Transcription of AUGUST 2016 LRFD BRIDGE DESIGN 3-1
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AUGUST 2016 LRFD BRIDGE DESIGN 3-1
AUGUST 2016 lrfd BRIDGE DESIGN 3-1 Load Factors and Combinations [ ] 3. LOADS AND LOAD FACTORS The loads section of the aashto lrfd Specifications is greatly expanded over that found in the Standard Specifications. This section will present applicable loads and provide guidance to MnDOT s practice for the application of these loads. The standard load combinations for lrfd DESIGN are presented in lrfd Table Several of the loads have variable load factors ( , P , TG , SE ). The load factors for permanent loads (P ) typically have two values, a maximum value and a minimum value. When analyzing a structure it will often be necessary to use both values. The objective is to envelope the maximum load effects on various elements for DESIGN . A box culvert structure illustrates the use of both values. When determining the moment in the top slab of a culvert, the maximum load factor is used on the vertical earth loads, while the minimum load factor is used on the lateral or horizontal earth loads.
AUGUST 2016 LRFD BRIDGE DESIGN 3-1 3.1 Load Factors and Combinations [3.4.1] 3. LOADS AND LOAD FACTORS The loads section of the AASHTO LRFD Specifications is greatly expanded
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TASK 244 LRFD GUIDE, LRFD GUIDE SPECIFICATIONS FOR THE DESIGN, The aashto, AASHTO LRFD Bridge Design Specifications, DESIGN, AASHTO PUBLICATIONS CATALOG, LRFD Bridge, JULY 2016 LRFD BRIDGE DESIGN 11, VIRGINIA DEPARTMENT OF TRANSPORTATION, The AASHTO Standard Specifications, Virginia department of transportation structure and bridge division