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Design of Latticed Steel Transmission Structures (ASCE by Not Available

By Not Available

This commonplace presents requisites for the layout of guyed and self-supporting latticed metal electric transmission buildings. the necessities are appropriate for hot-rolled and cold-formed metal shapes. research concepts are defined for the geometrical configurations at the moment in use. techniques for the layout of person contributors replicate vast event and try facts on steels with yield issues as much as sixty five ksi. Connection layout tactics let the engineer to compare connection potential to the main compatible finish and side distances for detailing. If full-scale constitution trying out is needed, techniques are defined to help in acquiring severe details. layout methods disguise structural metal participants and connections utilized in foundations. The remark presents helping history information.

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Extra info for Design of Latticed Steel Transmission Structures (ASCE 10-97)

Sample text

778 Joint restraint not a consideration- tension member. 94 sq. in. 005 No restraint for (2). Joint (B): Single boit connection- no restraint. 495; (Eq. 2 = 198; Member meets requirementsof compression member. 3. Member Restraint Determination (All dimensions in inches: 1 in. 65 times the minimum breaking strength, is consistent with the standards ultimate stress Fy for tension members. The factor of safety of a guy with respect to its elastic limit is equal to the load factor, as with other structural components.

85; A, = cross-sectional area of a stud shear connector; fi = specified compressive strength of concrete; and E, = modulus of elasticity of concrete. Values of Q,, from Eq. 6-1are applicable only to concrete made with ASTM C33 aggregates. All AISC requirements ( A I X Manual of Steel Construction, Load and Resistance Factor Design, 1994) for stud material and configuration, spacing, ratio of stud diameter to minimum thickness of material to which it is welded, and concrete properties and coverage shall be met.

4-4. A combination of shear lugs and shear friction is not allowed. 5 DESIGN REQUIREMENTS FOR CONCRETE AND REINFORCING STEEL The ultimate design stresses and strength factors of AC1 3 18 shall be used for the design of concrete and reinforcing steel in conjunction with the structure design-factored loads specified in Section 2. 2. 6 shall apply. 33+*), acting on an effective stress area that is defined by the projecting area of stress cones radiating towards the surface from the bearing edge of the anchors.

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