毕业论文 文献翻译 中英文 关于高边坡引水隧道变形监测技术综述.doc

河北工程大学外文文献翻译 PAGE 8 Technique summary on the deformation monitoring towards the high side-slope of the diversion tunnel Abstract.This paper discusses in length the deformation monitoring towards the high side-slope of the diversion tunnel. The diversion tunnel lies on the left side of the dam. Its main task is to diverse the water so that the construction on the dam can be fulfilled successfully. On one hand, it tells us how to build the plane (two-dimensional) control network and how to conduct the horizontal displacement; on the other hand, it tells us how to set up the vertical control network and how to carry out the vertical displacement. Keywords: diversion tunnel, high side-slope, deformation monitoring, Horizontal displacement, vertical displacement 1 Introduction to the diversion tunnel The diversion tunnel and its related projects lies on the opposite side of the underground workplace, namely, the left bank of the Shuibuya To protect the worker’s safety during the construction period, it is quite necessary to carry out the rigorous monitoring towards the high side-slope. 2 Coordinate system (1)Beijing Geodetic Coordinate System, 1954; (2)Wusong Altitude system, 1956; (3)Gauss projection 3° Zone; (4)Central Meridian 111°. 3 Introdution to deformation of Structures When the structure is being constructed and in use, so many factors will cause five phenomena, such as: structure subsidence, structure displacement, structure oblique and structure fissure etc. These factors mainly include: the uneven geological component of the foundation, the difference of the physical attribute of the soil, the rigid deformation of the soil, the change in the underground water, the change of the atmospheric temperature, the self weight of the structure itself and the effect of the dynamic weight (such as the wind, the vibration etc.) These phenomena generally called as deformation. Deformation can be classified into two kinds according to the time, namely, long-pe