Jointless and Smoother Bridges: Behavior and Design of Piles

Frosch, Robert J.; Chovichien, Voraniti; Durbin, Katrinna; Fedroff, David

doi:10.5703/1288284313379

Cited by 13 publications

(20 citation statements)

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“…The pile orientation of noncircular cross sections was studied by Dicleli and Albhaisi (2003) and Frosch et al (2006). The depth of inflection point of the deformed shape and the effect of soil type and stiffness was studied by Frosch et al (2006) and Arockiasamy et al (2004). The effect of concrete shrinkage of the bridge superstructure was studied by .…”

Section: A4 Piles Capacity and Performance Under Cyclic Loadingmentioning

confidence: 99%

“…The concerning issues for piles supporting integral abutments are the lateral displacement capacity before buckling while maintaining the axial load capacity, the piles orientation for noncircular piles (along weak or strong axis), depth of inflection point of the deformed shape of the piles, the effect of soil type and stiffness on the pile performance, and the effect of superstructure (2003) and Frosch et al (2006) studied the displacement capacity against buckling. Frosch et al (2006) studied the deterioration of the pile abutment connection and loss of capacity to withstand axial loads.…”

Section: A4 Piles Capacity and Performance Under Cyclic Loadingmentioning

confidence: 99%

Section: A4 Piles Capacity and Performance Under Cyclic Loadingmentioning

confidence: 99%

“…Frosch et al (2006) studied the deterioration of the pile abutment connection and loss of capacity to withstand axial loads. The pile orientation of noncircular cross sections was studied by Dicleli and Albhaisi (2003) and Frosch et al (2006). The depth of inflection point of the deformed shape and the effect of soil type and stiffness was studied by Frosch et al (2006) and Arockiasamy et al (2004).…”

Section: A4 Piles Capacity and Performance Under Cyclic Loadingmentioning

confidence: 99%

“…Regardless and for lengths up to 500 ft and 60u skew, the larger displacement demands at the pileabutment connection were still below the threshold limit of 2.0 in. as adopted from Frosch, Chovichien, Durbin, and Fedroff (2006) and Frosch (personal communication, 2013), as shown in Figure 4.5. …”

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confidence: 99%

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Reduction of Bridge Construction and Maintenance Costs through Coupled Geotechnical and Structural Design of Integral Abutment Bridges

Frosch¹,

Bobet²,

Khasawneh³

2014

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JOINT TRANSPORTATION RESEARCH PROGRAMThe Joint Transportation Research Program serves as a vehicle for INDOT collaboration with higher education institutions and industry in Indiana to facilitate innovation that results in continuous improvement in the planning, design, construction, operation, management and economic efficiency of the Indiana transportation infrastructure. https://engineering.purdue.edu/JTRP/index_html Published reports of the Joint Transportation Research Program are available at: http://docs.lib.purdue.edu/jtrp/ NOTICEThe contents of this report reflect the views of the authors, who are responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views and policies of the Indiana Department of Transportation or the Federal Highway Administration. The report does not constitute a standard, specification, or regulation. COPYRIGHT AbstractElimination expansion joints in the superstructure of integral abutment bridges offers the advantage of reducing the initial and life cycle costs of the structure. However, such elimination may have an adverse effect on the displacement demand at the pile-abutment connection and on the earth pressures on the abutment wall due to the thermal expansion/contraction cycles of the bridge. These adverse effects have resulted in regulations that impose restrictions on the maximum length and skew angle of integral abutment bridges. This research consisted of a deep analysis of the problem by considering soil-structure interaction. The approach was multifaceted as it included experimental and numerical analysis. Upon calibration and verification of the constitutive model, it was used as part of a parametric analysis to provide recommendations for the design limits of integral abutment bridges.The analysis results showed that active state earth pressure is reached after the first contraction cycle. The displacement demand on piles is a function of the abutment wall displacement. Larger displacement demand of the pile at the acute corner when compared to the obtuse corner was observed during expansion and contraction cycles. The inflection point of the piles deformed shape was found to be at relatively shallow depth. Concrete shrinkage and sequence of loading affected significantly the displacement demand of the supporting piles, lower displacement demand of piles during the expansion cycle and larger displacement demand during contraction cycles. The analysis showed that a 500 ft bridge with 60° skew will provide acceptable long term performance. Key Wordsintegral abutment bridges, soil-structure interaction, piles, constitutive models, numerical analysis, coupled thermaldisplacement, larger scale test, physical model Distribution StatementNo restrictions. This document is available to the public through the National Technical Information Service, Springfield, VA 22161. IntroductionEliminating bearings and expansion joints in the superstructure of integral abutment bridges has many advantages in reducing ...

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Section: A4 Piles Capacity and Performance Under Cyclic Loadingmentioning

confidence: 99%

Section: A4 Piles Capacity and Performance Under Cyclic Loadingmentioning

confidence: 99%