Discussion of “Model Study of Laterally Loaded Piles”

Davisson, M. T.; Salley, J. Ronald

doi:10.1061/jsfeaq.0001770

Cited by 2 publications

(4 citation statements)

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“…Based on gradual failure techniques, the ultimate pile resistances are determined based on Davisson’s ( 16 ), De Beer ( 20 ) yield load (YL) and Fuller and Hoy’s ( 21 ) criteria. In addition, ultimate pile resistances are determined based on the following settlement-based failure criteria: 10% B ( 22 ), 5% B ( 2 ), and 1 in.…”

Section: Static Load Test Resultsmentioning

confidence: 99%

“…Based on gradual failure techniques, the ultimate pile resistances are determined based on Davisson’s ( 16 ), De Beer ( 20 ) YL, and the residual loads produced by initial or lock-in forces in piles will result in residual shaft resistance and residual end bearing. During pile driving, pile compressions and rebounds cause relative displacement between the pile shaft and surrounding geomaterials.…”

Section: Residual Force Attributable To Pile Drivingmentioning

confidence: 99%

“…In another study, seven SLTs and seventy-seven DLTs were conducted at seven bridge locations in Brown County, Wisconsin ( 14 ). The SLTs were conducted in accordance with the American Society of Testing Materials (ASTM) D1143 ( 15 ), and the Davisson ( 16 ) criterion was used to determine the ultimate pile resistance. These measured pile resistances were compared with that determined from PDA/CAPWAP.…”

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confidence: 99%

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Evaluation of Static Load Test Systems for Driven Piles in Intermediate GeoMaterials

Masud

Oluwatuyi

et al. 2023

Transportation Research Record: Journal of the Transportation R

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The driven pile designs in intermediate geomaterials (IGMs) entail relatively significant levels of uncertainty because of the transitional properties of IGMs between soil and hard rock. The performance and acceptability of driven piles in IGMs are typically evaluated using dynamic load test (DLT) approaches. Even though dynamic techniques have significant technological and financial advantages, a static pile load test (SLT) is required to comprehend the static behavior of driven piles in IGMs. This study presents three distinct SLT systems (independent, integrated, and innovative) that are performed on steel H-piles driven in IGMs in Iowa, Wyoming, and Colorado, respectively. Test pile 2 (TP2) is driven into siltstone in Wyoming, whereas test pile 1 (TP1) and test pile 3 (TP3) are driven into shale in Iowa and Colorado, respectively. DLTs are conducted using Wave Equation Analysis Program (WEAP) and Pile Driving Analyzer (PDA) with a signal-matching analysis utilizing the Case Pile Wave Analysis Program (CAPWAP). The ultimate pile resistances are evaluated using six distinct failure criteria. According to the Davisson criterion, TP1 has the ultimate pile resistance of 305 kips, which is 11% and 2% less than the CAPWAP and WEAP analyses, respectively. For TP2, ultimate pile resistances based on all SLT criteria are higher than that from the DLTs, except for the 5%B criterion with ultimate pile resistance at 7% lower than CAPWAP. It is evident from TP3 that the ultimate resistances acquired from SLTs are higher than the resistances obtained from dynamic analysis.

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Section: Static Load Test Resultsmentioning

confidence: 99%

Section: Residual Force Attributable To Pile Drivingmentioning

confidence: 99%

mentioning

confidence: 99%

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Evaluation of Static Load Test Systems for Driven Piles in Intermediate GeoMaterials

Masud

Oluwatuyi

et al. 2023

Transportation Research Record: Journal of the Transportation R

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“…It is proposed by Davisson (1972) to estimate failure load, which corresponds to the elastic movement of the pile [20] according to Equation ( 1):…”

Section: Davisson Methodsmentioning

confidence: 99%

Evaluation of the Bearing Capacity of the Board Pile in Collapsible Soil using A Laboratory Model

Mohsen,

Albusoda

2023

E3S Web Conf.

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The pile’s ultimate capacity or failure load must be computed by some criteria using load-settlement curve data gathered during the pile load test. Many scholars have proposed several approaches for evaluating the pile’s ultimate capacity in the past. This study compared different failure criteria to predict the ultimate load capacity for piles with two different lengths-to-diameter ratios embedded in gypseous soil with gypsum content of 60% under soaked and unsoaked conditions. Two types of piles were used. Floating pile and end-bearing pile. Davisson, Brinch Hansen’s 80 percent, Chin-Kondner, Mazurkiewicz’s, and Brinch Hansen’s 90 methods that were used in this study predict a higher value of the ultimate pile capacity, whereas the Decourt Extrapolation method gave fluctuated value. Fuller and Hoy’s, Butler and Hoy’s methods give far away value from realistic. On the other hand, Shen’s, ASTM, Terzaghi, and DeBeer’s methods predicted an acceptable and realistic value. The failure criterion of (15%D) where (D) is pile diameter according to(ASTM D-1143) was adopted in this type of soil.

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Discussion of “Model Study of Laterally Loaded Piles”

Cited by 2 publications

References 0 publications

Evaluation of Static Load Test Systems for Driven Piles in Intermediate GeoMaterials

Evaluation of Static Load Test Systems for Driven Piles in Intermediate GeoMaterials

Evaluation of the Bearing Capacity of the Board Pile in Collapsible Soil using A Laboratory Model

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