On the ultimate limit state design proof for laterally loaded piles

geotechnik ◽  
2014 ◽  
Vol 37 (1) ◽  
pp. 19-31 ◽  
Author(s):  
Klaus Thieken ◽  
Martin Achmus ◽  
Kirill Alexander Schmoor
Keyword(s):  
Limit State ◽  
Ultimate Limit State ◽  
Laterally Loaded Piles ◽  
Limit State Design ◽  
Ultimate Limit State Design ◽  
Laterally Loaded ◽  
Ultimate Limit

An Automated Approach for Designing Monopiles Subjected to Lateral Loads

2017 ◽  
Author(s):  
James P. Doherty ◽  
Barry M. Lehane
Keyword(s):  
Limit State ◽  
Ultimate Limit State ◽  
Lateral Loads ◽  
Limit States ◽  
Laterally Loaded Piles ◽  
Improve Design ◽  
Design Procedures ◽  
Automated Algorithm ◽  
Laterally Loaded ◽  
Ultimate Limit

This paper describes an automated algorithm for determining the length and diameter of monopile foundations subject to lateral loads with the aim of minimising the pile weight, whilst satisfying both ultimate and serviceability limit states. The algorithm works by wrapping an optimisation routine around a finite element p - y model for laterally loaded piles. The objective function is expressed as a function representing the pile volume, while the ultimate limit state and serviceability limit states are expressed as optimisation constraints. The approach was found to be accurate and near instantaneous when compared to manual design procedures and may improve design outcomes and reduce design time and costs.

scholarly journals A Structural Analysis Of A Factory Hall With A Two-Story Office Building As A Precast And Prestressed Concrete Construction

2021 ◽  
Author(s):  
Olesja Befus
Keyword(s):  
Structural Analysis ◽  
Prestressed Concrete ◽  
Limit State ◽  
Steel Structure ◽  
Ultimate Limit State ◽  
Limit State Design ◽  
European Standards ◽  
Ultimate Limit State Design ◽  
Manual Calculation ◽  
Ultimate Limit

The objective of this thesis is to develop a precast and prestressed concrete design for a factory hall, which was initially planned as a steel structure. Furthermore, a structural analysis is conducted on several chosen structural elements according to the European Standards and the German Annexes respectively. The analysis is done both by manual calculation and software calculation for comparison and includes the ultimate limit state design, the serviceability limit state design and the design for the state of transportation and assembly of the precast members. Lastly, to illustrate the results of the analysis, an overview drawing with the new concrete design as well as formwork and reinforcement drawings for each of the analyzed structural members are developed.

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