• Longitudinal Cracking in widened PCC Pavements

    Change to 12'' slabs with tied PCC shoulders (pavement thickness stays the same) Change to 12'' slabs with alternate HMA/PCC shoulders (requires thicker pavement to carry loads). Both alternatives will also likely require us to change our transverse joint spacing since the length to width ratio of the slab will change. – Negatives

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  • Carbon Footprint of HMA and PCC Pavements 1 …

    Two pavement cross-sections chosen for analysis are shown on the following tables. As with the previous example, the HMA pavement is based on common practice in Ontario (Table 3A). The PCC pavement is taken from the Portland Cement Association''s StreetPave program (Table 3B). Both pavements have a 15 m wide paved surface with curb and gutter.

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  • chapter 7 paved surfaces

    Pavement management and preservation policies and procedures can be found in Publication 242, Pavement Policy Manual. Pavement treatment cycles can be found in Publication 242, Pavement Policy Manual, Chapter 11. 7.2 tYpes Of paved surfaces rIGId paveMeNts Rigid pavements are those constructed of Portland Cement Concrete (PCC).

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  • Evaluation of Pavement Crack Treatments Literature Review ...

    PCC pavements did not have a significant effect on pavement distress, ride quality, material integrity, or pavement life. WDOT implemented the "no-seal" policy in 1990 on new PCC pavements and claims to have saved $6,000,000 annually with no loss in pavement performance and with increased customer safety and convenience.

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  • AC 150/5370-16, RAPID CONSTRUCTION OF RIGID …

    (PORTLAND CEMENT CONCRETE) AIRFIELD PAVEMENTS Date: 9/28/2007 Initiated by: AAS-100 AC No: 150/5370-16 1. PURPOSE. This Advisory Circular (AC) provides guidance for the planning, coordination, management, design, testing, inspection, and execution of rapid construction of rigid (Portland Cement Concrete) airfield pavements.

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  • CHAPTER 620 RIGID PAVEMENT

     · intended to ensure that concrete pavements are engineered to meet or exceed the performance factors in Table 622.2 (i.e., the pavement structure will last longer before reaching these thresholds). 622.3 Types of Concrete (1) Portland Cement Concrete (PCC). Portland cement concrete is the most common concrete used.

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  • ROAD STANDARDS

    When PCC Pavement is used, the PCC Pavement shall extend between intersections. Transition to AC shall be made at the prolongation of the outer edge of the gutter line of the intersecting road. To enhance appearance, black pigmented curing compound may be used on PCC Pavement…

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  • Mechanistic Analysis of Composite Pavement (HMA over …

    A newer pavement system technology in the transportation construction industry, called "Composite Pavement", is a combination of either a Portland Cement Concrete (PCC) base and a Hot-Mix Asphalt (HMA) overlay or a PCC base and PCC overlay. This research will take a more in depth look at the specific combination of PCC and HMA.

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  • MnDOT Pavement Design Manual

    Shoulders are pavement (HMA/PCC) or aggregate that extends past the marked traffic lanes and is not intended for use as a travel lane. In specially designated areas shoulders may be used by buses to bypass traffic. Shoulder material is dictated by the mainline pavement material, the amount and type of vehicle use on the

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  • Pavement Rehabilitation

    DOWELED PCC PAVEMENT 2 3 4 1 4 2 A A A A PV-101 PR-103 See for joint and bar placement details. joint. across shoulder. Cost of placing ''CF'' joint is incidental to ''EF'' roadway. If roadway has PCC shoulders, extend ''CF'' joint Place Full Depth Patch and ''EF'' Joint full width of the noted on this sheet. specifications and Standard Road Plan ...

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  • New York State Department of EI

    pavement abuts PCC pavement to remain intact. 4. Include pay items and a detail for excavating the pavement and repairing the subbase/subgrade. These should be included even if the Regional Geotechnical Engineer indicates good subbase and subgrade conditions generally exist.

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  • Concrete Paving Selections

    – BCO can be a cost-effective rehabilitation strategy to extend pavement life if: • Portland cement concrete (PCC) pavement is structurally sound (slab support is in good condition) except for the deficient thickness . 22 . Footer Text . Bonded Concrete Overlay (BCO) on CRCP

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  • DelDOT 2020 Standard Details and Specifications

    curb and edge of pcc pavement." ... note 9: "extend pipe to be flush with the inside wall of the inlet box in accordance with section 602.3.b of the standard specifications." ...

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  • Life Cycle Assessment of PCC ...

    Life Cycle Assessment of Pavements. This thesis compares the environmental impact of three different options for replacing an existing PCC pavement highway that is in poor condition. The first analysis option will be to remove and replace the exiting pavement with a new PCC pavement…

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  • Chapter 3 Pavement Patching and Repair

    Integrated Pavement Preservation consists of Preventive Preservation, to include Strategic and Emerging Preservation, and Reactive Preservation. 3-5.1 Preventive Preservation Preventive Preservation is planned and coordinated maintenance that is typically performed early in a pavement life and is intended to extend pavement service life 1 to 6 ...

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  • Mechanistic Modeling of Unbonded Concrete Overlay …

    restore or increase load-carrying capacity, and extend life of existing pavements. A schematic of the UBCO system, as shown in Figure 1.1, consists of the existing damaged Portland cement concrete (PCC) pavement, a thin asphalt concrete (AC) interlayer, and a new PCC overlay.

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  • The District Department of Transportation

    pcc curb and cutter with flexible pavement notes: in cutter tie rod assembly and cutter, radii 100'' or pavement section) bar pavement o 1/2" preformed exp. joint filler 3/4" dia. dowel bars, 141/2 2. 3. 4, tie rod assembly to be installed at 5 in. of the initial pour. bars shall not extend through the expansion joint. * low side i in. per ft ...

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  • MnDOT Pavement Design Manual

    PCC: Concrete Placed by the Paver - JOSEPH VÖGELE AG

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  • Specific Pavement Studies | FHWA

    SPS-6: Rehabilitation of Jointed PCC Pavements. SPS-6 examines the effects of climatic region, type of pavement (plain and reinforced), condition of existing pavement (fair and poor), and traffic rate (as a covariate) on pavement sections incorporating different methods of …

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  • CALTRANS EXTENDS PCC PAVEMENT LIFE THROUGH USE OF …

    CALTRANS EXTENDS PCC PAVEMENT LIFE THROUGH USE OF DIAMOND GRINDING. In 1996, the California Department of Transportation (Caltrans) initiated a 5-year Capital Maintenance Program aimed at restoring California''s pavements. Of 31 projects initiated, 10 were diamond grinding only projects.

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  • CHAPTER A FLEXIBLE PAVEMENT

    A flexible pavement is a roadbed surfaced with asphalt concrete (AC) or a Portland cement concrete (PCC) pavement with two (2) inches or more of AC surfacing overlay. Oiled earth, gravel and earth surfaces are also considered flexible pavement. The roadbed is that portion of the roadway, including ramps and public road approaches, that

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  • P Pavement Surface Evaluation and RatingASER Manual ...

    Portland Cement Concrete (PCC) pavements. It discusses common problems and typical repairs and includes a visual system for evaluating and rating PCC pavements. General aviation airfield pavements are often managed informally, based on the staff''s judgment …

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  • Composite Pavement Systems, Volume 2: PCC/PCC Composite ...

    97 Place the Lower PCC Layer The lower PCC layer can be paved following the same pro- cedures and guidelines for PCC/PCC composite pavements as for conventional JPCP or CRCP (Figure 5.2). Because the lower layer serves an entirely structural function in the pave- ment system, concerns about ride quality or surface texture durability are not ...

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  • Pavement Evaluation and Development of Maintenance and ...

    The extension consists of 14-in. portland cement concrete (PCC) placed directly on the silty clay subgrade with random joint spac­ ing varying between 12 and 17 ft. Although the pavement is only 17 years old, it is experiencing rapid decrease in serviceability. The field evaluation consisted of a visual condition survey, non­

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  • Performance of HBP Vs. PCC Pavement Work Plan …

    The HBP and PCC pavement sections were constructed as part of project NH-8-013(030)380. This project was the reconstruction of the westbound ... The project extends 8.9 miles from I-29 to the west city limits of Wahpeton, ND. It is in a rural area with some industrial facilities on the east end of …

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  • Best Practices of Concrete Pavement Transition Design and ...

    Figure 2-32 Unbonded Overlay to Existing or Reconstructed PCC Pavement Transition..... 30 Figure 3-1 Restraint Cracks in the Turning Radius Transition Area..... 31 Figure 3-2 Restraint Cracking from Drainage Inlet Box..... 32 Figure 3-3 Uncontrolled Longitudinal Crack Suggests Location of an Untied, ...

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  • Caltrans Extends PCC Pavement Life Through Use of Diamond ...

     · Tom Pyle, a pavement management engineer for Caltrans. The diamond grinding let as part of the CAP-M program is a maintenance technique that extends the useful life of the pavement. This is accomplished through milling off a portion of the surface layer of PCC pavement, which provides a smoother riding surface and corrects slab curl. Although ...

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  • PCC Patching – Pavement Interactive

    PCC Patching. Rigid pavement patches are used to treat localized slab problems such as spalling, scaling (e.g., reactive aggregate distress, over-finishing the surface), joint deterioration, corner breaks or punchouts. If the problem is limited in depth, then a partial depth patch may be appropriate, otherwise a full depth patch is recommended.

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  • Portland Cement Concrete Pavement

     · Portland cement concrete (PCC) pavement, or rigid pavement as it is sometimes called, refers to the rigid concrete layer of the pavement structure that is in direct contact with the traffic. Typical concrete is composed of coarse aggregate (crushed stone and gravel), fine aggregate such as sand, portland cement and water.

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  • Concrete Pavement Patching: Know Your Rights

    cast in-place repairs that extend the full depth of the PCC slab • Partial-depth patches (VDOT Type III): removal and replacement of small, shallow areas of deteriorated PCC at spalled or distressed joints up to one-third the slab thickness

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  • Pavement Underdrain to Achieve Longer Life Pavement …

    AC/PCC pavement Aggregate base Subbase/Subgrade Shoulder S d B kfill Geocomposite drain Sand Backfill 25 mm (1 in) 100 mm100 mm (4 in) 2-38. Non-erodible Base with Porous Concrete Shoulder AC Shoulder Porous concrete PCC pavement Porous concrete Nonerodible base Separator layer Geotextile Slotted pipe 2-39.

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  • PCC Pavement – Pavement Interactive

    CALTRANS EXTENDS PCC PAVEMENT LIFE THROUGH USE OF DIAMOND GRINDING. In 1996, the California Department of Transportation (Caltrans) initiated a 5-year Capital Maintenance Program aimed at restoring California''s pavements. Of 31 projects initiated, 10 were diamond grinding only projects.

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  • Rigid pavement distress

     · Rigid Pavement Rigid pavements have sufficient flexural strength to transmit the wheel load stresses to a wider area below. In rigid pavement, load is distributed by the slab action, Rigid pavements are constructed by Portland cement concrete (PCC) and should be analyzed by plate theory instead of layer theory.

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  • Best Practices for Jointing of Concrete Pavements

    PCC Jointing Applications • Roundabouts, Airports, Parking Lots, ... • "CD" joint for pavements typically 8" or greater and more than 100 trucks per day per lane Conventional saw. ... Space joints evenly & perpendicular to pavement edge and extend thru back of curb.

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  • Maintenance of Concrete Pavement

    PCC Slab Subbase Subgrade Concrete Pavement . Jointed Plane Concrete Pavement 12 to 20 ft Transverse Joints (with dowels) Longitudinal Joint (with tie bars) ... Preserves pavement condition Extends pavement life . Sealing Limitations Limited to low severity cracks Not recommended for cracks extending across full lane

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  • ITEM 502.4MR00011

    ITEM 502.4MR00011 - PORTLAND CEMENT CONCRETE PAVEMENT PARTIAL-DEPTH REPAIRS ITEM 502.46010011 - PORTLAND CEMENT CONCRETE PAVEMENT PARTIAL-DEPTH REPAIRS USING EPOXY RESIN SYSTEMS Page 1 of 8 04/22/11 DESCRIPTION Remove 2 – 4 inches of portland cement concrete (PCC) pavement, prepare the removal area,

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  • 3 RIGID PAVEMENT BEST PRACTICES | Guide to Using Existing ...

    For unbonded PCC overlays of flexible pavement, the existing pavement is simply widened with HMA to provide the base for the PCC overlay. The pavement section should extend the subgrade line and slope out to either the contact with the in-slope of the ditch or fill slope, or to a collection point for longitudinal drains as shown in Figures 3.42 ...

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