C3.1-3Live Load of 150 psf 3.2VEHICLE LOAD (LL) Where vehicular access is not prevented by permanent physical methods, pedestrian bridges shall be designed for a maintenance vehicle load specified in Figure 1 and Table 1 for the Strength I Load Combination unless otherwise specified by the ...
按美国AASHTOLRFD桥梁设计规范计算的⼈⾏天桥AASHTO LRFD Guide Specification Pedestrian Bridge Design Example Half-Through Truss Bridge with Tubular Members ILLUSTRATIVE EXAMPLE OF KEY PROVISIONS OF GUIDE SPECIFICATIONS Load and Resistance Factor Design GENERAL INFORMATION Specifications Used:- AASHTO LRFD ...
members, the Fatigue I load combination specified in Table 3.4.1-1 should be used in combination with the nominal fatigue resistance for infinite life specified in Article 6.6.1.2.5. 6-34 and 6-45 Last paragraph of C6.6.1.2.3 is misplaced. Move paragraph just after the fifth par...
multiplied by the appropriate load factors specified for the load combination under consideration. Factored Resistance --The nominal resistance multiplied by a resistance factor. Fixed Bridge --A bridge with a fixed vehicular or navigational clearance. Force Effect --A deformation, stress, or ...
a(externally bonded by epoxy), and various combination of these materials. The strengthening of[translate] adiscount fees 折扣费[translate] aor defective materials by better quality materials, attaching additional load-bearing materials, and redistribution[translate] ...
4.2 selection of analysis method minimum requirements for the selection of an analysis method for a particular bridge type are given in table 4.2a. applicability is determined by the “regularity” of a bridge which is a function of the number of spans and the distribution of weight and ...
The governing load combination comes from the AASHTO LRFD for the limit state Strength I. Table 1. Overview of parameters studied. L (m) 7.5 10 12.5 15 - Number of Lanes 1 2 3 4 - W (m) 5.6 9.2 12.8 16.4 - α (◦) 0 15 30 45 60 fy (MPa) 500 220 - - - F c (MPa)...