Harbor Business Glossary -

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Japanese and English search (e)

Liquefaction phenomenon

This refers to the fact that ground with a uniform particle size, such as landfills, is suddenly shaken due to an earthquake, etc., and the soil particles fall apart and float in water. As a result, the ground collapses and sand spouts occur. Particle size distribution and density are used to measure the ground that is easily liquefaction.

liquid cargo (liquid goods)

Cargo containing liquid internal products in containers such as cans, Tals, and bottles. There are a lot of oil, sake, medicine, and food. Since there is a risk of rackage (leakage) due to damage to the container, it can be stacked separately from clean cargo.

Egent

Generally, it refers to an agent (proxy/agent, agent, agent, agent), but it is often used as the name of a general port transportation company (shipping agent), landing agent) that carries or unloading. (Example) Yokohama Essent Association

Wave overtopping

A phenomenon in which water exceeds the top of a structure due to the action of waves, is simply called overtopping.

N value (enuchi)

→Standard penetration testing

M0 Vessels

A ship that can be sailed in an unmanned state during normal voyage and registered as a "M0 ship" by Nippon Kaiji Kyokai.

apron (apron)

A place where cargo is smoothly moved between the ship and the shed directly behind the ship or the cargo handling area. The width is the distance from the front end of the quay to the front of the shed or the cargo handling area. It is usually about 10m to 30m.

El Nino

Once every few years, the sea surface temperature is higher than normal in a wide area from near the date change line in the Pacific equator to the Peruvian coast in South America, which has a major impact on weather conditions in various parts of the world, including Japan.

Coastal Technology Research Center

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Coastal cargo handling business (longshoring)

Carrying cargo transported by ships and barges to sheds and other cargo handling areas, cargo to be transported by ships and barges from cargo handling areas, storage of these cargoes, or ships and barges. Due to the revision of the Port Transport Law in 1984, it was integrated with the onboard cargo handling business and became a "port cargo handling business."

Circular rapture (circular failure)

It is also called circular slip, and is one of the slip forms assumed in the stable calculation of the foundation ground.