How Diesel Fuel Damages Asphalt Pavement

what does diesel fuel do to asphalt

Diesel fuel has been widely used as an asphalt release agent in the paving industry. However, its use has recently been prohibited due to various drawbacks and legal restrictions. When diesel fuel is spilled on asphalt, it acts as a solvent, breaking down the bitumen and stripping it from the aggregate, causing crumbling, cracking, and reducing the pavement's lifespan. Additionally, diesel fuel has a low flash point, making it highly flammable and dangerous in work environments. Furthermore, its slow biodegradation rate allows it to linger in the asphalt, continuing to degrade the mix and compromising the integrity of the pavement. As a result, alternative products like PavePro, which are more effective, environmentally friendly, and legally compliant, are now preferred by the industry.

Characteristics Values
Effect on asphalt Diesel fuel acts as a solvent to break down the bitumen within the asphalt. It strips the asphalt and causes crumbling, cracking, and a shortened lifespan of the pavement.
Biodegradability Diesel fuel does not biodegrade, which causes problems over time as it continues to break down the asphalt.
Environmental impact Diesel fuel is harmful to the environment, which is why its use as an asphalt release agent is forbidden by the Oil Pollution Act of 1990, The Clean Water Act of 1972, and The Resource Conservation and Recovery Act.
Safety Diesel fuel has a low flash point and quickly vaporizes into a dangerous gas that can combust and explode, damaging equipment and endangering workers.
Legal status The use of diesel fuel as an asphalt release agent is illegal under federal laws in the US.
Alternatives Alternatives to diesel fuel, such as PavePro, are more effective, biodegradable, and safer to use.

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Diesel fuel is a solvent that breaks down asphalt

Diesel fuel is a known release agent in the asphalt paving industry. However, it has several drawbacks. Firstly, it is illegal to use diesel fuel as a release agent under three federal acts: the Oil Pollution Act, the Clean Water Act, and the Resource Conservation and Recovery Act. These acts impose hefty fines on contractors found in violation. Secondly, diesel fuel is dangerous. With a flash point of around 125-130°F, it quickly becomes a combustible gas, which can cause explosions and damage equipment.

Diesel fuel also ruins the integrity of the asphalt. After the mix is laid, the leftover diesel fuel continues to penetrate the bitumen, causing crumbling and cracking. This separates the asphalt cement from the aggregate, stripping the asphalt and degrading the mix. This shortens the lifespan of the pavement. Diesel fuel takes about one to three months to biodegrade, during which it wreaks havoc on the asphalt.

PavePro is a popular alternative to diesel fuel as an asphalt release agent. It is 100% biodegradable and DOT-approved. It does not strip the asphalt and preserves the quality of the pavement. It also has a high flash point, making it safer to use.

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It causes crumbling, cracking and shortens pavement lifespan

Diesel fuel is a solvent that breaks down the bitumen in asphalt. Asphalt is made of bitumen, which is produced by fractional distillation when crude oil is split into naphtha, petrol, diesel, and other products. Since diesel and bitumen are both hydrocarbon chains, the bitumen will dissolve into the diesel.

When diesel fuel gets into the asphalt, it starts to break down the oils in the mix. After laying the asphalt, the diesel doesn't go anywhere. It keeps eating through the asphalt and cutting the oil. This process causes crumbling, cracking, and shortens the overall lifespan of the pavement.

The problem with diesel fuel is that it doesn't biodegrade quickly. It can take up to three months for diesel fuel to biodegrade, and during this time, it continues to break down the asphalt. By the time it has biodegraded, the diesel fuel has already caused significant damage to the pavement.

In addition to the environmental and safety concerns, diesel fuel can also ruin the integrity of the asphalt mix. It can cause the asphalt to become soft and squishy, leading to potholes and other issues. Due to these problems, many asphalt plants and state departments of transportation (DOTs) are prohibiting the use of diesel fuel as a release agent.

To avoid the issues caused by diesel fuel, many companies are turning to alternative products like PavePro. PavePro is a biodegradable, non-flammable, and non-combustible asphalt release agent that does not affect the integrity of the asphalt mix. It is also cost-effective and performs better than diesel fuel.

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Diesel fuel is illegal to use as an asphalt release agent

Asphalt is made of bitumen, a product of fractional distillation when crude oil is split into naphtha, petrol, diesel, and other products. Diesel and bitumen are both hydrocarbon chains, with bitumen having longer chains. As they are both non-polar substances, bitumen dissolves into diesel. This is why spilling diesel on asphalt turns it squishy.

Diesel fuel is a stripping agent and solvent that breaks down the bitumen within asphalt. It penetrates the bitumen and separates it from the aggregate, causing crumbling, cracking, and a shortened lifespan of the pavement. This process continues even after the mix is laid, with the leftover diesel fuel continuing to affect the pavement for up to two or three months. The diesel fuel biodegrades slowly, allowing it to wreak havoc on the asphalt, disintegrating it, and reducing its lifespan.

The use of diesel fuel as an asphalt release agent is banned under multiple federal laws in the United States, including the Oil Pollution Act, the Clean Water Act, and the Resource Conservation and Recovery Act. These laws impose hefty fines on contractors found in violation. The use of diesel fuel poses safety risks due to its flammability and potential to cause explosions, damaging equipment, and endangering workers' lives.

Alternative products, such as PavePro and PavePro Green, are recommended as asphalt release agents. These products are safer, more effective, environmentally friendly, and compliant with federal regulations. They do not affect the integrity of the asphalt mix or mat and are cost-effective, requiring less product to achieve better results.

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It has a low flash point, quickly becoming a dangerous gas

Diesel fuel is a popular asphalt release agent in the paving industry. However, it has a low flash point of around 125-130°F, which means it quickly becomes a dangerous gas. When diesel fuel comes into contact with hot metal, it immediately starts to steam up and evaporate. This is problematic as it means the diesel fuel is no longer serving its purpose as a release agent, as it has evaporated.

The low flash point of diesel fuel is a serious concern due to the risk of combustion and explosion, which can damage equipment and cause harm to workers. This is not an uncommon occurrence, as there have been reports of asphalt plant explosions, hot box blasts, and other dangerous scenarios caused by diesel fuel combusting.

The National Transportation Product Evaluation Program (NTPEP) was formed to help DOTs and contractors test products for their effectiveness and safety, ensuring that projects are completed using safe and effective products. Diesel fuel does not pass the NTPEP's Asphalt Stripping Test, as it strips the asphalt cement from the aggregate, causing mix degradation and shortening the project's lifespan.

Due to the risks associated with diesel fuel, asphalt plants are prohibiting its use as a release agent, and DOT inspectors are cracking down on contractors who continue to use it. There are now legal consequences for using diesel fuel, with federal acts such as the Oil Pollution Act, the Clean Water Act, and the Resource Conservation and Recovery Act forbidding its use and imposing hefty fines for violations.

Overall, the low flash point of diesel fuel, coupled with its destructive effects on asphalt, makes it a dangerous and undesirable choice as an asphalt release agent.

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Safer, more effective alternatives to diesel fuel exist

One of the main problems with diesel fuel is that it doesn't biodegrade. This causes issues over time, as the diesel fuel left on the pavement slowly breaks down the asphalt, leading to crumbling, cracking, and a shortened lifespan of the pavement. Additionally, diesel fuel has a low flashpoint, typically around 125°F to 130°F, which means it can easily combust or explode under certain conditions, posing a significant risk to workers and equipment.

PavePro is a superior alternative to diesel fuel. It is 100% biodegradable and made from all-natural ingredients, making it environmentally friendly. PavePro also has a higher flashpoint than diesel fuel, reducing the risk of combustion. It is a powerful asphalt release agent that is long-lasting and effective in preventing asphalt buildup. Crews using PavePro have reported better results and have not switched back.

Another alternative to diesel fuel is citrus-based products. However, these can be expensive and less effective, with a lower flashpoint than diesel fuel, making them more dangerous.

Frequently asked questions

Diesel fuel acts as a solvent, breaking down the bitumen within the asphalt. This causes crumbling, cracking, and a shortening of the pavement's lifespan.

Asphalt is made of bitumen, a crude oil derivative. Diesel is also a crude oil derivative, and when the two mix, the bitumen dissolves into the diesel. This causes the asphalt to become squishy and break down.

One alternative to diesel fuel is PavePro, which is 100% biodegradable and DOT-approved. It is also non-flammable and non-combustible, making it safer than diesel fuel.

Yes, diesel fuel is illegal to use as an asphalt release agent under three federal acts: the Oil Pollution Act, the Clean Water Act, and the Resource Conservation and Recovery Act. These acts impose fines of hundreds of thousands of dollars for non-compliance.

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