Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Making the Right Choice: Considerations for Trenchless Alternatives, Evaluations, and Design
The main purpose of this paper is to present considerations for the selection and design of trenchless pipeline projects. The information and recommendations herein are based on numerous trenchless projects performed by the authors. The two sections of this paper document the two major phases for typical trenchless projects - the first documents the evaluation and data collection phase required to evaluate trenchless methods, and the second section details aspects of the specifications and other contract documents affected by the selected trenchless methods. The abilities and limitations associated with various trenchless techniques can vary substantially from one method to another, leaving many owners and engineers uncertain of how to proceed when project requirements merit the consideration of a trenchless crossing. This first section chronicles the typical trenchless evaluation phase performed for trenchless crossing projects in order to examine the methods, risks, benefits, capabilities, and process for selecting crossing methods compatible with the project's specific site conditions. Trenchless options examined include horizontal directional drilling, microtunneling, pipe-jacking, auger-boring, and pipe-ramming. Geotechnical conditions and crossing requirements are alsoexamined on how they affect the selection of a trenchless method. Following the selection of a trenchless method, the specific risks and constraints of the particular trenchless system have to be addressed in the contract documents. The second part of this paper highlights several specific, trenchless-related sections that warrant consideration and discussion for inclusion in the contract documents, including the trenchless specification, bidder qualifications, differing site conditions, measurement and payment, excavation support systems, and geotechnical documents. During the design process, the engineer and owner should work together to address the risks of the selected trenchless method(s) while striving not to limit the contractor's means and methods.
Making the Right Choice: Considerations for Trenchless Alternatives, Evaluations, and Design
The main purpose of this paper is to present considerations for the selection and design of trenchless pipeline projects. The information and recommendations herein are based on numerous trenchless projects performed by the authors. The two sections of this paper document the two major phases for typical trenchless projects - the first documents the evaluation and data collection phase required to evaluate trenchless methods, and the second section details aspects of the specifications and other contract documents affected by the selected trenchless methods. The abilities and limitations associated with various trenchless techniques can vary substantially from one method to another, leaving many owners and engineers uncertain of how to proceed when project requirements merit the consideration of a trenchless crossing. This first section chronicles the typical trenchless evaluation phase performed for trenchless crossing projects in order to examine the methods, risks, benefits, capabilities, and process for selecting crossing methods compatible with the project's specific site conditions. Trenchless options examined include horizontal directional drilling, microtunneling, pipe-jacking, auger-boring, and pipe-ramming. Geotechnical conditions and crossing requirements are alsoexamined on how they affect the selection of a trenchless method. Following the selection of a trenchless method, the specific risks and constraints of the particular trenchless system have to be addressed in the contract documents. The second part of this paper highlights several specific, trenchless-related sections that warrant consideration and discussion for inclusion in the contract documents, including the trenchless specification, bidder qualifications, differing site conditions, measurement and payment, excavation support systems, and geotechnical documents. During the design process, the engineer and owner should work together to address the risks of the selected trenchless method(s) while striving not to limit the contractor's means and methods.
Making the Right Choice: Considerations for Trenchless Alternatives, Evaluations, and Design
Schey, Eric (Autor:in) / Chae, James (Autor:in)
Pipelines 2013 ; 2013 ; Fort Worth, Texas, United States
Pipelines 2013 ; 875-883
11.06.2013
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Exploring trenchless alternatives
Online Contents | 1996
Design Considerations for HDPE Pipe for Trenchless Applications
| British Library Conference Proceedings | 1997
Trenchless - the citizen's choice : conference papers
TIBKAT | 1993