foundation system of burj al arab

Different types of pile hammer for pile foundation (part-1)

Pile is a deep foundation system to accommodate access structural load to the relatively firm stratum through end bearing or skin resistance and sometimes with the combination of both. We usually choose this type of foundation when loose soil deposits serving low bearing capacity for shallow foundation, or sometime problematic soil like expansive soil, collapsible soil, and also organic soil are present. Though in case of expansive soil the pile in many cases, are designed for anchorage purposes.

Dear reader we have published many posts about pile foundation; the term we have not discussed yet is pile hammer. Now we will learn about different types of pile hammer.

Drop pile hammer for pile foundationThe names we familiar with are:

a. Drop hammer
b. Single-acting steam hammer 

c. Double acting steam hammer 

d. Diesel hammer 

e. Vibrating hammer

Single-acting steam pile hammer pile foundation operation At first, we will discuss drop hammer. In general, we are familiar with driving pile with blow; the exception is vibrating hammer. The driving operation with a hammer providing blows to piles is called pile driving operation and the equipment is termed as pile driver. We may need to drive pile both vertical and inclined direction. Normally guides are used to align the pile driving.

When a hammer is lifted to desire elevation with a rope and let to provide blow on the top of pile by free fall, the hammer is called drop hammer.

When a hammer is lifted with the help of steam pressure and let to provide blow by gravity fall; the hammer is termed as single-acting steam hammer. Hammer using steam energy, like previous hammer; have also another verity known as double acting steam hammer.

Dear reader we will discuss double acting steam hammer, diesel hammer and also vibrating hammer in the next part of this post(part-2). We will discuss about vibrating hammer in our preceding posts in details. Please stay with us.

1 comment:

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