A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Fault-Removal Procedures for Rigid Pavement Joints
Although faulting of transverse joints in portland cement concrete pavement generally has not been a problem in New York, a change in load-transfer devices between 1960 and 1972 is now producing significant faulting on pavements with high-volume truck traffic. The study was initiated to determine the most efficient method of rehabilitating faulted joints. Two methods of removing faults were investigated --(1) physically lifting slabs and grouting beneath them, and (2) diamond-blade grinding. Lifting and grouting proved difficult and time-consuming and did not completely remove all faulting, but grinding produced a level profile across the joints. However, subsequent measurements showed that within a year, almost 1/16 in. of faulting had returned and the rate of recurrence has continued for 3 years. At the end of the time, magnitudes are already half what they were when the work was done. Thus, the continuing work on the study -- restoring load transfer -- is an important aspect of joint rehabilitation, because fault removal will not stop its recurrence.
Fault-Removal Procedures for Rigid Pavement Joints
Although faulting of transverse joints in portland cement concrete pavement generally has not been a problem in New York, a change in load-transfer devices between 1960 and 1972 is now producing significant faulting on pavements with high-volume truck traffic. The study was initiated to determine the most efficient method of rehabilitating faulted joints. Two methods of removing faults were investigated --(1) physically lifting slabs and grouting beneath them, and (2) diamond-blade grinding. Lifting and grouting proved difficult and time-consuming and did not completely remove all faulting, but grinding produced a level profile across the joints. However, subsequent measurements showed that within a year, almost 1/16 in. of faulting had returned and the rate of recurrence has continued for 3 years. At the end of the time, magnitudes are already half what they were when the work was done. Thus, the continuing work on the study -- restoring load transfer -- is an important aspect of joint rehabilitation, because fault removal will not stop its recurrence.
Fault-Removal Procedures for Rigid Pavement Joints
J. M. Vyce (author)
1985
35 pages
Report
No indication
English
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