Specific gravity of asphalt chips, weight of 1 m3 of asphalt chips, density of asphalt chips and table of values

Chips made of asphalt are widely used in construction projects, particularly those involving driveways and roads. They are a great option for both small-scale residential applications and large-scale infrastructure due to their affordability and durability.

For everyone involved in construction, knowing the weight, density, and specific gravity of asphalt chips is essential. These characteristics affect the overall structural integrity and functionality of the completed surface as well as how much material you’ll need for a project.

The weight of one cubic meter gives an approximate idea of the material’s bulk density, while specific gravity measures the density of the asphalt chips in relation to water. Conversely, density contributes to our understanding of how compact the asphalt chips are, which influences their strength and longevity.

We’ll go into great detail about these important asphalt chip qualities in this post, along with giving you a thorough table of values for quick reference. Whether you’re a do-it-yourself enthusiast or a professional contractor, having this information at your disposal will help guarantee the success and efficiency of your project.

Property	Value
Specific Gravity of Asphalt Chips	2.5 – 2.7 g/cm³
Weight of 1 m³ of Asphalt Chips	2,500 – 2,700 kg
Density of Asphalt Chips	2,500 – 2,700 kg/m³

What does the asphalt grade reflect?

The asphalt grade can categorize asphalt concrete mixtures using a number of fundamental factors, including:

• Composition – reflects the possible type of base material;
• Density – determines the level of density/porosity;
• The principle of dilution of bitumen in the composition – reflects the required conditions during installation;
• Type – indicates the percentage content of rocks in the composition.

Detailed information regarding the primary characteristics of asphalt concrete mixtures is provided following the grade description.

• High-density;
• Dense types A, B and G;
• Porous;
• Highly porous crushed stone.
• Cold mixtures can be types Bx, Vx, Gx.

These mixes may include mineral powder and can consist of hot or cold crushed stone, gravel, and sand.

Asphalt concrete grade 1 can be laid at different levels and used for a variety of applications, depending on the way the density, granularity, and main filler are combined.

If the asphalt concrete mixture is used for its intended purpose, grade I asphalt indicates high resistance to external factors.

• Hot crushed stone asphalt of the 1st grade with high density will contain at least 40% rock filler, which will provide high strength and the ability to lay the material on roads of any category.
• Porous types of hot and cold asphalt with a high rock content will be the best option for the inner layers of the road surface.
• Sand asphalt of this category is optimal for the construction of pedestrian zones, however, intersections with sand mixtures of grade III are possible.

• High-density;
• Dense types A, B, C, G and D;
• Porous;
• Highly porous sand.
• Cold mixtures can be types Bx, Bx, Gx, Dx.

These mixtures can also consist of hot or cold crushed stone, gravel, and sand; the composition may also contain mineral powder.

Grade 2 asphalt is the most popular and widely available type, even though it suggests an average quality of asphalt mixtures included in it. While not as strong as grade I equivalents, the materials’ resistance to mechanical and environmental factors will still be high.

This is because not all coating types require the highest possible level of physical and mechanical properties. Ordinary city roads and sidewalks are frequently built with II grade asphalt.

Second-grade asphalt concrete mixtures are used to build most city road surfaces, including squares, sidewalks, and highways.

• Dense sand mixtures of types B, V, G and D.

These mixes are significantly weaker than crushed stone and gravel alternatives, even though they have a higher density. Nevertheless, a variety of additives can be added to partially offset the lack of strength.

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Classification of asphalt mixture

Asphalt is classified into several groups based on its density and structure:

• Class A1 is used for laying the road surface of motorways, highways (first and second order routes). The components are sand, crushed stone, bitumen 7 percent, mineral additives 4 percent. The bulk density is 1700 kilograms per 1 m3, it is easily compacted, does not spread under heavy loads, and is not afraid of high temperatures.
• Class A2 is used for laying the surface of federal and regional highways, access roads. The main components are medium-sized crushed stone, sand, 5% mineral powder, 20% crushed screenings. Due to its high porosity, it has good elasticity.
• Class A3 is recommended for laying secondary road surfaces due to its low performance indicators. Asphalt weight is no more than 1300 kg per 1 cubic meter. The asphalt mixture does not contain crushed stone, and only 3% mineral powder. The main indicators are porosity and low strength.

You should know the weight of one cubic meter of asphalt in order to calculate the strength of the next coating. Strong – over 1300, low – 900–1300.

Why do you need to know the weight of 1 cube of asphalt?

To complete paving work, one must be aware of the required amount of material. You must ascertain the composition’s weight in kilograms and the asphalt concrete mixture’s specific gravity in order to accomplish this. Determine the consumption value by dividing the mass of the material by its specific gravity.

You can find information about asphalt indicators at the manufacturer or in specific tables. One cubic meter has an average density of 1,200 kg.

With the use of this information, you will be able to accurately calculate costs and prevent delays in the process of installing asphalt concrete. Avoid unforeseen transportation expenses and delayed plan completion.

It is also helpful to know this information when working in private courtyards.

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Weight of asphalt concrete depending on the type of coating

Type of asphalt coating	Units of measurement	Weight in 1 m 3
Natural asphalt	kg	1100
Cast asphalt	kg	1500
Compressed asphalt	kg	2000
Asphalt concrete	kg	2000−2450
Fine-grained	kg	2330
Asphalt granulate (black crushed stone)	kg	1600−1800
Asphalt chips	kg	1800−2000

The thickness of the coating layer that is applied and potential shrinkage must be considered when designing a future road. The state standard governs each of these values.

How many tons in 1 cube of asphalt? Weight in 1 m3

The most frequent query we receive is this one: how can the volume of asphalt be determined if the mass in tons is known? First of all, the calculation is always given in tons because this material is produced at the plant and is only loaded into dump trucks that are standing on scales that can measure an individual’s weight to the nearest gram! In the event that you still require the volume, keep in mind that the mass (weight) of asphalt concrete varies slightly based on the type and brand. The mean value is:

• One cube of asphalt (1m3) weighs approximately 2.2 – 2.3 tons

Working with this material will likely require specialized tools.

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How to calculate the amount?

The key requirement for getting a good coating is having crumbs that are thick enough. The area of the road that needs to be filled in and the necessary coating thickness are taken into consideration when determining the quantity of material.

After compaction, a straightforward formula—coating area × 0.2—is applied to produce an asphalt layer that is 10 cm thick. In this instance, the coefficient chosen for secondary roads is 0.2. For instance, you would need to take 100 × 0.2 = 20 m3 of crumbs to cover 100 m2 of such a road.

This amount will yield a 20 cm thick layer. The layer will half after roller compaction, which satisfies the requirements. The layer will reduce by 1.5 times when compacted by the wheels of passing cars or a vibrating plate.

Using a smaller coefficient of 0.15, the amount of crumbs for main roads is determined. It will matter for a comparatively level road with at least a crushed stone surface that has been compacted. In order to achieve the necessary asphalt thickness per 100 square meters of road, 15 cubic meters of crumbs will be needed.

Asphalt mass when ordering

When purchasing building supplies, the following scenario frequently arises: you are aware of the area’s measurements for asphalting, but the supplier or manufacturer specifies the cost per kilogram (or ton). This is particularly valid for cold asphalt, which is frequently offered for sale in 25, 30, and 50 kg bags. However, when ABS is compressed, its volume also decreases. This is something else that must be considered.

How can I place the right kind of material order? You’ll need to do some counting here.

To do this, you must be aware of:

• Area of ​​the asphalted area
• Desired coating thickness
• Bulk density of asphalt
• Average density of asphalt

There are two methods you can use to determine the amount of material based on this data.

Please take note that the only units used in the formulas below are kilograms and kg/m3. All other measurements must be converted to centimeters and g/cm3 if a value in centimeters is substituted somewhere (like the layer thickness).

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Using the mass of the asphalt concrete pavement, Method 1 calculates:

1. Calculate the volume of the finished pavement using the formula:
   If you do not know what the thickness of the asphalt layer should be in your case, use our recommendations below.
2. Determine the mass of the laid asphalt using the formula:
   You can find out the average density of the mixture after compaction from the manufacturer or supplier of asphalt to whom you plan to contact. If you don’t yet know what kind of ABS you will order, you can take the approximate values ​​that we will give below.
3. Calculate how much bulk material will be needed to lay a coating of this mass:
   You can also find out the bulk density of the mixture from the manufacturer or supplier. Or you can substitute the approximate value that we will give below.
4. If necessary, you can convert this volume into mass using the formula:

You can use our calculator to make calculations easier.

The second method involves computing using the compaction coefficient.

1. Determine how much the density of ABS changes during compaction using the formula:
   You can find out these values ​​from your supplier or use the approximate figures we provide below.
2. Calculate the volume of finished coating:
   Recommendations for choosing asphalt thickness are given below.
3. Find the volume of asphalt concrete mixture that will be needed to produce asphalt with the given parameters:
   It must be greater than the volume of the finished coating. If it turned out to be less, you probably mixed up the average and bulk density in point 1.

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Most likely, the manager of the supplier will do all of this math for you when you place your asphalt order. But knowing what’s what will also be helpful.

You can enter approximations in the formulas if you are only estimating the scope of the work and are unsure of the materials you will use.

You can use the following numbers to calculate the bulk and average densities:

Type of asphalt	Bulk density	Average density	K
Coarse-grained asphalt	1100 kg / m3	2300 kg / m3	0.48
Fine-grained asphalt	1300 kg / m3	2400 kg / m3	0.54
Sand asphalt	1500 kg / m3	2700 kg / m3	0.56
Asphalt chips (asphalt cutting)	1700 kg/m3	2000 kg/m3	0.85

We have included a picture of the same table below for your convenience:

If you’re unsure of the coating thickness you require, follow these suggestions:

• For sidewalks, pedestrian paths, and areas on the site – 4 cm (0.04 m)
• For driveways, parking, and garage floors – 6 cm (0.06 m)
• For the top layer of the road – at least 8 cm (0.08 m)

In any event, the maximum grain size in the mixture should be 1.5–2 times the layer thickness. Consequently, it is preferable to use fine-grained asphalt with particles no larger than 2 cm in diameter when landscaping a house plot.

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Asphalt weight when cutting

Before performing repairs, you must also know the weight of the asphalt concrete in order to mill, or cut, the old road surface.

In this instance, the weight determines the following:

• Selection of cutters for cutting asphalt
• The number and load capacity of transport required to remove scrap

Everything here affects the cost of this kind of work. Additionally, the price of asphalt will change if previously used asphalt is recycled into chips.

A common formula can be used to determine the coating’s mass:

We calculate the average density for a given coating. Approximate values are insufficient in this case. In order to do this, samples, or cores, are taken out of the coating and sent to the lab for analysis. In the first part of this article, we went over how to calculate asphalt’s bulk density.

A cubic meter of asphalt has a mass of one. Asphalt is a multifaceted construction material that transforms from a loose mixture to a solid monolithic layer during various phases of production and use. Different types of density are distinguished in order to provide a better description of this process.

The following conclusions are reached regarding asphalt concrete and ABS:

• Bulk density
• Maximum (true) density
• Maximum (true) density of the mineral part (framework)
• Volume (average) density
• Volume (average) density of the mineral part (framework)

Every one of these indicators has a unique way to measure it. They can be used independently or in conjunction with other asphalt properties such as homogeneity, air void content, compactability, and degree of compaction. The product of the bulk density and volume of loose ABS yields its mass. You must multiply the volume and average density of the laid road surface to determine its weight.

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Differences in laying technology

Assessment parameter	Hot asphalt	Cast hot asphalt	Cold asphalt
Strength	High	High	Average
Other physical and mechanical characteristics	High	High	Average
Service life	Long	Long	Average
Mixture temperature during laying	110-130-150°C	190-220-250°C	not lower than +5°C
Temperature of the underlying layer during laying	not lower than +5°C	not lower than +5°C	not lower than +5°C
Air temperature during installation	not lower than +5°C	not lower than +5°C	up to -10°C in emergency cases up to -25°C
Need for compaction	Requires compaction	Gains strength on its own	Requires compaction
Can it be laid on roads	Yes	Yes	Not desirable
Can it be used for pothole repairs	Yes	Yes	Yes
Cost	Acceptable	High	High

In order to guarantee that the bitumen in the mixtures is sufficiently liquefied, hot and cast asphalt must be heated while being laid. Solvents are used to liquefy cold mixtures so they can be used at below-freezing temperatures.

The cost of a hot asphalt cube is more advantageous than that of a cold mixture. It is inaccurate to compare the same volume of cast asphalt concrete with it, as the latter has less porosity and a liquid consistency at first. Hot asphalt concrete will yield higher profits per square meter than cast concrete.

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Any construction project using asphalt chips requires an understanding of its specific gravity, weight, and density. These characteristics dictate the amount of material required and its performance in different scenarios. Precise measurements guarantee the longevity and steadiness of the pavement or building.

Asphalt chips’ specific gravity aids in determining the material’s weight, which is essential for application and transportation procedures. Understanding the weight of one cubic meter of asphalt chips facilitates more accurate cost estimation and planning, preventing excess and shortage of materials.

Density is another crucial element that influences the asphalt’s overall strength and compaction. A surface with high-density asphalt chips is usually more resilient and long-lasting. Construction professionals can make well-informed decisions and attain optimal project outcomes by consulting tables of values.

In conclusion, understanding these characteristics of asphalt chips results in more productive and successful building techniques. Builders can guarantee the best possible quality and performance for their projects by paying close attention to specific gravity, weight, and density.

It’s crucial to comprehend the weight, density, and specific gravity of asphalt chips when working on construction projects that include paving and fixing roads. This article gives a concise summary of these characteristics and explains how the material’s performance and application are affected by them. With the help of clear instructions and a helpful table of values, you can calculate and use asphalt chips in your projects with ease.

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