US850044A - Interlocking metal sheet-piling. - Google Patents

Interlocking metal sheet-piling. Download PDF

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US850044A
US850044A US35686007A US1907356860A US850044A US 850044 A US850044 A US 850044A US 35686007 A US35686007 A US 35686007A US 1907356860 A US1907356860 A US 1907356860A US 850044 A US850044 A US 850044A
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flanges
channel
bars
piling
bar
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US35686007A
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George E Nye
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GUSTAVUS A KREIS
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GUSTAVUS A KREIS
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02Sheet piles or sheet pile bulkheads
    • E02D5/03Prefabricated parts, e.g. composite sheet piles
    • E02D5/04Prefabricated parts, e.g. composite sheet piles made of steel

Description

No. 850,044. 1 PATENTED APR. 9, 1907.
' G. B. NYE.
. INTERLOGKING METAL SHEET/(FILING;
APPLICATION FILED FEB. 11, 1907."
iinrrnn STATES PATENT oriuon.
GEORGE E. NYE, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO GUSTAVUS A. KREIS, OF CHICAGO, ILLINOIS.
INTERLOCKING METAL SHEET-FILING.
Specification of Letters Patent.
Patented April 9, 1907.
Application filed February 11, 1907- Serial No. 356,860.
To all whom it may concern:
Be it known that I, GEORGE E. NYE. a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Iniprovements in Interlocking Metal Sheet-Piling and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to a novel construction in interlocking metal sheet-piling, the object being to provide piling of this character possessing requisite strength and the component parts of which are easily produced by rolls and assembled, and consists in the features of construction and combinations of parts hereinafter fully described and claimed.
In the accompanying drawings, illustrating my invention, Figures 1, 2, and 3 are views in end elevation of sheet-piling constructed in accordance with my invention.
In the construction of interlocking sheetpiling it is essential that simplicity of form of the component elements be adhered to and that such component elements be capable of being produced by the same process as structural iron of standard shapes and sizes. It is also essential that such elements shall be capable of being assembled with the greatest possible ease, so as to maintain the cost of labor and material (such as bolts and rivets) for assembling at a minimum.
It is further essential that the assembled elements composing the units reinforce each other to the greatest possible extent to pre vent distortion thereof by the strains to which the same are ordinarily subjected and that such reinforcement be eflected with the least increase in weight in proportion to the added strength imparted.
My present piling conforms to all of the above requirements and comprises units consisting of two channel-bars A and B each, the channel-bar A being of substantially standard shape and of greater width than the channel-bar B, the latter being disposed within said channel-bar A and having the outer face of its web disposed in contact with the inner face of the web of said bar A. The free ends of the flanges of said channel-bar B are bent over outwardly at their free ends to form flanges C. The said channel-bars A and B are of such relative Width that free spaces I) are provided between the outer faces of the flanges of said channel-bar B and the inner faces of the flanges of said channel-bar A, said spaces conforming in shape with but being slightlylarger than and adapted to receive the flanges of adjacent oppositely-disposed channel-bars A. The flanges O at the free ends of the flanges of the channel-bars B overhang said spaces D and are adapted to engage the outer faces of the webs of said adjacent oppositely-disposed channel-bars A, the distance of the lower overhanging faces of said flanges C from the bottoms of said spaces or recesses D being slightly greater t 1an the distance from the free ends of the flanges of said channel-bars A to the outer faces of the Webs thereof, thus allowing considerable play to said last-named flanges in the said spaces or recesses D.
I desire to direct particular attention to the fact that the said flanges C are relatively short and do not overhang the flanges of the channel-bar A, constituting the outer walls of said recesses D, as this constitutes an important feature of this invention. The said channel-bars A and B are secured together by suitable fastening devices, such as the bolts E, passing through the webs thereof, and when so secured to form a unit the latter has a web of double thickness and four flanges which renders it exceedingly stiff.
In my said drawings I have shown the flanges of the channel-bars A relatively thick at their bases and of relatively small depth in proportion to the width of the channels. It is not essential that said flanges should be of the usual depth, as the mutual reinforcement of said channels A and B renders the unit sufliciently stiff, even though said flanges are reduced in depth. I contemplate, therefore, to roll said channels A to retain all of the usual dimensions thereof except as to depth of flanges. This in turn will enable me to employ channel-bars B having flanges of standard depth and having their free ends bent over outwardly to form said short flanges O. Thus the total depth of the unit is not greater than the depth of a standard channel-bar and its weight maintained at a minimum. The sole object of the said flange O is to prevent lateral separation of the interlocked units. The said channel-bars A may conform in shape with those shown in Let ters Patent No. 832,407, granted to me October 2, 1906, the same being provided on the outer faces of their webs with ribs F, disposed parallel with and adjacent the side edges of said channel-bars. The said ribs serve to stiffen the unit to a large extent without materially increasing its Weight. Such. ribs are not essential and may, as shown in Figs. 2 and 3, be omitted without materially affecting the merits of the structure, the channelbars G of the units shown in said Figs. 2 and 3 being devoid of said ribs. Units thus constructed may be interlocked with each other, as shown in Figs. 1 and 2, or they may be alternated and interlocked with channel-bars H corresponding with the channel-bars G, as shown in Fig. 3.
I am aware that units having similarlyshaped recesses in their sides have been previously constructed and patented, as evidenced by Patents Nos. 734,314, 730,755, 500,780, 794,268, 744,847, 725,608, 744,861, 751,469, and 805,533; but in all except No. 500,780 this has been accomplished by securing within one channel-bar or its substantial equivalent one or two 2 -b ars, each having one flange overhanging a flange of the channelbar. In No. 500,780 the same result is obtained in a slightly-different manner, but which is the substantial e uivalent of the 2'- bar construction, except that it is more expensive and stronger.
My construction presents many advantages over the patented structures in the following particulars:
First. To secure two Z-bars to a channelbar requires the use of a far larger number of bolts or rivets than the coupling of two channel-bars, as above described, thus increasing cost of construction.
Second. That while such Z-bars serve to stiffen the channel-bar to some extent they leave the same weak at its middle portion and increase the weight to substantially the same extent that I do in my present construction.
Third. That the overhanging flanges of the Z-bars contain a great deal of surplus metal which is of no use whatever either'in stiffening the structure or improving the interlocking means and that such surplus metal is a source of weakness in that it aflords a point far distant from the fastening means upon which the interlocked channel-bar exerts strain in the event of relative torsional movement of the channels or units. In my construction this surplus metal is, so to speak, transferred to a point where it is needed.
Fourth. That in driving sheet-piling the greatest pressure is exerted laterally against the next adjacent already-driven unit and that such pressure is frequently excessive, and so distorts the light Z-bars as to open the mouths of the L-shaped recesses and destroys the effectiveness of the piling. As each Z-bar is independent of the other on the same channel, it must alone bear the strains, and the shape of such Z-bars is such as to render them relatively weak. present construction the strains are disposed over the entire width of the channel-bar B, and as the flanges of the latter are thicker at their bases than at their free ends they will not yield.
Fifth. That in driving the units, especially where the same are of great length, the double-thick web is of the utmost importance in preventing distortion of such web.
In all respects my said piling presents advantages of importance over other known forms of interlocking sheet-piling.
Units of great length may be constructed by disposin a number of shorter lengths of said channels A and B or B and G in staggered relation so as to break joint with each other, and units so constructed would not be materially weaker than if made of full length and channels.
I claim as my invention- 1. In interlocking sheet-piling, a unit comprising two channel-bars of different widths, the smaller being secured within the larger and having the outer face of its web disposed in contact with the inner face of the web of the larger, there being free spaces between the outer faces of the flanges of the inner channel-b ar and the inner faces of the flanges of the outer, and short flanges on the free ends of the flanges of said inner channel-bar overhanging said recesses, said overhanging flanges being of less depth than the greatest width of said free spaces, the latter being adapted to receive the flanges of adjacent channel-bars.
2. In interlocking sheet-piling, a unit comprising two channel-bars of different widths, the smaller being secured within the larger and having the outer face of its web disposed in contact with the inner face of the web of the larger, there being free spaces between the outer faces of the flanges of the inner channel-bar and the inner faces of the flanges of the outer, and short flanges on the free ends of the flanges of said inner channel-bar overhangin said recesses, said flanges of said chann-bars being thicker at their bases than at their free ends, and said overhanging flanges being of less depth than the greatest width of said free spaces, the latter being larger than and adapted to receive the flanges of adjacent channel-bars.
3. In interlocking sheet-piling, a unit comprising two channel-bars of different widths, the smaller being secured within the larger and having the outer face of its web disposed in contact with the inner face of the web of the larger, there being free spaces between the outer faces of the flanges of the inner channel-bar and the inner faces of the flanges In my of the outer, and short flanges on the free ends of the flanges of said inner channel-bar overhanging said recesses, said flanges of said channel-bars being thicker at their bases than at their free ends, and said overhanging flanges being of less depth than the greatest Width of said free spaces, the latter being larger than and adapted to receive the flanges of adjacent channel-b ars, and ribs on 1 o the outerfaces of the Webs of said outer chan- In testimony whereof I have signed my.
name in presence of two subscribing Witnesses.
GEORGE E. NYE.
Witnesses:
RUDOLPH WM. LoTz, ARTHUR G. Lo'rz.
US35686007A 1907-02-11 1907-02-11 Interlocking metal sheet-piling. Expired - Lifetime US850044A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE871726C (en) * 1943-03-07 1953-03-26 Hoerder Huettenunion Ag Tensile sheet pile wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE871726C (en) * 1943-03-07 1953-03-26 Hoerder Huettenunion Ag Tensile sheet pile wall

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