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An "expansion joint" is a joint left in between sections of the same material, like concrete or steel, that allows movement as the material heats up or cools down. Without it, concrete, for example, can expand and crack in hot temperature.

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16y ago

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Why do you use a construction joint?

Construction joints are very useful, the expansion & contraction made is made in summer & winter season respectiely. In summer coz of temprature concrete get expansion in mm but it damage the structure, that's why construction joint is provided. Sunil Nagargoje TESPL


How do you provide expansion joint in slab beam construction 75 meters in length?

The purpose of expansion joint , is to anticipate movement of structure due to temperature, earthquake,settlement. In 75 mtrs length of slabs we can make expansion joint in L/2 or 75/ 2 or L/ 3 for every 25 mtrs , we provide bearing Pads for movement. , actually this also name as movement joint.


Where can expansion joints be bought?

An expansion joint is used in construction to help deal with the effects of building materials expanding and contracting. They can be purchased through hardware stores like Home Depot.


When was Expansion Joint Manufacturers Association created?

Expansion Joint Manufacturers Association was created in 1955.


What is the construction joint in water retaining structure?

The reinforced concrete construction is the construction joint in water retaining structure.


What is the difference between Rubber Expansion joint and Dismentaling joint?

A rubber expansion joint is designed to absorb movements in piping systems due to thermal expansion or vibration, while a dismantling joint is used to provide the ability to dismantle a pipeline into separate parts for maintenance or repair purposes. The rubber expansion joint helps to prevent damage to the piping system, while the dismantling joint helps to facilitate easy access to the pipeline components.


The difference between contraction joint and construction joint?

A construction joint in concrete jobs is a joint where a fully set and hard concrete joins a fresh concrete to make a joint. Normally, cracks would occur at this joint because concrete was not cast monolithic. A contraction joint is joint between two concrete edges so formed which allows minute movement between the two edges caused by heat or some other external forces. Usually, contraction joints are also referred to as expansion joints.


What is application of expansion joint?

Expansion joints include: PTFE expansion joint, Rubber expansion joint, Metallic expansion joint, and Fabric expansion joint. visit website: www.rubbersealing.comPTFE expansion jointThe PTFE expansion joints are unreinforced PTFE that come standard with iron 150# drill flanges. Stainless flanges are available. They are avaialable in 2, 3, or 5convolutions of varing movements. The 2-convolution joint is sometimes referred to as a "coupling".Molded flexible couplings and expansion joints of PTFEdesigned to help protect pumps, compressors and other expensive equipment.Bellows-type flexible couplings and expansion joints are contour molded of black PTFE by a patented process. They are corrosion resistant, non-aging, with extraordinary flex life and unmatched reliability. These superior units cost no more than those made of lesser materials. The flexible element is formed over the full sealing face of the end flanges eliminating troublesome separate gaskets.Note the change in pressure rating with


How make a construction joint?

how construction joints is done?


Does construction joint require gap or filler?

Far too vague - define "construction joint " more accurately.


What is the process for performing expansion joint replacement in a structure?

The process for performing expansion joint replacement in a structure involves the following steps: Assess the condition of the existing expansion joint to determine if replacement is necessary. Remove the old expansion joint by cutting or removing the existing material. Prepare the area by cleaning and smoothing the surfaces where the new expansion joint will be installed. Install the new expansion joint material, ensuring it is properly aligned and secured. Seal the edges of the new expansion joint to prevent water infiltration and ensure durability. Test the new expansion joint to ensure it functions properly and provides the necessary flexibility for the structure. It is important to follow manufacturer guidelines and consult with a professional to ensure the replacement is done correctly and effectively.


Where does the name dog bone expansion joint come from?

Because the expansion joint in cross-section looks like a dog bone.