Mensur Mulabdić

Geogrids - what is important

Geogrids are frequently used for stabilisation and reinforcement of the unbound courses in transportation engineering. Benefits of their use are well known, but many times poorly understood in terms of mechanisms that govern their performance. Their performance is based on interaction with granular soil surrounding it. Paper deals with the importance of geogrid structure, geometry, junctions and mechanical properties of geogrid in relation to granular material in which they are intended to be installed. Some basic important facts on interaction between geogrid and soil are presented through experimental results and some theoretical aspects of mechanical behaviour are discussed. Current and future trends of research in this filed are highlighted.

LOAD TRANSFER PLATFORMS - COMPARISON OF DESIGN METHODS

Constructing embankments on compressible foundation soil normally requires soil improvement measures to reduce the amount and duration of settlement. In the most difficult cases, the soil is improved by using pile foundations. When constructing pile foundations, it is necessary to ensure efficient load transfer from the embankment to the piles, which can be achieved using reinforced soil construction with geosynthetics as reinforcement material. In this paper, we compare the calculations of a bearing capacity of such a platform according to the British and the German standards on the example of a level crossing over a railway line. We describe other calculation methods, critically reviewing the fundamental mechanisms of the reinforcement effects in the calculations.

PREGLED KRITERIJA ZA IZBOR GEOTEKSTILA ZA FILTAR

U radu se obrađuje primjena geotekstila za filtre i drenaže u geotehnickim i hidrotehnickim zahvatima. Analizirani su mehanizmi važni za dobro fu

UTJECAJ ODZIVA PLITKO TEMELJENE ARMIRANOBETONSKE OKVIRNE KONSTRUKCIJE NA LIKVEFAKCIJSKI POTENCIJAL TLA

Nakon katastrofalnih posljedica potresa na Aljasci i u Niigati 1964. godine, Seed i Idriss su razvili i objavili metodu za procjenu otpornosti tla na