Curved prestressed bridge, Civil Engineering

Assignment Help:

In a curved prestressed bridge, how ought to the guided bearings in piers of curved region be oriented with respect to a fixed bearing in abutment?


Related Discussions:- Curved prestressed bridge

Explain the unit hydrograph method, Q.- Explain the Unit hydrograph Method ...

Q.- Explain the Unit hydrograph Method for estimation of peak flood discharge in a river. Ans.- Unit hydrograph Method A hydrograph is a representation of hydraulic cha

What is shock transmission unit in bridges, Q. What is Shock transmission u...

Q. What is Shock transmission unit in bridges? Shock transmission unit is fundamentally a device connecting separate structural units. It's characterized by its ability to tran

Aggragates, what are the classification og aggregates?

what are the classification og aggregates?

How should reservoir floors be designed, Question In designing of servi...

Question In designing of service reservoirs, how should reservoir floors be designed to avoid leakage of water because of seasonal and shrinkage movements ? Answer I

Non destructive inspection steel/cast iron substructure, Explain the Non De...

Explain the Non Destructive Inspection Steel/Cast Iron Substructures Some of the structural defects in steel structures may not be visible during visual inspection. In that eve

Evaluate different gas turbine engine, Investigate and evaluate different G...

Investigate and evaluate different Gas Turbine Engine configurations in use for commercial or military Gas Turbine Engine aircraft. 1) Through research, investigate the differen

Rivet, cold driven rivet

cold driven rivet

Bricks properties, what is the application of silica,aluminaand magnesium i...

what is the application of silica,aluminaand magnesium in bricks?

Measure the ultimate settlement due to pumping, A clay stratum of 18 metres...

A clay stratum of 18 metres thickness was found above a sand stratum when a boring was made. The clay was consolidated under the present overburden pressure. The hydrostatic pressu

12/5/2013 6:41:38 AM

To determine orientation of guided bearings, one have to understand movement of curved region of a pre-stressed bridge. Movement of pre-stress and creep are tangential to curvature of the bridge or along longitudinal axis, though movement due to temperature and shrinkage effects are in a direction towards fixed pier. If direction of guided bearings is associated towards fixed bearing in the abutment, the main difference in direction of pre-stress and creep movement and guided direction towards fixed bearing would generate a locked-in force in bridge system. The magnitude of lock-in force is dependent on stiffness of deck and supports. If a force is small, it can be designed as added force acting on support and deck. However, if force is large, temporary freedom of movement at guided bearings has to be provided throughout construction.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd