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Distress Identification Manual for the Long Term Pavement Performance Program


Quiz Questions

1.Fatique cracking occurs in areas subjected to repeated traffic loadings (wheel paths).It can be a series of interconnected cracks in early stages of development and develops into many sided, sharp-angled pieces, usually less than 0.3 meters on the longest side.
True
False
2. Block cracking is a pattern of cracks that divides the pavement into approximately rectangular pieces. Rectangular blocks range in size from approximately 0.1 m2 to 10 m2.
True
False
3.Edge cracking applies only to pavements with unpaved shoulders. Crescent-shaped cracks or fairly continuous cracks which intersect the pavement edge and are located within 0.6 m of the pavement edge, adjacent to the shoulder.
True
False
4. Longitudinal cracking cracks predominantly parallel to pavement centerline.
True
False
5.________________ are predominantly perpendicular to pavement centerline.
Reflection cracking at joints
Transverse cracking
6._______________ are bowl-shaped holes of various sizes in the pavement surface. Minimum plan dimension is 150 mm.
Potholes
Patch
7.A ___________ is a longitudinal surface depression in the wheel path. It may have associated transverse displacement.
Rut
Patch
8. Shoving is a longitudinal displacement of a localized area of the pavement surface. It is generally caused by braking or accelerating vehicles, and is usually located on hills or curves, or at intersections. It also may have associated vertical displacement.
True
False
9.Joint seal damage is any condition which enables incompressible materials or water to infiltrate the joint from the surface. Typical types of joint seal damage are: Extrusion, hardening, adhesive failure (bonding), cohesive failure (splitting), or complete loss of sealant, intrusion of foreign material in the joint & weed growth in the joint.
True
False
10.Small pieces of pavement broken loose from the surface, normally ranging in diameter from 25 mm to 100 mm, and depth from 13 mm to 50 mm are known as ______________.
Popouts
Cracks
11. ______________ is nothing but breaking or cutting off small pieces from the surface.
Blowup
Chipping
12. Raveling is the wearing away of the pavement surface caused by the dislodging of aggregate particles.
True
False
13. Lane to shoulder drop off is the difference in elevation between the traffic lane and shoulder.
True
False
14.Lane to shoulder separation is the widening of the joint between the traffic lane and the shoulder.
True
False
15. Distress Type ACP 10- shoving in pavement surface is represented in _______________.
Figure 34
Figure 35