[미국특허]
PAVEMENT MANAGEMENT SYSTEM
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
공개
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0141874
(2008-06-18)
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공개번호 |
US-0319309
(2009-12-24)
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발명자
/ 주소 |
|
대리인 / 주소 |
LARIVIERE, GRUBMAN & PAYNE, LLP
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인용정보 |
피인용 횟수 :
0 인용 특허 :
0 |
초록
▼
A system and method for analyzing and minimizing the life-cycle cost of constructing, maintaining and rehabilitating a network of highway pavements for a pre-determined life-cycle and associated range of minimum acceptable conditions thereof. Specifically, the present invention enables a decision ma
A system and method for analyzing and minimizing the life-cycle cost of constructing, maintaining and rehabilitating a network of highway pavements for a pre-determined life-cycle and associated range of minimum acceptable conditions thereof. Specifically, the present invention enables a decision maker to realize the trade-off between cost and pavement condition, thereby aiding the decision maker in choosing an appropriate allocation of resources for pavement construction, maintenance and rehabilitation.
대표청구항
▼
What is claimed is as follows: 1. A method for minimizing the life-cycle cost of constructing, maintaining and rehabilitating a network of highway pavements for a pre-determined life-cycle and associated range of minimum acceptable pavement conditions thereof, commonly referred to as a pavement man
What is claimed is as follows: 1. A method for minimizing the life-cycle cost of constructing, maintaining and rehabilitating a network of highway pavements for a pre-determined life-cycle and associated range of minimum acceptable pavement conditions thereof, commonly referred to as a pavement management system, said method comprising; determining an initial pavement condition for each pavement segment; determining the cost of construction, maintenance and rehabilitation activities over the life-cycle of each pavement segment; determining the rate at which pavement condition deteriorates for each pavement segment given the pavement structure, traffic, environmental conditions, etc.; for each minimum acceptable pavement condition in the range, determining the least life-cycle cost of construction, maintenance and rehabilitation activities for each pavement segment; for each minimum acceptable pavement condition in the range, determining a network life-cycle cost by adding tip the least life-cycle costs for each pavement segment in the network; creating a trade-off curve showing the network life-cycle cost against the minimum acceptable pavement condition; using the minimum acceptable pavement condition for the network at a pre-selected point on the trade-off curve to determine the construction and M&R activities for each pavement segment. 2. A software product comprising instructions stored on computer-readable media, wherein the instructions, when executed by a computer, perform steps for minimizing the life-cycle cost of constructing, rehabilitating and maintaining a network of highway pavements for a pre-determined life-cycle and associated range of minimum acceptable pavement conditions thereof commonly referred to as a pavement management system, said software product comprising: instructions for determining the initial pavement condition of each pavement segment; instructions for determining the cost of construction, maintenance and rehabilitation activities over the life-cycle of each pavement segment; instructions for determining the rate at which pavement condition deteriorates for each pavement segment given the pavement structure, traffic, environmental conditions, etc.; instructions for determining the least life-cycle cost of construction, maintenance and rehabilitation activities for each pavement segment subject to a given minimum acceptable pavement condition; instructions for determining a network life-cycle cost for each minimum acceptable condition in the range, by adding up the least life-cycle costs for each object in the set; instructions for creating a trade-off curve showing the total life-cycle cost of the network against the minimum acceptable pavement condition; and instructions for using the minimum acceptable pavement condition for the network at a pre-selected point on the trade-off curve to determine the construction and M&R activities for each pavement segment. 3. A method for minimizing the life-cycle cost of constructing, maintaining and rehabilitating a set of objects for a pre-determined life-cycle and associated range of minimum acceptable conditions thereof, said method comprising: determining the initial condition of each object in the set; determining the cost of construction, maintenance and rehabilitation activities over the life-cycle of each object in the set; determining the rate at which condition deteriorates for each object in the set; for each minimum acceptable condition in the range, determining the least life-cycle cost of construction, maintenance and rehabilitation activities for each object; for each minimum acceptable condition in the range, determining a total life-cycle cost by adding up the least life-cycle costs for each object in the set; creating a trade-off curve showing the total life-cycle cost against the minimum acceptable condition; using the minimum acceptable condition for the set of objects at a pre-selected point on the trade-off curve to determine the construction and M&R activities for each object.
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