A concrete gravity dam is modeled and three types of analyses are carried out: static (gravity and hydrostatic pressure), modal and transient analysis. The Dam structure is made of separate monolithic elements divided by vertical and horizontal joints.
The footbridge consists of a deck that rests on two lateral beams. The deck transmits its load to two parallel arches using steel bracings. The arches are connected by bracing truss members. A static analysis and modal analysis are performed in order to evaluate different design forces and moments, deflections, and to obtain the natural frequencies of the structure. A transient analysis is performed in order to simulate the stepping rate of pedestrians
A cooling tower of a nuclear central is modeled. A static analysis is performed in order to evaluate the stresses and displacements of the structure and obtain the distribution of the maximum principal stress, evaluating the accuracy of the results considering different sizes of the mesh.
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This famous reinforced concrete structure of the Zarzuela racecourse is simulated with a model consisting of shells, columns and trusses under several load combinations: self-weight load, overloads, wind and snow. The purpose of the model is structural checking and design according Eurocode2 under maximum load envelope, obtaining the necessary reinforcement amounts in each of the structural elements.
The collapsing behavior of the famous Tacoma Bridge is simulated considering a damping of 1%. The natural frequencies of the bridge (modal analysis) are obtained, in particular those that influence the torsional mode. Windstorm and vortex shedding caused the bridge collapse. This phenomena is simulated using a harmonic analysis, considering wind loads and self-weight.
The construction process of an embankment dam with different fillings is analyzed. Loads applied are self-weight and hydrostatic pressure at the end of the process. This study is carried out as a nonlinear stage process using activation and deactivation of materials.
A 68 ft high transmission tower has 6 cable-arms and is made of steel angles. The loads on the tower structure are gravity, cable and wind loading. Static linear and nonlinear analyses are performed to check viability of the structure.
A simply supported concrete beam is subjected to two concentrated loads symmetrically placed near the center of the beam. The beam is analyzed using the concrete cracking option. Plane stress option (2D solid elements) is used for concrete modeling and a truss element is defined to simulate the rebar. For the concrete elements the cracking option is activated and a bilinear material behavior for reinforcing steel is chosen.
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3D static analysis for a concrete roof design by the architect Felix Candela for the restaurant “Los Manantiales”. The cover is an octagonal cross formed by the intersection of four hyperbolic paraboloid. The thickness is 4 cm and a static calculation is performed for self-weight, analyzing the stresses produced and the maximum displacements in the center of the cover.
The construction of this tunnel of Madrid metro line follows the partial face excavation or German (core-heading) method. The process consists of excavation of shoulder drift and concrete placing, top heading, inner core and construction of keystone, gables and invert. The activation/deactivation of materials tool is used to analyse the stage process.
The structure of this house is made up of slabs of reinforced concrete and screens adapted to the topography of the land. It draws attention to the significant overhang of the concrete slab. This model is form by concrete shell structural element. Two analysis have been performed: a Linear Analysis to check the ultimate limit state and a Non-Linear Analysis to check the service limit state.
Storage silos for bulk and others materials are extended around the world since more than a century. It is present in transport chains from the begining of the chain, as well as in intermediate stages and obviusly, in the end. In all of these stages, silo is used as storage device. In this case study we are going to modelize silo behaviour when a seims occurs.
This model simulates the behavior of a spherical gas tank under its self-weight, internal pressure and seismic loads (elastic response spectrum, EC-8). Prestressed modal-spectral analysis is used to obtain maximum displacements, modal frequencies, and mobilized masses. The beam stiffening is also checked under load combinations according to Eurocode 2. It is also verified that under the combination load no lifting of the foundation slab occurs. A touching slab-ground contact with a coefficient of friction of 0.6 is applied.
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