各种类型土的p-y曲线通过选择土的类型在内部对土的物质性模型化。用户还可自行输入p-y曲线。此外，为计算土砂和岩盘也可制作p-y曲线。
可选择几种状态的桩头境界状态。桩的特性根据深度相关的函数发生变化。用户还可根据指定的桩尺寸、材料特性及混凝土的行为，考虑内部发生的弯曲刚性（EI）的非线形性进行制作。
LPILE is a special-purpose and internationally recognized computer program based on rational procedures for analyzing a pile under lateral loading using the p-y method. LPILE solves the differential equation for a beam-column using a finite difference approach. The program computes deflection, bending moment, shear force and soil response over the length of the pile.
Multi-Layered Soil Media
Choose from variety of built-in load-transfer (p-y) curves for modeling complex soil behavior under lateral loading. Some of the available curves include soft clay, stiff clay with or without free water, sand, liquefied sand, rock, Piedmont residual soil, cemented c-φ soil, Loess silt, elastic subgrade, and API soft clay with user-defined J. Alternatively, import your own user-generated p-y curves for analysis.
Piles and Shafts
Model piles as either vertical or battered and consider sloping ground surfaces by adjusting internal modification factors. Specify boundary conditions at pile-head as free-head, pinned or fixed with sway, elastically-restrained with or without sway. See response of pile under lateral or bending moment, or specify lateral displacement or rotation at pile-head.
Modifiers
Specify user-defined multipliers to adjust for pile group effects in closely-spaced piles or to reduce pile response in liquefied layers for sustained long-term loading or seismic conditions. Consider soil-layering effects by adjusting p-y curves. Specify nonlinear resistance curves to consider tip shear resistance provided at the base of large diameter drilled shafts or short piles.
Loading
Specify distributed lateral loading along the length of the piles and shafts.
Load Combinations
Compute the response of piles up to 50 different user-defined load cases. For LRFD driven analyses, user can specify the load factors or LPILE can choose them.
Compute
Analyze and generate pile bending moment, shear force, mobilized sectional properties, or curvature of piles under each load case. LPILE uses finite difference method to discretize the underlying governing equations.
Quick
The average analysis takes only a few seconds.
Design Driven Analyses
Analyze different pile lengths to quickly determine the optimum pile penetration.
Display
Plot the bending moment, shear force, mobilized section properties or curvature along the depth of the pile.
Compare
Compare the results of different load cases.
Share
Detailed printer-friendly generated output files report all influencing parameters used for computation of internally generated p-y curves, deflection, bending moment, shear, mobilized soil reaction, moment-curvature, and more, with the option to to export all results into Microsoft Excel.
Operating System: Windows 7, 8/8.1, 10
Home Page – https://www.ensoftinc.com/products/lpile/
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