منزل •Asphalt Surface Treatment Ncdot

Asphalt Surface Treatment Ncdot

  • Pavement Manual: Surface Treatments

    A surface treatment will generally seal off the vertical escape of moisture migrating upward out of a pavement, which can set up accelerated stripping in the existing HMA layer beneath the seal. For more information on surface treatments and seal coats, refer to the Seal Coat and Surface Treatment Manual. Anchor: #i1009031.

  • SECTION 660 ASPHALT SURFACE TREATMENT 660-1 ... - NCDOT

    ASPHALT SURFACE TREATMENT: (02-13-15) (Rev 01-29-16) 660 SP06 R054 Revise the 2012 Standard Specifications as follows: Page 6-48, Section 660 ASPHALT SURFACE TREATMENT, replace section with the following: SECTION 660 ASPHALT SURFACE TREATMENT 660-1 DESCRIPTION Perform the work covered by this section including, but not limited to, furnishing ...

  • 401 DIVISION 400 ASPHALT PAVEMENTS SECTION 401 …

    All materials for asphalt surface treatment shall conform to the applicable requirements of Section 403. All materials for equivalent construction shall conform to the applicable requirements of Sections 407, 409, and 410. 402 234 The asphalt material shall be either a medium or rapid curing cut- back asphalt, an emulsified asphalt, or asphalt ...

  • NCDOT_AsphaltSurfaceTypes (MapServer)

    View Footprint In: ArcGIS Online map viewer. Service Description: NCDOT Map Service representing North Carolina's surface type of asphalt roads. Data provided is collected annually through NCDOT's manual secondary pavement condition survey and automated primary pavement condition survey. Features draw at all scales, though it is recommended to ...

  • PART 1 – GENERAL

    Div 02740 - Base Course and Paving Page 02740-5 2.2 ASPHALT SURFACE TREATMENT Asphalt Surface Treatment shall be in accordance with Section 660 Asphalt Surface Treatment of the NCDOT Standard Specifications for Roads and Structures, latest revision.

  • Bituminous Surface Treatments – Pavement Interactive

    Bituminous Surface Treatments. A bituminous surface treatment (BST), also known as a seal coat or chip seal, is a thin protective wearing surface that is applied to a pavement or base course. BSTs can provide all of the following: A waterproof layer to protect the …

  • 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

  • Paving to Preserve Your Ride - NCDOT

    First, liquid asphalt is mixed with about 30 percent water and an emulsifier. This mixture is then applied to the road using a special spray truck. As soon as the liquid asphalt meets the road surface, the water starts to evaporate. Immediately after spraying this asphalt, a …

  • Asphalt Surface Treatment - Pavement Technology, Inc.

    A good first step in pavement preservation is asphalt rejuvenation. This treatment is applied at the top of the curve. It can be done as part of the new construction or soon after construction. The basic function of a rejuvenator is to preserve durability and seal the surface. It prolongs the time before more expensive processes are needed.

  • SECTION 660 ASPHALT SURFACE TREATMENT - NCDOT

    37 repairing the asphalt surface treatment. 38 660-2 MATERIALS 39 Refer to Division 10. 40 Use one of the following grades of asphalt: Item Section Aggregates for Asphalt Surface Treatment 1012-2 Blotting Sand 1012-3 Emulsified Asphalt, Grade CRS-2 1020-3 Emulsified Asphalt, Grade CRS-2L 1020-3 NCDOT 2012 Standard Specifications

  • Page 1 Submission Date: July 31, 2009 2 3 4 ASSESSMENT OF ...

    Page 3 1 INTRODUCTION 2 3 It is common knowledge that cracks appear in asphalt concrete pavements for a number of 4 reasons. However, when a road is resurfaced with hot mix asphalt concrete, it is expected the 5 cracks in the underlying pavement surface will reflect through the new asphalt concrete surface. 6 When this occurs, surface water is allowed to migrate through the …

  • NCDOT-DIVISIONS: Letting of March 27, 2018

    asphalt surface treatment and pavement markings on 60 sections of seconday routes in randolph county: dh00274: 002 : 2018cpt.08.07.20192 : 10 : 0 : chatham lee : asphalt surface treatment on 45 sections of seconday routes in chatham and lee counties

  • NCDOT Training Session 1 final

    NCDOT 70 Years • Began in 1940's • Dust suppression and roadway stability • Backbone of NCDOT's Secondary Road System ... Asphalt Surface Treatment, Mat Coat, No. __ Stone Square Yard Emulsion for Asphalt Surface Treatment Gallon . 6/16/2015 5 Next Section: Weather 13 Weather

  • NORTH CAROLINA DEPARTMENT OF TRANSPORTATION …

    ASPHALT SURFACE TREATMENT (AST) INSPECTOR'S DAILY REPORT Contractor (Prime): Map Proj. No.: Type of Construction: Type Tire Pressure ROLLING EQUIPMENT AGGREGATE SPREADER SWEEPING EQUIPMENT AST Contractor: Map No.: Route No. Temp. High: Div. AGGREGATE Stockpile: EMULSION Yes / No Placement comments:

  • Roadway Design Glossary and Definitions - NCDOT

    List of All NCDOT Research Projects; Research Project Search; ... Asphalt Surface Treatment: Pavement Schedule: AT-1: Anchor Terminal: Roadway Plans: AZ: Azimuth: Angle System: B: Bridge Projects (B-1234) ... Sand Asphalt Surface Course: Pavement Schedule: SAU: Structure Anchor Unit: Roadway Plans: SBG:

  • SECTION 5.0 BITUMINOUS CONCRETE PAVEMENT

    Superpave of the NCDOT Specifications for Types B-25.0 and B-37.5. (b) Sand Asphalt Surface Course The composition of the mixture shall conform in all respects to the provisions and specifications as set forth in Section 635 of the NCDOT Specifications, for Type …

  • connect.ncdot.gov

    Activities of the Materials and Tests Unit include providing appropriate state and national materials specifications and standards, managing QC/QA programs, providing testing serv

  • Asphalt Seal-Coat Treatments

    Asphalt seal-coat treatments are mainly a preventive maintenance procedure applied to the asphalt pavement surface to prevent or delay costly corrective measures (figure 2). Asphalt seal coats are surface treatments designed to seal and protect the asphalt pavement from harmful environmental conditions such as sunlight, rain, and snow.

  • 550 - Surface Treatments

    Surface treatments should be used on structurally sound pavements to reduce the infiltration of water through the surface, retard oxidation, arrest top down cracking, and enhance friction, thus preserving the structure. Surface treatments include crack sealing, chip sealing, microsurfacing, fine graded polymer asphalt concrete overlays, and ...

  • TYPICAL SECTION NO. I - xfer.services.ncdot.gov

    prop. approx. 1.5" asphalt concrete surface course, type s9.5c, at an average rate of 168 lbs. per sq. yd. prop. approx. 5.5" asphalt concrete base course, type b25.0c, at an average rate of 627 lbs. per sq. yd. proposed asphalt surface treatment, mat coat with #67 stone aggregate shoulder borrow existing pavement. milling o" to 1.5" in depth

  • NORTH APPROACH SLAB - xfer.services.ncdot.gov

    asphalt concrete surface course, type s9.5c c1 not less than 1" or greater than 2" in depth. per sq. yd. per 1" depth. to be placed in layers course, type s9.5c at an average rate of 112 lbs. proposed variable depth asphalt concrete surface design engineer of record : date : jacob h. duke j. mcmillan l. cullum 03-2018 03-2018 03 ...

  • NCDOT Vendor Approved Products

    Approved Products List. Product ID (ex. NPYY-xxxx): Company Name: Product Name: Product Group: ABC Unit Weights ADA Detectable Warning Systems Admixtures (1000-3) (1000-4) Air-Entraining Agents Asphalt (1020) Caulks and Sealants (1028) Concrete and Concrete Patching Materials Concrete Waterproofing and Sealing Corrosion Inhibitors Curing ...

  • xfer.services.ncdot.gov

    surface course, s9.5c asphalt binder for plant mix asphalt surface treatment, matcoat, #67 granite emulsion for asphalt surface treatment patching existing pavemen t (mill) patching existing pavement i19.0c (mill) patching existing pavement (full depth) mi ft cy ton smi sy sy sy ton ton ton ton sy gal ton ton ton 2021cpt.03.12.10711pender 4 nc 210

  • C-5. Permeable Pavement - NC

    The soil subgrade surface shall have a slope of less than or equal to two percent. Whether is the pavement is designed for infiltration or detention, it is crucial that the subgrade be almost flat, i.e., less than or equal to a 2% slope.

  • NCDOT Roadway Lighting Installation - SEPI, Inc.

    The NCDOT Roadway Lighting Energy Services project includes three scopes of work: roadway lighting replacement, roadway lighting controls, and roadway lighting infrastructure improvements in 12 of the 14 NCDOT Transportation Divisions. ... Statewide Asphalt Surface Treatment Best Practices Manual/Training . View Project. NCDOT. Statewide Asset ...

  • ESCS Lightweight Aggregate as High Friction Surface ...

    NCDOT Division 6 had a chip seal paving operation working in the area and were using expanded shale, clay and slate (ESCS) lightweight aggregate on the secondary roads. The Asphalt Surface Treatment Supervisor suggested to the Division Engineer that ESCS aggregate would be a viable alternative to the much more expensive calcined bauxite ...

  • Using Polymer Modified Asphalt Emulsions in Surface ...

    Polymer modification of asphalt emulsions offers improvements in performance and durability, mitigation of pavement distress, and reduced life cycle costs when compared to unmodified asphalt emulsions or hot mix asphalt surface dressings. Polymers have exhibited demonstrable reductions in rutting, thermal cracking, and increased resistance

  • Statewide Asphalt Surface Treatment Best Practices …

    The NCDOT is responsible for maintaining a vast amount of highway and roads across North Carolina, totaling more than 80,000 miles. Pavement preservation techniques including Asphalt Surface Treatment (AST) or "Chip Seal" are a critical component …

  • Directory of Firms | Connect NCDOT

    milling asphalt pavements: 000610: asphalt concrete plant mix pavements: 000654: asphalt concrete plant mix, pavement repair: 000657: crack and joint seal (asphalt pavement) 000659: microsurfacing and slurry seal: 000660: ast - chip seal: 000665: milled rumble strips: 000670: mechanical application high friction surface treatment: 000671

  • Full version 03-5-07

    This dissertation presents the research efforts to evaluate the characteristics of asphalt surface treatment (AST) performance including aggregate retention, bleeding, and skid ... Table 2-4 Recommended EAR and AAR (NCDOT Standard Specifications for Roads and