What causes pavement failures?
There are two common causes of pavement failure. First, if a pavement was built
on a subbase that was not structurally sound, the pavement will deteriorate prematurely.
The second and most common cause is water penetration. If your pavement does not
drain well or has cracks, water penetrates the pavement and causes subbase failures.
What can I do to prevent pavement failures?
Periodic and preventative maintenance is the key. Budget money for crack filling
on a yearly basis. Typically a few hundred dollars a year in crack filling will
save you thousands in patching when resurfacing is required. If deteriorated pavement
is caused by poor subbase conditions, periodic patching may be required to keep
those areas from spreading.
Do I need to replace all of the deteriorated pavement?
Typically not. Pavements are only designed for a 15 year life cycle and random fatigue
cracking and slight deteriorations are to be expected. Simply adding a new 2" surface
over the existing paving will seal the cracks and deteriorated areas and solve the
problem.
How often should I resurface asphalt pavement?
Every 15 years, your lot should be resurfaced.
What is Superpave?
Superior Performing Asphalt Pavements. These new mixes were designed to reduce rutting
and to reduce low temperature fatigue cracking. The mixes are generally not as pleasing
to look at but have much more durability. Your contractor must have the equipment
and knowledge to work with these new mixes.
Does the sun increase asphalt deterioration?
The sun heats up the cement which in turn can weaken the holding characteristics of the chemical composite in the dried liquid asphalt. This can cause the stone to loosen and break away into curbsides. ditches, and storm drains.
When should traffic be allowed onto a parking lot that has recently been completed?
Depending on the job performed it can be anywhere from 2 to 24 hours. For asphalt resurfacing, you generally should allow 2 to 6 hours before using the new lot. If you have any concerns, your contractor will be able to give you a suggested time frame for the use of the lot.
What is asphalt pavement?
Asphalt pavement is a high-quality material made by blending stone, sand or gravel while using asphalt cement as a binder.
Can you recycle asphalt pavement?
Absolutely! Asphalt pavement is 100% recyclable and can actually perform better the second time around. Asphalt roads are removed, crushed, then mixed with additional composites (stone, sand, gravel) adding in fresh asphalt cement, remixed once again and then paved back onto the road. Roofing shingles, metal-casting foundries and rubber from old tires are just a few of additional recycled materials that can be used.
Is asphalt pavement only used on roads?
Asphalt is a versatile material which can be used on a variety of things. Basketball and tennis courts, running tracks, airport runways, cattle feed lots are just a few of the many uses asphalt paving provides.
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