Field Performance Study of Selected Portland Cement Concrete Pavement Joint Sealants in Utah PDF Download
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Author: Timothy Duane Biel
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 114
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Author: Timothy Duane Biel
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 114
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Book Description
Author: Timothy D. Biel
Publisher:
ISBN:
Category : Asphalt concrete
Languages : en
Pages : 54
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Author: Sylvester A. Kalevela
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 116
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Book Description
In July 1986, the Arizona Transportation Research Center (ATRC) coordinated the installation of a joint sealant test site near Flagstaff, between mile posts 331.5 and 332.2, on the southbound lanes of Interstate 17. The original project was constructed in 1974, with 8 in. (20 cm) of portland cement concrete pavement (PCCP) over 6 in. (15 cm) of cement treated base (CTB). The test site consisted of 200 transverse joints sawed 2 in. (5 cm) deep, skewed 1:6, and spaced at a repeating sequence of 17, 15, 13, and 15 ft (5.2, 4.6, 4.0, and 4.6 m). The objective of the project was to evaluate the performance of five joint sealants: Dow Corning 888, Superseal 888, Allied Koch 9005, Crafco Roadsaver 231, and W.R. Meadows Sof-Seal. The highway sections abutting this test site were also rehabilitated and their pavement joints were sealed with Superseal 444 which, at that time, was a specified sealant in the Arizona Department of Transportation (ADOT) standards. Field evaluations of the joint sealants were performed at nine months, one year, 1.5 years, 3 years, and 8 years after construction. The evaluations were based on: (i) sealant flexibility, (ii) length of joint with missing sealant, (iii) adhesive and cohesive failure of sealant, (iv) joint width and sealant depth, (v) joint spalling, (vi) sealant recess, (vii) Falling Weight Deflectometer testing, and (viii) slab faulting. Generally, it appeared that after about eight years of service all five sealants had exhibited comparable performance level. Clearly, all test sealants performed better than Superseal 444 which was an ADOT specified joint sealant when the test site was installed in 1986.
Author: Larry N. Lynch
Publisher:
ISBN:
Category : Pavements, Asphalt concrete
Languages : en
Pages : 178
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 124
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Author: Library of Congress. Exchange and Gift Division
Publisher:
ISBN:
Category : State government publications
Languages : en
Pages : 652
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Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 104
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Author:
Publisher:
ISBN: 9780309680851
Category : Concrete roads
Languages : en
Pages : 92
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Book Description
Portland cement concrete (PCC) pavement joint sealing material technology has evolved in recent decades, and the effect of current joint sealant practice has not been well documented. Therefore, it is necessary to establish a standardized approach to joint sealant evaluation as well as to investigate the practice of joint sealant in PCC pavement design. The TRB National Cooperative Highway Research Program's NCHRP Synthesis 568: Portland Cement Concrete Pavement Joint Sealant Practices and Performance compiles and documents information regarding the current state of practice of joint sealing PCC by state departments of transportation.
Author:
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ISBN:
Category :
Languages : en
Pages : 712
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 704
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