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Your pavement is some pretty strong stuff. It fights off the constant, changing the pressure of being driven on, the glaring sunlight, various elements, and the surge of flora that wants that space for itself. To hold back all of these forces, you have to be tough. However, there are elements to pavement that also make it vulnerable to the very things it’s fighting off.

Based on your location, and the type of business you are, different chemicals such as salts and petroleum products can eat away at your asphalt, leaving it weakened and shortening its lifespan.

Some of the types of businesses where you can see this the most are businesses that are prone to oil and gas leaks. This is because asphalt actually IS a petroleum based product, separated from that oil or gas leak only by the refining process. Once those get into unprotected asphalt, they can break down your pavement, making it weak considerably in just a short amount of time.

Additionally, salts used during winter weather can also do a number on your asphalt, cutting its lifespan considerably.

Fortunately, there is an important tool that any business owner can employ to prevent this kind of headache from ever happening. This is done through proper sealcoating. Sealcoating is the perfect line of defense for your pavement that helps protect it from harmful sunlight and the onslaught of chemicals that tend to spill onto your parking lot and stay there indefinitely. It prevents these things from breaking down your pavement prematurely.

Your sealcoating professional will typically start with a perfectly clean and repaired pavement before applying your sealcoating. This is important because you need this additional layer to adhere properly to every inch of surface area. Once applied (typically using either a squeegee or spray), your professional will give your parking lot a cure time of no less than 24 hours to ensure that the asphalt is fully sealed and protected in every area. During this cure time, though, stripping can be applied so that your parking area is ready to go as soon as that 24 hours have passed.

July 18th, 2017

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Engineers have explored using different products, such as littles rubber or smaller sized stone mixes, to minimize sound. They likewise have actually looked at the direction, depth and spacing of the lines that are utilized to increase friction in concrete roadways. Striations that are three-quarters of an inch broad and 1/16 to 3/16 of an inch in depth appear to be quietest, Mr. Rasmussen said.
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Near Hunts Point, Wash., a special neighborhood of primarily waterside homes throughout a heavily trafficked bridge from Seattle, roadway noise was minimized by 4 decibels after a nearby freeway was paved with peaceful asphalt in 2007, stated Tim Sexton, manager at the state Department of Transport’s Air Quality, Sound and Energy Policy.

Regional drivers were passionate at the time: “It resembles driving on carpet,” said one, according to a community newsletter.

Nevertheless, any muffling impact was gone within 6 months, according to Mr. Sexton. The asphalt surface area, which used techniques such as more negative structure, has in fact become louder than standard pavement over time as the divots ended up being filled with grit.

The pavement, which also weakened faster than routine pavement, won’t be utilized on the rest of the freeway, Mr. Sexton stated. Since of the deterioration of the product, a cleaning vehicle wouldn’t have actually been helpful in keeping the quietness of the roadway, he said.

Washington state hasn’t quit, however, and is still testing other sections of quiet pavement around the state, including five types of peaceful concrete with different surface area appearances. “It does not look like the pavement types that we’ve checked are going to work for the kinds of roads we’ve checked them on up until now, however we’re going to continue researching it until all the sections have been replaced,” Mr. Sexton said.

July 16th, 2017

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The use of explosives for rock excavation has been dated way back in time. Nowadays, rock blasting uses many different varieties of explosives with different compositions and performance properties. Higher velocity explosives are used for relatively hard rock in order to shatter and break the rock, while low velocity explosives are used in soft rocks to generate more gas pressure and a greater heaving effect.

Here are other descriptions of various rock excavation methods.

Cushion blasting is done after production blasts. Larger drill holes are used with small diameter, lightly loaded distributed loads and the space around the explosive is filled with crushed rock to cushion the explosive force. Doing so, reduces the amount of radial fracturing around the borehole and also reduces borehole traces. The large diameter holes allow blasting depths up to 30 m (100ft). The procedure produces a ragged final slope face. One great thing about it is that it performs well in all rock types.

But, radial fractures are more abundant than presplit and smooth blasting. Slope face is more prone to raveling and a catchment area is recommended at slope base. This is also more demanding on the driller and borehole traces still apparent in hard, competent rock.

Step drilling involves larger  diameter drill holes, drilled vertically and used as production blasting (although spaced closer and loaded lighter to minimize radial fractures) and a slope face is formed along base of blast holes. If properly designed the final slope face shows minimal signs of blasting. It can be used when sloped controlled blasting cannot and is best used in moderately to highly fractured rock.

The cons of such would include producing extensive damage to slope or inadequate base fracturing if not designed properly. Thus, step drilling should only be used with experienced driller and blasting engineer. Also, it is not advisable to be used in hard competent rock.

July 10th, 2017

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Just what is slurry seal?

Slurry Seal is a cold-mix paving air conditioner that could correct a broad range of problems on streets, landing strips, parking area and also driveways. Consider Slurry as an Industrial Quality Asphalt Surfacing.

The primary materials used to create slurry seal are aggregate, asphalt emulsion as well as fillers, which are mixed together baseding on a research laboratory’s style mix formula. Water is additionally included for workability.

Benefits of slurry seal

As one of the most functional of any type of sidewalk surface area treatment heating and cooling unit, slurry seal is additionally unique in its capacity to transfer a durable bituminous mixture based on the needs of a variably distinctive surface area– filling splits as well as voids, sealing the surface weather-tight, and also offering shade as well as structure delineation in a single pass.

Affordable

Affordable to set up, very inexpensive to use.
Rapid Usability

Easy, speedy application of a brand-new overlay makes slurry especially appealing for refurbishing hectic roads, car park and airport runways. The new area prepares to make use of in just hrs after application.
Correcting & Stopping Issues

Existing distresses in older sidewalks– surface area fracturing, raveling, loss of matrix, Raised water and air permeability as well as lack of friction as a result of flushing or aggregate polishing– could be remedied with a slurry application. Waterproofing is additionally attained, protecting against additional deterioration. An all-weather, durable surface area is produced that supplies skid resistance and improved handling attributes for motorists.

Visual Worth

With one easy application, existing sidewalk receives a new putting on area of consistent black color as well as structure. Enhanced appearance implies boosted property value, advertising capacity as well as purchaser approval. Highways, shopping center car park and various other public or office sidewalks treated with slurry seal become much more attractive as well as eye-appealing.

June 20th, 2017

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As we all know, seal coating has loads of benefits and it is considered as one of the most essential preventive maintenance treatment for your parking lot or driveway. One crucial factor that affects the effectivity of such preventive maintenance program would be proper application at the most suited time and interval.

To avoid any problems, be sure to contact professional and experienced seal contractors to make sure that you are getting your money’s worth. There are instances when inexperienced contractors would influence unsuspicious property owners.

It is a fact that asphalt emulsion or petroleum based emulsion will protect an asphalt parking lot from gas & oil spillage, oxidation from the sun, deterioration from de-icing chemicals, waterproof the surface offering protection to extreme weather conditions and will beautify the pavement. Ideally, seal coating is reapplied every two or three years. If applied accordingly, it has the ability to  extend the life of an asphalt parking lot by 20 years on average if completed in conjunction with a Preventative Maintenance Plan to include hot rubberized crack sealing and inspection of the parking lot on an annual basis to cure issues right away.

However, when an asphalt parking lot is neglected for 10-15 years, is covered with cracks, alligator cracked areas, erosion of the fines from the asphalt leaving behind a rough surface with exposed stone, seal coating will provide no structural value and will only be cosmetic.

For a deteriorated parking lot that has not been maintained, seal coating will only add a few years of life to the asphalt at best and will not be able to level or fix low spots.

When seal coating is done on asphalt where all the fines have eroded and stone is now rough and protruding, application will quickly wear off of the top of the stones in high traffic areas.

When it comes to applying pavement sealer, it would be advisable to go for two thin coats rather than one thick coat.

June 16th, 2017

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Chip Seals (or seal finish, BST, Bituminous Surface area Treatment) is the application of a unique safety wearing surface area to an existing pavement.

Chip Sealing

A dump truck filled with chips (gravel) locks on to the chip spreader and is pulled backwards.

A thin layer of liquid asphalt is sprayed down in front of the chip spreader.

Why chip seal?

  • To keep water from penetrating the road structure on paved surface areas.
  • To fill and seal cracks and raveled surface areas of old pavement.
  • To supply an anti-glare surface throughout wet weather and an enhanced reflective surface area for night driving.
  • To seal the pavement surface-minimizing the results of aging.
  • To provide a highly skid-resistant surface, specifically on wet pavements.
  • The cost of chip seals is 15 % -20 % of the expense of pavement overlays.

The Chip Seal Process

Asphalt is blended with about 30 % water. This emulsified mix is then applied to the road making use of a special spray truck. As quickly as the liquid asphalt meets the roadway surface, the water begins to vaporize.

Instantly after spraying this asphalt, a layer of crushed gravel is used by a spreader. The gravel (or chips) has a maximum size of 3/8 inch.

Next, the gravel is compacted and embedded into the asphalt by rubber-tired rollers. Nevertheless, even with the high pressure rolling, some gravel will not end up being embedded in the asphalt.

The brand-new chip-seal surface area can require approximately 2 days to treat appropriately. Hot, dry weather condition assists speed up this procedure in which all of the continuing to be water in the emulsion vaporizes and the asphalt solidifies. Traffic can pass over this surface at minimized speeds during the treating process.

After treating, the loose gravel is swept the surface area. This might take numerous sweepings.

 

 

 

June 13th, 2017

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Maintenance and repair of pavements can cost thousands of dollars and, with this in mind, concentration on pavement management and specific repair is relevant. However, proper selection of pavement repair should be given more attention especially when it comes to dealing heavy traffic, weather, and drainage conditions.

The cost of maintenance and construction of roads is always a sore subject. Constant pressures on these highways deem it necessary to provide adequate maintenance. Pavement maintenance refers to undergoing less expensive repairs on decent existing roads to keep them functional. Bear in mind that is way cheaper to maintain roads that are still in good shape rather than fixing roads that are already broken.

Every company or business entity have a specific budget which is allocated in various departments. Adequate pavement maintenance should be part of an overall management plan in order to manage funds wisely and get the most bang from your buck.

One vital element in effective pavement maintenance is to determine what the proper repair is. It can range from little to no management or as far as reconstructing the entire road. A careful and thorough assessment should be done before making a move to prevent making repairs that will eventually fail prematurely and will waste time, resources, and money.

Repairs are inevitable. No matter how hard you try to avoid it, it will happen whether you like it or not. Faced with that situation, it is important to determine things that can possibly go wrong and minimize the chances of it from happening. Good understanding of the causes is also critical in coming up with the correct choice.

With a number of pavement maintenance techniques, you have to remember that they all vary in cost and durability. Through recent upgrades in standards and improvements in paving maintenance methods, highway systems – where millions of dollars have been invested – can be preserved for longer durations.

June 1st, 2017

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As with other petroleum based products, asphalt can be damaged and react with the surface. When rain, UV rays, chemicals and others are introduced into asphalt, it can degrade both the asphalt and also the binder that keeps it together. Eventually, pavements can become brittle and lead to expensive repairs or even replacement.

It is essential to protect your investment and extend the life of pavements by reducing the effects of harmful elements through the use of sealcoating. Sealcoating works by providing a layer of protection from those destructive elements and minimize their damage.  Sealcoat contains bitumen or acrylics that is mixed with polymer additives, water, silica sand and other proprietary fillers and solids which can be applied making use of a pressurized spray equipment, self-propelled squeegee machine, or brush that requires 24-48 hours of curing before vehicles are allowed to pass back to the surface. Depending on specifications, sealcoating can provide a slip resistant surface that gives a deep black finish – further enhancing a certain parking lot or driveway.

Implementing a maintenance program with the aid of sealcoat can increase and even enhance the life of your asphalt. Spend a few dollars for maintenance rather that thousands for a new pavement. For maximum protection and optimum performance, it would be best to apply a minimum of 2 coatings within a temperature of more than 50 degrees for a period of not less than 24 hours. If it is forecasted to rain or temperature is going to drop below 50 degrees, better postpone application.

To maximize benefits, it is advised to sealcoat every 2-3 years to increase the life of your asphalt for a small price. Doing so with proper technique at the right time will prevent oxidation and also avoid weather damage that will revamp your pavement and keep it looking brand new.

May 20th, 2017

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So you’re probably asking yourself why you should spend all of this money on maintaining your parking area with maintenance every 3 years or so? Isn’t that just throwing a lot of money onto piling layer after layer onto your parking area?

The answer to this is a resounding “no”. In fact, by doing your regular maintenance, you’re actually saving yourself quite a bit of money. Sure, it seems obvious that you’re preventing a costly repair later on, but it’s also important to consider that the cost of maintenance will actually go down as well.

For example, you could be spending upwards of $39 per square yard over a 15 year period if you don’t maintain your asphalt. However, with regular maintenance, that cost goes down a dramatic amount of less than $24 per square yard. Over a 15 year period, that’s a savings of nearly $46, 000 over a 15 year period, or over $3000 per year.

More importantly is the unspoken cost of that impression you give to your customers, your clients, or your new tenants. It’s your first impression, and speaks volumes about how well you maintain your business. If you’re a landlord, it tells your potential tenants a great deal about how you might maintain your apartments. If you’re a business owner with customers and clients, it gives a good idea about how much attention to detail you’re willing to give to their needs.

Best of all, it’s a statement as to how you take pride in your business, how important a clean and neat place of business is to you, and a good understanding of how a first impression is your best and only chance to give a good impression.

May 13th, 2017

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Included UV radiation as well as aesthetic glow for pedestrians are among the numerous possible influences researchers list as reasons to re-evaluate reflective sidewalks.

A white paper produced by The National Asphalt Sidewalk Organization as well as the State Asphalt Pavement Associations recently attracted focus by asserting that reflective pavements, which are promoted in programs like LEED for alleviating the urban-heat-island effect, can be doing even more harm than great. Nonetheless, the conclusions attracted from limited field research study are sketchy, increasing questions about whether the asphalt industry introduced predisposition.

The record, entitled “Unintentional Effects: A Research study Synthesis Analyzing using Reflective Pavements to Mitigate the Urban Warmth Island Impact,” says that non-roof pavement with a high solar reflective index (SRI) could mirror solar radiation in a way that creates undesired ground-level effects– principal amongst them increased cooling tons from shown warmth absorbed by nearby structures.

However, as co-author Zhihua Wang, Ph.D., himself told EBN, the record’s literary works evaluation is “concentrationed on one side of the tale,” and also the research study is initial. For example, to research how successfully reflective pavements reduce overlying air temperatures, the scientists kept track of air temperature levels just five feet above small, 12′ x 12′ parts of reflective and also non-reflective surface areas. Unsurprisingly, they discovered little difference in air temperatures. “The [field research study] is not extremely depictive of the heat-island result,” according to Wang. “It is much more representative of basic physics.”.

That said, Wang assists the record’s conclusion that porous asphalt and pervious concrete are most likely much better products to mitigate the urban-heat-island impact due to their lower nighttime surface temperature level, as observed in the very same research study. The writers prepare to release their research for peer evaluation.

May 11th, 2017

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