EP1596017A2 - Verfahren zur Erhöhung der Tragfähigkeit, Steifigkeit und Schwingungsdämpfung einer Holzbalkendeckenanordnung und Holzbalkendeckenanordnung mit erhöhter Tragfähigkeit, Steifigkeit und Schwingungsdämpfung - Google Patents
Verfahren zur Erhöhung der Tragfähigkeit, Steifigkeit und Schwingungsdämpfung einer Holzbalkendeckenanordnung und Holzbalkendeckenanordnung mit erhöhter Tragfähigkeit, Steifigkeit und Schwingungsdämpfung Download PDFInfo
- Publication number
- EP1596017A2 EP1596017A2 EP05009779A EP05009779A EP1596017A2 EP 1596017 A2 EP1596017 A2 EP 1596017A2 EP 05009779 A EP05009779 A EP 05009779A EP 05009779 A EP05009779 A EP 05009779A EP 1596017 A2 EP1596017 A2 EP 1596017A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- wooden
- ceiling
- beams
- screed
- damping
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 10
- 239000011505 plaster Substances 0.000 claims description 15
- 239000002023 wood Substances 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 7
- 210000002268 wool Anatomy 0.000 claims description 5
- 238000000418 atomic force spectrum Methods 0.000 claims 2
- 238000009413 insulation Methods 0.000 abstract description 9
- 239000011810 insulating material Substances 0.000 abstract 1
- 230000000284 resting effect Effects 0.000 abstract 1
- 238000009415 formwork Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000008707 rearrangement Effects 0.000 description 3
- 238000009418 renovation Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000246 remedial effect Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/12—Load-carrying floor structures formed substantially of prefabricated units with wooden beams
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/024—Increasing or restoring the load-bearing capacity of building construction elements of basement floors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G2023/0248—Increasing or restoring the load-bearing capacity of building construction elements of elements made of wood
Definitions
- the invention relates to a method for increasing the load capacity, Rigidity and vibration damping of a wooden beam ceiling arrangement according to the preamble of claim 1 and a wooden beam ceiling arrangement with increased load capacity, Stiffness and vibration damping according to the preamble of Claim 4.
- the invention has for its object to provide a method for Increasing load capacity, rigidity and vibration damping a wooden beam ceiling arrangement as well as a wooden beam ceiling arrangement with increased load capacity, rigidity and Specify vibration damping, which refers to measures on the Restrain underside of an existing wooden beamed ceiling and an opening and coring of the compartments unnecessary.
- This task is in a method according to the preamble of claim 1 by the features of this claim and in a wooden beam ceiling arrangement according to the preamble of the claim 4 solved by the features of that claim.
- a static reinforcement of load-bearing wooden beams by clamping the wooden beams reached with wooden planks.
- the wooden planks are aligned in the axial direction of the wooden beams and positioned at a distance to the supporting wooden beams.
- full-thread screws are used for shear-resistant screwing through the wooden plank at an angle, or vertically to screwed in the top of the wooden beams, alternately in the middle area oblique to a vertical and in the support area both obliquely directed from below to the respective support as also perpendicular.
- the full thread screws thus form connecting means, the statically considered the tension- and pressure-resistant diagonal bars of a Hidden truss with wooden beams as upper flange and represent wood plank as a lower flange. While in the middle Area only oblique bars are present, must be off Mounting reasons near the support a change of Truss system from only oblique bars to vertical Pressure rods and oblique to the support pointing Switzerlandstäben respectively.
- the static system represents one by elevation and shear reinforcement prestressed wooden beams used in utility and Break load case a prestressed concrete analogous carrying behavior shows because the pair of forces from the predominantly pressurized upper wooden beams and the tensile lower Wooden plank forms a larger lever arm and thus essential can record higher moments than before.
- the spacer between beam and screed can be replaced by the existing plaster on substructure or a newly arranged Made of wood wool lightweight panel.
- Under the wooden planks can a springy suspended underside to be ordered.
- the wooden planks take over the function of a safe and better oriented substructure for the lower ceiling and at the same time form compartments for damping the cavity between plaster and planking to improve the Sound insulation.
- the advantage of the method according to the invention and the wooden beam ceiling arrangement is that as a result of stiffening the effectiveness of conventional measures to improve the air and impact sound insulation additionally is increased, or that in an old, may not more so viable wood beam ceiling arrangement in the first place the said conventional measures to improve the Air and impact protection are feasible.
- the existing wooden beam ceiling made of load-bearing wooden beams 10 with a floor covering 12 on the top, a Gefach whllung 14, and a Sparschalung with plaster base 16 and plaster 18 on the bottom.
- the existing saving formwork with plaster base 16 and plaster 18 as Spacer for a wooden plank attached to the underside 20, the original with the wooden beams 10 Wooden beam ceiling bolted by screws 22 shear-resistant is.
- plaster does not exist on plaster base and saving formwork, e.g. on a visible wooden beam ceiling or in the production new wooden beamed ceilings, so is suitable as a spacer a wood wool lightweight panel of thickness 25 to 40 mm in particular, because their perforation to even better Damping the Beamfache leads.
- the wooden planks 20 form a well-aligned substructure for a spring-suspended ceiling soffit 24 and a sufficient space for the arrangement of sound-absorbing Materials 26.
- Fig. 2 shows the representation of the mounting operation for undervoltage the wooden beam 10 with wooden planks 20.
- a pre-drilled Bohle is vertical by means of formwork support 28 and hydraulic pushed up. This transmits the power over the Spacers, e.g. Plaster 18 and saving formwork 16 or one Wood wool lightweight panel, in the wooden beams above 10. The existing deflection of the wooden beam 10 is doing partially or completely reduced.
- the reaction force is via a load distribution 30 is displaced to a larger area of the floor 32, to reduce deflection of the floor 32.
- FIG. 3 is an exaggerated representation of the deflection of Wood beam 20 and wooden beams 10, the wooden beams 10 and the wood plank 20 are bent upwards.
- the wooden beam 10 and the wood plank 20 are bolted shear-resistant, the screws 22 in the middle beam area oblique rods form and to the supports 36, 3B towards vertical pressure bars and oblique to the supports pointing Gystäben switch.
- the change to vertical pressure bars is for assembly reasons required because of the walls in the area of Supports 36, 38 a diagonal fitting from below, from the support directed away, not realizable.
- Fig. 4 shows a graphical representation of the deflection over the load of a beam without undervoltage and undervoltage, which was determined in a load test attempt. In both cases results in a linear load deformation behavior without permanent deformation at multiple loads.
- the measure according to the invention leads in the load deformation test to a doubling of rigidity the single bar. This leads to the conclusion that the carrying capacity the beamed ceiling is significantly improved. Thereby can also be old and maybe not like that anymore load-bearing beam cross-sections, especially for larger spans a very cost effective and economical improvement of the support system can be achieved.
- Fig. 5 shows the cross section through a wooden beam 10 with a spaced apart and with the wooden beams 10th Schubfest bolted wooden plank 20.
- the voltage curve is shown in the wooden beam 10 would occur without composite.
- the right representation shows the voltage curve of the composite system of wooden beams 10 and shear-resistant wooden plank 20.
- the figure shows that the invention by the load transfer also too a voltage rearrangement leads, despite doubling the external stress spares the old wooden beams 10 and the new Bohle 20 according to their calculable load capacity.
- Fig. 6 shows a graphic representation of the airborne sound insulation over the frequency. It is recognizable that in the authoritative Frequency range between 100 and 3150 Hz the airborne sound insulation the original ceiling due to the undervoltage clearly is improved.
- Fig. 7 shows a graphic representation of the impact sound level above the frequency also for a conventional beamed ceiling and an underfloor ceiling with soft flooring. Again, within the relevant frequency range, the Significant improvement in the impact sound protection visible.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
- Rod-Shaped Construction Members (AREA)
- Vibration Prevention Devices (AREA)
- Floor Finish (AREA)
Abstract
Description
- Fig. 1
- einen Querschnitt durch eine erfindungsgemäße Holzbalkendeckenanordnung,
- Fig. 2
- eine Darstellung eines Montagevorgangs zur Unterspannung von Holzbalken durch Holzbohlen,
- Fig. 3
- einen Verbund aus einem schubfest mit einer Holzbohle verschraubten Holzbalken,
- Fig. 4
- eine grafische Darstellung der Durchbiegung über der Last bei einem Balken ohne und mit Unterspannung,
- Fig. 5
- eine grafische Darstellung des Spannungsverlaufs im Querschnitt eines Holzbalkens ohne und mit Unterspannung,
- Fig. 6
- eine grafische Darstellung der Luftschalldämmung über der Frequenz für eine konventionelle und eine unterspannte Holzbalkendecke und
- Fig. 7
- eine grafische Darstellung des Trittschallpegels über der Frequenz ebenfalls bei einer konventionellen Holzbalkendecke und einer unterspannten Decke.
Claims (7)
- Verfahren zur Erhöhung der Tragfähigkeit, Steifigkeit und Schwingungsdämpfung einer Holzbalkendeckenanordnung, dadurch gekennzeichnet, dass tragende Holzbalken einer vorhandenen Decke statisch ertüchtigt werden, indem unterhalb des Balkens eine Holzbohle über Abstandshalter parallel zum Holzbalken positioniert wird,
dass durch eine vertikal nach oben gerichtete Kraft, die mittig in die Holzbohle und über die Abstandshalter auch in den Holzbalken eingeleitet wird, die vorhandene Durchbiegung des Holzbalkens reduziert wird,
dass dann die Holzbohle mit dem Holzbalken schubfest verschraubt wird, damit nach dem Lösen der äußeren Kraft der Balken durch die schubfest verbundene Bohle vorgespannt wird und eine Last- und Spannungsumlagerung auf den neuen Verbundquerschnitt erfolgt und
dass diese Verfahrensschritte nacheinander bei allen Holzbalken der Decke wiederholt werden. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass zur schubfesten Verbindung von Bohle und Balken Vollgewindeschrauben schräg und senkrecht nach oben durch die Holzbohle und in den Holzbalken geschraubt werden, damit ein versteckter Fachwerkträger mit Balken und Bohle als Ober- und Untergurt entsteht und
dass die Vollgewindeschrauben hinsichtlich Anzahl und Abstand dem Querkraftverlauf und den Montagebedingungen am Auflager folgen. - Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, dass unterhalb der Bohlen eine federnd abgehängte Unterdecke mit Hohlraumbedämpfung montiert wird.
- Holzbalkendeckenanordnung mit erhöhter Tragfähigkeit, Steifigkeit und Schwingungsdämpfung, dadurch gekennzeichnet, dass unter einer vorhandenen Holzbalkendecke jeweils unterhalb des Balkens eine Holzbohle über Abstandshalter parallel zum jeweiligen Holzbalken positioniert ist,
dass durch eine vorübergehend vertikal nach oben gerichtete, mittig in die Holzbohle und über die Abstandshalter auch in den Holzbalken eingeleitete Kraft eine vorhandene Durchbiegung des Holzbalkens reduziert und
dass die Holzbohle mit dem Holzbalken schubfest verschraubt ist. - Holzbalkendeckenanordnung nach Anspruch 4, dadurch gekennzeichnet, dass die schubfeste Verschraubung von Bohle und Balken aus schräg und senkrecht nach oben verlaufenden Vollgewindeschrauben besteht, die einen versteckten Fachwerkträger mit Balken und Bohle als Ober- und Untergurt bilden und dass die Vollgewindeschrauben hinsichtlich Anzahl und Abstand dem Querkraftverlauf und den Montagebedingungen am Auflager folgen.
- Holzbalkendeckenanordnung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass der Abstandshalter zwischen Balken und Bohle durch den vorhandenen Putz auf Unterkonstruktion oder eine neu anzuordnende Holzwolleleichtbauplatte gebildet ist.
- Holzbalkendeckenanordnung nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass unterhalb der Bohlen eine federnd abgehängte Unterdecke mit Hohlraumbedämpfung montiert ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004022860 | 2004-05-06 | ||
DE102004022860 | 2004-05-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1596017A2 true EP1596017A2 (de) | 2005-11-16 |
EP1596017A3 EP1596017A3 (de) | 2007-04-11 |
EP1596017B1 EP1596017B1 (de) | 2010-06-30 |
Family
ID=34936137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05009779A Not-in-force EP1596017B1 (de) | 2004-05-06 | 2005-05-04 | Verfahren zur Erhöhung der Tragfähigkeit, Steifigkeit und Schwingungsdämpfung einer Holzbalkendeckenanordnung und Holzbalkendeckenanordnung mit erhöhter Tragfähigkeit, Steifigkeit und Schwingungsdämpfung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1596017B1 (de) |
AT (1) | ATE472641T1 (de) |
DE (1) | DE502005009811D1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20101609A1 (it) * | 2010-09-06 | 2012-03-07 | Masci Roberto Di | Struttura a volta cava perfezionata |
CN102587684A (zh) * | 2011-12-31 | 2012-07-18 | 北京筑福建设工程有限责任公司 | 既有框架建筑采用并联隔震支座加固的安装托换方法 |
CN113389397A (zh) * | 2021-06-17 | 2021-09-14 | 北京工业大学 | 一种适用于木结构节点的变形放大型摩擦耗能雀替 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034224A2 (de) * | 1980-02-15 | 1981-08-26 | Emergo Chemical Coating, N.V. | Verfahren zum Verstärken von Holzbalken und so erhaltene Balken |
GB2150969A (en) * | 1983-12-06 | 1985-07-10 | Dinardo And Partners | Restoring and strengthening of timber components |
WO1999015796A1 (de) * | 1997-09-22 | 1999-04-01 | Sfs Industrie Holding Ag | Schraube zur befestigung von latten aus holz auf einem dach- oder wandunterbau |
GB2343902A (en) * | 1998-11-06 | 2000-05-24 | Monarflex Acoustic Systems Lim | Sound proof batten with fibrous mat for floor support |
FR2813335A1 (fr) * | 2000-08-31 | 2002-03-01 | T D P | Dispositif de renovation des structures bois |
-
2005
- 2005-05-04 EP EP05009779A patent/EP1596017B1/de not_active Not-in-force
- 2005-05-04 AT AT05009779T patent/ATE472641T1/de active
- 2005-05-04 DE DE502005009811T patent/DE502005009811D1/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034224A2 (de) * | 1980-02-15 | 1981-08-26 | Emergo Chemical Coating, N.V. | Verfahren zum Verstärken von Holzbalken und so erhaltene Balken |
GB2150969A (en) * | 1983-12-06 | 1985-07-10 | Dinardo And Partners | Restoring and strengthening of timber components |
WO1999015796A1 (de) * | 1997-09-22 | 1999-04-01 | Sfs Industrie Holding Ag | Schraube zur befestigung von latten aus holz auf einem dach- oder wandunterbau |
GB2343902A (en) * | 1998-11-06 | 2000-05-24 | Monarflex Acoustic Systems Lim | Sound proof batten with fibrous mat for floor support |
FR2813335A1 (fr) * | 2000-08-31 | 2002-03-01 | T D P | Dispositif de renovation des structures bois |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20101609A1 (it) * | 2010-09-06 | 2012-03-07 | Masci Roberto Di | Struttura a volta cava perfezionata |
CN102587684A (zh) * | 2011-12-31 | 2012-07-18 | 北京筑福建设工程有限责任公司 | 既有框架建筑采用并联隔震支座加固的安装托换方法 |
CN102587684B (zh) * | 2011-12-31 | 2015-03-04 | 北京筑福国际工程技术有限责任公司 | 既有框架建筑采用并联隔震支座加固的安装托换方法 |
CN113389397A (zh) * | 2021-06-17 | 2021-09-14 | 北京工业大学 | 一种适用于木结构节点的变形放大型摩擦耗能雀替 |
Also Published As
Publication number | Publication date |
---|---|
DE502005009811D1 (de) | 2010-08-12 |
EP1596017A3 (de) | 2007-04-11 |
EP1596017B1 (de) | 2010-06-30 |
ATE472641T1 (de) | 2010-07-15 |
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