National Repository of Grey Literature 5 records found  Search took 0.00 seconds. 
Repair or the structure of a new bridge
Frýba, Ladislav
The technical and economic criteria are developed according to which it is able to decide whether to repair an old bridge or to build a new one.
Intensive vibration of a beam under rapidly moving system of forces
Frýba, Ladislav ; Fischer, Cyril
A beam subjected to a moving system of forces was solved bythe integral transformation method and the results areprovided in a compact form. The paper shows the effectof some parameters on the dynamic increments of deflectionsand the stress spectra.
Dynamic increments of stresses and accelerations in bridgesat high speeds
Frýba, Ladislav
A simple theoretical model of a bridge presented the stress-timeand vertical acceleration-time histories of a bridge beamsubjected to a moving high speed train. Their maximum valueswere summarized and offered the empirical formulas for thedesign of bridges on high speed lines.
Principles of the design and assessment of concrete bridges to fatigue
Frýba, Ladislav
Design and assessment of reinforced bridges to fatigue,principles, designing, criteria for reinforcement andcompressed concrete.
Behaviour of reinforced concrete bridges and theirelements under dynamic and fatigue loads
Frýba, Ladislav
Behaviour of reinforced bridges and their elementssubjected to dynamic and fatigue loads, dependenceof natural frequencies on the number of load cycles.

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