Rehab or Replace? Foundation Testing Provides the Answer

Serial Information: Civil Engineering—ASCE, 1981, Vol. 51, Issue 6, Pg. 71-72

Document Type: Feature article


A $15 million, multidisciplinary testing program was undertaken to determine the least expensive methods of rehabilitating Locks and Dam No. 26 on the Mississippi River. The Problems were twofold—physical deterioration and inadequate capacity for handling increased barge traffic. Researchers investigated the feasibility of improving foundation soil characteristics and constructing additional support structures. The results confirmed previous studies—the whole project needed to be replaced at a new site. Among the tests described are a pile driving effects test, drilled-in pile tests, and rock anchor tests.

Subject Headings: Pile tests | Rehabilitation | Foundations | Locks (dam) | Traffic capacity | Soil properties | Locks (waterway) | Ecological restoration | Mississippi River

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