A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Identifying the hazard characteristics of pipes in water distribution systems by using the proportional hazards model: 1. Theory
A methodology to assess and track changes in the hazard functions between water main breaks are developed by using the proportional hazards model. For this purpose, the risk sets for the estimation of the parameters of the proportional hazards model are redefined for each break interval. The methdology provides a systematic framework for analyzing changes of the hazard functions of water mains as more breaks occur. Therefore, a progression of the hazard function can be examined as the number of pipe breaks increases, and a critical point, at which the hazard function changes to a different functional form, e.g. from an exponential to a constant hazard, can be obtained to distinguish different stages of pipe failure.
Identifying the hazard characteristics of pipes in water distribution systems by using the proportional hazards model: 1. Theory
A methodology to assess and track changes in the hazard functions between water main breaks are developed by using the proportional hazards model. For this purpose, the risk sets for the estimation of the parameters of the proportional hazards model are redefined for each break interval. The methdology provides a systematic framework for analyzing changes of the hazard functions of water mains as more breaks occur. Therefore, a progression of the hazard function can be examined as the number of pipe breaks increases, and a critical point, at which the hazard function changes to a different functional form, e.g. from an exponential to a constant hazard, can be obtained to distinguish different stages of pipe failure.
Identifying the hazard characteristics of pipes in water distribution systems by using the proportional hazards model: 1. Theory
KSCE J Civ Eng
Park, Suwan (author)
KSCE Journal of Civil Engineering ; 8 ; 663-668
2004-11-01
6 pages
Article (Journal)
Electronic Resource
English
Survival Analysis of Water Distribution Pipe Failure Data Using the Proportional Hazards Model
| British Library Conference Proceedings | 2008
Cox proportional hazards modelling of blockage risk in vitrified clay wastewater pipes
| Online Contents | 2016
Cox proportional hazards modelling of blockage risk in vitrified clay wastewater pipes
| Taylor & Francis Verlag | 2017
Cox proportional hazards modelling of blockage risk in vitrified clay wastewater pipes
| Online Contents | 2017