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2014
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Invention
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Alkali-free accelerator for concrete mixtures. An alkali-free accelerator for concrete mixtures c... |
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Invention
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Reinforcement, structure and method for underground reinforced concrete constructions.
A reinfor... |
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|
Invention
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Reinforcement, structure and method for underground reinforced concrete constructions. A reinforc... |
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2012
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Invention
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A method and equipment for tunnelling. A method for tunnelling uses equipment comprising a tubula... |
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2011
|
Invention
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Non-return valve for a tubular consolidation element.
A non-return valve fitted on a tubular ele... |
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Invention
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A non-return valve for a tubular consolidation element. A non- return valve can be fitted on a tu... |
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Invention
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Rib for supporting and reinforcing an excavation. The present invention relates to a rib (1) for ... |
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2010
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Invention
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Method and plant for producing a fiberglass profile to be used as reinforcing element for strengt... |
