Mat Foundation Design Calculation

Download free demo updated february 18 2019 soilstructure mat or raft foundation simplifies the calculation of combined footings and mats or rafts.

Mat foundation design calculation.

It is used where the supporting soil has low bearing capacity. The conventional rigid method and the approximate flexible method. Finite difference and finite element methods can also be used but this section covers only the basic concepts of the first design method. Contents design of raft foundations methods and calculations1.

Spreadsheets are hard. The spreadsheet includes all the tools required to complete a mat foundation design in accordance with bs en 1997 and bs en 1992. Complete analysis design of a mat or raft foundation analyses uniform thickness finite mat or raft foundation with free ends and supported by a beam on elastic foundation. Mat or raft foundation is a large concrete slab supporting several columns in two or more rows.

The bearing capacity increased by combining all individual footings in to one mat since bearing capacity is proportional to width and depth of foundations. The designer can analyse a mat foundation of any size including up to 32 columns placed anywhere on the foundation. This spreadsheet can be used to complete the design of mat foundations. The civilweb mat foundation design spreadsheet is a powerful and easy to use design spreadsheet which can be used to design mat foundations.

Conventional method of raft foundation design2 soil line method elastic method of raft foundation design design of raft foundations methods and calculations according to is 2950 1965 the design criteria of raft footings are given below. The maximum differential settlement in foundation on clayey soils and.