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Longitudinal Joint Systems in Slip-Formed Rigid Pavements. Volume I. - Literature Survey and Field Inspection.

ADA066320

Publication Date	1979
Personal Author	Barenberg, E. J.; Smith, R. E.
Page Count	146
Abstract	Most construction equipment for rigid pavements has been designed to place ribbons of concrete, called paving lanes, either 24 or 25 feet wide. Pavements of widths greater than 25 feet normally require the pavement be placed in parallel lanes with a construction joint between the lanes. To assure continuity of the pavement slabs across these lane-dividing joints, load transfer system are normally used, the most common of which for airport pavements is a keyway built into the pavement lane slabs. Construction of these keyway systems with the slip form pavers has caused some construction problems which result in slumping of the pavement edge and unsatisfactory load transfer across the joint. Furthermore, the high gear loads on modern aircraft have reportedly caused many of the keyway system to fail thus causing serious maintenance problems on the pavements. This phase of the study was undertaken to evaluate the seriousness of this problem and to suggest possible solutions. Available literature on the design, construction and performance of various load transfer systems for rigid pavements were studied, and the potential for the various systems fornuse in the longitudinal joint with slip form pavers was evaluated. Visits were made to most FAA regional offices, a number of FHWA offices and to a number of airports to discuss this problem with knowledgeable field engineers. Results of these visits and the findings from the literature are presented in this report. FAA-RD-79-4, VOL II, Analysis of Load Transfer Systems for Concrete Pavements and VOL III, Users Manual for Pavement Design are in preparation. (Author)
Keywords	Pavements Concrete Joints Runways Construction Construction materials Airports Landing fields Loads(Forces) Transfer Rigidity Slip formed pavements
Source Agency	Non Paid ADAS Department of Transportation Federal Aviation Administration
NTIS Subject Category	50B - Civil Engineering 50C - Construction Equipment, Materials, & Supplies
Corporate Authors	Illinois Univ at Urbana-Champaign Dept of Civil Engineering; Federal Aviation Administration, Washington, DC. Systems Research and
Document Type	Technical Report
NTIS Issue Number	197916
Contract Number	DOT-FH-11-8474

Longitudinal Joint Systems in Slip-Formed Rigid Pavements. Volume I. - Literature Survey and Field Inspection.

Longitudinal Joint Systems in Slip-Formed Rigid Pavements. Volume I. - Literature Survey and Field Inspection.
ADA066320

Publication Date	1979
Personal Author	Barenberg, E. J.; Smith, R. E.
Page Count	146
Abstract	Most construction equipment for rigid pavements has been designed to place ribbons of concrete, called paving lanes, either 24 or 25 feet wide. Pavements of widths greater than 25 feet normally require the pavement be placed in parallel lanes with a construction joint between the lanes. To assure continuity of the pavement slabs across these lane-dividing joints, load transfer system are normally used, the most common of which for airport pavements is a keyway built into the pavement lane slabs. Construction of these keyway systems with the slip form pavers has caused some construction problems which result in slumping of the pavement edge and unsatisfactory load transfer across the joint. Furthermore, the high gear loads on modern aircraft have reportedly caused many of the keyway system to fail thus causing serious maintenance problems on the pavements. This phase of the study was undertaken to evaluate the seriousness of this problem and to suggest possible solutions. Available literature on the design, construction and performance of various load transfer systems for rigid pavements were studied, and the potential for the various systems fornuse in the longitudinal joint with slip form pavers was evaluated. Visits were made to most FAA regional offices, a number of FHWA offices and to a number of airports to discuss this problem with knowledgeable field engineers. Results of these visits and the findings from the literature are presented in this report. FAA-RD-79-4, VOL II, Analysis of Load Transfer Systems for Concrete Pavements and VOL III, Users Manual for Pavement Design are in preparation. (Author)
Keywords	Pavements Concrete Joints Runways Construction Construction materials Airports Landing fields Loads(Forces) Transfer Rigidity Slip formed pavements
Source Agency	Non Paid ADAS Department of Transportation Federal Aviation Administration
NTIS Subject Category	50B - Civil Engineering 50C - Construction Equipment, Materials, & Supplies
Corporate Authors	Illinois Univ at Urbana-Champaign Dept of Civil Engineering; Federal Aviation Administration, Washington, DC. Systems Research and
Document Type	Technical Report
NTIS Issue Number	197916
Contract Number	DOT-FH-11-8474