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El Valor del Pavimento de Hormigón (Pavement Note 001) [Spanish, español]

Ascp-pavement-note, Technical-report

Beneficios Económicos, Operativos y Sociales Las carreteras de hormigón presentan numerosos beneficios económicos, de accesibilidad y seguridad en comparación con otras opciones de pavimentos flexibles. Esta Nota de Pavimentos presenta un resumen de las últimas novedades que comparan las opciones de pavimentos para cargas pesadas. La intención de esta Nota...

ASCP2021 6th Concrete Pavements (e)Conference – Proceedings

Conference-paper-ascp, Conference-report, Ascp-conference-presentation

Outline 2020 tested our flexural capacity and at times strained our mental tensile strength to 85% yield. To maintain tradition, ASCP has worked hard to develop a unique line-up of papers and delivery format for its 6th Concrete Pavements Conference which was delivered in August 2021. Like previous biennial conferences,...

ASCP Forum – Sustainability- Mecla, Westconnex 3b Rozelle & Slab Replacement

Ascp-forum-presentation, Aspcp-forum-on-demand

The objectives of MECLA and why cutting embodied carbon matters will be put forward by Hudson Worsley.  How MECLA came to be set up, the findings of its foundation research, who is involved, how it works and what it hopes to achieve will be addressed. Veronica Prado, Timothy Cook and...

ASCP Forum – Maintenance of Concrete Road Pavements – Specifications & Materials

Aspcp-forum-on-demand

Sydney has a very large network of State and Local Government concrete roads built from the mid 1920s to the 1950s.  There is an increasing need for slab replacements, but with worksite access typically limited to a single night shift.  Using CSA rapid set cement, there are now 12 years...

Airport Infrastructure – From History to the Future

Ascp-forum-presentation

Luc Ramalinga presents on Airport Infrastructure - From History to the Future. Objective of this Presentation: - Give an insight of how a client approaches airport pavement management - The History of Airport Pavements - The Impact and Opportunities of COVID-19 - Future Research Opportunities

Macro Synthetic Fibres – Potential Uses in Pavements [MSFRC]

Ascp-forum-presentation

Presentation Overview What are Macro Synthetic Fibres Review of Current Practice (Global, National, Domestic & SRAs/DoTs) Current and potential applications Recommendations What are Macro Synthetic Fibres? Available commercially since the early 2000s Intended to be used as a replacement for steel mesh reinforcement and not for structural steel design. Manufactured...

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Pavimentos De Hormigón Sostenibles: Reducido Impacto Ambiental De Los Pavimentos De Hormigón (Pavement Note 002) [Spanish, español]

Ascp-pavement-note, Technical-report

LOS PAVIMENTOS DE HORMIGÓN Y SU REDUCIDO IMPACTO AMBIENTAL Los pavimentos de hormigón causan menor impacto ambiental que los pavimentos asfálticos. Esta nota resume los últimos hallazgos que comparan los aspectos de sostenibilidad de las dos principales opciones de pavimentos para tráfico pesado. A su vez, proporciona a los organismos...

Application of a Shrinkage Reducing Agent (SRA) in Concrete Pavements

Conference-paper-ascp, Ascp-conference-presentation

SRAs have been used in concrete in Australia since their introduction into the marketplace in the mid1990s. However, its recent application in a major road project in NSW has generated interest from Government bodies, engineers and contractors within this sector of the construction industry. The author therefore wishes to discuss...

Performance of Silicone Sealants in Sawn Joints

Conference-paper-ascp, Ascp-conference-presentation

Concrete pavement joints are required to be sealed to prevent the ingress of debris, mainly incompressible and water. In the year of 2012, there are a number of reports of pavement joint sealants losing adhesion within the first 5 years of service and eventually being mostly depressed under the wheel...

Merits and Challenges of Increasing Limestone Addition in Cement Used in Concrete Pavement Construction

Conference-paper-ascp, Ascp-conference-presentation

Portland cement has undergone much change in recent decades to cater for rapid construction cycles, longer design life and environmental pressure. Increased fineness, the advent of Portland blended cements incorporating one or more supplementary cementitious materials (SCMs), and reduced clinker content via mineral addition have been the key technological solutions...

New Developments in Rapid Set Concrete Slab Replacements

Conference-paper-ascp, Ascp-conference-presentation

Current and future eras are seeing an operational environment where road occupancy for pavement maintenance or repairs will be severely restricted under conditions of maximising availability for service traffic and access to roadside properties. A key driving force for concrete pavement slab replacement, where required, is the need to use...

Latest Developments for Roller Compacted Concrete (RCC) in USA

Conference-paper-ascp, Ascp-conference-presentation

Roller Compacted Concrete (RCC) is a no slump concrete that is placed by a high density paver and compacted with vibratory rollers similar to asphalt pavement construction. RCC has long history of good performance as a pavement for ports, container yards and manufacturing plants. This paper will summarise a recent...