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Understanding Slope Safety for a Safer Environment

Study the dangerous slopes near our school, learn about landslides, their impacts, and prevention measures. Engage through site visits, maps, internet research, and videos. Analyze the effects, responses, and maintenance strategies, balancing environmental and economic concerns.

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Understanding Slope Safety for a Safer Environment

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  1. Slope Safety and Us To stress the importance of the close relationship between earth science and man

  2. Focus of study: • Where are the dangerous slopes of our school? • When did landslide occur? • Why did slopes collapse? • How did landslide affect us? • What are the measures taken to prevent landslides?

  3. Ways of teaching: • Site visit • Map work and worksheet • Searching info on the internet • Weather map interpretation • Video show

  4. Where are the dangerous slopes of our school? • Background information: • Our school site • http://my.wyk.edu.hk/ • Field work • A map for locating the dangerous slope

  5. When did landslide occur? May 2 1989

  6. What are the causes of landslide? • Video show: Landslides in HK by Civil Engineering Dept • Weather Map

  7. How did landslide affect us? • Safety of students • Safety of school buildings • Traffic • Bus stop and sidewalk

  8. Man’s response to landslides: Short-term measures Long-term maintenance

  9. Short-term response Clearance of mud Plastic cover and temporary barrier Removal of bus stop

  10. Long-term measures Slope stabilization project When? Duration? How? Methods? Why are these methods adopted? How much? How did the slope repair work affect WYK boys?

  11. Limitations? Co-ordination among ED, CED and Building Dept Ownership – school vs. crown land A balance between environmental protection and economic consideration -costly retaining wall -much of the trees were removed

  12. How can you find out the dangerous slopes near your school? http://hkss.ced.gov.hk/hkss/eng/index.htm

  13. The End

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