LAP: (Lateral Analysis of Piles) is a stunningly simple web-based application for calculating the response of pile foundations subjected to lateral loads.

FEATURES

PILE PROPERTIES

The pile is modeled with structural beam elements and can be assigned either linear-elastic or elastic-perfectly plastic material properties. Up to ten different pile sections can be included in a single analysis.

SOIL p-y CURVES

The soil is modeled as a collection of independent (Winkler) springs. The load displacement behavior of the springs can be specified using parameters for common p-y curves. Users can also specify their own p-y curves by pasting in tabulated data.

SOIL M-q curves

Non-linear moment-rotational soil springs can be specified down the length of the pile.

LOADING PILE

Loads can be specified as a combination of horizontal forces, applied moments, prescribed horizontal displacements and prescribed rotations at any location along the pile. A surcharge load can be applied on the ground surface adjacent to the pile. This has the effect of increasing the total vertical stress in the soil by an amount equal to the value of the surcharge load.

STRUTS AND TIES

 

Horizontal and rotational reaction springs can also be included. These reactions springs may represent structural elements that resist movement of the pile. They are not intended to represent the soil.

NON-LINEAR FEA IN THE CLOUD

 

The program solves for the pile response using non-linear finite element analysis. The calculations are performed on a cloud server. The the programs run efficiently on all devices connected to the internet.

SAVING AND SHARING INPUT DATA

 

Input data is saved as a project, with a Project Name and a Run ID. Projects are stored on a database server and users can access their projects across all of their devices. Projects can also be shared among users.

AUTO-DOCUMENTATION

 

All input and output data can be  downloaded in an Excel file (provided the device you are working on has Microsoft Excel installed). This allows for very rapid and thorough offline documentation.

ACCESS

 

The program can be accessed on any connected device. Users register their details. The program does not require the installation of any software other than a standard web browser.

GETTING STARTED

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