Pros And Cons Of Screw Piles
Posted On March 10, 2017
For a construction project to succeed, one factor is a good strong foundation. The soil condition at each site will vary and therefore, you need to choose the right foundation that will be a perfect fit. In this article, we will be looking at the advantages and disadvantages of screw pile foundation. It can be applied to a variety of situations. There are two types of foundations, namely, shallow and deep foundations. Screw piles fall into the latter category. Deep foundations are used when there are larger loads to be maintained at a site with poor soil conditions.
Screw piling has plates welded spirally around the central shaft. You will need earth moving equipment that has rotary attachments for the installation. The process has to be done carefully to ensure maximum effectiveness of the pile. The main advantage is that this process is quick and simple when compared to most foundation types. You can install this with a variety of different equipment therefore, there is flexibility when it comes to the selection of equipment. It’s a versatile foundation type for many construction projects. It can be used when you have limited access to a site or when the site is located somewhere that can’t be reached easily. You can even use them when there is very limited headroom or narrow entrances.
You can use a screw piling contractors who has a lot of experience in screw piles in this process. The site will experience minimal disturbance when screw piles are installed as there are no soil cuttings required for the operation. This will decrease project costs as you don’t have to clean up the site very often. There are also a minimal number of vibrations that are caused by the installation that means this operation will cause very little noise. Therefore, it is ideal in situations where there are existing structures around.
As they are constructed quite speedily, the rest of the construction can begin shortly. This is further facilitated by the fact that you can load the screw piles immediately after installation. You can increase the load capacity of the piles by using a few simple modifications as well which adds to the versatility of the pile. But this pile can only be used in soil conditions that contain a maximum grain size which is smaller than 60% of the helices pitch. They will not do well in gravel or cobble deposits and they are unsuitable for rocky conditions most of the time. The contractor should choose the right equipment when it comes to the installation. If the equipment isn’t up to standard, the pile may not function very well. There are also structural limitations given by the manufacturer that you should heed.