composite modular portable bridge for forest ...€¦ · bending in beams. compression at...

Raitis Lacis, MSc., technical supervisor

“Inzenierbuve”Ltd.

[email protected]

Kristaps Gode, MSc., engineer

“Inzenierbuve”Ltd.

[email protected]

Edgars Rudzitis, MSc., technical assistant

“Forest and Wood Products Research and

Development Institute ”Ltd.

[email protected]

Composite modular portable bridge for forestinfrastructure networks:

review of the project

FORMEC 2015, 48th International Symposium on Forestry Mechanization04. - 08. October 2015, Linz (Austria)

agreement No. L-KC-11-0004

mailto:[email protected]



Purpose

Underlying research and design of the bridge

Transportation

Construction and assembly

Proof-loading

Monitoring

Performance evaluation

Future applications

Modular portable composite bridge systems for forest industry applications – review of a research program

1) Development of flexible bridge system for temporary harvesting activities

2) Research of wood-concrete structural potential for permanent bridges and revision of current infrastructure

Lightweight

Durability

Local construction

materialsRenewable

construction materials

Robustness

06.10.2015, Linz, AustriaFORMEC 2015

ENVELOPE OF STRUCTURAL

CAPACITY

Environmental awareness

Purpose


Transportation


Proof-loading

Monitoring


Future applications


1) Literature review on wood-concrete composites

2) Problem definition and design of laboratory experiments

3) Design of the bridge


Purpose


Transportation


Proof-loading

Monitoring


Future applications



More than 30 scientific articles have been reviewed

Bridge examples from Finland, Sweden, Germany, Switzerland, USA and others

TiComTec Gmbh, HBV-Systeme, 2011


Purpose


Transportation


Proof-loading

Monitoring


Future applications



TiComTec Gmbh, HBV-Systeme, 2013

SCHAFFITZEL + MIEBACH Faszination Brücken GmbH, 2013

Scientific contribution ofCeccotti,Dias,JutilaYeoh,Lukaszewska,FragiacomoAnd many, many others

Engineering contribution

SCHAFFITZEL + MIEBACH Faszination Brücken GmbH , 2015


Purpose


Transportation


Proof-loading

Monitoring


Future applications


2) Problem definition and design of laboratory experiments

Adapted from Lukaszewska, 2009


Purpose


Transportation


Proof-loading

Monitoring


Future applications


3) Design of the bridge

Glulam GL24h 3,7m3

Concrete 9m3

Reinforcement steel 2,7t


5.221

5.225

0.142

0.156

0.169

0.190

0.158

0.113

4.807

4.811

0.160

3.337

0.158

0.115

4.029

4.032

3.026

3.028

0.120

3.334 0.234

4.809

4.810

1.112 0.000

0.021 0.937 0.010

0.784

3.342

3.342

0.221

4.415

0.156

0.228

4.039

4.039

3.669

3.673

0.156

0.114

4.411

2.238

3.180

1.840

1.537

2.180

3.680

4.420

0.223

0.233

3.680

4.421 0.018

0.003

0.119

4.460

3.687

5.348 4.676

3.863

5.615

4.676

3.862

5.616

4.460

3.686

5.349 3.431

2.850

4.073

2.684 2.182

0.946

0.791

1.125

0.956

0.805

1.127 1.846

1.545

2.183 2.686

2.241

3.180 3.432

2.851

4.071

2.585

4.410

2.032

3.442

1.395

2.372

0.699

1.251

3.426

2.846

4.067

2.682

2.236

3.177

1.843

1.540

3.169 3.421

2.841

4.061 4.453

3.678

5.354 4.670

3.854

5.608

4.670

3.855

5.609

4.456

3.679

5.356

2.026

3.498 3.434

6.104

2.581

3.339 4.403

5.816

0.935

0.779

1.115 1.834

1.532

2.172 2.676

2.230

3.127

3.740

2.453

2.923

1.690

2.005

0.872

1.026

0.688

3.337 1.240

5.813

1.387

3.498 2.362

6.103

0.861

1.015 1.681

1.996 2.447

2.916 3.122

3.734 4.049

4.892 4.244

5.129 4.244

5.130

4.051

4.895

MIDAS/CivilPOST-PROCESSORDISPLACEMENT

RESULTANT

6.10423e+0005.54930e+0004.99437e+0004.43944e+0003.88451e+0003.32958e+0002.77465e+0002.21972e+0001.66479e+0001.10986e+0005.54930e-0010.00000e+000

SCALE FACTOR=5.0784E+001

ST: 5.Shema

MAX : 220MIN : 66FILE: KOKBETONA ~UNIT: mmDATE: 12/15/2014

VIEW-DIRECTIONX:-0.612

Y:-0.717

Z: 0.334

-50.

0

-50.

0

Purpose


Transportation


Proof-loading

Monitoring


Future applications

Modular portable composite bridge systems for forest industry applications – review of a research program06.10.2015, Linz, AustriaFORMEC 2015

Purpose


Transportation


Proof-loading

Monitoring


Future applications


Time gap

Winter/spring/summer conditions

Intensive loading in service

1.proof-loading 2.proof-loading

Deflection control (symmetric/asymmetric loading)

Stress control (beams), dynamics

Global movements of structural elements


3.proof-loading

Purpose


Transportation


Proof-loading

Service and load cycles

Monitoring


Future applications


Strain gage system (HBM+Madgetech)

Laser deflectometer (Noptel PSM200)

Mechanical deflectometers

Accelerometer


Purpose


Transportation


Proof-loading

Service and load cycles

Monitoring


Future applications


Dynamic experiments and measurements


[Video]

Purpose


Transportation


Proof-loading

Monitoring


Future applications


Dynamic experiments and measurements


[Video]

Purpose


Transportation


Proof-loading

Monitoring


Future applications


Static Strains & StressesBending in beams

Compression at bearing

-0,5

0

0,5

1

1,5

2

2,5

3

3,5

4

98 99 100 101 102 103 104

Ch1 Ch2 Ch3 Ch4

Ch5 Ch6 Ch7

MPa

T, s-0,5

0

0,5

1

1,5

2

2,5

3

3,5

4

146 148 150 152 154

Ch1 Ch2 Ch3 Ch4

Ch5 Ch6 Ch7

Tests nr.2MPa

T, s-0,5

0

0,5

1

1,5

2

2,5

3

3,5

4

214 216 218 220 222

Ch1 Ch2 Ch3 Ch4

Ch5 Ch6 Ch7

Tests nr.3MPa

T, s

-0,5

0

0,5

1

1,5

2

2,5

3

3,5

4

258 259 260 261 262 263 264

Ch1 Ch2 Ch3 Ch4

Ch5 Ch6 Ch7

Tests nr.4MPa

T, s-0,5

0

0,5

1

1,5

2

2,5

3

3,5

4

327 328 329 330 331 332 333

Ch1 Ch2 Ch3 Ch4

Ch5 Ch6 Ch7

Tests nr.5MPa

T, s-0,5

0

0,5

1

1,5

2

2,5

3

3,5

4

374 375 376 377 378 379 380

Ch1 Ch2 Ch3 Ch4

Ch5 Ch6 Ch7

Tests nr.6MPa

T, s

-0,5

0

0,5

1

1,5

2

2,5

3

3,5

4

527 528 529 530 531

Ch1 Ch2 Ch3 Ch4

Ch5 Ch6 Ch7

Tests nr.7MPa

T, s-0,5

0

0,5

1

1,5

2

2,5

3

3,5

4

593 594 595 596 597

Ch1 Ch2 Ch3 Ch4

Ch5 Ch6 Ch7

Tests nr.8MPa

T, s

Dynamic Strains & Stresses


0

1

2

3

4

5

0 100 200 300 400 500 600 700

Beam

stres

ses,

Mpa

Loading time, s

Stat

ic te

sts 1,

2an

d 3

(fron

t axl

e)St

atic

tests

4, 5

and

6(re

ar ax

les)

Purpose


Transportation


Proof-loading

Monitoring


Future applications


Moisture monitoring systemService class definition

27.04.2015, Riga, LatviaOSCAR Workshop

Purpose


Transportation


Proof-loading

Monitoring


Future applications


Other Monitoring variables:

Global positioning of the structure (settlement)

Load cycle count (camera):

More than 1500 heavy vehicle passages over the bridge


Timber moisture monitoring system16 permanent measuring points

Purpose


Transportation


Proof-loading

Monitoring


Future applications


Short term evaluation

- Glulam stress levels;

- Deflections;

- Composite behavior;

- Settlement of the structure;

- Moisture levels

Medium term evaluation

Future applications

- Medium length spans of 10-20m;

- Multiple span structures (single and continuous)

- Pedestrian bridges


Purpose


Transportation


Proof-loading

Monitoring


Future applications

Modular portable composite bridge systems for forest industry applications – review of a research program06.10.2015, Linz, AustriaFORMEC 2015

References:1) TiComTec Gmbh. (2011, July). Technical Dossier HBV-Systems.

2) SCHAFFITZEL + MIEBACH Faszination Brücken GmbH, company‘s webpage, 2015http://www.schaffitzel-miebach.com/en/projects/timber-bridges/timber-concrete-composite-bridge/timber-concrete-composite-bridge-winschoten-nl.html

3) Lukaszewska, E. (2009). Development of Prefabricated Timber-Concrete Composite Floors (Phd Thesis). Lulea, Sweden.

No. Task, activity Time

1 Literature and problem studies 2013-20142 Selection of potential place for the bridge crossing February-March, 2014 3 Laboratory tests May-June, 20144 Design of the structure April-September, 20145 Manufacturing of structural elements October-December, 20146 Preparation of site, transportation and installation December, 20147 Commissioning and initial proof-loading January, 20158 Monitoring and further loading tests January-June, 20159 Final report July 2015

Project timeline

Acknowledgements:This study is a part of the ongoing research project “Modern and Sustainable Wood Construction Research” administered by the "Investment and Development Agency of Latvia" in cooperation with “Forest Industry Competence Centre” Ltd., “Forest and Wood Products Research and Development Institute” Ltd. and "Inzenierbuve" Ltd. The project is co-financed by European Regional Development Fund (agreement No. L-KC-11-0004).

http://www.schaffitzel-miebach.com/en/projects/timber-bridges/timber-concrete-composite-bridge/timber-concrete-composite-bridge-winschoten-nl.html

composite modular portable bridge for forest ...€¦ · bending in beams. compression at...

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