门路勘测设计试题01(国外英文资料).docVIP

道路勘测设计试题01(国外英文资料) Road survey design questions One, single item choice (1.5 points, 27 points total) The four-lane highway can generally be used to accommodate the average length of day of the year in which cars are converted into small buses. A. 65000 ~ 90000 B. 60000 ~ 100000 C. 60000-80000 D. 25000-55000 The minimum length of the vertical curve is calculated by the speed of the car at the speed of the design. T is (C). A. 6 seconds B. 0.5 seconds C. three seconds, D. 1 second Set A loop between the line and the radius of radius R. The length is L, the parameter is A, R, L, and A unit are all m, and the correct formula for the formula is (C). A.R - L = A B.R + L = A C.R, L = A2 D.R 2 / L = A The radius of the vertical curve and the outer distance are R and E respectively, each of which is m, and the slope Angle omega is the relation of R and E to (B). The maximum width of a lane is (D). A. 3.5 m B. 3 m 4 m C. D. 3.75 m The JD pile is K1 + 300, and the basic flat curve, which is the length of the tangent line, is 150.5 m, and the point number is (ZH). A.K 1 + 350.5 B.K 1 + 149.5 C.K 1 + 450.5 D.K 1 + 249.5 The road base design of new two, three and four highways is adopted (). A. the line is high in the middle of the lane, high in high and wide, and high in the middle line B. The line in the middle of the line is high, and it is high and wide in the high and wide area C. The edge of the roadbed is high, in setting high and wide area to set high, widen front elevation D. The edge of the roadbed is high, and high and wide area is set high in high and wide area The first step in the selection process is (). A. take A line, longitudinal, and cross design B. step by step plan for local route C. identify all the points of control D. the basic direction of the solution The correct way to put a real slope in the field line is (). A: true slope means the largest longitudinal A true slope is an average grade The slope of the specified line is basically the design grade of