Results indicate that the combination support of side slope of deep foundation pit is a safe, economic and effective support method under complicated geological and environmental conditions.

支护结果表明，深基坑边坡联合支护是处理复杂地质条件和环境条件的安全、经济、有效的支护方法。

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The origin of the hazard is the disordered mining of coal pits along a river, and geological and environmental factors are the necessary conditions of the hazard.

沿河小煤窑的无序开采是这种地质灾害产生的根源，而地质及环境因素是灾害产生的必要条件。

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Aiming at the complexity and the uncertainty of optimal selection of landslide treatment scheme, taking the geological data, execution conditions, engineering economy, environmental influence and etc.

针对滑坡治理方案优化选择的复杂性及不确定性，充分考虑地质资料、施工条件、工程经济及环境影响等综合因素，构造多目标优选模型。

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