Abdul ahad monisha podder puja arafat chowdhury sabrina zissan mahbub al muhaimin md.
Mat foundation ppt.
Mat or raft foundation is a large concrete slab supporting several columns in two or more rows.
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6 mat raft foundation 7 types of mat foundations 8 to design mat foundation.
A mat foundation is used when the subsoil is weak and column loads are so heavy that the conventional spread footings cover more than 50 of the building area.
Mat foundations are sometimes preferred for soils that have low load bearing capacities but that will have to support high column or wall loads.
A mat foundation also may be used to resist hydrostatic pressures or to bridge over small soft spots in the soil provided the mat is adequately reinforced.
Abu bakar siddik sabrina mehenaz tanvir alam khan md.
Hydrostatic uplift resistance is needed etc.
It is common to use mat foundation or deep basements to transfer the column loads to the underlying soil as well as provide floor slab for the basement.
The soil is soft with a low bearing capacity.
Presentation on mat foundation department of civil engineering 1 2.
It may encompass the entire foundation area or only a portion.
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Sohanur rahman prince 1316006 2.
Presentation on mat foundation 1.
It is used where the supporting soil has low bearing capacity.
Mat foundations 10 1 introduction a mat foundation is a large concrete slab used to interface one column or more than one col umn in several lines with the base soil.
A mat may be used to support on grade storage tanks or several pieces of indus trial equipment.
The spread footings cover over 50 of the foundation area because of large column loads.
Raft mat foundation is used in those places where we have less bearing capacity of the soil.
Although mat foundations are more difficult and more costly to design than individual spread footings they can be used effectively.
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Presentedby name md.
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Aliur rahman shuvo 1316027 bangladesh university of engineering and technology 3.
The bearing capacity increased by combining all individual footings in to one mat since bearing capacity is proportional to width and depth of foundations.
Mat foundation raft foundation it is a combined footing that may cover the entire area under a structure supporting several columns and walls.
