Matakuliah
Tahun
: S0753 – Teknik Jalan Raya
: 2009
Pavement Maintenance
Session 13
Contents
•PSI
•Pavement Evaluation
•Pavement maintenance &
Rehabilitation
Bina Nusantara University
3
Level of Service (LOS)
• A qualitative measure describing
operational conditions in a traffic
stream
• Range – A through F
Bina Nusantara University
4
PSI
Bina Nusantara University
5
PSI
Bina Nusantara University
6
Pavement Evaluation
18-wheel Truck
Dual tires tandem axles
Single tire axle
Bina Nusantara University
7
Pavement Evaluation
Bina Nusantara University
Load Distribution During Braking
8
Pavement Evaluation
Free rolling truck
Load/axle
12 kips
17 kips 17 kips
17 kips 17 kips
Braking truck at 0.535g
4.3 kips
Load/axle
Bina Nusantara University
17 kips
11.9 kips 11.9 kips
20.5 kips 13.4 kips
10.2 kips 10.2 kips
17.6 kips 11.5 kips
6% Downhill Grade
9
Pavement Evaluation
P
Max Stress:
191.4 psi
31
28
Tire-Pavement
Interface
Bina Nusantara University
Contact Stress (psi)
200
25
180
22
160
19
140
120
100
80
60
40
20
0
16
13
10
7
4
0
2
4
Longitud
6
8
10
inal (inc
h)
12
1
14
16
se
er
sv
n
a
Tr
r
so
en
(S
.)
No
180-200
160-180
140-160
120-140
100-120
80-100
60-80
40-60
10
Deterioration
Cracking Distress-USA
Norwegia
West Sumatra
Bina Nusantara
University
- Earthquake
11
Pavement Maintenance & Rehabilitation
Overlay
Bina Nusantara University
12