Computer-Based Optimal Design of Sewer Systems

by LaVere B. Merritt, (M.ASCE), Asst. Prof. of Civ. Engrg.; Brigham Young Univ., Provo, UT,
Richard H. Bogan, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Washington, Seattle, WA,

Serial Information: Journal of the Environmental Engineering Division, 1973, Vol. 99, Issue 1, Pg. 35-53

Document Type: Journal Paper


Based on a wide scope of model tests performed in cohesionless soils media, the bearing capacity and efficiency of various pile groups and the action of piles in a group have been considered in detail. The test results have shown that under certain conditions the ultimate load of a group could not be identical with the sum of the bearing capacity of single piles constituting the group, and that action of the pile groups depends in particular on: (1) initial compaction of soil; (2) spacing of piles in a group; and (3) the shape of groups and the number of piles in a group. Some suggestions for calculation of the bearing capacity of pile groups have been presented.

Subject Headings: Pile groups | Pile tests | Load bearing capacity | Computing in civil engineering | Sewers | Soil tests | Cohesionless soils | Load tests

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