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31. Railway jacking bridge engineering passing through sand pebble (gravel) layer, because it is a complex loose coarse fragment accumulation layer, the roadbed must be reinforced.

32. Fuxian water is the most serious earthquake in Yunnan Province by the county, rural roads roadbed cave-in, the wall was broken and culverts damaged, mud-rock flows frequently.

33. Blood can create miracles, Put up your hands to build a home of the roadbed.

34. Compaction is a key index in controlling roadbed intensity and stability during the roadbed construction. Sentencedict.com

35. Slags containing Mn is used as the roadbed backfill instead of natural clay.

36. To the rock filling roadbed, there is no effective instruction for the control of compaction quality in the current criterion.

37. Modification of the roadbed expensive soil in the Xiaoxiang highway was carried out with lime and slaked lime in order to enhance the bearing capacity of the road.

38. Numerical simulation analysis is carried out of the temperature field distribution to the frozen area roadbed.

39. The vibration of roadbed and rail is key to the safety of the running train.

40. Ventiduct roadbed is a active cooling foundation to resist thaw, and much experience of application has been obtained.

41. In the process of constructing high rank roadbed, mixture soil filling roadbed are generally adopted.

42. The diversity of temperature is an important factor for tympanites to occur in highway roadbed.

43. Scrambling down a steel ladder, he paused on rung, two feet above the roadbed flashing by.

44. Objective to discuss the cause of longitudinal crack in high-fill roadbed and treatment countermeasure.

45. The main disease of roadbed with wetness and softness loess is large settlement after construction.