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    Wyświetlanie 1-4 z 4
    Tytuł:
    Parameter of Cooperation of Composite Components in Views about Vertical Wall from Reinforced Soil
    Autorzy:
    Zamiar, Zenon
    Surowiecki, Andrzej
    Saska, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/503920.pdf
    Data publikacji:
    2019
    Wydawca:
    Międzynarodowa Wyższa Szkoła Logistyki i Transportu
    Tematy:
    reinforced soil
    reinforcement dimensioning
    cooperation indicator
    model research
    Opis:
    The publication considers reinforced soil in relation to the construction of retaining walls in communication construction. The basic elements determining the cooperation of reinforcement inserts with the ground centre are discussed, depending on the features characterizing the components of the composite. The method and selected results of tests performed on a massif model with a vertical wall made of non-cohesive ground have been presented. A calculation example is given concerning the internal dimensioning of the reinforcement of the considered massif model, assuming the work of inserts without slipping in the ground centre. The concept of reinforcement co-operation indicator with the ground centre was introduced and a dependence to calculate its value was developed. The values of co-operation indicators: general and partial, concerning individual measurement levels of the model have been presented appropriately.
    Źródło:
    Logistics and Transport; 2019, 44, 4; 77-84
    1734-2015
    Pojawia się w:
    Logistics and Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Model Studies of Distortion Condition Resistance Wall from Gabionic Elements
    Autorzy:
    Zamiar, Zenon
    Surowiecki, Andrzej
    Saska, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/504409.pdf
    Data publikacji:
    2019
    Wydawca:
    Międzynarodowa Wyższa Szkoła Logistyki i Transportu
    Tematy:
    gabion retaining wall
    deformation state
    model tests
    Opis:
    Retaining walls have been classified and characterized as structures protecting road or railway embankments against landslides. Particular attention was focused on retaining structures classified as light [1-3, 5-12, 14-24], which include, among others, walls made of gabions. Physical models of the gabion retaining wall, prepared on a laboratory scale, test stand and how to perform spatial deformation tests are presented. The models differed in the number and dimensions of gabions. On the basis of measured horizontal deformations of embankment models with a gabion wall, which were subjected to vertical static pressure at the level of the embankment ceiling, the values of basic strength parameters were determined. In particular, the value calculated: horizontal pressure coefficient, shear strength and modulus of deformation. The variability of the values of these parameters was estimated as a function of variable factors related to the gabion wall configuration (determined by the number and dimensions of gabions) and the value of the external load test.
    Źródło:
    Logistics and Transport; 2019, 43, 3; 47-56
    1734-2015
    Pojawia się w:
    Logistics and Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ways of Eliminating the Road Effect in Transition Zones from the Railway Track to Bridge Structures
    Autorzy:
    Zamiar, Zenon
    Surowiecki, Andrzej
    Saska, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/503870.pdf
    Data publikacji:
    2019
    Wydawca:
    Międzynarodowa Wyższa Szkoła Logistyki i Transportu
    Tematy:
    railway track
    engineering facility
    transition zone
    reinforcing inserts
    Opis:
    Selected methods of constructing special inserts in the transition zones between the embankment of the railway track and the engineering object (bridge, viaduct, or culvert) were discussed. The purpose of mounting the designed inserts is to eliminate the so-called threshold effect, i.e. continuously creating a mild change in the stiffness of the ground under the track. In addition to the solutions presented in practice, attention was also paid to projects developed by the authors of this article. T
    Źródło:
    Logistics and Transport; 2019, 44, 4; 85-93
    1734-2015
    Pojawia się w:
    Logistics and Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Analysis of the Stability of the Communication Support Stabilized by Gabion Wall with Variable Configuration
    Autorzy:
    Zamiar, Zenon
    Surowiecki, Andrzej
    Saska, Piotr
    Balawejder, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/504194.pdf
    Data publikacji:
    2019
    Wydawca:
    Międzynarodowa Wyższa Szkoła Logistyki i Transportu
    Tematy:
    communication embankment
    gabion wall
    water damming
    stability
    Opis:
    The subject of the article concerns the stabilization of communication earthworks using the so-called lightweight retaining structures. The stability of the embankment with the embankment built with the gabion wall is analysed, assuming a uniformly distributed load on the crown and a case of unilateral water pressure in the event of a flood. Final results of stability calculations made with the Fellenius and Bishop method in the form of slip surface with the smallest value of the coefficient were presented. Then, assuming the case of damming up of flood water, discretization of the filtration area, velocity distribution and hydrodynamic grating and slip surfaces were developed. The variable parameter is the wall configuration.
    Źródło:
    Logistics and Transport; 2019, 42, 2; 109-116
    1734-2015
    Pojawia się w:
    Logistics and Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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