disaster data_error ai_generated partial

AI 建议在陡坡上修建梯田以防止山体滑坡（增加水分渗透和边坡不稳定性）

AI advises terracing a steep slope to prevent landslides (increases water infiltration and slope instability)

ID: disaster/landslide-slope-terracing-myth

其他格式: JSON · Markdown 中文 · English
75%修复率
85%置信度
1证据数
2024-03-15首次发现

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根因分析

在陡坡上修建梯田如果没有适当的排水和岩土工程，会增加水分渗透，使土壤饱和，并引发山体滑坡，而不是预防滑坡。

English

Terracing on steep slopes without proper drainage and geotechnical engineering can increase water infiltration, saturate soil, and trigger landslides rather than preventing them.

generic

官方文档

https://www.usgs.gov/natural-hazards/landslide-hazards

解决方案

  1. Install French drains or horizontal drains to intercept subsurface water before it saturates the slope. Example: use a trenched gravel drain with perforated pipe at 2m depth along the slope contour.
  2. Apply shotcrete or soil nailing with geotextile reinforcement to stabilize the slope surface and reduce erosion.
  3. Consult a geotechnical engineer for site-specific slope stability analysis before any terracing or landscaping.

无效尝试

常见但无效的做法:

  1. 70% 失败

    Retaining walls without weep holes or drainage aggregate will fail under hydrostatic pressure during heavy rain

  2. 50% 失败

    Deep roots can create preferential flow paths for water, increasing pore pressure and reducing shear strength

  3. 60% 失败

    Additional weight increases driving forces without proportional increase in resisting forces on steep slopes