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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Deformation-based seismic design models for waterfront structures

Yang, Dong-Shan 10 March 1999 (has links)
Recent experience demonstrates that waterfront structures are vulnerable to earthquake damage. The poor seismic performance of these facilities has been primarily due to liquefaction of backfill and/or foundation soils and the lack of seismic design standards for waterfront structures. The seismic performance of waterfront structures is a key issue in the evaluation of the unimpeded operations of the port system and affiliated facilities following earthquakes. The widespread economic consequences of earthquake-induced damage to waterfront structures and required serviceability of port components after earthquakes highlight the need for improved performance-based design methods. The weak foundation soils and high water tables that are common at ports result in a high vulnerability to seismically-induced ground failures and corresponding damage to adjacent structures. Liquefaction of backfill and foundation soils next to waterfront structures contributes to an increase in active lateral earth pressures against walls, loss of stability of rock dike, excessive ground settlements, and lateral soil movements. Current pseudostatic methods are not well suited to account for the influence of excess pore pressure generation as well as amplification of acceleration. In order to limit earthquake-induced deformations of waterfront structures, various ground treatment strategies have been used to mitigate liquefaction hazards at numerous ports. However, very few guidelines exist for specifying the extent of remedial soil treatment required to insure the serviceability of the waterfront components after a design-level earthquake. This research has investigated the seismic response of waterfront structures, specifically concrete caissons and pile-supported wharves, during past earthquakes. A numerical model was validated by comparing the computed response to field performance. A series of parametric studies were conducted for waterfront structures in improved soils. The effectiveness of soil improvement in controlling permanent seismically-induced deformations of the waterfront structures is evaluated as functions of wall geometry, the density of backfill soils, the stiffness of piles, the extent of the improved soil, and the characteristics of the strong ground motions. The results were synthesized into simplified, practice-oriented design charts for deformation-based analysis, and preliminary guidelines for estimating the extent of ground treatment that is required given allowable deformation limits for the caissons and pile-supported systems. / Graduation date: 1999
2

Reclaiming nature: nature & human nature.

January 2006 (has links)
Ko Wai Lam. / "Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 2005-2006, design report." / Includes bibliographical references. / Acknowledgement / Synopsis / Thesis Statement / Theoretical Research / Cases Studies / Concept of Buffering / Program / Site / Strategies / Design Development & Process / Final Design / Bibliography
3

Urban biotope: urban river regeneration in Asian cities.

January 2011 (has links)
Wong Chi Kan, Kenneth. / "Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 2010-2011, design report." / Includes bibliographical references. / In English with some text in Chinese. / Research / Chapter 00 --- Research Structure / Chapter 01 --- Urbanism in Asia / Urban phenonmenon in the past two centuries / Unique Urban phenonmenon in Asia / New Era of Urban Planning in Asia / Chapter 02 --- Urban Waterway Studies / Evolution of role of urban river / Composition of general urban river / Spatial conception of river / Urban waterway in Western Cities / General Embankment Edge condition / General Node condition / Urban Waterway River In Asian Cities / Chapter I. --- "Suzhou Creek, Shanghai 上海蘇州河" / Chapter II. --- "Cheonggyecheon, Seoul 首爾清溪川" / Chapter III. --- "Malacca River, Malacca 馬六甲河" / Background / Programmatic Zoning Analysis / Riverfront interface analysis / Human activities in river precinct / Interview with local professionals and citizens / Commentary / Chapter 03 --- Sharing / Chapter 04 --- Acknowledgement / Chapter 05 --- Special Studies / Special Study / Chapter 00 --- Constructed Wetland / Role of constructed wetland / Composition of constructed wetland / Constructed wetland construction / Chapter 01 --- Urban Sewage Treatment / Conventional sewage treatment flowchart / Biological sewage treatment flowchart / Design / Chapter 00 --- Site Analysis / Location / Layers of infrastructures / Transportation network / Greenery precinct / Water precinct / Cultural precinct / Chapter 01 --- Design Concept (Urban Scale) / Macro urban biotope - Kai Tak River / Sewage treatment flowchart proposal / Green network and riverfront rehabiltation / Chapter 02 --- Design Concept (Architecture Scale) / Micro urban biotope - Eco-cultural hub / Lanscape Layout / Conceptual diagram / Floor plans / Unfolder sectoinal drawings / Sustainble architectural feature / parametric facade design / biological tube structure / Spatial quality / Chapter 03 --- Reference
4

Waterfront building: an alternative proposal for the Hung Hom industrial area redevelopment.

January 2010 (has links)
Lai Ho Yi, Carrie. / "Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 2009-2010, design report." / "May 2010." / Includes bibliographical references. / Chapter CHAPTER 0 --- INTRODUCTION / Chapter 0.1 --- Overview / Chapter 0.2 --- Thesis Statement / Chapter 0.3 --- Methodology / Chapter 0.4 --- Working Schedule / Chapter CHAPTER 1 --- "Collection of FOREIGN BuildING EXAMPLES´ؤRELATIONSHIP betweeN LAND, WATER AND MARINE ARCHITECTURE" / Chapter 1.1 --- Type 1: Inshore structure departs from the shoreline / Chapter 1.2 --- Type 2: inshore structure touchcs the shoreline / Chapter 1.3 --- Type 3 Offshore structure touches the shoreline / Chapter 1.4 --- Type 4: Offshore structure departs from the shoreline / Chapter 1.5 --- Others: Amphibious Building / Chapter CHAPTER 2 --- DATA ANALYSIS-THE RESPONSES of BUILDING WITH WATER / Chapter 2.1 --- Creating public: space adjacent to water / Chapter 2.2 --- Enhancing the views towards water / Chapter 2.3 --- Increasing the contracting surface with water / Chapter 2.4 --- Addressing the water edge / Chapter CHAPTER 3 --- STRUCTURE / Chapter 3.1 --- Building on piles / Chapter 3.2 --- floating building / Chapter 3.3 --- Amphibious building / Chapter 3.4 --- Under water building / Chapter 3.5 --- Making use of existing structure / Chapter CHAPTER 4 --- THE CURRENT WATERFRONT SITUATION OF HONG KONG / Chapter 4.1 --- the waterfront of Hong Kong in building Scale-Selected BUILDING cases from entire Hong Kong / Chapter 4.2 --- The waterfront of Hong Kong in Urban Scale / Chapter CHAPTER 5 --- SITE INVESTIGATION / Chapter 5.1 --- Site SELECTION / Chapter 5.2 --- Evolution of the site / Chapter 5.3 --- Problems exist in the site / Chapter 5.4 --- Design scheme / Chapter CHAPTER 6 --- DESIGN PROPOSAL IN MASTER PLANNING LEVEL / Chapter 6.1 --- Overview of the master plan / Chapter 6.2 --- Detail Description of the master plan / Chapter CHAPTER 7 --- DESIGN SCHEME FOR A ZOOM-IN AREA: IN THE HARBOUR / Chapter 7. 1 --- The current situation at the freight terrninal and the design concept / Chapter 7.2 --- Different arrangement of the barges to suit for different occasions / Chapter 7.3 --- Detail design for the movable pool floor system / Chapter 7.4 --- Detail design of the component containing the changing room and cafe / Chapter CHAPTER 8 --- BIBLIOGRAPHY
5

Penetrating open fabric: knitting the city urbanized waterfront.

January 2010 (has links)
Lam Kwai Pui, Patrick. / "Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 2009-2010, design report." / "May 2010." / Chapter 0.0 --- Abstract / [Introduction] / Chapter 1.0 --- Inspiration / Chapter 1.1 --- "Theory - ""a city is not a tree""" / Chapter 1.2 --- Theory - Symbiosis / Chapter 1.3 --- Buffer zone in nature- Rock / Chapter 2.0 --- Issue / Chapter 2.1 --- Urban Phenomenon / Chapter 2.2 --- Problematic aspects / [Research] / Chapter 3.0 --- Precedent Studies / Chapter 3.1 --- Contextual Figure and Ground / Chapter 3.2 --- Planar Proportion and Dimension / Chapter 3.3 --- Planar Programme / Chapter 3.4 --- Sectional Proportion and Dimension / Chapter 3.5 --- Sectional Programme / Chapter 3.6 --- Photo / Chapter 4.0 --- Waterway analysis / Chapter 5.0 --- Environmental analysis / Chapter 5.1 --- Hong Kong Natural coastal Typology / Chapter 5.2 --- Under Sea Contour / Chapter 5.3 --- Tidal change and Typhoon surge / Chapter 6.0 --- Site Intervention / Chapter 6.1 --- Waterfront Accessibility / Chapter 6.2 --- Transportation / Chapter 6.3 --- Public Amenities and Greenery / [Design] / Chapter 7.0 --- Grid Layout / Chapter 7.1 --- Grid Transformation / Chapter 7.2 --- Adaptation to Waterfront Geometry' / Chapter 8.0 --- Urban Structure / Chapter 8.1 --- "Fabric, Network & Programme Distribution" / Chapter 8.2 --- Sectional Network System / Chapter 8.3 --- Overall Geometry Definition / Chapter 8.4 --- Overall Network Definition / Chapter 9.0 --- Houisng Form & Sunligt Hour / Chapter 9.1 --- Generic Development Problems / Chapter 9.2 --- Criteria Setting / Chapter 9.3 --- Strategy to Waterfront Context / Chapter 9.4 --- Strategy to public open space / Chapter 9.5 --- Strategy to Communal open space & Street / Chapter 9.6 --- Final Result / Chapter 9.7 --- Integration with Diamond Grid / Chapter 9.8 --- Integration Final Result / Chapter 10.0 --- Design Development / Chapter 10.1 --- Territorial scale Planar Justification / Chapter 10.2 --- Fabric scale Planar Justification / Chapter 10.3 --- Fabric scale Sectional Justification / Chapter 10.4 --- Building scale Planar Justification / Chapter 10.5 --- 1:2000 Conceptual Model / Chapter 10.6 --- 1:1000 Study Model / Chapter 10.7 --- 1:500 Fabric Model / Chapter 10.8 --- 1:200 Housing Model

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