Development of a Probability Based Load Criterion for American National Standard A58: Building Code Requirements for Minimum Design Loads in Buildings and Other Structures, Volume 13U.S. Department of Commerce, National Bureau of Standards, 1980 - 222 pages |
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Page 11
... reduced by load factors depending on the type and sense of the load , while the strengths are reduced by resistance factors less than or equal to unity . For example , ACI Standard 318 bases design in flexure against gravity loads on ...
... reduced by load factors depending on the type and sense of the load , while the strengths are reduced by resistance factors less than or equal to unity . For example , ACI Standard 318 bases design in flexure against gravity loads on ...
Page 15
... reduction in costs . The remainder of Chapter 2 is devoted to describing the procedures used for analyzing reliabilities associated with existing designs and developing the probability - based load criterion for the A58 Standard . 2.2 ...
... reduction in costs . The remainder of Chapter 2 is devoted to describing the procedures used for analyzing reliabilities associated with existing designs and developing the probability - based load criterion for the A58 Standard . 2.2 ...
Page 17
... reducing the failure probability . Thus an increase in ẞ leads to an increase in reliability ( lower Pf ) . Alternatively , if Z - BOZ 20 ( 2.10 ) the reliability is at least 8. Figure 2.1b shows an alternate formulation derived from ...
... reducing the failure probability . Thus an increase in ẞ leads to an increase in reliability ( lower Pf ) . Alternatively , if Z - BOZ 20 ( 2.10 ) the reliability is at least 8. Figure 2.1b shows an alternate formulation derived from ...
Page 20
... reduced variables with zero mean and unit variance through Xi = - X i i σ i In the space of reduced coordinates x 81 ( X1 , X2 , ... , x ) = 0 n i ( 2.16 ) the limit state is i ' ( 2.17 ) with failure occurring when 81 < 0. This is ...
... reduced variables with zero mean and unit variance through Xi = - X i i σ i In the space of reduced coordinates x 81 ( X1 , X2 , ... , x ) = 0 n i ( 2.16 ) the limit state is i ' ( 2.17 ) with failure occurring when 81 < 0. This is ...
Page 21
... Reduced coordinates Figure 2.2 - αι απ В Formulation of Safety Analysis in Original and Reduced Variable Coordinates X1 in which X n , i is the nominal or 21.
... Reduced coordinates Figure 2.2 - αι απ В Formulation of Safety Analysis in Original and Reduced Variable Coordinates X1 in which X n , i is the nominal or 21.
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Common terms and phrases
A58 Standard AISC allowable stresses Aluminum ANSI Appendix arbitrary point-in-time ASCE assumed axial load Brick Masonry calculated coefficient of variation columns compression plus bending computed Concrete Masonry criteria dead load earthquake loads eccentricity Engineering estimates factor of safety Flexure ft² Grade 60 gravity loads influence area limit state equation limit states design live load Lo/Dn Load and Resistance load combinations load criterion load effect load factors load ratios lognormal masonry walls material specification N/mm² nominal load nominal resistance normal normal distribution parameters prestressed concrete probability distribution procedure reinforced concrete Reinforced Concrete Beams reliability analysis reliability index resistance factors Resistance Statistics safety selected shear slabs snow load steel beams stirrups Structural Division Table tensile strength Tension member timber Type uncertainties walls in compression Weibull wind load yield stress
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