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SAFETY DEMANDS REBAR CONNECTION DESIGN

Compliant Design | Qualified Products | Safe Installation

At Hilti, we understand the critical nature of structural concrete connections in ensuring the integrity and robustness of your structure throughout its lifecycle. Whether a new build or a retrofit, our post-installed rebar solutions qualify to the state-of-the-art European Assessment Documents (EADs) for use with structural concrete design standards for typical connections such as end anchorages, splices, overlays, and beyond. With our easy-to-use design software and safe and fuss-free installation tools, reduce the risk of errors and speed up your construction. ​

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Types of Rebar Applications​

Post-installed reinforcing bars are typically used to develop a monolithic connection between new and existing concrete elements or structures. Post-installed reinforcing bars are used in both retrofit work and in new construction and are suitable for a wide range of applications. Let’s look at some of the common rebar applications below.​

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IMPORTANCE OF DESIGN

To ensure that the post-installed reinforcing bar behaves as a cast-in bar, it is important that the type, size, spacing and quantity and anchorage be established for the connection. This is typically based on either direct calculation of section forces, or a requirement to match existing reinforcement. Hence, design of rebar connections are important to achieve desired results.​

The rebar applications mentioned above can be clustered into 3 categories and have different design requirements. ​

End Anchorages​

Reinforcement Steel Rod and Deformed Bar with Rebar at Construction site.

End anchorages involve connecting new concrete elements perpendicular to existing ones. Examples include beam-to-column, slab-to-wall, column-to-foundations, and so on.

Know more about End Anchorages

Splices

KUALA LUMPUR, MALAYSIA -DECEMBER 16, 2017: Reinforcement concrete column under construction at the construction site. Fabricated and constructed by workers.

Lap splices involve extending existing concrete elements parallel to existing ones. The new bars are not in contact with existing ones. Examples include beam extension, column extension, slab extension etc.​

Know more about Splices

Concrete Overlay​

Concrete overlays involves increase the cross-sectional thickness of an existing member by connecting a new layer. Examples include beam jacketing, column jacketing, slab strengthening etc.​

Know more about Concrete Overlay

Jobsite References​

NATHDWARA INDIA

Aerial view of a road bridge over railway tracks at Telegaon near Pune India.

Protecting a major road bridge from earthquakes

The bridge at Nathdwara has a steep curve in it and needed seismic stoppers to stop the bridge sliding in an earthquake.

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DELHI METRO

Metro arriving at Dwarka station in New Delhi India Asia

Using post-installed rebars to mend cast-in rebars

While building at the Nehru Palace metro station, some of the steel couplers became misplaced, and we were brought in to see what could be done.

Read More

ROME ITALY

Fontana di Trevi Fountain, iconic sculpted rococo fountain, famous landmark, Rome, Italy

Post-installed rebar and anchoring technology

During the restoration of the Trevi Fountain in Rome, one of the columns in the façade was found to be unsafe, with a crack around its base. 

Read More

HONG KONG

Hong Kong train

Post-installed rebar dust reduction with Hilti SafeSet™

When the MTR decided to build a new lift for one of its stations at the Lai King stop, it was crucial to keep dust to a minimum.

Read More

Get started with Rebar Application Design

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