[PDF][PDF] Methodology for inspection of collector systems
Z Ahmed, TD White - Transportation research record, 1993 - onlinepubs.trb.org
Z Ahmed, TD White
Transportation research record, 1993•onlinepubs.trb.orgMethodology for inspection of collector systems Page 43 TRANSPORTATION RESEARCH
RECORD 1425 37 Methodology for Inspection of Collector Systems ZUBAIR AHMED AND
THOMAS D. WHITE Edge drains are a vital component of pavement drainage systems. In
Indiana, performance problems exist with the types of drains used. A study was initiated to
inspect and evaluate existing and retrofitted subdrainage collector systems through external
visual inspection in combination with a probe for internal inspection. Distresses and deficiencies …
RECORD 1425 37 Methodology for Inspection of Collector Systems ZUBAIR AHMED AND
THOMAS D. WHITE Edge drains are a vital component of pavement drainage systems. In
Indiana, performance problems exist with the types of drains used. A study was initiated to
inspect and evaluate existing and retrofitted subdrainage collector systems through external
visual inspection in combination with a probe for internal inspection. Distresses and deficiencies …
1. Inspecting existing types of edge drains in Indiana in regard to performance and operation, 2. Monitoring the conditions inside edge drains by means of a video probe, and
onlinepubs.trb.org