What is ASTM No 57 stone?
#57. Crushed stone #57 refers to stone that is about ¾”. This is typically used for concrete mix, landscaping and drainage.
What size aggregate is #57?
1 to 0.19 inch
A #57 aggregate (combining the gradation of #5 and #7 aggregates) ranges from 1 to 0.19 inch (No. 4 sieve—25 to 4.75 mm) and has the following gradation (amounts finer than the given sieve size): 1½-inch sieve—100% passing; 1-inch—95 to 100%; ½-inch—25 to 60%; No. 4 sieve—0 to 10%; No. 8 sieve—0 to 5%.
What does 57 mean in gravel?
AASHTO #57 rock is a crushed stone grade that is gravel-like and made from a blend of stones five, six and seven. It comes from natural rock, so the pieces are jagged and angular.
What size rock is 57 stone?
½ to 1-1/2 inch
57 stone has an average size of ½ to 1-1/2 inch and is a sound, hard naturally occurring material. 57 stone aggregates may contain, gravel, granites, limestone, dolomite, and sandstone.
What is another name for #57 stone?
#57 Concrete, also known as recycled crushed concrete, is an eco-friendly material that is not only economical in price, but can also be used in a variety of landscaping projects. SLM offers sturdy and versatile crushed concrete Tampa Bay homeowners and landscapers look for.
Does 57 gravel need to be compacted?
So rather than compaction tests, #57 stone should have it’s individual stone facets properly oriented using a plate compactor, jumping jack, or other vibratory compaction devices. Using compaction equipment, #57 stone will typically compact about one inch in vertical height, which is equivalent to about 8% settlement.
Why is it called 57 rock?
A crusher breaks down the rock into various sizes. Crushed stone varies in size. The number “57” is a number that refers to the size sieve that was used to screen and sort the stone. It means that the stone was put through the #57 sieve which produces gravel stones of about 1” to 1.5” in size.
Is 57 gravel good for a driveway?
57 GRANITE
Because of the size and shape of this gravel your tires can spin a little when driving through, but does provide excellent drainage for a driveway. This is a very popular option and looks really nice when spread.
Is #57 stone self compacting?
AASHTO #57 (coarse aggregate stone has 100% passing 1-1/2″ screen, 95-100% passing 1″ screen) is an open-graded, self-compacting aggregate blend of size 5, 6, & 7 stone. This material cannot be ‘compacted’ in a true sense, but can be properly oriented with compaction equipment.
What is 57 rock used for?
Common Uses For #57 Stone
#57 stone is one of the most commonly used types of crushed stone due to its versatility. It is ideal for a variety of projects. It is used as aggregate in concrete. It works well as a base for building sidewalks, asphalt roads, driveways, and railroad ballast.
What is the best aggregate to use for a driveway?
These are the best options for driveway surfaces gravel, because they are small stones combined with rock dust, which makes a more solid driving surface.
- Crushed Stone #411. It is crushed up #57 stone combined with rock dust.
- Quarry Process.
- Pea Gravel.
- Jersey Shore Gravel.
- Marble Chips.
- Blackstar or Blacktrap Rock.
Why is it called 57 stone?
What is the compaction rate of 57 stone?
about 8% settlement
Using compaction equipment, #57 stone will typically compact about one inch in vertical height, which is equivalent to about 8% settlement. This can be visually observed and verified.
What is the cheapest gravel for a driveway?
Cheapest gravel for driveways. The cheapest gravel for driveways is crusher run, crushed shells, crushed concrete, slate chips, recycled asphalt, and pea gravel, which all cost $15 to $30 per yard, or less than $1 per square foot when purchased in bulk from a quarry.
What do you use 57 stone for?
Does 57 stone need to be compacted?
How deep should driveway gravel be?
The depth of the gravel can vary, but should be at least 4 to 6 inches. To determine this measurement in feet, divide the number of inches by 12 (for example, 6 inches is 0.5 feet). If you plan to do two to three layers, each layer will need to be 4 to 6 inches thick, so you will to calculate each layer separately.
What is best gravel for driveway?