difference between hl3 and hl3a asphalt

means a hot mix asphalt (HMA) course between a surface course and either a granular base course or stabilized base course, an existing pavement, or another HMA binder course. Blending Aggregates means any coarse or fine aggregate that is added to HMA in order to produce hot

Sep 30, 2011· What is the difference between HL3 and HL3A asphalt? difference betweeen HL3 and Hl3A. What is difference between road tar and asphalt? Road tar is made from coal. Asphalt is a heavy fraction of ...

Free online asphalt calculator to help you estimate how much asphalt you need for your construction project - road, private driveway, car park, etc. Output in weight and volume: tons, tonnes, cubic yards, cubic meters, etc. Basic information about asphalt (tarmac) and tips on calculating how much you need. Online tarmac calculator.

Jan 30, 2020· There are two main types of asphalt: HL3 and HL3A. ... Is there a difference between blacktop and asphalt? Asphalt generally refers to major highways and streets, whereas, ... Other sources estimate the cost to install an asphalt driveway to be between $2,300 and $10,300. Homeowners typically pay per square foot.

Reclaimed Asphalt Pavement (RAP) means the processed HMA material that is recovered by partial or full depth removal. Referee Testing means testing by an independent laboratory selected by the Owner and acceptable to the Contractor, the results of which are …

On average, one ton of asphalt can cover between 80 to 100sq feet. This is based on types of asphalt such as HL3, HL3A and HL2, which are the kinds of asphalt used on ordinary driveways. Of course, the thickness of the asphalt you lay will determine how much land you can cover with one ton.

A New Approach to Asphalt Mix Design. Rather than a specific process or procedure, Superpave is a performance-based specification for asphalt binder and volumetric mixture design. The idea was to allow asphalt pavement designs that could handle the unique weather and traffic conditions of a given site in any geographic area of the U.S.

Jul 19, 2019· If you are having a new parking lot installed, you may be wondering how long does asphalt take to cure. It is important to understand that there is a difference between asphalt cure time, and asphalt dry time. While asphalt takes approximately one year to fully cure, you can typically walk/drive on your new parking lot within 2-3 days.

2.1 Materials .1 Asphalt used on this project shall consist of the following types:.1 HL3 Surface Course - Asphalt Cement 5.0% to 7.0% by weight to be used on asphalt pathway and as top coat layer on parking area..2 HL8 Base Course - Asphalt Cement 4.5% to …

7 Expanding the Realm of Possibility 13 Pavement Design Methods There are many different design procedures in use around the world The theory behind the design procedures varies immensely between agencies A variety of different techniques exist and they are generally categorized as: zEmpirical zMechanistic zMechanistic-Empirical Expanding the Realm of Possibility

Jul 06, 2014· I understand the differences between HL3 (more durable) vs HL3A (smoother) but can someone show me up-close (and at a distance) differences between Asphalt Driveway: HL3 vs HL3A Picture Differences, Please - RedFlagDeals.com Forums

(e) the permit holder may be required to place a forty (40 mm) millimetre lift of hot mix HL3 asphalt over the roadway in addition to the road cut reinstatement. This shall be undertaken to the limits directed by, and to the satisfaction of the General Manager; CONCRETE SURFACE . 13.

An asphalt driveway costs between $3 and $4 per square foot, on average. The base coat costs between $1 and $2.50 per square foot. Top coats and sealants also cost another $1 to $2.50 per square foot. You'll need 8" to 10" of gravel for your foundation, which adds another $1 to $2.50 per square foot.

Sep 13, 2017· HL3 (HL3A?) after compacting 2" Parking lots are constructed with 4" of asphalt: 2" of HL8 and 2" of HL3. No need to go beyond that. Your driveway isn't as busy as they are. Most driveways are only 2". Your base is more important as previously mentioned.

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Jul 18, 2020· There are two main Asphalt types: HL3 and HL3A. For most driveways HL3A is preferred because it is smoother, but more soft especially in summer. For streets and highways HL3 is preferred as it lasts longer. It has more cement and less sand in the …

Apr 09, 2015· The difference between HL3 and HL3A is simply the amount of sand in the mix. The more sand in the mix, the softer and smoother the driveway will be. The more 13.2 mm aggregate used in the mix, the stronger and more durable the driveway will be. This means that HL3 is …

Average Cost to Pave a Parking Lot. New parking lot construction costs on average between $2.50 and $7 per square foot for both materials and labor. Expect to pay between $2.50 and $4.50 for asphalt or $4 to $7 for concrete.. Total costs vary drastically based on the size of the lot, ranging anywhere from $10,000 for a 10 car space with 4,000 square feet to $700,000 for a 300-car area covering ...

An existing asphalt surface is the best base for new asphalt. HL3 is preferred for streets and highways since it lasts longer. ... HL3A is preferred for most driveways because it is smoother, but softer especially in summer. Asphalt Driveways. ... Is there a difference between asphalt and blacktop? A low maintenance pattern imprinted driveway ...

Asphalt Mix For the Right Road Clark Morrison Pavement Management Unit . What is the Difference Between Asphalt Surface Mixes? SF9.5A S9.5B S9.5C S9.5D . As you go from A to B to C to D: •Liquid AC gets stiffer •AC content generally decreases As a result: •Resistance to rutting increases

Jul 27, 2008· This depends on what size the stone is in the asphalt. Often on driveways or parking lots a HL3, HL3A(Fine), or HL2(driveway) mix is used, In this cases 1 ton of asphalt will cover ~85-90 sqft at 2.5inches thick... 2.5inches is measured pre-compression, after compression with a 3/4 ton to 2 ton roller there should be approx 2 inches (or just over). There are things that can change this ...

Depends on the type of asphalt your using. HL8 HL6 HL4 HL3 HL3A HL2 The "HL" stands for Hot Load, the number tells you the size of stone used in the batch. Most asphalts are made of 3 main components. Stone, sand, and liquid asphalt. Although a driveway mix like HL3A should also contain dust. (Makes the driveway look smoother then the roadway)

The difference between HL3 and HL3A is simply the amount of sand in the mix. The more sand in the mix, the softer and smoother the driveway will be. The more 13.2 mm aggregate used in the mix, the stronger and more durable the driveway will be. This means that …

Apr 10, 2015· The difference between HL3 and HL3A is simply the amount of sand in the mix. The more sand in the mix, the softer and smoother the driveway will be. The more 13.2 mm aggregate used in the mix, the stronger and more durable the driveway will be. This means that HL3 is …

Asphalt driveway thickness depends on the soil that's being paved on and the industry standards of the region you live in. What is the soil like in the region you live in? Here in Denver Colorado, we have two types of soils we pave on. The first, on the front range, the soils tend to be expansive soils so most contractors excavate and install 3 ...

Apr 10, 2017· HL3A is preferred for most driveways because it is smoother, but softer especially in summer. HL3 is preferred for streets and highways since it lasts longer. It has more aggregate and less sand in the mix making it more durable, but not as smooth as HL3A. The edge of asphalt must be angled slightly, not perpendicular to the ground. Mr.

Jan 14, 2019· The difference from the first two with the open-graded mixes is the permeability characteristic. This hot mix asphalt is designed only with crushed stone and a few grains of sand in the mix. There are two major classifications of this type of mix:

Asphalt or Surface Treated Surface: (a) Final reinstatement of the road cut shall be undertaken within thirty (30) days of backfilling, and unless otherwise specified by the General Manager, by resurfacing with, (i) a wear course of hot mix HL3 asphalt to a minimum thickness of forty (40 mm) millimetres; and

Mar 31, 2020· Well, in reality, asphalt driveways can be 2 inches, 4 inches, or even up to 9. So, without further ado, let's take a detailed look into Asphalt Paving Thickness to know what you might need to consider when getting a new driveway. -11 inches thick. The final choice depends on the specific use of the driveway and what you're looking for in ...

At least one week prior to the commencement of the asphalt paving work, the Commissioner will provide the Contractor with the preliminary design mix proportions and properties for each hot mix type to be used. Material Specification for Hot TS 1150 – June 2001 Mixed, Hot Laid Asphaltic Concrete Page 5 of 20 . TABLE 1 HOT MIX TYPES.