大工12秋《路基路面工程》在线作业1(第5次)（Great works 12 autumn subgrade and pavement engineering online homework 1 (fifth times)）.docVIP

大工12秋《路基路面工程》在线作业1(第5次)（Great works 12 autumn subgrade and pavement engineering online homework 1 (fifth times)） In the fall of 12 road engineering online homework 1 A RadioButtonList The main function of asphalt pavement is (1.). A. directly under the wheel load B. antifreeze, anti wet C. main bearing D., water drainage Answer: C 2. in the surface layer of asphalt poured asphalt layer is (). A. need to add the old asphalt pavement wearing surface The old asphalt pavement cracks B. C. need to add new asphalt pavement wearing surface D. to the old asphalt pavement asphalt overlay Answer: D 3. the following test project belongs to the project and the measured rock subgrade, does not belong to the earth roadbed project measured is (). A. compactness The smoothness of the slope B. C. deflection D. smoothness Answer: B The following 4. packing, according to the relevant provisions after treatment can be used for embankment filling is lower (packing). A. permafrost B. powder soil C. organic soil D. garbage Answer: B 5. for excavation engineering, machinery and equipment selection of the best combination is (). A. excavators, bulldozers, mobile air compressors, rock drilling machine B. bulldozer, excavator, loader, crusher and machine C. bulldozers, scrapers, excavators, loaders and dump trucks D. bulldozer, scraper, kneading, roller, sprinkler, grader and truck Answer: D 6. in the earthwork embankment construction, ground slope is greater than () of the lot, the construction method of vertical stratification, along the longitudinal slope layer, compacting fill layer. A. 5% B. 10% C. 12% D. 14% Answer: C 7. a roadbed replacement construction, the replacement depth is 2m, groundwater is 1.8~2.0m below the ground, the following non permeable aquifer. In order to reduce and intercept groundwater, in replacement should be set at the boundary (). A. well B. chute C. evaporation pool D. stone ditch Answer: D Asphalt mixture structure 8. by continuous open graded aggregate compos