EP3130713B1 - Structure and method for construction of a structure - Google Patents
Structure and method for construction of a structure Download PDFInfo
- Publication number
- EP3130713B1 EP3130713B1 EP15002367.9A EP15002367A EP3130713B1 EP 3130713 B1 EP3130713 B1 EP 3130713B1 EP 15002367 A EP15002367 A EP 15002367A EP 3130713 B1 EP3130713 B1 EP 3130713B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- precast concrete
- joint
- receptacle
- double
- connecting means
- 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.)
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Links
- 238000000034 method Methods 0.000 title description 5
- 238000010276 construction Methods 0.000 title description 2
- 239000011178 precast concrete Substances 0.000 claims description 186
- 239000000463 material Substances 0.000 claims description 46
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 4
- 238000009415 formwork Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009974 thixotropic effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 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
- 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
- E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
- E04B1/483—Shear dowels to be embedded in concrete
Definitions
- the invention relates to a structure of the type specified in the preamble of claim 1.
- the DE 25 59 310 A1 discloses a device for producing a tensile strength connection between two precast reinforced concrete parts.
- the prefabricated parts have tie rods with open hooks at one end to be embedded in the prefabricated parts.
- the tie rods are connected to one another via a chain link.
- the bottom of the recordings in which the Chain link is arranged, falls to the facing outer sides of the precast concrete parts.
- the JP H09-328854 A discloses a connection of precast concrete elements forming floor slabs.
- From the JP 59-096347 A shows a connection of prefabricated concrete floor slabs in which the precast concrete parts are connected to one another via a connecting element that bridges the joint and is welded to the reinforcement elements of the precast concrete parts.
- the invention is based on the object of creating a structure of the generic type which has a simple structure and is simple to manufacture.
- the precast concrete parts of the structure have receptacles for at least one connecting means bridging the joint.
- a first section of the connecting means is arranged in a first receptacle in the first precast concrete part, which is filled with filling material
- a second section of the connecting means is arranged in a second receptacle in the second precast concrete part, which is also filled with filling material.
- the connection of the precast concrete parts with the connecting means is carried out exclusively via the backfill material.
- An additional fixed connection of the precast concrete parts with the connecting means is not provided.
- the connecting means can be positioned in the receptacles after the precast concrete parts have been positioned in relation to one another.
- the connecting means advantageously does not protrude into the joint, so that the precast concrete parts can also be easily positioned relative to one another.
- the same filling material that is also used to fill the joint is advantageously provided as the filling material for the connecting means in the receptacles.
- the filling material is in particular a mortar, advantageously rigid plastic mortar (thixotropic) or grouting mortar. In particular when using rigid plastic mortar, the time-consuming sealing of the joint can be omitted. Due to the fixed connection of the precast concrete parts via the filling material and the connecting means, both tensile forces and compressive forces can be transmitted in all three spatial directions via the joint.
- the precast concrete elements advantageously form walls and / or supports of the structure.
- the connecting means is a rigid connecting means.
- the connecting means is preferably a double-headed anchor. Large forces can be transmitted via double head anchors.
- the heads of the double-headed anchor ensure that the double-headed anchor is well anchored in the backfill material.
- the first head of the double-headed anchor is advantageously a part of the first section of the connecting means and is arranged in the first receptacle, and the second head of the double-headed anchor is a part of the second section and is arranged in the second receptacle.
- a first head of the Double head anchor is arranged in the first receptacle, the double head anchor protrudes through the second precast concrete part and the second head of the double head anchor is arranged in a third precast concrete part in a third receptacle.
- This allows three precast concrete parts to be connected to one another in a simple manner. This is particularly advantageous when fixing wall sections to an intermediate wall arranged perpendicular thereto.
- the precast concrete elements are advantageously parts of a wall of the structure.
- the connecting means can, however, also be a rod or the like which has no head or only one head at one end.
- At least one receptacle advantageously has means for positioning the connecting means in the receptacle before the receptacle is filled with filling material and the connecting means is thereby fixed in the receptacle.
- the receptacle is advantageously designed so that the connecting means positions itself in the receptacle, in particular centers itself. As a result, the effort for the arrangement and positioning of the connecting means in the receptacle is very low.
- a simple design results when the bottom of the at least one receptacle rises from the lowest point in the direction of the two opposite outer sides of the structure.
- a curved or V-shaped course of the base of the receptacle is advantageously provided.
- the receptacle can be open to an outside of the structure and rise to the outside of the structure. The connecting means can thereby easily fall into the receptacle.
- the first and second receptacles advantageously have openings filled with filling material which open into the joint and through which the connecting means protrudes.
- the joint is advantageously bridged exclusively via the at least one connecting means and the filling material. Additional reinforcing bars, for example reinforcing bars extending in the longitudinal direction of the joint, are advantageously not provided. The erection of the structure is simplified.
- the first and second receptacles are made exclusively of the material of the Precast concrete parts are closed.
- the filling material is only visible at the end of the joint.
- At least one receptacle is advantageously made so large that the connecting means can be arranged completely in the receptacle before the receptacle is filled with filling material.
- the precast concrete elements can thus be easily positioned in relation to one another, as no elements protrude into the joint. After the positioning of the precast concrete parts to one another, the at least one connecting means can be pushed into the receptacle of the other precast concrete part until the connecting means bridges the joint.
- the connecting means is advantageously arranged in a central region of the joint in relation to the width of the joint.
- the middle area of the joint is an area that extends over a maximum of 50% of the width of the joint and is at a distance from each outer side that is at least 25% of the width of the joint.
- the connecting means is preferably arranged approximately in the middle of the joint. However, it can also be provided that the connecting means is arranged off-center in the central area.
- the width of the joint advantageously corresponds to the width of a precast concrete part that adjoins the joint at the end.
- the connecting means is accordingly advantageously arranged centrally in this precast concrete part based on the width of a precast concrete part adjoining the joint at the end.
- a single connecting means is provided over the width of the joint.
- two connecting means are advantageously provided over the width of the joint.
- the connecting means are advantageously arranged close to the surface, that is to say at a comparatively small distance from an outside of the building. A larger number of connecting means can also be advantageous.
- the position of the at least one connecting means can be selected suitably and adapted to the forces to be transmitted.
- the floor has at least one profile with at least one receptacle.
- the profiling can be chosen so that a toothing of the base of the receptacle with the connection means, for example with the edge of the head of a double-headed anchor, results in the longitudinal direction of the connecting means. This achieves a high level of strength in the structure. At the same time, it is prevented that the connecting means can move impermissibly in the receptacle when the receptacle is filled with backfill material.
- At least one of the precast concrete parts advantageously has a profile in the area delimiting the joint.
- a good interlocking of the filling material with the precast concrete part can be achieved through the profiling.
- the profiling is advantageously designed so that forces can be transmitted in all three spatial directions via the profiling.
- a profile with trapezoidal elevations is advantageously provided, which is arranged in a depression of the precast concrete part running in the longitudinal direction of the joint.
- the connecting means is arranged with a first section in the first receptacle and with a second section in the second receptacle and the receptacles are then filled with filling material.
- the arrangement of the connecting means in the receptacles in such a way that a first section is arranged in the first receptacle and a second section is arranged in the second receptacle can advantageously take place after the precast concrete parts have been positioned relative to one another.
- At least one of the receptacles advantageously has an opening to the outside of the structure and the connecting means is moved through the opening into the receptacle after the precast concrete parts have been positioned relative to one another.
- the connecting means preferably has a marking projecting onto the outside of the structure, for example a flag or the like that is fixed on the connecting means and protruding through the joint. In this way, a visual check can be made in a simple manner as to whether connecting means are arranged in all receptacles and whether the connecting means are correctly positioned.
- the identification advantageously also allows a check to be made as to whether the correct type of connecting means is positioned in the receptacles.
- the connecting means is arranged completely in the first receptacle before the precast concrete parts are positioned relative to one another and, after the precast concrete elements have been positioned relative to one another, is moved with its second section into the second receptacle.
- a marking projecting onto the outside of the precast concrete parts is advantageously provided, which allows a control from the outside to determine whether the connecting means is correctly positioned in both receptacles. This can be, for example, a flag attached to one end of the connecting means, which, when the connecting means is correctly positioned, protrudes a predetermined length from the joint.
- the joint is advantageously also filled with the filling material at the same time. As a result, no additional work step is required for filling the receptacle with filling material.
- a reusable recess body can advantageously be provided to produce the receptacle in the precast concrete parts.
- the recess body preferably has a hard core and a flexible outer part into which the hard core can be pushed. Due to the flexibility of the outer part, the recess body can be easily removed from the precast concrete part after the hard core has been removed.
- the sections of the concrete components delimiting the joint preferably also have a profile.
- the profiling is advantageously designed in such a way that forces can be transmitted in all three spatial directions. This can be achieved by appropriately inclining the side walls of the profiling, for example by profiling that is trapezoidal in cross section.
- the profiling on the end faces delimiting Areas of the concrete components can be produced in a simple manner by means of a reusable formwork body.
- a reusable formwork body Instead of reusable formwork, lost recess-forming formwork remaining in the precast concrete part and structure can be provided.
- the lost shell bodies can for example consist of plastic or metal.
- connecting means in particular a double-headed anchor or for example a straight rod, preferably made of steel, is used as the connecting means, a small width of the joint can be achieved. This reduces the joint space and the amount of backfill material required.
- Fig. 1 shows a sectional view through a building 1.
- the building 1 comprises a first precast concrete part 2 and a second precast concrete part 3, which are connected to one another at a joint 4.
- the joint 4 is delimited by a vertically running end face 27 of the first precast concrete part 2 and a vertically running end face 28 of the second precast concrete part 3.
- Fig. 1 shows a vertical section through the building 1.
- the first precast concrete part 2 has a receptacle 5, and the second precast concrete part 3 has a receptacle 6.
- the receptacles 5 and 6 are arranged opposite one another at the joint 4 and open into the joint 4 with openings 23
- a connecting means preferably a rigid connecting means, is arranged in the receptacles 5 and 6 and projects through the joint 4.
- a double-headed anchor 7 is provided as the connecting means.
- the double head anchor 7 has a first section 20, which is arranged in the first receptacle 5, and a second section 21, which is arranged in the second receptacle 6 of the second precast concrete part 3.
- An intermediate third section 29 of the double-headed anchor 7 protrudes through the joint 4.
- the first section 20 comprises a first head 10 of the double-headed anchor 7, and the second section 21 comprises a second head 11 of the double-headed anchor 7.
- the double-headed anchor 7 has a longitudinal center axis 9 which runs perpendicular to the joint 4.
- the receptacles 5 and 6 are filled with filling material 8.
- the joint 4 is also filled with filling material 8.
- the same filling material 8 is preferably provided for the receptacles 5 and 6 and for the joint 4. However, different filling materials can also be provided.
- Mortar in particular grouting mortar or thixotropic mortar, is preferably provided as the filling material 8.
- the two precast concrete parts 2 and 3 are firmly connected to one another via the double-headed anchor 7. Tensile and compressive forces can be transmitted in all three spatial directions between the precast concrete parts 2 and 3 via the double-headed anchor 7.
- the Figs. 2 to 4 illustrate the production of the structure 1.
- the precast concrete parts 2 and 3 are positioned relative to one another, as in FIG Fig. 2 is indicated schematically by the arrow 12.
- the precast concrete parts 2 and 3 already have the receptacles 5 and 6 for the double-headed anchor 7.
- the precast concrete parts 2 and 3 are positioned so that the receptacles 5 and 6 are arranged opposite one another.
- the accuracy requirements for the position of the receptacles 5 and 6 with respect to one another are preferably very low.
- the manufacturing tolerances for the height of the receptacles 5 and 6 with respect to one another are advantageously so great that deviations in the height of one receptacle 5 to the other receptacle 6 from a multiple of the diameter of the double-headed anchor 7 are permissible.
- desired deviations in the height can be provided by up to several centimeters in order to create space for special installations, special recesses, additional reinforcement or the like.
- the double head anchor is, as in Fig. 3 is indicated schematically by the arrow 13, arranged in the receptacles 5 and 6 only after the precast concrete parts 2 and 3 have been positioned relative to one another.
- the arrangement is such that the double head anchor 7 protrudes through the openings 23 and the joint 4 and the first head 10 is arranged in the first receptacle 5 and the second head 11 in the second receptacle 6.
- Fig. 4 is indicated schematically, the joint 4 and the receptacles 5 and 6 are then filled with filling material 8. After the filling material 8 has hardened, the precast concrete parts 2 and 3 are firmly connected to one another via the filling material 8 and the double-headed anchor 7.
- Fig. 5 shows the design of the structure 1 in detail.
- the precast concrete parts 2 and 3 are shown with a dash-dotted line and the boundaries of the receptacles 5 and 6 with a solid line.
- the precast concrete parts 2 and 3 each have a profile 14, 15 on their end faces 27 and 28.
- the profiles 14 and 15 are each arranged in a central recess 30 on the end faces 27 and 28 running in the vertical direction of the structure 1 and each through a plurality of elevations 19 trapezoidal in cross section are formed.
- the trapezoidal elevations 19 form a toothing extending in the vertical direction on the end faces 27, 28. Due to the trapezoidal shape, forces can be transmitted in the horizontal and vertical directions via the profiles 14 and 15. In addition, forces perpendicular to the plane of the precast concrete parts 2 and 3 can be transmitted via the walls of the depressions 30.
- the receptacles 5 and 6 each have an opening 24 which is open to an outside 16 of the precast concrete parts 2 and 3.
- the receptacles 5 and 6 extend from the opening 24 into the precast concrete parts 2 and 3 and downward.
- the receptacles 5 and 6 each have a base 17.
- the receptacles 5 and 6 are provided with a plurality of grooves 18 running perpendicular to the longitudinal center axis 9 of the double-headed anchor 7 in the area in which the double-headed anchor 7 is arranged.
- the grooves 18 form a profile of the bottom 17 of the receptacles 5 and 6 and of the peripheral area adjoining them.
- the Figures 6 to 9 show the first precast concrete part 2 in section.
- the second precast concrete part 3 is designed accordingly.
- the receptacle 5 has a deepest point 22. Starting from the deepest point 22, which in the exemplary embodiment is arranged approximately in the middle of the precast concrete part 2, the floor 17 rises both to the outside 16 and to the opposite, closed outside 26 becomes an automatic Positioning of the double head anchor 7 in the receptacles 5 and 6 achieved. At the same time, it is prevented that the double-headed anchor 7 can fall out of the receptacles 5 and 6 before the receptacles 5 and 6 are filled.
- the bottom 17 of the receptacle 5 in the exemplary embodiment runs at an angle ⁇ to a perpendicular S, which can advantageously be 100 ° to 160 °.
- the angle ⁇ is advantageously approximately 130 ° to 140 °.
- the angle ⁇ can be selected adapted to the structural design.
- the double-headed anchor 7 is first inserted through the opening 24 into the receptacles 5 and 6.
- the double-headed anchor 7 falls into the receptacles 5 and 6 due to gravity, as in FIG Fig. 7 is indicated by the arrow 40.
- Fig. 8 shows the double-headed anchor 7 in the region of the lowest point 22 of the receptacle 5 in its end position.
- the third section 29 bridging the joint 4, which is shown in FIG Fig. 8 is shown in dashed lines, the joint 4, which corresponds to a central region of the precast concrete part 2, is arranged in a central region 25.
- the middle area 25 of the joint 4 advantageously extends over a maximum of 50% of the width b of the joint 4.
- the width b of the joint 4 corresponds to the width of the precast concrete parts 2 and 3 , 3, the third section 29 is advantageously arranged in the central region 25 of the joint 4.
- the central region 25 has the outer side 16 of the precast concrete part 2, which has the opening 24, a distance c 1 and to the opposite outer side 26 a distance c. 2
- the distances c 1 , c 2 are advantageously at least 25%, in particular at least 40% of the width b of the joint 4.
- the distances c 1 , c 2 each correspond to more than 45% of the width of the precast concrete part 2.
- the distances c are advantageous 1 , c 2 are the same size. However, different distances c 1 , c 2 can also be advantageous.
- a double-headed anchor 7 is provided, which extends through the joint 4.
- a double-headed anchor 7 over the width b of the joint 4 is advantageously provided for comparatively thin joints 4, the width of which is less than 30 cm.
- two or more double-headed anchors 7 are advantageously arranged distributed over the width b of the joint 4.
- FIG. 8 shows schematically, after the positioning of the double-headed anchor 7 in the receptacles 5 and 6, the filling material 8 is filled.
- Fig. 9 shows the receptacle 5 after filling with filling material 8. The opening 24 is closed on the outside 16 by filling material 8.
- the Figures 10 and 11 show an exemplary embodiment of a structure 31 which comprises a first precast concrete part 32 and a second precast concrete part 33, between which a joint 34 is formed.
- the first precast concrete part 32 has a first receptacle 35 and the second precast concrete part 33 has a second receptacle 36.
- Both receptacles 35 and 36 are designed to be closed on the two outer sides 26 of the structure 31.
- the receptacles 35 and 36 only have openings 23 which are open into the joint 34.
- a double-headed anchor 37 is arranged in the receptacle 35.
- Fig. 10 shows the arrangement before the positioning of the double-headed anchor 37 in both receptacles 35 and 36.
- the double-headed anchor 37 is arranged completely in the receptacle 35 before the positioning in the installation position.
- the receptacle 35 has a depth d which is slightly greater than a length e of the double-headed anchor 37.
- the double-headed anchor 37 has a diameter f which is significantly smaller than a diameter g of the receptacle 35.
- the double-headed anchor 37 can thereby be arranged completely in the receptacle 35.
- the dimensions are adapted to one another in such a way that the double-headed anchor 37 can be arranged completely in receptacle 35.
- the receptacle 36 has a depth h which is significantly smaller than the length e of the double-headed anchor 37.
- the double-headed anchor 37 is arranged completely in the first receptacle 35 in the first precast concrete part 32.
- the double-headed anchor 37 is pushed or pulled into the second receptacle 36, as indicated schematically by the arrow 48.
- a flag or the like is advantageously fixed on the double-headed anchor 37, with which the double-headed anchor 37 can be moved from the receptacle 35 into the receptacle 36.
- Fig. 11 shows the double head anchor 37 in its end position.
- a first section 38 of the double-headed anchor 37 is arranged in the first receptacle 35 and a second section 39 in the second receptacle 36.
- Fig. 12 shows an embodiment of a structure 41, which comprises a first precast concrete part 42 and a second precast concrete part 43, which are connected to one another at a joint 44.
- the precast concrete parts 42 and 43 have receptacles 45 and 46 which are each designed to be open towards the joint 44 and closed towards the outer sides 26 of the precast concrete parts 42 and 43.
- the joint 44 is bridged by a double-headed anchor 47, which is shown in Fig. 12 is arranged in its end position.
- both receptacles 45 and 46 have a depth d which is greater than a length e of the double-headed anchor 47.
- the double-headed anchor 47 can be arranged either completely in the receptacle 45 or completely in the receptacle 46 when the precast concrete parts 42 and 43 are positioned relative to one another. After the precast concrete parts 42 and 43 have been positioned relative to one another, the double-headed anchor 47 is pulled into the other receptacle until the double-headed anchor 47 protrudes through the joint 44.
- the two sections of the double-headed anchor 47 which are arranged in the receptacle 45 and the receptacle 46 are advantageously approximately the same size. It can also be provided that the double-headed anchor 37 or 47 protrudes slightly from a receptacle 35, 45, 46 when the precast concrete parts 32, 33 or 42, 43 are positioned relative to one another. In this way, a visual check can be carried out in a simple manner as to whether a double-headed anchor 37, 47 is arranged in each receptacle 35 and 45 or 46.
- the bottom of the receptacles 35, 36, 45, 46 can each have a profile that can be formed by grooves 18, for example.
- Fig. 13 shows an embodiment of a structure 51, which comprises a first precast concrete part 52 and a second precast concrete part 53, which are connected to one another at a joint 54.
- the structure 51 has a top 58.
- the precast concrete parts 52 and 53 have receptacles 55 and 56 on the end faces delimiting the joint 54.
- the receptacles 55 and 56 each have an opening 23 to the joint 54 and an opening 60 to the top 58 is open.
- the receptacles 55 and 56 are closed to the horizontally extending longitudinal sides of the structure 51.
- a double head anchor 57 can be arranged in the receptacles 55 and 56, as indicated schematically by the arrow 59.
- the double-headed anchor 57 protrudes through the joint 54 after the arrangement in the receptacles 55 and 56 and can be potted or pressed with filling material 8 in the receptacles 55 and 56.
- the Figures 14 and 15 show an exemplary embodiment of a structure 61 in which a first precast concrete part 62 is arranged with an end face 92 on a longitudinal side 93 of a precast concrete part 63.
- the precast concrete parts 62 and 63 accordingly run at right angles to one another.
- a joint 64 is formed between the precast concrete parts 62 and 63, at which the precast concrete parts 62 and 63 are connected to one another.
- a connecting means namely a double-headed anchor 67, is provided to connect the two precast concrete parts 62 and 63 to one another.
- the first precast concrete part 62 has a first receptacle 65 which is open to an outside 16 of the structure 61.
- the second precast concrete part 63 has a receptacle 66 which opens exclusively into the joint 64.
- the first receptacle 65 has an opening 69 to the outer wall 16.
- the second receptacle 66 has an opening 68 which opens into the joint 64.
- the receptacle 66 has a side wall 70 which runs obliquely to the longitudinal center axis 9 of the double-headed anchor 67. Due to the inclined position of the side wall 70, the receptacle 66 increases in the direction of the joint 64.
- the side wall 70 ends adjacent to the opening 69 at the joint 64.
- the double-headed anchor 67 can thereby be mounted in the receptacles 65 and 66 with the head 11 at an angle the receptacle 66 is inserted and then pivoted with the head 12 through the opening 69 into the receptacle 65.
- the receptacle 65 is designed with an inclined bottom 17 corresponding to the receptacles 5 and 6, so that the double-headed anchor 67 then falls into its position in the receptacles 65 and 65.
- Fig. 15 also shows the arrangement of the double-headed anchor 67 in the middle area 25 of the joint 64.
- the middle area 25 has a width i which corresponds to the outer diameter of the Joint 64 corresponds to the protruding portion of the double-headed anchor 67.
- the middle region 25 has a distance c 1 from the outside 16 of the structure 61 and a distance c 2 from the outside 26.
- the distances c 1 , c 2 are significantly greater than the width i of the central region 25.
- the distances c 1 and c 2 are the same in the exemplary embodiment. However, it can also be advantageous to design the distances c 1 and c 2 to be of different sizes.
- the distances c 1 , c 2 are advantageously at least 25% of the width b of the joint 64.
- the distances c 1 , c 2 are each more than 40% of the width b of the joint 64, and the width i is less than 20% the width b.
- the longitudinal center axis 9 of the double-headed anchor 67 is arranged centrally in the first concrete component 62 and protrudes perpendicular to the outer side 26 of the second precast concrete part 63 into the second precast concrete part 63.
- FIG. 16 shows a structure 71 which has a first precast concrete part 72 and a second precast concrete part 73 which are connected to one another at a joint 74.
- the joint 74 is formed on the end faces of the precast concrete parts 72 and 73 and runs vertically in the exemplary embodiment.
- two double-headed anchors 77 and 78 are provided over the entire height of the precast concrete parts 72 and 73.
- the number and arrangement of the double-headed anchors 77 and 78 is advantageously selected to be suitable depending on the forces and loads that occur.
- Fig. 17 shows an embodiment of a structure 81 with a first precast concrete part 82 and a second precast concrete part 83, which are connected to one another at a joint 84.
- a total of five double-headed anchors 87 to 91 are provided, via which the two precast concrete parts 82 and 83 are connected to one another at the joint 84.
- the distances between the individual double-headed anchors 87 to 91 are selected to be the same in the exemplary embodiment. However, an uneven arrangement of double-headed anchors can also be advantageous.
- Fig. 18 shows in plan view of the precast concrete parts 82 and 83
- the double-headed anchors 87 to 91 are advantageously each arranged centrally in the precast concrete parts 82 and 83.
- Fig. 19 shows a structure 101, which comprises a first precast concrete part 102 and a second precast concrete part 103 running at right angles thereto.
- the precast concrete parts 102 and 103 are connected to one another at a joint 104 through which a double-headed anchor 107 protrudes.
- the outer side 26 of the first precast concrete part 102 ends flush with an end face 105 of the second precast concrete part 103.
- Fig. 20 shows an embodiment of a structure 111 made of a first precast concrete part 112, which abuts a longitudinal side 116 of a second precast concrete part 113 at right angles.
- a double-headed anchor 117 protrudes through the joint 114.
- the second precast concrete part 113 protrudes over the two long sides 16, 26 of the first precast concrete part 112 Precast concrete part 112 addition.
- Fig. 21 shows a structure 121 which comprises a first precast concrete part 122, a second precast concrete part 123 and a third precast concrete part 125.
- the precast concrete parts 122, 123 and 125 are connected to one another via a common double-headed anchor 127.
- a first head 10 of the double-head anchor 127 is arranged in a receptacle of the first precast concrete part 122.
- the second head 11 of the double-head anchor 127 is arranged in a receptacle of the third precast concrete part 125.
- the middle section of the double-headed anchor 127 protrudes through the second precast concrete part 123 as well as a first joint 124 formed between the first precast concrete part 122 and the second precast concrete part 123 and a second joint 126 formed between the second precast concrete part 123 and the third precast concrete part 125 is perpendicular to the precast concrete parts 122 and 125 in the exemplary embodiment.
- the double-headed anchor 127 is advantageously pushed or pulled through the receptacle in the precast concrete part 123 after the precast concrete parts 122, 123 and 125 have been positioned relative to one another.
- Fig. 22 shows a structure 131 which comprises a first precast concrete part 132, a second precast concrete part 133 and a third precast concrete part 135.
- the second precast concrete part 133 is a support in the exemplary embodiment.
- a joint 134 is formed between the first precast concrete part 132 and the second precast concrete part 133, through which a double-headed anchor 137 extends.
- a joint 136 is formed between the second precast concrete part 133 and the third precast concrete part 135, through which a double-headed anchor 138 extends.
- Fig. 23 shows a structure 151 with a first precast concrete part 152 and a second precast concrete part 153, which are connected to one another at a joint 154.
- the precast concrete parts 152 and 153 are comparatively thick.
- the width b of the joint 154 is more than 30 cm.
- the joint 154 is penetrated by two double-headed anchors 157 and 158 arranged at the same height. Both double-headed anchors 157, 158 are arranged in a central region 25 of the joint 154 which has a width i.
- the width i is at most 50% of the width b of the joint 154.
- the middle region 25 has a distance c 1 or c 2 from the outer sides 16, which is advantageously at least 25% of the width b.
- the distances c 1 and c 2 are the same.
- the double-headed anchors 157 and 158 are arranged symmetrically to a center plane of the precast concrete parts 152 and 153.
- different distances c 1 and c 2 can also be advantageous.
- a double-headed anchor 157 is advantageously arranged in a receptacle which opens to the one outer side 16 of the structure 151 and the other double-headed anchor 158 is arranged in a receptacle which opens to the opposite outer side 16 of the structure 151. It can be advantageous to provide a larger number of double-headed anchors lying next to one another. However, all double-headed anchors are always arranged in the central area 25.
- Fig. 24 shows an embodiment of a structure 141 in the positioning of the precast concrete elements.
- the structure 141 has a precast concrete part 142 and a precast concrete part 144, between which a precast concrete part 143 is inserted in the direction of an arrow 145 from above.
- the precast concrete parts 142, 143 and 144 are aligned in one direction and their end faces are adjacent to one another, so that the precast concrete parts 142 to 144 one make straight wall.
- the connecting means in particular the double-headed anchors, are only positioned after the precast concrete elements have been positioned in relation to one another in such a way that they bridge the joints formed between the precast concrete elements 142 to 144, the precast concrete element 143 can easily be positioned from above between the precast concrete elements 142 and 144 .
- No fasteners are provided that protrude into the joint when the precast concrete parts are positioned relative to one another.
- panels, closure elements or the like which hold the connecting means out of the joint when the precast concrete parts are positioned relative to one another, so that no corresponding waste arises.
- the design and arrangement of the connecting means and receptacles from all exemplary embodiments can be combined in a suitable manner.
- tensile and compressive forces between the precast concrete parts can be transmitted in all spatial directions via the connecting means and the filling material in the receptacles of the precast concrete parts. The result is a solid bond between the precast concrete parts in all directions.
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Description
Die Erfindung betrifft ein Bauwerk der im Oberbegriff des Anspruchs 1 angegebenen Gattung.The invention relates to a structure of the type specified in the preamble of
Es ist bekannt, Bauwerke aus Betonfertigteilen aufzubauen, die anschließend an einer zwischen den Betonfertigteilen gebildeten Fuge miteinander verbunden werden. Aus der
Aus der
Die
Die
Aus der
Der Erfindung liegt die Aufgabe zugrunde, ein Bauwerk der gattungsgemäßen Art zu schaffen, das einfach aufgebaut ist und einfach herstellbar ist.The invention is based on the object of creating a structure of the generic type which has a simple structure and is simple to manufacture.
Diese Aufgabe wird bezüglich des Bauwerks durch ein Bauwerk mit den Merkmalen des Anspruchs 1 gelöst.With regard to the structure, this object is achieved by a structure having the features of
Für das Bauwerk ist vorgesehen, dass die Betonfertigteile des Bauwerks Aufnahmen für mindestens ein die Fuge überbrückendes Verbindungsmittel besitzen. Ein erster Abschnitt des Verbindungsmittels ist in einer ersten Aufnahme im ersten Betonfertigteil angeordnet, die mit Verfüllmaterial verfüllt ist, und ein zweiter Abschnitt des Verbindungsmittels ist in einer ebenfalls mit Verfüllmaterial verfüllten zweiten Aufnahme im zweiten Betonfertigteil angeordnet. Die Verbindung der Betonfertigteile mit dem Verbindungsmittel erfolgt ausschließlich über das Verfüllmaterial. Eine zusätzliche feste Verbindung der Betonfertigteile mit dem Verbindungsmittel ist nicht vorgesehen. Dadurch kann das Verbindungsmittel nach der Positionierung der Betonfertigteile zueinander in den Aufnahmen positioniert werden. In den Betonfertigteilen müssen lediglich die Aufnahmen für das Verbindungsmittel vorgesehen werden. Dadurch ist die Herstellung der Betonfertigteile einfach möglich. Bei der Positionierung der Betonfertigteile zueinander ragt das Verbindungsmittel vorteilhaft nicht in die Fuge, so dass auch die Positionierung der Betonfertigteile zueinander einfach möglich ist. Als Verfüllmaterial für das Verbindungsmittel in den Aufnahmen ist vorteilhaft das gleiche Verfüllmaterial vorgesehen, das auch zum Verfüllen der Fuge verwendet wird. Das Verfüllmaterial ist insbesondere ein Mörtel, vorteilhaft steifplastischer Mörtel (thixotroper) oder Vergussmörtel. Insbesondere beim Einsatz von steifplastischem Mörtel kann die aufwendige Abdichtung der Fuge entfallen. Aufgrund der festen Verbindung der Betonfertigteile über das Verfüllmaterial und das Verbindungsmittel können sowohl Zugkräfte als auch Druckkräfte in alle drei Raumrichtungen über die Fuge übertragen werden. Die Betonfertigteile bilden vorteilhaft Wände und/oder Stützen des Bauwerks.For the structure it is provided that the precast concrete parts of the structure have receptacles for at least one connecting means bridging the joint. A first section of the connecting means is arranged in a first receptacle in the first precast concrete part, which is filled with filling material, and a second section of the connecting means is arranged in a second receptacle in the second precast concrete part, which is also filled with filling material. The connection of the precast concrete parts with the connecting means is carried out exclusively via the backfill material. An additional fixed connection of the precast concrete parts with the connecting means is not provided. As a result, the connecting means can be positioned in the receptacles after the precast concrete parts have been positioned in relation to one another. Only the receptacles for the connecting means have to be provided in the precast concrete parts. This makes it easy to manufacture the precast concrete parts. When the precast concrete parts are positioned relative to one another, the connecting means advantageously does not protrude into the joint, so that the precast concrete parts can also be easily positioned relative to one another. The same filling material that is also used to fill the joint is advantageously provided as the filling material for the connecting means in the receptacles. The filling material is in particular a mortar, advantageously rigid plastic mortar (thixotropic) or grouting mortar. In particular when using rigid plastic mortar, the time-consuming sealing of the joint can be omitted. Due to the fixed connection of the precast concrete parts via the filling material and the connecting means, both tensile forces and compressive forces can be transmitted in all three spatial directions via the joint. The precast concrete elements advantageously form walls and / or supports of the structure.
Um eine hohe Stabilität des Bauwerks zu erreichen, ist vorteilhaft vorgesehen, dass das Verbindungsmittel ein starres Verbindungsmittel ist. Bevorzugt ist das Verbindungsmittel ein Doppelkopfanker. Über Doppelkopfanker können große Kräfte übertragen werden. Die Köpfe des Doppelkopfankers sichern eine gute Verankerung des Doppelkopfankers im Verfüllmaterial. Dabei ist vorteilhaft der erste Kopf des Doppelkopfankers ein Teil des ersten Abschnitts des Verbindungsmittels und in der ersten Aufnahme angeordnet, und der zweite Kopf des Doppelkopfankers ist ein Teil des zweiten Abschnitts und in der zweiten Aufnahme angeordnet. Es kann jedoch auch vorgesehen sein, dass ein erster Kopf des Doppelkopfankers in der ersten Aufnahme angeordnet ist, der Doppelkopfanker das zweite Betonfertigteil durchragt und der zweite Kopf des Doppelkopfankers in einem dritten Betonfertigteil in einer dritten Aufnahme angeordnet ist. Dadurch lassen sich auf einfache Weise drei Betonfertigteile miteinander verbinden. Dies ist insbesondere bei der Fixierung von Wandabschnitten an einer dazwischen liegenden, senkrecht hierzu angeordneten Wand vorteilhaft. Die Betonfertigteile sind vorteilhaft Teile einer Wand des Bauwerks. Das Verbindungsmittel kann jedoch auch ein Stab oder dgl. sein, der keinen oder nur einen Kopf an einem Ende besitzt.In order to achieve high stability of the structure, it is advantageously provided that the connecting means is a rigid connecting means. The connecting means is preferably a double-headed anchor. Large forces can be transmitted via double head anchors. The heads of the double-headed anchor ensure that the double-headed anchor is well anchored in the backfill material. The first head of the double-headed anchor is advantageously a part of the first section of the connecting means and is arranged in the first receptacle, and the second head of the double-headed anchor is a part of the second section and is arranged in the second receptacle. However, it can also be provided that a first head of the Double head anchor is arranged in the first receptacle, the double head anchor protrudes through the second precast concrete part and the second head of the double head anchor is arranged in a third precast concrete part in a third receptacle. This allows three precast concrete parts to be connected to one another in a simple manner. This is particularly advantageous when fixing wall sections to an intermediate wall arranged perpendicular thereto. The precast concrete elements are advantageously parts of a wall of the structure. The connecting means can, however, also be a rod or the like which has no head or only one head at one end.
Vorteilhaft besitzt mindestens eine Aufnahme Mittel zur Positionierung des Verbindungsmittels in der Aufnahme, bevor die Aufnahme mit Verfüllmaterial verfüllt und dadurch das Verbindungsmittel in der Aufnahme fixiert wird. Die Aufnahme ist vorteilhaft so ausgebildet, dass sich das Verbindungsmittel in der Aufnahme selbst positioniert, insbesondere selbst zentriert. Dadurch ist der Aufwand für die Anordnung und Positionierung des Verbindungsmittels in der Aufnahme sehr gering. Eine einfache Gestaltung ergibt sich, wenn der Boden der mindestens einen Aufnahme von der tiefsten Stelle in Richtung auf beide gegenüberliegenden Außenseiten des Bauwerks ansteigt. Vorteilhaft ist ein gebogener oder V-förmiger Verlauf des Bodens der Aufnahme vorgesehen. Dabei kann die Aufnahme zu einer Außenseite des Bauwerks geöffnet sein und bis auf die Außenseite des Bauwerks ansteigen. Das Verbindungsmittel kann dadurch auf einfache Weise in die Aufnahme hineinfallen.At least one receptacle advantageously has means for positioning the connecting means in the receptacle before the receptacle is filled with filling material and the connecting means is thereby fixed in the receptacle. The receptacle is advantageously designed so that the connecting means positions itself in the receptacle, in particular centers itself. As a result, the effort for the arrangement and positioning of the connecting means in the receptacle is very low. A simple design results when the bottom of the at least one receptacle rises from the lowest point in the direction of the two opposite outer sides of the structure. A curved or V-shaped course of the base of the receptacle is advantageously provided. The receptacle can be open to an outside of the structure and rise to the outside of the structure. The connecting means can thereby easily fall into the receptacle.
Die erste und die zweite Aufnahme besitzen vorteilhaft von Verfüllmaterial ausgefüllte Öffnungen, die in die Fuge münden und durch die das Verbindungsmittel ragt. Die Fuge ist vorteilhaft ausschließlich über das mindestens eine Verbindungsmittel und das Verfüllmaterial überbrückt. Zusätzliche Armierungsstäbe, beispielsweise sich in Längsrichtung der Fuge erstreckende Armierungsstäbe, sind vorteilhaft nicht vorgesehen. Die Errichtung des Bauwerks ist dadurch vereinfacht.The first and second receptacles advantageously have openings filled with filling material which open into the joint and through which the connecting means protrudes. The joint is advantageously bridged exclusively via the at least one connecting means and the filling material. Additional reinforcing bars, for example reinforcing bars extending in the longitudinal direction of the joint, are advantageously not provided. The erection of the structure is simplified.
Um ein ansprechendes Äußeres der Außenseite des Bauwerks zu erreichen, ist vorteilhaft vorgesehen, dass die erste und die zweite Aufnahme ausschließlich vom Material der Betonfertigteile verschlossen sind. Das Verfüllmaterial ist dadurch lediglich an den Stirnseiten der Fuge sichtbar. Vorteilhaft ist mindestens eine Aufnahme so groß ausgebildet, dass das Verbindungsmittel vor dem Verfüllen der Aufnahme mit Verfüllmaterial vollständig in der Aufnahme angeordnet werden kann. Die Betonfertigteile können dadurch einfach zueinander positioniert werden, da keine Elemente in die Fuge ragen. Nach der Positionierung der Betonfertigteile zueinander kann das mindestens eine Verbindungsmittel in die Aufnahme des anderen Betonfertigteils geschoben werden, bis das Verbindungsmittel die Fuge überbrückt.In order to achieve an attractive appearance on the outside of the structure, it is advantageously provided that the first and second receptacles are made exclusively of the material of the Precast concrete parts are closed. As a result, the filling material is only visible at the end of the joint. At least one receptacle is advantageously made so large that the connecting means can be arranged completely in the receptacle before the receptacle is filled with filling material. The precast concrete elements can thus be easily positioned in relation to one another, as no elements protrude into the joint. After the positioning of the precast concrete parts to one another, the at least one connecting means can be pushed into the receptacle of the other precast concrete part until the connecting means bridges the joint.
Vorteilhaft ist das Verbindungsmittel bezogen auf die Breite der Fuge in einem mittleren Bereich der Fuge angeordnet. Der mittlere Bereich der Fuge ist dabei ein Bereich, der sich über höchstens 50 % der Breite der Fuge erstreckt und zu jeder Außenseite einen Abstand besitzt, der mindestens 25 % der Breite der Fuge beträgt. Bevorzugt ist das Verbindungsmittel etwa mittig in der Fuge angeordnet. Es kann jedoch auch vorgesehen sein, dass das Verbindungsmittel in dem mittleren Bereich außermittig angeordnet ist. Die Breite der Fuge entspricht dabei vorteilhaft der Breite eines Betonfertigteils, das stirnseitig an die Fuge angrenzt. Das Verbindungsmittel ist demnach bezogen auf die Breite eines stirnseitig an die Fuge angrenzenden Betonfertigteils vorteilhaft mittig in diesem Betonfertigteil angeordnet. Vorteilhaft ist bei Betonfertigteilen geringer Dicke, vorteilhaft bei einer Dicke von bis zu 30 cm, über die Breite der Fuge ein einziges Verbindungsmittel vorgesehen. Bei Betonfertigteilen großer Dicke, vorteilhaft bei einer Dicke von mehr als 30 cm, sind über die Breite der Fuge vorteilhaft zwei Verbindungsmittel vorgesehen. Dabei sind die Verbindungsmittel vorteilhaft oberflächennah, also in vergleichsweise geringem Abstand zu einer Außenseite des Bauwerks, angeordnet. Auch eine größere Anzahl von Verbindungsmitteln kann vorteilhaft sein. In der Höhe des Betonfertigteils kann die Position des mindestens einen Verbindungsmittels geeignet und auf die zu übertragenden Kräfte angepasst gewählt werden.The connecting means is advantageously arranged in a central region of the joint in relation to the width of the joint. The middle area of the joint is an area that extends over a maximum of 50% of the width of the joint and is at a distance from each outer side that is at least 25% of the width of the joint. The connecting means is preferably arranged approximately in the middle of the joint. However, it can also be provided that the connecting means is arranged off-center in the central area. The width of the joint advantageously corresponds to the width of a precast concrete part that adjoins the joint at the end. The connecting means is accordingly advantageously arranged centrally in this precast concrete part based on the width of a precast concrete part adjoining the joint at the end. In the case of precast concrete parts of small thickness, advantageously with a thickness of up to 30 cm, a single connecting means is provided over the width of the joint. In the case of precast concrete parts of great thickness, advantageously with a thickness of more than 30 cm, two connecting means are advantageously provided over the width of the joint. The connecting means are advantageously arranged close to the surface, that is to say at a comparatively small distance from an outside of the building. A larger number of connecting means can also be advantageous. At the height of the precast concrete part, the position of the at least one connecting means can be selected suitably and adapted to the forces to be transmitted.
Um eine verbesserte Kraftübertragung zwischen dem Verfüllmaterial und der Aufnahme zu erreichen, ist vorteilhaft vorgesehen, dass der Boden mit mindestens einer Aufnahme mindestens eine Profilierung aufweist. Die Profilierung kann dabei so gewählt sein, dass sich in Längsrichtung des Verbindungsmittels eine Verzahnung des Bodens der Aufnahme mit dem Verbindungmittel, beispielsweise mit dem Rand des Kopfs eines Doppelkopfankers, ergibt. Dadurch wird eine hohe Festigkeit des Bauwerks erreicht. Gleichzeitig wird verhindert, dass das Verbindungsmittel beim Verfüllen der Aufnahme mit Verfüllmaterial sich in der Aufnahme unzulässig bewegen kann.In order to achieve an improved transmission of force between the filling material and the receptacle, it is advantageously provided that the floor has at least one profile with at least one receptacle. The profiling can be chosen so that a toothing of the base of the receptacle with the connection means, for example with the edge of the head of a double-headed anchor, results in the longitudinal direction of the connecting means. This achieves a high level of strength in the structure. At the same time, it is prevented that the connecting means can move impermissibly in the receptacle when the receptacle is filled with backfill material.
Vorteilhaft besitzt mindestens eines der Betonfertigteile in dem die Fuge begrenzenden Bereich eine Profilierung. Durch die Profilierung kann eine gute Verzahnung des Verfüllmaterials mit dem Betonfertigteil erreicht werden. Vorteilhaft ist die Profilierung so ausgebildet, dass über die Profilierung Kräfte in alle drei Raumrichtungen übertragen werden können. Hierzu ist vorteilhaft ein Profil mit trapezförmigen Erhebungen vorgesehen, das in einer in Längsrichtung der Fuge verlaufenden Vertiefung des Betonfertigteils angeordnet ist. Dadurch kann die Fuge an der Außenseite des Bauwerks schmal ausgebildet werden. Dadurch wird auch die benötigte Menge an Verfüllmaterial verringert.At least one of the precast concrete parts advantageously has a profile in the area delimiting the joint. A good interlocking of the filling material with the precast concrete part can be achieved through the profiling. The profiling is advantageously designed so that forces can be transmitted in all three spatial directions via the profiling. For this purpose, a profile with trapezoidal elevations is advantageously provided, which is arranged in a depression of the precast concrete part running in the longitudinal direction of the joint. As a result, the joint on the outside of the structure can be made narrow. This also reduces the amount of backfill material required.
Für ein nicht beanspruchtes Verfahren zur Herstellung eines Bauwerks mit einem ersten Betonfertigteil und einem zweiten Betonfertigteil, die an einer zwischen den Betonfertigteilen gebildeten Fuge miteinander verbunden sind, wobei die Fuge mindestens teilweise mit Verfüllmaterial verfüllt ist, und wobei das erste Betonfertigteil eine erste Aufnahme und das zweite Betonfertigteil eine zweite Aufnahme für ein Verbindungsmittel besitzt, ist vorgesehen, dass das Verbindungsmittel mit einem ersten Abschnitt in der ersten Aufnahme und mit einem zweiten Abschnitt in der zweiten Aufnahme angeordnet wird und die Aufnahmen anschließend mit Verfüllmaterial verfüllt werden. Die Anordnung des Verbindungsmittels derart in den Aufnahmen, dass ein erster Abschnitt in der ersten Aufnahme und ein zweiter Abschnitt in der zweiten Aufnahme angeordnet ist, kann dabei vorteilhaft nach der Positionierung der Betonfertigteile zueinander erfolgen.For a method not claimed for producing a building with a first precast concrete part and a second precast concrete part, which are connected to one another at a joint formed between the precast concrete parts, the joint being at least partially filled with filling material, and the first precast concrete part having a first receptacle and the second precast concrete part has a second receptacle for a connecting means, it is provided that the connecting means is arranged with a first section in the first receptacle and with a second section in the second receptacle and the receptacles are then filled with filling material. The arrangement of the connecting means in the receptacles in such a way that a first section is arranged in the first receptacle and a second section is arranged in the second receptacle can advantageously take place after the precast concrete parts have been positioned relative to one another.
Vorteilhaft besitzt mindestens eine der Aufnahmen eine Öffnung zur Außenseite des Bauwerks und das Verbindungsmittel wird durch die Öffnung in die Aufnahme bewegt, nachdem die Betonfertigteile zueinander positioniert wurden. Bevorzugt besitzt das Verbindungsmittel eine auf die Außenseite des Bauwerks ragende Kennzeichnung, beispielsweise eine am Verbindungsmittel festgelegte, durch die Fuge nach außen ragende Fahne oder dergleichen. Dadurch kann auf einfache Weise eine Sichtkontrolle darüber erfolgen, ob in allen Aufnahmen Verbindungsmittel angeordnet sind und ob die Verbindungsmittel korrekt positioniert sind. Vorteilhaft erlaubt die Kennzeichnung auch eine Kontrolle, ob der korrekte Typ von Verbindungsmittel in den Aufnahmen positioniert ist.At least one of the receptacles advantageously has an opening to the outside of the structure and the connecting means is moved through the opening into the receptacle after the precast concrete parts have been positioned relative to one another. The connecting means preferably has a marking projecting onto the outside of the structure, for example a flag or the like that is fixed on the connecting means and protruding through the joint. In this way, a visual check can be made in a simple manner as to whether connecting means are arranged in all receptacles and whether the connecting means are correctly positioned. The identification advantageously also allows a check to be made as to whether the correct type of connecting means is positioned in the receptacles.
Es kann auch vorgesehen sein, dass das Verbindungsmittel vor der Positionierung der Betonfertigteile zueinander vollständig in der ersten Aufnahme angeordnet wird und nach dem Positionieren der Betonfertigteile zueinander mit seinem zweiten Abschnitt in die zweite Aufnahme bewegt wird. Bei einem vor der Positionierung der Betonfertigteile zueinander bereits in einer Aufnahme angeordneten Verbindungsmittel ist vorteilhaft eine auf die Außenseite der Betonfertigteile ragende Kennzeichnung vorgesehen, die eine Kontrolle von außen darüber erlaubt, ob das Verbindungsmittel in beiden Aufnahmen korrekt positioniert ist. Dies kann beispielsweise eine an einem Ende des Verbindungsmittels befestigte Fahne sein, die bei korrekter Positionierung des Verbindungsmittels eine vorbestimmte Länge aus der Fuge ragt.It can also be provided that the connecting means is arranged completely in the first receptacle before the precast concrete parts are positioned relative to one another and, after the precast concrete elements have been positioned relative to one another, is moved with its second section into the second receptacle. In the case of a connecting means already arranged in a receptacle before the precast concrete parts are positioned relative to one another, a marking projecting onto the outside of the precast concrete parts is advantageously provided, which allows a control from the outside to determine whether the connecting means is correctly positioned in both receptacles. This can be, for example, a flag attached to one end of the connecting means, which, when the connecting means is correctly positioned, protrudes a predetermined length from the joint.
Vorteilhaft wird beim Verfüllen der Aufnahme gleichzeitig auch die Fuge mit dem Verfüllmaterial verfüllt. Für das Verfüllen der Aufnahme mit Verfüllmaterial wird dadurch kein zusätzlicher Arbeitsschritt benötigt.When filling the receptacle, the joint is advantageously also filled with the filling material at the same time. As a result, no additional work step is required for filling the receptacle with filling material.
Zur Herstellung der Aufnahme in den Betonfertigteilen kann vorteilhaft ein wiederverwendbarer Aussparungskörper vorgesehen sein. Bevorzugt besitzt der Aussparungskörper einen harten Kern und ein flexibles Außenteil, in das der harte Kern eingeschoben werden kann. Durch die Flexibilität des Außenteils kann der Aussparungskörper nach Entnahme des harten Kerns auf einfache Weise aus dem Betonfertigteil entformt werden. Vorzugsweise weisen auch die die Fuge begrenzenden Abschnitte der Betonbauteile eine Profilierung auf. Die Profilierung ist dabei vorteilhaft so ausgeführt, dass Kräfte in alle drei Raumrichtungen übertragen werden können. Dies kann durch entsprechende Schrägstellung der Seitenwände der Profilierung, beispielsweise durch eine im Querschnitt trapezförmige Profilierung, erreicht werden. Auch die Profilierung an den die Stirnseiten begrenzenden Bereichen der Betonbauteile kann auf einfache Weise durch einen wiederverwendbaren Schalkörper hergestellt werden. Anstatt wiederverwendbarer Schalkörper können auch verlorene, im Betonfertigteil und Bauwerk verbleibende, aussparungsbildende Schalkörper vorgesehen sein. Die verlorenen Schalkörper können beispielsweise aus Kunststoff oder aus Metall bestehen.A reusable recess body can advantageously be provided to produce the receptacle in the precast concrete parts. The recess body preferably has a hard core and a flexible outer part into which the hard core can be pushed. Due to the flexibility of the outer part, the recess body can be easily removed from the precast concrete part after the hard core has been removed. The sections of the concrete components delimiting the joint preferably also have a profile. The profiling is advantageously designed in such a way that forces can be transmitted in all three spatial directions. This can be achieved by appropriately inclining the side walls of the profiling, for example by profiling that is trapezoidal in cross section. Also the profiling on the end faces delimiting Areas of the concrete components can be produced in a simple manner by means of a reusable formwork body. Instead of reusable formwork, lost recess-forming formwork remaining in the precast concrete part and structure can be provided. The lost shell bodies can for example consist of plastic or metal.
Dadurch, dass lediglich das Verbindungsmittel, insbesondere ein Doppelkopfanker oder beispielsweise ein gerader Stab, bevorzugt aus Stahl, als Verbindungsmittel eingesetzt wird, lässt sich eine geringe Breite der Fuge erreichen. Dadurch wird der Fugenraum verkleinert und die Menge an benötigtem Verfüllmaterial verringert.Because only the connecting means, in particular a double-headed anchor or for example a straight rod, preferably made of steel, is used as the connecting means, a small width of the joint can be achieved. This reduces the joint space and the amount of backfill material required.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand der Zeichnung erläutert. Es zeigen:
- Fig. 1
- eine schematische Schnittdarstellung durch ein Bauwerk,
- Fig. 2
bis 4 - in schematischer Seitenansicht den Verfahrensablauf bei der Herstellung des Bauwerks,
- Fig. 5
- eine perspektivische Darstellung des Bauwerks im Bereich des Verbindungsmittels,
- Fig. 6
bis 9 - schematische Schnittdarstellungen durch ein Betonfertigteil des Bauwerks in unterschiedlichen Stadien der Herstellung des Bauwerks,
- Fig. 10
- eine schematische Darstellung eines Ausführungsbeispiels eines Bauwerks vor der Positionierung des Verbindungsmittels,
- Fig. 11
- das Bauwerk in einer Darstellung gemäß
Fig. 10 nach der Positionierung des Verbindungsmittels, - Fig. 12
- eine schematische Darstellung eines Ausführungsbeispiels eines Bauwerks in Schnittdarstellung,
- Fig. 13
- eine schematische Seitenansicht eines Ausführungsbeispiels eines Bauwerks,
- Fig. 14
- eine perspektivische Darstellung eines Ausführungsbeispiels eines Bauwerks,
- Fig. 15
- eine Ansicht des Bauwerks aus
Fig. 14 von oben, - Fig. 16
bis 23 - schematische Darstellungen von Ausführungsbeispielen von Bauwerken,
- Fig. 24
- eine perspektivische Darstellung eines Verfahrensschritts bei der Herstellung eines Bauwerks.
- Fig. 1
- a schematic sectional view through a building,
- Figs. 2 to 4
- a schematic side view of the process sequence in the manufacture of the structure,
- Fig. 5
- a perspective view of the structure in the area of the connecting means,
- Figures 6 to 9
- schematic sectional views through a precast concrete part of the structure in different stages of the construction of the structure,
- Fig. 10
- a schematic representation of an embodiment of a structure before the positioning of the connecting means,
- Fig. 11
- the structure in a representation according to
Fig. 10 after positioning the lanyard, - Fig. 12
- a schematic representation of an exemplary embodiment of a structure in a sectional view,
- Fig. 13
- a schematic side view of an embodiment of a structure,
- Fig. 14
- a perspective view of an embodiment of a structure,
- Fig. 15
- a view of the structure
Fig. 14 from above, - Figures 16-23
- schematic representations of exemplary embodiments of structures,
- Fig. 24
- a perspective view of a method step in the production of a building.
Die
Der Doppelkopfanker wird, wie in
Wie in
Wie
Die
Wie
Wie
Die
Auch der Boden der Aufnahmen 35, 36, 45, 46 kann jeweils eine Profilierung aufweisen, die beispielsweise durch Rillen 18 gebildet sein kann.The bottom of the
Die
Wie
Die
Wie
Die Gestaltung und Anordnung der Verbindungsmittel und Aufnahmen aus allen Ausführungsbeispielen können geeignet kombiniert werden. Bei allen Ausführungsbeispielen können über das Verbindungsmittel und das Verfüllmaterial in den Aufnahmen der Betonfertigteile Zug- und Druckkräfte zwischen den Betonfertigteilen in alle Raumrichtungen übertragen werden. Es ergibt sich ein in alle Richtungen fester Verbund der Betonfertigteile zueinander.The design and arrangement of the connecting means and receptacles from all exemplary embodiments can be combined in a suitable manner. In all exemplary embodiments, tensile and compressive forces between the precast concrete parts can be transmitted in all spatial directions via the connecting means and the filling material in the receptacles of the precast concrete parts. The result is a solid bond between the precast concrete parts in all directions.
Claims (10)
- Structure, the structure comprising a first precast concrete element (2, 32, 42, 52, 62, 72, 82, 102, 112, 122, 123, 132, 133, 142, 152) and a second precast concrete element (3, 33, 43, 53, 63, 73, 83, 103, 113, 123, 125, 133, 135, 143, 153), the precast concrete elements (2, 3, 32, 33, 42, 43, 52, 53, 62, 63, 72, 73, 82, 83, 102, 103, 112, 113, 122, 123, 125, 132, 133, 135, 142, 143, 144, 152, 153) forming walls and/or supports of the structure, the precast concrete elements (2, 3, 32, 33, 42, 43, 52, 53, 62, 63, 72, 73, 82, 83, 102, 103, 112, 113, 122, 123, 125, 132, 133, 135, 142, 143, 144, 152, 153) being joined to one another at a joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154) formed between the precast concrete elements (2, 3, 32, 33, 42, 43, 52, 53, 62, 63, 72, 73, 82, 83, 102, 103, 112, 113, 122, 123, 125, 132, 133, 135, 142, 143, 144, 152, 153), the joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154) being at least partially filled with filling material (8),
wherein at least one joining means bridging the joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154) is provided, wherein a first section (20) of the joining means is located in a first receptacle (5, 35, 45, 55, 65) filled with filling material (8) in the first precast concrete element (2, 32, 42, 52, 62, 72, 82, 102, 112, 122, 132, 142, 152) and a second section (21) is located in a second receptacle (6, 36, 46, 56, 66) of the second precast concrete element (3, 33, 43, 53, 63, 73, 83, 103, 113, 123, 133, 143, 153),
characterised in that the first precast concrete element (2, 32, 42, 52, 62, 72, 82, 102, 112, 122, 132, 142, 152) and the second precast concrete element (3, 33, 43, 53, 63, 73, 83, 103, 113, 123, 133, 143, 153) are joined by the joining means exclusively by way of the filling material (8), and in that the base (17) of the at least one receptacle (5, 6, 35, 36, 45, 46, 55, 56, 65, 66) rises from a lowest point (22) towards both opposite outsides (16, 26) of the structure (1, 31, 41, 51, 61, 71, 81, 101, 111, 121, 131, 141, 151). - Structure according to claim 1,
characterised in that the connecting means is a double-headed anchor (7, 37, 47, 57, 67, 77, 78, 87, 88, 89, 90, 91, 107, 117, 127, 137, 138, 157, 158). - Structure according to claim 1 or 2,
characterised in that the first and the second receptacle (5, 6, 35, 36, 45, 46, 55, 56, 65, 66) have openings (23, 68, 69) filled with the filling material (8), which terminate into the joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154) and through which the joining means extends. - Structure according to any of claims 1 to 3,
characterised in that the joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154) is exclusively bridged by the at least one joining means and the filling material (8). - Structure according to any of claims 1 to 4,
characterised in that at least one of the receptacles (5, 6, 45, 46, 55, 56, 65, 66) has an opening (24, 60, 69) towards an outside (16) of the structure (1, 51, 61), which opening (24, 60, 69) is closed by filling material (8). - Structure according to any of claims 1 to 4,
characterised in that the first and the second receptacle (35, 36, 45, 46) are exclusively closed by the material of the precast concrete elements (32, 33, 42, 43) on the outside (26) of the structure (31, 41). - Structure according to claim 6,
characterised in that at least one receptacle (35, 45, 46) is so large that the joining means can be completely accommodated in the receptacle (35, 45, 46) before the receptacle (35, 45, 46) is filled with filling material (8). - Structure according to any of claims 1 to 7,
characterised in that the at least one joining means is located in a central region (25) of the joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154) with respect to the width (b) of the joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154), wherein the central region (25) of the joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154) extends across no more than 50% of the width (b) of the joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154) and has from each outside (16, 26) a distance (c1, c2) amounting to at least 25% of the width (b) of the joint (4, 34, 44, 54, 64, 74, 84, 104, 114, 124, 126, 134, 136, 154). - Structure according to any of claims 1 to 8,
characterised in that the base (17) of at least one receptacle (5, 6, 65) has at least one profiling. - Structure according to any of claims 1 to 9,
characterised in that at least one of the precast concrete elements (2, 3) has a profiling (14, 15) in the region bonding the joint (4).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP15002367.9A EP3130713B1 (en) | 2015-08-08 | 2015-08-08 | Structure and method for construction of a structure |
EP20200783.7A EP3798377B1 (en) | 2015-08-08 | 2015-08-08 | Method for producing a structure |
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EP15002367.9A EP3130713B1 (en) | 2015-08-08 | 2015-08-08 | Structure and method for construction of a structure |
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EP20200783.7A Division-Into EP3798377B1 (en) | 2015-08-08 | 2015-08-08 | Method for producing a structure |
EP20200783.7A Division EP3798377B1 (en) | 2015-08-08 | 2015-08-08 | Method for producing a structure |
Publications (2)
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EP3130713A1 EP3130713A1 (en) | 2017-02-15 |
EP3130713B1 true EP3130713B1 (en) | 2020-11-18 |
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EP20200783.7A Active EP3798377B1 (en) | 2015-08-08 | 2015-08-08 | Method for producing a structure |
EP15002367.9A Active EP3130713B1 (en) | 2015-08-08 | 2015-08-08 | Structure and method for construction of a structure |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2559310A1 (en) * | 1975-12-31 | 1977-07-14 | Strabag Bau Ag | Reinforced concrete tensionally rigid connection - with chain links hung on projecting ties and hard setting material filling |
JPS5996347A (en) * | 1982-11-19 | 1984-06-02 | フドウ建研株式会社 | Connection of precast concrete floor panel |
JPH09328854A (en) * | 1996-06-10 | 1997-12-22 | Tokyu Koken Kk | Joining method of precast concrete board |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20319471U1 (en) * | 2003-12-16 | 2005-01-20 | Pfeifer Holding Gmbh & Co. Kg | Joint for prefabricated concrete sections has grooves in joint faces to receive connectors armatures with wire loops to receive tension forces |
NO328275B1 (en) * | 2007-08-01 | 2010-01-18 | Sb Produksjon As | Joining system for two building elements and method for joining two building elements. |
EP2239397B1 (en) | 2009-03-12 | 2013-08-21 | Peikko Group Oy | Device for connecting ready-mixed concrete sections |
NZ582003A (en) * | 2009-12-14 | 2011-02-25 | Illinois Tool Works | Truss and cementitious building element connected via connector ingtegral with element and accessible to connect to truss |
DE102011011414A1 (en) * | 2011-02-16 | 2012-08-16 | Drössler GmbH Umwelttechnik | concrete structure |
-
2015
- 2015-08-08 EP EP20200783.7A patent/EP3798377B1/en active Active
- 2015-08-08 EP EP15002367.9A patent/EP3130713B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2559310A1 (en) * | 1975-12-31 | 1977-07-14 | Strabag Bau Ag | Reinforced concrete tensionally rigid connection - with chain links hung on projecting ties and hard setting material filling |
JPS5996347A (en) * | 1982-11-19 | 1984-06-02 | フドウ建研株式会社 | Connection of precast concrete floor panel |
JPH09328854A (en) * | 1996-06-10 | 1997-12-22 | Tokyu Koken Kk | Joining method of precast concrete board |
Also Published As
Publication number | Publication date |
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EP3798377C0 (en) | 2024-01-03 |
EP3798377B1 (en) | 2024-01-03 |
EP3798377A1 (en) | 2021-03-31 |
EP3130713A1 (en) | 2017-02-15 |
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