innovative triple sma layer for heavy duty … · innovative triple sma layer for heavy duty...

INNOVATIVE TRIPLE SMA LAYER

FOR HEAVY DUTY PAVEMENTS

from idea to realisation Marcin HERING, TPA Sp. z o.o., Poland Paweł Czajkowski, LOTOS Asfalt Sp. z o.o., Poland

Igor Ruttmar, TPA Sp. z o.o., Poland

Agata Grajewska, TPA Sp. z o.o., Poland

28. – 29. November 2017, České Budějovice

Asfaltové vozovky – bezpečná cesta k prosperitě

Ageda

1. Introduction

2. New idea of asphalt pavements

3. Highly Modified Asphalt Binder (HiMA)

4. Triple SMA Layer for Heavy Duty Pavements

5. Realisation

2 © TPA 28.11.2017

TRIPLE SMA LAYER

MARCIN HERING, TPA SP. Z O.O.

PAWEŁ CZAJKOWSKI, LOTOS ASFALT SP. Z O.O.

from idea to realisation

© TPA 28.11.2017

Roads for the Effective Refinement (EFRA) project

4

Construction site of EFRA Project.

General view on the units and roads under construction

300 000 tons of PetCoke

will be load and

transport on the trucks

outside the refinery.

517mln EUR Investment cost

© TPA 28.11.2017

5

case study

C H A L L E N G E

SLOW SPEED

C H A L L E N G E

HEAVY LOAD

60 km/h

20 km/h

© TPA 28.11.2017

WEARING COURSE 30-40 MM

STIFF LAYER 100-175 MM

ELASTIC LAYER 75-100 MM

SUBBASE

SUBGRADE

100 – 160 mm

area of high compression and

shear

max. tensile strain

≤ 70 (÷ 100) μm/m

max. compressive strain

≤ 200 μm/m

renewable wearing course

(SMA, PA, …)

stiff layer resistant to

rutting

(eg EME)

elastic, fatigue

resistant layer

„ANTI FATIGUE“

lit. e.g.: Newcomb at all, 2000

Strona 7

© TPA, IV KRAKOWSKIE DNI NAWIERZCHNI, 15-17.11.2017

IDEA OF PERPETUAL ASPHALT PAVEMENTS

© TPA 28.11.2017

8

idea

© TPA 28.11.2017

Binders used in the project.

Highly Modified Bitumen (MODBIT HiMA)

9 HiMA are producing in accordance with requirments of EN 14023.

MODBIT

45/80-55 50/70

MODBIT

45/80-65

MODBIT

45/80-80

HiMA

2x C%

of SBS

3x C%

of SBS

C%

of SBS

Why we have chosen HiMA to bulid new roads in

Gdansk refinery?

10

-30

-20

-10

0

10

20

30

40

50

60

70

80

90

100

spoftening point [°C] elastic recovery [%] breaking point [°C]

Va

lue

s [

de

gC

, %

]

Properties of PMB acc. to EN14023

45/80-55 (80 B)

45/80-65 (80 C)

45/80-80 (HiMA)

In case of durability of asphalt pavements one of key acpect is

to use the proper bituminous binder.

The difference of HiMA

performance is especially

well proven by testing the

asphalt mix,

or by using the

performance related

bitumen test method.

Perforamance related properties of bitumen - rutting

11 Highly Modified Bitumen 45/80-80

is showing the best values related to resistance to permanent

deforamtion

1,10

0,23

0,05

0,0

0,2

0,4

0,6

0,8

1,0

1,2

1,4

50/70 MODBIT 45/80-55 MODBIT 45/80-80

Jn

r, 3

,2kP

a[k

Pa

-1]

w 6

0°C

MSCR test results acc. to EN 16659, after EN 12607-1

The results from DSR

correlates with WTS rut rate

(EN 12697-22)

Perforamance related properties of bitumen - fatigue

12

1

10

100

1 000

10 000

100 000

1 000 000

10 000 000

1 10

Nf, F

ati

gu

e lif

e o

f b

ind

er

[cyk

le]

Strain [%]

Fatigue characteristics of binders at 15°C, acc. to method TP 101-14, after EN 12607-1

Asfalt 50/70

Modbit 45/80-55

Modbit 45/80-80

Nf = A(ɣmax)B

Highly Modified Bitumen 45/80-80 was found as the best binder in

case of resistance to fatigue

The results from DSR correlates with

fatigue data recived from asphalt test

4PBB (EN 12697-24)

Strona 13


ORIGINAL ASPHALT PAVEMENT ROADS

ORIGINAL CONCRETE PAVEMENT SQUARES

23 cm concrete surface

8 cm base course, AC

10 cm subbase,

aggregate 0/63

25 cm subbase,

aggregate 0/63 (with geogrids)

4 cm wearing course, AC

6 cm binder course, AC

10 cm base course, AC

10 cm subbase,

aggregate 0/63

38 cm subbase,

aggregate 0/63 (with geogrids)

separation layer, woven geotextile

68 c

m

66 c

m

separation layer, woven geotextile © TPA 28.11.2017

Strona 14


4 cm, wearing course

AC

aggregate 0/31,5; C90/3; CBR≥60%

E2 ≥ 180 MPa

10 cm, subbase

10 cm, base course

6 cm, binder course

aggregate 0/63 placed on

triaxial geogrid (hexagonal)

E2 ≥ 100 MPa

38 cm, subbase

separation layer

woven geotextile

subgrade soil

E2 ≥ 50 MPa

PAVEMENT STRUCTURE – ORIGINAL PROJECT

AC

AC

© TPA 28.11.2017

Strona 15


5 cm, wearing course

SMA 16 PmB 45/80-80

aggregate 0/31,5; C90/3; CBR≥60%

E2 ≥ 180 MPa

20 cm, subbase

6 cm, anti-fatigue base course

SMA 16 PmB 45/80-80

9 cm, binder course

SMA 22 PmB 25/55-80

aggregate 0/63 placed on

triaxial geogrid (hexagonal)

E2 ≥ 100 MPa

28 cm, subbase

separation layer

woven geotextile

2.627 m2 concrete pavement

TRIPLE SMA LAYER

subgrade soil

E2 ≥ 50 MPa

PAVEMENT STRUCTURE - TRIPLE SMA LAYER

© TPA 28.11.2017

Strona 16


Results

Master curve SMA16

Results

Master curve SMA22

Dyn

am

ic s

tiff

ness m

od

uli

[MP

a]

Dyn

am

ic s

tiff

ness m

od

uli

[MP

a] Reduced frequency [Hz]

Reduced frequency [Hz]

MASTER CURVES

© TPA 28.11.2017

Master curve SMA16

Results

Reduced frequency [Hz]

Dyn

am

ic s

tiff

ness m

od

uli

[MP

a]

19

Fig 4. Asphalt emulsion application

Fig 4. Compacting of

SMA 16 PmB 45/80-80 (wearing course)

Fig 3. Paving control on site by using PQI sonde

PROJECT REALISATION

© TPA 28.11.2017

21

TRIPLE SMA LAYER FOR HEAVY DUTY

PAVEMENTS

transpot on binder course

23 Fig 7. Roughening of SMA 16 PmB 45/80-80

(wearing course)

Fig 8. End of paving Triple SMA Layer

PROJECT REALISATION

Fig 6. Texture of SMA 22 PMB 25/55-80

(binder course)

© TPA 28.11.2017

innovative triple sma layer for heavy duty … · innovative triple sma layer for heavy duty...

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