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Auckland Transport required stabilisation of an active landslip in the Oakley Creek Esplanade Reserve which was undermining the shared path and critical infrastructure near Great North Road, Auckland. Failure of a section of the road would cause major traffic congestion. The aim was to construct an in-ground concrete lattice structure using the diaphragm-wall technique with low-strength flowable fill whilst meeting demanding concrete performance and embodied carbon targets.

The required project targets included early age strength, concrete bleed under pressure, workability, spread retention, and embodied carbon reductions. Laboratory and production trials were conducted on several low-carbon concrete mixes utilising 50% to 70% cement replacement with ground granulated blast-furnace slag (GGBFS).

Holcim New Zealand

Professionals used in
Oakley Creek Esplanade Reserve

About the
Professional

Holcim New Zealand, a part of the globally renowned Holcim Group, is a leading supplier of innovative and sustainable building solutions. With a heritage spanning over a century, Holcim New Zealand has established itself as a cornerstone in the construction industry in Aotearoa New Zealand, committed to delivering superior products and services that enhance the built environment.

We build progress for people and the planet – leading the building materials industry by pioneering sustainability, innovation, and excellence in our operations and products. We strive to contribute to build better with less through our dedication to sustainable construction practices.

Holcim New Zealand offers a comprehensive range of products designed to meet the diverse needs of the construction industry. Our portfolio includes high-quality cement, ready-mix concrete and aggregates. We cater to various sectors, including residential, commercial, industrial, and infrastructure projects, ensuring each product meets stringent quality and performance standards.

Sustainability is at the core of Holcim New Zealand's approach. We are dedicated to reducing our environmental footprint and enhancing the sustainability of our products. Our innovative solutions aim to lower CO2 emissions and support the use of alternative materials. This helps foster more circular and sustainable development, contributing to a better future.

Holcim New Zealand has invested heavily in research and development to help create advanced building materials that meet the evolving needs of the market. Our state-of-the-art facilities and cutting-edge technologies enable us to deliver products that offer superior performance, durability, and sustainability.

https://www.holcim.co.nz/