EP2250323B1 - Mauerwerk mit vertikaler stahlbetonbewehrung - Google Patents
Mauerwerk mit vertikaler stahlbetonbewehrung Download PDFInfo
- Publication number
- EP2250323B1 EP2250323B1 EP09709180.5A EP09709180A EP2250323B1 EP 2250323 B1 EP2250323 B1 EP 2250323B1 EP 09709180 A EP09709180 A EP 09709180A EP 2250323 B1 EP2250323 B1 EP 2250323B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- masonry
- load bearing
- reinforcement
- bearing structure
- infilling
- 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.)
- Active
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- 239000011150 reinforced concrete Substances 0.000 title description 6
- 238000005728 strengthening Methods 0.000 title description 4
- 230000002787 reinforcement Effects 0.000 claims description 92
- 239000000463 material Substances 0.000 claims description 46
- 238000005266 casting Methods 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 2
- 239000011440 grout Substances 0.000 claims 1
- 239000012779 reinforcing material Substances 0.000 claims 1
- 238000009414 blockwork Methods 0.000 description 17
- 239000004567 concrete Substances 0.000 description 14
- 238000011068 loading method Methods 0.000 description 11
- 239000002184 metal Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000013521 mastic Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
- E04B2/24—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4178—Masonry wall ties
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2002/0202—Details of connections
- E04B2002/0243—Separate connectors or inserts, e.g. pegs, pins or keys
- E04B2002/0254—Tie rods
Definitions
- a windpost generally consists of a steel column secured at its top and base to the building frame or another suitable load-bearing structure. This form of construction brings with it the following disadvantages:
- Our invention seeks to replace the windpost and to achieve increased strength and ductility within the wall panel.
- AU 74220 81 (B W Pittman) discloses a wall constructed using courses of hollow interlocking masonry units. Upright ties extending between a footing and a wall plate pass through the hollow masonry units and are tensioned to compress at least some of the units in the courses.
- the reinforced cementitious material strengthens the masonry infill against transverse loading/deflection and helps to secure the panel within the load bearing structure.
- the reinforced cementitious material e.g. reinforced concrete
- the load bearing support may be a foundation, or another part of the load bearing structure, for example a beam.
- the body may be secured to or within a beam which forms a part of the load bearing structure above or within the masonry infill.
- the reinforced cementitious material may be used instead of a wind post, without requiring expansion joints frame ties, mastic, fire protection, sound insulation or dedicated isolated access during construction.
- the reinforcement may comprise steel bar (e.g. "rebar").
- the optimum or acceptable relative section areas of the concrete and steel and the positioning of the bars in the cavity may be calculated in accordance with standard engineering principles for beams and columns subjected to point and/or distributed loading, taking into account design service conditions such as anticipated impact and wind loading, etc.
- the reinforced cementitious material will key to the interiors of the hollow blocks and their presence can therefore be taken into account when determining the size and position of the steel bars. Allowance must be made for any reduction in compressive strength caused by the presence of any mortar joints in the masonry.
- the masonry is preferably laid in mortar or like bonding/bedding material. Solid masonry units may be used in regions of the masonry infill away from the cavity.
- the lower end of the reinforcement may be received in a body secured to the load bearing support so as to permit longitudinal sliding movement of the reinforcement lower end in the body, whilst constraining movement of the reinforcement in a direction transversely of the infill.
- the lower end of the reinforcement may be built into the load bearing support, e.g. fixed in concrete forming the load bearing support.
- the body may comprise a socket in which the end (upper or lower, as applicable) of the reinforcement is received.
- the socket may be formed in a metal body inserted (e.g. cast) into the load bearing structure/support.
- the load bearing structure or load bearing support is a metal (e.g. steel) frame
- the socket may be formed in a cleat secured (e.g. bolted) to the frame.
- the reinforcement may be a sliding fit in the socket (e.g. there may be a total radial clearance of 1mm or less for a rebar of 16 mm diameter). This allows relative longitudinal movement to take place between the reinforcement and the socket, thereby accommodating differential expansion between the masonry infill and the load bearing structure. Suitable boots, seals or sealant may be applied to prevent the wet cementitious material from entering the socket as the cementitious material is cast.
- the reinforcing bar ends engage the interior sides of the sockets and transfer the transverse loads to the load bearing structure. Under such loading, the reinforcing bars will tend to bow so as to produce a reactive moment at the socket. Reaction forces from the sockets at the bar ends and the stiffness of the surrounding masonry tend to restrain and prevent excessive lateral movement of the masonry.
- the upper course or edge of the masonry infill may be secured to the load bearing structure by other means besides the attachment at the reinforcement.
- Fixings which are conventional in themselves, such as metal brackets and head restraints, can be used for this purpose.
- Mortar beds between courses may also be reinforced by means which are conventional as such, for example using metal wire or mesh.
- reinforcements such as rebars or suitably shaped elongate metal brackets may be embedded in the cementitious material in the cavity, with one or both of their ends extending into the masonry bed joints.
- brackets or reinforcements may extend to one side, to both sides, or to either side alternately, of the cavity, in each course, in every other course, in every third course, etc, depending upon the degree of reinforcement demanded by the particular service conditions of the masonry infill concerned.
- More than one reinforced cementitious material filled cavity as described above can be provided, thereby providing effective reinforcement of horizontally long masonry infills, or at free vertical edges of apertures formed in a masonry infill.
- the reinforcement may comprise shorter lengths secured together end-to-end or overlapped to provide effective longitudinal securement, so that the hollow masonry units do not have to be threaded over the entire length of the reinforcement as the infill is constructed.
- the first length of the reinforcement is secured to the load bearing support, and further lengths are added upwardly as the infill is built up.
- the cavity can be filled with cementitious material to encase the reinforcement as each masonry course is laid; or after two or more courses have been laid; or after the entire infill is otherwise complete. It is preferred that the cementitious material is not allowed to fully cure between successive pours, to eliminate cold jointing and promote bonding into a unitary whole. Threaded connections can be used to secure the lengths of reinforcement end-to-end, but generally the overlapping securing method is preferred.
- the masonry infill may also comprise a reinforced cementitious material (e.g. concrete) casting extending parallel to a course of masonry units.
- the reinforced cementitious material casting may comprise a bond beam formed within a course of hollow masonry units. These units may have a U-shaped cross-sectional profile within which the reinforcement (e.g. rebars) is placed, and within which the cementitious material of the bond beam is contained whilst it cures and afterwards.
- One or both ends of the reinforcement for the casting may be secured to the load bearing structure. Bodies secured to the load bearing structure in a similar manner to those used to secure the upper end of the above-described reinforcement, may be used to secure the or each end of the cementitious material casting to the load bearing structure.
- One or more courses of masonry above and/or below the cementitious material of the bond beam may be tied into the cementitious material by reinforcements extending into the cementitious material and into mortar filled spaces in or between the units of masonry in these courses.
- reinforcements extending into the cementitious material and into mortar filled spaces in or between the units of masonry in these courses.
- rebar or suitably shaped elongate metal brackets may be cast into the cementitious material so as to extend into the vertical mortar joints (perpends or "perps") in the adjacent course or courses above and/or below.
- selected U-shaped blocks may be provided with holes in their bases, allowing the rebar or elongate brackets to pass downwardly into perpends of the course below, as well as upwardly from between the limbs of the U into the course above.
- the rebar or brackets may be assembled from shorter lengths joined end-to-end as building of the infill progresses, in similar way to the advantageous form of cementitious material reinforcement described above. In this way, the rebars or brackets may extend through and tie several courses of masonry above and/or below to the cementitious material casting or bond beam.
- the elongate brackets may be generally L-shaped, having a horizontal support foot which rests against the blockwork course below and stabilses the bracket against an adjacent block before it is built into the masonry.
- the invention correspondingly provides a method of constructing a masonry infill in a load bearing structure, as defined in claim 15.
- Figure 1 depicts a front elevation of a half-hollow masonry unit in the form of a building block 1 through which modular reinforcement (rebar) 2 can be placed vertically in the hollow portion 3.
- rebar modular reinforcement
- Figure 2 is a plan view of the half-hollow block 1 shown in Figure 1 with the vertical reinforcement 2 located centrally within the hollow 3 and the hollow backfilled with a cementitious mix, e.g. 40 N/mm 2 premixed concrete.
- a cementitious mix e.g. 40 N/mm 2 premixed concrete.
- Figure 3 illustrates a section of the bottom of a bonded masonry infill wall 50 embodying the invention.
- the wall is formed from the half-hollow blocks 1 described above and standard solid blocks 1b bedded in mortar or similar material to form joints 1a.
- a receptor cleat 5 is shown fixed to a floor or floor slab 16 forming a load bearing support.
- the load bearing support may be a beam, for example part of a building frame.
- the lower end of a modular section of reinforcement 2 is placed into the receptor cleat. Alternatively this end may be cast directly into the load bearing support 16 where the latter is made from concrete, for example.
- the bottom four courses of blocks are then laid in the normal manner, with the half-hollow blocks 1 placed over the reinforcement, such that the hollow aligns vertically with the block below to form a continuous vertical cavity containing the reinforcement.
- the modular reinforcement 2 is shown with a threaded connector 4 screwed onto its threaded upper end.
- a threaded lower end of the next modular reinforcement (not shown) is screwed into the connector to provide a continuous and full strength connection.
- Transfer rods or L-shaped brackets 9 are located in every second bed joint, with the shorter leg protruding out/down into the cavity which is then backfilled with a cementitious mix such as concrete. Other spacings of brackets/transfer rods 9 may be used, as appropriate to the degree of reinforcement required.
- the brackets/transfer rods assist in transferring shear stress between the reinforced cementatious material in the cavity 3 and the surrounding blockwork, e.g. under transverse loading of the wall.
- FIG. 3a The structure shown in Figure 3a is similar to that shown in Figure 3 , except that the sections of modular reinforcement, rather than being secured together with threaded connectors 4, are placed with their ends overlapping, preferably by tying the next section of reinforcement to the previous one before the resulting joint is encased in the blockwork being laid.
- Wire ties 2a or other suitable means are used to secure the overlapped reinforcement ends together temporarily before they are encased in and permanently held together by the cured cementitious mix.
- the length of the overlap is made sufficient so that tensile stress in one section of reinforcement can be transmitted via shear stress at the interface to the surrounding cementitious matrix and then to the next section of reinforcement, without shear failure occurring between the matrix and the reinforcement ends (i.e.
- the length of overlap may be as specified in local building codes. For example 50x rebar diameter may be typical. This form of joining the modular reinforcement sections may be used in place of the threaded connectors 4 wherever those are mentioned in this document.
- Figure 4 illustrates a section of the top of a bonded masonry infill wall embodying the invention.
- a receptor cleat 6 (which may be substantially the same as the receptor cleat 5; although other arrangements are also possible, as further discussed below in conjunction with Figures 7 and 8 ) is shown fixed to the soffit 18 of a load bearing structure in which the masonry infill 50 is being constructed.
- the upper end of a modular section of reinforcement 2 is placed into the receptor cleat 6.
- the thread on the lower end 7 of this reinforcement section may be long enough to fully accommodate a connector 4 (not shown) so that this may then be screwed down onto the upper end of the modular reinforcement section below (not shown).
- a backing nut can be used if required, to form a rigid, play-free joint.
- the uppermost connector 4 may be screwed up from the lower reinforcement section onto the adjacent uppermost reinforcement section.
- the overlapping joining method can be used for the sections of modular reinforcement, as described above with reference to Figure 3a .
- the upper end of the uppermost length of reinforcement 2 is poked into the receptor cleat 6 before the wire ties 2a are secured.
- the top four courses of blocks are then laid in the normal manner, using half-hollow blocks 8 with no end wall, placed into position around the reinforcement so that the hollow aligns vertically with that of the block below.
- the threaded end 7 of the uppermost modular reinforcement section screws into the connector of the modular reinforcement below, or the two plain ends are overlapped (not shown in Figure 5 ), to provide a continuous and full strength connection.
- Transfer rods or L-shaped brackets 9 are again located in every second bed joint, with the shorter leg protruding down into the cavity which is then backfilled with the cementitious mix. Throughout the height of the infill, other spacings of brackets/transfer rods 9 may be used, as appropriate to the degree of reinforcement required.
- Figure 5 depicts a plan view of the half-hollow block 8 with no end wall, with the vertical reinforcement 2 located centrally within the hollow 3 and the hollow backfilled with the cementitious mix.
- Figure 6 depicts an elevation of the half-hollow block 8 with no end wall which can be placed around the reinforcement 2 so that this extends vertically and substantially centrally in the hollow portion 3. The absence of the end wall ensures that this placement remains possible even when the corresponding reinforcement section 2 is secured at either end, between the cleat and the next lower reinforcement section.
- Figure 7 depicts an example of a receptor cleat 5 for locating the vertical reinforcement 2 in the desired position within the cavity at the base of the wall formed by the masonry infill.
- the reinforcement is preferably located substantially in the centre of the cavity formed by the vertically aligned hollow parts of the hollow blocks 1.
- This particular example shows a receptor cleat 5 comprising a tubular socket 20 welded to a base plate 22 which can then be fixed to the floor slab or other load bearing support 16, using appropriate fasteners such as bolts, expansion bolts, etc.
- the reinforcement fits snugly in the tubular socket but this allows for longitudinal sliding to accommodate shrinkage etc.
- Figure 8 depicts an example of a modified receptor cleat 6 for locating the vertical reinforcement 2 at the desired location (e.g. substantially in the centre) in the vertical cavity at the head of the wall.
- This particular example shows a tube 24 welded to a base plate 20 which can then be bolted or otherwise fixed with appropriate fasteners to the soffit.
- the tube wall has a semi-cylindrical cut-away portion extending from its free end towards the base plate, over a substantial portion of its length.
- the reinforcement sits within the remaining semi-circular section 26 of the tube which gives it restraint against lateral loading at least in one direction, but allows sufficient access/tolerance to enable the modular reinforcement 2 to be connected to the modular section below as well as accommodate head deflections, shrinkage, expansion etc.
- the uppermost modular reinforcement section can therefore be fitted to the adjacent section without the need to screw the connector 4 up and then down or down and then up as described above.
- Figure 9 depicts a transfer rod or L-shaped bracket 9 which has a short leg 11 and a long leg 12 and a series of perforations 10 which, when built into a wall, allow the mortar / concrete etc to pass through, providing shear resistance.
- the bracket 9 may be used, as shown in and described with reference to Figures 3, 3a and 4
- Figure 10 shows a portion of the masonry infill or wall 50 which accommodates both a reinforced concrete filled vertical cavity 3 and a course of hollowed out, U-shaped cross-section masonry units or blocks 30 for accommodating a bond beam 31.
- a pair of horizontally extending rebars 32 are suspended one above the other in the open channel formed by the U-profile blocks 30 as this course is laid.
- the channel is filled with concrete or other cementitious material to form the bond beam and the next course can then be laid.
- L-shaped brackets or transfer rods 34 may extend from the horizontal channel into the perpends of the adjacent courses. These may be similar to the brackets 9 of Figure 9 .
- Solid blocks 1b may be used in regions of the wall away from the reinforced concrete filled vertical cavity 3 and the bond beam filled horizontal channel in the U-profile blocks 30.
- the ends of the rebars 32 are slidingly fitted into tubular sockets 36 welded to a base plate 40 of a further cleat 38.
- the cleat 38 is similar to the cleat 5, and its base plate 40 may be fixed to an adjacent load bearing structure, e.g. the frame of a building, prior to fitment of the rebars and pouring of the bond beam concrete. In this way, one or both ends of the bond beam may be secured to the load bearing structure.
- the load bearing structure is formed from concrete, the body of the cleat may be cast into this structure.
- Brackets 34 may be provided, similar to the brackets 9 of Figure 9 .
- Figure 12 shows a modification of Figure 11 , in which the brackets 34 are replaced by L-shaped transfer rods 2a, having threaded ends that may each be connected to one or more further modular rebar sections 2 in series, by threaded connectors 4. Alternatively, some or all of these joints may be formed by overlapping rebar ends, as described above with reference to Fig. 3a . In this way, the bond beam may be tied to one or more adjacent masonry courses, both above and below. Vertical holes may be provided in the blockwork where the rebar sections and transfer rods 2, 2a pass through away from perpends, and into which the rebar sections/transfer rods are grouted or mortared as the blockwork is built up.
- the lower transfer rods 2a may have their ends bent over or partly bent over to form the final L-shape after placement of the corresponding U-profiled block 30, or the hole in the base of the block and/or the radius of the bend in the rod 2a may be configured to allow the block to be threaded over the upper, free end of the rod 2a as the block 30 is laid.
- Figure 13 is similar to Figure 10 , but shows the vertical cavity 3 filled with reinforced cementitious material e.g. concrete, used to strengthen the free vertical edge of blockwork adjacent to an opening 42, such as a window, door or service opening. Such edge strengthening may be required for higher transverse design loadings on the blockwork, for example loadings over 5 kPa.
- the vertical edge of the opening is formed by hollow half blocks 1c which alternate course by course with the half hollow blocks 1, to provide the vertical cavity 3 extending through the courses adjacent to the opening 42.
- the modular reinforcement 2 can terminate in the bond beam, where design loads allow.
- L-shaped transfer rods 2a such as shown in Figure 12 can be used to terminate the vertically extending, modular reinforcement 2 in the bond beam.
- the bond beam may terminate in the course of blockwork above the opening 42 (e.g. at or slightly beyond the side of the cavity 3 opposite to the opening 42) to form a lintel above the opening 42.
- the lower end of the vertical edge reinforcement can similarly be terminated in a bond beam where appropriate, e.g. in the case of a window or service opening.
- the upper or lower part of the reinforcement 2 shown in Figure 10 can terminate in the bond beam; or indeed both ends of such a vertical reinforcement can terminate in a bond beam.
- Figure 14 is similar to Figure 4 , but shows alternative elongate shear transfer brackets 9a. These have a central portion embedded in the cementitious material in the vertical cavity 3, with opposed end parts extending into the blockwork on either side of the cavity 3.
- the vertical spacing of the brackets 9a can again be varied, depending upon the degree of reinforcement required.
- the length of the bracket can similarly be varied.
- the bracket 9a may be of a generally standardised form as shown on Figure 15 . As shown, it has a short foot part 44 extending at right angles to a main shank 46. It is provided with apertures 10 similar to those of the bracket 9, and for the same purpose.
- a notch 48 is cut into the shank extending from one edge across to the midline, to accommodate inter alia the modular reinforcement 2.
- a similar notch 52 is cut into the opposite edge of the shank, for a purpose explained below.
- the standard bracket 9a can also be used as a stress transfer member in a bond beam, as shown in Figure 16 .
- the foot 44 is used to support the bracket with the shank 46 propped vertically against an adjacent block le, immediately before the bracket is built into the blockwork. When built in, the foot lies in a bed joint and the adjacent part of the shank lies in a perpend. (As used in Fig. 14 , of course, the foot 44 lies in a perpend and the shank in a bed joint. The foot is not necessary in the arrangement shown in Fig. 14 , but is preferred so as to keep the different kinds of brackets required to a minimum).
- the remainder of the shank 46 extends through an opening 54 in the base of the U-profiled block 30a, so as to traverse the cavity in which the bond beam is to be formed.
- the distal end of the shank 46 projects upwardly beyond the top edges of the block 30a a significant distance, so that it can be built into a perpend of the next course of blockwork immediately above the bond beam.
- the courses of blockwork above and below the bond beam are tied to the bond beam, with the brackets 9a helping to transfer shear loads or other stresses between the bond beam and the surrounding blockwork.
- the notches 48 and 52 can be used to accommodate and support bond beam rebars 32 in the correct position within the bond beam cavity, before the bond beam concrete or other cementitious material is cast and cured.
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- Architecture (AREA)
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
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Claims (15)
- Lasttragende Struktur (18) mit einem Füllmauerwerk (1, 1c, 8, 50), das hohle Mauersteine (1, 1c, 8) umfasst, die dazu ausgelegt sind, einen Hohlraum (3) zu definieren, der sich durch benachbarte Schichten des Mauerwerks erstreckt, wobei der Hohlraum mit bewehrtem zementartigem Material gefüllt ist und ein unteres Ende einer Bewehrung (2) des zementartigen Materials an einem lasttragendem Träger (16) befestigt ist;
dadurch gekennzeichnet, dass die lasttragende Struktur (18) vorher vorhanden ist und ein Körper (6) an der vorher vorhandenen lasttragenden Struktur (18) befestigt ist und ein oberes Ende der Bewehrung (2) so aufnimmt, dass er eine Gleitbewegung des oberen Endes der Bewehrung in dem Körper in Längsrichtung zulässt, während er eine Bewegung der Bewehrung in einer Richtung quer zu dem Füllmauerwerk beschränkt. - Lasttragende Struktur (18) mit einem Füllmauerwerk (1, 1c, 8, 50) nach Anspruch 1, wobei das untere Ende der Bewehrung (2) in einem weiteren Körper (5) aufgenommen ist, der an dem lasttragendem Träger (16) so befestigt ist, dass er eine Gleitbewegung des oberen Endes der Bewehrung in dem weiteren Körper in Längsrichtung zulässt, während er eine Bewegung der Bewehrung in einer Richtung quer zu dem Füllmauerwerk beschränkt, oder wobei das untere Ende der Bewehrung (2) in den lasttragendem Träger (16) eingebaut ist.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach einem der vorhergehenden Ansprüche, wobei der Körper (6) einen Sockel umfasst, in dem das zusammenwirkende Ende der Bewehrung (2) aufgenommen wird.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach Anspruch 3, wobei der Körper (6) in die lasttragende Struktur (18) eingebettet ist oder wobei der Körper (6) eine Klemme umfasst.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach Anspruch 3 oder 4, wobei die Bewehrung (2) sich in den Sockel einschieben lässt.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach einem der Ansprüche 3-5, wobei Überzüge, Dichtungen oder Dichtungsmittel angewendet werden, um zu verhindern, dass Material in den Sockel gelangt, während das zementartige Material gegossen wird.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach einem der vorhergehenden Ansprüche, wobei die obere Schicht oder der Rand des Füllmauerwerks an der lasttragenden Struktur (18) durch andere Mittel außer der Befestigung an der Bewehrung mit zementartigem Material befestigt ist.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach einem der vorhergehenden Ansprüche, wobei das Füllmauerwerk einen Guss (31) aus bewehrtem zementartigem Material umfasst, der sich parallel zu einer Schicht der Mauersteine (1, 1b) erstreckt.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach Anspruch 8, wobei der Guss (31) aus bewehrtem zementartigem Material einen Verbundträger umfasst, der innerhalb einer Schicht von hohlen Mauersteinen (30) ausgeformt ist.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach Anspruch 8 oder 9, wobei eine oder mehrere Schichten des Mauerwerks (1, 1b) über und/oder unter dem zementartigen Material des Gusses (31) an das zementartige Material durch Bewehrungen (2a, 34) angebunden sind, die sich in das zementartige Material und in mit Mörtel oder Feinmörtel gefüllte Zwischenräume in oder zwischen den Mauersteinen in diesen Schichten erstrecken.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach Anspruch 10, wobei die schichtanbindenden Bewehrungen (2a) aus kleineren Längen von Bewehrungsmaterial zusammengesetzt sind.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach einem der vorhergehenden Ansprüche, wobei Bewehrungen (9) in das zementartige Material in dem Hohlraum (3), der sich durch benachbarte Schichten erstreckt, eingebettet sind, wobei die herausragenden Enden der eingebetteten Bewehrung sich in Lagerfugen (1a) des Mauerwerks hinein erstrecken.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach einem der vorhergehenden Ansprüche, wobei die Bewehrung (2) in dem Hohlraum, der sich durch benachbarte Schichten erstreckt, kürzere Längen umfasst, die zusammenwirken, um Zuglasten zu tragen.
- Lasttragende Struktur (18) mit einem Füllmauerwerk (50) nach einem der vorhergehenden Ansprüche, wobei der Hohlraum (3), der sich durch benachbarte Schichten erstreckt, neben einem sich vertikal erstreckenden freien Rand einer Öffnung (42), die in dem Füllmauerwerk ausgeformt ist, verläuft.
- Verfahren zum Aufbau einer Mauerwerksfüllung (50) in einer lasttragenden Struktur (18), wobei das Verfahren die folgenden Schritte umfasst:Setzen hohler Mauersteine (1), um einen Hohlraum (3), der sich durch benachbarte Schichten der Mauerwerksfüllung erstreckt, zu definieren und Füllen des Hohlraums mit bewehrtem zementartigem Material,wobei ein unteres Ende einer Bewehrung (2) des zementartigen Materials an einem lasttragenden Träger (16) befestigt ist;dadurch gekennzeichnet, dass die lasttragende Struktur (18) vorher vorhanden ist und ein Körper (6) an der vorher vorhandenen lasttragenden Struktur (18) befestigt ist, undein oberes Ende der Bewehrung (2), das in dem Körper aufgenommen ist, in Längsrichtung gleiten kann; und der Körper eine Bewegung der Bewehrung in einer Richtung quer zu der Mauerwerkfüllung beschränkt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0802109.9A GB0802109D0 (en) | 2008-02-05 | 2008-02-05 | Masonry with reinforced concrete strenghtening |
PCT/GB2009/000292 WO2009098446A2 (en) | 2008-02-05 | 2009-02-04 | Masonry with vertical reinforced concrete strengthening |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2250323A2 EP2250323A2 (de) | 2010-11-17 |
EP2250323B1 true EP2250323B1 (de) | 2014-05-07 |
Family
ID=39204271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09709180.5A Active EP2250323B1 (de) | 2008-02-05 | 2009-02-04 | Mauerwerk mit vertikaler stahlbetonbewehrung |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100325998A1 (de) |
EP (1) | EP2250323B1 (de) |
AU (1) | AU2009211249B2 (de) |
CA (1) | CA2714391A1 (de) |
GB (1) | GB0802109D0 (de) |
NZ (1) | NZ587283A (de) |
WO (1) | WO2009098446A2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1395762B1 (it) * | 2009-08-20 | 2012-10-19 | Casciere | Sistema per la posa di struttura portante. |
US8225578B2 (en) * | 2010-01-11 | 2012-07-24 | Mohammad Reza Azizi Ronagh | Flexible interlocking mortarless wall unit and construction method |
GB2485397B (en) | 2010-11-12 | 2013-07-03 | Wembley Innovation Ltd | Reinforced masonry panel structures |
CA2784844A1 (en) * | 2011-08-08 | 2013-02-08 | Casey Moroschan | Mortarless hollow core block wall construction system |
EP2935715B1 (de) | 2012-12-21 | 2018-02-14 | Wembley Innovation Ltd | Konstruktionsverfahren für verstärkte betonsteinmauer |
GB2509149B (en) * | 2012-12-21 | 2017-08-16 | Wembley Innovation Ltd | Reinforced blockwork construction method |
US10760273B1 (en) * | 2018-01-17 | 2020-09-01 | Alexander Innovations, Llc | Apparatus and methods for providing continuous structural support to footings and interconnected hollow core wall units |
GB2576964B (en) * | 2019-04-17 | 2020-09-09 | Peter Dann Ltd | Modular structure and connection method |
US20220259876A1 (en) * | 2021-02-15 | 2022-08-18 | CFS Materials, LLC | Wall Reinforcement Systems |
CN113175071A (zh) * | 2021-04-06 | 2021-07-27 | 湖北省工业建筑集团有限公司 | 一种绿色环保建筑施工方法 |
HUP2200166A1 (hu) * | 2022-05-19 | 2023-11-28 | Tamas Hajba | Mûanyag-építõelem-készlet falszerkezetek készítésére, valamint eljárás falszerkezetek létesítésére az építõelemkészlettel |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1924724A (en) * | 1932-02-15 | 1933-08-29 | Charles M Read | Concrete wall and method of building and finishing same |
US2929236A (en) * | 1955-03-29 | 1960-03-22 | Steward Construction Company | Building wall construction |
US3145505A (en) * | 1960-11-30 | 1964-08-25 | Ivan G Cornelius | Reinforcement rod positioning and support clip |
US3782061A (en) * | 1972-03-23 | 1974-01-01 | A Minutoli | Concrete building construction with improved post tensioning means |
US4034529A (en) * | 1976-06-03 | 1977-07-12 | Lampus Donald L | Rebar bolster for solid grouted walls |
IN149804B (de) * | 1977-09-23 | 1982-04-24 | Insulock Corp | |
US4190999A (en) * | 1978-04-25 | 1980-03-04 | Hampton Ralph C | Locator for vertical reinforcing bars |
AU7422081A (en) * | 1980-08-18 | 1982-02-25 | Pittman, B.W. | Wall construction |
US4726567A (en) * | 1986-09-16 | 1988-02-23 | Greenberg Harold H | Masonry fence system |
AU606565B2 (en) * | 1988-05-05 | 1991-02-07 | N.V. Bekaert S.A. | Reinforcing apparatus for a masonry wall, as well as masonry wall |
US5379562A (en) * | 1993-02-01 | 1995-01-10 | Hohmann Ronald P | Flow-through cap and stirrup for reinforcement bars and method of use thereof |
US5890332A (en) * | 1997-01-17 | 1999-04-06 | Skidmore; Lester J. | Reconstituted wood block modular building system |
US6240688B1 (en) * | 1997-12-12 | 2001-06-05 | Bradley S. Dressler | Holder for adjustable positioning of reinforcing rods |
US6571526B2 (en) * | 2001-02-21 | 2003-06-03 | Frankie A. R. Queen | Concrete masonry unit (CMU) vertical reinforcement and anchor bolt positioning device |
US7448179B2 (en) * | 2004-04-28 | 2008-11-11 | Northland Concrete & Masonry | Rebar reinforced masonry wall system and method |
US8061095B2 (en) * | 2008-06-20 | 2011-11-22 | Larry Bucheger | Wall system |
-
2008
- 2008-02-05 GB GBGB0802109.9A patent/GB0802109D0/en not_active Ceased
-
2009
- 2009-02-04 NZ NZ587283A patent/NZ587283A/xx not_active IP Right Cessation
- 2009-02-04 CA CA2714391A patent/CA2714391A1/en not_active Abandoned
- 2009-02-04 AU AU2009211249A patent/AU2009211249B2/en not_active Expired - Fee Related
- 2009-02-04 US US12/735,668 patent/US20100325998A1/en not_active Abandoned
- 2009-02-04 WO PCT/GB2009/000292 patent/WO2009098446A2/en active Application Filing
- 2009-02-04 EP EP09709180.5A patent/EP2250323B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
WO2009098446A3 (en) | 2009-10-15 |
EP2250323A2 (de) | 2010-11-17 |
WO2009098446A2 (en) | 2009-08-13 |
US20100325998A1 (en) | 2010-12-30 |
CA2714391A1 (en) | 2009-08-13 |
AU2009211249A1 (en) | 2009-08-13 |
AU2009211249B2 (en) | 2014-03-20 |
GB0802109D0 (en) | 2008-03-12 |
NZ587283A (en) | 2012-12-21 |
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