A landslide occurred on 22 March 2007 in Precinct 9, Putrajaya, Malaysia, burying 27 cars and forcing the evacuation of about 1,200 people. There are some slopes in Putrajaya area that need to be observed to ensure the safety value of the slope. This study was performed in order to ensure the safety of the slope in Precinct 20, Putrajaya, because the location of the slope is quite close to an area of apartments and housing. The main purpose of this slope evaluation comparison of the Anbalagan and SAS (Slope Assessment System) methods in Precinct 20, Putrajaya, is to find the effectiveness of the slope evaluation method and to observe the changes of the slopes in 2012. A slope and landslide inventory system is established to help the team responsible for enhancing the slope management in Putrajaya especially for future development. The five slopes in Precinct 20, Putrajaya, were visited to detect slope distress, which is the major potential of landslide. Aerial photos were collected and an airborne survey was carried out to provide basic information for the slope and landslide inventory as well as to produce a base map and spatial layers for the slope hazard analysis. Therefore, geological and geotechnical studies and observation were done at the chosen sites to compare the data results from the Anbalagan method and the SAS method to find out their effectiveness and relevant that is applicable to this area. The results show that the SAS and Anbalagan methods can be used to evaluate the same slope although these methods use different approaches. The parameters for the SAS method are more related to the geometry of the slope while the Anbalagan parameters are more related to geological factors.

中文翻译：

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马来西亚布城 20 区 Anbalagan 和 SAS 方法比较研究的斜坡管理调查

2007 年 3 月 22 日，马来西亚布城第 9 区发生山体滑坡，掩埋 27 辆汽车并迫使约 1,200 人撤离。Putrajaya地区有一些斜坡需要观察以确保斜坡的安全价值。进行这项研究是为了确保布城 20 区斜坡的安全，因为斜坡的位置非常靠近公寓和住宅区。此次比较 Anbalagan 和 SAS（Slope Assessment System）方法在 Precinct 20, Putrajaya 的主要目的是发现坡度评价方法的有效性并观察 2012 年坡度的变化。 一个斜坡和滑坡建立库存系统，以帮助负责加强布城斜坡管理的团队，特别是为未来的发展。对布城 20 区的五个斜坡进行了考察，以检测斜坡窘迫，这是山体滑坡的主要潜力。收集航拍照片并进行空中调查，为斜坡和滑坡清单提供基本信息，并为斜坡危害分析生成底图和空间层。因此，在选定的地点进行了地质和岩土工程研究和观察，以比较 Anbalagan 方法和 SAS 方法的数据结果，以找出它们适用于该地区的有效性和相关性。结果表明，SAS 和 Anbalagan 方法可用于评估相同的斜率，尽管这些方法使用不同的方法。