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Info: Key Features Cantilever walls Anchored walls Strutted excavations Sheet pile walls RC Diaphragm walls Factor of Safety calculation in accordance with Eurocode 7 and BS 8002 Bending moments and wall displacements calculated by finite element analysis Construction sequence and Berm excavation modelled Soil arching and Soil-wall gap modelled Non-linear elastic/plastic soil model Hydrostatic or non-hydrostatic water pressures. Automatic water pressure balancing option Uniform or variable surcharges applied at or below ground level Structural loads applied to the wall Fully automatic calculation of earth pressures Simple data input with interactive Help Hot Keys for instant Help, Error reporting, Data plot and Summary output Free choice of units Graphical output of data and results Fully documented 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 according 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 40 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 access to the comprehensive User Manual giving detailed guidance on data input and interpretation of results. Methods of Analysis WALLAP offers two separate types of analysis within the one program: Limit Equilibrium Analysis Calculation of Factors of Safety according to one of the following methods: BS 8002 (Burland-Potts) Eurocode 7 (Strength factor method) British Standard Code of Practice No.2 BSC Piling Handbook Bending moment and Displacement Analysis Modelling of the stage by stage development of forces and wall movements as construction proceeds. Harold Rosenberg The Tradition Of The New Pdf Ncoer.

The wall and soil are modelled as a beam and springs.