: a long cut in the ground : ditch. especially : one used for military defense often with the excavated dirt thrown up in front.
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What is a trench and give an example?
1. The definition of a trench is a long, narrow ditch sometimes dug by troops during wartime to hide from enemies. A long narrow ditch dug in World War I to protect troops from being seen by the enemy is an example of a trench. noun. Trench means to dig a long and narrow ditch.
What is the definition of trench in science?
Ocean trenches are long, narrow depressions on the seafloor. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth. 5 – 12+ Earth Science, Geography, Geology, Physical Geography. Photograph.
What are trenches used for?
Trenches provided relative protection against increasingly lethal weaponry. Soldiers dug in to defend themselves against shrapnel and bullets. On the Western Front, trenches began as simple ditches and evolved into complex networks stretching over 250 miles (402 kilometres) through France and Belgium.
What is a trench in ww1?
Trenches were common throughout the Western Front.
Long, narrow trenches dug into the ground at the front, usually by the infantry soldiers who would occupy them for weeks at a time, were designed to protect World War I troops from machine-gun fire and artillery attack from the air.
How long is a trench?
Oceanic trenches are prominent long, narrow topographic depressions of the ocean floor. They are typically 50 to 100 kilometers (30 to 60 mi) wide and 3 to 4 km (1.9 to 2.5 mi) below the level of the surrounding oceanic floor, but can be thousands of kilometers in length.
Why are trenches full of water?
Much of the land where the trenches were dug was either clay or sand. The water could not pass through the clay and because the sand was on top, the trenches became waterlogged when it rained. The trenches were hard to dig and kept on collapsing in the waterlogged sand.
How many feet is a trench?
The Mariana Trench is 6033.5 fathoms deep. Knowing that it is (11,033 meters (36,201 feet) deep, how do do we perform the conversion to fathoms?
Are trenches still used today?
In fact, trench warfare remains arguably the most effective strategy for infantry where, for whatever reason, armor and air support are lacking. During the Iran-Iraq War (1980–88), after initial gains by the Iraqi army, the fighting settled into years of trench warfare.
What are the 4 types of trenches?
- Front-line Trench. This type of trench was also known as the firing-and-attack trench.
- Support Trench. This trench was several hundred yards behind the front-line trench.
- Reserve Trench. The reserve trench was several hundred yards behind the support trench.
- Communication Trench.
Is a trench a hole?
A trench is a type of excavation or in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch), and narrow compared with its length (as opposed to a simple hole or pit).
Where is the deepest trench in the world?
the Pacific Ocean
The Mariana Trench, in the Pacific Ocean, is the deepest location on Earth. According to the Exclusive Economic Zone (EEZ), the United States has jurisdiction over the trench and its resources. Scientists use a variety of technologies to overcome the challenges of deep-sea exploration and explore the Trench.
How does a trench collapse?
A trench collapses when its walls fail to contain the pressure of the tones of soil pressing on it. Even though this can be problematic in any depth, it can accelerate if other materials are piled at the edge.
Where is No Man’s Land?
No Man’s Land is the term used by soldiers to describe the ground between the two opposing trenches. Its width along the Western Front could vary a great deal. The average distance in most sectors was about 250 yards (230 metres).
What did the trenches smell like?
The stink of war
Then there was the smell. Stinking mud mingled with rotting corpses, lingering gas, open latrines, wet clothes and unwashed bodies to produce an overpowering stench. The main latrines were located behind the lines, but front-line soldiers had to dig small waste pits in their own trenches.
What did soldiers eat while in the trenches?
The bulk of their diet in the trenches was bully beef (caned corned beef), bread and biscuits. By the winter of 1916 flour was in such short supply that bread was being made with dried ground turnips. The main food was now a pea-soup with a few lumps of horsemeat.
How much dirt does it take to fill a trench?
Length in feet x Width in feet x Depth in feet (inches divided by 12). Take the total and divide by 27 (the amount of cubic feet in a yard). The final figure will be the estimated amount of cubic yards required.
How long does it take to dig a 100 trench?
This article has got you covered. The short answer is a good working trencher of 100 linear feet will take roughly 12 hours to dig. You can calculate the work period by multiplying the linear feet you need to dig by 0.12. However, how fast you finish depends largely on the trencher power and the soil environment.
How far can you trench in a day?
Trencher Production
“Our customers look to dig 1 to 2 miles of trench per day,” says Kevin Shimp, president of Port Industries, a trencher manufacturer in Palmyra, MO. “That’s one trench with one operator, opening up 10,000 feet of trench per day, whereas one excavator can open up 1,000 to 1,500 feet per day.
Are ww1 bodies still being found?
More than a century after the Armistice in 1918, the bodies of missing First World War soldiers are still discovered at a rate of one per week beneath the fields of the Western Front, unearthed by farmers’ ploughs and developers’ bulldozers.
Who invented trenches?
Sébastien Le Prestre de Vauban
The tactical ancestor of modern trench warfare was the system of progressively extended trenches developed by the French military engineer Sébastien Le Prestre de Vauban for the attack of fortresses in the 17th century.