US755956A - Method of constructing tunnels, shafts, or other excavations. - Google Patents
Method of constructing tunnels, shafts, or other excavations. Download PDFInfo
- Publication number
- US755956A US755956A US19144804A US1904191448A US755956A US 755956 A US755956 A US 755956A US 19144804 A US19144804 A US 19144804A US 1904191448 A US1904191448 A US 1904191448A US 755956 A US755956 A US 755956A
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- Prior art keywords
- freezing
- shield
- chamber
- excavating
- tunnel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/11—Improving or preserving soil or rock, e.g. preserving permafrost soil by thermal, electrical or electro-chemical means
- E02D3/115—Improving or preserving soil or rock, e.g. preserving permafrost soil by thermal, electrical or electro-chemical means by freezing
Definitions
- My invention relates to the method of con-v structing tunnels, shafts, or other excavations, and especially to tunnels or excavations in soft or yielding or water-bearing materials,
- the objects of my invention are to increase the safety, eciency, economy, and the speed of tunneling, submarine or subterranean. 'Ihese objects I attain by the use of the processes and devices illustrated in the accompanying drawings and ldescribed and claimed hereinafter.
- Figure 1 is a longitudinal sectional View of the heading of an excavation or horizontal tunnel under a river embodying my invention and applied as described in part in the patent to myself and E. L. Abbott, No. 417,288, of December 17, 1889.
- Fig. 2 represents a modification of my invention, in which I employ a pilot-tunnel, as described fully in my Patent No. 713,519, dated November 11, 1902.
- the method of excavating which consists in alternately freezing and excavating onincreasing radii, and advancing a shield through the material.
- the method of freezing the ground which consists in introducing a freezing medium under pressure into a closed chamber in the ma-' terial to be excavated, substantially as described.
- the method of excavating which consists in constructing a closed chamber in the material to be excavated, introducing therein a freezing medium under pressure, and excavating the frozen material, substantially as described.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
Y No. 755,956. PATBNTBB MAR.29,1994.
o. sooYsMITH. l r METHOD or coNsTRUcTING TUNNBLs, sHAFTs, oR OTHER BXGAVATIONS.
APPLICATION FILED FEB. 1. 190,4.
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A 77'0HNE Y No. 755,956. PATBNTED MAR. 29, 1904.
Y C. SOOYSMITH.
METHOD 0F GONSTRUGTING TUNNELS, SHAFTS, 0R uU"I"H"1:`.R BXGAVATIONS.
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UNITED STATES Patented Maren 29, 1904.
cHARLEs sooYsMiTH, or NEW YORK, N. Y.
METHOD OF CONSTRUCTING TUNNELS, SHAFTS, OR OTHER EXCAVATIONS.
SPECIFICATION forming part of Letters Patent No. 755,956, dated March 29, 1904.
Application filed February 1, 1904. Serial Ilo-191,448. (No model.)
To a/ZZ whom it may concern,.-
Be it known that I, CHARLES SooYsMrrH, a citizen of the United States, and a resident of New York, in the county of New York and State of New York, have invented certain new and useful Improvements in Methods of Constructing Tunnels, Shafts, or other Excavations, of whichthe following is a specification.V
My invention relates to the method of con-v structing tunnels, shafts, or other excavations, and especially to tunnels or excavations in soft or yielding or water-bearing materials,
and has more particular reference to those instances where the freezing method may be advantageously or necessarily employed.
The objects of my invention are to increase the safety, eciency, economy, and the speed of tunneling, submarine or subterranean. 'Ihese objects I attain by the use of the processes and devices illustrated in the accompanying drawings and ldescribed and claimed hereinafter.
In the drawings like characters of reference i refer to like parts throughout the respective views.
Figure 1 is a longitudinal sectional View of the heading of an excavation or horizontal tunnel under a river embodying my invention and applied as described in part in the patent to myself and E. L. Abbott, No. 417,288, of December 17, 1889. Fig. 2 represents a modification of my invention, in which I employ a pilot-tunnel, as described fully in my Patent No. 713,519, dated November 11, 1902.
In the figures, is the `material to be tunneled; a, the frozen material; c, the heading or apex of the excavation.
1 is the heading of the tunnel, sometimes called the working or preferably the freezing chamber; 2, a shield, such as is usually used for excavating and tunneling, modified so as to suit the peculiar conditions; 3, the cutting edges of the shield; 4, the walls of the completed tunnel-lining; 5, hydraulic or other jacks; 46, the orifice of the tube from which the freezing medium is directed against the apex; 7, the main pipe coveying the medium of cold through completed tunnel; 8, the iiexible pipe or hose connecting v7 with the pipe 11, passing through the shield.
9 is the main pipe carrying oif or exhausting the cold air or other medium of cold after ithas accomplished its function of freezing.
10 is a iose or other iiexible connection be- .tween 9 and the permanent pipe 12 in the shield.
InV previous methods of submarine excavation where compressed air, a shield, or freezing alone have been employed there have been the difficulties of expense, injury to workmen, and danger of collapse. My new invention guards against this latter danger, and prevents serious delay and injury to the tunnel itself should the collapse occur, as will be hereinafter explained.
In my Patent No. 417 ,288 I show a method of tunneling which 4provides for keeping the heading in a conical or approximately conical shape, and I have indicated the possible use at the apex of a small pipe to accomplish the freezing in advance of the apex. In my Patent No. 713,519 I have indicated a method of tunneling which contemplates the driving first of a pilot-tunnel by any means and using this as a refrigeration-chamber from which to solidify by freezing the surrounding material. These methods contemplate the presence in the chamber where the freezing is going on of men to do the excavating of the frozen material. These men would be sub- .ject to the danger of the collapse of the frozen wall in case they should excavate too near the limits of the same, so that it would become dangerously thin.
In this invention, broadly speaking, I construct afreezing-chamber and introduce freezing agents at the extreme advanced part, excavating as fast as the thickness of the frozen shell'permits with safety. In so doing I may construct my freezing-chamber'of a conical or substantially conical shape, gradually and suc-V cessively freezing and excavating from apex to rear until I have attained the required di ameter, or I may start a pilot-tunnel and freeze steadily until I have attained the required thickness of frozen shell and then excavate to the required diameter, or I may employ any suitable method utilizing a freezing-chamber in advance of the main tunnel. As soon as Ythe excavation has attained the desired diam- IOO eter I introduce an air or water tight shield 2, which may be of any suitable form and provided as usual with passages or air locks. (Not herein shown to avoid complicating the drawings.) This shield may be provided with cutting edges 3, as usual, and is advanced by any well-known means, as by hydraulic jacks 5. The particular construction of the shield itself not forming a part of this invention is not further particularly described. A pipe 7 is laid, preferably, to the point near the rear of the shield, where it may be connected, by means of a fiexible or movable device, such as a hose 8, to the pipe 11, passing through the shield. This pipe carries a freezing medium, such as very cold air or other freezing medium, which is preferably directed at the apex or heading c of the freezing chamber l. Thence owing back through this chamber it reduces the temperature therein to such a degree that the material adjacent is frozen and may then be excavated in various Ways that are well known in the art. The freezing medium is then or is continuously during the freezing exhausted through 12 10 9, in which l() is a flexible connection, as already described. If the freezing medium is a liquid, as brine, ammonia, &c., it is of course not permitted to issue from the pipe 11 into the chamber l, but is circulated, as is well understood, in a suitable manner in the pipes constituting the freezing system. The shield 2 is advanced in accordance with the progress of the freezing and work of excavation, and in addition to its other functions may be either used as a retreat or barrier in case of collapse of the frozen wall, or other leakage or asa barrier to confine the cold to the freezing-chamber, or it may be utilized in the usual way as a means of excavation with or withoutcompressed air, and as a bracing-wall to withstand any tendency of the frozen wall to collapse.
It is sometimes desired to apply an unusual amount of cold to the freezing-chamber and to maintain a pneumatic pressure to help resist the tendency to collapse, in which case it has been found advantageous to increase the density of the air in the chamber, the freezing being more affective and rapid in a dense atmosphere. This of course requires a higher pressurethan normal, and the pressure can be obtained by compressing the freezing medium itself when gaseous, and it should be noted that both the temperature and the pressure of the freezing medium can be regulated at will. If an accident occurs and the frozen shell of the freezing chamber collapses in whole or in part or any similar danger arises, the men working in the chamber can pass through the shield, closing the doors, and then the operation may be continued without serious interruption, by the shield and compressedair methods, and the recongealing of the surrounding material continued. Moreover, it is of advantage to operate the shield as aguide and form for the tunnel -lining which succeeds it, in connection with the freezing-chamber, and the cutting edges materially assist and coperate in the alinement, and in the excavation of the frozen shell of the freezingchamber. Moreover, I sometimes prefer to place and advance my shield within the tunnel-lining, constructing the latter outside of the shield.
I Wish it understood that I neither claim nor limit myself to a shield of any particular design or arrangement, since such features I consider details of construction o'f the shield, which may form the subject-matter of another application and-do not affect this invention, which is of a process in performing which I utilize certain instrumentalities in coperation and order, nor do I limit myself to any particular means or method of freezing or of excavating. I may freeze by circulating intensely cold air in contact with the exposed walls of the excavation, or I may confine liquid freezing agents in pipes, or otherwise near to, in contact with, or inserted in the walls, or I may utili-ze any other method of freezing. I may also excavate by thawing, boring, blasting, or any other desirable means.4
Moreover, I do not limit myself to a submarine tunnel nor to one lying in a horizontal plane; but
What I claim, and desire to protect by Letters Patent, is-
1. The method of tunneling which consists in constructing a freezing-chamber in the material to be excavated, freezing the surrounding material, advancing a shield in rear of the freezing-chamber, and completing the tunnellining, substantially as described.
2. The method of tunneling which consists in progressively freezing, excavating, advancinga shield, and constructing the tunnel, substantially as described.
3. The method of tunneling which consists in first freezing the ground; second, advancing a shield through the frozen material; third, completing the tunnel, substantially as described.
4. The method of excavating which consists in constructing a freezing-chamber in the material to be excavated, freezing the material, and advancing a shield, substantially as described.
5. The method of excavating which consists in progressively freezing the material to be excavated, and advancing a shield, substantially as described.
6. The method of excavating which consists in alternately freezing and excavating onincreasing radii, and advancing a shield through the material.
7. The method of excavating which consists in ma'king an excavation, progressively freezing the interior surface thereof, excavating from the rear, and advancingaprotective obstruction of the tunnel at its mouth, the freez- IOO IIO
IIS
ing being continued where the frozen earth is removed, substantially as described.
8. The method of excavating which consists in -making an excavation, then progressively freezing the interior surface thereof, excavating a portion of the frozen material, and advancing a shield, substantially as described.
9. The method of excavating a tunnel which consists in progressively freezing and excavating the ground 'and advancing a protective obstruction at the mouth of the tunnel, substantially as described.
10. The method of freezing the ground which consists in introducing a freezing medium under pressure into a closed chamber in the ma-' terial to be excavated, substantially as described.
l1. The method of excavating which consists in constructing a closed chamber in the material to be excavated, introducing therein a freezing medium under pressure, and excavating the frozen material, substantially as described.
12. The method of erecting a subterranean structure which consists in constructing a closed chamber in the ground, introducing therein a freezing medium under pressure, ex-I cavating the frozen material, and constructing the structure, substantially as described.
Signed at New York, in the county of New York and State of New York, this 22d day of January, A. D. 1904.
CHARLES SOOYSMITH.
Vitnesses:
JOSEPH S. RALNIK, W. S. THOMSON.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19144804A US755956A (en) | 1904-02-01 | 1904-02-01 | Method of constructing tunnels, shafts, or other excavations. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19144804A US755956A (en) | 1904-02-01 | 1904-02-01 | Method of constructing tunnels, shafts, or other excavations. |
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US755956A true US755956A (en) | 1904-03-29 |
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US19144804A Expired - Lifetime US755956A (en) | 1904-02-01 | 1904-02-01 | Method of constructing tunnels, shafts, or other excavations. |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3295328A (en) * | 1963-12-05 | 1967-01-03 | Phillips Petroleum Co | Reservoir for storage of volatile liquids and method of forming the same |
US3299643A (en) * | 1963-04-05 | 1967-01-24 | Mauclet Maurice | Sinking of shafts and galleries in sand and water-bearing ground |
US3365894A (en) * | 1966-03-09 | 1968-01-30 | Puerto Rico Testing Services I | Caisson construction |
-
1904
- 1904-02-01 US US19144804A patent/US755956A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3299643A (en) * | 1963-04-05 | 1967-01-24 | Mauclet Maurice | Sinking of shafts and galleries in sand and water-bearing ground |
US3295328A (en) * | 1963-12-05 | 1967-01-03 | Phillips Petroleum Co | Reservoir for storage of volatile liquids and method of forming the same |
US3365894A (en) * | 1966-03-09 | 1968-01-30 | Puerto Rico Testing Services I | Caisson construction |
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