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Slope Safety and Us

Slope Safety and Us. To stress the importance of the close relationship between earth science and man. Focus of study:. Where are the dangerous slopes of our school? When did landslide occur? Why did slopes collapse? How did landslide affect us?

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Slope Safety and Us

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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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