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pretensioning

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pretensioning [prē′ten·shən·iŋ]
(engineering)
Process of precasting concrete beams with tensioned wires embedded in them. Also known as Hoyer method of prestressing.

pretensioning
A method of prestressing reinforced concrete in which the tendons are tensioned before the concrete has hardened.


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Seat belts are also available with variable functions such as load limit capability and pretensioning BMW Photos
Collision-mitigation systems - in addition to sending out a warning to the driver, either through audio, visual or vibrating the steering wheel these systems aim to assess the danger ahead and trigger various active safety features such as pretensioning the seatbelts.
If the precrash sensing system determines that an accident is unavoidable, it will help protect occupants by pretensioning motorized seat belts and applying brakes.
 
 
 
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