A symmetric parabolic arch of span 12m and rise 4 m has hinges at springings and at the crown. What is the influence line ordinate at the location 3m from one lower hinge ?

A symmetric parabolic arch of span 12m and rise 4 m has hinges at spri

1.	A symmetric parabolic arch of span 12m and rise 4 m has hinges at springings and at the crown. What is the influence line ordinate at the location 3m from one lower hinge ?
A.	2.25 units
B.	1.25 units
C.	1.125 units
D.	1.0 unit
Answer» B. 1.25 units

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A symmetric parabolic arch of span 12m and rise 4 m has hinges at springings and at the crown. What is the influence line ordinate at the location 3m from one lower hinge ?

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