CN109034556A - A kind of sustainable road network maintenance optimization method - Google Patents
A kind of sustainable road network maintenance optimization method Download PDFInfo
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- 238000012423 maintenance Methods 0.000 title claims abstract description 74
- 238000005457 optimization Methods 0.000 title claims abstract description 23
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- 239000005431 greenhouse gas Substances 0.000 claims abstract description 18
- 238000004458 analytical method Methods 0.000 claims description 12
- 230000009429 distress Effects 0.000 claims description 4
- 230000008439 repair process Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012512 characterization method Methods 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 4
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Abstract
It is related to a kind of sustainable road network maintenance optimization method, include the following steps: step 1: all roads operation time limits and every kilometer of Pavement Performance index in survey area, the main maintenance measure of used road, the greenhouse gas emission of expense, estimated service life, consumed energy and generation in survey area.Step 2: guaranteeing that the annual average behavior in section does not reduce, construct road surface operation optimization function, keep maintenance costs minimum.Step 3: building Pavement Performance majorized function, by implementing maintenance measure, under the premise of being no more than the budget of setting, the Pavement Performance for keeping all sections annual is not less than required value and average value is made to reach maximization.Step 4: keeping total maintenance costs not increase, constructing environment influences majorized function, uses the energy caused by maintenance and maintenance road surface minimum with greenhouse gas emission.Optimization Pavement Condition simultaneously reduces energy consumption and greenhouse gas emissions.Belong to highway maintenance planning technology and management domain.
Description
Technical field
The invention belongs to highway maintenance planning technologies and management domain scope, and in particular to a kind of sustainable road network maintenance
Optimization method.
Background technique
With constantly improve for highway traffic infrastructure construction, highway mileage quantity increases sharply, the various defects in road surface
Increasingly severe with damaging, maintenance of surface work is also more and more important.Limited fund how is distributed and used, road network is maintained at
One preferable Pavement Performance and service level are always the hot spot of major administrative department and research worker's concern.As area
Domain highway authorities, it is thus necessary to determine that the maintenance plan of entire road network in project period meets people's trip requirements to the maximum extent.
This just needs, by the decision comparison between different schemes, to make its economic and social benefits most in the case where limitedly conserving fund condition
It is excellent, and then road network is made to reach optimal service level.
In area road maintenance management, a specific section or road network, in terms of the longer analysis phase, for road surface
Particular technique situation, can take several different maintenance measure, and every kind of maintenance maintenance measures imitate the improvement of road
Fruit, the expense of needs, energy consumption and greenhouse gas emission are different, in next analysis phase, pavement behavior and upper single order
The repair mode of Duan Caiyong is associated, while this period, and different maintenance measures can be used, and different maintenances are arranged
The improvement for applying road pavement again will be related to later each stage.Therefore the road maintenance programming of road network is needed with sustainability, this
Sustainable kind includes the various aspects such as pavement technique situation, fund, environment.
Therefore, it is necessary to develop a kind of sustainable road network maintenance optimization method, the sustainable of Regional Road Network development is realized
Property.
Summary of the invention
For the technical problems in the prior art, the object of the present invention is to provide a kind of sustainable road networks to conserve
Optimization method passes through reasonable arrangement maintenance measure action opportunity, position and implementation within the curing period of the following certain time
Scale, makes that road network overall performance is optimal, fund most saves, and discharge and energy consumption caused by environmental impact minimization.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of sustainable road network maintenance optimization method, includes the following steps: step 1: all road road transports in survey area
Seek the time limit and every kilometer of Pavement Performance index, it is the main maintenance measure of used road in survey area, expense, estimated
The greenhouse gas emission of service life, consumed energy and generation；Step 2: guarantee that the annual average behavior in section does not reduce,
Road surface operation optimization function is constructed, keeps maintenance costs minimum；Step 3: building Pavement Performance majorized function, by implementing maintenance dimension
Measure is repaired, under the premise of being no more than the budget of setting, the Pavement Performance for keeping all sections annual is not less than required value and makes average
Value reaches maximization；Step 4: keeping total maintenance costs not increase, constructing environment influences majorized function, makes to conserve and repair road surface
The generated energy uses and greenhouse gas emission is minimum.
Road surface performance index includes in step 1, Pavement Condition index (PQI), Pavement distress (PCI),
Road surface quality index (RQI), pavement rutting depth index (RDI), pavement skid resistance condition index (SRI) and pavement structure are strong
Spend one or more indexs in index (PSSI).
Maintenance measure includes: the cementation of fissures, mist sealing, crushed stone sealing, micro-surface area, thin overlay, overhaul and reconstruction.
Road surface operation optimization function are as follows:
Constraint condition:
In formula, Ct,j- time t use handle measure j expense；
Qi,t、Qi,t-1- in time t and time t-1, the Pavement Performance index on i-th road；
Li- the i-th road section length；
Z-maintenance costs；
N-section sum；
T-analysis phase year；
J-maintenance plan sum.
Pavement Performance majorized function are as follows:
Constraint condition:
QL≤Qi,t≤100
In formula, QLThe minimum limit value of-Pavement Performance index；
BtThe maintenance costs limit value of-the t；
Ct,j- time t use handle measure j expense；
Qi,t- in time t, the Pavement Performance index on i-th road；
Li- the i-th road section length；
Z-maintenance costs；
N-section sum；
T-analysis phase year；
J-maintenance plan sum.
Road environment influences majorized function are as follows:
Constraint condition:
QL≤Qi,t≤100
In formula, the coefficient of α, β-characterization energy and greenhouse gas emission dimension difference；
Li- the i-th road section length；
Et,j- in time t using energy consumed by handle measure j；
Gt,j- greenhouse gases the amount for using handle measure j to be discharged in time t；
N-section sum；
T-analysis phase year；
J-maintenance plan sum；
BtThe maintenance costs limit value of-the t.
Compared with the existing technology, present invention has the advantage that
A kind of sustainable road network of the invention conserves optimization method, is keeping the not increased premise of annual maintenance budget
Under, it optimizes Pavement Condition and greatly reduces energy usage amount and greenhouse gas emissions.It is mentioned by using the present invention
The method of confession, in management road net, to make between economy and environmental factor in short term with long-term tradeoff, by suitably reducing road
Condition service level objective, may increase considerably in terms of environment influence, will generate positive shadow to the sustainable development of road network
It rings.
Detailed description of the invention
Fig. 1 is annual maintenance expense distribution map.
Fig. 2 is that environment influences annual maintenance work amount distribution map after optimization.
Specific embodiment
It is next below that the present invention will be further described in detail.
A kind of sustainable road network maintenance optimization method, implementation steps include:
(1) road surface master data is investigated
The present embodiment has counted the road surface of 3000 lanes kilometer so that certain Regional Road Network includes 3000 lanes kilometer road as an example
Deterioration extent indices P CI, PCI average value is 80.3, and Pavement distress decays year by year meets S type curve distribution (formula 1).
The Pavement Design service life 15 years, the analysis phase as the present embodiment.The main maintenance measure used includes micro-surface area, rubble envelope
Layer, thin overlay, milling resurfacing and reconstruction, estimated service life, the consumed energy and the production of each maintenance measure
Raw greenhouse gas emission is as shown in table 1.
1 maintenance measure basic performance data of table
PCI-Pavement distress；
T-road age (in terms of year)；
β, k-model regression parameter, β=2.94, k=-0.12.
(2) guarantee that the annual average behavior in section does not reduce not increase with total maintenance costs, construct road surface operation optimization letter
Number (formula 2), keeps maintenance costs minimum.By 3.62 hundred million yuan of total maintenance costs that calculated for 15 terms.
Constraint condition:
In formula, Ct,j- time t use handle measure j expense；
Qi,t、Qi,t-1- in time t and time t-1, the Pavement Performance index on i-th road；
Z-maintenance costs；
N-section sum；
T-analysis phase year；
J-maintenance plan sum.
Li- the i-th road section length.
(3) Pavement Performance majorized function (formula 3) is constructed, by implementing maintenance measure, in the budget for being no more than setting
Under the premise of, the Pavement Performance for keeping all sections annual is not less than required value and average value is made to reach maximization；By calculating 15 years
3.59 hundred million yuan of total maintenance costs of phase, annual maintenance expense is as shown in Figure 1.
Constraint condition:
QL≤Qi,t≤100
In formula, QLThe minimum limit value of-Pavement Performance index；
BtThe maintenance costs limit value of-the t；
Ct,j- time t use handle measure j expense；
Qi,t- in time t, the Pavement Performance index on i-th road；
Li- the i-th road section length；
Z-maintenance costs；
N-section sum；
T-analysis phase year；
J-maintenance plan sum.
(4) total maintenance costs is kept not increase, constructing environment influences majorized function (formula 4), makes to conserve and repair road surface institute
The energy of generation uses and greenhouse gas emission is minimum.By calculating 3.486 hundred million yuan of total maintenance costs of 15 terms, annual maintenance
Expense is as shown in Figure 1.
Constraint condition:
QL≤Qi,t≤100
In formula, the coefficient of α, β-characterization energy and greenhouse gas emission dimension difference；
Li- the i-th road section length；
Et,j- in time t using energy consumed by handle measure j；
Gt,j- greenhouse gases the amount for using handle measure j to be discharged in time t；
Z-maintenance costs；
N-section sum；
T-analysis phase year；
J-maintenance plan sum；
BtThe maintenance costs limit value of-the t.
By calculating, compared with directlying adopt maintenance measure, energy consumption reduces 8% after environment influences optimization, greenhouse gas
Body discharge reduces 9%, has certain effects of energy saving and emission reduction, and road network is made to have sustainable developability.The present invention does not limit to
State embodiment, those skilled in the art can make a variety of variations accordingly, but any should contain with of the invention equivalent or similar change
Lid is within the scope of the invention as claimed.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (6)
1. a kind of sustainable road network conserves optimization method, which comprises the steps of:
Step 1: all roads operation time limits and every kilometer of Pavement Performance index in survey area, in survey area used by
The main maintenance measure of road, the greenhouse gas emission of expense, estimated service life, consumed energy and generation；
Step 2: guaranteeing that the annual average behavior in section does not reduce, construct road surface operation optimization function, keep maintenance costs minimum；
Step 3: building Pavement Performance majorized function, by implementing maintenance measure, under the premise of being no more than the budget of setting,
The Pavement Performance for keeping all sections annual is not less than required value and average value is made to reach maximization；
Step 4: keeping total maintenance costs not increase, constructing environment influences majorized function, makes to conserve and repair caused by road surface
The energy uses and greenhouse gas emission is minimum.
2. a kind of sustainable road network according to claim 1 conserves optimization method, it is characterised in that: road surface in step 1
Performance index includes Pavement Condition index (PQI), Pavement distress (PCI), Road surface quality index
(RQI), in pavement rutting depth index (RDI), pavement skid resistance condition index (SRI) and pavement structural strength index (PSSI)
One or more indexs.
3. a kind of sustainable road network according to claim 1 conserves optimization method, step 3, which is characterized in that maintenance dimension
The measure of repairing includes: the cementation of fissures, mist sealing, crushed stone sealing, micro-surface area, thin overlay, overhaul and reconstruction.
4. a kind of sustainable road network according to claim 1 conserves optimization method, step 2, which is characterized in that road surface fortune
Seek majorized function are as follows:
Constraint condition:
In formula, Ct,j- time t use handle measure j expense；
Qi,t、Qi,t-1- in time t and time t-1, the Pavement Performance index on i-th road；
Li- the i-th road section length；
Z-maintenance costs；
N-section sum；
T-analysis phase year；
J-maintenance plan sum.
5. a kind of sustainable road network according to claim 1 conserves optimization method, step 3, which is characterized in that road surface property
Energy majorized function are as follows:
Constraint condition:
QL≤Qi,t≤100
In formula, QLThe minimum limit value of-Pavement Performance index；
BtThe maintenance costs limit value of-the t；
Ct,j- time t use handle measure j expense；
Qi,t- in time t, the Pavement Performance index on i-th road；
Li- the i-th road section length；
Z-maintenance costs；
N-section sum；
T-analysis phase year；
J-maintenance plan sum.
6. a kind of sustainable road network according to claim 1 conserves optimization method, step 4, which is characterized in that road surface ring
Border influences majorized function are as follows:
Constraint condition:
QL≤Qi,t≤100
In formula, the coefficient of α, β-characterization energy and greenhouse gas emission dimension difference；
Li- the i-th road section length；
Et,j- in time t using energy consumed by handle measure j；
Gt,j- greenhouse gases the amount for using handle measure j to be discharged in time t；
Z-maintenance costs；
N-section sum；
T-analysis phase year；
J-maintenance plan sum；
BtThe maintenance costs limit value of-the t.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109740774A (en) * | 2019-02-28 | 2019-05-10 | 中国公路工程咨询集团有限公司 | The modification method and electronic equipment in maintenance of surface measure library |
| CN111369019A (en) * | 2020-03-03 | 2020-07-03 | 交通运输部公路科学研究所 | Feasibility judgment method for pavement maintenance scheme |
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| JP2016089593A (en) * | 2014-11-11 | 2016-05-23 | 株式会社東芝 | Road maintenance management system, control method and computer program |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109740774A (en) * | 2019-02-28 | 2019-05-10 | 中国公路工程咨询集团有限公司 | The modification method and electronic equipment in maintenance of surface measure library |
| CN109740774B (en) * | 2019-02-28 | 2021-07-30 | 中国公路工程咨询集团有限公司 | Correction method of pavement maintenance measure library and electronic equipment |
| CN111369019A (en) * | 2020-03-03 | 2020-07-03 | 交通运输部公路科学研究所 | Feasibility judgment method for pavement maintenance scheme |
| CN111369019B (en) * | 2020-03-03 | 2024-03-01 | 交通运输部公路科学研究所 | Feasibility judging method for pavement maintenance scheme |
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