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The difference between the two is in the application. A development length is the amount of rebar length that is needed to be embedded or projected into concrete to create a desired bond strength between the two materials. The lap splice length is the length two rebar pieces must overlap and be tied together to create a bond as if there was no break and the run is "continuous". So simply put, development is rebar to concrete, splice is rebar to rebar. The lengths of both splice and development do vary. They are dependent upon different factors. These include but are not limited to concrete strength, rebar size, rebar coating and concrete cover or clearance. So when you see a chart on one project, it can differ from another for these reasons.

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Q: What is the difference between lap splice length and development length for rebars?
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Comparison between BS and ASTM specification for steel rebars?

C 11 specification


Why rebars are capped?

To prevent injury.


What is the difference between lean concrete and mass concrete?

Mass concrete is concrete cast without Rebars. They are good in compression and are mostly used for the construction of gravity structures such as Dams. While reinforced concrete have reinforcement bars in them, which increases the tensile strenght of the concrete.


What the unit weight of the rebars 16mm?

The unit weight of 16 mm reinforcement is 1.58 kg/m


What is tensile strength of tor steel?

Rajuri Thermex TMT500 rebars have excellent bend properties due to the unique ductility (elongation values) obtained when using the German HSE Thermex Technology.Corrosion Resistance propertiesControlled water-cooling prevents the formation of coarse carbides, which has been cited as the main cause for the corrosive nature of common bar.Another reason for better corrosion resistance is the absence of surface stresses caused by the cold twisting (and Torsteel) process.WeldabilityRajuri Thermex TMT500 rebars with carbon content less than 0.25% can be used for butt and other weld joints without reduction in strength at the weld joints.Fire ResistanceUnlike Torsteel and CTD Rebars, Thermex bars have high thermal stability. They are the preferred choice when elevated temperatures of 400-600 C may be encountered (Chimneys, fires).Earthquake ResistanceThermex rebars have high fatigue resistance to Dynamic/ Seismic loads due to its higher ductility quality. This makes Thermex bars most suitable for use in earthquake prone areas.FormabilityDue to very high elongation values and consistent properties through out the length of bar, Thermex rebars have excellent workability and bendability.Strain AgeingDue to unique and scientific manufacturing process and chemical composition, Thermex rebars show no tendency of embrittlement either during welding or cold deformation of welded joints.Cost EffectiveThermex TMT rebars required 15-20% less usage than CTD bars for same work with cost 5% more than than CTD bars. This results in overall saving of 10-25%.

Related questions

Comparison between BS and ASTM specification for steel rebars?

C 11 specification


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sir, i want to take core test for the length of 75cm in concrete if the rebars obstruct what have to do?


Why rebars are capped?

To prevent injury.


What is the difference between lean concrete and mass concrete?

Mass concrete is concrete cast without Rebars. They are good in compression and are mostly used for the construction of gravity structures such as Dams. While reinforced concrete have reinforcement bars in them, which increases the tensile strenght of the concrete.


What words have letters b r r e a s?

rebars


What is the constant value from cubic meter of concrete to determine weight of rebar?

There is no constant value for the ratio of the rebars and concrete volume. The rebars depends on the structural designer's safety factor and the factors affecting the framing like wind, earthquake and soil.


How do you measure rebars?

Rebar is measured by length (so inches or mm) and is usually followed with by weight. There are various sizes (diameters) of bars. Each size has a weight per length than you determined weight by length X barsize weight per length. It can be done in metric or imperial, just have the appropriate and corresponding chart that is relevant. For projects, the total rebar weight of the job is usually what is used to tell overall scope of project size.


In two way slab which rebars has a wider spacing the middle strip or the column strip?

Middle strip


What the unit weight of the rebars 16mm?

The unit weight of 16 mm reinforcement is 1.58 kg/m


What is the standard size of beam for a 2 story house?

350x450mm with 12-16mm rebars on 5m span


How many tons rebar in a cubic meter of concrete?

average of 0.12tons of rebars per cubic meter of concrete.


What is tensile strength of tor steel?

Rajuri Thermex TMT500 rebars have excellent bend properties due to the unique ductility (elongation values) obtained when using the German HSE Thermex Technology.Corrosion Resistance propertiesControlled water-cooling prevents the formation of coarse carbides, which has been cited as the main cause for the corrosive nature of common bar.Another reason for better corrosion resistance is the absence of surface stresses caused by the cold twisting (and Torsteel) process.WeldabilityRajuri Thermex TMT500 rebars with carbon content less than 0.25% can be used for butt and other weld joints without reduction in strength at the weld joints.Fire ResistanceUnlike Torsteel and CTD Rebars, Thermex bars have high thermal stability. They are the preferred choice when elevated temperatures of 400-600 C may be encountered (Chimneys, fires).Earthquake ResistanceThermex rebars have high fatigue resistance to Dynamic/ Seismic loads due to its higher ductility quality. This makes Thermex bars most suitable for use in earthquake prone areas.FormabilityDue to very high elongation values and consistent properties through out the length of bar, Thermex rebars have excellent workability and bendability.Strain AgeingDue to unique and scientific manufacturing process and chemical composition, Thermex rebars show no tendency of embrittlement either during welding or cold deformation of welded joints.Cost EffectiveThermex TMT rebars required 15-20% less usage than CTD bars for same work with cost 5% more than than CTD bars. This results in overall saving of 10-25%.