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How Pavers and Retaining Wall Blocks are Made - Did You Know?
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- เผยแพร่เมื่อ 22 มิ.ย. 2020
- EQUIPMENT NEEDED FOR AVERAGE PAVESTONE PROJECT:
*Gloves and Safety glasses
*Nylon mason’s string
*Wheelbarrow
*2 each, long tape measures
*Hacksaw
*Broom
*Lumber 2, 10’ straight 2’X4’
*Carpenter’s chalk line
*Rake
*Sledge hammer/Heavy rubber
*Wooden or metal stakes or plastic mallet
*Carpenter’s level
*23- 8’ lengths of 1” steeL
*Pick, if ground is hard electrical conduit pipe
RENTAL (IF YOU DON'T HAVE THESE TOOLS)
Gas powered plate compactor
Guillotine type stone cutter or masonry saw for complete cuts
Roto-tiller
MATERIALS LIST
Sand: 1 cubic yard of very coarse concrete sand for every 200 square feet of project. (3-40 lb. Bags per 10 sq. ft.)
Base Material: Vehicular Traffic: 1 cubic yard of crushed limestone or Reclaimed concrete (very fine) for every 80 square feet of project at 4 in. depth.
Pedestrian Traffic: 1-94 lb. Bag Portland Cement for each 30 sq. ft. of project for tiling into existing subgrade.
Edge Restraint: 1-94 lb. Bag of Portland Cement for every 25 feet of concrete Toe. Add the equivalent of a 3 to 1 ratio, sand to Portland, to your sand Order.
SEVEN BASIC STEPS TO INSTALLING YOUR OWN PAVESTONE PATIO OR WALK
STEP 1- SITE PREPARATION AND EXCAVATION
STEP 2- PREPARE THE BASE
STEP 3- SCREED THE SAND
STEP 4- LAY THE PAVERS
STEP 5- CUT THE PAVERS
STEP 6- EDGE RESTRAINT
STEP 7- COMPACTING
A HISTORY OF PAVING STONES
The Romans were the first to use hand-hewn paving stones. The 50,000-mile network of roads constructed by the Romans had to withstand heavy traffic and harsh conditions. Many of the paving-stone roads constructed by the Romans over 2,000 years ago are still in existence today.
During the extensive reconstruction of Europe following World War II, paving stones experienced a renaissance. Engineer Fritz Von Langsdorff developed a choice of shapes and integrated colors for concrete pavers that featured tremendous pressure resistance and low moisture content.
To enhance performance and ease of installation, the interlocking containment system was also perfected. Paving stones are hemmed in by a permanent edge restraint and placed in geometric patterns on a bed of sand over a compacted base. Small ribs on each paver maintain exact spacing so additional sand can be swept between joints before compacting to achieve lock-up.
Although concrete paver usage in the United States has not yet reached European, Canadian or Australian levels, rapid acceptance by design and engineering professionals has created a remarkable market for this type of paving over the last 20 years.
Typical pavers are engineered to endure at least 8,000 pounds of pressure per square inch-three times greater than the compressive strength of typical concrete flatwork.
Water absorption is rated at under five percent.
An experienced team using automated equipment can cover up to 5,000 square feet a day.
TYPICAL USES:
Walks, patios, driveways, roadways, airport holding areas for jets, parking lots, marinas, golf course cart paths, street medians, levees, industrial ports and hazardous waste stations.
Specially designed interlocking blocks are used to create retaining walls.
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When I was only 18 years old, I worked with my missed father 😢 in a small size Co. My responsibilities were check the sensors and electrical control systems of Concrete block production machines. about 20 years ago in Iran we did have not enough cement and it was a big issue for me to find it at that time. It was a boring time.
Searching for a topic here, came me back 2 decades ago!
poggers
Strong and ugly for sour