The first is the noise, which can be considerable. Crews working around a pile driver should wear ear protection and communicate using radios or hand signals. The second is the potential for serious injury.
Workers should be cleared from the work area below the pile driver when it is in operation, and pile driver operators should be trained in safety techniques so that they can operate the equipment safely.
Like all construction equipment, a pile driver should be well maintained to avoid equipment failure, which may lead to injury or delays in construction. Ever since she began contributing to the site several years ago, Mary has embraced the exciting challenge of being a researcher and writer. Mary has a liberal arts degree from Goddard College and spends her free time reading, cooking, and exploring the great outdoors. The construction of highway systems, bridges and other building projects that require a deep foundation and support also rely on piles.
Micro-piles, or mini piles, might be used for this type of structural support and are commonly made of steel. Pile drivers are large mechanical devices operated through hydraulics, steam power or diesel fuel.
The large weight drives the pile into the earth. It is raised like a hammer and then, when it reaches the designated high point, it is released and the force of it falling drives the pile into the ground. Pile drivers can be static or mobile, depending on the amount of force needed and requirements of the job site. As with cranes and excavators, pile drivers come in different shapes, sizes and designs, offering flexibility for specific tasks.
Below we look at some of the most common pieces of equipment used for creating foundation supports. Through the utilization of diesel fuel, the hammer acts like a very large engine.
A crane hoists the weight, which acts as a large piston. Hoisting allows air to flood into the cylinder, or pile, below. When the fuel is added and injected, the weight drops quickly. These are used to prevent the softer soil at the surface from collapsing.
Sheet piling is commonly used when constructing tunnels, dams, retaining walls and walls for flood protection. Sheet piles are also used for the building of water treatment facilities as well as any structure that is being built on the waterfront. The method of driving sheet pile is different from driving permanent piles.
Once the proper pile driver has been selected, place the sheet piles on the location. When the piles are driven into the ground, they may not go all the way in. It is important to drive the pile in as far as it will go. The excessive material will then be cut off. The joints of the sheet pile must be inspected to see that they are interlocking.
If they do not interlock, they will need to be removed and replaced. Remember that the sheet piles will be used as supporting walls, so it is very important that they are installed correctly. When being used to retain water, it is imperative that all joints interlock or the structure will be compromised. Pile driving hammers are the best machines to install the sheet pile. Hydraulic hammers tend to work best, driving the piles deep into the ground the first time around.
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