thin bonded wearing course

Ultra-Thin Bonded Wearing Course - 2019 Pavements ...

Nov 20, 2015 · Summary Ultra-Thin Bonded Wearing Course is a thin (0.375- to 0.75-in. thick) gap graded modified Hot mix asphalt (HMA) layer placed on a polymer-modified emulsified asphalt membrane. A specialized paver is used to place emulsified asphalt membrane and then the polymer-modified HMA on the surface in a single pass.

NovaChip®/Ultra Thin Bonded Wearing Course

NovaChip®/Ultra Thin Bonded Wearing Course is an exclusive pavement process utilizing a self-priming paver that applies an ultra thin, gap-graded hot mix wearing course over a polymer-rich asphalt emulsion. This process rapidly secures the wearing course to …

Bonded Wearing Course Treatment Types

A bonded wearing course (BWC) is a gap graded, ultra thin hot-mix asphalt (HMA) mixture applied over a thick polymer modified asphalt emulsion membrane. The high binder content seals the underlying road thereby protecting it from water infiltration and slows down the aging process.

TRS 1804 June 2018 Ultra-Thin Bonded Wearing Course …

Thin Bonded Wearing Course (UTBWC) which it is often referred to at the present time. Literature Review In recent years, pavement preservation treatments have been sought as an effective tool to restore pavement

2007-18 Performance of Ultra-Thin Bounded Wearing …

Ultra-thin bonded wearing course (referred as Novachip®) is a surface treatment process developed in France in 1980s. UTBWC involves the placement of a thin 38 ” to ¾ ” gap graded course aggregate hot mix asphalt over a membrane called Novabond®. Novabond®is a polymer

Videos | Sunland Asphalt

Asphalt Repairs Crack Seal Sealcoating Ultra Thin Bonded Wearing Course Polychip Milling Paving & Overlays Concrete Infrared Repair Markets . Government/Agencies Commercial/Retail ... Videos. Sunland Overview. Crack Sealing. Sealcoating. PolyChip. Ultra Thin Bonded Wearing Course. Milling. Load More. Corporate. 1625 E Northern Ave ...

Update on Permeable Friction Courses (PFC) in Texas

TBPFC – Thin bonded PFC – regular PFC placed with a spray applied membrane – (NovaChip paver) TxDOT often bids PFC with an underseal as an alternate to TBPFC TxDOT also uses Ultra Thin Bonded Wearing Course (UTBWC) which is better known as NovaChip

Evaluation of Pavement Safety Performance

Ultra-Thin Bonded Wearing Course UTBWC is a specialty ultra-thin asphalt overlay used to restore ride quality while sealing and protecting the underlying pavement. It can also be used to mitigate shallow (less than 0.5-inch) rutting and can help retard fatigue cracking.

Table of Contents - PennDOT

pennsylvania DATE: DEPARTMENT OF TRANSPORTATION October 6, 2016 SUBJECT: ... Table 10.2 Suitability of Wearing Course for Specific Applications Based on Highway ADT Table 10.2 ... 5.5 Ultra-Thin Bonded Wearing Course NEW . MAY 2015 EDITION TABLE OF CONTENTS

News & Resources | West Contracting

Ultra Thin Bonded Wearing Course; Bonded Dense Graded Asphalt; Asphalt Patching; Asphalt Paving; News & Resources; Asphalt Paving; NovaChip®/Bondtekk® ...

Road Science - Equipment World magazine

Sep 07, 2011 · A thin crumb, rubber-modified, open-graded wearing course is placed on California Highway 1 near Fort Bragg; the mix incorporated a warm-mix additive to …

Existing Surface Preparation for Overlays - Pavement ...

The top of this lift, which is relatively smooth, is used as the base for the wearing course. Milling (HMA pavements). A top layer is milled off the existing pavement to provide a relatively smooth surface on which to pave. ... Thin Bonded Concrete Overlays of Asphalt Pavement. Web page on the American Concrete Pavement Association’s website.

Las Vegas contractor enters into Ultra Thin Asphalt ...

Dec 09, 2010 · Bonded wearing courses As such UTACS are similar to Caltrans' bonded wearing course, "a gap- or open-graded, ultra-thin hot-mix asphalt mixture applied over a thick …

Pavement Manual: Hot-Mix Asphalt Pavement Mixtures

Thin HMA mats placed on an unbound base or on surfaces prone to reflective cracking (e.g., jointed rigid pavements, bound bases subject to shrinkage cracking, etc.) should use a mix that strikes a better balance between rut and crack resistance.

Office Locations and Contact Information for Sunland Asphalt

Contact Sunland Asphalt for all of your asphalt needs. We have offices in Phoenix, Tempe, Tucson, Arizona; Las Vegas, Nevada, Albuquerque, New Mexico and Littleton, Colorado.

Sunland Asphalt - Ultra Thin Bonded Wearing Course on …

NovaChip Ultra-Thin Bonded Wearing Course is designed for use as a high performance surface treatment over structurally sound asphalt or pavements.

Traditional Friction Treatments - Safety | Federal Highway ...

Thin Hot Mix Asphalt (HMA) overlay, Open graded friction course, Ultra-thin bonded wearing course, Chip seal (seal coat), Slurry seal, Microsurfacing, Diamond grinding, Grooving, Micro-milling, Shortblasting/abrading, Cape seal, Scrub seal, and ; High friction surfacing.

Appendices to NCHRP Report 810: Consideration of ...

Corley-Lay, J. and J.N. Mastin. 2007. “Ultrathin Bonded Wearing Course as a Pavement Preservation Treatment for Jointed Concrete Pavements.” Compendium of Papers CD. 86th Annual Meeting of the Transportation Research Board, Washington, DC.

CHAPTER 11 BONDED WEARING COURSE

A bonded wearing course (BWC) is a gap or open graded, ultra thin hot-mix asphalt (HMA) mixture applied over a thick polymer modified asphalt emulsion membrane. The emulsion membrane seals the existing surface and produces high binder content at the interface of the existing roadway surface and

Aggregate and Petrographic Laboratory Overview | FHWA

Examination of ultra-thin bonded wearing course (UTBWC) related to surface skid resistance problems on asphalt surfaced pavement. Provided a chapter on petrography for an American Concrete Institute (ACI) document on “Advanced analysis techniques for hardened cement pastes and s”. Examination of bridge pier deterioration.

2004 Statewide Special Specifications - dot.state.tx.us

3142 - Ultra-Thin Bonded Hot Mix Wearing Course (UTBHMWC) SPECIFICATION REQUIREMENTS 1) When PG binder is specified, p rovide an asphalt binder with a high temperature grade of PG76 and a low temperature grade as shown on the plans, in accordance …

Hampden Area Projects

ULTRA‐THIN BONDED WEARING COURSE Beginning 0.76 of a mile east of the Plymouth town line and extending east 8.06 miles. 2/16/22 24173.00BANGOR ‐ NEWBURGH I‐95 SB Bangor, Carmel, Hampden, Hermon, Newburgh ULTRA‐THIN BONDED WEARING COURSE Beginning 3.64 miles west of the Carmel town line and

Thin Asphalt Overlays and Ultra-Thin Bonded Wearing ...

Thin Asphalt Overlays and Ultra-Thin Bonded Wearing ...

ATP 8 Area Transportation Improvement Program (ATIP) …

29 MN 68 Ultra thin bonded wearing course (UTW) from Minneota to Marshall 30 US 71 Medium mill and overlay from Viking Drive to US 212 in Olivia plus ADA 31 US 212 Ultra thin bonded wearing course (UTW) from just E of Renville SAH 16 to McLeod SAH 7 32 US 212 onstruct a reduced conflict intersection at US 212 and McLeod SAH 1 to the E of Glencoe

OKLAHOMA TURNPIKE AUTHORITY STANDARD …

OKLAHOMA TURNPIKE AUTHORITY STANDARD SPECIFICATIONS -2010 PAY ITEM LIST revised 11/27/2012 Pay Item List includes all of the pay items listed in the 2010 OTA Specifications and Special Provisions. Pay items such as PCB's, pipes, asphalt binder grade, etc shall be expanded to include the type, size, (PG xx-xx OK) etc. as necessary. ITEM NO.

Phases of ELCSI-PFS | FHWA

Thin hot-mix asphalt overlay. Chip seal, microsurfacing. Ultra-thin bonded wearing course. Open-graded friction course. Slurry seal. Concrete Pavement. Diamond grinding. Ultra-thin bonded wearing course. Microsurfacing and grooving. High-Friction Surface Treatment (HFST). Phase VII is a retrospective study. This study started in November 2012 ...

Forensic investigation of the cause(s) of slippery ultra ...

This paper documents the second part of a forensic investigation performed to determine the causes of loss of skid resistance and bleeding in two pavement sections rehabilitated with an ultra-thin bonded wearing course. The first part of the study explored the influence of the aggregate fraction on ...

Author: J. F. Muñoz, C. Balachandran, Y. Yao, A. Shastry, L. Perry, M. A. Beyene, T. Arnold

Maine Department of Transportation 3/8/2017 …

( ) indicates item is bid as Lump Sum Contract Grand Totals $2,057,848.00 $2,395,617.00 Page 4 of 4 BREWER- CLIFTON, ROUTE 9 ULTRA THIN BONDED WEARING COURSE Call Order: Letting Date: EASTERN REGION

Bonded Wearing Course

A bonded wearing course (BWC) is a gap or open graded, ultra-thin hot-mix asphalt (HMA) mixture applied over a thick polymer modified asphalt emulsion membrane. BWC can …

Ultra-Thin Bonded Wearing Course (UTBWC) Snow, Ice, and ...

The Minnesota Department of Transportation has released a synthesis report that investigates the effects of snow, ice, and wind on ultra-thin bonded wearing course (UTBWC) pavements. UTBWC was developed as a preventative maintenance option to extend pavement life by placing a thin open/gap-graded hot mix asphalt lift over a polymer-modified asphalt emulsion.

Forensic investigation of the cause(s) of slippery ultra ...

This paper documents the second part of a forensic investigation performed to determine the causes of loss of skid resistance and bleeding in two pavement sections rehabilitated with an ultra-thin bonded wearing course. The first part of the study explored the influence of the aggregate fraction on ...

The Use of Polymer Modified Asphalt Binder for High ...

on ConnDOT’s Ultra-thin Bonded Wearing Surface, this level of texture depth (MPD~0.78 mm) for a polymer modified high friction wearing course may provide a better balance between high-speed performance, durability, and winter maintenance requirements than a mix with greater texture depth.

AGGREGATES FOR ASPHALT PAVEMENTS (7-17-06)

or ultra-thin bonded wearing course. Page 10-41, Table 1012-1, add the following as the last row of the Table: UBWC 100/85 40 45 10 Page 10-42, Subarticle 1012-1(B)(6), add as the last sentence: The percentage loss for aggregate used in UBWC shall be no more than 35%. Title: AGGREGATES FOR ASPHALT PAVEMENTS (7-17-06)

Brasier Asphalt | Road Construction Company in …

Ultra Thin Bonded Wearing Course (UTBWC) UTBWC • Preventetive maintenance Surface for new pavements Over PCC or Asphalt pavements • Single Pass System Polymer modified emulsion membrane Thin gap-graded hot mix Placed with special equipment Equipment • Ultra-thin mat • ~20,000 sy/day • minimum number of stops • special combination ...

(PDF) Fracture Characterization of Gap-Graded Asphalt ...

Although preliminary, this work Course Fracture Properties with Traditional Hot-Mix suggests that thin bonded wearing courses may provide a more Asphalt Material sustainable approach to pavement preservation as compared to treatment with conventional thin overlay systems.

Section 10: Alternate Pavement Rehabilitation Options

The thin bonded friction course is used as a pavement preservation treatment to restore skid resistance, improve ride quality, and arrest surface oxidation. The thin bonded friction course is an open-graded mix (PFC or denser wearing course) placed on polymer modified rapid-setting emulsion membrane.

The importance of preserving pavements | Asphalt magazine

Thin lift overlays typically are placed 1.0 to 1.50 inches thick. Ultra-thin overlays utilize a slightly finer gradation and are usually placed at 0.6 to 1.0 inch (0.75 inches is typical). Bonded wearing course is a thin or ultra-thin, gap-graded HMA (or WMA) mix placed over a heavy application of polymer-modified emulsion tack, all applied in ...

Midland Asphalt Materials Inc.

NovaChip®/Ultra Thin Bonded Wearing Course is a preventative maintenance tool used to help extend the life of a road. This... details preview

Design and Construction of Ultra Thin Overlays as an ...

the thin-bonded overlay maintained a high level of friction with slight wear within the first year of service. All bond failures occurred within the asphalt-wearing surface. A slight decrease in chloride content was experienced after the thin-bonded overlay was installed.

References | Thin Asphalt Concrete Overlays | The National ...

TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 464: Thin Asphalt Concrete Overlays documents the current state of the practice as well as research efforts on the use of thin asphalt overlays for pavement maintenance, rehabilitation, and preservation.

2012 Standard Specifications and Provisions

2012 Standard Specifications and Provisions Standard Specifications, Special Provisions, Pay Items, and Other Resources Connect NCDOT > Resources > Specifications > 2012 Standard Specifications …

Guidelines for the Preservation of High-Traffic-Volume ...

Guidelines for the Preservation of High ... Guidelines for the Preservation of High-Traffic-Volume ... Extensive Extensive Slurry seal Limited Limited Microsurfacing Moderate Moderate Chip seals Moderate Moderate Ultra-thin bonded Moderate Moderate wearing course Thin HMA overlay Extensive Extensive Cold milling and Extensive Extensive overlay ...

SPECIFICATIONS - dot.state.pa.us

Pub 408/2003 is a single set of Construction Specifications that contains all measurements in dual values, Metric ... BITUMINOUS WEARING COURSE ID-2 (STANDARD), BITUMINOUS WEARING COURSE ID-2 (HEAVY DUTY), BITUMINOUS ... 524 THIN BONDED PORTLAND CEMENT CONCRETE OVERLAY 524 - 1 524 - 4 525 CONCRETE PAVEMENT SPALL REPAIR 525 - 1 525 - 4 ...

Thin lift overlays | Asphalt magazine

Since thin lift asphalt overlay mixes are used for the wearing course of a project, they should all include some percentage of polish-resistant aggregate, typically granites, sandstones, quartzites, rhyolites, etc. Binders can be the same as would be chosen for other mixes in the same climate and expected traffic.

Southeast Transportation Consortium

Among surface treatments, thin overlays, microsurfacing, and chip seal are the most widely used. Fog seal, ultra-thin bonded wearing course, rejuvenating, and cape seal are used less.

(PDF) Forensic investigation of the cause(s) of slippery ...

The cause(s) of slippery ultra-thin bonded wearing course (UTBWC) of an asphalt pavement was investigated. Petrographic analysis showed that the aggregate used in the UTBWC is mainly limestone ...

Prerequisite Courses for Pavement Design Engineer

131110I Thin Functional HMA Overlay 131110J Ultra-Thin HMA Bonded Wearing Course 131110K Selecting the Right Treatment 131115 Pavement Preservation: Preventive Maintenance Treatment, Timing, and Selection 131121 TCCC Construction of Portland Cement Concrete Pavements 131126 TCCC Concrete Pavement Preservation Series – 10 modules ...

Ultrathin Bonded Wearing Course as Pavement Preservation ...

Use of an ultrathin bonded wearing course (UTBWC) is reported on as a pavement preservation strategy for jointed plain pavements. This strategy has been used in North Carolina on both ...

Newsletter of the California Pavement Preservation Center

• Thin-Bonded Wearing Course Most of these treatments involve the use of asphalt emulsions, which are a water-based forms of asphalt, requiring a cure or “break” period for the water to evaporate, leaving the asphalt particles to perform their sealing and bonding action. Because they rely on evaporation of water, they are warm weather,

Contract Detail - Illinois

Per the ultra-thin bonded wearing course special provision: (04/19/2019) Since the Ultra-Thin Hot-Mix Asphalt Surface course is being paid by the SY and not by Ton, will all the tons placed for the Material Transfer Device be paid for ? With the existing roads having irregularities (ie rutting) and without any milling or leveling be performed ...

Evaluating the Role of Aggregate Gradation on Cracking ...

bonded wearing courses [6]. Since thin asphalt overlay mixtures are used for the wearing course, their mix design is very similar to the employed practices for standard wearing mixtures. One of the main differences is their nominal maximum aggregate size (NMAS) due to the reduced layer thickness, ranging from ...

TRB Volunteer Profile: Judith B. Corley-Lay | Blurbs New ...

Judith B. Corley-Lay, retired from the North Carolina Department of Transportation, is a featured volunteer in the TR News . Her areas of expertise include aggregate base course pavements, unbonded overlays, ultra-thin bonded wearing courses, and nondestructive testing of pavements with a falling weight deflectometer. At NCDOT, Ms. Corley-Lay guided the implementation of a pavement ...

State Road 38 Paving Project Planned to Begin in May ...

Ultra-thin bonded wearing courses and pavement preservation. Ultra-thin bonded wearing courses consist of applying a coat of polymer-modified liquid asphalt, which provides flexibility, immediately followed by paving a thin layer of hot mix asphalt, which provides strength.

LRRB Local Operational Research Assistance Program …

thin wearing course with bonded paving approaches that utilized engineered asphalt emulsions as tack coat and spray paver equipment for paving operations can significantly enhance the performance of the pavement. This project utilized coarse taconite tailings (No. 4) with minimal amount of dust. ...

A Functionally Optimized Wearing Course

17 Assessment After One Year • Experimental Wearing Course (New-Generation PFC): – Has excellent skid-resistance – Provides good ride quality with very thin layer – Acoustically superior (as measured at tire-pavement interface) compared to original surface and conventional alternatives – Cost-effective in applications where structural improvements to the

NHI Catalog

These NHI category icons can assist users in identifying the course category or multiple course categories. The category icons are listed below for your reference. structures Pavement and Materials geotechnicaltraffic operations Design and construction and Maintenance Hydraulics