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Third Set of Locks
Rolling gate design
Challenges in the Design of Extreme Lock Gates
Ir. Jeremy Augustijn

1
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Who are we?
Iv-Groep is active in six markets:
 Buildings & Structures
 Industry & Energy
 Infrastructure & Ports
 Maritime
 Oil & Gas
 Water

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Offices Worldwide

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Choice of words







Challenges
Extreme
Difficult
Paradox
Unprecedented
Problems

WE LOVE IT
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3rd set of locks, overview
Subtitle

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Whats so special?

DIFFERENTIAL HEAD
DRY
SIZE
OUTAGE
SHIP
FATIGUE
IMPACT
99.6%
AVAILABILITY

SEISMIC

FLOATING
6
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Head / Fatigue / Floatability
 2 x 8 gates; lockage process
 250.000 cycles of operation

lockage (Ocean  Lake)

Pacific 

atun Lake

G1

G3

G2

G4

Lock Head 2

Lock Head 1

G5

G6

Lock Head 3

G7

G8

Lock Head 4

 Limitation allowable operational stresses
 Requirements details
 Buoyancy chamber: low
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Floating
Employers Requirement:
All lock gates shall be stable
while floating upright without the
aid of additional floating
equipment, cables, or supports.

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Flotation hull panels

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Lower wagon assembly
Employers Requirement:
Each of the wagon attachments to the gate shall be designed to allow
wagon replacement in less than 4 hours.
Traditional lower wagon design:

Floating of gate: 8-16 hours
Divers operation: Lock unavailable

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Support system

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Upper wagon

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Lower wagon

17-12-2013 future
Challenge the

SMART RIVERS

13
Lower wagon: Top of gate

17-12-2013 future
Challenge the

SMART RIVERS

14
Load Limiting Device

17-12-2013 future
Challenge the

SMART RIVERS

15
Gate drive mechanism
 Drive force acts central to gate
 Redundancy: Double / thinner ropes

17-12-2013 future
Challenge the

SMART RIVERS

16
Guiding Bearing and Sealing
Employers Requirements:
Leakage: The maximum allowable leakage rate per meter of lock gate seals and
sealing surfaces at any point shall not exceed 10 liters/minute when the gate is
subjected to normal and maintenance operating conditions. The overall average
leakage rate per meter of lock gate seals and sealing surfaces shall not exceed 5
liters/minute.
 Traditional

New Panama gates

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Guiding/Sealing on concrete

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Seismic design criteria
Spectral Acceleration (g)

2

PACIFIC LOCKS

1
Level 1 - 475-year
Level 2 - 1000-year

 Gate models:
Response
spectra

0
0

0.5

1

1.5
Period (s)

2

2.5

3

 Lock head +
gates models:
Time histories

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Seismic design criteria
 Full scale oscillation tests

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Seismic scale model
laboratory tests

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Structural design
& Optimization of gates
Fatigue
Check/Optimize

Seismic

Dry Outage

Check/Optimize

Check/Optimize

Weight
Estimate

Drawings

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Detail Engineering

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Conclusions

 Engineering of scales has its limits
 Crossing these often requires innovation
 Borrowing from other fields or disciplines can be a good
method to find interesting, precedented solutions

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Questions?
 Jeremy Augustijn
J.R.Augustijn@Iv-Infra.nl

25
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Contact

Iv-Infra b.v.
Trapezium 322
3364 DL Sliedrecht
P.O. Box 135
3350 AC Sliedrecht
The Netherlands
Phone:
+31 (0)88 943 32 00
E-mail:
mail@iv-infra.nl

www.iv-infra.nl

Fultonbaan 30
3439 NE Nieuwegein
The Netherlands

Phone:
E-mail:

+31 (0)30 602 30 30
nieuwegein@iv-infra.nl

www.iv-infra.nl

Kraanspoor 28
1033 SE Amsterdam
The Netherlands

Phone:
Fax:
E-mail:

+31 (0)20 630 46 40
+31 (0)20 630 46 41
amsterdam@iv-infra.nl
www.iv-infra.nl

www.iv-groep.com
26
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03 tsl rolling gates design by jeremy augustijn