Alligator Cracks Alligatored asphalt is characterized by interconnected cracks forming small pieces that range in size from about 1” to 6” and appear much like alligator skin. This damage is caused by failure of the surfacing due to traffic loading and often due to inadequate base or deficient subgrade support. If the subsurface is not [...]
Tag Archives | emergency road repair
Asphalt Damage, Part 6, Block Cracks
Block cracking is identified by interconnected cracks joining to form large blocks. The cracks usually intersect at nearly right angles. Blocks range from one foot to nearly ten feet or more across. The closer-spaced blocks indicate more advanced aging caused by shrinking and hardening of the asphalt over time. Repair with sealcoating during early stages to reduce weathering [...]
Transverse Cracks in Asphalt
A crack forming at an approximate right angle to the center line is a transverse crack. They are often regularly spaced. They are caused by movement due to temperature changes and aging, hardening asphalt. Transverse cracks will initially be widely spaced (over 50’). Additional cracking will occur as they age until they are closely spaced [...]
Asphalt Damage, Part 4, Distortion
Shoving or rippling is caused by surfacing material displacing crossways to the direction of traffic. It can develop into washboarding when the asphalt mixture is unstable because of poor-quality aggregate or improper mix design. Very large repairs can be handled by milling smooth and overlaying with stable asphalt mix. This may not last for a [...]
Defining the Benefits of Roklin’s Repair Products
smooth /smuð/ adverb, verb, noun, adjective 1. free from projections or unevenness of surface; not rough: smooth wood; a smooth road. SMOOTH, as in the ride provided by FloMix (asphalt) or FlexSet (concrete) repairs. en·dur·ing /ɛnˈdʊərɪŋ, -ˈdyʊər-/ adjective 1. lasting; permanent: a poet of enduring greatness. ENDURING describes how FloMix and FlexSet repairs are long-lasting. [...]
Pavement Damage 16, Utility repairs– patches and potholes
Replacement or repair of utilities will require cuts or utility openings. When repaired these pavement patches may show settlement, joint deterioration, or distress under continued traffic loading. Patches from previous repairs may perform like original pavement or experience joint deterioration or settlement. Localized failures of materials or subgrade soil can cause individual potholes. Surface spalling [...]
Pavement Damage 15,Pavement Settling or Heaves
Unstable or poorly-drained subgrade soils may cause pavements to settle after construction. Poorly-compacted utility trenches may also settle. This may be a gentle swale or a fairly severe dip. Frost-susceptible soils and high water tables can cause pavements to heave during the winter months. Water will freeze, expand and cause cracks. Extensive pavement cracking and [...]
Pavement Damage 13, Blowups
Concrete slabs may push up or be crushed at a transverse joint. This is caused by expansion of the concrete that has caused breakdown and incompressible materials (sand, etc.) have infiltrated into poorly sealed joints. As a result, there is no space to accommodate expansion. It is more common in older pavements with long joint spacing. [...]
Pavement Damage 11
Concrete Damage Series, Part 11 Corner cracks Diagonal cracks near the corner of a concrete slab may develop, forming a triangle with a longitudinal and transverse joint. Usually these cracks are within one foot of the corner of the slab. They are caused by insufficient soil support or concentrated stress due to temperature-related slab movement. [...]
Types of Pavement Damage 10
Concrete Damage Series, part 10 D-cracks Occasionally, severe deterioration may develop from poor quality aggregate.D-cracking develops when the aggregate is able to absorb moisture. This causes the aggregate to break apart under freeze-thaw cycles which leads to deterioration. Usually, it starts at the bottom of the slab and moves upward. Fine cracking and a dark [...]
- The Stuff Repairs Are Made Of
- Importance of Communication
- Why Do We Have Leap Year?
- Dopey Soup, aka PolyFlex DS
- How to Fix Asphalt Water Damage
- Asphalt Damage, Part 7, Alligator Cracks
- Asphalt Damage, Part 6, Block Cracks
- Asphalt Damage, Part 5 and 6
- Roklin Opens New Manteresting Account
- Transverse Cracks in Asphalt
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