What is an LPILE?
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.
What is strain factor E50?
Strain Factor (E50) – strain corresponding to 1/2 the maximum principal stress difference (typical values are provided in the table below) Undrained Shear Strength.
What is a py curve?
P-Y curves are the numerical models used to simulate the response of soil resistance (p, soil resistance per unit length of the pile) to the pile deflection (y) for the piles under lateral loading.
What is Reese sand?
The Reese series consists of very deep, poorly drained soils that formed in alluvium and lacustrine deposits derived from volcanic ash and volcanic rocks. Reese soils are on alluvial flats and flood plains.
How much does Lpile cost?
Select products
LPILE 2022 | LPILE 2022 |
---|---|
Upgrade from LPILE 2019/2018/2016 | Upgrade from LPILE 2019/2018/2016 |
Yearly maintenance fee (Single/Net) – Reference Only (a)(b)(c) | Yearly maintenance fee (Single/Net) – Reference Only (a)(b)(c) |
EnCPT 2019 | EnCPT 2019 |
EnFEM 2019 (special intro. price) | EnFEM 2019 (special intro. price) |
How do you calculate pile spring stiffness?
The final spring stiffness is determined by multiplying the stiffness per unit area calculated above by the area. The direction of the linear elastic vertical springs for the soils adjacent to piles should be perpendicular to the ground (GCS ‘-‘Z direction).
What is E50 elastic modulus?
E50 is Secant modulus, it is modulus of elasticity at 50% strength. E50 can be produced from triaxial test at drained as well as undrained conditions. E’ or E0 is initial tangent modulus. Elastic modulus of soil has various types and use of it depend upon structure and loading type.
What is subgrade modulus?
The Subgrade Modulus, also known as the Modulus of Subgrade Reaction, is a stiffness parameter typically used in defining the support conditions of footings and mat foundations, such as that shown on Figure 1. The parameter is expressed in units of [Force]/[Length]3.
What is depth of fixity of pile?
As proposed by Davisson and Robinson (1965), the most desirable simplification is to consider the lower end of the pile as fixed at some depth below the ground surface, this depth is called depth of fixity, L’S.
How do you calculate lateral pile capacity?
In general, at a pile-head deflection of 10 mm, the applied load, , is defined as the design value of lateral bearing capacity of single piles. As a result, the m value used to determine the lateral bearing capacity of single piles can be obtained from the m-Y0 curve.
What is the meaning of modulus of subgrade reaction?
Modulus of subgrade reaction is defined as the pressure per unit deformation of the subgrade at specific pressure or deformation. It is expressed as: k = p/s. Here, ‘k’ is the modulus or coefficient of subgrade reaction, ‘p’ is the pressure, and ‘s’ is the deformation of soil settlement.
What is spring stiffness?
When a coupling experiences a load in a direction that places it in tension or compression, its spring stiffness comes into effect. This is usually described by using Hooke’s Law. This law relates the force and displacement of a spring using its spring constant. This value varies for different materials.
What are the uses of silt soil?
Summary – What Grows Well In Silty Soil.
When should you use silt soil?
– pH lower than 5 – your soil is super acidic and needs to be brought up – pH between 5 and 5.8 – your soil is very acidic. You’ll find that plants like Strawberries and Blueberries do well in this soil. – pH between 5.5 and 6.8 – your soil is acidic. – pH between 6.0 and 6.8 – your soil is slightly acidic. – pH between 7 and 8 – your soil is very alkaline.
What are the basic properties of soil?
Weak: Weak cementation allows peds to fall apart into the three textural constituents,sand,silt and clay.
Where can you purchase silt?
buy silt curtains online To enable speedy purchasing and shipment of our Silt Curtains s, a selection of our 1m and 2m drop floating silt curtains are available for online purchase. We strongly suggest that you call us prior to placing an order to ensure the the silt curtain is suitable for your project and to discuss the chosen length.