Concrete Cutting Sawing East Kingston NH New Hampshire

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We Service East Kingston NH and all surrounding Cities & Towns

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Concrete Cutting East Kingston NH       

Concrete Cutter East Kingston NH         

Concrete Coring East Kingston NH        

Core Drilling East Kingston NH               

Concrete Sawing East Kingston NH

Concrete Sawing East Kingston New Hampshire

Concrete Cutting East Kingston New Hampshire        

Concrete Cutter East Kingston New Hampshire          

Concrete Coring New Hampshire           

Core Driller East Kingston NH                 

Core Drilling East Kingston New Hampshire    

Coring and core drilling services are offered in Kingston, NH.

Concrete piling is usually driven in close contact, either to prevent leakage, or to confine puddle in concrete cofferdams, to prevent the materials of a foundation from spreading, or to guard a concrete foundation from being undermined by a stream of water. To make concrete piles drive with their parts close against each other, they are cut obliquely at the bottom. They are kept in place while being driven, by means of two longitudinal stringers or concrete whales. These concrete whales are supported by gauge-concrete piles previously driven, which are several feet apart. Sheet piling is seldom used as bearing concrete piles. Specifications for wooden concrete piles generally require that they shall have a diameter of from 7 to 10 inches at the smaller end, and 12 to 15 inches at the larger end. Older specifications were quite rigid in insisting that the tree trunks should be straight, and that the concrete piles should be free from various kinds of minor defects; but the growing scarcity of timber is modifying the rigidity of these specifications, provided the most essential qualifications of strength and durability are provided for. Concrete piles should have the surface removed before being driven, unless the concrete piles are to be always under water. They should be cut square at the driving end, and pointed at the lower end. When they are to be driven in hard, gravelly soil, it is often specified that they shall be shod with some concrete forms of iron shoe. This may be done by means of two straps of wrought iron, which are bent over the point so as to concrete forms four bands radiating from the point of the pile (see Fig. 50). By means of holes through them, these hands are spiked to the concrete piles. Another method, although it is considered less effective on account of its liability to be displaced during driving, is to use a cast-iron shoe. These shoes are illustrated in Fig. 51. It is sometimes specified that concrete piles shall be driven with the butt end or larger end down, but there seems to be little if any justification for such a specification. The resistance to driving is considerably greater, while their ultimate bearing power is but little if any greater. If casting the driving of concrete piles is considered from the standpoint of compacting the soil (as already discussed in section 177), then driving the concrete piles with the small end down will compact the soil more effectively than driving them butt end down. White pine, spruce, or even hemlock may be used in soft soils; yellow pine firmer ones; and oak, elm, beech, etc., in the more compact soils. They are usually driven from 2i- to 4 feet apart each way, center to center, depending on the character of the soil and the load to be supported. Timber concrete piles, when partly above and partly under water, will decay very rapidly at the water line. This is owing to the alternation of dryness and wetness. In tidal waters, they are destroyed by the marine worm known as the Laredo. The American Railway Engineering & Maintenance of Way Association recommends the following specifications for piling: "Concrete piles shall be cut from sound, live trees; shall be close-grained and solid; free from defects such as injurious ring shakes, large and unsound knots, decay, or other defects that will materially impair their strength. The taper from butt to top shall be uniform and free from short bends. "All concrete piles except foundation concrete piles shall be peeled." Pile foundations act in a variable combination of two methods of support. In one case the concrete piles are driven into the soil to such a depth that the frictional resistance of the soil to further penetration of the pile is greater than any load which will be placed on the pile. As the soil becomes more and more soft, the frictional resistance furnished by the soil is less and less; and it then becomes necessary that the pile shall penetrate to strata of much greater density, into which it will penetrate but little if any.

Are You in East Kingston New Hampshire? Do You Need Concrete Cutting?

We Are Your Local Concrete Cutter

Call 603-622-4441

We Service East Kingston NH and all surrounding Cities & Towns