US3671346A - Method of water sealing segments - Google Patents

Method of water sealing segments Download PDF

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Publication number
US3671346A
US3671346A US792236*A US3671346DA US3671346A US 3671346 A US3671346 A US 3671346A US 3671346D A US3671346D A US 3671346DA US 3671346 A US3671346 A US 3671346A
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US
United States
Prior art keywords
segments
joint
bituminous material
water sealing
bituminous
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Expired - Lifetime
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US792236*A
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English (en)
Inventor
Yoshiro Tsuzuki
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Individual
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Individual
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Publication of US3671346A publication Critical patent/US3671346A/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/385—Sealing means positioned between adjacent lining members
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E21D11/083—Methods or devices for joining adjacent concrete segments

Definitions

  • the present invention relates to RC (reinforced concrete) segments in a shield system for construction of a tunnel or to a water sealing system for cast iron or ductile segments.
  • An object of the present invention resides in the use of bituminous material particularly blown asphalt as the water sealing material which is well known as a waterproofing agent conventionally and inexpensive.
  • Another object of the present invention is to effect the complete sealing of the water wherein a conductive heat generating material such as copper wire or stainless steel plate is disposed in the bituminous material and the bituminous material is melted due to the heat generated by the conductance and the bituminous material is well packed in every corner of the joint surface of the segments to prevent the fear of water leaks.
  • a conductive heat generating material such as copper wire or stainless steel plate
  • a further object of the present invention is to facilitate easy setting of the bituminous material to the joint surface of the segments wherein the copper or stainless steel is formed in coil, cord, rod or plate form and the material is formed in cord shape by attaching the bituminous material on its external circumference and the surface of the bituminous material is hardened to such an extent that it is no longer sticky, and is made to be flexible.
  • Still a further object of the present invention resides in that the heat generating material is disposed on the joint surface of the segments and the electric current is applied to the conductive heat generating material and while the temperature of the joint surface is maintained at a predetermined degree, the melting of the bituminous material is maintained at a melting temperature and the bituminous material is caused to well spread in the joint surface. The bituminous material is cooled during the spreading, whereby the fear of being plugged can be eliminated.
  • a still further object of the present invention is to meet the requirement of finishing the water sealing of the segments as quickly as possible.
  • a still further object of the present invention resides in that the water sealing of the segments is completed as soon as possible, the supply of the current to the conductive heat generating material is suspended and the melting bituminous material is relatively caused to cool comparatively fast to effect the hardening of the material through cooling and thus the water sealing work is performed speedily.
  • a still further object of the present invention resides in that the bituminous material is melted by means of a low voltage electric heating method and even in the work performed in the submerged water, the workmen are not subjected to danger during the operation.
  • a still further object of the present invention resides in that the flow of the bituminous material which is melted by the supply of the current is prevented by the formation of the joint surface of the segments in meshed form.
  • a still further object of the present invention resides in that the installation of the bituminous material is easily performed by fitting the bituminous material formed in cord shape in portions of the joint surface of the segments.
  • a still further object of the present invention resides in that the assembly work of the segments is easily performed by arranging the loose meshing of the joint surface of the segments.
  • a still further object of the present invention resides in making the correction which is required due to a zigzag form of the tunnel or the irregular sinking by arranging the loose meshing of the joint surface of the segments and the gap caused actually by the loose meshing is sufiiciently plugged by the filling of the bituminous material.
  • FIG. 1 is a perspective view of the RC segment
  • FIGS. 2 and 3 are cross sectional views of the water sealing material which is in cord form
  • FIG. 4 is a cross sectional view of the joint surface of the RC segments as shown in FIG. 1
  • FIG. 5 is a cross sectional view of the joint portion of the ductile segments
  • FIG. 6 is a perspective view of another embodiment of the RC segments
  • FIG. 7 is a cross sectional view of the joint portion of the RC segments as shown in FIG. 6,
  • FIG. 8 is a view showing the condition of the assembly of the segments.
  • FIG. 1 illustrates RC segments namely segments made of reinforced concrete and joints 2 disposed in a predetermined distance on the circumference of the segments 1.
  • a concave groove 3 in which the bituminous material as the water sealing material is inserted is continuously formed, and when the assembly is made, the concave grooves 3 register to form a hollow connecting hole.
  • blown asphalt is employed as the bituminous material.
  • the blown asphalt has a hardness with which it will not blow out at a room temperature and is capable of being shaped in rod or plate form.
  • the conductive heat generating material a relatively moderate priced copper or stainless steel is used, and said material is used by shaping it into coil or rod form or elongated plate form or ribbon tapeform.
  • a melted asphalt is coated on the external surface of the conductive heat generating material 4 and said asphalt is hardened to form a blown asphalt layer 5, and it is shaped in cord form as a whole. From both ends of said layer, the conductive heat generating material is caused to be projected. Since this Water sealing material shaped in cord form has flexibility, it is fitted in the concave grooves 3 during the covering on the circumference of the segments 1 prior to the assembly of the segments.
  • the projecting portion of conductive heat generating material 4 is disposed so as to appear in the corner portion of the segments 1.
  • the conductive heat generating materials 4 are respectively connected, to each other and a power source.
  • Low voltage current is supplied to the conductive heat generating material 4, and said voltage is in the range of 20 to 40 volts and is conducted for a period of one to two minutes.
  • the blown asphalt is heated to a temperature in the range of 180 to 200 C. and, being melted and boiled, is inflated with an expansion coeflicient of about 10%.
  • it becomes a fluid substance so as to spread into every minute gap of the joint surface.
  • the blown asphalt hardens, and an effective water sealing effect is obtained. Namely, the blown asphalt not only fills the groove 3 but also the minute gaps caused between the abutting surfaces of the segments 1 to effect a complete water sealing.
  • FIG. 5 shows an embodiment wherein the water sealing material is applied on the cast iron or ductile segments and the flange 7 of the joint portion covers the water sealing material 6 in the formed concave grooves 8 and the blown asphalt is melted by the flow of heating current and the water scaling is obtained.
  • the embodiments shown in FIGS. 6, 7 and 8 indicate that two surfaces out of the circumference of the segments are formed as a continuous concave groove 9 and the other two surfaces are formed in a continuous convex portion .10.
  • the convex portion 10 is fitted on the concave groove 9.
  • the width of the concave groove 9 is formed widely and the convex portion 10 is loosely fitted on the concave groove 9 so as to provide a sufiicient gap.
  • the tip of the convex portion 10 is formed in concave and convex form in saw tooth shape. the condition wherein the water sealing material 6 in cord form is fitted in the concave groove 9, the assembly of the segments 1 is carried out.
  • the meshing of the concave groove 9 and the convex portion 10 is made loose and the gap formed whereby the assembly operation is performed speedily and the adjustment of the segments 1 in order to conform to the zigzag construction of the tunnel or the irregular sinking is made possible or it is possible to assemble the segments 1 by forming an angle.
  • the conductive heat generating material which is buried in the water sealing material 6 is supplied with current to melt the blown asphalt which is the water sealing material 6 and is caused to boil. It spreads to fill the gap of the joint portion. According to this method, as the joint surfaces are meshed in concave and convex form, excellent water sealing is obtained and particularly if the top portion of the convex portion 10 is formed in saw tooth form, more excellent water sealing effect can be obtained.
  • the blown asphalt can be positively poured on the joint surface.
  • the segments are arranged beside each other to line a cavity, such as a tunnel, and each segment has a grooved side edge abutting an adjoining segment to form a joint therewith.
  • the bituminous material is interposed in the groove at the joint and the electrically conductive material is also situated in the groove at the joint so that when current is supplied thereto the bituminous material will spread so as to fill the joint and all gaps between the segments at the joint. Thereafter, the supply of current is terminated or suspended, so as to permit the bituminous material to harden. Therefore, with the invention adjoining segments will have in a groove at their abutting side edges which form the joint therebetween a hardened bituminous material filling the joint and all gaps at the joint with the electrical conductor remaining in the bituminous material.
  • Method of water sealing of segments arranged beside each other to line a cavity and each having a grooved side edge abutting an adjoining side edge of the next segment to form a joint therewith characterized by arranging heat generating conductive material in the joint between the segments, filling bituminous material in molten condition into the joint while electric current is supplied to the conductive material, and hardening the bituminous material by terminating the supply of electric current to the conductive material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Sealing Material Composition (AREA)
US792236*A 1968-11-04 1969-01-16 Method of water sealing segments Expired - Lifetime US3671346A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7994168 1968-11-04
JP9006268 1968-12-10

Publications (1)

Publication Number Publication Date
US3671346A true US3671346A (en) 1972-06-20

Family

ID=26420919

Family Applications (1)

Application Number Title Priority Date Filing Date
US792236*A Expired - Lifetime US3671346A (en) 1968-11-04 1969-01-16 Method of water sealing segments

Country Status (5)

Country Link
US (1) US3671346A (enrdf_load_stackoverflow)
DE (1) DE1916424A1 (enrdf_load_stackoverflow)
FR (1) FR2022988A1 (enrdf_load_stackoverflow)
GB (1) GB1257732A (enrdf_load_stackoverflow)
NL (1) NL6903233A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954541A (en) * 1971-06-01 1976-05-04 Mannesmann A.G. Welding of thermoplastics through resistance heating
US4038120A (en) * 1972-11-09 1977-07-26 Russell Carl D Electric heat bonding tape method for construction panels
US4054473A (en) * 1975-11-26 1977-10-18 Ameron, Inc. Method for sealing joints in plastic lined pipes
DE4218526A1 (de) * 1991-07-04 1993-02-25 Thyssen Polymer Gmbh Aus zwei halbschalen bestehendes rohr
WO1999018331A1 (en) * 1997-10-07 1999-04-15 Tarmac Heavy Building Materials Uk Limited Method of manufacturing a tunnel or shaft lining or pipeline
NL1008849C2 (nl) * 1998-04-09 1999-10-12 Arcadis Bouw Infra B V Boortunnelbekledingselement.
WO2000003121A1 (de) * 1998-07-08 2000-01-20 Phoenix Aktiengesellschaft Dichtanordnung
US20030003317A1 (en) * 2001-06-20 2003-01-02 Hong-Geun Chang Thermoplastic resin-laminated structure, method for preparation and use thereof
CN113202505A (zh) * 2021-05-29 2021-08-03 浙江神州科技化工有限公司 地铁管片间隙密封施工工艺

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5948599A (ja) * 1982-08-06 1984-03-19 都築　純一 トンネル覆工構造
GB2171432A (en) * 1985-02-22 1986-08-28 Ncb Underground roadway arch sections
GB2347949A (en) * 1999-03-15 2000-09-20 Channeline Sewer Systems Limit Linings for sewers
EP1114915B1 (de) * 2000-01-04 2006-05-24 Volker Hentschel Tunnelauskleidung
IT202200025425A1 (it) * 2022-12-13 2024-06-13 Libera Carlo Dalla Concio di rivestimento

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954541A (en) * 1971-06-01 1976-05-04 Mannesmann A.G. Welding of thermoplastics through resistance heating
US4038120A (en) * 1972-11-09 1977-07-26 Russell Carl D Electric heat bonding tape method for construction panels
US4054473A (en) * 1975-11-26 1977-10-18 Ameron, Inc. Method for sealing joints in plastic lined pipes
DE4218526C3 (de) * 1991-07-04 2000-01-05 Gabo Systemtech Gmbh Aus zwei Halbschalen bestehendes Rohr
DE4218526A1 (de) * 1991-07-04 1993-02-25 Thyssen Polymer Gmbh Aus zwei halbschalen bestehendes rohr
WO1999018331A1 (en) * 1997-10-07 1999-04-15 Tarmac Heavy Building Materials Uk Limited Method of manufacturing a tunnel or shaft lining or pipeline
US6328501B1 (en) 1997-10-07 2001-12-11 Tarmac Heavy Building Materials Uk Limited Method of manufacturing a tunnel or shaft lining or pipeline
US6368020B1 (en) 1998-04-09 2002-04-09 Arcadis Bouw/Infra B.V. Lining element for a drilled tunnel
EP0949403A1 (en) * 1998-04-09 1999-10-13 Arcadis Bouw/Infra B.V. Lining element for a drilled tunnel
NL1008849C2 (nl) * 1998-04-09 1999-10-12 Arcadis Bouw Infra B V Boortunnelbekledingselement.
CN1093212C (zh) * 1998-04-09 2002-10-23 阿卡迪斯·鲍/因法有限公司 钻孔通道衬件
WO2000003121A1 (de) * 1998-07-08 2000-01-20 Phoenix Aktiengesellschaft Dichtanordnung
US6434904B1 (en) 1998-07-08 2002-08-20 Phoenix Aktiengesellschaft Sealing device
CN1095923C (zh) * 1998-07-08 2002-12-11 凤凰股份有限公司 密封装置
US20030003317A1 (en) * 2001-06-20 2003-01-02 Hong-Geun Chang Thermoplastic resin-laminated structure, method for preparation and use thereof
US20050205203A1 (en) * 2001-06-20 2005-09-22 Hong-Geun Chang Thermoplastic resin-laminated structure, method for preparation and use thereof
US20080063847A1 (en) * 2001-06-20 2008-03-13 Hong-Geun Chang Thermoplastic resin-laminated structure, method for preparation and use thereof
US7479313B2 (en) 2001-06-20 2009-01-20 Hong-Geun Chang Thermoplastic resin-laminated structure, method for preparation and use thereof
CN113202505A (zh) * 2021-05-29 2021-08-03 浙江神州科技化工有限公司 地铁管片间隙密封施工工艺
CN113202505B (zh) * 2021-05-29 2024-04-05 浙江神州科技化工有限公司 地铁管片间隙密封施工工艺

Also Published As

Publication number Publication date
FR2022988A1 (enrdf_load_stackoverflow) 1970-08-07
GB1257732A (enrdf_load_stackoverflow) 1971-12-22
DE1916424A1 (de) 1970-06-04
NL6903233A (enrdf_load_stackoverflow) 1970-05-08

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