Soilstructure mat or raft foundation simplifies the calculation of combined footings and mats or rafts.
Mat foundation design spreadsheet.
Design of raft foundation.
Mat foundation design spreadsheet this spreadsheet can be used to complete the design of mat foundations.
Safe tutorial analysis design of pile supported mat foundation.
A rectangular footing base with 4 pedestals located in grid in plan above it.
Raft foundations alternatively known as mat foundations are formed by large and solid reinforced concrete slabs having identical thickness normally 150 mm to 300 mm that expands over an extensive area often the whole footprint of a building under the entire building.
The conventional rigid methodand the approximate flexible method.
The structural design of mat foundations can be carried out by two conventional methods.
The spreadsheet includes all the tools required to complete a mat foundation design in accordance with bs en 1997 and bs en 1992.
How to use excel sheet to design a raft foundation raft foundations also known as mat foundations are huge concrete slabs upon which the columns and walls in a construction are laid on efficiently.
The columns can be subjected to axial horizontal and moment forces.
It completes both soil and pile supported multi load point mat foundations quickly and accurately.
Spreadsheets are hard to preserve and it is time consuming to calculate shear moment deflection and bearing pressures.
This program currently supports both the si units english units.
The designer can analyse a mat foundation of any size including up to 32 columns placed anywhere on the foundation.
Strap footing design spreadsheet xlsx.
Design example 18 5 page 561 reinf concrete a k jain.
Finite difference and finite element methods can also be used but this section covers only the basic concepts of the first design method.
The slab is extended underneath the whole building or somewhat a big part of it with the purpose of minimizing the contact pressure contrary to the.
Name of project.
3 0 definitions and acronyms 3 1 definitionsmat foundation.