Bored piers are gaining widespread popularity as an alternative construction technique these days. There are many construction service providers who provide special piers and related services. It is important for people in construction services to understand what these piers are and gain substantial knowledge about their implementation and practical use. Contractors around the globe use this technique effectively to ensure strength of their buildings. This is a greatly explored scientifically approved contemporary construction technique. Below you will be able to understand the meaning and the usage of the bored piers:
Defining The Bored Piers:
These bored piers are made out of concrete and then fitted with the help of a specific kind of bored piling instrument, which is commonly used to drill in soil. The depth can go up to 50 meters, which ensures a solid basic foundation. A definite and special contractor is required who has acquired skills that vary from conventional footing skills to deal with these piers. The piers support massive vertical loads of the contemporary sky rising high buildings. This pile cannot be displaced, as it remains attached to the ground by cohesive conditions. Reinforcements can be descended inside the bored hole and concrete is usually pumped inside for completing the entire structure. This is an anti-collapse structure.
How A Bored Pier Is Useful?
The bored pier is used mainly to support massive structures like multi-storeyed buildings or industrial complexes where robust foundations are required. These shafts can bear heavy loads up to several tons. This technique is equally popular for building bridges as well as for constructing sky high buildings. The bored piers are a popular choice amongst contractors as it provides high-end strength to the entire construction.
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The Pro Side of Bored Shafts:
These piers are advantageous in many ways compared to traditional footings.
- These are and firmly footed into the deepest layer of soil and hence are ideal for places which have disturbing soil situations or unstable soils which may swell up or can have other possible difficulties. The shaft can be drilled into earth till the suitable soil condition is reached. This is the reason why a bored pier is so extremely resistant to vertical loads compared to usual footings.
- The bored piers are versatile and come in a variety of lengths. A suitable length can be chosen based on the project requirements.
- They are able to cope up with moisture fluctuations as compared to the traditional footings.
- These are more affordable and contain better footing capacity.
- A single bored pier is capable of bearing the load of a group of traditional piles, and hence using it is more convenient.
- It is a noise free technique. The boring shafts need no hammering as they are easily operated.
- The equipments used for constructing bored shafts are comparatively light equipments than those used in pile driving.
- Ground heaving can be easily avoided when constructing bored shafts. This is a key beneficial feature of this modern construction technique.
- If the soil contains unevenness like boulders etc even, then these piers can be used.
- Its bases are open for enlargement in case increased bearing capacity is needed.
The Cons of Drilling the Bored Pier:
There are a few cons to drilling boring shafts as well as follows:
- It is very difficult to run a load test on these piers.
- If the piers are not properly supported and constructed, they can cause severe damage to the adjoining construction harming the integrity of the entire structure.
- Proper soil surface investigations are needed in this case.
- The operation of bored piers needs strict supervisions and specialized skill sets.
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