Yumenhe reservoir is a counter reservoir in the Luohe River, and the geological condition of the dam is very complicated. Arch dam was recommended in the feasibility stage.

禹门河水库是洛河上的一座反调节水库，坝址地质条件较复杂，就拱坝与重力坝两种坝型而言各有优缺点。

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Method of prototype study of strain of dam foundation rock and results are presented; Effective modulus of elasticity of foundation rock is obtained by counter-deduction and the stress is calculated.

本文介绍了大坝基岩应变的原型研究方法和结果，同时反演出基岩的有效弹性模量，并计算了应力。

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