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Frontiers of Structural and Civil Engineering

ISSN 2095-2430

ISSN 2095-2449(Online)

CN 10-1023/X

邮发代号 80-968

2019 Impact Factor: 1.68

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Frontiers of Structural and Civil Engineering  2018, Vol. 12 Issue (3): 291-299   https://doi.org/10.1007/s11709-017-0419-5
  本期目录
Analysis of cost effective pavement treatment and budget optimization for arterial roads in the city of Chattanooga
Mbakisya ONYANGO(), Saliha Ammour MERABTI, Joseph OWINO, Ignatius FOMUNUNG, Weidong WU
Department of Civil Engineering, University of Tennessee at Chattanooga, Chattanooga TN 37403, USA
 全文: PDF(477 KB)   HTML
Abstract：

Many transportation agencies lack sufficient funds to maintain and repair roads, which results into increased pavement maintenance cost. Pavement Management System (PMS) has demonstrated to be an essential tool for proper management of infrastructure and proper utilization of available funds. The University of Tennessee at Chattanooga utilized Micropaver software as PMS tool to conduct a pavement management analysis of principal arterials in the City of Chattanooga. The study used the City of Chattanooga pavement database to create the current and future pavement conditions. Maintenance and repair (M&R) planning analysis was also performed in order to determine the most cost-effective treatment and suggest the optimum utilization of funds for the city. An analysis of five budget scenarios was conducted for a five-year plan using the critical pavement condition index (PCI) method (ASTM D6433). Results show that the backlog elimination budget would be the best scenario because it increases the pavement condition and eliminates the backlog of major maintenance and repairs over the five-year period. The unlimited budget seems though ideal, it does not improve pavement condition. Maintaining current condition and limited budget scenarios would increase both the backlog and the total cost of maintenance and repairs over the analysis period.
Key words： PMS    Micropaver    pavement budget    maintenance    rehabilitation
收稿日期: 2016-09-22      出版日期: 2018-05-22
Corresponding Author(s): Mbakisya ONYANGO   
 引用本文:   
. [J]. Frontiers of Structural and Civil Engineering, 2018, 12(3): 291-299.
Mbakisya ONYANGO, Saliha Ammour MERABTI, Joseph OWINO, Ignatius FOMUNUNG, Weidong WU. Analysis of cost effective pavement treatment and budget optimization for arterial roads in the city of Chattanooga. Front. Struct. Civ. Eng., 2018, 12(3): 291-299.
 链接本文:  
https://academic.hep.com.cn/fsce/CN/10.1007/s11709-017-0419-5
https://academic.hep.com.cn/fsce/CN/Y2018/V12/I3/291
section rank weighted average condition lane miles percent area (%) number of sections percent sections average condition average age at inspection
principal 82.4 101.46 4.39 201 2.27 82.76 8.98
minor 83.67 314.55 13.61 869 9.8 83.2 10.81
collector 80.34 172.67 7.47 526 5.93 78.82 12.58
local 75.26 1722.46 74.53 7273 82 74.42 14.88
total 2311.15 100 8869 100
Tab.1  
Fig.1  
Fig.2  
condition category PCI value
failed 0?20
poor 21?50
fair 51?80
good 81?100
Tab.2  
network ID number of branches number of sections
COC-SA3-T1 7 32
COC-SA3-T2 14 107
COC-SA4-T1 3 35
COC-SA4-T2 3 23
COC-SA4-T4 1 4
total 28 201
Tab.3  
Fig.3  
Fig.4  
plan year PCI before PCI after stopgap funded preventive funded total
funded		 backlog accumulation at the last year
2015 73.64 73.66 $6,332 $125,666 $131,997
2016 72.44 72.46 $7,667 $124,158 $131,825
2017 71.29 71.31 $10,653 $121,118 $131,772
2018 70.2 70.21 $16,327 $115,628 $131,955
2019 69.12 69.14 $23,888 $107,749 $131,637 $9,333,485
$64,869 $594,320 $659,189 $9,333,485
Tab.4  
plan year PCI before PCI after stopgap funded preventive funded major above critical funded total backlog accumulation at the last year
2015 73.64 75.05 $6,332 $254,897 $723,262 $984,492
2016 73.8 75.27 $7,667 $261,565 $725,713 $994,946
2017 74.02 75.47 $9,829 $269,757 $716,864 $996,451
2018 74.25 75.74 $15,009 $257,412 $715,396 $987,818
2019 74.46 76.09 $21,897 $279,450 $691,540 $992,888 $4,320,613
$60,735 $1,323,083 $3,572,778 $4,956,596 $4,320,613
Tab.5  
plan year PCI before PCI after stopgap funded preventive funded major under critical funded major above critical funded total funded backlog accumulation at the last year
2015 73.64 76.54 $6,332 $216,380 $0.00 $1,517,305 $1,740,018
2016 75.26 78.49 $7,667 $199,037 $0.00 $1,524,417 $1,731,121
2017 77.19 80.14 $8,093 $222,999 $697,402 $798,009 $1,726,505
2018 78.65 80.72 $8,272 $236,228 $1,462,023 $0.00 $1,706,524
2019 79.12 81.09 $0.00 $271,144 $1,430,881 $0.00 $1,702,025 $0.00
$30,365 $1,145,790 $3,590,308 $3,839,732 $8,606,195 $0.00
Tab.6  
plan year PCI before PCI after stopgap funded preventive funded major under critical funded major above critical funded total backlog accumulation at the last year
2015 73.64 74.37 $6,332 $278,170 $0.00 $324,910 $609,413
2016 73.13 73.82 $7,667 $306,229 $0.00 $299,641 $613,538
2017 72.63 73.22 $9,829 $339,189 $0.00 $259,468 $608,487
2018 72.04 72.58 $14,959 $348,081 $21,791 $225,079 $609,912
2019 71.41 71.88 $21,844 $377,952 $0.00 $198,113 $597,910
$60,632 $1,649,622 $21,791 $1,307,214 $3,039,261 $8,154,952
Tab.7  
plan year PCI before PCI after preventive funded major under critical funded major above critical funded total backlog accumulation at the last year
2015 73.64 84.89 $154,126 $2,410,698 $3,691,142 $6,255,967
2016 83.53 83.69 $186,457 $0.00 $0.00 $186,457
2017 82.11 82.26 $222,999 $0.00 $0.00 $222,999
2018 80.55 81.25 $236,228 $379,874 $0.00 $616,102
2019 79.53 79.84 $271,889 $64,573 $0.00 $336,463
$1,071,701 $2,855,146 $3,691,142 $7,617,990 $0.00
Tab.8  
budget scenario total five-year M&R costs (2015?2019) remaining M&R backlog (2019)1) total five year costs2) cost differential
unlimited $1.5 million $7,617,990 $0 $7,617,990 baseline
backlog elimination $1.7 million $8,734,624 $0 $8,734,624 $1,116,634
limited budget $1million $5,000,000 $4,320,613 $9,320,613 $1,702,623
limited budget $132 thousand $660,000 $9,333,485 $9,993,485 $2,375,495
maintain current PCI $ 0.6 million $3,681,424 $6,831,526 $10,512,950 $2,894,960
Tab.9  
Fig.5  
budget scenario PCI before PCI after backlog accumulation
limited budget of $132,000/yr 73.64 69.00 $9 million
limited budget of $1 million/yr 73.64 76.09 $4 million
backlog elimination budget of $1.7 million/yr 73.64 81.09 $0.00
maintaining current PCI budget of $0.6 million 73.64 71.88 $ 8 million
unlimited budget of $1.5 million/yr 73.64 79.84 $0.00
Tab.10  
Fig.6  
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