Use this URL to cite or link to this record in EThOS:
Title: The analysis and design of inflatable dams
Author: Alwan, A. D.
Awarding Body: University of Sheffield
Current Institution: University of Sheffield
Date of Award: 1980
Availability of Full Text:
Access through EThOS:
An alternative method to overcome the high cost and time required for the design, analysis, construction and operating of a conventional water control structure is an inflatable dam. The basic aim of this project is to study both theoretically and experimentally the behaviour and performance of inflatable dams under hydrostatic and hydrodynamic conditions and to develop a design method. A finite element approach is developed in order to analyse air, water and a combination of air and water inflated dams to determine the shape and tension of the membrane of the dam under hydrostatic and hydrodynamic conditions. A series of models of inflatable dams were constructed and tested under hydrostatic and hydrodynamic conditions. The shapes of these models were compared with the theoretical shapes obtained from the theoretical analysis. The comparison shows there was a good relationship between the experimental and theoretical shapes. A new formula was derived for calculating the rate of flow over the air, water and air/water inflated dams theoretically. This develops the potential for applying an inflatable dam as a device for measuring discharge. A design technique for a dam was developed to design air, water and air/water inflated dams under hydrostatic conditions. This,technique can be used for the design of dams with different geometry of base length. computer programs were written for the analysis and design of the dams based on the finite element approach and considerable efforts were undertaken to simplify the input data and the output results. A sub-program was developed to provide the results in graphic form if required.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Water control, hydrostatic, hydrodynamic