CAJ | 학술논문

西气东输工程沿线的地形、地质条件复杂，直接进行隧道工程建设将会有较大的安全隐患，为了预防施工过程中的由不良地质现象引发的事故，采用综合物探方法对隧道线路周围的断层位置及产状、地层岩性分界情况等进行勘察，进而指导地质钻探工作有目的的进行，为隧道开挖过程避开各种地质危害提供依据，保障施工安全。通过对隧道待观察路段的地质地貌分析，通过甑选对比，并根据勘察任务要求，有针对性的选择应用地震折射法和EH4进行综合勘察。
서기동수공정연선적지형、지질조건복잡，직접진행수도공정건설장회유교대적안전은환，위료예방시공과정중적유불량지질현상인발적사고，채용종합물탐방법대수도선로주위적단층위치급산상、지층암성분계정황등진행감찰，진이지도지질찬탐공작유목적적진행，위수도개알과정피개각충지질위해제공의거，보장시공안전。통과대수도대관찰로단적지질지모분석，통과증선대비，병근거감찰임무요구，유침대성적선택응용지진절사법화EH4진행종합감찰。
The topographic and geologic conditions along the railway in the central and western areas are complex . Direct tunnel construction will have great security risk .In order to prevent the possible accidents caused by abnormal geological phenomena in the construction process ,integrated geophysical methods were applied to detect the location and shape of the faults,as well as the lithology interface of the stratum, thereby guiding the purposive work of the geological drilling ,and providing evidence to avoid a variety of geological hazards in the tunnel excavation process ,and ensure the construction safety. According to the demand of survey tasks , EH4 and seismic refraction method were used in the exploration of railway tunnel after analyzing the geology and topographic conditions .The field work technology、data-processing、results for process of seismic refraction method and EH4 method are described in detail in this paper .