The term anchorage slip means ___________

Distance moved by friction wedges

Twisting movement by friction wedges

The term anchorage slip means:

Distance moved by friction wedges

Twisting movement by friction wedges

21 + Mcqs in Loss Due Anchorage Slip in Prestressed Concrete Structures Page 1 McqOptions

1.	A prestressed concrete beam, 200mm wide and 300mm deep is prestressed with wires (area is 320mm2) located at a constant eccentricity of 50mm, initial stress of 1000n/mm2, span is 10m. Calculate loss of stress due to friction and slip anchorage of post tensioned beam?(Es = 210kn/mm2, Ec = 35kn/mm2).
A.	21 and 15
B.	35 and 25
C.	15 and 20
D.	5 and 10
Answer» B. 35 and 25

Discussion

2.	The total losses of stress that could be encountered under normal conditions of work were recommended by __________
A.	Lin
B.	Marks
C.	Keifer
D.	Neville
Answer» B. Marks

Discussion

3.	A post tensioned cable of beam 10m long is initially tensioned to a stress of 1000n/mm2 at one end, slope is 1 in 24 tendons curved at each end , area is 600mm2, Es is 210kn/mm2, coefficient of friction between duct and cable is 0.55, friction coefficient for wave effect is 0.0015perm. During anchorage, if there is a slip 3mm at the jacking end, calculate final force?
A.	39.8kn
B.	40.2kn
C.	37.8kn
D.	48.8kn
Answer» D. 48.8kn

Discussion

4.	A concrete beam is post tensioned by a cable carrying an initial stress of 1000n/mm2, the slip at the jacking end was end was observed to be 5mm; modulus of elasticity of steel is 210kn/mm2. Estimate the percentage loss of stress due to anchorage if length of beam is 30m?
A.	3.5%
B.	4.5%
C.	5.5%
D.	8.7%
Answer» B. 4.5%

Discussion

5.	The loss of stress due to anchorage slip of anchorages is given as __________
A.	EsA/L
B.	EaA/L
C.	EcA/L
D.	EwA/L
Answer» B. EaA/L

Discussion

6.	In case of long line pre tensioning system, anchorage slip is less than __________
A.	Magnitude of wires
B.	Length of wires
C.	Distance of wires
D.	Radius of wires
Answer» C. Distance of wires

Discussion

7.	The anchorage slip is low in members with __________
A.	Small spans
B.	Large spans
C.	Middle spans
D.	End spans
Answer» B. Large spans

Discussion

8.	The amount of anchorage slip generally depends upon __________
A.	Type of wedge
B.	Type of tendon
C.	Type of anchor
D.	Type of cement
Answer» B. Type of tendon

Discussion

9.	The anchorage slip is observed in __________
A.	Post tensioned members
B.	Pre tensioned members
C.	Anchorage members
D.	Tensioned members
Answer» C. Anchorage members

Discussion

10.	The term anchorage slip means ___________
A.	Distance moved by friction wedges
B.	Radius by friction wedges
C.	Rotation by friction wedges
D.	Twisting movement by friction wedges
Answer» B. Radius by friction wedges

Discussion

11.	A_POST_TENSIONED_CABLE_OF_BEAM_10M_LONG_IS_INITIALLY_TENSIONED_TO_A_STRESS_OF_1000N/MM²_AT_ONE_END,_SLOPE_IS_1_IN_24_TENDONS_CURVED_AT_EACH_END_,_AREA_IS_600MM²,_E_S_IS_210KN/MM²,_COEFFICIENT_OF_FRICTION_BETWEEN_DUCT_AND_CABLE_IS_0.55,_FRICTION_COEFFICIENT_FOR_WAVE_EFFECT_IS_0.0015PERM._DURING_ANCHORAGE,_IF_THERE_IS_A_SLIP_3MM_AT_THE_JACKING_END,_CALCULATE_FINAL_FORCE??$
A.	39.8kn
B.	40.2kn
C.	37.8kn
D.	48.8kn
Answer» D. 48.8kn

Discussion

12.	A prestressed concrete beam, 200mm wide and 300mm deep is prestressed with wires (area is 320mm²) located at a constant eccentricity of 50mm, initial stress of 1000n/mm², span is 10m. Calculate loss of stress due to friction and slip anchorage of post tensioned beam?(E_s = 210kn/mm², E_c = 35kn/mm²)$
A.	21 and 15
B.	35 and 25
C.	15 and 20
D.	5 and 10
Answer» B. 35 and 25

Discussion

13.	The_total_losses_of_stress_that_could_be_encountered_under_normal_conditions_of_work_were_recommended_by:$
A.	Lin
B.	Marks
C.	Keifer
D.	Neville
Answer» B. Marks

Discussion

14.	A concrete beam is post tensioned by a cable carrying an initial stress of 1000n/mm², the slip at the jacking end was end was observed to be 5mm; modulus of elasticity of steel is 210kn/mm². Estimate the percentage loss of stress due to anchorage if length of beam is 30m?
A.	3.5%
B.	4.5%
C.	5.5%
D.	8.7%
Answer» B. 4.5%

Discussion

15.	The loss of stress due to anchorage slip of anchorages is given as:
A.	E<sub>s</sub>A/L
B.	E<sub>a</sub>A/L
C.	E<sub>c</sub>A/L
D.	E<sub>w</sub>A/L
Answer» B. E<sub>a</sub>A/L

Discussion

16.	Which of the following system is similar to loss due to anchorage slip?
A.	Freyssinet system
B.	Magnel Balton system
C.	Leonhardt-Baur system
D.	Gifford Udall system
Answer» D. Gifford Udall system

Discussion

17.	In case of long line pre tensioning system, anchorage slip is less than:
A.	Magnitude of wires
B.	Length of wires
C.	Distance of wires
D.	Radius of wires
Answer» C. Distance of wires

Discussion

18.	The anchorage slip is low in members with:
A.	Small spans
B.	Large spans
C.	Middle spans
D.	End spans
Answer» B. Large spans

Discussion

19.	The amount of anchorage slip generally depends upon:
A.	Type of wedge
B.	Type of tendon
C.	Type of anchor
D.	Type of cement
Answer» B. Type of tendon

Discussion

20.	The anchorage slip is observed in:
A.	Post tensioned members
B.	Pre tensioned members
C.	Anchorage members
D.	Tensioned members
Answer» B. Pre tensioned members

Discussion

21.	The term anchorage slip means:
A.	Distance moved by friction wedges
B.	Radius by friction wedges
C.	Rotation by friction wedges
D.	Twisting movement by friction wedges
Answer» B. Radius by friction wedges

Discussion

Explore topic-wise MCQs in Prestressed Concrete Structures.

A prestressed concrete beam, 200mm wide and 300mm deep is prestressed with wires (area is 320mm2) located at a constant eccentricity of 50mm, initial stress of 1000n/mm2, span is 10m. Calculate loss of stress due to friction and slip anchorage of post tensioned beam?(Es = 210kn/mm2, Ec = 35kn/mm2).

The total losses of stress that could be encountered under normal conditions of work were recommended by __________

A concrete beam is post tensioned by a cable carrying an initial stress of 1000n/mm2, the slip at the jacking end was end was observed to be 5mm; modulus of elasticity of steel is 210kn/mm2. Estimate the percentage loss of stress due to anchorage if length of beam is 30m?

The loss of stress due to anchorage slip of anchorages is given as __________

In case of long line pre tensioning system, anchorage slip is less than __________

The anchorage slip is low in members with __________

The amount of anchorage slip generally depends upon __________

The anchorage slip is observed in __________

The term anchorage slip means ___________

A prestressed concrete beam, 200mm wide and 300mm deep is prestressed with wires (area is 320mm2) located at a constant eccentricity of 50mm, initial stress of 1000n/mm2, span is 10m. Calculate loss of stress due to friction and slip anchorage of post tensioned beam?(Es = 210kn/mm2, Ec = 35kn/mm2)$

The_total_losses_of_stress_that_could_be_encountered_under_normal_conditions_of_work_were_recommended_by:$

A concrete beam is post tensioned by a cable carrying an initial stress of 1000n/mm2, the slip at the jacking end was end was observed to be 5mm; modulus of elasticity of steel is 210kn/mm2. Estimate the percentage loss of stress due to anchorage if length of beam is 30m?

The loss of stress due to anchorage slip of anchorages is given as:

Which of the following system is similar to loss due to anchorage slip?

In case of long line pre tensioning system, anchorage slip is less than:

The anchorage slip is low in members with:

The amount of anchorage slip generally depends upon:

The anchorage slip is observed in:

The term anchorage slip means:

A concrete beam is post tensioned by a cable carrying an initial stress of 1000n/mm², the slip at the jacking end was end was observed to be 5mm; modulus of elasticity of steel is 210kn/mm². Estimate the percentage loss of stress due to anchorage if length of beam is 30m?