EP0490856A1 - Verfahren zum Herstellen von Betonsäulen - Google Patents

Verfahren zum Herstellen von Betonsäulen Download PDF

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Publication number
EP0490856A1
EP0490856A1 EP91850311A EP91850311A EP0490856A1 EP 0490856 A1 EP0490856 A1 EP 0490856A1 EP 91850311 A EP91850311 A EP 91850311A EP 91850311 A EP91850311 A EP 91850311A EP 0490856 A1 EP0490856 A1 EP 0490856A1
Authority
EP
European Patent Office
Prior art keywords
concrete
mould
production method
pillar
cut
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.)
Granted
Application number
EP91850311A
Other languages
English (en)
French (fr)
Other versions
EP0490856B1 (de
Inventor
Olli Virtanen
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.)
BETEMI Oy
Original Assignee
BETEMI Oy
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
Application filed by BETEMI Oy filed Critical BETEMI Oy
Publication of EP0490856A1 publication Critical patent/EP0490856A1/de
Application granted granted Critical
Publication of EP0490856B1 publication Critical patent/EP0490856B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/12—Apparatus or processes for treating or working the shaped or preshaped articles for removing parts of the articles by cutting
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/044—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs the saw blade being movable on slide ways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work

Definitions

  • the present invention relates to a method for producing a concrete pillar, in which method the concrete mix is cast in a mould, and after the hardening of the mix, it is cut.
  • a related method for producing concrete elements is described, e.g., in the Finnish patent application 2016/69, according to which a cast concrete block is divided by cutting into planar slabs to be used as stepping levels of stairs.
  • the GB patent 1,474,717 discloses a grinding method of a ceramic block, whereby said method achieves a ceramic piece with a circular cross section through grinding by different shapes of grinding wheels.
  • patent publications as the DE patent 673,520, FI patent 80400 and FI patent application 875752 relate to methods for producing concrete elements, but all of these are based on cutting or processing the concrete mix prior to its hardening.
  • the patent application publication DE-3521 199 A1 describes a production method for an element with a circular cross section, in which method a pipe-like shell is cut by sawing from a natural stone block, after which the shell is filled with concrete mix and reinforcing steels.
  • the production method according to the invention is characterized by the following combination of work phases: centering elements, such as a full-length hollow pipe, are mounted in the mould; possible reinforcing steels are placed about the centering element; and - concrete mix is introduced into the mould, the mix is allowed to harden and dry, the concrete element is stripped free from the mould, the concrete element is centered in a cutting unit of the concrete element, the sides of the concrete element are cut by sawing so as to attain a pillar of desired cross section.
  • centering elements such as a full-length hollow pipe
  • the invention achieves in a straightforward manner a pillar of desired cross section and excellent dimensional accuracy.
  • the cutting method by sawing according to the invention completely replaces conventional diamond grinding.
  • the cut concrete surface can additionally be ground after cutting by sawing to a high polish if a glossy surface is desired.
  • the concrete pillar is cut by sawing to attain a cross section shaped as a square, hexagon, octagon, etc.
  • the pillar to be cut by sawing is first rotated about the centered axis to a correct angle and then cut by sawing.
  • An embodiment of the invention is characterized in that the concrete pillar is cut by sawing to a conical shape.
  • the concrete pillar to be cut by sawing is aligned to an angle with respect to the linear path of the cutting saw.
  • Another embodiment of the invention is characterized in that a plurality of adjacently placed centering elements are enclosed by casting in a common mould so that several pillars can be obtained from a single mould by separating the pillars by cutting with a saw from the cast concrete element. This approach can provide significant time savings in the production of concrete pillars.
  • a further another embodiment of the invention is characterized in that the concrete pillar is processed by cutting with a saw to incorporate grooves for the mounting of wall panel elements. This provides a stable mounting of the wall elements without the use of additional fixing elements.
  • another embodiment of the invention is characterized in that the concrete mix is filled with stone aggregates of 30...100 mm diameter, whereby the stones are cut during the cutting phase with a saw thus producing a decorative surface.
  • Such a cut stone surface has a unique and attractive appearance.
  • a mould 2, 3 is provided with centering elements 4 which can be either full-length hollow pipes or possibly only pipe stubs or shaft pins at the ends of the pillar to be cast.
  • the centering element 4 is next surrounded by reinforcing steels 5 comprising bars aligned parallel with the concrete pillar's axis and steel wire wound about the bars.
  • Concrete mix 6 is cast in the mould 2, 3 and allowed to harden and dry.
  • the concrete element is divided by cutting the concrete pillars separate from each other with a saw. The sawn gaps are indicated by reference number 7.
  • the concrete pillar element is next centered in a concrete saw cutting unit 8.
  • the concrete pillar element is cut by sawing to attain a desiredly shaped cross section for the pillar.
  • a selection of different shapes are illustrated in Figs. 7...11.
  • the concrete pillar shown in Fig. 11 is provided with grooves 9 into which wall panel elements can be inserted. If the concrete mix is complemented with stone aggregates of 30...100 mm diameter, an attractive decoration of the pillar surface is obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Mining & Mineral Resources (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Finishing Walls (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
EP91850311A 1990-12-12 1991-12-11 Verfahren zum Herstellen von Betonsäulen Expired - Lifetime EP0490856B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI906117 1990-12-12
FI906117A FI87747C (fi) 1990-12-12 1990-12-12 Framstaellningsfoerfarande av betongpelare

Publications (2)

Publication Number Publication Date
EP0490856A1 true EP0490856A1 (de) 1992-06-17
EP0490856B1 EP0490856B1 (de) 1994-06-22

Family

ID=8531560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91850311A Expired - Lifetime EP0490856B1 (de) 1990-12-12 1991-12-11 Verfahren zum Herstellen von Betonsäulen

Country Status (5)

Country Link
EP (1) EP0490856B1 (de)
AT (1) ATE107565T1 (de)
DE (1) DE69102620T2 (de)
ES (1) ES2060343T3 (de)
FI (1) FI87747C (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557261A1 (de) * 1992-02-21 1993-08-25 Partek Concrete Oy Ab Vorrichtung zum Herstellen von Betonsäulen
EP0557262A1 (de) * 1992-02-21 1993-08-25 Partek Concrete Oy Ab Giessform für eine Säule oder einen Balken aus Beton

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101713237B (zh) * 2009-11-17 2011-06-29 中国建筑第八工程局有限公司 大体积原浆饰面大墩柱清水混凝土施工方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098929A (en) * 1936-08-11 1937-11-09 George L Barnes Block or slab molding means and method
DE819220C (de) * 1949-07-10 1951-10-31 Schoemo Decken G M B H Verfahren zur Herstellung von Hohlziegelbalken
EP0292452A1 (de) * 1987-05-21 1988-11-23 Oy Lohja Ab Verfahren für die Herstellung von Betonfertigteilen
EP0327139A2 (de) * 1985-11-13 1989-08-09 Wolf Systembau Gesellschaft m.b.H. Vorrichtung zum Herstellen von prismatischen oder pyramidenstumpfförmigen Balken
EP0340185A2 (de) * 1988-04-28 1989-11-02 Betemi Oy Verfahren zum Herstellen von Säulen oder Balken aus Beton

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098929A (en) * 1936-08-11 1937-11-09 George L Barnes Block or slab molding means and method
DE819220C (de) * 1949-07-10 1951-10-31 Schoemo Decken G M B H Verfahren zur Herstellung von Hohlziegelbalken
EP0327139A2 (de) * 1985-11-13 1989-08-09 Wolf Systembau Gesellschaft m.b.H. Vorrichtung zum Herstellen von prismatischen oder pyramidenstumpfförmigen Balken
EP0292452A1 (de) * 1987-05-21 1988-11-23 Oy Lohja Ab Verfahren für die Herstellung von Betonfertigteilen
EP0340185A2 (de) * 1988-04-28 1989-11-02 Betemi Oy Verfahren zum Herstellen von Säulen oder Balken aus Beton

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557261A1 (de) * 1992-02-21 1993-08-25 Partek Concrete Oy Ab Vorrichtung zum Herstellen von Betonsäulen
EP0557262A1 (de) * 1992-02-21 1993-08-25 Partek Concrete Oy Ab Giessform für eine Säule oder einen Balken aus Beton

Also Published As

Publication number Publication date
FI87747C (fi) 1993-02-25
FI906117A (fi) 1992-06-13
FI906117A0 (fi) 1990-12-12
DE69102620D1 (de) 1994-07-28
FI87747B (fi) 1992-11-13
EP0490856B1 (de) 1994-06-22
ATE107565T1 (de) 1994-07-15
ES2060343T3 (es) 1994-11-16
DE69102620T2 (de) 1994-10-06

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