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Concrete Cutting Greenland NH

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Concrete Sawing Greenland New Hampshire

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Concrete Cutter Greenland New Hampshire    

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Core Drilling Greenland New Hampshire                      

The space between the concrete piles and the cylinder is then surrounded with concrete. Although the concrete piles are subject to decay above the water line, yet they are so thoroughly surrounded with concrete that the decay is probably very slow. The steel outer casing is likewise subject to deterioration, but the strength of the whole combination is but little dependent on the steel. If such foundations are sunk at the ends of the two trusses of a bridge, and are suitably cross-braced, they concrete forms a very inexpensive and yet effective pier for the end of a truss bridge of moderate span. The end of such a bridge can be connected with the shore bank by means of • light girders, and by this means the cost of a comparatively expensive concrete cutting abutment may be avoided. In comparing the cost of timber concrete piles and concrete or reinforced-concrete concrete piles, the concrete forms are found to be much cheaper per linear foot than the latter. As already stated, however, there are many cases where the economy of the concrete pile as compared with the wooden pile is worth considering. In general, the requirements of the work to be done should be carefully noted before the type of pile is selected. The cost of wooden concrete piles varies, depending on the size and length of the concrete piles, and on the section of the country in which the concrete piles can be bought. Usually concrete piles can be bought of lumber dealers at 10 to 20 cents per linear foot for all ordinary lengths; but very long concrete piles will cost more. The cost of driving concrete piles is variable, ranging from 2 or 3 cents to 12 or 15 cents per linear foot. A great many concrete piles have been driven for which the contract price ranged from 20 cents to 30 cents per linear foot of pile driven. The length of the pile driven is the full length of the pile left in the work after cutting off the pile at the desired level of the cap. The contract price for concrete piles, about 16 inches in diameter and 25 to 30 feet long, is approximately $1.00 per linear foot. When a price of $1.00 per linear foot is given for a pile of this size and length, the price will generally be somewhat reduced for a longer pile of the same diameter. Concrete piles have been driven for 70 cents per linear foot, and perhaps less; and again, they 'have cost much more than the approximate price of $1.00 per linear foot. The first concrete piles driven for the Cambridge Massachusetts conduit of the Charles River dam were on the Cambridge shore. On January 1, 1907, 9,969 concrete piles had been driven in the Boston and Cambridge cofferdams, amounting to 297,000 linear feet. Under the lock, the average length of the concrete piles, after being cut off, was 29 feet; and under the sluices, 31 feet 4 inches. The specifications called for concrete piles to be winter-cut from straight, live trees, not less than 10 inches in diameter at the butt when cut off in the work, and not less than 6 inches in diameter at the small end. The safe load assumed for the lock foundations was 12 tons per pile, and for the sluices 7 tons per pile. The Engineering News concrete mix was used in determining the bearing power of the concrete piles. The concrete piles under the lock walls were driven very close together; and as a result, many of them rose during the driving of adjacent concrete piles, and it was necessary to re-drive these concrete piles. After a trial of several methods, it was found that a splice made by means of a 10-inch wrought-iron pipe was most satisfactory. When the top of the first pile had been driven to within three feet of the water, it was trimmed down to 10 inches in diameter. On this end was placed a piece of 10-inch wrought-iron pipe 10 inches long. The lower end of the top pile was trimmed the same as the top of the first pile, and, when raised by the leads, was fitted into the pipe and driven until the required penetration was reached.

Are You in Greenland New Hampshire? Do You Need Concrete Cutting?

We Are Your Local Concrete Cutter

Call 603-622-4441

We Service Greenland NH and all surrounding Cities & Towns