【摘要】 2008年5月12日,发生于四川省汶川县的8.0级大地震已造成近7万同胞罹难,举国同哀。通过地震次生地质灾害的调查和深入思考,认为工程地质力学可以而且应该在抗震救灾和灾后重建中发挥重要作用。通过安县西部的初步考察发现,考察区内的地震次生地质灾害主要有顺层滑坡、坡积层滑坡、陡崖崩塌、滚石等。根据岩体工程地质力学的观点,地质结构面是考察区内地质灾害发生的重要控制性因素。在灾后重建阶段,必须要考虑重建选址、地质灾害监测、地质灾害防治等方面的工程地质力学问题。更多还原

【Abstract】 The Wenchuan large earthquake of 8.0 magnitude has shocked Sichuan Province and neighboring regions on May 12,2008,with nearly seventy thousands of lives lost and the whole country immersing in deep sorrow.Based on field survey and analysis of earthquake-induced geological hazards,the engineering geomechanics should be considered and used to play important roles in the relief and reconstruction after the earthquake.According to preliminary investigation into western mountainous areas of Anxian County,several kinds of geological hazards are recognized,mainly including bedding landslide,loose materials landslide,cliff collapses and rockfalls.The field investigations indicate that the geological structural planes in rock masses or geological masses may be important dominant factors for generation of geological hazards in the investigated area.For the reconstruction of the disastrous areas,some engineering geomechanical problems relevant to choices of reconstruction site,monitoring,prevention and remedy of geological hazards,and so on,should be considered.更多还原