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Fully prestressed concrete beam means:

1: no tension is permitted2: no cracking is permitted3: working loads are completely resisted by prestressing force4: none of these

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تم إضافة السؤال من قبل Alex Al Yazouri , General Manager , Al Mushref Cooperative Society
تاريخ النشر: 2015/02/10
جعفر هندي زين السقاف
من قبل جعفر هندي زين السقاف , "Certified trainer by the Yemeni Engineers Syndicate." , Engineers Syndicate

Answer is option"3" Working loads are completely resisted by prestressing force.

مستخدم محذوف‎
من قبل مستخدم محذوف‎

Thank you for invitation

Agree with your answer 

Alex Al Yazouri
من قبل Alex Al Yazouri , General Manager , Al Mushref Cooperative Society

3: >>>>>>>>>>>>>>working loads are completely resisted by prestressing force

Wolf Klaas Kinsbergen
من قبل Wolf Klaas Kinsbergen , Managing Director, Designer , ingenieursbureau KB International NV

none of these, only the static loads are resisted by the prestressing

hatem labib
من قبل hatem labib , Quality control manager , MISER consultant

answer number3 is the pest answer

Kaamila Tahseen
من قبل Kaamila Tahseen , Change Management Team Manager , cognizant technology solutions

May be working loads are completely resisted by prestressing force

مستخدم محذوف‎
من قبل مستخدم محذوف‎

3) may be this answer is the most available one but i have to give an additional information about prestressed concrete design Sometimes we need to use traditional S420 steel or equivalent quality structural steel for resisting flexural stress especially in restrain area and it depends on bonding quantity of strands.

bashir boumjahed boumjahed
من قبل bashir boumjahed boumjahed , Interior Architect , Interior Desing & Contracting

Prestressed concreteis a form ofconcreteused in construction which is "pre-stressed" by being placed undercompressionprior to supporting any loads beyond its own dead weight.This compression is produced by thetensioningof high-strength "tendons" located within or adjacent to the concrete volume, and is done to improve the performance of the concrete in service.

Elke Woofter
من قبل Elke Woofter , Project Assistant , American Technical Associates

my answer is Option3- referring to the working loads

Mohamed Hamdy Kamal Riad
من قبل Mohamed Hamdy Kamal Riad , Senior Solution Architect , IBM

         Working  loads are resisted by pre stressing force                                             .

USAMA YOSSRY AHMED GENDIA
من قبل USAMA YOSSRY AHMED GENDIA , Resident Engineer , ACE ARAB CONSULANT ENGINEER - MOHARM BAKHOOM

3 and3  and  3

 

only3

 

3

 

3

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