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Various Standard Codes on Pile Foundations in Different Countries

Various standard codes on pile foundations in different countries

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Pile foundation is a long or slender column that is constructed from materials like reinforced concrete or steel. It is a type of deep foundation which is used to support the structure and transfer the load at desired depth either by end bearing or skin friction.

Commonly, pile foundations are designed, constructed, and tested based on the specifications and recommendations of applicable codes. ACI 543R-12, Eurocode 7, Indian Standards, and AS 2159- 2009 are examples of common and most widely used codes used to design and construct pile foundations.

Pile foundation is needed in certain conditions, for instance, when the top layers of soil are highly compressible, shallow rock level, presence of expansive and collapsible soils at the site, offshore structure, strong uplift forces on shallow foundations, and for structures near flowing water to avoid the problems due to erosion.

Various Standard Codes on Pile Foundations in Different Countries

1. ACI 543R-12

ACI 543R-12 (Guide to Design, Manufacture, and Installation of Concrete Piles) provides recommendations to assist the design architect/engineer, manufacturer, field engineer, and contractor in the design and use of most types of concrete piles for many kinds of construction projects.

It presents various types of pile foundations and discusses factors that should be considered in the design of piles and pile foundations. Moreover, the ACI 543R- 12 introduces materials used in constructing concrete piles and makes recommendations regarding how these materials affect the quality and strength of concrete.

Furthermore, minimum requirements and basic manufacturing procedures for precast piles are stated so that design requirements for quality, strength, and durability can be achieved. Finally, it outlines the general principles for proper installation of piling so that the structural integrity and ultimate purpose of the pile are achieved.

2. EN 1997 Eurocode 7: Geotechnical design

Eurocode 7 is used for all the problems of interaction of structures with the ground. It addresses not only buildings but also bridges and other civil engineering works.  Eurocode 7 consists of two parts including EN 1997-1 Geotechnical design - Part 1: General rules (CEN, 2004) and EN 1997-2 Geotechnical design - Part 2: Ground investigation and testing (CEN, 2007). Eurocode 7 - Part 1 section 7 discusses the pile foundation.

In addition to EC7, Eurocodes relevant to pile foundation design are the following:

3. Indian Standard Codes

Following are the Indian Standard Codes on Pile Foundations:

4. AS 2159- 2009

The Australian Standard (AS 2159-2009) sets out the minimum requirements for the design, construction, and testing of piled footing for building structures on land or immediate inshore locations. It has excluded offshore or deep-water construction.

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