EP0454098B1 - Verfahren zur Herstellung von Schachtbodenstücken und Vorrichtung zur Durchführung des Verfahrens - Google Patents

Verfahren zur Herstellung von Schachtbodenstücken und Vorrichtung zur Durchführung des Verfahrens Download PDF

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Publication number
EP0454098B1
EP0454098B1 EP91106618A EP91106618A EP0454098B1 EP 0454098 B1 EP0454098 B1 EP 0454098B1 EP 91106618 A EP91106618 A EP 91106618A EP 91106618 A EP91106618 A EP 91106618A EP 0454098 B1 EP0454098 B1 EP 0454098B1
Authority
EP
European Patent Office
Prior art keywords
mould
concrete
inlay element
shaft bottom
mantle
Prior art date
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.)
Expired - Lifetime
Application number
EP91106618A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0454098A3 (en
EP0454098A2 (de
Inventor
Goji Ito
Eugen Baumgärtner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baumgartner GmbH Maschinenfabrik
Original Assignee
Baumgartner GmbH Maschinenfabrik
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Baumgartner GmbH Maschinenfabrik filed Critical Baumgartner GmbH Maschinenfabrik
Priority to EP95100996A priority Critical patent/EP0659949A1/de
Priority to DE9117012U priority patent/DE9117012U1/de
Publication of EP0454098A2 publication Critical patent/EP0454098A2/de
Publication of EP0454098A3 publication Critical patent/EP0454098A3/de
Application granted granted Critical
Publication of EP0454098B1 publication Critical patent/EP0454098B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F11/00—Cesspools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/168—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes for holders or similar hollow articles, e.g. vaults, sewer pits

Definitions

  • the invention relates to a method for producing shaft floor pieces according to the preamble of claim 1.
  • the method of the generic type has various disadvantages: firstly, productivity is reduced by the large number of necessary work steps, in particular by the manual attachment and removal of the support plates and the like parts. On the other hand, the concrete subsequently poured into the floor opening does not form a perfect, in particular no watertight, bond with the concrete molding.
  • This object is achieved by using a lost insert element, the outer circumference of which protrudes at least over part of the circumference of the mold core in the radial direction and forms a filling cross section sufficient for filling the mold cavity with the inner circumference of the mold shell.
  • the outer circumference of the insert element which projects radially beyond the outer circumference of the mold core, is embedded in the concrete.
  • the insert element supports the bottom of the molded concrete part and distributes its weight over its embedded part in the concrete Outer circumference on the side wall of the molded part. In this way, deformations of the bottom of the concrete molding can be reliably prevented without an opening in the bottom having to be provided to support the weight of the bottom. After hardening, the insert element remains as lost formwork in the concrete molding.
  • US-A-1 611 287 describes a process for the production of asphalt coffins which are provided with a metal lining in their base.
  • the metal lining overlies a grid forming the top of the mandrel.
  • the insert element can be designed as an insert plate or insert shell.
  • the insert element be provided with stiffening ribs on its side facing away from the mandrel.
  • reinforcement elements in particular made of structural steel, are placed on the side of the insert plate facing away from the mandrel.
  • the insert element is convex, the insert element being laid with its concave side on the upper end of the mandrel, the insert element can be given a high degree of stability in a particularly simple manner.
  • the insert element is conical, the insert element being placed with its concave side on the upper end of the mandrel.
  • the concrete molding can also be used to guide water.
  • the channel does not have to be straight, but can also be curved within the molded concrete part.
  • the insert element for the formation of inlets and / or outlets has essentially tubular approaches.
  • the filling cross section be at least 30%, preferably between 40% and 90%, of the cross section of the mold cavity.
  • the outer circumference of the insert element runs at a substantially constant distance from the outer circumference of the mandrel. It can be provided that the distance of the outer circumference of the insert element from the inner circumference of the molded casing is at least 20% of the distance at the respective point between the outer circumference of the molded core and the inner circumference of the molded casing, preferably between 30% and 90%, for complete filling of the mold cavity with concrete.
  • the outer circumference of the insert element has projections projecting radially outward. It is further preferred that the projections are distributed over the circumference of the insert element and have an angular distance of 15 ° to 120 °, preferably approximately 60 °, and that each projection has an average angular extent of 5 ° to 15 °, preferably approximately 10 ° has. This can ensure an effective distribution of the weight of the bottom of the molded concrete part on the side wall, while at the same time it can be ensured that the concrete fills the mold completely, ie in particular without voids under the outer peripheral edge of the insert element.
  • an insert element made of timber, pressboard, plastic, metal or fiber-reinforced cement is used.
  • an insert element made of a material that adheres to concrete can be used.
  • the side wall can be built up when pouring the concrete on a lower sleeve, which forms the lower end of the mold cavity.
  • the stripping can then be carried out by lifting the lower sleeve to a height approximately corresponding to the upper end of the shaped jacket.
  • the bottom part of the manhole can be transported away from the upper end of the shaped jacket.
  • manhole base pieces with a circular cross section can be produced.
  • the invention relates to a device for carrying out the method according to the invention for producing manhole base pieces with a side wall and an integrally adjoining floor made of concrete in a manufacturing orientation opposite to the usage orientation, ie with the floor facing upwards, the device having a shape with a mold core and a radially outer mold jacket arranged at a distance from the mold core, an insert element placed on the upper end of the mold core, a compacting device for compacting the mold into the mold filled concrete, and a lifting device for lifting the shaft base piece from the mold, and wherein according to the invention the outer circumference of the insert element projects at least over a part of the circumference in the radial direction of the outer circumference of the mold core and with the inner circumference of the mold shell one for filling the mold cavity forms sufficient filling cross section.
  • the mold can have a lower sleeve which forms the lower end of the mold cavity.
  • the lower sleeve can lie on the lifting device to lift the shaft base piece to a height approximately corresponding to the upper end of the shaped jacket.
  • a transport device in particular a fork-lift truck, can be provided for the joint removal of the manhole base piece with the lower sleeve from the upper end of the shaped jacket.
  • the device according to the invention can further comprise concrete feeding means for feeding the concrete to be poured into the mold, and a vibrating device for evenly distributing the concrete poured into the mold.
  • the invention relates to a concrete manhole base piece produced by the method according to the invention with an insert element embedded therein.
  • a mold 12 is used according to FIG. 8, which consists of a mold core 14, a mold jacket 16, a lower sleeve 18 and a mold upper part 20.
  • the upper mold part 20 can be transferred from a lowered position (see FIG. 8) to a raised position and vice versa by means of a lifting device (not shown in FIG. 8).
  • the upper mold part 20 can be moved in a direction running essentially parallel to the axis of the mold core 14 and indicated by the double arrow A in FIG. 8.
  • the lower sleeve 18 can be moved between a lower position (see FIG. 8) and an upper position (see FIG. 8) by means of a lifting device 22 in a direction that is also essentially parallel to the axis of the mandrel 14 and is indicated in FIG. 8 by the double arrow B. . 9) can be adjusted.
  • the mold jacket 16 runs at a radial distance from the outer circumference 14a of the mold core 14. In the axial direction, the mold jacket 16 projects beyond the upper boundary surface 14b of the mold core 14.
  • the lower sleeve 18 is arranged radially between the mold core 14 and the mold jacket 16 and stands on the surface shown in FIG. 8 upper end 22a of the lifting device 22.
  • the known method proceeds as follows: If the lifting device 22 with the lower sleeve resting on it 18 is in the lower position (cf. FIG. 8) and the upper mold part 20 is in the raised position, a predetermined amount of concrete is placed in a mold cavity 24 defined by the mold core 14, the lower sleeve 18 and the mold jacket 16 beyond the upper boundary surface 14b of the mandrel 14 filled. The concrete layer above the upper boundary surface 14b of the mold core 14 is then smoothed by lowering the upper mold part 20. For compaction, the entire mold 12 can be shaken by a vibrating device, not shown, in order to achieve a uniform distribution of the filled concrete.
  • the lower sleeve 18 is approximately flush with the floor of the manufacturing hall.
  • the shaft base piece 10 ' is then brought together with the lower sleeve 18 to a storage location by a transport device, for example a forklift truck, where it preferably remains until the concrete has completely hardened.
  • the above-described manufacturing method for manhole base pieces 10 ' has the disadvantage that the bottom part 10'a deforms during the period from the formwork to the complete hardening of the concrete due to its own weight (see FIG. 9), since the filled concrete withstands tensile stresses is not dimensionally stable. In the worst case, the bottom part can get 10'a cracks. Since the filled-in concrete is dimensionally stable against pressure loads, the side wall 10'b of the manhole bottom piece 10 'is not subject to any deformation.
  • an inner formwork plate 26 (see FIG. 10), which is provided with a spacer 26a and a screw bolt 26b, is placed on the upper end 14b of the mold core 14.
  • the upper mold part 20 ' has a recess 20'b formed at its lower end 20'a, in which the screw bolt 26b of the plate 26 is received when the upper mold part 20' is in its lowered position.
  • the upper mold part 20 ' is raised again and a holding plate 28 is placed on the manhole bottom piece 10' '.
  • the holding plate 28 is firmly connected to the formwork plate 26 via a locking screw nut 30 screwed onto the screw bolt 26b (see FIG. 11).
  • the diameter of the formwork plate 26 corresponds to the diameter of the mold core 14, while the holding plate 28 extends up to the inner circumference 16a of the mold jacket 16 and is supported on the side wall of the shaft base piece 10 ′′.
  • the shaft base piece 10 ′′ is then removed from the mold by extending the lifting device 22 (see FIG. 12) and, as described above, removed for the hardening of the concrete. In this state, the base part 10 ′′ a of the shaft base piece 10 ′′ is received between the plates 26 and 28 and is supported by them, so that it cannot deform under its own weight.
  • FIGS. 1 and 2 which is characterized by high productivity and with which the production of reliably watertight manhole base pieces is made possible.
  • the method according to the invention can be carried out with the same device with which the known method, not of the generic type and described above with reference to FIGS. 8 and 9, was carried out.
  • the method according to the invention differs from the known method of the generic type in that before the mold cavity 24 is filled with concrete, an insert element 34, for example an insert plate (see FIG. 1), on the upper end 14b of the mandrel 14 is placed, which has an outer diameter D2 (see. Fig. 2), which is larger than the outer diameter D1 of the concrete mold core 14. That is, the insert plate 34 is dimensioned such that its outer circumference 34a, seen in the radial direction, between the outer circumference 14c of the upper end 14b of the mold core 14 and the inner circumference 16a of the mold jacket 16.
  • the insert element 34 can be made, for example, of construction timber, pressboard, plastic, metal, fiber-reinforced cement or the like. Preferably, a material that adheres to concrete is used.
  • the manhole bottom piece 10 is released by extending the lifting device 22 (see FIG. 2).
  • the shaft base piece 10 is then transported to a storage location together with the lower sleeve 18 using a transport device, for example a forklift truck, and is left there until it has completely hardened.
  • the insert plate 34 picks up the weight of the base part 10a of the manhole base piece 10 and distributes this weight in the area of its outer circumference 34a to the side wall 10b of the manhole base piece 10. This reliably prevents deformation of the base part 10a without breaking through it To have to accept bottom part 10a. After hardening, the insert plate 34 remains as lost formwork in the shaft bottom piece 10.
  • insert plate 34 In order to increase the stability of the bottom part 10a of the manhole base piece 10 and to provide a stiffening for the insert plate 34, additional inserts, for example in the form of structural steel rods 36, can be placed on the insert plate 34 before the mold 12 is filled with concrete. Alternatively, it is also possible to provide the insert plate 34 with stiffening ribs on its side facing away from the mandrel 14.
  • FIG. 4 shows a further exemplary embodiment of a manhole base piece produced by the method according to the invention, analog parts being provided with the same reference numerals as in FIGS. 1 and 2, but increased by the number 100.
  • the insert element 134 is of slightly convex design. Due to the shape that bulges out in the direction of the bottom part 110a of the manhole base piece 110 that bears on it, the insert element 134 has better statics. Thus, insert elements 134 made of lighter and less stable materials can also be used for the production of manhole bottom pieces according to the method according to the invention.
  • FIG. 5 A further exemplary embodiment of a manhole base piece produced by the method according to the invention is shown in FIG. 5, analog parts being provided with the same reference numerals as in FIGS. 1 and 2, but increased by the number 200.
  • the insert element 234 has a conical shape, the tip of the cone being directed toward the bottom part 210a of the shaft base piece 210 which bears on the insert element 234.
  • the conical shape also has good static properties, so that the use of such an insert element 234 has the same advantages as the use of a convex insert element 134 described above.
  • FIG. 6 shows a further exemplary embodiment of a manhole base piece produced by the method according to the invention, analog parts being provided with the same reference numerals as in FIGS. 1 and 2, but increased by the number 300.
  • the insert element 334 not only takes on the supporting function for the base part 310a of the manhole bottom piece 310, but at the same time also takes on the function of water guidance.
  • the insert element 334 is formed with a channel 334a.
  • the insert element 334 is provided on its channel 334a with an essentially tubular extension 334b.
  • this projection 334b lies in a form-fitting manner between the mold core 314 and the molding jacket 316, so that when the mold is filled with concrete, it cannot penetrate into the space 334b1 enclosed by the tubular projection 334b.
  • a manhole bottom piece 310 can have a plurality of such inflow or outflow approaches 334b.
  • the channel 334a does not have to run in a straight line in the shaft bottom piece 310, but can also take a curved course.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Sewage (AREA)
  • Golf Clubs (AREA)
  • Forging (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Insulating Materials (AREA)
EP91106618A 1990-04-27 1991-04-24 Verfahren zur Herstellung von Schachtbodenstücken und Vorrichtung zur Durchführung des Verfahrens Expired - Lifetime EP0454098B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP95100996A EP0659949A1 (de) 1990-04-27 1991-04-24 Schachtbodenstück und Verfahren zur Herstellung von Betonformteilen, insbesondere Schachtbodenstücke
DE9117012U DE9117012U1 (de) 1990-04-27 1991-04-26 Vorrichtung zur Herstellung von Betonformteilen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP45443/90 1990-04-27
JP1990045443U JPH045906U (enrdf_load_html_response) 1990-04-27 1990-04-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP95100996.8 Division-Into 1995-01-25

Publications (3)

Publication Number Publication Date
EP0454098A2 EP0454098A2 (de) 1991-10-30
EP0454098A3 EP0454098A3 (en) 1992-01-08
EP0454098B1 true EP0454098B1 (de) 1995-08-02

Family

ID=12719477

Family Applications (2)

Application Number Title Priority Date Filing Date
EP91106618A Expired - Lifetime EP0454098B1 (de) 1990-04-27 1991-04-24 Verfahren zur Herstellung von Schachtbodenstücken und Vorrichtung zur Durchführung des Verfahrens
EP95100996A Withdrawn EP0659949A1 (de) 1990-04-27 1991-04-24 Schachtbodenstück und Verfahren zur Herstellung von Betonformteilen, insbesondere Schachtbodenstücke

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP95100996A Withdrawn EP0659949A1 (de) 1990-04-27 1991-04-24 Schachtbodenstück und Verfahren zur Herstellung von Betonformteilen, insbesondere Schachtbodenstücke

Country Status (5)

Country Link
EP (2) EP0454098B1 (enrdf_load_html_response)
JP (1) JPH045906U (enrdf_load_html_response)
AT (1) ATE125744T1 (enrdf_load_html_response)
DE (2) DE59106109D1 (enrdf_load_html_response)
DK (1) DK0454098T3 (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4209395A1 (de) * 1992-03-23 1993-09-30 Baumgaertner Maschf Gmbh Formeinrichtung zur Herstellung von Betonrohren
DE4415424C2 (de) * 1994-05-02 1997-05-15 Wuerschinger Gmbh & Co Baubetr Verfahren zur Herstellung eines rohrförmigen Betonformteils
DE19858934A1 (de) * 1998-12-08 1999-07-29 Lindenthal Ralf Dr Verfahren zur Herstellung von Schachtunterteilen aus Beton mit selbsttragenden Einbauten
FR2903335A1 (fr) * 2006-07-05 2008-01-11 Prefabrication Articles Ciment Dispositif de fabrication d'un regard en beton
KR100766850B1 (ko) * 2006-09-29 2007-10-17 박옥교 바닥콘크리트층에 의해 가압 고정되는 집수정 구조체 설치공정
CN107243984B (zh) * 2017-07-31 2023-02-03 重庆志谋科技有限公司 一种建筑构造柱成型设备的升降装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE243186C (enrdf_load_html_response) *
DE221921C (enrdf_load_html_response) *
US1611287A (en) * 1924-05-23 1926-12-21 Asphalt Grave Vault Company Method of molding burial vaults and mold therefor
DE550679C (de) * 1929-09-27 1932-05-13 Ullrich Fritz Vorrichtung zur Herstellung allseitig geschlossener Hohlsteine aus Beton o. dgl.
GB1090841A (en) * 1964-11-05 1967-11-15 Walter Dickinson Method of and apparatus for making structural members
DE1263568B (de) * 1966-02-26 1968-03-14 Sven Arvid Konnberg Verfahren und Anordnung zum Herstellen geschlossener Kaesten aus Beton
FR1591446A (enrdf_load_html_response) * 1968-11-13 1970-04-27
FR2322243A1 (fr) * 1975-08-29 1977-03-25 Manuel Rene Procede de construction d'habitations formees de cellules juxtaposables
AU514036B2 (en) * 1977-03-29 1981-01-22 Castings & Forgings Pty. Ltd. Concrete Sewer manhole
GB2014227B (en) * 1978-02-10 1983-01-12 Shaw C B Building construction
DE3515986C2 (de) * 1985-05-03 1996-01-25 Prinzing Georg Gmbh Co Kg Verfahren zum Herstellen eines als Schachtunterteil oder Schachtboden dienenden Betonteils und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
ATE125744T1 (de) 1995-08-15
DK0454098T3 (da) 1996-01-02
EP0454098A3 (en) 1992-01-08
DE4113752A1 (de) 1991-11-07
EP0454098A2 (de) 1991-10-30
JPH045906U (enrdf_load_html_response) 1992-01-20
DE59106109D1 (de) 1995-09-07
EP0659949A1 (de) 1995-06-28

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