اروع ما وصل الينا فى تصميم الحوائط الساندة WALLAP 5.0.3 - GEOSOLVE

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  • الوقت
  • عرض
مسح الكل
مشاركات جديدة
  • vb
    عضو جديد
    • Sep 2018
    • 1359

    اخوانى الأعزاء
    السلام عليكم ورحمة الله وبركاته ،،،
    اهديكم هذا البرنامج من افضل واروع ما وقع تحت يدى فى تصميم الحوائط الساندة
    استمتعوا باوقاتكم ولا تنسونى من صالح دعائكم


    WALLAP V.5.0.3

    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. The wall and soil are modelled as a beam and springs. Two spring models are available:

    Subgrade reaction analysis (for routine design)
    2-D Finite element analysis (for a more rigorous approach)

    Modelling the Construction Sequence

    The following types of construction activity may be specified and combined in any order so as to model the construction sequence:

    Excavate (including berms)
    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

    Soil Properties

    A maximum of 40 different soil types can be defined including:

    Cohesive / cohesionless
    Drained / undrained
    Normally / over-consolidated
    Soil strength is defined in terms of Ka, Kac, Kp, Kpc and cohesion. There is a Help facility to derive Ka etc.. from soil, wall friction and backfill angles.
    Soil stiffness is expressed in terms 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 and Anchors

    Struts or anchors can be installed at up to 40 levels and may be pre-stressed. Struts can also be removed after installation.

    Water Pressures

    Hydrostatic or non-hydrostatic Water Pressure Profiles may be defined on both sides of the wall, to model a variety of complex conditions including:

    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 defined over a rectangular loaded area. Ramp surcharges can be defined i.e. Surcharge magnitude may vary linearly with distance from the wall.

    Loads and Restraints

    Horizontal and moment loads may be applied to the wall. 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 Input and Editing

    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.
    Data may be entered in any consistent set of units e.g. (kN,m), (lb,feet). All print-out from the program is automatically annotated in the appropriate units.

    Output from the Program

    Output from the program consists of the following:

    Listing of input data
    Output at selected stages of:
    - Factors of safety
    - Bending moments and shear forces
    - Wall pressures
    - Displacements
    - Strut/anchor forces
    Summary output of:
    - Factors of Safety at each stage
    - Strut forces at each stage
    - Maximum/minimum bending moment and displacement at each stage
    - Cumulative bending moment and shear force envelopes
    - Cumulative displacement envelope
    Output to an Excel spreadsheet
    - Tabulated results for selected stages can be sent to an .xls file


    Data and results are displayed in graphical form either on the screen or in hard copy. Graphical display of the data shows:

    The soil profile,
    Water pressure profiles,
    Applied loads/restraints,
    Strut positions,
    Boundary conditions.
    Results are displayed in the form of:
    Bending moment diagrams,
    Shear force diagrams,
    Wall pressure diagrams,
    Wall displacement diagrams.

    Hot Keys

    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:- Press F1 at any time for context sensitive help on data entry or current activity. Press Alt+H at any time to use the Help Index. Subjects covered include advice on the selection of values of earth pressure coefficients and soil modulus.

    Hardware Requirements

    WALLAP version 5 operates on all Windows systems. Program files occupy about 1.5Mb of disk space. Operation of the program requires about 10Mb off RAM.


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  • مشرف القسم الهندسي
    • Nov 2018
    • 1808

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