Performance of a Rehabilitated D-Cracked Jointed Plain Concrete Airfield Pavement

1997 ◽  
Vol 1568 (1) ◽  
pp. 148-154
Author(s):  
Robert K. Kumapley ◽  
Emmanuel B. Owusu-Antwi
Keyword(s):  
Portland Cement ◽  
Plain Concrete ◽  
Structural Condition ◽  
Concrete Pavement ◽  
Portland Cement Concrete ◽  
Cement Concrete ◽  
Heavy Weight ◽  
Bonding Condition ◽  
Years Of Service ◽  
Using Data

The results of a study conducted to assess the performance of a D-cracked pavement rehabilitated between 1986 and 1989 are presented. The original pavement, located at Forbes Field in Topeka, Kansas, consisted of a thick jointed plain concrete pavement (JPCP) placed directly on a clay subgrade and had D-cracking in the top 102 mm (4 in.). The D-cracking was removed completely by milling before the placement of a bonded JPCP overlay. The major concerns were ( a) the bonding condition between the overlay and the original JPCP, ( b) the extent of D-cracking progression in the original JPCP, if any, after rehabilitation, and ( c) the structural condition of the overlay and the original JPCP. These concerns were investigated using data from heavy weight deflectometer tests performed at the center, corner, and edge of the JPCP slabs. Cores from the rehabilitated pavement were also inspected. The results of the study indicate that, after 6 to 9 years of service, the rehabilitated JPCP is in good structural condition. Significant friction and bonding still exist between the overlay and the original JPCP layer. These results may be useful to pavement engineers considering a bonded portland cement concrete overlay for rehabilitation of D-cracked JPCP.

scholarly journals Mechanistic Responses of Asphalt Concrete Overlay Over Jointed Plain Concrete Pavement Using Finite Element Method

2020 ◽  
Vol 15 (5) ◽  
pp. 80-93
Author(s):  
Amadou Oury Diallo ◽  
Muhammet Vefa Akpinar
Keyword(s):  
Finite Element ◽  
Portland Cement ◽  
Asphalt Concrete ◽  
Tensile Strain ◽  
Plain Concrete ◽  
Element Model ◽  
Concrete Pavement ◽  
Traffic Load ◽  
Portland Cement Concrete ◽  
Cement Concrete

This study focused on the development of a three-dimensional Finite Element Model of an asphalt concrete overlaid on a jointed plain concrete pavement to assess the mechanical behaviour of the pavement under traffic load. The objective of this study was to determine the influence of different asphalt concrete thickness, asphalt concrete modulus, the interface bond between the asphalt concrete and the Portland cement concrete layer, Portland cement concrete modulus, and joint width on the tensile strain at the bottom of the asphalt overlay. The results showed that changes in the pavement parameters result in a large range of variations on the magnitude of pavement responses. The magnitude of the longitudinal tensile strain at the bottom of the overlay varied between 25 με and 460 με. Asphalt concrete thickness, interface contact condition, and asphalt concrete modulus parameters had the most influence on the pavement responses. The interface bonding condition was significant, regardless of the thickness of the surface layer.

Long-Term Performance of Recycled Portland Cement Concrete Pavement

1996 ◽  
Vol 1525 (1) ◽  
pp. 115-123 ◽  
Author(s):  
Stephen A. Cross ◽  
Mohamed Nagib Abou-Zeid ◽  
John B. Wojakowski ◽  
Glenn A. Fager
Keyword(s):  
Portland Cement ◽  
Test Section ◽  
Load Transfer ◽  
Construction Materials ◽  
Concrete Pavement ◽  
Recycled Concrete ◽  
Portland Cement Concrete ◽  
Cement Concrete ◽  
Cement Concrete Pavement ◽  
Portland Cement Concrete Pavement

Over the past years there has been an increasing interest in recycling construction materials, particularly hot-mix asphalt (HMA) and portland cement concrete pavements (PCCP). To this end the Kansas Department of Transportation (KDOT) participated in Demonstration Project 47, Recycling Portland Cement Concrete Pavement, by recycling a moderately D-cracked concrete pavement and monitoring the performance over a 10-year period. The recycled concrete pavement (RCP) aggregate was evaluated in four test sections consisting of two control sections, one test section of portland cement-treated base (CTB) with RCP aggregate, and one test section using RCP aggregate in the PCCP and CTB. An HMA shoulder using RCP as coarse aggregate was also constructed. The test sections were monitored over a 10-year period for performance including faulting, roughness, load transfer, and friction measurements. Faulting, roughness, performance level, and joint distress measurements from KDOT's 1995 pavement condition survey were used to compare the performance of the recycled sections with PCCP of similar age and traffic in the same area of the state. All test sections performed well, with the CTB and PCCP sections with RCP aggregates showing slightly more distress.

Research on the Contraction Joint Width of Rubberized Concrete Pavement

2011 ◽  
Vol 287-290 ◽  
pp. 436-444 ◽  
Author(s):  
Feng Qin ◽  
Zhuang Bin He ◽  
Qiong Nian Huang
Keyword(s):  
Portland Cement ◽  
Engineering Application ◽  
Concrete Pavement ◽  
Rubberized Concrete ◽  
Portland Cement Concrete ◽  
Cement Concrete ◽  
Joint Spacing ◽  
Cement Concrete Pavement ◽  
Contraction Joint ◽  
Portland Cement Concrete Pavement

This paper describes the calculation analysis of joint open, and the research has been carried up on Portland cement concrete pavement and rubberized concrete pavement with the consideration of hogging distortion caused by temperature, expansion deformation and drying shrinkage. Finally ,it were observed that joint open of 6m contraction joint spacing for rubberized concrete pavement is the same as 4.5m contraction joint spacing for Portland cement concrete pavement. The above analysis provides the possibility of 6-meter contraction joint spacing for rubberized concrete pavement which give theoretical basis for engineering application.

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