PORTS AND HARBOR ENGINEERING Flashcards
Two Categories of Water Transport?
- Inland Water Transportation (Rivers & Canals).
- Ocean Transportation (Global trade & commerce).
How many percent of international trade is conducted via shipping
75%
A sheltered water body where vessels are launched, built, repaired, or loaded/unloaded.
Harbours
Classifications of Harbours:
- Natural Harbours
- Semi-natural Harbours
- Artificial Harbours
This Harbour is Formed by creeks or basins (e.g., Mumbai, Cochin)
Natural Harbours
Partially protected by headlands, requiring artificial entrance protection.
Semi-natural Harbours
This Harbour is Man-made using engineering methods (e.g., Chennai/Madras Harbour).
Artificial Harbours
A deep navigable channel with a protective natural bank or shoal to seaward is a good
example of a ____________
Natural Roadsteads
These may be created suitably by constructing a breakwater or wall parallel to
the coast or curvilinear from the coast
Artificial Roadsteads
Types of Harbours (Based on Functionality)
- Harbours of refuge (Naval Bases)
- Commercial Harbours
- Fishery Harbours
it Provide safe anchorage and repair facilities for ships.
Harbour Of Refuge or Naval BAses
_____________ Have storage sheds, quay spaces, and cargo handling infrastructure.
Commercial Harbours
it offers sheltered docking for fishing vessels.
Fishery Harbour
What is the maximum Entrance width of Harbours?
180m
A harbour with cargo/passenger handling infrastructure.
Ports
Classification of ports:
Canal Ports
River Ports
Sea Ports
Wharves that run parallel to the shore, used for docking ships.
Quayes
Cushions placed on docks, jetties, and quays to absorb ship impact and prevent damage.
Fenders
Types of fenders
- Rubbing strips
- Timber Grill Fenders
- Gravity- Type Fenders
- Rubber Fenders
A tall tower with a powerful light used to guide ships by marking hazardous coastlines, reefs, and port entrances. it Provides visual navigation aid to ships during day & night.
Lighthouse
signals are subdivided into three types, What are those?
- Light Ships
- Beacons
- Buoys
Any prominent object, natural or artificially constructed, easily indentifiable and
capable of being used as a means to indicate and guide in navigation is generally
designated as a _________.
Beacon
__________ are floating structures of small size employed for demarcation like
entrances, approach channel used for indicating direction changes in means of alignment.
Beacons are thus of the navigation.
Buoys
Small ships displacing about 500 tonnes are used for this purpose.
Light Ships
Types of Signals
- Light Signals (most important compared sa dalawa)
- Fog Signals
- Audible Signals
