吉大《钢结构》在线功课二(国外英文资料).doc

吉大《钢结构》在线作业二(国外英文资料) Steel structure online work 2 Test scores: 100 test time: - test scores: 100 One, single topic (10 questions, 40 points). Score: 40 The contents of the real abdominal axis are calculated by the pull component. The intensity of A. B. strength and overall stability C. strength, local stability and overall stability D. Strength, stiffness (length) 4 points: 4 The frame of the roof is usually span (). A. 1/7 ~ 1/8 B. 1/7 ~ 1/9 C. 1/6 ~ 1/8 D. 1/6 ~ 1/9 4 points: 4 When there is a fixed and large concentrated load on the beam, its application points should be (). A. set the vertical stiffener B. set the transverse stiffening rib Reduce the width of the abdominal plate Increase the thickness of the flange 4 points: 4 The main factors that affect the fatigue strength of steel are not included (). Structural condition B. stress amplitude The number of repetitions of cyclic loads The static strength of the steel 4 points: 4 The drawback of the unpurpurer architecture is (). Total difference B. the house is big Poor seismic performance Construct complex 4 points: 4 The important indicator of the steel strength design value is (). A. the yield point Elastic limit Proportional limit D. tensile strength A full score: 4 The steel structure of low-temperature working steel is selected for the strength, plasticity, and cold bending performance indexes. A. low temperature yield strength B. Cold tensile strength C. low temperature impact toughness Fatigue strength 4 points: 4 When the overall stability coefficient phi b 0.6, phi b prime is substituted for phi b, mainly because (). The local stability of the beam has an effect B. the beam has entered the elastoplastic stage C. the beam bends and twists The strength of the beam has decreased 4 points: 4 The main reason for large span structures is steel structure (). The seal is good B. light weight C. manufacturing factory Easy to remove 4 points: 4 The bearing capacity of the normal axial compression component