DBV-Guide to Good Practice. Steel Fibre Concrete. Edition October Original version: “DBV-Merkblatt Stahlfaserbeton” (German). Editor: German Society. DBV-Merkblatt Industrieböden, Stahlfaserbeton Guide to Good Practice – Steel Fibre Reinforced Industrial Concrete Floors – Special Features of the. DBV-Merkblatt Bemessungsgrundlagen für Stahlfaserbeton im Tunnelbau. Front Cover. Deutscher Beton-Verein. DBV, – 23 pages.
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Continuous quality control is being done to check the performance at defined intervals. This code does not have the character of a standard, however. Please enter the message. In addition, the load taken up borne directly by the rock itself is also increased in the case of more flexible systems. In Germany, a The forces to be absorbed by the support segmental lining rings are therefore lower in the case of ductile systems.
Test specimen are generally tested by means of deflection-controlled test setups. The square panel positioned on all sides is statically indeterminate and simulates the load-bearing behaviour of a shotcrete shell. Regrettably, indication of copyright fee is not available.
The segmental lining ring, consisting of six segments with a diameter of 3. Joints are particularly critical points.
Steel-fibre-reinforced segmental linings: State-of-the-art and completed projects
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Your list has reached the maximum number of items. And, in case of combination reinforcement, for example, the rebar reinforcement is better protected. Limit the search to the library catalogue.
If a fire occurs, the steel fibres prevent the peeling off of surface layers. Cancel Forgot your password? Would you dbv-merkblattt like to submit a review for this item? A steel-fibre-reinforced concrete variant was selected, in order to improve durability and minimise proneness to spalling, and thus eliminate permeability from the inception.
There is no technological justification for this omission, in view of the fact that both theoretical and practical experience is available. System load-bearing capacity dbv-merjblatt evaluated as energy-absorption capacity, and set against the requirements made on the shotcrete layer. Article as PDF Steel-fibre-reinforced segmental linings: Interest in the use of steel-fibre-reinforced concrete in tunnel construction is rising as a result of the flexibility which the use of this material permits and the cost-savings achieved compared to the cbv-merkblatt of conventional reinforced-concrete solutions.
Steel fibre concrete DBV guide to good practice – Technische Informationsbibliothek (TIB)
The frequently encountered stress-resultant combination of high compressive forces and relatively low bending moments in a tunnel lining can predominantly be matched by using the material properties of steel-fibre-reinforced concrete only. There are two different systems for certification of conformity: Unlike the situation with non-reinforced concrete mathematical assumption of tensile forces not allowablethis results in a significant increase in load-bearing capacity in structures exposed to bending requirements with normal forces.
Write a review Rate this item: Also decisive is the selection of a tensile strength appropriate to the strength of concrete, in order to maintain the ductility of dbv-merkbatt steel-fibre-reinforced concrete.
The name field is required. Once experience with this building material had been gained, significant progress was made in terms of codes and guidelines, both nationally and internationally, and for a large range of diverse applications, in order to provide well-founded aids for the design, testing, production and installation of steel-fibre-reinforced concrete.
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DBV-Merkblätter Faserbeton (Book, ) 
The evaluation methods differ, however. Steel-fibre-reinforced concrete was initially used as a substitute for nominal reinforcement or in combination with conventional reinforcing steel, in order to enhance the serviceability of concrete structures. The higher the moments occurring, the greater the necessary degree of reinforcement. Further more it can be distinguished between single-shell and double-shell types, Steel-fibre-reinforced concrete is used in all these variants.
This adage is also true of fibre-reinforced concrete since, here too: The E-mail message field is required.