The Geosolve WALLAP software has been used to analyse the retaining wall in Design Manual For Roads And Bridges  Loads for highway bridges, BD . WALLAP is suitable for the analysis of both temporary works, such as sheet pile walls, and permanent works to the comprehensive User Manual giving detailed guidance on data input and interpretation of results. Developed by, Geosolve. برنامج Wallap – geosolve أدوات مهندس المياه. access to the comprehensive User Manual giving detailed guidance on data input and interpretation of results.
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Modelling the Construction Sequence.
Data Input and Editing. Output from the Program. GraphicsHot KeysHelp. WALLAP is a powerful, fast and user-friendly program for analysing the stability of cantilevered and propped retaining walls.
WALLAP is suitable for the analysis of both temporary works, such as sheet pile walls, and permanent works such as reinforced concrete diaphragm walls and contiguous bored pile walls. Factors of safety are computed geosolv to standard codes of practice while wall displacements and bending moments are calculated by a finite element analysis which models the actual sequence of construction of the wall.
Earth pressures are calculated automatically from basic soil properties.
The strata profile consists of up to soil types with hydrostatic or non-linear water pressure distributions. Surcharges may be applied and removed while struts and anchors may be installed and removed. The program is menu driven with context sensitive Help and on-line geosoove to the comprehensive User Manual giving detailed guidance on data input and interpretation of results.
Limit Equilibrium Analysis Calculation of Factors of Safety according to one of the following methods: The wall and soil are modelled as gepsolve beam and springs. Two spring models are available: Subgrade reaction analysis for routine design 2-D Finite element analysis for a more rigorous approach. The following types of construction waolap may be specified and combined in any order so as to model the construction sequence: Excavate including berms Fill Change water pressures Install and remove struts or anchors Apply and remove surcharges Apply loads to the wall Apply rotational restraints to the wall Change soil properties Change wall stiffness Seismic loading.
A maximum of different soil types can be defined including: There is a Help facility to derive Ka etc.
Soil stiffness is expressed in manuual of Young’s modulus and Poisson’s ratio. Optional soil properties include: Linear variations of cohesion and modulus with depth.
Arching active behaviour Simple non-linear elastic soil model. Struts or anchors can be installed at up to 80 levels and may be pre-stressed.
Geosolve- Software for earthworks and foundations design
Struts can also be removed after installation. Hydrostatic or non-hydrostatic Water Pressure Profiles may be defined on both sides of the wall, geosolbe model a variety of complex conditions including: Seepage Submerged ground Perched water tables Uplift pressures under structures. Automatic water pressure balancing option. This offers a convenient way of balancing water pressures at the toe of the wall by assuming a linear variation of piezometric head between the water levels either side of the wall.
Surcharges can be applied at or below ground level on the active or passive side of the wall. All surcharges are manuzl over a rectangular loaded area. Ramp surcharges can be defined i. Surcharge magnitude may vary linearly with distance from the geozolve. Horizontal and moment loads may be applied to the wall.
Geosolve GWALL 2014 v3.02, SLOPE 2014 v12.04, WALLAP 2013 v6.05
Rotational spring restraints may be applied at any elevation in order to model the effect of floor slabs which are built into the wall. Data entry is menu driven.
Data values are checked for permissible ranges. A list of data Errors and Warnings is displayed if unacceptable or inappropriate data combinations are detected. Data can be checked visually at any time during data entry or editing. Units Data may be entered in any consistent set of units e.
All print-out from the program is automatically annotated in the appropriate units. Output from the program consists of the following: Listing of input data Output at selected stages of: Data manuao results are displayed in graphical form either on the screen or in hard copy.
Graphical display of the data shows: Results are displayed in the form of: Bending moment diagrams, Shear force diagrams, Wall pressure diagrams, Wall displacement diagrams. Special Hot Keys give instant access to Help facilities, Error reporting, Data plotting during edit and Summary output during analysis. Help is provided at two levels: Subjects covered include advice on the selection of values of earth pressure coefficients and soil modulus.
Program files occupy about 3Mb of disk space. Operation of the program requires about 10Mb of RAM.