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Struts can also be removed after installation. Struts or anchors can be installed at up to 40 levels and may be pre-stressed. Linear variations of cohesion and modulus with depth. Soil stiffness is expressed in terms of Young's modulus and Poisson's ratio. from soil, wall friction and backfill angles. There is a Help facility to derive Ka etc. Soil strength is defined in terms of Ka, Kac, Kp, Kpc and cohesion. The following types of construction activity may be specified and combined in any order so as to model the construction sequence:Ī maximum of 40 different soil types can be defined including: Subgrade reaction analysis (for routine design)Ģ-D Finite element analysis (for a more rigorous approach) The wall and soil are modelled as a beam and springs. Modelling of the stage by stage development of forces and wall movements as construction proceeds. WALLAP offers two separate types of analysis within the one program:Ĭalculation of Factors of Safety according to one of the
Wallap 5 manual manual#
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. Surcharges may be applied and removed while struts and anchors may be installed and removed. The strata profile consists of up to 40 soil types with hydrostatic or non-linear water pressure distributions.
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Earth pressures are calculated automatically from basic soil properties. 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.įactors 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. WALLAP is a powerful, fast and user-friendly program for analysing the stability of cantilevered and propped retaining walls. Hot Keys for instant Help, Error reporting, Data plot and Uniform or variable surcharges applied at or below ground levelįully automatic calculation of earth pressures Automatic water pressure balancing option Hydrostatic or non-hydrostatic water pressures. استمتعوا باوقاتكم ولا تنسونى من صالح دعائكمįactor of Safety calculation in accordance withīending moments and wall displacements calculated by finiteĬonstruction sequence and Berm excavation modelled