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An evolving design philosophy for port structures in many seismically active regions reflects the observations that: -The deformations in ground and foundation soils and the corresponding structural deformation and stress states are key design parameters. -Conventional limit equilibrium-based methods are not well suited to evaluating these parameters. -Some residual deformation may be acceptable. Performance-based design is an emerging methodology whose goal is to overcome the limitations present in conventional seismic design. Conventional building code seismic design is based on providing capacity to resist a design seismic force, but it does not provide information on the performance of structure when the limit of the force-balance is exceeded. If we demand that limit equilibrium not be exceeded for the relatively high intensity ground motions associated with a rare seismic event, the construction cost will most likely be too high. If forcebalance design is based on amore frequent seismic event, then it is difficult to estimate the seismic performance of the structure when subjected to ground motions that are greater than those used in design. In this thesis a case study will be carried out on a typical port structure to show the performance evolution aspects and its comparison with damage criteria and performance grade in performance-based methodology.

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Thesis (Ph. D.)--University of Hawaii at Manoa, 1995. / Includes bibliographical references (leaves 180-193). / Microfiche. / xxi, 193 leaves, bound ill 29 cm

Pang Ho Yin, Dennis. / "Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 2010-2011, design report." / Includes bibliographical references (p. 55). / Chapter 00 --- Introduction / Chapter 0.1 --- Content --- p.0-1 / Chapter 0.2 --- Statement --- p.0-2 / Chapter 01 --- Fundamental issue / Chapter 1.1 --- Sea Water Level Rises / Chapter 1.1.1 --- Global Warming --- p.1-3 to 1-4 / Chapter 1.1.2 --- Sinking Cities / Chapter 1.1.2.1 --- Venice / Chapter 1.1.2.2 --- Amsterdam / Chapter 1.2 --- Reclamation Issues --- p.1-6 / Chapter 1.2.1 --- Area of reclamated Land in the world --- p.1-7 / Chapter 1.2.2 --- The Influence After Reclamation --- p.1-8 / Chapter 1.3 --- High Population in Coastal Cities / Chapter 1.3.1 --- Population Distribution in the world --- p.1-9 / Chapter 1.3.2 --- Limitation of the development of the coastal cities --- p.1-10 / Chapter 1.4 --- Attitude towards the Environment / Chapter 1.4.1 --- Not Rescue Project --- p.1-11 to 1-12 / Chapter 1.4.2 --- High Density to Low Density --- p.1-13 / Chapter 1.4.3 --- Slow Traffic/Mass Traffic instead of Private Traffic --- p.1-13 / Chapter 1.5 --- Case Study --- p.1-14 to 1-17 / Chapter 02 --- Research Study / Chapter 2.1 --- Urban Development Study / Chapter 2.1.1 --- Geometry / Chapter 2.1.1.1 --- Ideal Cases --- p.2-18 / Chapter 2.1.1.2 --- Real Cases --- p.2-19 / Chapter 2.1.1.3 --- Further Expansion --- p.2-20 / Chapter 2.1.1.4 --- Coastal Cities --- p.2-21 / Chapter 2.1.2 --- City Function / Chapter 2.1.2.1 --- Financial --- p.2-22 / Chapter 2.1.2.2 --- Tourism --- p.2-23 / Chapter 2.1.2.3 --- Low Density --- p.2-24 / Chapter 2.1.2.4 --- Coastal Cities --- p.2-25 / Chapter 2.1.3 --- Density Control --- p.2-26 / Chapter 2.1.3.1 --- New Town --- p.2-27 / Chapter 2.1.3.2 --- Green Belt --- p.2-28 / Chapter 2.1.4 --- City Transformation / Chapter 2.1.4.1 --- Reason --- p.2-29 / Chapter 2.1.4.2 --- Method --- p.2-30 / Chapter 2.1.4.3 --- Potential Site --- p.2-31 to 2-32 / Chapter 2.2 --- Comparing Cases / Chapter 2.2.1 --- Background information --- p.2-33 / Chapter 2.2.1.1 --- Area --- p.2-34 / Chapter 2.2.1.2 --- Populaion and density --- p.2-35 / Chapter 2.2.1.3 --- Land Use --- p.2-36 / Chapter 2.2.2 --- Living Style / Chapter 2.2.2.1 --- As A Leisure Land --- p.2-37 to 2-39 / Chapter 2.2.2.2 --- Transportation system --- p.2-40 / Chapter 03 --- Design Strategy / Chapter 3.1 --- Site Selection / Chapter 3.1.1 --- Conditon --- p.3-44 / Chapter 3.1.2 --- Land Use --- p.3-45 / Chapter 3.1.3 --- Other Approach / Chapter 3.1.3.1 --- Reclamation + Dam --- p.3-46 / Chapter 3.1.3.2 --- Moving to Higher Land/Inner Land --- p.3-47 / Chapter 3.1.3.3 --- Artificial Island --- p.3-48 / Chapter 3.1.4 --- Program --- p.3-49 / Chapter 3.2 --- Prelinimary Design / Chapter 3.2.1 --- Master layout plan --- p.3-50 to 3-52 / Chapter 3.2.2 --- Sectional Design --- p.3-53 to 3-54 / Chapter 04 --- Conclusion / Chapter 4.1 --- Conclusion and Expectation --- p.4-55 / Chapter 4.2 --- Reference --- p.4-56

No description available.

No description available.

Call number: LD2668 .T4 1986 V57 / Master of Science / Biological and Agricultural Engineering

M.Ing. (Mechanical Engineering) / The development of crashworthy seats for helicopters during the past three decades is discussed. The primary design criteria is mentioned and the disadvantages of crashworthy seats that are currently in use are highlighted. An hydraulic energy absorber which automatically compensates for the mass of the seat occupant was designed and a simulation model was developed. The concept for the control valve used was obtained from WARRICK [25]. Results of the simulations correlated well with those of WARRICK. A prototype of a mechanical/hydraulic accelerometer was designed, manufactured and tested. The results obtained from the experiments compared favourably with simulation values. The simulated and experimental results indicate that the concept of using an hydraulic energy absorber, in a crashworthy seat, is very satisfactory. Future crashworthy seat designs could be enhanced by incorporating this promising device.

The results of hydrodynamic analyses of two problems involving offshore structures are displayed graphically. This form of presentation of the results and the liberal use of colour have been found to significantly help the ease in which the results are interpreted. For the transformation of waves around an artificial island, a time history of the evolution of the regular, unidirectional wave field around an artificial island is obtained. Through the use of colour, regions in which wave breaking occurs have been clearly defined. The numerical technique used is based on the finite element method using eight noded isoparametric elements. The determination of the transformed wave field takes wave breaking, wave refraction, diffraction, reflection and shoaling into account. The graphical display is achieved by using a plotting program developed for the output of finite element analyses. The motions of a semi-submersible rig are computed from the RAO curves of the rig, used to obtain its' small response in a random sea. The numerical technique used in the analysis assumes that the vertical members are slender and may be analysed using the Morison equation whereas the hulls are treated as large members which are discretised and analysed using diffraction theory. The discretisation of the cylinders and hulls together with the time history of the rig's motions are displayed graphically. Once again, the graphical display is plotted using a program developed for the output of finite element analyses for four noded elements. In this case, a finite element technique has not been employed but the results were ordered to act as though this is the case. The slender members (cylinders) and large members (hulls) are clearly distinguishable by using different colours. The elements used in the analysis are also clearly shown. The VAX 11/730 system was used to obtain the results shown. A video tape, using the results of a time stepping procedure, was made by successively recording the hardcopies produced by the VAX printer. The time stepping could also be seen, in real time, on the IRIS. / Applied Science, Faculty of / Civil Engineering, Department of / Graduate