WO1993020306A1 - Tension - and pressure - absorbing construction components - Google Patents
Tension - and pressure - absorbing construction components Download PDFInfo
- Publication number
- WO1993020306A1 WO1993020306A1 PCT/NO1993/000048 NO9300048W WO9320306A1 WO 1993020306 A1 WO1993020306 A1 WO 1993020306A1 NO 9300048 W NO9300048 W NO 9300048W WO 9320306 A1 WO9320306 A1 WO 9320306A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sections
- sleeve
- tension
- core piece
- construction component
- Prior art date
Links
Classifications
-
- 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
- E04G25/00—Shores or struts; Chocks
- E04G25/02—Shores or struts; Chocks non-telescopic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
-
- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/02—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means
- E04G1/12—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means comprising members of special, e.g. composite, cross-section or with lugs or the like or lateral apertures for supporting or attaching other members
-
- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/14—Comprising essentially pre-assembled two-dimensional frame-like elements, e.g. of rods in L- or H-shape, with or without bracing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0486—Truss like structures composed of separate truss elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0486—Truss like structures composed of separate truss elements
- E04C2003/0491—Truss like structures composed of separate truss elements the truss elements being located in one single surface or in several parallel surfaces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0486—Truss like structures composed of separate truss elements
- E04C2003/0495—Truss like structures composed of separate truss elements the truss elements being located in several non-parallel surfaces
Definitions
- the present invention relates to an elongate tension- and pressure-absorbing construction component, especially for use in scaffolds, framework constructions or similar building constructions.
- the first and foremost aim is to produce a construction component, which can be used for various types of building purposes with the possibility, all according to the conditions, to transfer tension loads and/or pressure loads in a building con ⁇ struction in an accurately controlled manner.
- the con- struction component shall mainly transfer internal pres ⁇ sure forces and external pressure forces
- the con ⁇ struction component in other cases of application shall transfer internal tension forces and external pressure forces.
- building construction is to be under- stood both permanent constructions, for example tent hall constructions, and readily dismantleable constructions, such as scaffolds and similar constructions.
- the construction component according to the inven- tion is characterised in that it comprises an elongate, tension-absorbing, rigid core piece, which constitutes a common support means for a succession of mutually axially impacting, sleeve-shaped, separate sections and sleeve- carrying sections, which separately surround the core piece and which form support abutments radially against this, a pair of tension means, which are arranged at their respective ends of the core piece and which project later ⁇ ally outwards from this, forming stops for the succession of intermediate, mutually impacting sections, while the impacting sections are axially clamped together on the core piece with a certain prestressing force between the pair of tension means to form a rigid coherent construct ⁇ ion component.
- a construction component is obtained initially, which can be specially made in a specially flexible manner for different purposes of use, based on an arrangement of certain common main components and a relatively small selection of specially designed extra components.
- the solution according to the invention is especi ⁇ ally advantageous in the manufacture of the construction component of aluminium and especially in the use of extru ⁇ ded aluminium components, where in the construction compo ⁇ nent with the aid of simple means the components can be fixed in precise positions relative to each other and the components fastened accurately and reliably in place in the construction component, without being dependent on welded joints.
- the weight of the construction component can hereby be limited and the manufacturing costs thereby directly reduced for the individual compo ⁇ nents and for the whole construction component.
- the length of the various external -sections can for example be adjusted to each other, so that on mounting they assume precisely established positions rela- tive to each other and relative to the core piece, and thereby can transfer loads at accurately established points in the construction component in a ready and reli ⁇ able manner.
- the invention is, with reference to the afore- mentioned, characterised in that the sleeve-shaped secti ⁇ ons form spacing means between the sleeve-carrying secti ⁇ ons, which are separately adapted to transfer the loads to and from the construction component via the core piece and the adjacent sleeve-shaped sections respectively.
- An especially simple practial solution specifically designed for use in scaffolds or in framework construct ⁇ ions, is characterised in that the core piece consists of a rigid metal pipe which is provided at opposite ends with external threads for the reception of their respective associated tension means with associated internal threads for regulatably setting up the pressure-absorbing sections between the tension means.
- a core piece of rigid metal pipe this can transfer tension forces and pressure forces as required.
- vertical scaffold members can in certain cases of application rest vertically against a lower base for absorbing pressure forces, while in other cases, for example in connection with platforms at sea. they can hang vertically downwards from an upper fastening for absorbing tension forces in the vertical scaffold mem ⁇ bers.
- an extra tension-absorbing wire or similar tension means can be centrally received in the axially following, pipe- shaped core pieces.
- Fig. 1 shows in perspective a part of a scaffold with posts and intermediate, longitudinal and transverse beams and railing members.
- Fig. 2 shows in perspective view a part of a post according to the invention, having different sections and parts illustrated ready for mutual coupling together.
- Fig. 3 shows in part a post and some beams, which are connected to the post and which are ready for coupling together with the post.
- Fig. 4 shows a perspective view of a sleeve-carrying section which forms a part of the post as illustrated in Fig. 2 and 3.
- Fig. 5 shows in part a side view of a horizontal beam as illustrated in Fig. 3.
- Fig. 6 shows in part a perspective view of some of the members which form a part of horizontal beam according to the invention.
- Fig. 7 shows a perspective view of a framework con ⁇ struction according to the invention.
- Fig. 8 and 9 show respectively a side view and a perspective view of a sleeve-carrying section, which forms a part of the framework construction according to Fig. 7.
- Fig. 1 there is shown schematically a part of a scaffold 10, which is made up of a number of cooperating construction components lla-lld, 12a-12d, 13a-13d and 14a- 14b.
- Each scaffold section 10 is shown constructed with four posts lla-lld, two longitudinal upper beams 12a-12b and two longitudinal lower beams 12c-12d, two transverse upper beams 13a-13b and two transverse lower beams 13c-13d together with two longitudinal railing components 14a-14b.
- Each of the said construction components can gene- rally be constructed in one and the same way, as is indi ⁇ cated in Fig. 2 and 6, that is to say constructed of an elongate inner core piece 15, a number of first, sleeve- shaped sections 16 and a number of second sleeve-carrying sections 17, which are threaded into place in succession on the outside of the core piece 15, together with a pair of tension means 18a, 18b, which are fastened to each opposite end of the core piece 15.
- a clamping force exerted in the core piece 15 the succession of sections 16, 17 can be tightened axially together between the tension means 18a, 18b.
- the core piece 15 is made of a metal pipe of extruded aluminium. Alternatively however other metals or other materials can also be used in the core piece.
- the first sections 16 are produced as spacing means in the form of sleeves of different length manufactured by dividing up a metal pipe, which for example is made of extruded aluminium.
- the second sleeve- carrying sections 17 are designed, as shown in detail in
- Fig. 4 with an inner sleeve portion 17a and four external bow portions 17b-17e.
- the sections 17 are also made of extruded aluminium profile by dividing up into relatively short, uniform sections. The length of the sections can be chosen as required.
- the same wall thick- ness is employed in the sleeve-shaped sections 16 and in the sleeve portion 17a of the sections 17 respectively. Furthermore provision is made for the sections 16 and sleeve portion 17a of the sections 17 to be axially dis- placeable into place on the core piece 15 with a sliding fit, so that they can be separately supported internally against the core piece 15.
- the sections 16 and 17, which have corresponding wall thicknesses and corre ⁇ sponding internal diameters can be supported mutually aligned in an axial direction, back-to-back between the tension means 18a, 18b.
- a wall thickness is chosen in the core piece corresponding to that of the sections 16 and 17. Consequently the sections 16, 17 can thereby transfer, as required, forces laterally relative to the core piece 15 as well as axially between the sections 16, 17 and further via the tension means 18 to the respective end of the core piece 15.
- a circular annular cross-section is used for the metal pipes employed and for the metal profiles employed for the said sleeves/sleeve portions.
- Special anchoring elements or anchoring means can if necessary be employed in order to anchor the sections 16, 17 in place at accurately adjusted locations on the core piece 15 (for example by anchoring after effecting prestressing) .
- the anchoring can for example be done by local deformation of the surrounding outer profile member in the core-forming inner profile member.
- a multi-edged annular cross-section can be employed, so that mutual turning between the internal core piece 15 and the external sections 16, 17 can be preven ⁇ ted.
- two pairs of mutually oppositely directed fastening grooves 17b -17e can be defined for reception of their respective associated finger-shaped mounting pin 19 which projects vertically outwards from a respective horizontal adjacent construction component or beam 12, for example a pair of longitudinal beams 12a, 12a' or a pair of longitudinal railing components 14a,
- a pair of longitudinal beams 12c, 12c' are shown which are ready for fastening into associated bow portions of the section 17 in the post 11a by lowering of the beam, as is indicated by the arrows A.
- sleeve section 16 By means of two sections 17, which are set up on the core piece 15 at a certain vertical distance relative to each other by means of a sleeve section 16, there can be defined an equivalent upper and lower fastening for an upper and lower finger-shaped mounting pin 19 on their respective beam members 22, 23, as is shown in Fig. 5. Correspondingly pairs of sleeve-carrying sections 17 can be fastened at suitable intermediate spaces in the height direction of the post for the fastening of beams and rail ⁇ ing and the like at different height positions in the scaffold 10.
- the combined wall thickness can accord ⁇ ing to the invention be shared between two coaxially extending pipes, that is to say a relatively thin-walled inner pipe which is tightly surrounded by an equivalent relatively thin-walled outer pipe, the outer pipe (which consists of axially impacting sections) and the inner pipe being able effectively to support each other mutually in the lateral direction.
- the inner pipe and the outer pipe can substantially take up correspondingly large axial pressures separately.
- the sections 16, 17 can in themselves transfer in an effective manner significant axial pressure forces, while the core piece 15 can as required transfer tension or pressure forces axially through the construction component.
- a lower post 12a can be jointed endways together with a corresponding upper post 123', as shown in broken lines in Fig. 3, by means of a common connecting pin 20.
- the pin 20 has at its one end an external thread, which is screwed into engagement with an internal thread in the upper end of the lower post 12a and which with a pin portion 20a projects upwardly into the lower end of the upper post 12a' .
- a common locking bolt is inserted in a transverse bore 20b in the pin 20 and in aligned bores in the two impact ⁇ ing post ends.
- the ends of the posts can be locked together by ⁇ jmeans of impacting tension means 18a, 18b, as indicated uppermost in Fig. 3.
- a horizontal construction component 12 as shown correspondingly in Fig. 1 and 3, consists as shown in Fig. 5 of two parallel elongate members 22, 23, which are connected sideways to each other at suitable axial distan ⁇ ces by a succession of transverse stays 24.
- the members 22 and 23 are composed of an internal core piece 15 and sleeve-shaped, spacing piece-forming sections 16 and sleeve-carrying, load-transferring sections 17' together with tension means 18a' at opposite ends.
- the core piece is made of a metal pipe which is threaded with a sliding fit through the sections 16 and 17' .
- external thread 15a on the pipe end and equivalent inter ⁇ nal thread 18a" a succession of sections 16 and 17' are tightened axially together with a certain clamping force between opposite tension means 18a' (only the tension means at one end of the construction component are shown in Fig. 5 and 6) .
- a short spacing sleeve 16 is shown between the section 17' and the tension means 18a' for preventing contact between the section 17' and the tension means 18a.
- the finger-shaped pins 19 project vertically downwards from their respective tension means 18a', as illustrated in Fig.5.
- the members 22 and 23 are held vertically spaced from each other by means of the transverse stays 24.
- the section 17' comprises two opposite sleeve portions 17a' and 17b', which form a part of their respective members 22, 23, and the intermediate stay 24, which connects the sleeve portions 17a', 17b' to each other, as is shown in Fig. 6.
- the section 17' can be made of an extruded length of metal profile which is cut into sections of suitable length as required.
- a pivotably mounted locking member 25 is fastened for locking pins 19 of the beam 12 in place in the associated power-transferring sections 17' of the post 11a.
- a framework-forming construction component 30 which is made up of three mutually parallel members 31, 32, 33 which are connected to each other by means of obliquely extending stays 34.
- members 31-33 of the construction component 30 are made up of a core piece 15 and a succession of sleeve- shaped sections 16 together with a succession of sleeve portion-carrying sections 17".
- the sections 16 and 17" are clamped axially together on the outside of the core piece 15 by way of tension means correspondingly as described for the construction components 11 and 12.
- Fig. 8 and 9 there is illustrated a section 17" shown respectively in side view and in perspective.
- the section 17" consists of two opposite sleeve portions 17a" and 17b", which are mutually connected to each other via an intermediate, obliquely extending cross stay 34.
- Fig. 8 in broken lines a profile blank 36 from which the section 17 is cut off with a desired oblique contour of the stay 34.
- the stay By turning the stay 180 degrees the stay can extend with an opposite oblique contour in one and the same member 31 (32, 33) .
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Bridges Or Land Bridges (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93908174A EP0633970A1 (en) | 1992-03-27 | 1993-03-25 | Tension - and pressure - absorbing construction components |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO921196 | 1992-03-27 | ||
NO921196A NO175270C (en) | 1992-03-27 | 1992-03-27 | Elongated stretch and pressure absorbing building part |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993020306A1 true WO1993020306A1 (en) | 1993-10-14 |
Family
ID=19895009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NO1993/000048 WO1993020306A1 (en) | 1992-03-27 | 1993-03-25 | Tension - and pressure - absorbing construction components |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0633970A1 (en) |
NO (1) | NO175270C (en) |
WO (1) | WO1993020306A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000053861A1 (en) * | 1999-03-09 | 2000-09-14 | Mammoet Decalift International B.V. | Frame structure for assembling a boom, hoisting or builder's crane, a bridge or the like |
EP1079039A1 (en) * | 1999-08-24 | 2001-02-28 | M. Patrick Gobert | Supporting structure and dismantlable truss members |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK128616B (en) * | 1966-12-15 | 1974-06-04 | Echafaudages Soc Fr Des | Scaffolding. |
NO138036B (en) * | 1970-05-28 | 1978-03-06 | Jacques Laffargue | T} RNSTILLAS. |
SE440526B (en) * | 1978-03-30 | 1985-08-05 | Select Etem Sa | BUILDING POSITION WITH TELESCOPIC STRAPS IN SHELTS AS WELL AS THE EXTERNAL MODULES AS AT INTERMEDIATE PARTS BETWEEN THE MODULES |
EP0296916A1 (en) * | 1987-06-11 | 1988-12-28 | Gérard Saby | Modular building element, particularly for ladders or seaffolding |
-
1992
- 1992-03-27 NO NO921196A patent/NO175270C/en unknown
-
1993
- 1993-03-25 WO PCT/NO1993/000048 patent/WO1993020306A1/en not_active Application Discontinuation
- 1993-03-25 EP EP93908174A patent/EP0633970A1/en not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK128616B (en) * | 1966-12-15 | 1974-06-04 | Echafaudages Soc Fr Des | Scaffolding. |
NO138036B (en) * | 1970-05-28 | 1978-03-06 | Jacques Laffargue | T} RNSTILLAS. |
SE440526B (en) * | 1978-03-30 | 1985-08-05 | Select Etem Sa | BUILDING POSITION WITH TELESCOPIC STRAPS IN SHELTS AS WELL AS THE EXTERNAL MODULES AS AT INTERMEDIATE PARTS BETWEEN THE MODULES |
EP0296916A1 (en) * | 1987-06-11 | 1988-12-28 | Gérard Saby | Modular building element, particularly for ladders or seaffolding |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000053861A1 (en) * | 1999-03-09 | 2000-09-14 | Mammoet Decalift International B.V. | Frame structure for assembling a boom, hoisting or builder's crane, a bridge or the like |
EP1079039A1 (en) * | 1999-08-24 | 2001-02-28 | M. Patrick Gobert | Supporting structure and dismantlable truss members |
Also Published As
Publication number | Publication date |
---|---|
NO175270B (en) | 1994-06-13 |
EP0633970A1 (en) | 1995-01-18 |
NO921196L (en) | 1993-09-28 |
NO921196D0 (en) | 1992-03-27 |
NO175270C (en) | 1994-09-21 |
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