• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    ABSTRACT Building framework (8), which comprises two or morebeams (4) and at least one beam (4) is supported byat least three columns (1), the web parts of whichbeams comprise an aperture (6) at the point of theprojection of at least one column (1). The invention isimplemented such that the beam (4) comprises atleast one stiffener (5) that is transverse to the beamand essentially on a projection of the outer edge ofthe column (1). (FIG. 1)
    公开号:SE1250550A1
    申请号:SE1250550
    申请日:2012-05-29
    公开日:2012-12-01
    发明作者:Hannu Lahti
    申请人:Rautaruukki Oyj；
    IPC主号:
    专利说明:

    BUILDING FRAMEWORK The object of the invention is a building framework as defined in the preamble ofclaim 1, which building framework comprises two or more beams, and at least onebeam is supported by at least three columns, the web parts of which beams comprisean aperture at the point of the projection of at least one column.
    Description of prior art lt is known in the art to fix a beam to more than two columns, in which case the beambecomes a so-called continuous beam. A prerequisite for the continuity of a beam issufficient torsional rigidity of the beam at the point of a column. A continuous beamhas a smaller deflection than a beam with a single aperture resting on two columnsand therefore in many cases a saving in material is achieved with a continuousbeam. ln construction the aim is to use as little space as possible for the buildingframework, so that the beams are made to be box-type and as large a proportion aspossible of the height of the beams is disposed between the top surface and thebottom surface of the slab system supported by them. Currently so-called WQ beamsare recommended in construction, which WQ beams comprise a quadratic cross-section and also a widening on the bottom surface of the beam for supporting theslab system. Here the term quadratic means both square and rectangular.
    A building framework having a continuous beam and a column are known, forexample, from publication W09730235A. ln this solution the joint is complex and thebolts in the joint hamper the installation of the slab system resting on the beam.
    The purpose of this invention is to achieve a new type of solution, by means of whichthe drawbacks of prior-art solutions can be avoided. The aim of the invention is toachieve a solution wherein a building framework comprising columns and continuousbeams is achieved such that the continuous beams and columns can be fixed toeach other with a bolted joint without the bolts hampering installation of the slabsystem and the joint area can, if necessary, easily be reinforced with concrete.
    Brief description of the invention 2 The method according to the invention is mainly characterized in that the beamcomprises at least one stiffener that is transverse to the beam and essentially on aprojection of the outer edge of the column.
    The building framework according to the invention is also characterized by what isstated in claims 2-6.
    The solution according to the invention has a number of important advantages. ln thesolution according to the invention it is easy to perform the fixing of a beam to acolumn because there is a tightening means at the end of the column. The tighteningmeans extends to inside the beam and via an aperture in the flank of the beam afitter can get the tightening means tightened for achieving a joint between the beamand the column, in which case the column and the beam lock to each other. The slabsystem adjoining the beams can be fixed to them simply and the tightening meansdoes not hamper the installation of the slab system.
    The solution according to the invention can also be easily connected to prior-artsolutions, in which e.g. bracket reinforcements or corresponding are placed insidethe beam and/or column, and the beam and/or column is filled with concrete or fiber-reinforced concrete. ln connection with the casting of the slab system resting on thebeams, the aperture formed in the beams can be filled with concrete.
    The building framework according to the invention is extremely well suited for use asa composite structure, i.e. as a composite column, in single storey or multistoreyconstruction, e.g. in office premises construction or industrial facilities construction.
    Brief description of the figures ln the following, the invention will be described in more detail by the aid of anembodiment with reference to the attached drawing, wherein Fig. 1 presents one embodiment according to the invention of a joint between thecolumns 1 and 7 and a beam 4 of a building framework.
    Fig. 2 presents a cross-section of a WQ beam, which is a beam according to oneembodiment.
    Detailed description of the invention According to what is presented by Fig. 1, the building framework comprises a column1 and a beam 4 and also in one embodiment a column 7. The column 1 and/or 7 canbe by type a concrete column, a steel column or a steel column filled with concrete,i.e. a so-called composite column, but preferably the column 1 and/or 7 is a concretecolumn and most preferably a composite column. The cross-section of a column 1and/or 7 can in principle be any shape whatsoever, such as l-shaped, quadratic orround. Preferably the cross-section of a column 1 and/or 7 is quadratic.
    A column 1 and/or 7 comprises a tightening means 3. The tightening means 3 can beany known means whatsoever used in the construction industry for the fixing of twostructural components. Preferably the tightening means 3 is a bolt or a stud bolt. Thetightening means 3 can comprise a number of bolts or stud bolts. ln a preferredembodiment the tightening means 3 comprises two bolts or stud bolts. ln oneembodiment the column 1 and/or 7 comprises a tightening means support 2, to whicha tightening means 3 is fixed. The tightening means 3 is preferably pre-fixed to thecolumn 1 and/or 7 or to the tightening means support 2. The tightening means 3 isfixed to the column 1 and/or 7 or to the tightening means support 2 by welding or withsome other known joining method such as by fixing the tightening means 3 via athreaded sleeve or via a nut to the column 1 and/or 7 or to the tightening meanssupport 2. A tightening means support 2 is particularly necessary when the cross-section of the column 1 and/or 7 is quadratic or round and the column is by type asteel column or composite column. ln one embodiment an aperture and/or cut-out isformed in the tightening means support 2, from which the column 1 and/or 7 is filledwith concrete.
    The beam 4 is quadratic in its cross-sectional shape. For supporting the slab system(not presented) adjoining the beam 4, the bottom part, i.e. the bottom flange, of thebeam 4 is in one preferred embodiment wider than the sides of the beam 4, in whichcase the slab system is supported on the top surface of the bottom part of the beam4 and the beam 4 is disposed essentially inside the slab system, i.e. the beam is aso-called WQ beam. The beam 4 is a concrete beam, a steel beam or a compositebeam formed from steel and concrete. Most preferably the beam 4 is a steel beam,because then most of the beam 4 can be positioned on the same plane as the slabsystem. ln a preferred embodiment the beam 4 comprises stiffeners 5. The stiffeners5 are preferably of steel plate and they are fixed preferably by welding to the beam 4. 4 The stiffeners 5 are disposed in the beam 4 at the point of the columns 1 and/or 7such that the stiffeners 5 transfer the load from the beam 4 and/or from the column 7to the column 1 via the stiffeners 5. The stiffeners 5 also prevent concrete fromgetting inside the beam 4 during the casting of concrete. lf, however, it is desired tofill the beam 4 with concrete, holes or cut-outs can be made in a stiffener 5.
    The aperture 6 in the beam 4 is in the sides, i.e. in the web parts, of the beam. Thereis material in the bottom flange and in the top flange of the beam 4 at the point of theaperture 6. ln a preferred embodiment at the point of the aperture 6 the beam 4completely lacks webs. ln a preferred embodiment at the point of the aperture 6 thetop flange and the bottom flange of the beam 4 contain essentially just as muchmaterial as in the cross-section of the beam 4 before and after the aperture. ln one embodiment a column 7 above the beam 4 is welded to the beam 4. ln asecond embodiment the column 7 and the beam 4 comprise suitable shapes for eachother such that there is a protrusion-like means on one and a cavity or slot (notpresented) in the other and the final locking is achieved with a weld.
    The starting end and finishing end of a continuous beam can be joined to a columnwithout a torsionally rigid joint. Connecting the starting end and finishing end of abeam 4 to a column 1 can be implemented with any known beam-column jointwhatsoever or with a joint according to the invention. One known column-beam jointtype, among others, is a console plate, which supports the beam, on the column andkeeping the beam in place occurs by the aid of a slot plate. ln one embodiment the joint between the column 1 and/or the column 7 and thebeam 4 is secured with a weld.
    The beam 4 supports the slab system of the building framework. ln principle, the slabsystem can be any prior-art slab system of a building whatsoever. Preferably the slabsystem is a hollow-core slab system or concrete slabs cast into composite plates ofsteel. ln a preferred embodiment in connection with the casting of a slab or thescreeding of hollow-core slabs, the aperture 6 in a beam is filled with concrete.
    The building framework comprises at least two beams 4 and at least three columns 1per each beam. 5 lt is possible to also fit inside the column 1 and/or the column 7 and/or the beam 4 tobe used in the invention reinforcement that is per se already known and used, suchas e.g. steel bar reinforcement or some other corresponding reinforcement forstrengthening the structure. lt is obvious to the person skilled in the art that in developing the technology thebasic concept of the invention can be implemented in many different ways. Theinvention and the embodiments of it are not therefore limited to the examplesdescribed above, but instead they may be varied within the scope of the claims.
    权利要求:
    Claims (6)
    [1] 1. Building framework (8), which comprises two or more beams (4), and at least onebeam (4) is supported by at least three columns (1), the web parts of which beams(4) comprise an aperture (6) at the point of the projection of at least one column (1),characterized in that the beam (4) comprises at least one stiffener (5) that istransverse to the beam and essentially on a projection of the outer edge of thecolumn (1).
    [2] 2. Building framework according to claim 1, characterized in that a column (1) and/or(7) and/or a tightening means support (2) comprises a tightening means (3).
    [3] 3. Building framework according to claim 1 or 2, characterized in that the jointbetween the column (1) and/or the column (7) and the beam (4) is locked finally bywelding.
    [4] 4. Building framework according to any of the aforementioned claims 1-3,characterized in that the beam (4) is a WQ beam.
    [5] 5. Building framework according to any of the aforementioned claims 1-4,characterized in that the column 1 and/or 7 are composite columns.
    [6] 6. Building framework according to any of the aforementioned claims 1-5,characterized in that the aperture (6) of the beam (4) is filled with concrete.
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    同族专利:
    公开号 | 公开日
    FI20115533A0|2011-05-30|
    NO341819B1|2018-01-29|
    FI126950B|2017-08-31|
    SE538173C2|2016-03-29|
    NO20120578A1|2012-12-03|
    FI20115533A|2012-12-01|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FI105121B|1996-02-19|2000-06-15|Tuomo Juola|Building frame with joist construction|
    WO2002066760A1|2001-02-15|2002-08-29|Dean, Deberah, D.|Tubular structure and modular building assembly using the same|
    NL1031851C1|2006-05-22|2007-11-23|Peikko Finland Oy|Floor panel support method using metal beams and columns, involves inserting top end of column into opening in bottom side of beam so that it supports beam top side|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FI20115533A|FI126950B|2011-05-30|2011-05-30|Frame for a building|
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