Seismic bearing capacity
WebApr 13, 2024 · Concrete-filled steel tube (CFST) columns possess the advantages of high bearing capacity, large stiffness and excellent ductility [], and are often used as the vertical and horizontal load-bearing structure members in bridges and high-rise building structures, as shown in Figure 1.In the past few decades, many numerical calculation methods have … WebJul 19, 2024 · Seismic bearing capacity of strip footings in cohesive soil slopes considering various embedded depths is investigated in this study. Novel solutions using pseudo-static method and finite element limit analysis (FELA) with upper bound (LB) and lower bound (LB) theorems are presented. The influences of footing depth, slope angle, slope height, …
Seismic bearing capacity
Did you know?
WebIn this study, the seismic response and damage behavior of an isolated bridge under near-fault ground motion are studied and compared with the non-isolated bridge. To consider the local damage of the bridge pier and its evolution process, the nonlinear behavior of the bridge pier in the analysis is simulated by the fiber beam-column element model … WebStructural engineers use allowable bearing capacity to proportion shallow foundations to safely support a structure. Typically, the recommended value of allowable bearing capacity is provided in a geotechnical engineering report based on subsurface conditions and other information known or anticipated about the structure. Since seismic or wind ...
WebSeismic bearing capacity of shallow foundation is calculated according to the following formula: Note: If the angle α is negative, i.e. φ < θ, then the seismic bearing capacity is … WebIt is usual to adopt the seismic force acting as an additional body force, employing the pseudo-static hypothesis, when considering earthquakes in the estimation of the bearing capacity of foundations. A similar approach in seepage studies can be applied for the pore pressure’s consideration as an external force. In the present study, the bearing capacity of …
WebApr 11, 2024 · These structural parameters, collected in the used form, were correlated to the Masonry Quality Index (MQI) to provide an exhaustive assessment of the capacity (in-plane and out-of-plane mechanisms) of the bearing elements towards seismic loads. WebFeb 1, 2014 · Foundation uplifting and bearing capacity mobilization can lead to improved seismic performance of superstructure. • Maximum and residual settlement and rotation must be properly faced in the design. Keywords Nonlinear soil–structure interaction Seismic analysis Pseudo-static analysis Foundations Rocking Slopes 1.
WebNov 11, 2013 · Abstract By applying the lower bound theorem of limit analysis in conjunction with finite elements and nonlinear optimization, the bearing capacity factor N γ has been computed for a rough strip footing by incorporating …
WebSeismic is a complex dynamic response process, and the pseudo-static method ignored the time effect and phase difference effect of seismic wave propagation, which will cause … reaper asio treiberWebEspecially for estimating the bearing capacity coefficients, there is not a single solution that includes generalized geometrical and loading conditions (footing on/and near slope, loading and surcharge inclination, inertial … reaper attachments llcWebThe seismic bearing capacity of a strip-surface foundation resting on a Mohr-Coulomb material is evaluated. The upper-bound theorem of the yield design theory is used to obtain an estimate of the ultimate load. The loading parameters consist of a normal and tangential force applied to the foundation and of inertia forces developed within the ... reaper assignment rs3WebApr 1, 2016 · The seismic effects have been applied as the horizontal and vertical pseudo-static coefficients. The results of this paper are very close to those of the other studies. The seismic bearing capacity of weightless rock masses can be obtained using the proposed equations and graphs without calculating the whole stress characteristics network. reaper artistWebApr 1, 1993 · In terms of seismic loading, Sarma and Iossifelis (1990) used limit methods to examine the impact of the inertia of the soil mass below the footing on the bearing … reaper attachments exf-30WebThe U.S. Seismic Design Maps tool provides seismic design parameter values for the U.S. and its Territories from the following documents: International Building Code: 2012 , 2009, and 2006. ASCE/SEI 7 Standard: 2010 and 2005. NEHRP Recommended Seismic Provisions: 2009 and 2003. 2009 AASHTO Guide Specifications for LRFD Seismic Bridge Design. reaper armyWebMar 17, 2024 · The connector between the ALC panel and the main structure is a critical part in the steel structure; its performance directly affects the stiffness, stability and bearing capacity of the structural system [12,13]. Wang Bo conducted low-cycle repeated loading tests of ALC panel or block-filled CFST frame structures. reaper atmos