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What is Thermo-electric prestressing
We know that, stretched tendons are used in prestressed concrete. Stretching of tendons may be accomplished by using jacks or by other means. Thermo-electric prestressing is just another method of stretching the tendon wiers. We know that if we increase the temperature of a metal, it expands. As the name suggests, in Thermo-electric prestressing, temperature of tendon wires is increased by passing electric current for a short duration. This temperature increase, taking place within 3-5 minutes, may be of an order of 300-400°C. The bars, which may undergo an expansion of about 0.4-0.5% in length, try to shorten at cooling butare checked by fixed anchors at the two ends.
Define the Pump and Motor Efficiencies Equations account for the loss of power, primarily due to mechanical friction as a result of rotating components in the pump and motor.
haw to control quality of constraction material and it''s stage of control, control management, quality of performance ,organization for control
Q. Show Constituents of bricks? The brick is manufactured out of special. Type of brick earth consisting of clay and sand the proportion of clay and earth should be such that w
Design sewerage net work
Q. Coatings at the back faces of abutments? There are many views on the necessity of application of protective coatings (can be in the form of two coats of paint) to the back f
How is corrosion perverted...?
Common ways to present the project schedule include all except: a. Gantt charts b. Milestone charts c. PERT charts D. Project Network Diagrams with dates added So
Necessity for Road Drainage: Poor drainage can cause damage to the various components of a road in the following manner: (a) Water can enter the various pavement layers th
1. All testing shall be done at room temperature. 2. No bearing shall be tested earlier than a week after vulcanization. 3. Bearing sections shall be cut from test bearings w
lime saturation factor meaning with simple english
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