PIANC Smart Rivers 2022
Reviewing Presentation documents
Topic:
Inland Navigation Structure
Logistics
River System Management
Smart Shipping
Special Sessions
Waterway Infrastructure
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Author
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Region:
Afghanistan
Albania
Algeria
America
Andorra
Angola
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia and Barbados
Bosnia and Herzegovina
Botswana
Brazil
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
China
China(Hong Kong)
China(Macao)
China(Tai wan)
Colombia
Comoros
Costa Rica
Croatia
Cuba
Cyprus
Czech Republic
Democratic Republic of the Congo
Denmark
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Falkland Islands
Faroe Islands
Fiji
Finland
France
Gabon
Gambia
Georgia
Germany
Ghana
Gibraltar
Greece
Grenada
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Kiribati
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
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Luxembourg
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Malawi
Malaysia
Maldives
Mali
Malta
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Mauritius
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Micronesia
Moldova
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Mongolia
Montenegro
Morocco
Mozambique
Myanmar
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Nauru
Nepal
Netherlands
New Zealand
Nicaragua
Niger
Nigeria
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Norway
Oman
Pakistan
Palau
Palestine
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Poland
Portugal
Puerto Rico
Qatar
Romania
Russia
Rwanda
Saint Kitts and Nevis
Saint Lucia
Saint Vincent And The Grenadine
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Korea
Spain
Sri Lanka
Sudan
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Swaziland
Sweden
Switzerland
Syria
Tajikistan
Tanzania
Thailand
Togo
Tonga
Trinidad and Tobago
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Author
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Region:
Afghanistan
Albania
Algeria
America
Andorra
Angola
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia and Barbados
Bosnia and Herzegovina
Botswana
Brazil
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
China
China(Hong Kong)
China(Macao)
China(Tai wan)
Colombia
Comoros
Costa Rica
Croatia
Cuba
Cyprus
Czech Republic
Democratic Republic of the Congo
Denmark
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Falkland Islands
Faroe Islands
Fiji
Finland
France
Gabon
Gambia
Georgia
Germany
Ghana
Gibraltar
Greece
Grenada
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Kiribati
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
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Madagascar
Malawi
Malaysia
Maldives
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Mauritius
Mexico
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Moldova
Monaco
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Montenegro
Morocco
Mozambique
Myanmar
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Nauru
Nepal
Netherlands
New Zealand
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Niger
Nigeria
North Korea
Norway
Oman
Pakistan
Palau
Palestine
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Poland
Portugal
Puerto Rico
Qatar
Romania
Russia
Rwanda
Saint Kitts and Nevis
Saint Lucia
Saint Vincent And The Grenadine
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
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Slovak Republic
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South Korea
Spain
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Sudan
Suriname
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Switzerland
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Bahrain
Bangladesh
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia and Barbados
Bosnia and Herzegovina
Botswana
Brazil
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
China
China(Hong Kong)
China(Macao)
China(Tai wan)
Colombia
Comoros
Costa Rica
Croatia
Cuba
Cyprus
Czech Republic
Democratic Republic of the Congo
Denmark
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Falkland Islands
Faroe Islands
Fiji
Finland
France
Gabon
Gambia
Georgia
Germany
Ghana
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Guatemala
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Guyana
Haiti
Honduras
Hungary
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Jordan
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Kenya
Kiribati
Kuwait
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Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macedonia
Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Mauritania
Mauritius
Mexico
Micronesia
Moldova
Monaco
Mongolia
Montenegro
Morocco
Mozambique
Myanmar
Namibia
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New Zealand
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Nigeria
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Norway
Oman
Pakistan
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Palestine
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Poland
Portugal
Puerto Rico
Qatar
Romania
Russia
Rwanda
Saint Kitts and Nevis
Saint Lucia
Saint Vincent And The Grenadine
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Korea
Spain
Sri Lanka
Sudan
Suriname
Swaziland
Sweden
Switzerland
Syria
Tajikistan
Tanzania
Thailand
Togo
Tonga
Trinidad and Tobago
Tunisia
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Abstract :
*(250~1000 words)
Abstract: Changshanjiang River is a mountain stream river with common characteristics of mountainous rivers such as many bends, shallow water, many beaches and short straight sections, which makes the navigation flow conditions in the entrance area and connecting section of the navigation lock approach channel extremely complicated and special, and it is difficult to meet the requirements of ships entering and leaving the approach channel. Gedi hydroproject is one of the navigation cascade development projects in the mainstream of Changshanjiang River, which is located in the middle of the "S" shaped curved river. The power station, flood discharge gate and ship lock are arranged in sequence from left to right, including 2 power stations with an installed capacity of 4.5 MW and 17 flood discharge gates with a total net width of 238 m. The flood discharge gates are divided into left and right zones by longitudinal guide walls. The ship lock is located on the right side of the project, with a design operating head of 6.0 m. The effective size of the lock chamber is 180.0 m x 23.0 m x 4.0 m (length ×width×threshold depth), designed to be navigable for 500-ton ships. The upstream approach channel is located in the main channel of the concave bank and the semi-open approach channel is adopted. Due to the influence of narrow channel and bend flow near the dam, the upstream approach channel and the entrance area are prone to form oblique flow and backflow area, which has a negative effect on navigation. The entrance area of downstream approach channel is located on the convex bank of the bend, and the angle between the mainstream flow direction and the approach channel is large, the flow conditions of the entrance area and the connecting section of the approach channel are complex, and the velocity index is difficult to meet the navigation safety requirements. Therefore, based on the overall hydraulic model with a scale 1:80, the navigation flow characteristics of the entrance area and the connecting section of the upstream and downstream approach channel are studied, and the optimization schemes were proposed. The results show that: (1) Reasonable optimization of the operation and scheduling mode of the flood gates can greatly improve the navigation flow conditions of the upstream approach channel; (2) The maximum navigable flow can be significantly increased by adjusting and improving the velocity distribution pattern upstream of the project through excavating the upstream left bank;(3) Reasonably dredging of the convex bank along the downstream channel and appropriate adjustment of the route layout of approach channel can effectively improve the flow conditions in the entrance area and connecting section of the approach channel, make the velocity index in the entrance area meet the navigation requirements, and realize the safety navigation.. The research results can provide useful experience for similar projects.
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