.0.