Find the approximate Tonnage of materials required for AC Dense Surface, Base and Binder courses highway road pavement with area of 56 m2 and thickness of 21 mm. so as to conform with the lines, grades, thickness, widths and cross-section as shown on the plans or as directed by the City Engineer. PMA S0.25 - May be used as a binder course on high volume or rut sensitive roadways to support a thin or ultra-thin surface treatment. Base Course. Nominal layer Thickness. SUB-BASE + CAPPING LAYER 150mm minimum thick granular material Type 1 to SHW Clause 803. thickness of the base course with 302 used for thicker bases Binder grades • Binder grade has a very significant impact on the performance and durability of asphalt pavement • ODOT specifies PG binder grades . 4.2 Surface Course Materials 49 4.3 Binder Course Materials 58 4.4 Base Materials 59 Tables 1a. * To accord with accepted European terminology, the term 'asphalt' used in this publication, unless accompanied by a . 1. Asphalt Pavement Association Of Michigan Selecting the Right Mix 2937 Atrium Drive, Suite 202 Okemos, MI 48864 517-323-7800 www.apa-mi.org 19 = 19.0 mm Binder Course (for use when ESALs between 3 - 10 million) (< 8,000 AADT on 2 or 3 lane and < 13,000 on 4 or more lanes). 0/40mm dense base course. In general, its thickness is about 50 to 100 mm. The specified thickness for routinely used mixtures is: Mixture Size, mm Nominal layer Minimum thickness, mm thickness, mm Asphalt concrete (AC) Dense surface course 6 20 to 30 15 Close-graded surface course 10 30 to 40 25 Dense binder course 20 50 to 100 40 Dense base 32 70 to 150 55 Hot rolled asphalt (HRA) Surface course (sand carpet) 0/2 25 20 Typical Service Life for Asphalt Surfacing 05 1b Surface Course Attributes 06 1c. Bituminous binder course is made of bituminous-aggregate mixture, also called as levelling course. The ideal thickness of this mid-surface pavement is approx. SM-9.5A This mix is a 'fine' to 'medium' (3/8 inch (9.5 mm) nominal maximum aggregate size) surface mix generally placed at 1 ½ inches (40 mm) thickness. When 16 to 25% RAP is used: "The selected binder grade for the new asphalt is one grade lower for both the high and low temperature stiffness than the binder grade required for a virgin asphalt. CHAPTER 6 PAVEMENT DESIGN PROCEDURES Chapter 6 . 10 in 50 104 156. Intermediate/Binder Course. It should not be placed in lifts exceeding 1" and should not normally be specified as a final wearing course for structural repairs or Engineering. binder course was known as basecourse and base was known as roadbase. Durham University has a long history of research and teaching in Geo-Engineering. Lean Concrete Subbase Depth vs kc, pci, (LS=1) 4 in 6 in: 8 in. Suitable materials are Types 1 and 2 unbound mixtures9 or other locally available materials of known satisfactory quality such as crusher run, hardcore and quarry scalpings. WEARING COURSE: Bardon Supreme 10 CW PSV 65. XX Y Z Q R M Revision Metric Number Spec. If economy is not a problem, binder course and surface course can be constructed monotonically using good quality materials with 100 to 150 mm thickness. SMA 10 Surf LS 0.4% Fibres: 20 - 30mm: 15mm: SMA 6 Surf 70/100 LS 0.4% Fibres: 25 - 35mm: 20mm: AC 10 Close Surface LS: 30 - 40mm: 25mm: AC 14 Close Graded Surface Course LS: 40 - 55mm: 35mm: AC 20 Dense Bin LS: 50 -100mm: 40mm 205: 262 100 192 271: 354. 50 YEAR PAVEMENT THICKNESS SHEET QUALIFIERS. Typical base course thickness ranges from 100 to 150 millimetres (4 to 6 in) and is governed by underlying layer properties. To lay and rol 20mm hard stone binder course thickness 60-80mm. Asphalt Applications 11p4 Sub-base Suitable materials are Clause 803 Type 1, Clause 804 Type 2 and Clause 807 Type 4 (asphalt arisings) 8.11 Rounding pavement thickness in design. Minimum Thickness. The 'A' designation corresponds to the Performance Graded (PG) asphalt binder of PG 64-22 required in the mix. bituminous layer. The base and sub-base courses consists of granular materials like crushed stone aggregate, gravel and aggregate-soil mixes. PMA S0.25 - May be used as a binder course on high volume or rut sensitive roadways to support a thin or ultra-thin surface treatment. Another approach to ensure the fatigue life would be to design appropriate asphalt thickness. 3- Wearing Course provide smooth riding. Recommended minimum lift thickness 11/2". Is there a specified maximum air voids in App. Sub Base. Site Classification - 40mmph or more 09 1d. The surface course, therefore, consists of a mix with a binder material like bitumen and mineral aggregates. Our binder course includes: AC 20 dense binder 100/150 is normally used between the surface course and the base course and is suitable for footpaths and light traffic areas. Binder course AC20 Dense Binder 40/60pen... Max temp 190C Min rolling 100C 100/150pen... Max temp 170C Min rolling 90C Thickness, ideally 3D ie 3 x 20 = 60mm. For footpaths: 6mm porous surface course (recommended at 30mm thickness) suitable for hand lay. Surface/Wearing Course in pavement cross section: The top layers of pavement which is in direct contact with the wheel of the vehicle. 4.75 MM Superpave This mix is designed primarily for thin lift leveling or correcting minor deviations. Course Thickness* 1" to 3" . 7. The thickness of a leveling course will vary across the paving mat. Item 441 intermediate courses use PG64-22 binder in all districts. 4 Chart 1: Recommended Mixes for Normal HMA Applications (Proposed compaction levels based on NCHRP 9-9 levels @ 4% Per Voids) Low Volume Design Level Recommended Aggregate Size Binder Type Compaction Level Compacted Thickness Surface 9.5mm PG64-22 50 gyrations 1.5" Base 12.5mm PG64-22 50 gyrations 2" 19mm PG64-22 50 gyrations 3" Let Black Hawk Paving and Construction Assist You. 7% 11 BINDER COURSE: Bardon Supreme 14 NS. Road Structure Cross Section is composed of the following components: Surface/Wearing Course. Juanual 11-15, 2015 Washington D.C. Binder Course and Regulating Course 31 NG 938 (05/18) Porous Asphalt Surface Course 32 NG 942 (05/18) . PG 64 . It is the first layer in case of two-layer bituminous resurfacing. BASE/BINDER COURSE (90mm thickness) PAVEMENT SURFACING SURFACE COURSE (25mm thickness) FORMATION FORMATION. Layer Thickness 35-40 mm 25-30 mm Nominal Aggregate Size 13.2 mm 10 mm Grading I II THE GRADING REQUIREMENTS OF SDBC. . 8. Usually constructed of material in which bitumen is used as binder materials. The 'A' designation corresponds to the Performance Graded (PG) asphalt binder of PG 64S-22 required in the mix. SM-9.5A This mix is a 'fine' to 'medium' (3/8 inch (9.5 mm) nominal maximum aggregate size) surface mix generally placed at 1 ½ inches (40 mm) in thickness. 5.17 Crumb Rubber Modified Asphalt Binder Dense-Graded Courses New . For example, if the specified binder grade for the virgin mix is a PG 64-22, the required grade for the recycled mix would be a PG 58-28". If the surface course binder grade is changed due to a high stress location, the binder grade for any intermediate course may be changed to match the surface binder grade but this is usually not necessary. If Total binder depth is greater than 2 1/4" then use "POLYMERIZED HMA BINDER COURSE, IL-19.0, N90; 4% @ 90 Gyr." for only the top Binder lift thickness and use regular "HMA BINDER COURSE, IL-19.0, N90; 4% @ 90Gyr" for the remaining thickness The minimum thickness for RHMA-G is 0.10 foot. Three different Specifications for dense graded bituminous mixes are available for use for airfield pavements. Binder (PMB) Layer thickness Details of constituent quality and layer thickness shown below 6mm nominal size 20 - 30mm 10mm nominal size 25 - 50mm 14mm nominal size 35 - 50mm Surface texture(on installation) 10mm medium texture 1.1 - 1.6 mm 14mm medium texture 1.3 - 1.8 mm (All HE Clause 942 Level 3) Road and laboratory test results Type SP-9.5 - May not be used on Traffic Level D and E applications. Course depth 75mm. 9 When laying binder course or surface course the paver shall be taken out of use In addition to having the strength to bear the load, binder must have the ability to withstand seasonal . b) the required combined binder and base course material thickness is still required, unless the binder course mixture is replaced with surface course mixture, as permitted by Appendix A2.0.1(1) and A2.0.2(1). Asphalt Concrete Surface Course, Type S9.5B 6.7% Asphalt Concrete Surface Course, Type S9.5C 6.0% Asphalt Concrete Surface Course, Type S9.5D 5.7% Asphalt Concrete Intermediate Course, Type I19.0C 4.8% Asphalt Concrete Base Course, Type B25.0C 4.5% Other Materials: Permeable asphalt drainage course, Type P-57 2.5% 10.39 [11].The air voids in the mixture of the asphalt bottom layer should be as low as possible to ensure a higher fill of asphalt binder in the voids . RHMA layer 2- Binder Course binds the Wearing Course with the Road Base. Prior to placing base, verify that grade is true to correct cross-section and alignment. 443 150 274 378 Effects of Binder, Curing Time, Temperature and Trafficking on Moduli of Stabilized and Un-stabilized Full Depth Reclamation Materials Rongzong Wu, Stefan Louw, David Jones University of California Pavement Research Center . To spread and lay st1 concrete mix at front of drive area thickness of 100-150mm. 20mm porous binder course . Course Information: Fonda A. Nevel Staff Assistant (814-863-1293) 4 Course Objective • This is an update/refresher course for Certified Asphalt Field Technicians. Lot means a specific quantity of material or a specific amount of construction normally from a single a) Binder course and surface course thickness in Type 3 and 4 roads are minimum values and shall not be reduced by application of the 10:35 equivalence of bituminous/granular materials; and b) Where part of a granular Base and/or sub-base is to be replaced by additional binder course material, the remaining total thickness of granular material . To lay and roll 6mm hard stone wearing course thickness 42-48mm. It is a fine mix that can be placed in lifts as thin as 1/2". 1- Binder Course. Base Course. This layer provides the bulk of the HMA structure. 2- Wearing Course (It is the layer that is in direct contact with the tires of the vehicle) Functions of Surfacing of Road. allow both 9.5-mm and 12.5-mm NMAS HMA in surface courses, 12.5-mm and 19-mm NMAS HMA in intermediate courses and base courses, and 9.5-mm NMAS HMA in leveling courses. 5.16 Asphalt Rubber Gap-Graded Wearing Course New . As part of this project, an Australia specification framework for EME2 . This way, the wearing course can be rehabilitated before distress propagates into the underlying intermediate/binder course. 402.098302 9.5 F3 Top Course HMA, 80 Series Compaction 402.128102 12.5 F1 Top Course HMA, 80 Series Compaction 402.128202 12.5 F2 Top Course HMA, 80 Series Compaction 402.128302 12.5 F3 Top Course HMA, 80 Series Compaction 402.198902 19.0 F9 Binder Course HMA, 80 Series Compaction 402.258902 25.0 F9 Binder Course HMA, 80 Series Compaction . SM-9.5A mixes usually result in low water permeability values. . To achieve a better balance and also lower production costs, a somewhat larger size would be preferable. Durham was the first university in the UK to run a course in Engineering, with a programme in Civil and Mining Engineering launched in 1838. Binder Course Binder course is also constructed using aggregates and bitumen but with less quality than materials used for surface course. Chapter 8 Bituminous Binder Course Binder course layer is an intermediate layer between base course and surface layer.
This approach is particularly relevant when thick layers of base are being used to minimise the number of horizontal 150mm base to BS EN 13108:Part 1:2006. (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 as a structural surface course up to a maximum thickness of 0.20 foot.
Asphalt Applications 11p4 Sub-base Suitable materials are Clause 803 Type 1, Clause 804 Type 2 and Clause 807 Type 4 (asphalt arisings) PG 64-22 100 S9.5B6.7 PG 64-22 110 S9.5C6.0PG 64 112-22 S95.7 PG 76-22 112.5D Intermediate I19.0C4. Recommended minimum and maximum layer thicknesses are, in general, based upon a ratio of lift thickness/NMAS of 3 to 5 for fine mixtures and 4 to 5 for coarse mixtures, and a Bituminous Concrete Layer 9. PAVEMENT THICKNESS TABLE Mr = 28 Mpa 80 Kn ESALs over Design Life Total HMA Thickness Select Granular Subgrade Thickness . . 20mm porous binder course. The surfacing shall be two courses and shall comprise of asphaltic concrete binder course and Asphaltic concrete wearing course and lay in accordance with BS 1621. 3. To lay and compact type1 scalpings. To lay a bituminous concrete surface course on a binder course, a bituminous leveling course of adequate thickness is provided it the existing pavement is extremely way. thickness of B cm (3.1 in).
GENERAL The mixture design system is based on the Superpave design system and Performance-Graded (PG) binder specification developed through research performed during the Strategic Highway Research Program (SHRP). provided that pavement thickness and clearances at structures are achieved. The surface course binder for 442 items is PG70-22M. Tonnage required for Binder Course = ( (56 x 2.55 x 21)/1000 = 2.9988 tons 6. 2. A compromise solution was proposed: Binder course thickness was reduced, and the asphalt concrete thickness was increased proportionately to maintain the same 8tructural capacity.
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