Table 2

Summary of ten pile records from field tests at EOD and last restrike

Test pile IDSoil profileIowa countyPile sizeHammerTime of SLT: dRm: kNTime of last restrike: dRe: kNWEAPCapwap
REOD: kNRBOR: kNREOD: kNRBOR: kN
ISU1MixedMahaskaHP 250 × 85Delmag D19-42100881N/A565473N/A631N/A
ISU2ClayMillsHP 250 × 63Delmag D19-4295562·97191343614359578
ISU3ClayPolkHP 250 × 63Delmag D19-32366671·95378366585440658
ISU4ClayJasperHP 250 × 63Delmag D19-42166854·75467422688453685
ISU5ClayClarkeHP 250 × 63Delmag D16-32910817·9239163511387901088
ISU6ClayBuchananHP 250 × 63Delmag D19-42149469·814806241122644937
ISU7MixedBuchananHP 250 × 63Delmag D19-42132369·761514129251331
ISU8MixedPoweshiekHP 250 × 63Delmag D19-42157214·95578607811621710
ISU9SandDes MoinesHP 250 × 63APE D19-42257039·77792737667751688
ISU10SandCedarHP 250 × 63APE D19-4265654·64743685593538526

SLT, static load test; Rm, measured pile resistance determined from SLT based on Davisson’s criterion; Re, estimated pile resistance using the Iowa Blue Book method; REOD, estimated pile resistance at EOD; RBOR, pile resistance determined at BOR; Capwap, Case Pile Wave Analysis Program HP, steel H-pile; N/A, not available

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