sub structure

The purpose of foundation is to carry a load and then transfer and spread over the loads of the structure to the greater area of the ground. Foundation is one of the important elements for all types of building whether for the tall building or common building in order to make sure the building is stable and strong enough to carry load. The most important of foundation is to transfer the load to the ground, prevent sedimentation, and also to maintain the position of the building. In deciding to make a selection of type of foundation is to know the important factors before the construction of foundation occurs such as load, types of soil, and also cost involved when construction occur. For the load factors such as live load, dead load and also wind load need to be taken into account. This is important to make sure the foundation can carry out double of overall load of building. A part from that, the geotechnic factor also plays a vital role in order to prevent any settlements. Any site investigation should be done carefully to make sure the foundation which is want to build up is strong enough to carry the load. Besides, the cost factor must be considered to make sure the construction of foundation more economical, strong and stable. The types of foundations that is usually used for construction such as pad foundation, pile foundation and many more but the mostly used in construction is pad foundation because of it is more economic and highly strength with the combination of reinforcement bar. Pad foundation are usually combined with the pile foundation to construct a building especially in a high area.