Practical Farm Drainage Why When And How to Tile Drain
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In our eReader you can find the full English version of the book. Read Practical Farm Drainage Why When And How to Tile Drain Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Practical Farm Drainage Why When And How to Tile Drain
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Di- viding the number of inches of fall by the number of hundred feet, we have 4 inches as the grade per 100 feet. If the drain is run on this grade it will then be as deep at the upper end as at the outlet. If we wish to have the drain 3 feet deep at the outlet, and only 2 feet 5 inches deep at the upper end, we shall have 7 inches more fall, which will be available to use in the grade of the drain, making a fall of 35 inches, or 5 inches per 100 feet. Again, supposing w r e wish to have the o...utlet only 2 feet deep, and the upper end 3 feet deep, the fall which can be used in the grade of the drain will then be decreased 12 inches, which leaves us only 16 inches total fall, or 2^ inches per 100 feet. Again, taking the same example, we have the same total fall in the whole distance, but there is a rise of ground somewhere between the outlet and the upper end, as may be seen in fig. 13, through which, if the drain were laid on a uniform grade, as noticed in the first examples, much deep digging would be required, which may be avoided by using two or more grades.
What to read after Practical Farm Drainage Why When And How to Tile Drain?
You can find similar books in the "Read Also" column, or choose other free books by C G Elliott to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Di- viding the number of inches of fall by the number of hundred feet, we have 4 inches as the grade per 100 feet. If the drain is run on this grade it will then be as deep at the upper end as at the outlet. If we wish to have the drain 3 feet deep at the outlet, and only 2 feet 5 inches deep at the upper end, we shall have 7 inches more fall, which will be available to use in the grade of the drain, making a fall of 35 inches, or 5 inches per 100 feet. Again, supposing w r e wish to have the o...utlet only 2 feet deep, and the upper end 3 feet deep, the fall which can be used in the grade of the drain will then be decreased 12 inches, which leaves us only 16 inches total fall, or 2^ inches per 100 feet. Again, taking the same example, we have the same total fall in the whole distance, but there is a rise of ground somewhere between the outlet and the upper end, as may be seen in fig. 13, through which, if the drain were laid on a uniform grade, as noticed in the first examples, much deep digging would be required, which may be avoided by using two or more grades.
What to read after Practical Farm Drainage Why When And How to Tile Drain?
You can find similar books in the "Read Also" column, or choose other free books by C G Elliott to read onlineMoreLess
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