Fundamentals of Concrete Piling

For details on upcoming Concrete Institute of Australia events, please see the CIA website:  or contact the Queensland Branch Office on 0459 590 044 or [email protected].

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Tuesday, 26 November 2019
5:00 PM - 8:00 PM


TAFE Restaurant
Level 2 - Block C 66 Ernest Street, South Brisbane QLD 4101


Piles form the foundations of many structures and as such the design and construction of piles is critical to the overall structure. Four talks by well-regarded and experienced practitioners will provide informative presentations that cover the particular requirements and properties of concrete used in the construction of piles and deep foundations. Each speaker will discuss the various aspects of design consideration, concrete mix design, material properties, and piling techniques that influence the final quality of the foundation.
Dr Jim Slatter will review different pile types and less commonly used piling solutions such as CFA and steel tubular piles.

Dr Martin Larisch will consider the fundamentals of bleeding in large bored piles, which is of concern to the industry and asset owners.

Mr Serhat Baycan of Bauer Foundations will consider the challenges of pile construction with a focus of practical applications and lessons learnt from piling projects.

Ross Evans from Wagstaff Piling will present an update on bored pile testing.

If you have any enquiries please contact Gayle Townsend on 0459 590 044 or [email protected].


CIA Members $75.00 CIA Retired Members $20.00 CIA Student Members $20.00 Non-members $98.00


Dr. Jim Slatter
Director & Principal - FSG Geotechnics & Foundations

Martin Larisch
Principal Geotechnical Engineer - Golder

Serhat Baycan
Managing Director - Bauer Foundations Australia

Ross Evans
Piletest Manager - Wagstaff Piling Pty Ltd


Concrete Injected CFA Piling Fundamentals
Dr Jim Slatter

Continuous Flight Auger (CFA) piles are a commonly used pile type in the D&C building sector, however their adoption in the infrastructure sector has been relatively slow, primarily due to concerns regarding installation effects and potential construction defects. Jim’s presentation will outline the CFA pile construction methodology, the advantages and disadvantages of the system and touch on common design and construction pitfalls. Jim will also discuss construction monitoring and the use of computer instrumentation to manage construction quality and control installation effects and their impact on pile performance.

Concrete bleeding in bored piles
Dr Martin Larisch, Golder

Concrete bleeding can result in significant defects impacting the structural and durability performance of bored piles or diaphragm wall panels. The repair of such damages can be costly and time consuming and sometimes the replacement of defect piles is required.
The lack of fines in the fresh concrete in combination with too much water have been identified as probable reasons for concrete bleeding in bored piles. This presentation discusses potential mechanisms of concrete bleeding (or channeling) in bored piles with the aim to refine concrete mix designs to minimize concrete bleeding and associated defects.

Practical aspects of bored piling with a focus on concrete placement challenges
Serhat Baycan, Bauer Foundations
This presentation will cover background concepts of bored pile construction including driliing and concreting processes; including unsupported drilling, use of drilling fluid support & types, temporary and permanent casing use.  The implications of bored pile installation methods on the quality of the pile will be presented.  Critical concrete properties during placement will also be discussed, with practical project case studies presented. 

Bored piles
Ross Evans, Wagstaff Piling

Ross will cover the integrity of concrete in bored piles.  He will also present a comparison of Thermal Integrity Profiling (TIP) and Cross-hole Sonic Logging (CSL).


4.30 pm Registration Commences
5.00 pm Welcome & Introduction
5.05 pm Commencement of Speaker Presentations
7.00 pm Question time to panel of Speakers
 Light refreshments served after conclusion of event
8.00 pm Seminar closes

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