The process for deciding which pavement type to use on a project is described in chapter 7. Under nchrp project, support under portland cement concrete pavement. Pccp is composed of portland cement concrete and, when. Therefore, assessment of actual field performance is important. Pdf concrete pavement design, construction, and performance. Use it as a partial replacement for portland cement in concrete, but follow these limits. Performance of a portland cement concrete pavement wsdot.
Design and construction of concrete parking lots or aci 325. Changes will be at no additional cost to the contracting authority. Ensure that the surface immediately under the concrete pavement allows proper pavement thickness and yield. Portland cement concrete pavement the pavement is the portion of the road that vehicles come in direct contact with. Design using the aashtoware pavement me design procedure publication no. A rough potholed pavement is hard on vehicles and uncomfortable to. Detailed procedures are given for the design of concrete pavement for runways, taxiways, and aprons, including.
Support under portland cement concrete pavements michael 1. Section 439 portland cement concrete pavement special. If the contraction joints have been correctly designed and constructed, the cracks will occur below the joints. The pavement is the portion of the road that vehicles come in direct contact with. A key element in our current program is the promotion of advanced structural design and rehabilitation applications for portland cement concrete. 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. Do not replace the cement quantity more than 15 percent by weight. Pdf on may 2, 2018, taher ammar and others published method statement portland cement concrete pavement find, read. A minimum portland cement content of 564 pounds per cubic yard 335. Application description portland cement concrete user. Table of contents introduction 7 chapter 1 subgrades and subbases. Cross section of a pcc pavement made with blast furnace slag.
Recognize the critical factors which affect portland cement concrete. Airport concrete pavement project funded under the federal airport improvement program aip are typically developed in accordance with the requirements contained in item p501 and sometimes in conjunction with. The following questions are based on information found in. Development of revised pavement condition indices for portland cement concrete pavement for the wsdot pavement management system. City of lincoln 2020 standard specifications chapter 4. O portland cement association 1973, reprinted 1995.
Performing organization name and address structures laboratory usae research and development center erdc 3909 halls ferry road vicksburg, ms 391806199 11. Although it comprises between only 7 to 15 percent of the absolute volume of concrete mixture, it is the hardened paste that is formed by hydration of the cement upon the addition of water that binds the aggregate particles together to form a stonelike mass. Office of asset management, pavement, and construction. Concrete the details for batching, hauling, and mixing materials for portland cement concrete used in concrete pavements will be discussed in section 1006 of this manual and the applicable portions of section 40. Fly ash fly ash may be used as a concrete additive to promote workability and plasticity. A rough riding potholed pavement is hard on vehicles and uncomfortable to the motorist. By definition, plain pavements are constructed without any reinforcing. Ensure that the subbase can support paving equipment without rutting or bogging. This chapter contains directions for designing portland cement concrete pcc mainline pavements and evaluating existing pavement with regard to rehabilitation with a pcc overlay. High quality concrete pavement requires characteristics of durability and structural soundness in order to withstand the destructive forces of traffic, changes in. Recycled portland cement concrete pavement in iowa, hr506. Portland cement concrete pavement construction transportation. The use of portland cement concrete as a surfacing material offers designers another option which may provide good performance and be costeffective under certain conditions.
Thickness design procedure for portland cement concrete. Typical concrete is composed of coarse aggregate crushed stone and gravel, fine aggregate such as sand, portland cement and water. This report describes the construction of a portland cement concrete pavement built with three finishing methods. Washington state transportation center trac university of washington, box 354802. Portland cement concrete pavement best practices summary report. Chapter 4 portland cement concrete pcc pavement 2017. In the case of curbs, lc3500 is also an acceptable alternative. Traffic criteria for new pcc pavements, in the appendix. This initiative includes technology demonstrations as well as development and. Section 7010 portland cement concrete pavement 3 revised. As the concrete continues to contract, the joints will openproviding room for the concrete to expand in hot weather and in moist conditions.
Pdf method statement portland cement concrete pavement. Table of contents chapter one portland cement concrete pavement. Design of concrete airport pavement portland cement mi 1 i association old orchard road, skokie, illinois 60077. Constructing inpavement lighting, portland cement concrete. Measurement will be in square yards of concrete median. Distributed steel reinforcement consists of smooth or deformed bars, with the longitudinal smooth dowels extended across the transverse contraction joints. Spacing theoretical yield plant code area yd2 yd2 district laboratory engineer project engineer departments certified inspector 5 6 inmi 3 automated profiler iri 2 3 4 contin. Portland cement and supplementary cementitious materials. Serviceability concrete 36 sect asphalt 4 sect loop 4 1.
The concrete technology team works on final development and deployment of new equipment, materials, tools, and techniques. The volume to be paid for will be calculated on the basis of the lines, grades and thicknesses shown on the plans. Portland cement concrete pavement over rubblized pcc. This report contains the product 01700p7, guidelines for acceptance and opening to. Section 439portland cement concrete pavement special page 3 a. Portland cement association publication, thickness design for concrete h. Portland cement concrete pcc pavement, or rigid pavement as it is sometimes called, refers to the rigid concrete layer of the pavement. Portland cement concrete pcc pavement shall be class l 3500 concrete, as defined in chapter 3, of the thickness, and with or without reinforcement, as shown on the plans unless otherwise specified. University of washington, box 352700 seattle, washington 98195. If the concrete materials are not producing a workable concrete mixture, a change in the material may be required. This design method determines the thickness for both plain and reinforced concrete pavements. Furnish type i or ii portland cement listed on the qpl, in accordance with. As the concrete pavement hardens, it contracts and cracks.
Rigid and flexible pavements 1972 aashto interim guide for the design of pavement structures 1972 1981 revised chapter iii on portland cement concrete pavement design 1986 guide for the design of pavement structures 1993 revised overlay design procedures 1998 revised portland cement concrete pavement design. Performance of a portland cement concrete pavement with. Depending on conditions, engineers may design the pavement slab. Improvement of portland cement concrete pavement performance. However, existing, wornout pcc pavements present a particular problem for rehabilitation due to the likelihood of reflection cracking when an hma overlay is placed. Theoretical studies of pavement stresses and deflections by h. Concrete construction, concrete finishing, friction course, pavement grooving, pavement performance, portland cement concrete, studded tires, surface course \pavements\, wear keywords longitudinal tining, transverse tining, carpet drag, pavement finishes, portland cement concrete pavement, pccp, washington state.
Portland cement concrete pavement report submitter id 0901m00 ps0000 purp code 3 split slab remarks 1 1transverse 2skewed n no joints. This item shall consist of constructing a pavement composed of portland cement concrete. Portland cement concrete pavement industrial resources council. One of the most important requirements for obtaining a smooth and durable concrete pavement is maintaining. The thickness design methods presented here are based on knowledge of pavement theory, performance. Design of concrete pavement for city streets design and construction standards forcitystreets should provide for pavements with both long service life and low. Portland cement concrete pavement pccp sheets 1 22. Report iprf01g002031 constructing inpavement lighting, portland cement concrete pavement principal investigator ornulv arnie sonsteby, p. The current concrete pavement design procedures utilized by wisdot allow for the incorporation of a rubblized pcc base. Assessment of the i5 portland cement concrete pavement in king county. This makes it economically impractical to build up subgrade strength with thick layers of crushed stone or gravel. Provide aggregate where high quality aggregate is no longer economically available. Depending on conditions, engineers may design the pavement slab with plain, lightly reinforced, continuously reinforced, prestressed, or fibrous concrete. Construction of portland cement concret fhwa us department.
If the subgrade is low or irregular and requires additional. Gain a working knowledge of portland cement concrete pavement construction. Research has indicated that a general conic equation can be used to satisfactorily estimate the work, as calculated by the chevron nlayered program, at the bottom of the portland cement concrete slab under an 18kip single axleload. The iowa department of transportation iowa dot is interested in recycling portland cement concrete pcc pavement to. Portland cement pervious concrete pcpc has an excellent performance history in the southeastern u. Grind the surface so corrugations are parallel to the pavement edge with ridges 116 inch, 2 inch higher than the valleys of the corrugations. While its use is not required, his checklist has been prepared to provide the field inspector a t summary of easytoread stepbystep requirements relative to the proper construction of pcc pavement section 420.
Hall, and chenming kuo department of civil engineering university of illinois at urbanachampaign pavement design, management, and performance research sponsored by the american association of state highway and transportation officials in cooperation with the. When the curb is integral with the pavement, the width will be measured from back of curb to back of curb. Eliminate the need for locations to waste the large amount of pavement rubble. Pccp is considered nonqcqa when the bid item quality control testing is not included in the contract. Pdf support under portland cement concrete pavements is. Support under portland cement concrete pavements is. Concrete pavements have since helped transform our society from agricultural to industrial. Rigid pavements normally use portland cement concrete as the prime structural element. For the vast majority of applications, the rubblized pcc layer is surfaced with hot mix asphalt hma. Metricenglish m or e m metric e english this entry is located on the matt menu and is a required entry.
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