US1910594A - System for constructing pipe - Google Patents
System for constructing pipe Download PDFInfo
- Publication number
- US1910594A US1910594A US362607A US36260729A US1910594A US 1910594 A US1910594 A US 1910594A US 362607 A US362607 A US 362607A US 36260729 A US36260729 A US 36260729A US 1910594 A US1910594 A US 1910594A
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- Prior art keywords
- pipe
- mix
- concrete
- skeleton
- sloppy
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/038—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being made in situ
Definitions
- This invention relates to asystem for constructing pipe of concrete or .other plastic material, and more especially the non-corrod- I ible composite pipe described in my pending application for U. S. patent, Serial No. 255,- 676, though it is not knecessarily limited thereto.
- the principal objects of the invention are: w
- high grade reinforced concrete pipe has been manufactured at s ome definite factory point, and shipped to the j ob in sections of convenient length.
- a pipe line built of pre-formed sections Y must necessarily have these sections joined 3U to one another in the field long after the sections themselves vhave been manufactured, which results inA less perfect joints than where both sections and joints' are built at practi- ⁇ cally the samel time.
- the transportation rate on the raw nmaterial for forming the pipe in the-field is considerably less than the rate on the finished pipe, and moreover, the actual ycost of transportation of the raw material to the iield site 40 is often no greaterthan to ship the same raw material to the factory. This results in a clear-saving of transportation charges on the finished product v
- the present invention Ahas to do particularlyv with the construction of the composite pipe for which I have made'application for U. S. patent filed Feb. 20, 1928, Serial No. 255,67 6, although not restricted thereto.
- the composite pipe described in said application for patent consists of a lining of up to standard proportions, does not in any non-corrodible material such as vitrified sew- Y er pipe or glass, around which is builta reinforced shell or jacket ofconcrete or like material, applied in a plastic state to the outside of the lining. 55
- plastic concrete in the form of what is termed as a sloppy mix that is tosay, a mixture containing an excess of water, is poured into the trench and is readily made to fill the space in thetrench below the lining.
- This complete filling is accomplished in the final degree by poking with light rods through the interstices of the reinforcing, and at the same time adding suiiicient cement to the previously poured sloppy mix, so as to bring the proportion of cement up to the standard mixture required.
- Fig. 1 represents a longitudinal vertical 9,. center section showing the pipe in various stages of construction
- Fig. 2 a cross-,section on line 2, Fig'. 1, showing what may be called the skeleton;
- Fig. 3 the same as Fig. 2, with the exception that a cylinder of wire mesh reinforcing has been added and placed in a preliminary position; y
- Fig. 4 a cross-section on line 4, Fig. l, showing the wire mesh cylinder in its proper position;
- Fig. 6 the same after having added cement in the required proportions to the sloppy mix; and Y I Fig. 7, a section showing the finished pipe before removal of the forms, the section being taken on line 7, Fig. l.
- the first step in the constructionl of the pipe is to assemblea skeleton length.
- a skeleton length may consist of a plurality of pieces of vitriiied clay or glass pipe, designated by numerals -3, 20-4, 20-5 and 20-6 in Fig. l, these lengths being coupled to one another by means of the metallic sleeves 2l.
- the sleeves 21 have the lugs 24, which carry the longitudinal reinforcing rods 25.
- Around the rods 25 may be wrapped transverse reinforcing 27, consisting of heavy wire or light rods, as fully shown and explained in previously mentioned application lfor Il. S. patent, Serial No. 255,676.
- Skeleton lengths of pipe thus constituted may be assembled and distributed along the trench in which-the finished pipe is to rest. i
- forms consisting preferably of longitudinal boards and 6l, held angularly together by straps 62 of hinges 63, the hinges being spaced apart longitudinally.
- Other boards 64 and 65 may be similarly held by the other angular straps 67 of the hinges.
- the forms, including two such groups of boards, are placed in the trench as shown in Fig. 2, and if the soil in which the trench is dug, has not naturally a sand or gravel bottom, then a layer 68 of sand or gravel may be spread in the bottom of the trench to the depth. of, say, about two inches.
- I-Ialf annular collar boards 69 support both ends of the skeleton length of the form boards, the collars being placed between the two groups of longitudinal boards, as indicated in Fig. 2, and the skeleton pipe laid in the collars.
- the metal netting reinforcing 70 is now placed around the pipe skeleton in the manner about to be explained.
- the netting comes in rolls and therefore is curved so that pieces cut from the roll naturally form cylinders.
- Each piece of netting is brought around the skeleton, and its cut ends, forming fingers, are brought together so as to interlock, as indicated at 7l, Fig. 3. It is convenient to interlock and tie the netting in approximately the posit-ion shown in Fig. 3.
- After interlocking and fastening the netting in the form of a cylinder it is rotated through approximately a half turn, until the interlocked ends rest on the bottom of the trench.
- the projecting lingers of the netting are of suc-h dimensions as to support the netting cylinders in a properly spaced annular position with reference to the skeleton. Everything is now ready for pouring the concrete.
- the pouring is done by making a sloppy mix and pouring it to approximately the depth indicated in Fig. 5.
- ramming rods may be introduced through the interstices of the wire netting 70, as indicated by the dotted lines 72, the rods being poked down into the sloppy mix so as to force the latter Well under and around the lining, to thoroughly lill all voids.
- a mixture of cement and preferably sharp plastering sand in the proportion of about one part cement to one and one-half parts sand, is added to the sloppy mix, and the poking continued until finally a. well balanced concrete of the desired consistency is reached.
- the upper parts of the molds are then swung into place and concrete of the usual standardmix is poured, resulting in the finished pipe, as indicated in Fig. 7.
- sloppy mix I means a mixture of plastic concrete having an excessive Water-ratio.
- the excessive water-ratio is reduced after pouring the excessive water-ratio mixture, by bringing the Water-ratio down to substantially a predetermined normal figure.
- a method of constructing pipe consisting in building a skeleton length, placing said skeleton length in a trench yand spaced ⁇ apart from the bottom thereof, pouring a sloppy plastic mix into said trench and under said skeleton length, bringing said plastlc mix up to predetermined standard consistency by adding comparatively dry concrete ingredients to said plastic mix .after it is so poured, and completing said pipe by pouring a plastic mix of substantially standard proportions of ingredients around the remaining portion of the skeleton.
- Amethod of constructing pipe consisting in placing a skeleton, placing a Wire mesh reinforcing around said skeleton, forming a longitudinal joint in said Wire mesh reinforcing by bringing tWo ends thereof together in a position above said skeleton, turning the Wire mesh reinforcing around the skeleton until said joint comes to the bottom,
- a system for constructing pipe consisting in placing a vitrilied clay or glass lining' in a desired position, pouring plastic concrete having a high Water-ratio partially around said lining, changing the composition of said plastic concrete by adding com- 40 paratively dry concrete ingredients thereto, thus reducing the Water-ratio to substantially a predetermined amount, and completing the pipe by pouring plastic concrete of substantially standard composition around remain- .:15 ing portions of said lining.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Description
May 23, 1933. T. DELA MARE SYSTEM FOR CONSTRCTING PIPE Filed May 1s, 1929 PatentedV May 23, 1933 'rHoMAs DE LA MARE, oF sAL'r' LAKE CITY, UTAH rSZ'SIIEIlII FOR CONSTRUCTING PIPE Application led May 13, 1929. Serial No. 362,607.
This invention relates to asystem for constructing pipe of concrete or .other plastic material, and more especially the non-corrod- I ible composite pipe described in my pending application for U. S. patent, Serial No. 255,- 676, though it is not knecessarily limited thereto. The principal objects of the invention are: w
F'rstf-To produce a pipe of high quality 19 for conducting liquids or gases. v
Sec ma`.-AV pipe which shall be strong and durable.
Thrcl-0ne that can be produced at\ a v comparatively low cost.
Fourth-A system by the use of which the pipe, may be expeditiously produced in the field.
Heretofore it has not been possible'to construct a reinforced concrete pipe of good 211' quality in the field. As a consequence, all
high grade reinforced concrete pipe has been manufactured at s ome definite factory point, and shipped to the j ob in sections of convenient length.
Concrete pipe is naturally of considerable weight, s'o transportation charges from the factory to the job are necessarily high.
A pipe line built of pre-formed sections Y must necessarily have these sections joined 3U to one another in the field long after the sections themselves vhave been manufactured, which results inA less perfect joints than where both sections and joints' are built at practi-` cally the samel time.'
The transportation rate on the raw nmaterial for forming the pipe in the-fieldis considerably less than the rate on the finished pipe, and moreover, the actual ycost of transportation of the raw material to the iield site 40 is often no greaterthan to ship the same raw material to the factory. This results in a clear-saving of transportation charges on the finished product vThe present invention Ahas to do particularlyv with the construction of the composite pipe for which I have made'application for U. S. patent filed Feb. 20, 1928, Serial No. 255,67 6, although not restricted thereto.
The composite pipe described in said application for patent consists of a lining of up to standard proportions, does not in any non-corrodible material such as vitrified sew- Y er pipe or glass, around which is builta reinforced shell or jacket ofconcrete or like material, applied in a plastic state to the outside of the lining. 55
Heretofore it has been impossible to successfully surround'the lining with a jacket of plastic concrete in the trench, owing to the difliculty of placing the concrete in the tunnel under the lining. The stiffness of a proper mix of the plastic concrete prevents the concrete from completely lling the space under the lining.y Especially is this the case when steel reinforcing in the form of rods and netting around the lining, is used.
In my improved system, after the lining is properly placed in the trench and surrounded by the steel reinforcing, plastic concrete in the form of what is termed as a sloppy mix, that is tosay, a mixture containing an excess of water, is poured into the trench and is readily made to fill the space in thetrench below the lining. This complete filling is accomplished in the final degree by poking with light rods through the interstices of the reinforcing, and at the same time adding suiiicient cement to the previously poured sloppy mix, so as to bring the proportion of cement up to the standard mixture required.
Contrary to usually accepted notions of many-engineers, I have found that pouring a sloppy mix, and immediately adding cement in sufficient quantities to bring the mix way impair the quality or strength of the 5 resulting finished product.
The features of this invention, for which the protection of Letters Patent of the United States is desired, are collectively grouped in the claims concluding this specification.
In the drawing, which illustrates one type of apparatus used in the practice of my improved system.
Fig. 1 represents a longitudinal vertical 9,. center section showing the pipe in various stages of construction;
Fig. 2, a cross-,section on line 2, Fig'. 1, showing what may be called the skeleton;
Fig. 3, the same as Fig. 2, with the exception that a cylinder of wire mesh reinforcing has been added and placed in a preliminary position; y
Fig. 4, a cross-section on line 4, Fig. l, showing the wire mesh cylinder in its proper position;
Fig. 5, the saine as Fig. 4;, with the exception that plastic concrete in the nature of a sloppy mix is represented. as having been poured;
Fig. 6, the same after having added cement in the required proportions to the sloppy mix; and Y I Fig. 7, a section showing the finished pipe before removal of the forms, the section being taken on line 7, Fig. l.
Referring to the drawing, the first step in the constructionl of the pipe, is to assemblea skeleton length. Such a skeleton length may consist of a plurality of pieces of vitriiied clay or glass pipe, designated by numerals -3, 20-4, 20-5 and 20-6 in Fig. l, these lengths being coupled to one another by means of the metallic sleeves 2l. The sleeves 21 have the lugs 24, which carry the longitudinal reinforcing rods 25. Around the rods 25 may be wrapped transverse reinforcing 27, consisting of heavy wire or light rods, as fully shown and explained in previously mentioned application lfor Il. S. patent, Serial No. 255,676. Skeleton lengths of pipe thus constituted, may be assembled and distributed along the trench in which-the finished pipe is to rest. i
After the trench is dug, forms are provided consisting preferably of longitudinal boards and 6l, held angularly together by straps 62 of hinges 63, the hinges being spaced apart longitudinally. Other boards 64 and 65 may be similarly held by the other angular straps 67 of the hinges. The forms, including two such groups of boards, are placed in the trench as shown in Fig. 2, and if the soil in which the trench is dug, has not naturally a sand or gravel bottom, then a layer 68 of sand or gravel may be spread in the bottom of the trench to the depth. of, say, about two inches.
I-Ialf annular collar boards 69 support both ends of the skeleton length of the form boards, the collars being placed between the two groups of longitudinal boards, as indicated in Fig. 2, and the skeleton pipe laid in the collars.
The metal netting reinforcing 70 is now placed around the pipe skeleton in the manner about to be explained. The netting comes in rolls and therefore is curved so that pieces cut from the roll naturally form cylinders. Each piece of netting is brought around the skeleton, and its cut ends, forming fingers, are brought together so as to interlock, as indicated at 7l, Fig. 3. It is convenient to interlock and tie the netting in approximately the posit-ion shown in Fig. 3. After interlocking and fastening the netting in the form of a cylinder, it is rotated through approximately a half turn, until the interlocked ends rest on the bottom of the trench. The projecting lingers of the netting are of suc-h dimensions as to support the netting cylinders in a properly spaced annular position with reference to the skeleton. Everything is now ready for pouring the concrete.
The pouring is done by making a sloppy mix and pouring it to approximately the depth indicated in Fig. 5. Immediately after the sloppy mix is poured, ramming rods may be introduced through the interstices of the wire netting 70, as indicated by the dotted lines 72, the rods being poked down into the sloppy mix so as to force the latter Well under and around the lining, to thoroughly lill all voids. At the same time, a mixture of cement and preferably sharp plastering sand in the proportion of about one part cement to one and one-half parts sand, is added to the sloppy mix, and the poking continued until finally a. well balanced concrete of the desired consistency is reached. The upper parts of the molds are then swung into place and concrete of the usual standardmix is poured, resulting in the finished pipe, as indicated in Fig. 7.
By the term sloppy mix I means a mixture of plastic concrete having an excessive Water-ratio. The excessive water-ratio is reduced after pouring the excessive water-ratio mixture, by bringing the Water-ratio down to substantially a predetermined normal figure.
While I have shown and described a specific instance of the practical use of this invention, it is to be understood that various modifications lcould be made in the Vsystem apparatus Without departing from the spirit of the invention as defined in the claims.
Having fully described my invention, what I claim is: i
l. In a system for'constructing pipe, consisting in placing a core, pouring sloppy concrete under said core and part way up the sides thereof, adding cement and sand to said sloppy mix until the consistency thereof is brought substantially to a predetermined standard mix, and pouring concrete ofa'predetermined standard Vmix around the main portion of said cor-e.
2. The method of constructing pipe, consisting in building a skeleton. having a glass or vitrified pipe lining, placing metal reinforcing around said skeleton, pouring a sloppy plastic mix under and partly around said reinforcing and said skeleton, adding cement and sand to said sloppy plastic mix until said mix is brought up substantially to a standard mix, and encasing remaining portions of said reinforcing and skeleton with concrete of substantially the standard mix.
3. A method of constructing pipe, consisting in building a skeleton length, placing said skeleton length in a trench yand spaced` apart from the bottom thereof, pouring a sloppy plastic mix into said trench and under said skeleton length, bringing said plastlc mix up to predetermined standard consistency by adding comparatively dry concrete ingredients to said plastic mix .after it is so poured, and completing said pipe by pouring a plastic mix of substantially standard proportions of ingredients around the remaining portion of the skeleton.
4. Amethod of constructing pipe, consisting in placing a skeleton, placing a Wire mesh reinforcing around said skeleton, forming a longitudinal joint in said Wire mesh reinforcing by bringing tWo ends thereof together in a position above said skeleton, turning the Wire mesh reinforcing around the skeleton until said joint comes to the bottom,
pouring a sloppy mix of concrete under said skeleton, poking said sloppy mix of concrete into the interstices of said Wire mesh reinforcing and said skeleton, changing the composition. of said sloppy mix of concrete to substantially a. predetermined standard.' composition by vadding comparatively dry concrete ingredients to said plastic miX of concrete after the latter is so poured, and completing the pipe by pouring plastic concrete of substantially predetermined standard composition around the remaining portions of said skeleton and said Wire mesh reinforcing.
5. A system for constructing pipe, consisting in placing a vitrilied clay or glass lining' in a desired position, pouring plastic concrete having a high Water-ratio partially around said lining, changing the composition of said plastic concrete by adding com- 40 paratively dry concrete ingredients thereto, thus reducing the Water-ratio to substantially a predetermined amount, and completing the pipe by pouring plastic concrete of substantially standard composition around remain- .:15 ing portions of said lining.
In testimony whereof, I sign my name hereto.
THOMAS DE LA MARE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US362607A US1910594A (en) | 1929-05-13 | 1929-05-13 | System for constructing pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US362607A US1910594A (en) | 1929-05-13 | 1929-05-13 | System for constructing pipe |
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US1910594A true US1910594A (en) | 1933-05-23 |
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US362607A Expired - Lifetime US1910594A (en) | 1929-05-13 | 1929-05-13 | System for constructing pipe |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2612675A (en) * | 1948-12-27 | 1952-10-07 | William E Wread | Method of erecting concrete structures |
US2906294A (en) * | 1953-11-27 | 1959-09-29 | Earl C Peterson | Duct structure for pipes |
US2978840A (en) * | 1955-07-25 | 1961-04-11 | Tatsch Richard | Building construction and air conduit structure therefor |
US2987793A (en) * | 1956-09-24 | 1961-06-13 | Jourdan Concrete Pipe Co | Apparatus for forming a concrete pipe |
US3213512A (en) * | 1962-01-16 | 1965-10-26 | John P Glass | Collapsible core |
US3484509A (en) * | 1963-05-10 | 1969-12-16 | Rensulate Corp | Insulated underground conduit |
US4697955A (en) * | 1982-07-30 | 1987-10-06 | Le Clerco Pierre A L M G | Method of constructing reinforced concrete works such as underground galleries, road tunnels, et cetera; pre-fabricated contrete elements for constructing such works |
US4811543A (en) * | 1985-03-12 | 1989-03-14 | Donald Herbst | Process for installing plastic pipes in a plaster floor layer |
US20040231740A1 (en) * | 2001-08-07 | 2004-11-25 | Jerome Stubler | Method for repairing pipes |
-
1929
- 1929-05-13 US US362607A patent/US1910594A/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2612675A (en) * | 1948-12-27 | 1952-10-07 | William E Wread | Method of erecting concrete structures |
US2906294A (en) * | 1953-11-27 | 1959-09-29 | Earl C Peterson | Duct structure for pipes |
US2978840A (en) * | 1955-07-25 | 1961-04-11 | Tatsch Richard | Building construction and air conduit structure therefor |
US2987793A (en) * | 1956-09-24 | 1961-06-13 | Jourdan Concrete Pipe Co | Apparatus for forming a concrete pipe |
US3213512A (en) * | 1962-01-16 | 1965-10-26 | John P Glass | Collapsible core |
US3484509A (en) * | 1963-05-10 | 1969-12-16 | Rensulate Corp | Insulated underground conduit |
US4697955A (en) * | 1982-07-30 | 1987-10-06 | Le Clerco Pierre A L M G | Method of constructing reinforced concrete works such as underground galleries, road tunnels, et cetera; pre-fabricated contrete elements for constructing such works |
US4811543A (en) * | 1985-03-12 | 1989-03-14 | Donald Herbst | Process for installing plastic pipes in a plaster floor layer |
US20040231740A1 (en) * | 2001-08-07 | 2004-11-25 | Jerome Stubler | Method for repairing pipes |
US7174920B2 (en) * | 2001-08-07 | 2007-02-13 | Freyssinet International (Stup) | Method for repairing pipes |
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