Elpla.com sells software for geotechnical and design engineering

Title

ELPLA analyze and design of Raft, mat foundation

Description

ELPLA is a program for analyzing and designing slab/ raft mat foundations with the real subsoil model. The program can analyze different types of subsoil models. ELPLA (ELASTIC PLATE) is a program for analyzing raft foundations of arbitrary shape with the real subsoil model. The mathematical solution of the raft is based on the finite element method. The program can analyze different types of subsoil models, especially the three-dimensional Continuum model that considers any number of irregular layers. A good advantage of this program is the capability to handle the three analyses of flexible, elastic and rigid foundations. In addition, the mesh of the rigid and flexible foundations can be constructed to be analogous to the finite elements mesh of the elastic foundation. Therefore, the three analyses can be compared easily and correctly. ELPLA can also be used to represent the effect of external loads, neighboring foundations, tunneling and the influence of the temperature difference on the raft. ELPLA Calculation methods In ELPLA, 9 different numerical methods with 3 soil models are considered for analyzing raft foundations as follows: 1) Linear contact pressure (Simple assumption model) 2) Constant modulus of subgrade reaction (Winkler's model) 3) Variable modulus of subgrade reaction (Winkler's model) 4) Modification of modulus of subgrade reaction by iteration (Winkle's model/ Continuum model) 5) Modulus of compressibility method for elastic raft on half-space soil medium (Isotopic elastic half-space soil medium - Continuum model) 6) Modulus of compressibility method for elastic raft on layered soil medium (Solving system of linear equations by iteration) (Layered soil medium - Continuum model) 7) Modulus of compressibility method for elastic raft on layered soil medium (Solving system of linear equations by elimination) (Layered soil medium - Continuum model) 8) Modulus of compressibility method for rigid raft (Isotopic elastic half-space soil medium and layered soil medium - Continuum model) 9) Modulus of compressibility method for flexible raft (Isotopic elastic half-space soil medium and layered soil medium- Continuum model) Beside the 9 main methods stated above, ELPLA can also be used to analyze system of flexible, elastic or rigid foundations. Further more, ELPLA can be used to analyze many other structural problems such as slab floors, grids, plane frame and plane stress. ELPLA Typical application Soil-structure interaction problems. Analysis and design of rafts. Analysis of rigid rafts. Analysis of flexible foundations. Analysis and design of slab floors. Determining the consolidation settlements Analysis and design of pile caps. Determining forces on piles due to structure loads. Settlement calculation of surface foundations. Determining the settlement due to surcharge fills or surcharge concentrated loads. Determining the surface settlement around rafts. Determining the constant or variable modulus of subgrade reaction. Effect of external loads or neighboring foundations. Effect of temperature difference. Effect of tunnelling. Analysis of system of flexible, elastic or rigid foundations. Analysis of beams or grids by FE method. Simulation of excavations and construction of embankments. Determining the ultimate bearing capacity of the soil. Determining the limit depth. Eliminating negative contact pressure. Design of slabs according to codes ACI, EC 2, DIN 1045 and ECP. Determining the stress in soil.

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English

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Geotec Software
Port Said POBOX
Egypt 465
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