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News and views from the world of concrete.

Tolaga Wharf | MARKHAM Marine Project

An old wharf. A challenging environment.

And quite a few practical challenges.

The Structure Tolaga Bay Wharf is a protected historical structure. The wharf was built in the early 1920’s using unwashed aggregates off Napier Beach and...

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NSW RMS bridges were treated with AQURON concrete durability hydrogels

Out of the archives: Protecting rural RMS bridges

Practical method for treating and protecting exposed rural concrete bridge decks

Challenges Under the auspices of RMS in NSW, these four bridges are located through the state’s central west and New England areas. This project was...

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The Rees Hotel, Queenstown | MARKHAM Corrosion Protection

Durability and Protection for The Rees Hotel

Arresting premature steel corrosion in concrete

“The Rees Hotel Queenstown is a sophisticated five-star hotel situated right on the shores of Lake Wakatipu, in the South Island of New Zealand.” –...

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Revelstoke Ruskin Dam

Pre-History! Before the MARKHAM days.

The Ruskin Dam project remains a significant example of the technology we continue to use today.

This was not a MARKHAM project. In fact, it was carried out immediately before MARKHAM began working with hydrogel treatments for concrete. Information on the...

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MARKHAM New Zealand Project - Napier Wool Store

Out of the Archives – the Napier Wool Store

Assisting in adaptive re-use of existing structures

How MARKHAM protected exposed concrete floors from heavy contamination! OBJECTIVE An existing wool store in Hawkes Bay, New Zealand, was being restored and upgraded. The...

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University of Canterbury Maths & Science Basement - AQURON stopped Hydrostatic Ingress

Canterbury University Basement

How MARKHAM overcame the failure of a basement tanking system.

The Challenge At Christchurch University in 1998, the tanking system in the basement of the eight-storey Maths & Science Building had failed. Groundwater levels were...

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Concrete cancer deterioration act early to preserve durability

Tomorrow’s pain points killed today

Culling future maintenance costs

This is not about getting a few more years’ life out of your Ford F100 and saving some bucks at the mechanic. This is about...

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Concrete with low cover issues visible corroding reinforcement steel

Low Cover, High Risk

What is it, why does it, and how to fix?

“Concrete cover, in reinforced concrete, is the least distance between the surface of embedded reinforcement and the outer surface of the concrete.” You can check...

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Waterproofing marine civil concrete infrastructure existing wharf pier rust corrosion staining

Waterproofing Civil Concrete Infrastructure?

Let's talk.

Of course, concrete will withstand water exposure. After all, concrete’s innate durability is one of the reasons the material is used so extensively in construction....

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Marine and river concrete structures are at risk from sulphate attack

Is Your Concrete Safe from Sulphate Attacks?

Concrete deterioration due to sulphur reactivity is more common than you may realize

Both an essential substance and a potential menace, sulphates pose a specific risk to concrete structures around the world, yet many are not aware of...

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