A Solar Helical Pile/anchor (screw pile) foundation’s bearing capacity increase when it is driven into the granular soil because the adjacent mass of soil is compacted around the pile. Piles can be made of best quality steel and are driven into the ground vertically or at a predetermined angle when laying the pile foundations.
Pointers of Good Quality screw piles?
1. Rapid Installation
Screw-piles & helical anchors are usually installed using conventional construction equipment such as a track excavator or a mini-excavator equipped with an appropriately sized low speed high torque hydraulic motor. A good quality screw pile would be completely hassle free to install!
2. Immediate Load Carrying Capability
Screw-piles and helical anchors are unique among most other types of foundations or anchoring systems such that they can be loaded immediately after installation. There is no need to wait for concrete or grout to harden.
3. Minimal Site Disturbance
Relative to most other types of construction activity involving the installation of driven piles, drilled shafts or other anchoring systems, the installation of screw- piles and helical anchors produces little to no disturbance of the site. Specifically, the installation of screw-piles and helical anchors typically produces no soil cuttings. This keeps the site clean, requires minimal cleanup at each installation location after installation, and usually means lower project costs.
4 Installation Monitoring and Verification of Load Capacity During Installation
One of the most important features of screw-piles and helical anchors is the verification of load capacity during installation.This is possible by using a direct in-line torque measuring device that measures the installation torque as the pile/anchor advances into the ground.
5. Installation at Remote Locations or at Sites with Limited Access
Screw-piles and helical anchors are well suited to projects located in remote areas where mobilization costs tend to be high and other construction support services are limited or may not be readily available. Some project sites are congested or have limited access for construction equipment.
The advantages make using screw piles a very cost-effective alternative to traditional foundations!
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