US1140140A - Device used in the formation of jetties. - Google Patents

Device used in the formation of jetties. Download PDF

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Publication number
US1140140A
US1140140A US85697014A US1914856970A US1140140A US 1140140 A US1140140 A US 1140140A US 85697014 A US85697014 A US 85697014A US 1914856970 A US1914856970 A US 1914856970A US 1140140 A US1140140 A US 1140140A
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Prior art keywords
jetties
stream
skeleton
formation
jetty
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US85697014A
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Ernest E Everett
Daniel F Sheldon
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours

Definitions

  • WITNESSES A TOR/VEVS l"D STA PA NT OFFICE.
  • object of al1 of these types of jetties has been the to provide permanent obstacles alon h bed of the stream in order to retar flow of the stream at that particular point
  • Another object of the invention is to provide a device of the class described which will be extremely simple', durable, ellicient in operation and inexpensive to manufacture.
  • Fig. 2 represents a ⁇ sectional view taken through one ofthe skeleton yramids, on 'a plane parallel with and adjacent to one ofits sides, the Vview vindicating the manner in which the skeletons become anchored.
  • VIhre skeleton or obstacle is in the form of a tetrahedron, or open pyramid 'having three sides and a base, of ual dimensions.
  • the device is really in the orm of a skeleton of a tetrahedron, each one of the legsof of a solid tetrahe on.
  • the skeleton consists of a metallic framework about which concrete is molded to form the beams or legs.
  • each legof the device is in the form of a concrete beam 5 reinforced with metallic bars 6.- s
  • Each of the legs of the obstacle is polygonal in cross section. In the drawing they are indicated as being hexagonal in cross what would be one edge removabl section. However, we do not wish to limit the cross sectional conguration of the skeleton legs to any particular form.
  • the legs may be either solid in section or have a hol- ⁇ low core and may be with or without metallic reinforcement.
  • the skeletons are placed upon the bed of the stream in any arrangement desired, by the action of the current thesand or other material of which the stream bed is formed is gradually washed away from beneath the beams or legs of the obstacle forming the base thereof and which rests upon thestream bed. In this manner the skeletons gradually sink a suilicient distance to be thoroughly and iranchored in the stream bed. While this action is going von the .drift or other materials brought down by the stream engage against and'become entangled in the skeletqm'thus gradually building up a jetty to retard and eventually stop the flow of water in a particular direction, so that the stream will be confined to a certain and well defined channel at the points required.
  • a jetty comprising a lurality of skeleton frameworks ofa speci c gravity greater than that of water, said frameworks adapted to be disposed in rows in a stream bed in such manner as to settle under their own weight to a permanent anchorage upon washing away of the material below the frameworks, said frameworks being open on all sides and being unconnected with eachr other, and being artificially unanchored.
  • a jetty comprising a plurality of skeleton frameworks adapted to be disposed in rows in 'a stream bed in such manner as to settle under their own weight to a permanent anchorage upon washing away of the material beneath the frameworks, said frameworks being of a specific gravity greater than that of water and being open on all sides and being unconnected with each j other.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)

Description

E. E. EVERETT & D. F. SHELDON.
DEVICE USED IN THE FORMATION 0F JETTIES.
APPLICATION mso Aue.15. |914.
1,140,140. Patented May 18, 1915.
WITNESSES A TOR/VEVS l"D STA PA NT OFFICE.
ERNEST E. EVRETT AND DANIEL F. SHELDON, OF SAN BUENAVENTUR, CALIFORNIA.
DEVICE USED 1N THE romaariou or JETTIES.
specification of Letters ratent.
To all rwhom 'it may concern:
Be it known that We, ERNEST E. EvERE'rr and DANIEL F. SHELDON, residents of San Buenaventura, in the county of Ventura and State of California, have invented a new and useful Improvement in Devices Used in the Formation of Jetties, of which the j following is a specification.
.well defined structed sometimes longitudinally along the margin'of the desired channel or transversely across areas 'overown' by the streams, which areas it is desired to reclaim by confining the stream to a certain and jetties have generally been formed of 'woodexror concrete piles driven into the stream bed, and penetrating the sand or clay therein, to which piles, lines of barbed wire are attached which catch the drift in order to cause the deposit of silt and 'other detritus below and about the jetty.
Another method 'of construction of these jetties has been by use of timber boxes or `log cribs filled with rock. And still another method consists in placingv of bundles or bales of brush tied or woven into mattresses loaded with rock upon the stream bed. The
object of al1 of these types of jetties has been the to provide permanent obstacles alon h bed of the stream in order to retar flow of the stream at that particular point,
thus resulting in the deposit of silt and drift and other detritus u on and about the obstacles. The meth set forth have been found to be unsatisfactory. The objection to wooden piles is the dilliculty of driving to the desired depth and their buoyancy and tendency` to decay, a1 1d the objection to concrete piles is the Inltial cost and their instability unless driven into clay, which is either absentl in many streams or overlaid with detritus through which it is not practicable to drive them. The brush mattresses have failed to give the desired results in streams that become dry during the summer months because of decay. The same is true of the timber cribs.
It is the prlncipal object of our invention t0 provide a device which may be used as an channel. Heretofore these the device formi which will overcome the disadvantages accru` to the forms used in jetties described, and t ose of a similar nature. In order to do this we provide a device formed of permanent materials, a device which is adapted Patented May 18, 1915.
'element or unit in forming a, jetty, and y /to quickly become anchoredv in the stream bed under the erosive actionof the water without disintegration, a device, which may become displaced without li'mpairing the value of the jetty, and a device which will effectively check the liow of water suiiiciently, and insure the collection of drift and detritus upon and about the same.
Another object of the invention is to provide a device of the class described which will be extremely simple', durable, ellicient in operation and inexpensive to manufacture.
With these and other objects in View which will become apparent as the description proceeds, the invention resides in the construction, combination and arrangement of parts, into a frame work substantially in the form of a skeleton/pyramid to be applied as an elementv or unit in the formation of a jetty, hereinafter more fully described and claimed, and illustrated in the accompanying drawing, in which like characters of reference indicate like parts throughout the several figures, of whichv Figure 1 represents in perspective, a-jetty formed according to our invention. Fig. 2 represents a` sectional view taken through one ofthe skeleton yramids, on 'a plane parallel with and adjacent to one ofits sides, the Vview vindicating the manner in which the skeletons become anchored., Fig.
3 represents a transverse sectional view.
through one of the legs of the skeleton taken on the plane' indicated by the line 3 3 of;
VIhre skeleton or obstacle is in the form of a tetrahedron, or open pyramid 'having three sides and a base, of ual dimensions.
The device is really in the orm of a skeleton of a tetrahedron, each one of the legsof of a solid tetrahe on.
The skeleton consists of a metallic framework about which concrete is molded to form the beams or legs. Thus each legof the device is in the form of a concrete beam 5 reinforced with metallic bars 6.- s
Each of the legs of the obstacle is polygonal in cross section. In the drawing they are indicated as being hexagonal in cross what would be one edge removabl section. However, we do not wish to limit the cross sectional conguration of the skeleton legs to any particular form. The legs may be either solid in section or have a hol-` low core and may be with or without metallic reinforcement. l
As indicated in Fig. l the skeletons are placed upon the bed of the stream in any arrangement desired, by the action of the current thesand or other material of which the stream bed is formed is gradually washed away from beneath the beams or legs of the obstacle forming the base thereof and which rests upon thestream bed. In this manner the skeletons gradually sink a suilicient distance to be thoroughly and iranchored in the stream bed. While this action is going von the .drift or other materials brought down by the stream engage against and'become entangled in the skeletqm'thus gradually building up a jetty to retard and eventually stop the flow of water in a particular direction, so that the stream will be confined to a certain and well defined channel at the points required.
By reason of the configuration of the skeleton pyramid one of the sides or faces stable against over-turning.
will always act as a base and so insure obstruction to thev stream after being overturned by the action of the water, and be' j cause the center of vity is low, being fixed at one-quarter of the height ofthe pyramid, the latter will be found to be very maaien Although we have described the preferred embodiment of our invention, we may desire to make such changes in-the construc` tion, combination and arrangement of parts thereof as do not depart from the spirit of the invention and the scope of the appended claims.
We claim 1. A jetty comprising a lurality of skeleton frameworks ofa speci c gravity greater than that of water, said frameworks adapted to be disposed in rows in a stream bed in such manner as to settle under their own weight to a permanent anchorage upon washing away of the material below the frameworks, said frameworks being open on all sides and being unconnected with eachr other, and being artificially unanchored.
2. A jetty comprising a plurality of skeleton frameworks adapted to be disposed in rows in 'a stream bed in such manner as to settle under their own weight to a permanent anchorage upon washing away of the material beneath the frameworks, said frameworks being of a specific gravity greater than that of water and being open on all sides and being unconnected with each j other.
ERNEST E. EVERETT, DANlLElL l?. SHELDUN.
US85697014A 1914-08-15 1914-08-15 Device used in the formation of jetties. Expired - Lifetime US1140140A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835112A (en) * 1953-01-21 1958-05-20 Monnet Pierre Terrestrial or hydraulic construction constituted by apertured elements
US5015121A (en) * 1990-03-19 1991-05-14 Perret Gentil Hubert B Offshore erosion protection assembly
US6042300A (en) * 1998-12-29 2000-03-28 Walter; David M Concrete and tire artificial reef
US6824327B1 (en) * 2003-05-27 2004-11-30 David M. Walter Artifical barrier reef

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835112A (en) * 1953-01-21 1958-05-20 Monnet Pierre Terrestrial or hydraulic construction constituted by apertured elements
US5015121A (en) * 1990-03-19 1991-05-14 Perret Gentil Hubert B Offshore erosion protection assembly
US6042300A (en) * 1998-12-29 2000-03-28 Walter; David M Concrete and tire artificial reef
US6824327B1 (en) * 2003-05-27 2004-11-30 David M. Walter Artifical barrier reef

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