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Isolated footings are constructed invidually & Mat foundation is making of mat and connecting all footings with this mat
They r the same. There is no difference.
yes
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design procedure
The raft will help to avoid any settlement that would occur to strip the foundation. The mat is just placed there to avoid slipping.
Yes.
You may want to use matte foundation if your face gets oily, greasy or shiny easily.
The type of mat foundations include flat plate mat, plate thickened under columns, and two-way beam and slab. The other types are plate with pedestal, rigid frame mat, and piled raft.
"The mat (or raft) foundation can be considered a large footing extending over a great area, frequently an entire building. All vertical structural loadings from columns and alls are supported on the common foundation. Typically, the mat is utilized for conditions where a preliminary design indicates that individual columns or footings would be undesirably close together or try to overlap. The mat is frequently utilitzed as a method to reduce or distribute building loads in order to reduce differential settlement between adjacent areas. To function properly, the mat structure will be more rigid and thicker than individual spread footing." A mat foundation is typically used when there are poor and weak soil conditions. (McCarthy, 2007)
The type of mat foundations include flat plate mat, plate thickened under columns, and two-way beam and slab. The other types are plate with pedestal, rigid frame mat, and piled raft.
i belive it would be 100meters high and 50meters left to right