US3453707A - Method of sliding-mould concrete casting,and a sliding mould for use in such casting - Google Patents

Method of sliding-mould concrete casting,and a sliding mould for use in such casting Download PDF

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Publication number
US3453707A
US3453707A US528702A US3453707DA US3453707A US 3453707 A US3453707 A US 3453707A US 528702 A US528702 A US 528702A US 3453707D A US3453707D A US 3453707DA US 3453707 A US3453707 A US 3453707A
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Prior art keywords
mould
sliding
casting
yoke
wall
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Expired - Lifetime
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US528702A
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English (en)
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Rolf Gustav Johansson
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
    • E04G11/22—Sliding forms raised continuously or step-by-step and being in contact with the poured concrete during raising and which are not anchored in the hardened concrete; Arrangements of lifting means therefor

Definitions

  • This disclosure pertains to a sliding mould useful for casting concrete structures that will have varying crosssectional dimensions comprising at least two pairs of inner and outer mould walls that are composed of a plurality of removable segments, each of said inner mould walls at its closest point of intersection with a laterally adjacent inner mould Wall being bridged by a plate member of non-variable width that is laterally slideable with respect to at least one of said inner mould wall surfaces, each mould wall being provided with at least one horizontally extending mould strip, yoke-like elements supporting each mould-strip by supporting means that permits horizontal movement of said horizontally extending mould strips, means for causing each yoke-like element to ascend, and means for bringing said yoke-like elements closer to each other as the yoke-like elements are raised.
  • a second exception relates to sliding-mould casting of factory chimneys where it has in fact been possible to build a mould which enables the casting of a chimney having progressively reduced cross-sectional dimensions.
  • Such sliding moulds are so complicated and costly that, for economical reasons, they can only be used where it is quite certain that one particular mould can be utilized several times, which makes it necessary when designing the chimney to adapt the design to any of a few standard sizes.
  • a third exception also relates to bridge columns and similar structural elements of a rectangular cross section, where it has been possibleagain with comparatively complicated arrangements-to cause two of the four walls of the mould to converge, whereas its two remaining walls were maintained in parallel interrelation throughout the height of the column or the corresponding.
  • no satisfactory solution has been developed to the problem of providing a progressively tapering cross section as regards all the external sides of the concrete structure concerned.
  • the invention has for its object to provide a method and a sliding mould, respectively, which will enable, on an economical basis which is justifiable in practice, the utilization of sliding-mould casting for the erection of concrete structures having an all-sidedly decreasing crossf ;fnited Patent sectional area.
  • the mainly characterizing feature of the invention resides in that a mould is employed, the walls of which comprise one or more segments, the width-measures of which are variable continuously and/or in stepby-step fashion by successively removing portions of the mould wall concerned.
  • a sliding mould according to the invention is mainly characterized in that its walls are easily displaceable relative to its supporting members, and in that the walls comprise one or more segments of variable width.
  • FIGS. 1 and 2 are perspective views exemplifying concrete structures which, owing to the present invention, can be cast by means of sliding moulds;
  • FIG. 3 shows a longitudinal section
  • FIG. 4 a cross section through another concrete structure having a more complicated contour
  • FIGS. 5 and 6 in side elevation and in top plan view, respectively, show a portion of a sliding mould made according to well-known design principles
  • FIG. 7 shows a top plan view of a sliding mould constructed according to the present invention.
  • FIG. 8 is a perspective view of the sliding mould shown in FIG. 7;
  • FIG. 9 in section elevation shows a portion of the sliding mould of FIGS. 7 and 8.
  • FIGS. 1 to 4 merely exemplify a few diiferent types of monolithic concrete structural elements susceptible of being produced by sliding-mould casting according to the invention.
  • the structure of FIG. 1 has a rectangular contour, whereas the structure of FIG. 2 is hexagonal in cross section.
  • the structural body of FIGS. 3 and 4 is composed of a central core of hexagonal cross section, and three external segments integrated therewith and having the cross-sectional shape of an equilateral trapezoid. What remains to be mentioned as to these four figures is only that each one of the structures shown therein is hollow.
  • the invention involves very important advantages also in its application to solid structures, but its great value will be most apparent where, as in the present case, the concrete structure encloses one or more cavities having a progressively reduced cross-sectional area, since the essential difliculties are encountered at the inner walls of the mould.
  • the invention is applicable also to structures having a round cross-sectional shape, either such round shape be defined by a circle or by any other curved lines.
  • Numeral 1 designates a concrete wall being under erection by sliding-mould casting, the sliding mould employed having an outer wall 2 and an inner wall 3.
  • the concret wall according to conventional practice, has embedded therein a plurality of iron rods 4, and climbing along these rods are hydraulic jacks 5 carrying yokes 6 having depending legs 7 carrying between them the sliding mould, the so-called mould-stripe 8 of which rest on angle irons 9 or the corresponding rigidly connected to the legs 7.
  • FIGS. 7, 8 and 9 where they relate to identically corresponding items.
  • the difference between the construction subject of the present invention and prior constructions mainly resides in that, in the 'former construction, each mould wall, at one lateral edge thereof, at least, i.e. adjacent a corner, is replaced by a sheet-metal plate member 10, and in that said mould-strips 8 are easily displacea ble along supports provided on the legs 7.
  • These supports in the embodiment illustrated, are constituted by rollers 9 journalled on trunnions 12.
  • Numeral 13 designates essentially vertical posts or the corresponding, each such post securely holding one or more of the yokes 6 and associated elements,
  • numeral 11 designates sheet-metal sealing plates disposed at the outer corners of the mould.
  • the sliding mould is built from wood in the conventional way and is mounted so as to impart to the mould sides an inclination identical with that of the wall surfaces of the column to be cast.
  • it is suitable to interconnect the mould strips temporarily at the corners.
  • the temporary connection between the mould-strips at the corners may be removed.
  • the mould is now susceptible of crimping in size, in that the portion concerned of the inner mould wall will slide in contact with the plate 10, the mould-strips 8 then passing over the rollers 9.
  • the mould will automatically tend to maintain its inclined position unchanged, so that said positive control will have its greatest value when this inclination is to be varied, such as where the walls of the concrete structure being cast are curving, rather than straight-lined. It will also be necessary, as a rule, successively to shorten the spindles 14, but this may readily be done, of course, and the cost involved due to the successive consumption of these spindles, as well as of the mould proper, is quite negligible as compared to the extremely high gain involved in the fact that it has on the whole become possible to cast structures of the types here concerned by means of sliding moulds.
  • the corresponding design calculation work may be reduced to the steps of drawing up a scheme based on the screw-thread pitch of bolts 17 and spindles 14 and the desired cross-sectional dimensions of the structure at various levels, and specifying the amounts by which the bolts and nuts, respectively, will have to be rotated when arriving at each one of a plurality of predetermined levels.
  • a sliding mould useful for casting concrete structures that will have varying cross-sectional dimensions comprising:
  • each mold wall being provided with at least one horizontally extending mould strip
  • (h) means for bringing said yoke-like elements closer to each other as the yoke-like elements are raised.
  • a sliding mould useful for casting concrete structures that will have varying cross-sectional dimensions comprising:
  • each of said inner mould walls at its closest point of intersection with a laterally adjacent inner mould wall being bridged by a plate member of non-variable width, said plate member being laterally slide- :able with respect to at least one of said inner mould wall surfaces.
  • a sliding mould according to claim 2 wherein said plate member comprises two intersecting planar members.
  • each mould Wall is provided with at least one horizontally extending mould strip
  • a sliding mould according to claim 4 which additionally contains means for bringing said yoke-like elements closer to each other as the yoke-like elements are raised.
  • a sliding mould useful :for casting concrete structures that will have varying cross-sectional dimensions comprising:
  • a sliding mould useful for casting concrete struc- 1,891,160 12/1932 Jesper'sen 254-33 X tures that will have varying cross-sectional dimensions 2,705,359 4/1955 stranqberg X comprising: 3,224,065 12/1965 Cheskin 249-20 X '(a) 'at least one sliding mould Wall of variable width, 3,245,648 4/1966 JQhanSSm et X (b) each mould wall being provided with at least one 10 3352399 5/1966 Bossner X horizontally extending mould strip, (c) yoke-1ike elements supporting each mould-strip on SPENCER OVERHOLSER Pnmary Examine" supporting means, D. W. JONES, Assistant Examiner. (d) said supporting means permitting lateral move- US Cl XR ment of said horizontally extending mould strips, and 15 (e) means for causing each yoke-like element to 249-20, 26; 264-23, 34

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
US528702A 1965-02-19 1966-02-21 Method of sliding-mould concrete casting,and a sliding mould for use in such casting Expired - Lifetime US3453707A (en)

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SE217965 1965-02-19

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US (1) US3453707A (enrdf_load_stackoverflow)
AT (1) AT272619B (enrdf_load_stackoverflow)
DE (1) DE1684134A1 (enrdf_load_stackoverflow)
GB (1) GB1142313A (enrdf_load_stackoverflow)
NL (1) NL6602169A (enrdf_load_stackoverflow)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516129A (en) * 1968-01-22 1970-06-23 Harvey H Yoder Slip form for casting concrete
US3552709A (en) * 1967-05-11 1971-01-05 Byggforbattring Ab Arrangement in sliding form equipments for erecting concrete structures having at least one inclined wall surface
US3659982A (en) * 1967-06-02 1972-05-02 Sven Erik Vilhelm Svensson Extensible locking systems for formwork for the casting of concrete constructions
US3901472A (en) * 1973-12-10 1975-08-26 Ahlgren Nils H Adjustable apparatus for sliding form construction
US3973885A (en) * 1973-03-07 1976-08-10 Enor Nominees Pty. Limited Apparatus for progressively constructing a wall of cementitious material
US4016228A (en) * 1973-03-07 1977-04-05 Enor Nominees Pty. Limited Method for progressively constructing a wall of cementitious material
US4060217A (en) * 1975-09-02 1977-11-29 Donald Kirk Concrete forms for building a concrete spillway
US4063857A (en) * 1977-01-28 1977-12-20 Bernard Ahl Control unit for moving the slide molds during the production of buildings
US5173309A (en) * 1990-08-21 1992-12-22 Belarde John F Apparatus for forming concrete barriers
US5198235A (en) * 1991-03-25 1993-03-30 Reichstein Stuart W M Apparatus for vertical slipforming of concrete walls
US5533888A (en) * 1990-08-21 1996-07-09 Belarde; John F. Apparatus for forming concrete barriers
US20110223272A1 (en) * 2010-03-12 2011-09-15 Henrik Stiesdal Apparatus for slipform casting
US9945229B2 (en) * 2016-03-07 2018-04-17 Kern Tunneltechnik Sa Formwork system
WO2018195612A1 (pt) * 2017-04-25 2018-11-01 Farias Rogerio Sistema e método de construção angular de torres eólicas de concreto e similares

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1307470A (en) * 1919-06-24 A partnership
US1619321A (en) * 1920-12-09 1927-03-01 Arthur E Troiel System of concrete construction
US1891160A (en) * 1931-02-16 1932-12-13 Svend Friis Jespersen Sliding form for casting columnar or box shaped concrete structures, such as chimneys, silos, and the like
US2705359A (en) * 1953-05-28 1955-04-05 Strandberg Arthur Beck Monolithic building construction
US3224065A (en) * 1965-04-22 1965-12-21 David B Cheskin Apparatus for building a hollow core structure
US3245648A (en) * 1962-02-02 1966-04-12 Johansson Rolf Gustaf Mold assemblies and casting of building structures
US3252199A (en) * 1961-05-17 1966-05-24 Bossner Josef Formwork for erecting concrete structures

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1307470A (en) * 1919-06-24 A partnership
US1619321A (en) * 1920-12-09 1927-03-01 Arthur E Troiel System of concrete construction
US1891160A (en) * 1931-02-16 1932-12-13 Svend Friis Jespersen Sliding form for casting columnar or box shaped concrete structures, such as chimneys, silos, and the like
US2705359A (en) * 1953-05-28 1955-04-05 Strandberg Arthur Beck Monolithic building construction
US3252199A (en) * 1961-05-17 1966-05-24 Bossner Josef Formwork for erecting concrete structures
US3245648A (en) * 1962-02-02 1966-04-12 Johansson Rolf Gustaf Mold assemblies and casting of building structures
US3224065A (en) * 1965-04-22 1965-12-21 David B Cheskin Apparatus for building a hollow core structure

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3552709A (en) * 1967-05-11 1971-01-05 Byggforbattring Ab Arrangement in sliding form equipments for erecting concrete structures having at least one inclined wall surface
US3659982A (en) * 1967-06-02 1972-05-02 Sven Erik Vilhelm Svensson Extensible locking systems for formwork for the casting of concrete constructions
US3516129A (en) * 1968-01-22 1970-06-23 Harvey H Yoder Slip form for casting concrete
US3973885A (en) * 1973-03-07 1976-08-10 Enor Nominees Pty. Limited Apparatus for progressively constructing a wall of cementitious material
US4016228A (en) * 1973-03-07 1977-04-05 Enor Nominees Pty. Limited Method for progressively constructing a wall of cementitious material
US3901472A (en) * 1973-12-10 1975-08-26 Ahlgren Nils H Adjustable apparatus for sliding form construction
US4060217A (en) * 1975-09-02 1977-11-29 Donald Kirk Concrete forms for building a concrete spillway
US4063857A (en) * 1977-01-28 1977-12-20 Bernard Ahl Control unit for moving the slide molds during the production of buildings
US5173309A (en) * 1990-08-21 1992-12-22 Belarde John F Apparatus for forming concrete barriers
US5290492A (en) * 1990-08-21 1994-03-01 Belarde John F Method for forming concrete barriers
US5533888A (en) * 1990-08-21 1996-07-09 Belarde; John F. Apparatus for forming concrete barriers
US5616291A (en) * 1990-08-21 1997-04-01 John-Wayne Construction Company, Inc. Method for forming concrete barriers
US5198235A (en) * 1991-03-25 1993-03-30 Reichstein Stuart W M Apparatus for vertical slipforming of concrete walls
US20110223272A1 (en) * 2010-03-12 2011-09-15 Henrik Stiesdal Apparatus for slipform casting
US9945229B2 (en) * 2016-03-07 2018-04-17 Kern Tunneltechnik Sa Formwork system
WO2018195612A1 (pt) * 2017-04-25 2018-11-01 Farias Rogerio Sistema e método de construção angular de torres eólicas de concreto e similares

Also Published As

Publication number Publication date
DE1684134A1 (de) 1969-12-04
AT272619B (de) 1969-07-10
GB1142313A (en) 1969-02-05
NL6602169A (enrdf_load_stackoverflow) 1966-08-22

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