Water-power; an outline of the development and application of the energy of flowing water . - failin several ways: I. It may be overturned or shoved aside by the pressure. Fig. 3. of the water, for which reason the body of the dam must havea strength and solidity sufficient to resist the utmost pressurethat the water can against it. Often the stability of thedam is derived from the weight of the water itself (Fig. 3). 15 16 DAMS FOR WATER-POWER. The dam is inclined so that the pressure acts mainly down-ward. A wooden dam of this kind sometimes fails b} jam of ice, drift, or l
Water-power; an outline of the development and application of the energy of flowing water . - failin several ways: I. It may be overturned or shoved aside by the pressure. Fig. 3. of the water, for which reason the body of the dam must havea strength and solidity sufficient to resist the utmost pressurethat the water can against it. Often the stability of thedam is derived from the weight of the water itself (Fig. 3). 15 16 DAMS FOR WATER-POWER. The dam is inclined so that the pressure acts mainly down-ward. A wooden dam of this kind sometimes fails b} jam of ice, drift, or logs occurs in the stream, obliterating thefall. The force tending to hold the dam then wholly?disappears and it floats, or its tendency to float brings it intosuch disarrangement that it is destroyed when the jam dam under such conditions should never depend for itsstability wholly upon the pressure of the water. 2. A dam may leak so much as to wholly destroy orseriously impair its value. For this reason, every dam has apart specially applied with reference to stopping the may be a layer of planking, of stone laid in cementmortar, of mor
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthydraulicengineering
