Abstract
A methodology is presented for the determination of the optimal timing for the rehabilitation/replacement of water distribution system components in order to minimize costs. In this model the pipe roughness together with the water quantity and the pressure requirements at demand nodes are considered as random variables so that constraints on nodal demands and minimum pressure heads are expressed in probabilistic form. A chance constrained approach is used to transform the model into a deterministic equivalent model which is further decomposed into an integer programming master problem and a nonlinear programming subproblem. An enumeration method can be used to solve the integer master problem, and a generalized reduced gradient method together with a hydraulic simulation model can be used to solve the nonlinear subproblem.
| Original language | English (US) |
|---|---|
| Title of host publication | Hydraul Eng Proc 1988 Natl Conf Hydraul Eng |
| Place of Publication | New York, NY, United States |
| Publisher | Publ by ASCE |
| Pages | 1149-1154 |
| Number of pages | 6 |
| ISBN (Print) | 0872626709, 0872626709 |
| State | Published - 1988 |
| Externally published | Yes |
| Event | Hydraulic Engineering: Proceedings of the 1988 National Conference on Hydraulic Engineering - Colorado Springs, CO, USA Duration: Aug 8 1988 → Aug 12 1988 |
Other
| Other | Hydraulic Engineering: Proceedings of the 1988 National Conference on Hydraulic Engineering |
|---|---|
| City | Colorado Springs, CO, USA |
| Period | 8/8/88 → 8/12/88 |
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ASJC Scopus subject areas
- Engineering(all)
Cite this
New methodology for determining the optimal rehabilitation and replacement of water distribution system components. / Su, Yu Chun; Mays, Larry.
Hydraul Eng Proc 1988 Natl Conf Hydraul Eng. New York, NY, United States : Publ by ASCE, 1988. p. 1149-1154.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - New methodology for determining the optimal rehabilitation and replacement of water distribution system components
AU - Su, Yu Chun
AU - Mays, Larry
PY - 1988
Y1 - 1988
N2 - A methodology is presented for the determination of the optimal timing for the rehabilitation/replacement of water distribution system components in order to minimize costs. In this model the pipe roughness together with the water quantity and the pressure requirements at demand nodes are considered as random variables so that constraints on nodal demands and minimum pressure heads are expressed in probabilistic form. A chance constrained approach is used to transform the model into a deterministic equivalent model which is further decomposed into an integer programming master problem and a nonlinear programming subproblem. An enumeration method can be used to solve the integer master problem, and a generalized reduced gradient method together with a hydraulic simulation model can be used to solve the nonlinear subproblem.
AB - A methodology is presented for the determination of the optimal timing for the rehabilitation/replacement of water distribution system components in order to minimize costs. In this model the pipe roughness together with the water quantity and the pressure requirements at demand nodes are considered as random variables so that constraints on nodal demands and minimum pressure heads are expressed in probabilistic form. A chance constrained approach is used to transform the model into a deterministic equivalent model which is further decomposed into an integer programming master problem and a nonlinear programming subproblem. An enumeration method can be used to solve the integer master problem, and a generalized reduced gradient method together with a hydraulic simulation model can be used to solve the nonlinear subproblem.
UR - http://www.scopus.com/inward/record.url?scp=0024130403&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0024130403&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:0024130403
SN - 0872626709
SN - 0872626709
SP - 1149
EP - 1154
BT - Hydraul Eng Proc 1988 Natl Conf Hydraul Eng
PB - Publ by ASCE
CY - New York, NY, United States
ER -