16秋北交《桥梁工程》在线作业1(国外英文资料).docVIP

16秋北交《桥梁工程》在线作业1(国外英文资料) North bridge engineering online homework 1 A RadioButtonList (a total of 10 questions, a total of 30 points.) 1. in our specification, the bridge design load is divided into () A. permanent action, variable action and accidental action B. permanent load, variable load, variable load and other basic C. constant load, variable load, seismic force D. structure weight, vehicle load and accidental load The correct answer: 2. nonlinear temperature field in continuous beam bridge (in) A. structure stress and secondary stress B. only produce structural stress C. produced only structural stress D. does not produce structure stress does not produce secondary stress The correct answer: 3. for the ribbet simply supported hollow slab beam bridge, span is usually applied to () calculation of transverse load distribution coefficient. A. lever method B. eccentric pressure method C. articulated beam method D. rigid beam method The correct answer: In the 4. configuration type T shaped beam bridge, to ensure that the beam can be connected into a whole, to participate in the force, need to set the () A. plate B. diaphragm C. beam D. Web The correct answer: 5. pushing construction method for which bridge? () The A. section of prestressed concrete continuous girder bridge The B. section of reinforced concrete continuous girder bridge C. variable cross-section Prestressed Concrete Continuous Rigid Frame Bridge D. variable cross-section prestressed concrete even The correct answer: 6. in the prestressed concrete structure, prestressing concrete pressure line (produced) A. and tendons in the middle fulcrum eccentricity related The shape of B. and beam end beam reinforcement eccentric distance and beam reinforcement in the span has nothing to do C. and beam end beam reinforcement eccentric distance and beam bars in the shape of the span D. not only shape and beam end of eccentric beam reinforcement spacing and beam reinforcement in the span of, and is associated with