The CPAA Technical Note is related to a specific concrete pipe related issue to update stakeholders on any relevant changes that has occurred or to highlight any significant issues that require attention.
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Installation
Culverts
Durability & Environments
Manufacture
Structural Design
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ASSESSING INTERNAL ENVIRONMENT FOR PRECAST MAINTENANCE CHAMBERS
Understanding flexible plastic pipe
Did you know that flexible pipe relies on the strength of the soil surrounding it to act as a conduit? Did you also know that flexible pipelines require a detailed and onerous design process?
Updating specification of SRCP (March 2009)
The concrete pipe standards AS/NZS4058 and AS/NZS3725 were updated in 2007. However, not everyone has updated their specifications to reflect this. This Technical Note outlines the important changes.
Large Box Culverts (December 2013)
This Technical Note outlines the significant sections of the new large box culvert Standard, AS 1597.2:2013, and the likely impact it will have on industry, as well as alerting specifiers and contractors of changes related to manufactured product.
Update – small box culverts and AS 1597.1 (March 2011)
AS 1597.1, the small box culvert standard, was revised in 2010. There are a number of significant changes to this standard that will impact industry, in particular as it is the first revision of this document in 36 years. This Technical Notes explains what these changes are!
Concrete pipe – hard facts
The paper outlines the important durability facts that should be understood when selecting a pipe material, and how this is reflected on concrete pipe.
Setting the standard for concrete pipe
AS/NZS4058 and AS/NZS3725 are the concrete pipe standards in Australia and New Zealand. This paper shows why they are the most appropriate standards for this material.
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Collaboration Driven Innovation for Deep Concrete Culvert Design and Installation – An Example of Safety in Design
Deep Culvert Design and Installation paper
Jacking Design Guidelines
Installation by jacking is a technique applicable to concrete pipe. This manual considers the design concepts required for such types of application, as well as installation design characteristics.
Designing Rigid and Flexible Pipeline Systems
Design requirements for rigid and flexible pipe vary markedly. This Technical Note highlights 5 main design differences that should be considered when comparing rigid and flexible pipe.
Influence of bedding support on pipe class
Bedding support is provided to a buried concrete pipe to act as both the foundation and also to increase the load carrying capacity of the pipeline. This TN describes what influence the bedding support can have on the design.
Comparison of pipeline design installation requirements rigid v flexible
This Technical paper was updated recently to focus primarily on rigid pipe (concrete) and flexible pipe (plastic). It outlines the main differences between the two materials when it comes to design requirements (specifiers) and installation requirements (contractors). Importantly it highlights the fact that concrete pipe is accepted based on performance, whilst plastic is accepted based on design calculation.
Long term stiffness of black max
The long term stiffness of black max flexible pipe is examined in this technical paper.
The design & installation requirements for various pipe types
Different pipe materials require different design requirements and installation techniques. This detailed paper explores the differences and explains the critical differences that need to be understood when specifying rigid, semi-rigid and flexible pipe.
