Resources for Structural Engineers and Engineering Students

Question 1

(a) $1^{\circ}$ S.I.
(b) $3^{\circ}$ S.I.
(c) Determinate
(d) Unstable
(e) Unstable (concurrent reactions)
(f) Determinate
(g) $1^{\circ}$ S.I.
(h) Unstable (internal collapse mechanism)
(i) $3^{\circ}$ S.I.

Question 2

(a) Determinate
(b) $1^{\circ}$ S.I.
(c) Determinate
(d) $1^{\circ}$ S.I.
(e) Unstable (internal collapse mechanism)
(f) $2^{\circ}$ S.I.
(g) Determinate
(h) Unstable
(i) Determinate