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Analytical model for predicting time to concrete cover cracking due to corrosion of reinforcement. Development of an hert mortar for sustainable rain water cisterns. Schematic on carbonation in the concrete. In consideration of the course of the crack, and at the same time in combination with the position and depth of the reinforcement, it becomes clear that — as worst case — the possibility exists of spot-type corrosion of the uppermost strut of the lattice truss.

Life-Cycle of Structural Systems: Deformation behaviour of concrete highway pavements.

IMB-Veröffentlichungen – Veröffentlichungen von Prof. Dr.-Ing. H. S. Müller

Prediction model for the weathering of sandstone under ambient climate actions. Modelling of the saturation behavior of cement paste during freezing and thawing action. Denkmalgerechte Instandsetzung historischer Betonbauwerke.

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Characteristics and prediction of creep high-performance concrete. Schnellbestimmung des Wassergehalts von Frischbeton. Structural Materials and Engineering Series, Geft. Lightweight concrete with polymer aggregates of waste plastics.

Optimization of the pumpability of self-compacting lightweight concrete. This resistance explains the absence of pitting in the crack area in cases rafstb sufficiently thick and impermeable concrete cover over the reinforcement — despite depassivation of the steel surface.

After installation, it assures sufficiently secure integration of the sleeper into the concrete track slab.

Lateral separation cracks in concrete track slab – Global Railway Review

Beton und Stahlbetonbau, Lebenszyklusanalyse bei Betonkonstruktionen — Prognose der Zustandsentwicklung und Lebensdauer bestehender und neuer Bauwerke. Zum Baustoff der Zukunft. Systematic investigations have not yet been published on the particular crack width, beginning with which steel will no longer be covered with protective pore water.

Finger Institut, Weimar,S. Rabitzdecken – Konstruktionen mit Schwachstellen? The removal of mass from the steel is directly proportional to the prevailing electric current: The width of cracks in concrete essentially depends on the tensile strength of the concrete, the bond between concrete and reinforcement, concrete cover over the reinforcement, the configuration of the reinforcing bars, and the thickness and the form of the concrete components.

Accept Reject Read More. Creep and shrinkage of high-performance lightweight aggregate concrete. I,S.

Creep and shrinkage models of normal and high-performance concrete — Concept for a unified code-type approach.

Beton — Entwicklungen und Tendenzen, Fractological investigations on the fracture in concrete. WasserWirtschaftHeft 4, S. Design and properties of sustainable concrete.

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Creep and Shrinkage of Concrete: Bauchemie ThemenHeft 13, S.

This site uses Akismet to reduce spam. Repair of historical darstb structures and monuments. Kriechen und Schwinden von Hochleistungsbetonen. Issue Issue 2 Basically, however, it can be assumed that extensive exposure to water containing chloride would result in extremely rapid entry of chloride into 4000 concrete cracks. Time-dependent behaviour of ultra high performance concrete UHPC.

Untersuchungen an Betonfahrbahnen mit hydraulisch gebundenen Tragschichten. Damage risk and development in concrete pavements caused by an Alkali-Silica Reaction.

Lateral separation cracks in concrete track slab

The decisive factor for corrosion protection, accordingly, is not the crack width, but primarily the thickness and the impermeability of the concrete cover over the reinforcement. Performance-related assessment of existing infrastructures against the background of hert corrosion. Inclusion of longitudinal reinforcement is not required to satisfy structural engineering requirements 1.

These more important factors are composition, placing, and curing of the concrete of the track-supporting layer and the HBL. New prediction models for creep and shrinkage of concrete.