When it becomes impossible to provide the suitable surface foundation for a structure; the use of pile foundations becomes necessary, this situation arose from either the soil condition or the order of bottom layers, the nature of the loads transferred ...
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How to Determine Depth of Foundation?
Many factors affects the depth of foundation. such as type of soil, ground water table, loads from structure, bearing capacity and density of soil and other factors. The minimum depth of foundation is calculated by Rankine’s formula when the bearing ...
Pile Load Capacity Calculation – Single Pile and Group Pile
The Pile load capacity calculation will determine the ultimate load the pile foundation can take under service load condition. This capacity is also called as bearing capacity of piles. The piles installed can be a single pile or group piles. ...
Structural Defects of Foundations at Construction Stage
Structural defects occur in foundations at construction stage. There can be many causes for these defects. The problem areas, effects in foundation and defects in structure due to those causes are presented here.
Load Test on Piles – Methods of Pile Load Test
Load tests on piles are conducted on completion of 28 days after casting of piles. Two types of tests namely initial and routine tests, for each type of loading viz. vertical, horizontal (lateral) pull out, are performed on piles. Initial ...
Balanced Footings and Cantilever Footings
Balanced and Cantilever Footings A balanced footing which is also called as strap footings consists of two separate footings connected by a strap beam. Balanced footing is required where the one of the footing has limited space for bearing, or ...
What are Causes for Foundation Failure in Buildings?
Causes of Foundation Failure in Buildings Foundation failure in a building can be attributed to several things. Most commonly foundation failure is caused by the movement of expansive and highly plastic soils beneath different sections of the foundation footings. This ...
Different Types of Machine Foundations and their Uses
Machine foundations are special types of foundations required for machines, machine tools and heavy equipments which have wide range of speeds, loads and operating conditions. These foundations are designed considering the shocks and vibrations (dynamic forces) resulting from operation of ...