Shallow foundation footing strouspile category, but are used for expenses that are not too heavy, for example for residential houses or buildings with a span length of each column. How it works is the installation of foundation soil drilling diameter structure calculations based on the foundation, then used PVC pipe casing from a cast as he lifted his casing, casing used on soft soil and watering. If not watered, casting can be directly performed without the use of the casing.

The depth of this foundation can reach 5 m, this foundation using steel reinforcement along the inside of the foundation. Usually the diameter of the foundation which is often used is 20 cm, 30 cm and 40 cm, depending on the diameter of the drill bit. Like a pile foundation, foundation strouspile even this as a base of the holder of concrete (pile cap) is joined on the columns and foundation reinforcement Sloof. In addition, other functions of pile cap are to transfer the pressure of the load on it.

Working system is almost equal footing with strouspile borpile. The difference lies only in the drilling equipment, casting equipment, chassis systems with more modern technology, and its use for this type of deep foundation, and on two floors.

a. How to calculate volume
How to calculate the volume for this type of foundation is the formula of the circle multiplied by its depth, i.e.

V = 3.14 x r2 x t

Description:

r  : the radius of the circle
t  : depth of foundation
V: volume

This article continues to “Strouspile and Borpile foundation (2)”