Research Article

Decision Matrix Analysis of Impact Sounding Test Method to Determine Interlayer Condition of Concrete Bridge Deck

Table 2

Condition level description for field evaluation.

Condition levelDescription

GoodGood condition, no inspected damage on the interlayer

MinorMinor damage: interface of cement concrete shows scaling
Cement concrete aggregates are exposed

SevereDeterioration depth is greater than 25 mm
Aggregates are removed from the surface
Traces of moisture are remarkable

HeavedAsphalt concrete is heaved and completely detached from the cement concrete