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Papers by Charles Scawthorn

Seismic Design of Buildings

CRC Press eBooks, Feb 28, 2005

Determining or estimating the forces that will act on a structure and designing the structure so ... more Determining or estimating the forces that will act on a structure and designing the structure so as to both resist these forces and keep deflections win the prescribed limits are two distinct steps involved in seismic design. This chapter provides a basic explanation of the seismic design of buildings. First the chapter will discuss how earthquakes forces are caused in buildings and the systems that have been developed to deal with these forces and then will review the most common types of buildings and their typical seismic performance. The chapter will also discuss key aspects of seismic design and the force-determination aspect currently used in building codes.

AccessScience

This paper briefly introduces the structure and network layout of Gansu Earthquake Early Warning ... more This paper briefly introduces the structure and network layout of Gansu Earthquake Early Warning Stations Network, and discusses the relationship of the effective early warning time and the radius of early warning blind zone with consumed time for early warning. Based on the layout of the current and future earthquake early warning stations network of Gansu, the consumed time for early warning under three stations triggered and six stations triggered is calculated and analyzed. In addition, the contour map of consumed time for early warning in Gansu is drawn. The results show that the effective early warning time is negatively correlated with consumed time for early warning, and the radius of the early warning blind zone is positively correlated with consumed time. And the consumed time for early warning of the future earthquake early warning stations network under three triggered stations and six triggered stations in Gansu is shortened by 29.24% and 37.13% compared with those of the current earthquake early warning stations network. After the completion of the Gansu Subproject, the effective early warning time will be increased and the radius of the early warning blind zone will be reduced, then the early warning capability in Gansu is to be greatly improved.

Earthquake Risk Management: An Overview

Earthquake Engineering

CRC Press eBooks, Oct 24, 1997

Dams and Appurtenant Facilities

The anticipated Tokai earthquake : Japanese prediction and preparedness activities

応急給水の必要性--最近の災害からの教訓 (IWSA地震対策ワークショップ特集号) -- (セッション6:耐震基準と設計)

水道協会雑誌, May 1, 1999

Multi-hazard reliability for a major water utility agency in the San Francisco bay area

8th US National Conference on Earthquake Engineering 2006, 2006

Performance Characteristics of Structures, 1985 Mexico City Earthquake

... CE Database Search | Descriptions | Search Tips | Subject Heading List. Performance Character... more ... CE Database Search | Descriptions | Search Tips | Subject Heading List. Performance Characteristics of Structures, 1985 Mexico City Earthquake. by Charles Scawthorn , MehmetCelebi , and Jorge Prince pp. 217-232 Purchase Information Permissions for Reuse ...

Fire Losses from Earthquakes: State of the Art

Developments in Geotechnical Engineering, 1987

ABSTRACT Fire following earthquake caused the largest single loss due to earthquakes in the Unite... more ABSTRACT Fire following earthquake caused the largest single loss due to earthquakes in the United States. The potential for future conflagrations following earthquakes is substantial. A model for post-earthquake fire has been developed, which considers initial and spreading fires, wind, building density and fire service response. Applied to the Los Angeles Region for a postulated M 6.5 event on the Newport-Inglewood fault zone, and to the San Francisco Bay Area for a postulated 8.3 event on the San Andreas fault, it shows that numerous large fires, neighborhood in size, are likely, with total regional losses in excess of several billion dollars. The model and results are unique in the United States, and permit alternative mitigation measures, such as lifeline hardening (e.g., improvements in the water supply system) or improved operational plans, to be considered in a cost-benefit context. We briefly discuss such mitigation, including an example of ongoing work in San Francisco.

Reliability - based design of water supply systems

Water supply, 2000

Water supply is a vital need in emergencies such as naturla disasters, for both response to major... more Water supply is a vital need in emergencies such as naturla disasters, for both response to major incidents such as large fires and hazardous material spills, and for potable needs of the population. Potable needs are obvious and are extremely elastic in the short term. However, for longer periods, major hardships result if the normal water supply is significantly disrupted. This was most recently seen in Kobe, as a result of the Hanshin earthquake, has been noted in other natural disasters, and was strikingly demonstrated in another (non-earthquake) setting - that of the refugee camps in Rwanda and Zaire, where in 1994 thousands of deaths resulted from unsanitary water conditions. The deployment of large diameter hose (LDH) systems to these camps quickly alleviated the situation, greatly reducing lifeloss. Emergency water supply involves reconciling a number of competing uncertain factors - a review of recent efforts highlights these factors and provides a framework for broader application.

Seismic Design of Buildings

CRC Press eBooks, Nov 2, 2005

Earthquakes, Fires and Urban Areas - All the Ingredients for a Disaster

Seismic Reliability Assessment of Critical Lifeline Equipment

Development of Probabilistic Earthqake Damage Estimation Models

Natural Disaster Reduction, 1997

Fundamentals of Earthquake Engineering

CRC Press eBooks, Feb 28, 2005

Seismic Design of Buildings

CRC Press eBooks, Feb 28, 2005

Determining or estimating the forces that will act on a structure and designing the structure so ... more Determining or estimating the forces that will act on a structure and designing the structure so as to both resist these forces and keep deflections win the prescribed limits are two distinct steps involved in seismic design. This chapter provides a basic explanation of the seismic design of buildings. First the chapter will discuss how earthquakes forces are caused in buildings and the systems that have been developed to deal with these forces and then will review the most common types of buildings and their typical seismic performance. The chapter will also discuss key aspects of seismic design and the force-determination aspect currently used in building codes.

AccessScience

This paper briefly introduces the structure and network layout of Gansu Earthquake Early Warning ... more This paper briefly introduces the structure and network layout of Gansu Earthquake Early Warning Stations Network, and discusses the relationship of the effective early warning time and the radius of early warning blind zone with consumed time for early warning. Based on the layout of the current and future earthquake early warning stations network of Gansu, the consumed time for early warning under three stations triggered and six stations triggered is calculated and analyzed. In addition, the contour map of consumed time for early warning in Gansu is drawn. The results show that the effective early warning time is negatively correlated with consumed time for early warning, and the radius of the early warning blind zone is positively correlated with consumed time. And the consumed time for early warning of the future earthquake early warning stations network under three triggered stations and six triggered stations in Gansu is shortened by 29.24% and 37.13% compared with those of the current earthquake early warning stations network. After the completion of the Gansu Subproject, the effective early warning time will be increased and the radius of the early warning blind zone will be reduced, then the early warning capability in Gansu is to be greatly improved.

Earthquake Risk Management: An Overview

Earthquake Engineering

CRC Press eBooks, Oct 24, 1997

Dams and Appurtenant Facilities

The anticipated Tokai earthquake : Japanese prediction and preparedness activities

応急給水の必要性--最近の災害からの教訓 (IWSA地震対策ワークショップ特集号) -- (セッション6:耐震基準と設計)

水道協会雑誌, May 1, 1999

Multi-hazard reliability for a major water utility agency in the San Francisco bay area

8th US National Conference on Earthquake Engineering 2006, 2006

Performance Characteristics of Structures, 1985 Mexico City Earthquake

... CE Database Search | Descriptions | Search Tips | Subject Heading List. Performance Character... more ... CE Database Search | Descriptions | Search Tips | Subject Heading List. Performance Characteristics of Structures, 1985 Mexico City Earthquake. by Charles Scawthorn , MehmetCelebi , and Jorge Prince pp. 217-232 Purchase Information Permissions for Reuse ...

Fire Losses from Earthquakes: State of the Art

Developments in Geotechnical Engineering, 1987

ABSTRACT Fire following earthquake caused the largest single loss due to earthquakes in the Unite... more ABSTRACT Fire following earthquake caused the largest single loss due to earthquakes in the United States. The potential for future conflagrations following earthquakes is substantial. A model for post-earthquake fire has been developed, which considers initial and spreading fires, wind, building density and fire service response. Applied to the Los Angeles Region for a postulated M 6.5 event on the Newport-Inglewood fault zone, and to the San Francisco Bay Area for a postulated 8.3 event on the San Andreas fault, it shows that numerous large fires, neighborhood in size, are likely, with total regional losses in excess of several billion dollars. The model and results are unique in the United States, and permit alternative mitigation measures, such as lifeline hardening (e.g., improvements in the water supply system) or improved operational plans, to be considered in a cost-benefit context. We briefly discuss such mitigation, including an example of ongoing work in San Francisco.

Reliability - based design of water supply systems

Water supply, 2000

Water supply is a vital need in emergencies such as naturla disasters, for both response to major... more Water supply is a vital need in emergencies such as naturla disasters, for both response to major incidents such as large fires and hazardous material spills, and for potable needs of the population. Potable needs are obvious and are extremely elastic in the short term. However, for longer periods, major hardships result if the normal water supply is significantly disrupted. This was most recently seen in Kobe, as a result of the Hanshin earthquake, has been noted in other natural disasters, and was strikingly demonstrated in another (non-earthquake) setting - that of the refugee camps in Rwanda and Zaire, where in 1994 thousands of deaths resulted from unsanitary water conditions. The deployment of large diameter hose (LDH) systems to these camps quickly alleviated the situation, greatly reducing lifeloss. Emergency water supply involves reconciling a number of competing uncertain factors - a review of recent efforts highlights these factors and provides a framework for broader application.

Seismic Design of Buildings

CRC Press eBooks, Nov 2, 2005

Earthquakes, Fires and Urban Areas - All the Ingredients for a Disaster

Seismic Reliability Assessment of Critical Lifeline Equipment

Development of Probabilistic Earthqake Damage Estimation Models

Natural Disaster Reduction, 1997

Fundamentals of Earthquake Engineering

CRC Press eBooks, Feb 28, 2005