THEORY OF THE CONSTRUCTION OF HELICOIDAL OBLIQUE ARCHES.* Bt JOHN L. CULLEY. Written for Van Nostrand's Engineering Magazine. II. Chapter III. They therefore depend upon the bend and strength of the voussoirs within OBLIQUE ARCHES HELICOIDAL AND OTHER them and in the body of the arch imme- METHODS.… … would naturally be carried to the abut- ments in lines parallel to H 1 and K 2. abutments. Moreover, the thrust 1 and But the triangles HJ1 and L H 2 are stress thus conveyed must necessarily be each supported by a single abutment. in lines or planes other than those par- allel to H 1 and K 2,…
Engineering
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