Putzmeister

Automatic synchronization of the additive dosage with the concrete flow

Chemical additives are added to the shotcrete mix to modify its properties. The most important one is the hardening accelerator, which modifies the early resistance of shotcrete required in [...]

How to properly clean the concrete spraying equipment

Cleaning the concrete spraying equipment is essential to ensuring its correct operation. It prevents premature wear, concrete blockage in the lines, and an increase in concrete pump pulsations. [...]

Best practices on the jobsite, Best practices on the jobsite

How do truck mixers transport the shotcrete mix to the spraying area?

A truck equipped with a concrete mixer is also known as transmixer or agicar. In underground mining, due to the small-section galleries and harsh conditions of the terrain, low-profile truck [...]

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Do you have the right aggregate for your shotcrete mix? Find out with the grading curve!

The grading curve graphically represents the proportion of different grain sizes which the aggregate is composed of and which form part of the shotcrete mix. It provides useful information to [...]

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Top 10 free publications about shotcrete you should not miss

Shotcrete has been used as rock support for over 100 years, and materials and equipment are constantly improving. In order to stay up to date, in this post, we would like to recommend the [...]

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Do you call it shotcrete, sprayed concrete, or gunite?

At Putzmeister Underground Technology, we are working in a multicultural and multilingual environment: Located in Madrid, Spain, and forming part of the Putzmeister group headquartered near [...]

Shotcrete culture, Shotcrete culture

The logistics of shotcrete in underground mining

Ground support with mechanized shotcreting abbreviates working cycles in underground mining, as it is applied faster than wire mesh. It can be applied in access ramps, caverns and other [...]

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Which concrete spraying equipment is the most cost-efficient for your project?

For the application of sprayed concrete in underground works, different methods and equipment can be used: wet-mix spraying or dry-mix spraying, manual or mechanized equipment. When evaluating [...]

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What is shotcrete? [Infographic]

Shotcrete is concrete or mortar pneumatically projected at high velocity through a nozzle. Its components are aggregates, cement and water, and it can be complemented by fine materials, chemical [...]

Application methods, Application methods, Concrete spraying equipment, Concrete spraying equipment, Concrete spraying equipment, Concrete spraying equipment

What are the main components of mechanized shotcrete equipment? Find out in 5 minutes!

Mechanized wet-mix spraying is the most efficient method for projects with high shotcrete production. It is primarily applied for underground works in order to increase operator safety. The [...]

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Excavation methods: let’s compare TBM and Drill & Blast

Non-road engine emissions standards: an introduction

Formwork systems: an introduction

Excavation methods: let’s compare TBM and Drill & Blast

Non-road engine emissions standards: an introduction

Formwork systems: an introduction

Automatic synchronization of the additive dosage with the concrete flow

How to properly clean the concrete spraying equipment

How do truck mixers transport the shotcrete mix to the spraying area?

Do you have the right aggregate for your shotcrete mix? Find out with the grading curve!

Top 10 free publications about shotcrete you should not miss

Do you call it shotcrete, sprayed concrete, or gunite?

The logistics of shotcrete in underground mining

Which concrete spraying equipment is the most cost-efficient for your project?

What is shotcrete? [Infographic]

What are the main components of mechanized shotcrete equipment? Find out in 5 minutes!