Precast Concrete (Not Commonly Used)

Advantages

• Can be manufactured on conventional casting bed or on job site.
• Curing conditions can be controlled.
• Easily spliced, or extended with patented joint, in field.
• Best suited as friction piles in sand, gravel, and clays.
• Can be extended above ground to form columns.

Disadvantages

• Susceptible to damage during handling and driving due to tensile stresses..
• Handling and shipping cost.
• Maximum casting length 15 m.

General

• Frequently cast with hollow core.
• Suitable pickup points must be indicated.
• Must be designed to resist stresses induced by handling, driving, and structural loads.