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受到纵向水流作用的土工建筑物的水下边坡,一般采用砌石护坡法予以加固。该法是往水中抛填石块,然后加以平整。该方法的不足之处是:石块耗量大、劳动强度高、施工期长、加固质量和可靠性较差。用石块自动堆砌法则可以消除这些不足之处。自动堆砌法的要点在于,在枯水期,往设计边坡上补充冲填土(砂)棱体并有高于水位的水平戗道。往戗道上抛堆用于护坡的材料。
The underwater slope of geotechnical structures subject to longitudinal flow is generally reinforced by the masonry slope protection method. The law is to throw stones in the water, and then to be smooth. The disadvantages of this method are: large amount of stone consumption, high labor intensity, long construction period, poor quality and reliability of reinforcement. Automatic stone stacking rules can eliminate these deficiencies. The key point of the automatic piling method is that during the dry season, the design slope is replenished with primed earth (sand) prisms and horizontal pylons above the water level. Throw the material used for slope protection on the road.