Types of Bollards (MIDTERM) Flashcards
is traced back to the early 14th century where in Old Norse it meant ‘tree trunk’
Bole
a term for a mooring post, and since 1948 it has come to mean a traffic control device
Bollard
Integral to the maritime industry, serve as essential components in ensuring the safe and efficient operation of ships and vessels
Bollard
It’s a sturdy, upright post or pillar, typically made of steel, iron, or other durable materials, strategically placed along the shores, docks, or on the decks of ships and vessels
Bollard
_ became commonplace along European ports and wharves
wooden bollards (Medieval Era,)
replaced wooden ones, offering greater strength and durability
steel bollards (Industrial Revolution)
Characterized by two horn-like protrusions extending from the top of the post.
STAGHORN BOLLARD
Can be useful when servicing a large ship or when there is a need to secure multiple lines in different directions
STAGHORN BOLLARD
Features a horizontal bar or ‘crosspiece’ on the top of the post, making it look like a ‘T’
T HEAD BOLLARD
This allows for even more options when securing mooring lines and is particularly useful for large ships with multiple or thick lines
T HEAD BOLLARD
Characterized by a single post that splits into two ‘horns’ at the top, which resemble the antlers of a stag
HORN BOLLARD
They’re very versatile and can accommodate many different types of mooring arrangements
HORN BOLLARD
Their unique design makes it easy to quickly add or remove lines as needed
HORN BOLLARD
these bollards have a large, rounded top which allows for the securing of larger vessels with bigger mooring lines
KIDNEY BOLLARD
The design provides an increased area of contact with the mooring lines, reducing wear and tear on both the line and the bollard
KIDNEY BOLLARD
Traditional form of bollard that originated from the practice of burying old cannons to serve as bollards
CANNON BOLLARD
While not typically used in modern docks, they can often be seen in older or historical areas. They are a testament to the innovative recycling practices of the past
CANNON BOLLARD
Cylindrical in shape and are most commonly used in modern docks due to their simplicity and versatility
PILLAR BOLLARD
They’re designed to be strong enough to withstand the forces exerted by large vessels, but simple enough to be manufactured and installed easily
PILLAR BOLLARD
Bollard shaped like a cross or a ‘plus’ symbol when viewed from above
CRUCIFORM BOLLARD
This design gives them multiple points at which mooring lines can be secured, making them a versatile option for various types of vessels and mooring arrangements
CRUCIFORM BOLLARD
The cross-shaped design also helps distribute the tension from the mooring lines evenly, reducing the risk of the bollard becoming dislodged
CRUCIFORM BOLLARD
Variant of the cruciform bollard that features two cross-shaped posts instead of one.
DOUBLE CRUCIFORMBOLLARD
This design effectively doubles the number of points at which mooring lines can be secured, making it an ideal option for larger vessels or complex mooring arrangements
DOUBLE CRUCIFORMBOLLARD
