Counterweights - Revision history

Editor at 18:54, 26 October 2021

2021-10-26T18:54:47Z

← Older revision		Revision as of 18:54, 26 October 2021
Line 21:		Line 21:
	Counterweights are also used in bridge construction, particularly in bridges that have one platform spanning an area or two that are joined at the middle. These are known in engineering as bascule bridges, but they are commonly referred to as drawbridges. Because of the counterweight, they require very little energy to operate, which means that the bridge can be opened quickly so that boats can pass under.		Counterweights are also used in bridge construction, particularly in bridges that have one platform spanning an area or two that are joined at the middle. These are known in engineering as bascule bridges, but they are commonly referred to as drawbridges. Because of the counterweight, they require very little energy to operate, which means that the bridge can be opened quickly so that boats can pass under.

−	= Related articles on Designing Buildings ~~Wiki~~ =	+	= Related articles on Designing Buildings =

	* Abutment.		* Abutment.
Line 29:		Line 29:
	* Cranes.		* Cranes.
	* Forklift truck.		* Forklift truck.
		+	* Funicular.
	* Gantry.		* Gantry.
	* Hoists.		* Hoists.

Editor at 18:51, 27 September 2021

2021-09-27T18:51:21Z

← Older revision		Revision as of 18:51, 27 September 2021
Line 24:		Line 24:

	* Abutment.		* Abutment.
		+	* Arbour.
	* Bascule bridge.		* Bascule bridge.
	* Bridges.		* Bridges.

Editor at 18:25, 20 May 2021

2021-05-20T18:25:16Z

← Older revision		Revision as of 18:25, 20 May 2021
Line 24:		Line 24:

	* Abutment.		* Abutment.
		+	* Bascule bridge.
	* Bridges.		* Bridges.
	* Cranes.		* Cranes.

Designing Buildings at 08:54, 29 October 2020

2020-10-29T08:54:37Z

← Older revision		Revision as of 08:54, 29 October 2020
Line 42:		Line 42:
	--[[User:Nathan_Massey\|Nathan Massey]] 14:36, 11 Jul 2017 (BST)		--[[User:Nathan_Massey\|Nathan Massey]] 14:36, 11 Jul 2017 (BST)

−	[[Category:~~Theory~~]] [[Category:~~Products_/_components~~]] [[Category:DCN_Product_Knowledge]]	+	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Theory]] [[Category:Products_/_components]]

Editor at 16:18, 30 June 2020

2020-06-30T16:18:25Z

← Older revision		Revision as of 16:18, 30 June 2020
Line 21:		Line 21:
	Counterweights are also used in bridge construction, particularly in bridges that have one platform spanning an area or two that are joined at the middle. These are known in engineering as bascule bridges, but they are commonly referred to as drawbridges. Because of the counterweight, they require very little energy to operate, which means that the bridge can be opened quickly so that boats can pass under.		Counterweights are also used in bridge construction, particularly in bridges that have one platform spanning an area or two that are joined at the middle. These are known in engineering as bascule bridges, but they are commonly referred to as drawbridges. Because of the counterweight, they require very little energy to operate, which means that the bridge can be opened quickly so that boats can pass under.

−	~~= Find out more =~~	+	= Related articles on Designing Buildings Wiki =
−		+
−	=== Related articles on Designing Buildings Wiki ===	+

	* Abutment.		* Abutment.
Line 29:		Line 27:
	* Cranes.		* Cranes.
	* Forklift truck.		* Forklift truck.
		+	* Gantry.
	* Hoists.		* Hoists.
	* Lifts.		* Lifts.
Line 43:		Line 42:
	--[[User:Nathan_Massey\|Nathan Massey]] 14:36, 11 Jul 2017 (BST)		--[[User:Nathan_Massey\|Nathan Massey]] 14:36, 11 Jul 2017 (BST)

−	[[Category:Theory]] [[Category:Products_/_components]]	+	[[Category:Theory]] [[Category:Products_/_components]] [[Category:DCN_Product_Knowledge]]

Editor at 17:54, 3 June 2020

2020-06-03T17:54:10Z

← Older revision		Revision as of 17:54, 3 June 2020
Line 36:		Line 36:
	* Lifts for office buildings.		* Lifts for office buildings.
	* Lift shaft.		* Lift shaft.
		+	* Scour.
	* The importance of service lifts.		* The importance of service lifts.
	* The science of lifts.		* The science of lifts.

Editor at 16:56, 12 February 2019

2019-02-12T16:56:20Z

← Older revision		Revision as of 16:56, 12 February 2019
Line 35:		Line 35:
	* Lifts and Their Special Operating Modes.		* Lifts and Their Special Operating Modes.
	* Lifts for office buildings.		* Lifts for office buildings.
		+	* Lift shaft.
	* The importance of service lifts.		* The importance of service lifts.
	* The science of lifts.		* The science of lifts.

Editor at 16:33, 23 January 2018

2018-01-23T16:33:31Z

← Older revision		Revision as of 16:33, 23 January 2018
Line 1:		Line 1:
−	[[File:~~Southbank Tower Bridge~~.jpg]]	+	[[File:Southbank_Tower_Bridge.jpg\|link=File:Southbank_Tower_Bridge.jpg]]

	= Introduction =		= Introduction =
Line 5:		Line 5:
	In engineering, a counterweight is an object that helps provide stability and balance for another system. Counterweights can be found a wide range of applications, such as cranes, bridges, and lifts, where they help to make systems more efficient at load bearing.		In engineering, a counterweight is an object that helps provide stability and balance for another system. Counterweights can be found a wide range of applications, such as cranes, bridges, and lifts, where they help to make systems more efficient at load bearing.

−	= What are ~~Counterweights~~? =	+	= What are counterweights? =

	Counterweights help support loads when they are being lifted or lowered. For counterweights to work as efficiently as possible, they need to have the right mass and be at the optimum distance from the pivot point. In physics, this is known as the moment, and it is simply the mass of the counterweight multiplied by its distance from the pivot.		Counterweights help support loads when they are being lifted or lowered. For counterweights to work as efficiently as possible, they need to have the right mass and be at the optimum distance from the pivot point. In physics, this is known as the moment, and it is simply the mass of the counterweight multiplied by its distance from the pivot.
Line 11:		Line 11:
	For the most efficient operation, the moment of the counterweight must be equal to the moment of the load. This is extremely important, because if the moment of one side is larger than the other, then the dominant side will topple over.		For the most efficient operation, the moment of the counterweight must be equal to the moment of the load. This is extremely important, because if the moment of one side is larger than the other, then the dominant side will topple over.

−	= Examples of ~~Counterweights~~ =	+	= Examples of counterweights =

	Some of the first uses of counterweights were in medieval siege engines known as trebuchets. These were huge structures that used a counterweight to throw projectiles that weighed between 100 – 200 lb into enemy fortifications from a distance.		Some of the first uses of counterweights were in medieval siege engines known as trebuchets. These were huge structures that used a counterweight to throw projectiles that weighed between 100 – 200 lb into enemy fortifications from a distance.
Line 25:		Line 25:
	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===

		+	* Abutment.
	* Bridges.		* Bridges.
	* Cranes.		* Cranes.
Line 38:		Line 39:
	* Wheelchair platform stairlifts.		* Wheelchair platform stairlifts.

−		+	--[[User:Nathan_Massey\|Nathan Massey]] 14:36, 11 Jul 2017 (BST)
−		+
−	--[[User:~~Nathan Massey~~\|Nathan Massey]] 14:36, 11 Jul 2017 (BST)	+

	[[Category:Theory]] [[Category:Products_/_components]]		[[Category:Theory]] [[Category:Products_/_components]]

Nathan Massey at 13:36, 11 July 2017

2017-07-11T13:36:00Z

← Older revision		Revision as of 13:36, 11 July 2017
Line 1:		Line 1:
		+	[[File:Southbank Tower Bridge.jpg]]
		+
		+	= Introduction =
		+
	In engineering, a counterweight is an object that helps provide stability and balance for another system. Counterweights can be found a wide range of applications, such as cranes, bridges, and lifts, where they help to make systems more efficient at load bearing.		In engineering, a counterweight is an object that helps provide stability and balance for another system. Counterweights can be found a wide range of applications, such as cranes, bridges, and lifts, where they help to make systems more efficient at load bearing.

−	Counterweights help support loads when they are being lifted or lowered. For counterweights to work as efficiently as possible, they ~~needs~~ to have the right mass and be at the optimum distance from the pivot point. In physics, this is known as the moment, and it is simply the mass of the counterweight multiplied by its distance from the pivot.	+	= What are Counterweights? =
		+
		+	Counterweights help support loads when they are being lifted or lowered. For counterweights to work as efficiently as possible, they need to have the right mass and be at the optimum distance from the pivot point. In physics, this is known as the moment, and it is simply the mass of the counterweight multiplied by its distance from the pivot.

	For the most efficient operation, the moment of the counterweight must be equal to the moment of the load. This is extremely important, because if the moment of one side is larger than the other, then the dominant side will topple over.		For the most efficient operation, the moment of the counterweight must be equal to the moment of the load. This is extremely important, because if the moment of one side is larger than the other, then the dominant side will topple over.
		+
		+	= Examples of Counterweights =

	Some of the first uses of counterweights were in medieval siege engines known as trebuchets. These were huge structures that used a counterweight to throw projectiles that weighed between 100 – 200 lb into enemy fortifications from a distance.		Some of the first uses of counterweights were in medieval siege engines known as trebuchets. These were huge structures that used a counterweight to throw projectiles that weighed between 100 – 200 lb into enemy fortifications from a distance.
Line 29:		Line 37:
	* The science of lifts.		* The science of lifts.
	* Wheelchair platform stairlifts.		* Wheelchair platform stairlifts.
		+
		+
		+
		+	--[[User:Nathan Massey\|Nathan Massey]] 14:36, 11 Jul 2017 (BST)

	[[Category:Theory]] [[Category:Products_/_components]]		[[Category:Theory]] [[Category:Products_/_components]]

Designing Buildings at 15:01, 12 April 2017

2017-04-12T15:01:47Z

← Older revision		Revision as of 15:01, 12 April 2017
Line 13:		Line 13:
	Counterweights are also used in bridge construction, particularly in bridges that have one platform spanning an area or two that are joined at the middle. These are known in engineering as bascule bridges, but they are commonly referred to as drawbridges. Because of the counterweight, they require very little energy to operate, which means that the bridge can be opened quickly so that boats can pass under.		Counterweights are also used in bridge construction, particularly in bridges that have one platform spanning an area or two that are joined at the middle. These are known in engineering as bascule bridges, but they are commonly referred to as drawbridges. Because of the counterweight, they require very little energy to operate, which means that the bridge can be opened quickly so that boats can pass under.

−	Find out more	+	= Find out more =

−	Related articles on Designing Buildings Wiki	+	=== Related articles on Designing Buildings Wiki ===

−	Bridges.	+	* Bridges.
−		+	* Cranes.
−	Cranes.	+	* Forklift truck.
−		+	* Hoists.
−	Forklift truck.	+	* Lifts.
−		+	* Lifting device.
−	Hoists.	+	* Lifting platform.
−		+	* Lifts and Their Special Operating Modes.
−	Lifts.	+	* Lifts for office buildings.
−		+	* The importance of service lifts.
−	Lifting device.	+	* The science of lifts.
−		+	* Wheelchair platform stairlifts.
−	Lifting platform.	+
−		+
−	Lifts and Their Special Operating Modes.	+
−		+
−	Lifts for office buildings.	+
−		+
−	The importance of service lifts.	+
−		+
−	The science of lifts.	+
−		+
−	Wheelchair platform stairlifts.	+

	[[Category:Theory]] [[Category:Products_/_components]]		[[Category:Theory]] [[Category:Products_/_components]]