新加坡降雨引发的山体滑坡

IF 0.3 Q4 ENGINEERING, GEOLOGICAL

Geotechnical Engineering Pub Date : 2001-10-01 DOI:10.1680/GENG.149.4.211.48654

D. Toll

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引用次数: 37

摘要

新加坡岛上经常发生轻微的浅层滑坡。然而，很少有大型山体滑坡(高度超过10米)发生。沉积裕廊组和花岗质武吉知马组的边坡破坏主要发生在坡度大于或等于27度的斜坡上。很明显，降雨是新加坡山体滑坡的主要触发因素。对过去滑坡事件的观测表明，6天内的总降雨量为100毫米，足以发生小型滑坡。大型滑坡的等效条件似乎是16天内320毫米，但这是基于非常有限的数据。(一)

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RAINFALL-INDUCED LANDSLIDES IN SINGAPORE

Minor, shallow landslides have occurred frequently on the island of Singapore. However, very few major landslides (greater than 10 m in height) have occurred. Slope failures in the sedimentary Jurong and granitic Bukit Timah formations have occurred largely on slopes with angles greater than or equal to 27 degrees. It is clear that rainfall has been the dominant triggering event for landslides in Singapore. Observations of past landslide events suggest that a total rainfall of 100 mm within a six-day period is sufficient for minor landslides to take place. The equivalent condition for major landslides would appear to be 320 mm within 16 days but this is based on very limited data. (A)

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来源期刊

Geotechnical Engineering ENGINEERING, GEOLOGICAL-

CiteScore

0.50

自引率

0.00%

发文量

期刊介绍： The objectives of the Association shall be the promotion of co-operation among geotechnical societies in SE Asia; and the assistance to member societies who have limited number of members. Now there is only one combined web titled: AGSSEA-SEAGS. SEAGS & AGSSEA encourage the submission of scholarly and practice-oriented articles to its journal. The journal is published quarterly. Both sponsors of the journal, the Southeast Asian Geotechnical Society and the Association of Geotechnical Societies in Southeast Asia, promote the ideals and goals of the International Society of Soil Mechanics and Geotechhnical Engineering in fostering communications, developing insights and enabling the advancement of the geotechnical engineering discipline.