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BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
Bk7210 Urban analysis & design
Minor: Green Blue City 2013
Lecture 5 Scenario’s forthe Rotterdam delta Anne Loes Nillesen
1. Dike typology and flood protection stratagies slide 3-30
2. Case studies and design examples slide 31-59
3. Creative commons slide 60
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
Contents of this lecture
- Dike typology
- Flood protection stratagies
- Open system- Closed system- Current system- Improved barrier system
- Balance between city and water
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
1. Dike typology and flood protection stratagies
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
The Rotterdam delta 1320
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
Functions outer-dike area
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
build dikehistorical24 mljE/km elevation
The length of the primary water barriers (the dike rings) in the Rijnmond and Drechtsteden is 516 km. A rise in mean high water (MHW) necessitates dike reinforcement. To make the effects clear we make first of all a distinction between unbuild and built dikes. The unbuild dikes have a length of 405 km and can be further broken down into grass dikes , park dikes, paved dikes and infra-dikes. The distinction between grass dikes and park dikes is the presence of plants and paths. Infra-dikes can be defined by serving as important regional roads.
The built dikes have a length of 111 km and can be broken down into one- and two-sided built dikes, office-dikes and dikes with historically valuable buildings. The latter category is determined by the presence of monuments and protected town- and cityscapes.
The qualitative distinction is also relevant for calculating the cost of dike reinforcement and elevation. Unbuild dikes can be more easily raised than built dikes. Raising both sides of built dikes with historic buildings -such as the Voorstraat in Dordrecht- required complex and expensive constructions. The costs shown here are civil charges as indicated in the Annex plus additional costs concerning urban interventions ( as included in the integration report).
Dike typology
build dikedual-sided36 mljE/km elevation
build dikeoffices24 mljE/km elevation
build dikedual-sided36 mljE/km elevation
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
open grass dike6 mljE/km elevation
open paved dike12 mljE/km elevation
open infra-dike15 mljE/km elevation
build dike residential21 mljE/km elevation
build dikedual-sided36 mljE/km elevation
Dike typology
Dijken
Kering 1:100
Huidige waterkeringen
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
Current water barrier
barrier 1:100
dike
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BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
EPK 100Rotterdamcurrent situation 2010change of reoccurrence 1:1000
Dikes that do not comply in hight and threatend outer-dike areas with enforcing current situation 2010 and execution of the "Hoogwaterbescherm-ingsprogramma" (high water protection program) and measures from "Ruimte voor de rivier 2015" (Space for the river 2015).
WATER DEPTH [cm] CONSTRUCTION OUTER DIKE AREAresidentialindustryofficesrecreation
DIKESdikes thatdo not comply in hightdike rings
build dike build dike build dike build dikeresidential dual sided historical offices
paved dike
infra-dike
grass dike
400 - 450450 - 500500 - 550550 - 600
1 - 5050 - 100100 - 150150 - 200
200 - 250250 - 300300 - 350350 - 400
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BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
EPK 100RotterdamKNMI G+ 2100/Veerman 2050change of reoccurrence 1:1000
Dikes that do not comply in hight and threatend outer-dike areas with Veerman 2050 and execution of the "Hoogwaterbeschermingsprogramma" (high water protection program) and measures from "Ruimte voor de rivier 2015" (Space for the river 2015).
WATER DEPTH [cm] CONSTRUCTION OUTER DIKE AREAresidentialindustryofficesrecreation
DIKESdikes thatdo not comply in hightdike rings
build dike build dike build dike build dikeresidential dual sided historical offices
paved dike
infra-dike
grass dike
400 - 450450 - 500500 - 550550 - 600
1 - 5050 - 100100 - 150150 - 200
200 - 250250 - 300300 - 350350 - 400
september 15th 2011 - Anne Loes Nillesen 4 flood protection strategies
lardge scale
letting water in + additional flood
proofing
elevation
dikes or flood walls
barriers
local scale building scale
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
regional scale local scale building scale
Flood protection strategies
letting water in +additional flood
proofing
elevation
dikes or floodwalls
barriers
diagrams by D.EFAC.TO
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
Potential sollutions
Open system- no barrier- higher dikes
Closed system- barrier river and sea- additional higher dikes
Current system- sea barrier 1:100 (chance of breaching)- higher dikes
Improved barrier system- sea barrier 1:1000 (chance of breaching)- higher dikes
open (but protected by dikes)
B1 afsluitbaar
closed
B2 afsluitbaar
Open situatie- geen kering- hogere dijken
Gesloten situatie- kering rivier en zee- aanvullend hogere dijken
Huidige situatie- kering zee 1:100- hogere dijken
Verbeterde kering- kering zee 1:1000- hogere dijken
Mogelijke oplossingsrichtingen
diagrams by D.EFAC.TO
regionaal schaalniveau
Locaal niveau buitendijks
aanvullend dijken
aanleggen keringen
eventueel :aanvullende maatregelen
Afsluitbaar open zee + rivierzijdeVerbeterd afsluitbaar
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
Improved barrier system regional scale
building barriers
additional dikes
local scale, outer dike areapossible:additional measures
diagrams by D.EFAC.TO
open (but protected by dikes)
B1 afsluitbaar
closed
B2 afsluitbaar
Huidige situatie- kering zee 1:100- hogere dijken
Haven- scheepvaart vaker barrière gesloten kering en bij hoog water mogelijk vaarverbod(betrouwbaarheid haven in geding)
- overstromingsrisico buitendijks gebied (inclusief milieuschade)
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
open (but protected by dikes)
B1 afsluitbaar
closed
B2 afsluitbaar
Huidige situatie- kering zee 1:100- hogere dijken
Haven- scheepvaart vaker barrière gesloten kering en bij hoog water mogelijk vaarverbod(betrouwbaarheid haven in geding)
- overstromingsrisico buitendijks gebied (inclusief milieuschade)
Current system
- sea barrier 1:100 (chance of breaching)
- higher dikes
Harbor
- shipping traffic is hindered with closed barrier
- possible prohibition to sail during high tides
- reliability harbor in question
- flood risk outer dike areaincluding environmental damage
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BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
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open barrier Rijnmond
Flooding risk increases Elevating quay: prevention
regionaal schaalniveau
Locaal niveau buitendijks
aanvullend dijken
aanleggen keringen
eventueel :aanvullende maatregelen
Afsluitbaar open zee + rivierzijdeOpen
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
Open system regional scale
local scale, outer dike areapossible:additional measures
open (but protected by dikes)
B1 afsluitbaar
closed
B2 afsluitbaar
Open situatie- geen kering- hogere dijken
Haven- scheepvaart vrije doorgang (maar bij extreem hoog water vaarverbod)
- meer overstromingsrisico buitendijks gebied (inclusief milieuschade)
- meer lokale dijken rondom haventerreinen
open (but protected by dikes)
B1 afsluitbaar
closed
B2 afsluitbaar
Open situatie- geen kering- hogere dijken
Haven- scheepvaart vrije doorgang (maar bij extreem hoog water vaarverbod)
- meer overstromingsrisico buitendijks gebied (inclusief milieuschade)
- meer lokale dijken rondom haventerreinen
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
- no barrier
- higher dikes
Harbour
- shipping traffic has free passage
- possible prohibition to sail during extreme high tides
- local dikes in and around harbor area
- high flood risk outer dike areaincluding environmental damage
Open system
regionaal schaalniveau
Locaal niveau buitendijks
aanvullend dijken
aanleggen keringen
eventueel :aanvullende maatregelen
Afsluitbaar open zee + rivierzijdeGesloten
Buiten de keringen
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
Closed system regional scale
building barriers
additional dikes
local scale, outer dike areapossible:additional measures
open (but protected by dikes)
B1 afsluitbaar
closed
B2 afsluitbaar
Gesloten situatie- kering rivier en zee- aanvullend hogere dijken
Haven- scheepvaart krijgt barrière gesloten kering maar alleen binnen de keringen
- overstromingsrisico buitendijks gebied (inclusief milieuschade)
- lokale dijken rondom haventerreinen
BK 7210 scenario’s for the Rotterdam delta – ir. Anne Loes Nillesen
open (but protected by dikes)
B1 afsluitbaar
closed
B2 afsluitbaar
Gesloten situatie- kering rivier en zee- aanvullend hogere dijken
Haven- scheepvaart krijgt barrière gesloten kering maar alleen binnen de keringen
- overstromingsrisico buitendijks gebied (inclusief milieuschade)
- lokale dijken rondom haventerreinen
- barrier river and sea
- additional higher dikes
Harbour
- shipping traffic is hindered with closed barrier,but only between the barriers
- no prohibition to sail during high tides
- more local dikes in and around harbor area
- flood risk outer dike areaincluding environmental damage
Closed system
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