5837-3a - on the shoulder and originating from the joints)...

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Distress (or Condition) Survey • Purpose of a distress survey: – To know the problem with a pavement • Questions to be answered in a distress survey: – What type of distress? – Severity of distress? – Location of distress? • Results can be used to: – Understand and correct the deficiency of a pavement design. – Determine the most appropriate repair or rehabilitation methods to be used. Rehabilitation strategies can be planned based on the results of the distress survey Low severity alligator cracking Medium severity alligator cracking High severity alligator cracking Development of alligator cracking
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Low severity transverse cracking (asphalt pavement) Medium severity transverse cracking High severity transverse cracking Rutting Depression (the dark area in the middle) High severity pumping (in rigid pavement)
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“Blowhole” caused by pumping at a joint Signs of pumping (streaks of light-color material
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Unformatted text preview: on the shoulder and originating from the joints) Low severity transverse cracking (in concrete pavement) Medium severity transverse cracking High severity transverse cracking Transverse cracking on I-75 concrete pavement in Sarasota county in Florida High severity joint spalling High severity patch deterioration Measuring faulting at a joint using a fault meter D cracking (caused by use of non-durable aggregate and freezing and thawing) Edge punchout in CRCP (continuously reinforced concrete pavement) Severe edge punchout in CRCP (continuously reinforced concrete pavement) Reflective cracking in asphalt overlay on concrete pavement Slow ride along shoulder to make distress survey Recording data on a clipboard on the spot Aerial photography method A van mounted with high-speed surface photography equipment Photo of pavement taken by a high-speed surface photography equipment...
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This note was uploaded on 05/26/2011 for the course TTE 5837 taught by Professor Staff during the Spring '11 term at University of Florida.

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5837-3a - on the shoulder and originating from the joints)...

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