The repair and rehabilitation of damaged or spalled concrete is done by removing the ____________

A Loose concrete
B Collapsing
C Breakage
D Bonding

Correct Answer: Loose concrete

Repair and rehabilitation of damaged or spalled concrete is done by removing the unsound or loose concrete by providing temporary supports to the girder to relieve dead load stresses and the case of pretressed concrete bridge decks, special stress check up is essential before starting the repair works.
Bissoy MCQ
#Prestressed Concrete Structures #Restoration of Strength of Structures

Related Questions

Differences in the way men and women process language are of special interest to brain researchers. It is known that 'aphasia' , a kind of speech disorder , is more common in men than in women when the left side of the brain is damaged in an accident or after a stroke. However , women are more likely than men to suffer 'aphasia' when the front part of the brain is damaged . The idea implied in the above passage is -
A Brain damaged can be caused by an accident
B Brains of men and women are organized differently in the way they process speech
C Both sides of the brain are responsible for speech organization
D Brain researchers are locked in argument over the process of language development
Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.
A P I (K + 1)
B KIK (1 + F)
C 1/ (1 - F)
D K I (K - P)
E None of the above
In prestressed concrete structures the primary problem is damaged caused to ____________
A Bridge decks
B Spans
C Anchorages
D Ridges
For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is
A 1
B 2
C 3
D 4
It is now ___ expensive to repair the damage which has benn done
A very mush
B too much
C many
D too
Bangladesh Rehabilitation Assistance Committee এর নাম পরিবর্তন করে কত সালে BRAC রাখা হয়?
A ১৯৭৪ সালে
B ১৯৭৬ সালে
C ১৯৭৮ সালে
D ১৯৮০ সালে
What is the problem of rehabilitation?
A Unique
B Submerged
C Lined
D Layered
A sentence has been divided into six parts marked as P, Q, R, S, T, and W. These are - (P) by human interaction, natural disasters and climate changes(Q) has lots of species diversity (R) to be seriously damaged(S) and is less likely(T) a healthy ecosystem (W) that can take placeChoose the proper sequence to make a meaningful and correct sentence.
A TQSRPW
B TWOPSR
C PTQSRW
D TWSQPR
E TWPRSQ
If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then
A d = 0.445 a
B d = 0.557 a
C d = 0.775 a
D None of these
Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
A Tensile strength
B Compressive strength
C Young's modulus
D Thermal co-efficient of expansion

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