Pin Piles Installation

Concrete Pin piles are also known as micro-piles or micro-piles. They are made of steel pipe casing, steel rebar and cement grout for added strength. They get differentiated because of their diameter that can range between 2-6 inches in diameter. Depending on the project, the length of pin piles can range from 5 feet to 60 feet long. The length is decided on the depth of the soil till the harder bedrock. The purpose behind using Pin piles is to strengthen the poor soil conditions and avoid settling as well as support structures that have been damaged by soil movement. The idea is to maintain support a building that has outlasted its original foundation. Based on the diameter of the pile, the load capacity of pin piles can range between 2 to 15 tons.

Pin Piles Installation

Pin piles are perfect for building foundations with physical and geotechnical restraints on sites. Commonly used for lighter load piling building projects, the design and installation of pin piles can vary. A lot depends on the project, size, and type of design and conditions of the soil. These are a very inexpensive solution used for repairing the foundation. Pin piles with a small diameter are used for smaller projects with lighter loads. It is seen that the piles can deform under heavier loads and thus lower their strength.

A pneumatic or vibratory hammer is used to drive the piles into the ground. The hydraulic impact of the hammers drives the Pin piles into the ground, and the process causes some noise and vibration. The piles can be installed severalty or in groups for the cumulative benefit. It was realized that the piles were limited because of their individual structural capacity. The poor lateral support and the weaker surficial soil was not very supple against high compressive loads. Permanent steel casing pipe has become the most commonly used pile that serves well in special circumstances.

Pin Piles often get installed in the most problematic geotechnical situations. The building foundations and underpinning take advantage of the design and installation. The optimal choice of drilling and grouting methods are used to ensure the best installation technique and meet the desired results. Rotary drilling techniques are used to install Pin Piles. The geotechnical capacity of these piles gets developed through grout to ground adhesion, and the special bond is formed under pressure grouting. Positive circulation method applies a vertical load pressure while revolving a pipe or drill into the ground. A drilling fluid is used to flush out the soil inside the casing. Compressed air, drilling mud, and water are the most commonly used material for drilling. One of the most cost-effective drilling technique for installing Pin Piles in soil is the External flush drilling, especially when there are no obstructions.

Do not derail your construction project because of weak soil or structural settlement. Contact the foundation experts and let the specialists offer you affordable solutions with the help of pin piles. Look for cost-effective engineered foundation repair solutions before you set forth any extensive and expensive demolition and excavation process.

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