نتایج جستجو برای: bridge pile
تعداد نتایج: 59276 فیلتر نتایج به سال:
The assembly process of “pile-column integration” is proposed in this study and applied the engineering with characteristics that most pile foundations are end-bearing piles, which conducive to returning normal operation transportation infrastructure a timely manner. From perspective practical application, bridge structure components, including column cap beam, reasonably designed prefabricated...
Dynamic response records of pile performance during earthquakes are limited mainly due to the challenges recording seismic soil–pile response. This limitation has led an inadequacy in providing a standardized basis for calibration and validation available analytical numerical methods developed superstructure interaction problems. To bridge this gap, series simulations scaled, shaking table test...
It is reported that the inclined pile could be either beneficial or detrimental for abutment they support in condition of liquefaction—induced lateral displacement. To clarify effect on seismic response bridge abutments undergoing displacement, numerical analyses were carried out damaged was supported by piles and displaced riverwards 100 mm–150 mm due to soil liquefaction during 2011 Great Eas...
Based on the high-pile and high-pier bridge of Qianhuang Expressway, eigenvalue buckling analysis is carried out by establishing three-dimensional finite element models three different types types, corresponding structural nonlinear loads under initial pier deviations are calculated. The calculation results show that less than elastic loads. stability column continuous better simple supported b...
in this study, scour of mashkid bridge pier located in mashkid river of saravan county has been studied and to measure the scour rate, the numerical model hec-ras 4.0 has been used. upon selection of mashkid river as the case study and whereas the studied zone is important with respect to the climatic conditions and showery monsoon raining and flowing the great and destructive floodwaters, ther...
In this paper, numerical analysis of a pile-soil interaction problem is presented considering the parameters influencing the axial load-deformation behavior of the pile embedded in a layered soil medium. The analysis is demonstrated with parametric solutions of a pile with underlain model soil strata under the axial force. An attempt is made to ascertain the extent of influence of elastic prope...
Using a series of model tests, this study investigated the effect of a passive pile on 3D ground deformation around a laterally loaded pile and on that laterally loaded pile's response in sand. The active pile head was subjected to lateral loads, and the passive pile was arranged in front of the active pile. In the model tests, the distance between the two pile centers was set to zero (i.e., a ...
Background: Bridges are one of the most critical parts a transportation network that may be damaged during earthquakes and it is necessary to have prediction model for bridge responses under seismic loads can extended other situations. Soil stiffness significantly affects load distribution when soil, piles, abutment, superstructure all act as combined system resist lateral loading on bridge. Me...
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