![]() ![]() Typically converted to a rampart if used long-term.Ĭasemate: A sturdily-built, arched masonry chamber enclosed by a fortification’s ramparts or walls. Breaching batteries were placed on the parallel lines closer to the enemy position.īreastworks: Fortifications made of piled material (logs, fence rails, stones) usually built up to breast height. This exposed the inside of the fortification to assault.īreaching Battery: A designated artillery position constructed during siege operations to fire upon a vulnerable position in the enemy line, opening it up for assault. Bombproofs were built with heavy timbers and their roofs were covered with dirt.īreach: A large gap in a fortification’s walls or embankments created by artillery fire or mine. The walls had loopholes and embrasures to allow the garrison to fire artillery and small arms in its defense.īombproof: A portion of the fortification designed to protect the garrison from enemy artillery fire. Blockhouses incorporated elements of fortification design and could have small ditches dug around them with the dirt piled against the outer log wall for additional structural support. After completion of an earthwork’s construction, some engineers chose to minimize the berm’s size to prevent attackers from using it as a foothold while attempting to scale the wall.īlockhouse: A log structure built to withstand attack from any direction, typically used to protect railroad bridges and depots. ![]() It was designed to prevent earthwork from sliding back into its ditch. Bastions were designed to prevent attackers gaining shelter from the defenders’ fire.īerm: Small horizontal space between the top of the ditch and the bottom of the parapet. The banquette allowed defenders to fire and then step back to a covered position to reload.īarbette: Raised platform or mound allowing an artillery piece to be fired over a fortification’s walls.īastion: A fortification projecting outward from the curtain. The top was called the tread and the inclined plane leading up to the tread was called the slope. A reentrant angle pointed away from the enemy, a salient angle pointed toward the enemy.Īpex: Angle in a fortification closest to the enemy position.Īpproach: Trench dug toward the enemy position.īanquette: A raised step leading up to the rampart that served as a firing platform for defenders. They served as observation points and a first line of defensive positions.Īngle: Point where two faces of a fortification met. They included rifle pits, picket lines, and vidette posts. It strengthened fortifications by preventing surprise and delaying an attacking enemy once within the defenders’ range.Īdvanced Works: Entrenched positions within supporting range in front of the main line of earthworks. Share to Google Classroom Added by 6 EducatorsĪbatis: A line of felled trees with their branches sharpened, tangled together, and facing toward the enemy. Saved Land Browse Interactive Map View active campaigns.Stop the Largest Rezoning in Orange County History.Send Students on School Field Trips to Battlefields – Your Gift Tripled!.Preserve 128 Sacred Acres at Antietam and Shepherdstown.For Sale: Three Battlefield Tracts Spanning Three Wars.An Unparalleled Preservation Opportunity at Gettysburg Battlefield.Phase Three of Gaines’ Mill-Cold Harbor Saved Forever Campaign.Save 42 Historic Acres at the Battle of Chancellorsville.Virtual Tours View All See Antietam now!.National Teacher Institute July 13 - 16, 2023 Learn More.USS Constitution In 4 Minutes Watch Video.African Americans During the Revolutionary War.The First American President: Setting the Precedent. ![]()
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