CN101238258A - Floor-ceiling structure - Google Patents
Floor-ceiling structure Download PDFInfo
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- CN101238258A CN101238258A CNA2006800291458A CN200680029145A CN101238258A CN 101238258 A CN101238258 A CN 101238258A CN A2006800291458 A CNA2006800291458 A CN A2006800291458A CN 200680029145 A CN200680029145 A CN 200680029145A CN 101238258 A CN101238258 A CN 101238258A
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- 210000003205 muscle Anatomy 0.000 claims description 82
- 230000008093 supporting effect Effects 0.000 claims description 34
- 239000000203 mixture Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 13
- 239000007787 solid Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000000295 complement effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000644 propagated effect Effects 0.000 description 7
- 238000009408 flooring Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Classifications
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/18—Means for suspending the supporting construction
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
- Building Environments (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A floor-ceiling structure between an upper story floor board and a lower story ceiling board, comprising a plurality of floor joists disposed in a specific direction in the state of being arranged roughly parallel with each other, side joists disposed at positions for holding the floor joists in the specific direction in the state of being arranged parallel with these floor joists, end joists which are disposed at positions for holding the floor joists in a direction crossing perpendicularly to the specific direction and to which the end parts of the side joists and the floor joists are fixed, and a ceiling beam for suspending the ceiling board disposed across the end joists so as to be roughly parallel with the side joists. At least one joist among a joist group formed of the side joists and the plurality of floor joists is supported by the wall of the upper story or the lower story, and the ceiling beam is installed only near the wall.
Description
Technical field
The present invention relates to floor-ceiling structure (floor-ceilingstructure), particularly soundproof well behaved floor-ceiling structure by a plurality of wall supportings.
Background technology
In recent years, in housing construction, replace the flooring structure of joined floorboards on the skeleton of timber and adopt the flooring structure (steel dwelling house) of joined floorboards on the skeleton that frame material and beam material by shape system form.This steel dwelling house is because the skeleton that uses frame material and beam material by shape system to form, so can improve resistance to vibration and durability.
In addition, (below be called floor-ceiling structure) under the situation of flooring structure as the floor, border (separation floor) on the border of the levels of tenement-house of the skeleton that such frame material and beam material that has by shape system formed, though the flooring structure of the skeleton of ratio timber in the past has improvement, but because the raising of customer's requirement needs soundproof countermeasure.Particularly, need when the people jump or during walking to the countermeasure of the impulsive sound of generation downstairs (below be called weight floor impulsive sound) etc.
As the reduction method of general weight floor impulsive sound, there is (1) to increase the method for the weight of flooring structure, the method that (2) increase the flexural rigidity of flooring structure.In addition, as making floor vibration behind the impact force action decay, suppress the method for sense of discomfort rapidly, there are (3) to give method of floor vibration damping etc.And then, also can use the method for these (1), (2), (3) simultaneously.
In patent documentation 1, a kind of ceiling structure and building are disclosed, following ceiling structure and building are provided, and promptly the parts number of packages does not have to increase and does not influence pipe arrangement in the space in the floor, disperses the vibration of weight floor impulsive sound vibration mode upstairs and reduce weight floor impulsive sound to downstairs with ceiling.
In patent documentation 1 described ceiling structure and building, by the hammer parts on the furred ceiling muscle that is installed in ceiling panel, disperse the vibration of weight floor impulsive sound vibration mode upstairs with ceiling panel, reduced weight floor impulsive sound to downstairs, because the hammer parts are installed on the furred ceiling muscle of ceiling panel, so there is not to increase the component count that is used for installing these hammer parts, and owing to the space in the ground board is not closed fully, so has the effect that can not influence the pipe arrangement in the ground board.And then, owing to being installed, the circumference of hammering the ceiling panel of parts into shape is installed on the floor joists via vibration-proof rubber, so the vibration of ceiling panel disperses to become more effective, can access the further effect that improves of effect of the reduction weight floor impulsive sound that produces by the hammer parts.
In addition, in patent documentation 2, a kind of soundproof ceiling structure is disclosed, when impacting for light weight and weight can both suppress when impacting particularly can improve the sound insulation in the low-frequency region from reducing the floor impulsive sound to downstairs transfer of vibration upstairs.
In patent documentation 2 described soundproof ceiling structures, can obtain following effect, promptly in vibration when the ceiling base material passes to ceiling components via Suspension, can have the vibration attenuation effect and significantly reduce the level of vibration of the ceiling components that produces because of the solid propagation by antivibrating parts.
And then, in patent documentation 3, the ceiling Suspension of the vibration that can absorb bigger frequency band is disclosed.
Use in the Suspension at patent documentation 3 described ceilings, have the upside installing component on the beam that is installed in the ceiling back side and extend from this upside installing component one side direction below and the downside installing component by the substrate of end portion supporting ceiling, on the linking portion of above-mentioned upside installing component and above-mentioned downside installing component, possess the damper parts, wherein, because above-mentioned damper parts possess the different a plurality of vibration-proof rubbers of absorption of vibrations frequency band, so can access the effect of the vibration that can absorb big frequency band.
But, in any structure of patent documentation 1～patent documentation 3, need additional hammer parts or in elastomeric inside, enclose fluid or the different vibration-proof rubber of collapsed configuration hardness.Therefore, though at a place be seldom parts or the increase of cost, along with structure becomes big, parts number of packages and cost also can rise sharp.
[patent documentation 1] spy opens the 2002-121856 communique
[patent documentation 2] spy opens flat 10-183849 communique
[patent documentation 3] spy opens the 2003-313987 communique
Summary of the invention
The purpose of this invention is to provide and a kind ofly can reduce the floor impulsive sound significantly and not need the floor-ceiling structure of the increase and the complicated design of parts at bigger frequency band.
To achieve these goals, the present invention is a kind of floor-ceiling structure, places between the ceiling of the floor on upper strata and lower floor, and it possesses: a plurality of floor joists (floor joist), the state lower edge specific direction arrangement of arranging on almost parallel ground mutually; Side joist (side joist) under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists; End joist (header joist) is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And ceiling is used for hanging above-mentioned ceiling with beam (ceiling beam), crosses over above-mentioned end joist and disposes with above-mentioned side joist almost parallel ground; Wherein, at least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor, above-mentioned ceiling with beam only be arranged on above-mentioned wall near.
Description of drawings
Fig. 1 is the stereogram of an example of the floor-ceiling structure of expression the 1st embodiment.
Fig. 2 is the vertical view of the floor-ceiling structure of Fig. 1.
Fig. 3 is the schematic isometric of expression ceiling with the details of beam.
Fig. 4 (a) is the sectional view of structure of expression floor-ceiling structure, and Fig. 4 (b) is used for illustrating the figure that the floor is applied the action under the situation of power.
Fig. 5 (a) is the schematic sectional view on floor, and Fig. 5 (b)～Fig. 5 (e) is the schematic diagram of single order～quadravalence pattern of representing the floor respectively.
Fig. 6 (a) is the schematic sectional view on floor, and Fig. 6 (b)～Fig. 6 (e) is respectively the schematic diagram of the single order～quadravalence pattern on expression floor.
Fig. 7 (a1), Fig. 7 (a2), Fig. 7 (b1), Fig. 7 (b2) are the schematic diagrames of the configuration example of expression wall.
Fig. 8 (a1), Fig. 8 (a2), Fig. 8 (b1), Fig. 8 (b2) are the schematic diagrames of the configuration example of expression wall.
Fig. 9 (a)～Fig. 9 (d) is another routine vertical view of expression floor-ceiling structure.
Figure 10 is the figure of the vibration transmissibility of expression embodiment 1～3 and comparative example 1.
Figure 11 is the figure of expression weight floor impulsive sound experimental measurements.
Figure 12 is the figure of expression light weight floor impulsive sound experimental measurements.
Figure 13 (a)～Figure 13 (c) is respectively the figure of expression embodiment 1～3, and Figure 13 (d) is the figure of expression comparative example 1.
The specific embodiment
Below, relevant embodiments of the present invention are described.
(the 1st embodiment)
Fig. 1 is the stereogram of an example of the floor-ceiling structure 100 of expression the 1st embodiment, and Fig. 2 is the vertical view of the floor-ceiling structure 100 of Fig. 1.
The floor-ceiling structure 100 of Fig. 1 and Fig. 2 is the structures between the ceiling 60 (not shown) of the floor 50 on upper strata and lower floor, mainly comprise end joist 11, side joist 12, floor joists 20, ceiling beam 30, sprung parts 31 (hanger member, not shown), furred ceiling muscle bolster 32 (furring bracket, not shown), furred ceiling muscle 33 (furring, not shown).In addition, ceiling is configured for from the ceiling support of end joist 11 suspended ceilings 60 with beam 30, sprung parts 31, furred ceiling muscle bolster 32 and furred ceiling muscle 33.
As shown in Figures 1 and 2, in floor-ceiling structure 100,, form rectangular-shaped framework by roughly being connected respectively the end of the offside joist 12 that disposes of quadrature with the pair of end joist 11 of mutual almost parallel ground configuration and with this end joist 11.In above-mentioned framework, with side joist 12 almost parallels dispose a plurality of floor joists 20, the both ends of these floor joists 20 are installed in respectively on the pair of end joist 11.In other words, an offside joist 12 is configured in from the position of floor joists 20 orientation clamping floor joists 20, pair of end joist 11 be configured in from the position of the direction clamping floor joists 20 of floor joists 20 orientation quadratures on.By pair of end joist 11 and side joist 12 and a plurality of floor joists 20 fixed bearing floors 50.
In addition, as shown in Figure 2, in above-mentioned framework, with an offside joist 12 and a plurality of ceilings of a plurality of floor joists 20 almost parallel ground configuration beam 30, these days, card was installed in respectively on the pair of end joist 11 with the both ends of beam 30.Narrate in the back with the quantity of beam 30 and the details of configuration for this ceiling.
Fig. 3 is the schematic isometric of expression ceiling with the details of beam 30.As shown in Figure 3, the upper surface of the upper surface of pair of end joist 11, an offside joist 12 and the upper surface of a plurality of floor joists 20 are roughly equal height, can support floor 50.End joist 11 has the cross sectional shape of the roughly コ word shape of opening to the inside, and the both ends of side joist 12 and floor joists 20 enter in the opening of end joist 11.In addition, the cross sectional shape of end joist 11 is not limited to roughly コ word shape, also can be other shapes such as I word shape for example.Ceiling is コ word shape roughly with beam 30 cross sections.In addition, ceiling is not limited to roughly コ word shape with the cross sectional shape of beam 30, also can be shape arbitrarily such as a mouthful word shape, Z word shape.
With on the beam 30, shown in Fig. 4 (a), hanging down is provided with sprung parts 31 at ceiling, and sprung parts 31 extends downwards with beam 30 from ceiling.The material of sprung parts 31 is made of timber or metal, under metal situation, is also referred to as hanging metal thing, hanging metal spare especially.In the bottom of this sprung parts 31, the fixedly furred ceiling muscle 33 of ceiling 60 is installed via furred ceiling muscle bolster 32.Furred ceiling muscle bolster 32 be to the furred ceiling muscle 33 bar-shaped parts that extend of the direction of quadrature roughly.In addition, furred ceiling muscle bolster 32 both can be installed in the position of leaning on upside than the lower end of sprung parts 31, also can be also to be installed on the lower end of sprung parts 31 to the state that downside stretches out than sprung parts 31.
This ceiling is set to not outstanding from the upper surface of pair of end joist 11 with beam 30.And sprung parts 31 also is set to not outstanding from the upper surface of pair of end joist 11, and is provided with highlightedly from soffit.That is, ceiling is set to not contact with floor 50 with beam 30, with on the beam 30, via sprung parts 31, furred ceiling muscle bolster 32 and furred ceiling muscle 33 ceiling 60 is installed at ceiling.
Then, the transfer of vibration principle to floor-ceiling structure 100 describes.Fig. 4 (a) and Fig. 4 (b) are the figure that is used for illustrating that from the floor 50 vibration is transmitted.Fig. 4 (a) is the sectional view of structure of expression floor-ceiling structure 100, and Fig. 4 (b) is used for illustrating the figure that floor 50 is applied the action under the situation of power F.
At first, shown in Fig. 4 (b), floor 50 is applied power F.Consequent vibration is propagated composition as solid and is delivered to end joist 11, side joist 12 and floor joists 20.The vibration that is delivered to end joist 11 is delivered to ceiling beam 30, and the vibration that is delivered to side joist 12 and a plurality of floor joists 20 is delivered to ceiling beam 30 via end joist 11.Be delivered to ceiling and be delivered to ceiling 60 via sprung parts 31, furred ceiling muscle bolster 32 and furred ceiling muscle 33 with the vibration of beam 30.
In addition, floor 50 is being applied under the situation of power F, the vibration on floor 50 is simultaneously given ceiling 60 as air borne composition (sound) via the transfer of air in the floor-ceiling structure body.In such structure, to compare with the air borne composition, it is overriding that solid is propagated composition.
Then, the gross morphology to the vibration in the structure of floor 50, framework and the floor joists 20 of present embodiment (following floor 50, floor joists 20, framework (end joist 11 and side joist 12) are called floor 200 together) describes.In addition, in the present embodiment, because the generation of the vibration mode on the length direction of the end joist 11 on floor 200 is more remarkable, so only the vibration mode of a direction is described.
Fig. 5 (a)～Fig. 5 (e) is used for illustrating that two floor 200a, 200b arrange and the schematic diagram of the vibration on the floor that constitutes on the length direction of end joist 11.Fig. 5 (a) is the schematic sectional view on floor, the single order pattern on Fig. 5 (b) expression floor, the second order pattern on Fig. 5 (c) expression floor, the three rank patterns on Fig. 5 (d) expression floor, the quadravalence pattern on Fig. 5 (e) expression floor.In addition, the top in the space of being separated by floor 200a and floor 200b is the upper strata, and the bottom is a lower floor.
Shown in Fig. 5 (a), two floor 200a, 200b dispose under mutual side joist 12 state of contact.In addition, floor 200a, 200b both can be configured to form set gap each other at mutual side joist 12, also can constitute integratedly jointly to use mutual side joist 12.
On the end of floor 200a distolateral (being the left side in Fig. 5 (a)), on have wall 70, on the upper surface of the central portion of floor 200a, be provided with wall 70.Particularly, be linked at the wall 70 of upper and lower settings on the distolateral side joist 12 of floor 200a, several the 2nd walls 70 are attached on the floor joists 20 of central portion from the left side on upper strata.In other words, a distolateral side joist 12 is supported by the wall 70 on lower floor and upper strata, and the floor joists 20 of central portion is by wall 70 supportings on upper strata.
In addition, on the end of floor 200b another distolateral (in Fig. 5 (a) is the right side), on have wall 70, on the soffit of the central portion of floor 200b, be provided with wall 70.Particularly, be linked on another distolateral side joist 12 of floor 200a at the wall 70 of upper and lower settings, several the 2nd walls 70 are attached on the floor joists 20 of central portion from the right of lower floor.In other words, another distolateral side joist 12 is by wall 70 supportings on lower floor and upper strata, and the floor joists 20 of central portion is by wall 70 supportings of lower floor.
Below, in order to describe, the distance table from the wall 70 on the upper strata that only is located at floor 200a to the wall 70 of the lower floor that only is located at floor 200b is shown distance L.
Under the situation that is conceived to floor 200a shown in Fig. 5 (a) and floor 200b, the position corresponding to the joist that is supported by wall 70 in the framework becomes the node of vibration.Thereby, contain at the power F that floor 50 is applied under the situation of the frequency content consistent with first natural frequency, shown in Fig. 5 (b), floor 200a and floor 200b are with the single order mode vibration.That is, be that the amplitude of the part of L/2 is maximum (antinode) apart from the distance that exists only in the wall 70 on upper strata, be minimum (node) near the amplitude of the part of wall 70.
In addition, contain at the power F that floor 50 is applied under the situation of the frequency content consistent with the second order intrinsic frequency, shown in Fig. 5 (c), floor 200a and floor 200b are with the second order mode vibration.In the case, the amplitude of part that apart from the distance that exists only in the wall 70 on upper strata is L/4,3L/4 is for maximum, the part of L/2 and be minimum near the amplitude of the part of wall 70.
And then, contain at the power F that floor 50 is applied under the situation of the frequency content consistent with three rank intrinsic frequencies, shown in Fig. 5 (d), floor 200a and floor 200b are with three rank mode vibrations.In the case, apart from the distance that exists only in the wall 70 on upper strata be the part of L/3,2L/3 and near the part place amplitude of wall 70 for minimum.
And then, contain at the power F that floor 50 is applied under the situation of the frequency content consistent with the quadravalence intrinsic frequency, shown in Fig. 5 (e), floor 200a and floor 200b are with the quadravalence mode vibration.In the case, apart from the distance that exists only in the wall 70 on upper strata be the part of L/4, L/2,3L/4 and near the part place amplitude of wall 70 for minimum.
Thereby, consider the vibration mode of length direction of the end joist 11 of this floor 200a, 200b, preferably, ceiling is set with beam 30 on the less part of the vibration of floor 200a, 200b.
Then, another example at general vibration shape illustrated in fig. 5 is described.Fig. 6 (a)～Fig. 6 (e) is the schematic diagram that is used for illustrating the vibration on the floor of two floor 200a, 200b being arranged and constituting on the length direction of end joist 11.
Fig. 6 (a) is the schematic sectional view on floor, the single order pattern of the length direction of the end joist 11 on Fig. 6 (b) expression floor, the second order pattern of the length direction of the end joist 11 on Fig. 6 (c) expression floor, three rank patterns of the length direction of the end joist 11 on Fig. 6 (d) expression floor, the quadravalence pattern of the length direction of the end joist 11 on Fig. 6 (e) expression floor.
As shown in Figure 6, on another distolateral end of one of floor 200a distolateral end and floor 200b, have wall 70.In addition, the upside at floor 200b is provided with wall 70.Promptly, with reference Fig. 5 (a) illustrate same, the distolateral side joist 12 of floor 200a and another distolateral side joist 12 of floor 200b be by wall 70 supportings on lower floor and upper strata, and near the floor joists 20 distolateral of floor 200b is by wall 70 supportings on upper strata.
In addition, be L11 with the wall 70 of dividing into the left side from figure to the distance of the wall 70 that is located at upside, the distance of establishing the wall 70 on the right in the wall 70 to figure of central authorities from figure is L12.
In addition, same, the part of the floor 200b in the scope of distance L 12 corresponds respectively to the power that applies and the vibration that produces single order pattern, second order pattern, three rank patterns and quadravalence pattern.But from the single order pattern to the quadravalence pattern any, the amplitude of floor 200b is all less in the distance of distance wall 70 is the scope below 1/8 of L12.Promptly be expressed as,, ceiling beam 30 only be set on the part near wall 70, thereby make vibration transmissibility become minimum on the right side of the wall 70 of only being located at the upper strata.
According to more than, by with ceiling with beam 30 be arranged in the left side of the wall 70 of only being located at the upper strata apart from wall 70 in the scope 1/8 below of L11, the right side of the wall 70 of only being located at the upper strata is arranged on apart from wall 70 in the scope below 1/8 of L12, can be reduced in the vibration that produces among floor 200a, the 200b passes to ceiling 60 by solid propagation composition situation.
Particularly, being arranged on apart from wall 70 with beam 30 ceiling is distance L 11, under the situation in the scope below 1/4 of L12, owing to do not comprise the antinode of single order pattern and second order pattern, so can reduce and result from the vibration of ceiling of single order pattern and second order pattern, being arranged on apart from wall 70 with beam 30 ceiling is distance L 11, under the situation in the scope below 1/6 of L12, owing to do not comprise the single order pattern, the antinode of second order pattern and three rank patterns, so can reduce the single order pattern that results from, the vibration of the ceiling of second order pattern and three rank patterns, being arranged on apart from wall 70 with beam 30 ceiling is distance L 11, under the situation in the scope below 1/8 of L12, owing to do not comprise the antinode of single order～quadravalence pattern, result from the vibration of ceiling of single order～quadravalence pattern so can reduce.
Then, the concrete example to the configuration of wall 70 describes.Fig. 7 (a1)～Fig. 7 (b2) and Fig. 8 (a1)～Fig. 8 (b2) is the schematic diagram of the configuration example of expression wall 70.
Fig. 7 (a1) and Fig. 7 (a2) are provided with wall 70 below the 200a of floor, Fig. 7 (b1) and Fig. 7 (b2) are provided with wall 70 above the contact portion of floor 200a and floor 200b, Fig. 8 (a1) and Fig. 8 (a2) be at the upper and lower settings wall 70 of the contact portion of floor 200a and floor 200b, and Fig. 8 (b1) and Fig. 8 (b2) are provided with wall 70 below the contact portion of floor 200a and floor 200b.
Shown in Fig. 7 (a1), be provided with below the 200a of floor under the situation of wall 70, shown in Fig. 7 (a2), ceiling uses beam 30 preferred disposition near wall 70.That is, near the node of the vibration by ceiling being arranged on floor 200a with beam 30, can will pass to the vibration suppression of ceiling 60 in Min..
Particularly, if consider vibration from the single order pattern to the quadravalence pattern, then ceiling is in the scope below 1/4 of L1a (L1a ') in the distance of distance wall 70 preferably with the position of the configuration of beam 30, more preferably the distance at distance wall 70 is in the scope below 1/6 of L1a (L1a '), and then be in the scope below 1/8 of L1a (L1a ') in the distance of distance wall 70 preferably, preferred more near 0 more apart from the distance of wall 70.
As a result, on the part owing to the amplitude minimum that ceiling is configured in floor 200 with beam 30, pass to ceiling 60 so can suppress the vibration on floor.
Equally, shown in Fig. 7 (b1), Fig. 8 (a1), be provided with above the 200a of floor under the situation of wall 70, shown in Fig. 7 (b2), Fig. 8 (a2), particularly, if consider the vibration from the single order pattern to the quadravalence pattern, then ceiling is 1/4 of L1b (L1b '), L2a (L2a ') apart from the distance of wall 70 preferably with the position of the configuration of beam 30, and is preferred more near 0 more apart from the distance of wall 70.
As a result, on the part owing to the amplitude minimum that ceiling is configured in floor 200 with beam 30, pass to ceiling 60 so can suppress the vibration on floor 200.
In addition, shown in Fig. 8 (b1), be provided with below floor 200a, the 200b under the situation of wall 70, shown in Fig. 8 (b2), particularly, if consider the vibration from the single order pattern to the quadravalence pattern, then ceiling is 1/4 of L2b (L2b ') apart from the distance of wall 70 preferably with the position of the configuration of beam 30, and is preferred more near 0 more apart from the distance of wall 70.
As a result, on the part owing to the amplitude minimum that ceiling is configured in floor 200 with beam 30, pass to ceiling 60 so can suppress the vibration on floor 200.
Then, another example to floor-ceiling structure shown in Figure 2 100 describes.Fig. 9 (a)～Fig. 9 (d) is another routine vertical view of expression floor-ceiling structure 100.
Fig. 9 (a) expression floor-ceiling structure 100a, an end joist 11 is split into two end joist 11a, 11b, end joist 11a, 11b links via complementary side joist 12a, and a side joist 12 links via complementary side joist 12b with end joist 11b, and be provided with a plurality of rollings at suitable position and prevent portion 35, Fig. 9 (b) expression floor-ceiling structure 100b, an end joist 11 is split into two end joist 11a, 11b, end joist 11a, 11b links via complementary side joist 12a, Fig. 9 (c) expression floor-ceiling structure 100c, an end joist 11 is split into 3 end joist 11d～11f, end joist 11e and end joist 11d, 11f is via complementary side joist 12c, 12d links, and be provided with a plurality of rollings at suitable position and prevent portion 35, Fig. 9 (d) expression floor-ceiling structure 100d, an end joist 11 is split into 3 end joist 11d～11f, end joist 11e and end joist 11d, 11f is via complementary side joist 12c, 12d links.In addition, in these floor-ceiling structures 100a～100d, complementary side joist 12b can be set and side joist 12 is prolonged, complementary side joist 12a, 12c, 12d also can be set and floor joists 20 is prolonged.
Shown in Fig. 9 (a)～Fig. 9 (d), floor-ceiling structure 100a～100d is not limited to rectangular-shapedly as shown in Figure 2, also can have other shapes arbitrarily.In these cases, also can reduce the vibration that passes to ceiling from the floor by ceiling only is set near wall 70 with beam 30.In addition, a plurality of rollings prevent portion 35 in the present embodiment, have and the same function of end joist 11.
In addition, dispose at least each other under the situation of 5 floor joists 20 at wall 70, preferably, ceiling is arranged in the scope from each wall 70 to the 2nd floor joists 20 with beam 30.If like this, then,, can reduce vibration so the bigger amplitude on floor 50 can not pass to ceiling 60 owing on position, be provided with ceiling with beam 30 near wall 70.
In addition, in the present embodiment, to in the scope of the total length of side joist 12, floor joists 20, existing the situation of wall to be illustrated, but be not limited to this, even if on the part of wall, exist the window or the door of the building of works also can access same effect.In addition, be not limited to wall, also can be by other supportings such as parts, for example post in addition arbitrarily.
More than, in the floor-ceiling structure of the present application, under the strong and vibrative situation of effect on the floor 200, vibration is delivered to the framework with end joist 11 and side joist 12.Owing to the one or more joists in the joist group that is made of an offside joist 12 and a plurality of floor joists 20 are supported by wall 70, so above-mentioned framework corresponding to being diminished by the vibration of the position of the joist of this wall 70 supportings, it is big that the vibration at the position of leaving from this position becomes.Thereby, by ceiling only is set with beam 30 near above-mentioned wall 70, can reduce the vibration of ceiling, so can reduce from the floor 50 vibrations that pass to ceiling 60 with beam 30.
As a result, can reduce the impulsive sound of big frequency band by simple structure.Particularly, because that the solid of weight floor impulsive sound is propagated the contribution degree of composition is bigger, so can reduce weight floor impulsive sound with the vibration of beam 30 by reducing ceiling.
＜embodiment A 〉
(embodiment 1～3)
As embodiment 1～3, for ceiling with beam 30 be arranged on apart from the distance of wall 70 be in the scope of L/4 situation (with reference to Figure 13 (a)), with ceiling with beam 30 be arranged on apart from the distance of wall 70 be in the scope of L/6 situation (with reference to Figure 13 (b)), ceiling is arranged on apart from the distance of wall 70 with beam 30 is that the vibration transmissibility to ceiling from the floor of the situation (with reference to Figure 13 (c)) in the scope of L/8 is simulated.
In addition, as the condition of simulation, calculated the vibration that 1 of floor upper surface is applied the ceiling in when vibration by limited factors method.Apply the oscillation point select when in structure in the past, weight floor impulsive sound being tested, to produce based on JIS A1418 maximum weight floor impulsive sound apply the oscillation point.In addition, ceiling vibration use the configuration of approximate equality ground a plurality of points vibration velocity and as typical value.
(comparative example 1)
As a comparative example 1, simulate for the vibration transmissibility to ceiling that the structure in the past (with reference to Figure 13 (d)) of ceiling with beam 30 is set on whole of floor-ceiling structure from the floor.
Figure 10 be expression embodiment 1～3 and comparative example 1 from the floor to the figure of the vibration transmissibility of ceiling.
The longitudinal axis of Figure 10 is represented vibration transmissibility (dB), and transverse axis is represented frequency (Hz).Here, vibration transmissibility (dB) represents that with logarithm ceiling vibration velocity typical value applies value behind the vibration velocity of oscillation point divided by the floor.
＜estimate
As shown in figure 10, in the frequency band of the L grade of general decision weight floor impulsive sound (50Hz frequency band (44.7Hz～56.2Hz)), can confirm that vibration transmissibility reduces according to the order of comparative example 1, embodiment 1, embodiment 2, embodiment 3.Thus, can confirm that the distance according to distance wall 70 is the order of L/4, L/6, L/8, the reduction of ceiling vibration becomes big.
＜Embodiment B 〉
Then, same with the condition of the foregoing description 3 and comparative example 1, measure weight floor impulsive sound and light weight floor impulsive sound based on JIS A1418.
Figure 11 and Figure 12 are the figure of expression weight floor impulsive sound and light weight floor impulsive sound measurement result.
The longitudinal axis of Figure 11 is represented weight floor impulsive sound level (5dB/grid), and the longitudinal axis of Figure 12 is represented light weight floor impulsive sound level (5dB/grid), and the transverse axis of Figure 11 and Figure 12 is represented 1/1 mid-frequency of octave band (Hz).
As shown in figure 11, embodiment 3 compares the reduction that can confirm in the weight floor impulsive sound level of the scope below frequency is the above 1kHz frequency band of 63Hz frequency band about 5dB with comparative example 1.In addition, in 2kHz frequency band, 4kHz frequency band, can realize the reduction of 10dB.
On the other hand, as shown in figure 12, it is to realize the reduction of 3dB in 63Hz frequency band, the 125Hz frequency band, in the impulsive sound level of light weight floor that embodiment 3 compares with comparative example 1 in frequency.In addition, can confirm the reduction of 2dB in the scope below the above 4kHz frequency band of 250Hz frequency band.
In the floor-ceiling structure of the present invention, floor 50 is corresponding to the floor, and floor joists 20 is corresponding to floor joists, and side joist 12 is corresponding to the side joist, end joist 11 is corresponding to the end joist, corresponding to the ceiling beam, ceiling 60 is corresponding to ceiling with beam 30 for ceiling, and floor-ceiling structure 100 is corresponding to floor-ceiling structure, wall 70 is corresponding to wall, sprung parts 31 is corresponding to sprung parts, and furred ceiling muscle 33 is corresponding to the furred ceiling muscle, and furred ceiling muscle bolster 32 is corresponding to furred ceiling muscle bolster.
In addition, in the above-described embodiment, with ceiling with beam 30 only be located at wall 70 near, but the ceiling that for example will constitute the ceiling support is not arranged in the zone beyond near wall 70 with in beam 30, sprung parts 31, furred ceiling muscle bolster 32, the furred ceiling muscle 33 at least one, can reduce from the floor 50 vibrations that pass to ceiling 60 yet.
For example, even if near the zones beyond being arranged on the wall 70 with beam 30 ceiling, only otherwise just passable near the zones beyond being arranged on sprung parts 31 wall 70.Perhaps, even if near the zones beyond being arranged on the wall 70 with beam 30 and sprung parts 31 ceiling, only otherwise just passable near the zones beyond being arranged on furred ceiling muscle bolster 32 or furred ceiling muscle 33 wall 70.
In addition, these parts can displacement independently under the state that leaves with respect to miscellaneous part if make ceiling not link with miscellaneous part with at least 1 in beam 30, sprung parts 31, furred ceiling muscle bolster 32, the furred ceiling muscle 33 near the zone beyond wall 70, also can reduce from the floor 50 vibrations that pass to ceiling 60.That is, as long as only link the whole just passable of ceiling usefulness beam 30, sprung parts 31, furred ceiling muscle bolster 32, furred ceiling muscle 33 near the zone wall 70.
In addition, in above-mentioned embodiment and each variation, furred ceiling muscle bolster 32 can omit, and also furred ceiling muscle 33 can be directly installed on the sprung parts 31.
As mentioned above, the floor-ceiling structure of the 1st technical scheme is the floor-ceiling structure between the ceiling of the floor on upper strata and lower floor, possesses: a plurality of floor joists, the state lower edge specific direction arrangement of arranging on almost parallel ground mutually; The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists; The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And the ceiling beam, be used for hanging above-mentioned ceiling, cross over above-mentioned end joist and dispose with above-mentioned side joist almost parallel ground; Wherein, at least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor, above-mentioned ceiling with beam only be arranged on above-mentioned wall near.
In the floor-ceiling structure of the 1st technical scheme, in the framework that constitutes by side joist and end joist, be arranged on the end joist floor joists and side joist almost parallel.In addition, in by side joist and the framework that constitutes of end joist, ceiling with beam and side joist almost parallel be arranged on and hold on the joist.At least 1 joist in the joist group that is made of side joist and a plurality of floor joists is supported by wall, ceiling with beam only be located at wall near.
Here, be used on the floor and under the vibrative situation, vibration is delivered to the framework that is made of side joist and end joist at masterpiece.Because at least 1 joist in the joist group is supported by wall, so the vibration corresponding to the position of the joist that is supported by this wall of above-mentioned framework diminishes, it is big that the vibration at the position of leaving from this position becomes.Thereby, by the ceiling beam only is set, can reduce the ceiling vibration of beam near above-mentioned wall, so can reduce the vibration that passes to ceiling from the floor.
As a result, can reduce the impulsive sound of bigger frequency band with simple structure.Particularly, because the contribution degree of weight floor impulsive sound solid propagation composition in such structure is bigger than air borne composition, so can obtain bigger reduction effect with vibration of beam by reducing ceiling.
Preferably, the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists comprises by the joist of the 1st wall supporting of above-mentioned upper strata or lower floor with by the joist of the 2nd wall supporting of upper strata or lower floor, described the 2nd wall is configured in the 1st wall and leaves on the position at interval, above-mentioned ceiling is arranged on beam near the wall in the zone between above-mentioned the 1st wall and the 2nd wall, is below 1/4 of distance above-mentioned the 1st wall and the 2nd wall from above-mentioned each wall near the above-mentioned ceiling this each wall with the distance of beam.
In the case, because is below 1/4 of distance the 1st wall and the 2nd wall from each wall near the ceiling this each wall with the distance of beam, even so on floor for example under the situation with single order pattern or second order mode vibration on the length direction of end joist, near the node (part of amplitude minimum) that is located at vibration on the antinode (amplitude the best part) that ceiling is not configured in vibration with beam, so can reduce the vibration that passes to ceiling from the floor.
Preferably, the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists comprises by the joist of the 1st wall supporting of above-mentioned upper strata or lower floor with by the joist of the 2nd wall supporting of upper strata or lower floor, described the 2nd wall is configured in the 1st wall and leaves on the position at interval, above-mentioned ceiling is arranged on beam near each wall in the zone between above-mentioned the 1st wall and the 2nd wall, is below 1/6 of distance above-mentioned the 1st wall and the 2nd wall from above-mentioned each wall near the above-mentioned ceiling this each wall with the distance of beam.
In the case, because is below 1/6 of distance the 1st wall and the 2nd wall from each wall near the ceiling this each wall with the distance of beam, even so on floor for example under the situation with single order, second order or three rank mode vibrations on the length direction of end joist, near the node (part of amplitude minimum) that is located at vibration on the antinode (amplitude the best part) that ceiling is not configured in vibration with beam, so also can reduce the vibration that passes to ceiling from the floor.
Preferably, the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists comprises by the joist of the 1st wall supporting of above-mentioned upper strata or lower floor with by the joist of the 2nd wall supporting of upper strata or lower floor, described the 2nd wall is configured in the 1st wall and leaves on the position at interval, above-mentioned ceiling is arranged on beam near each wall in the zone between above-mentioned the 1st wall and the 2nd wall, is below 1/8 of distance above-mentioned the 1st wall and the 2nd wall from above-mentioned each wall near the above-mentioned ceiling this each wall with the distance of beam.
In the case, because is below 1/8 of distance the 1st wall and the 2nd wall from each wall near the ceiling this each wall with the distance of beam, even so on floor for example under the situation with single order～quadravalence mode vibration on the length direction of end joist, near the node (part of amplitude minimum) that is located at vibration on the antinode (amplitude the best part) that ceiling is not configured in vibration with beam, so also can reduce the vibration that passes to ceiling from the floor.
Preferably, dispose 5 floor joists at least between above-mentioned the 1st wall and the 2nd wall, above-mentioned ceiling is arranged in the scope of 2 floor joists of above-mentioned each wall to the with beam.
In the case, because ceiling is located on the position near wall with beam,, can reduce vibration so the bigger amplitude on floor can not pass to ceiling.
The floor-ceiling structure of the 2nd technical scheme is the floor-ceiling structure between the ceiling of the floor on upper strata and lower floor, possesses: a plurality of floor joists, the state lower edge specific direction arrangement of arranging on almost parallel ground mutually; The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists; The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And the ceiling support, be used for hanging above-mentioned ceiling from above-mentioned end joist; Wherein, at least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor, and above-mentioned ceiling support has: the ceiling beam, and cross over above-mentioned end joist and dispose; Sprung parts, hanging down is located at above-mentioned ceiling with on the beam; Furred ceiling muscle bolster is installed on the above-mentioned sprung parts; And the furred ceiling muscle, be installed on the above-mentioned furred ceiling muscle bolster and fixing above-mentioned ceiling; Wherein, above-mentioned ceiling is not arranged in the zone beyond near above-mentioned wall with in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle at least one.
In the floor-ceiling structure of the 2nd technical scheme, in the framework that constitutes by side joist and end joist, be arranged on the end joist floor joists and side joist almost parallel.In addition, in the framework that is made of side joist and end joist, the ceiling support is arranged on the end joist.At least 1 joist in the joist group that is made of side joist and a plurality of floor joists is supported by wall, in addition, the ceiling support comprises ceiling with beam, sprung parts, furred ceiling muscle bolster, furred ceiling muscle, and ceiling is not arranged near the zone in addition of wall with in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle at least one.
Here, be used on the floor and under the vibrative situation, vibration is delivered to the framework that is made of side joist and end joist at masterpiece.Because at least 1 joist in the joist group is supported by wall, so the vibration corresponding to the position of the joist that is supported by this wall of above-mentioned framework diminishes, it is big that the vibration at the position of leaving from this position becomes.Thereby the ceiling that constitutes the ceiling support by order is not arranged near the zone in addition of above-mentioned wall with in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle at least one, can reduce the vibration that passes to ceiling from the floor.Thereby, can be with the impulsive sound of the bigger frequency band of simple structure reduction.Particularly, because it is bigger than air borne composition that impulsive sound solid in such structure in weight floor is propagated the contribution degree of composition, so reduce vibration by making ceiling not be arranged on the bigger part of amplitude, can access bigger reduction effect with in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle at least one.
The floor-ceiling structure of the 3rd technical scheme is the floor-ceiling structure between the ceiling of the floor on upper strata and lower floor, possesses: a plurality of floor joists, the state lower edge specific direction arrangement of arranging on almost parallel ground mutually; The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists; The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And the ceiling support, be used for hanging above-mentioned ceiling from above-mentioned end joist; Wherein, at least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor, and above-mentioned ceiling support has: the ceiling beam, and cross over above-mentioned end joist and dispose; Sprung parts, hanging down is located at above-mentioned ceiling with on the beam; Furred ceiling muscle bolster is installed on the above-mentioned sprung parts; And the furred ceiling muscle, be installed on the above-mentioned furred ceiling muscle bolster and fixing above-mentioned ceiling; Wherein, near the zone beyond above-mentioned wall, above-mentioned ceiling does not link with miscellaneous part with in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle at least one.
In the floor-ceiling structure of relevant the 3rd technical scheme, in the framework that constitutes by side joist and end joist, be arranged on the end joist floor joists and side joist almost parallel.In addition, in the framework that is made of side joist and end joist, the ceiling support is arranged on the end joist.At least 1 joist in the joist group that is made of side joist and a plurality of floor joists is supported by wall.In addition, the ceiling support comprises ceiling with beam, sprung parts, furred ceiling muscle bolster, furred ceiling muscle, and near the zone beyond wall, ceiling does not link with miscellaneous part with in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle at least one.
Here, be used on the floor and under the vibrative situation, vibration is delivered to the framework that is made of side joist and end joist at masterpiece.Because at least 1 joist in the joist group is supported by wall, so the vibration corresponding to the position of the joist that is supported by this wall of above-mentioned framework diminishes, it is big that the vibration at the position of leaving from this position becomes.Thereby, near the zone beyond above-mentioned wall, the ceiling that constitutes the ceiling support is not linked with miscellaneous part with in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle at least one, can reduce the vibration that passes to ceiling from the floor.Thereby, can be with the impulsive sound of the bigger frequency band of simple structure reduction.Particularly, because it is bigger than air borne composition that impulsive sound solid in such structure in weight floor is propagated the contribution degree of composition, so do not reduce vibration by in the bigger part of amplitude, ceiling not being linked with at least one and miscellaneous part in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle, can access bigger reduction effect.
The floor-ceiling structure of the 4th technical scheme is the floor-ceiling structure between the ceiling of the floor on upper strata and lower floor, possesses: a plurality of floor joists, the state lower edge specific direction arrangement of arranging on almost parallel ground mutually; The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists; The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And the ceiling support, be used for hanging above-mentioned ceiling from above-mentioned end joist; Wherein, at least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor, and above-mentioned ceiling support has: the ceiling beam, and cross over above-mentioned end joist and dispose; Sprung parts, hanging down is located at above-mentioned ceiling with on the beam; And the furred ceiling muscle, be installed on the above-mentioned sprung parts and fixing above-mentioned ceiling; Wherein, above-mentioned ceiling is not arranged in the zone beyond near above-mentioned wall with in beam, sprung parts, the furred ceiling muscle at least one.
In the floor-ceiling structure of the 4th technical scheme, in the framework that constitutes by side joist and end joist, be arranged on the end joist floor joists and side joist almost parallel.In addition, in the framework that is made of side joist and end joist, the ceiling support is arranged on the end joist.At least 1 joist in the joist group that is made of side joist and a plurality of floor joists is supported by wall, in addition, the ceiling support comprises ceiling with beam, sprung parts, furred ceiling muscle, and ceiling is not arranged near the zone in addition of wall with in beam, sprung parts, the furred ceiling muscle at least one.
Here, be used on the floor and under the vibrative situation, vibration is delivered to the framework that is made of side joist and end joist at masterpiece.Because at least 1 joist in the joist group is supported by wall, so the vibration corresponding to the position of the joist that is supported by this wall of above-mentioned framework diminishes, it is big that the vibration at the position of leaving from this position becomes.Thereby the ceiling that constitutes the ceiling support by order is not arranged near the zone in addition of above-mentioned wall with in beam, sprung parts, the furred ceiling muscle at least one, can reduce the vibration that passes to ceiling from the floor.Thereby, can be with the impulsive sound of the bigger frequency band of simple structure reduction.Particularly, because it is bigger than air borne composition that impulsive sound solid in such structure in weight floor is propagated the contribution degree of composition, so reduce vibration by making ceiling not be arranged on the bigger part of amplitude, can access bigger reduction effect with in beam, sprung parts, the furred ceiling muscle at least one.
The floor-ceiling structure of the 5th technical scheme is the floor-ceiling structure between the ceiling of the floor on upper strata and lower floor, possesses: a plurality of floor joists, the state lower edge specific direction arrangement of arranging on almost parallel ground mutually; The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists; The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And the ceiling support, be used for hanging above-mentioned ceiling from above-mentioned end joist; Wherein, at least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor, and above-mentioned ceiling support has: the ceiling beam, and cross over above-mentioned end joist and dispose; Sprung parts, hanging down is located at above-mentioned ceiling with on the beam; And the furred ceiling muscle, be installed on the above-mentioned sprung parts and fixing above-mentioned ceiling; Wherein, near the zone beyond above-mentioned wall, above-mentioned ceiling does not link with miscellaneous part with in beam, sprung parts, the furred ceiling muscle at least one.
In the floor-ceiling structure of the 5th technical scheme, in the framework that constitutes by side joist and end joist, be arranged on the end joist floor joists and side joist almost parallel.In addition, in the framework that is made of side joist and end joist, the ceiling support is arranged on the end joist.At least 1 joist in the joist group that is made of side joist and a plurality of floor joists is supported by wall, in addition, the ceiling support comprises ceiling beam, sprung parts, furred ceiling muscle, in near beyond wall the zone, at least one in ceiling beam, sprung parts, the furred ceiling muscle links with miscellaneous part.
Here, be used on the floor and under the vibrative situation, vibration is delivered to the framework that is made of side joist and end joist at masterpiece.Because at least 1 joist in the joist group is supported by wall, so the vibration corresponding to the position of the joist that is supported by this wall of above-mentioned framework diminishes, it is big that the vibration at the position of leaving from this position becomes.Thereby, near the zone beyond above-mentioned wall, the ceiling that constitutes the ceiling support is not linked with miscellaneous part with in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle at least one, can reduce the vibration that passes to ceiling from the floor.Thereby, can be with the impulsive sound of the bigger frequency band of simple structure reduction.Particularly, because it is bigger than air borne composition that impulsive sound solid in such structure in weight floor is propagated the contribution degree of composition, so reduce vibration by on the bigger part of amplitude, making ceiling not link, can access bigger reduction effect with miscellaneous part with in beam, sprung parts, the furred ceiling muscle at least one.
Claims (9)
1, a kind of floor-ceiling structure places between the ceiling of the floor on upper strata and lower floor, it is characterized in that possessing:
A plurality of floor joists are arranged at the state lower edge specific direction of almost parallel ground arrangement mutually;
The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists;
The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And
The ceiling beam is used for hanging above-mentioned ceiling, crosses over above-mentioned end joist and disposes with above-mentioned side joist almost parallel ground; Wherein,
At least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor,
Above-mentioned ceiling with beam only be arranged on above-mentioned wall near.
2, floor-ceiling structure as claimed in claim 1 is characterized in that,
The joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists comprises that described the 2nd wall is configured in the 1st wall and leaves on the position at interval by the joist of the 1st wall supporting of above-mentioned upper strata or lower floor with by the joist of the 2nd wall supporting of upper strata or lower floor,
Above-mentioned ceiling with beam be arranged between above-mentioned the 1st wall and the 2nd wall the zone in wall near,
Is below 1/4 of distance above-mentioned the 1st wall and the 2nd wall from above-mentioned each wall near the above-mentioned ceiling this each wall with the distance of beam.
3, floor-ceiling structure as claimed in claim 1 is characterized in that,
The joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists comprises that described the 2nd wall is configured in the 1st wall and leaves on the position at interval by the joist of the 1st wall supporting of above-mentioned upper strata or lower floor with by the joist of the 2nd wall supporting of upper strata or lower floor,
Above-mentioned ceiling with beam be arranged between above-mentioned the 1st wall and the 2nd wall the zone in each wall near,
Is below 1/6 of distance above-mentioned the 1st wall and the 2nd wall from above-mentioned each wall near the above-mentioned ceiling this each wall with the distance of beam.
4, floor-ceiling structure as claimed in claim 1 is characterized in that,
The joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists comprises that described the 2nd wall is configured in the 1st wall and leaves on the position at interval by the joist of the 1st wall supporting of above-mentioned upper strata or lower floor with by the joist of the 2nd wall supporting of upper strata or lower floor,
Above-mentioned ceiling with beam be arranged between above-mentioned the 1st wall and the 2nd wall the zone in each wall near,
Is below 1/8 of distance above-mentioned the 1st wall and the 2nd wall from above-mentioned each wall near the above-mentioned ceiling this each wall with the distance of beam.
5, floor-ceiling structure as claimed in claim 1 is characterized in that,
The joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists comprises that described the 2nd wall is configured in the 1st wall and leaves on the position at interval by the joist of the 1st wall supporting of above-mentioned upper strata or lower floor with by the joist of the 2nd wall supporting of upper strata or lower floor,
Above-mentioned ceiling with beam be arranged between above-mentioned the 1st wall and the 2nd wall the zone in each wall near,
Between above-mentioned the 1st wall and the 2nd wall, dispose 5 floor joists at least,
Above-mentioned ceiling is arranged in the scope of 2 floor joists of above-mentioned each wall to the with beam.
6, a kind of floor-ceiling structure places between the ceiling of the floor on upper strata and lower floor, it is characterized in that possessing:
A plurality of floor joists are arranged at the state lower edge specific direction of almost parallel ground arrangement mutually;
The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists;
The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And
The ceiling support is used for hanging above-mentioned ceiling from above-mentioned end joist; Wherein,
At least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor,
Above-mentioned ceiling support has:
The ceiling beam is crossed over above-mentioned end joist and is disposed;
Sprung parts, hanging down is located at above-mentioned ceiling with on the beam;
Furred ceiling muscle bolster is installed on the above-mentioned sprung parts; And
The furred ceiling muscle is installed on the above-mentioned furred ceiling muscle bolster and fixing above-mentioned ceiling; Wherein,
Above-mentioned ceiling is not arranged in the zone beyond near above-mentioned wall with in beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle at least one.
7, a kind of floor-ceiling structure places between the ceiling of the floor on upper strata and lower floor, it is characterized in that possessing:
A plurality of floor joists are arranged at the state lower edge specific direction of almost parallel ground arrangement mutually;
The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists;
The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And
The ceiling support is used for hanging above-mentioned ceiling from above-mentioned end joist; Wherein,
At least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor,
Above-mentioned ceiling support has:
The ceiling beam is crossed over above-mentioned end joist and is disposed;
Sprung parts, hanging down is located at above-mentioned ceiling with on the beam;
Furred ceiling muscle bolster is installed on the above-mentioned sprung parts; And
The furred ceiling muscle is installed on the above-mentioned furred ceiling muscle bolster and fixing above-mentioned ceiling; Wherein,
In near beyond above-mentioned wall the zone, at least one in above-mentioned ceiling beam, sprung parts, furred ceiling muscle bolster, the furred ceiling muscle links with miscellaneous part.
8, a kind of floor-ceiling structure places between the ceiling of the floor on upper strata and lower floor, it is characterized in that possessing:
A plurality of floor joists are arranged at the state lower edge specific direction of almost parallel ground arrangement mutually;
The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists;
The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And
The ceiling support is used for hanging above-mentioned ceiling from above-mentioned end joist; Wherein,
At least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor,
Above-mentioned ceiling support has:
The ceiling beam is crossed over above-mentioned end joist and is disposed;
Sprung parts, hanging down is located at above-mentioned ceiling with on the beam; And
The furred ceiling muscle is installed on the above-mentioned sprung parts and fixing above-mentioned ceiling; Wherein,
Above-mentioned ceiling is not arranged in the zone beyond near above-mentioned wall with in beam, sprung parts, the furred ceiling muscle at least one.
9, a kind of floor-ceiling structure places between the ceiling of the floor on upper strata and lower floor, it is characterized in that possessing:
A plurality of floor joists are arranged at the state lower edge specific direction of almost parallel ground arrangement mutually;
The side joist under the state of arranging with these floor joists almost parallel ground, is configured in from above-mentioned specific direction and clips on the position of this floor joists;
The end joist is configured in and clips on the position of above-mentioned floor joists and the end of fixing above-mentioned side joist and above-mentioned floor joists from the direction with above-mentioned specific direction quadrature; And
The ceiling support is used for hanging above-mentioned ceiling from above-mentioned end joist; Wherein,
At least one joist in the joist group that is made of above-mentioned side joist and above-mentioned a plurality of floor joists is by the supporting of the wall of above-mentioned upper strata or lower floor,
Above-mentioned ceiling support has:
The ceiling beam is crossed over above-mentioned end joist and is disposed;
Sprung parts, hanging down is located at above-mentioned ceiling with on the beam; And
The furred ceiling muscle is installed on the above-mentioned sprung parts and fixing above-mentioned ceiling; Wherein,
In near beyond above-mentioned wall the zone, at least one in above-mentioned ceiling beam, sprung parts, the furred ceiling muscle links with miscellaneous part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP234637/2005 | 2005-08-12 | ||
| JP2005234637 | 2005-08-12 | ||
| PCT/JP2006/315670 WO2007020841A1 (en) | 2005-08-12 | 2006-08-08 | Floor-ceiling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101238258A true CN101238258A (en) | 2008-08-06 |
| CN101238258B CN101238258B (en) | 2010-12-01 |
Family
ID=37757503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800291458A Expired - Fee Related CN101238258B (en) | 2005-08-12 | 2006-08-08 | Floor-ceiling structure |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20080037706A (en) |
| CN (1) | CN101238258B (en) |
| TW (1) | TW200716833A (en) |
| WO (1) | WO2007020841A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5352195B2 (en) * | 2008-11-11 | 2013-11-27 | トヨタホーム株式会社 | Building unit |
| JP6683037B2 (en) * | 2016-06-29 | 2020-04-15 | 日本製鉄株式会社 | Wood steel composite floor structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2855491B2 (en) * | 1991-07-19 | 1999-02-10 | 東急建設株式会社 | Sound insulation floor structure |
| JPH0754437A (en) * | 1993-08-19 | 1995-02-28 | Sumitomo Forestry Co Ltd | Ceiling structure |
| JPH07158188A (en) * | 1993-12-03 | 1995-06-20 | Misawa Homes Co Ltd | Floor panel structure combining ceiling |
| JP4161041B2 (en) * | 2002-09-26 | 2008-10-08 | 住友林業株式会社 | Ceiling structure |
-
2006
- 2006-08-08 KR KR1020087005869A patent/KR20080037706A/en not_active Application Discontinuation
- 2006-08-08 WO PCT/JP2006/315670 patent/WO2007020841A1/en active Application Filing
- 2006-08-08 CN CN2006800291458A patent/CN101238258B/en not_active Expired - Fee Related
- 2006-08-11 TW TW095129691A patent/TW200716833A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TWI322214B (en) | 2010-03-21 |
| TW200716833A (en) | 2007-05-01 |
| CN101238258B (en) | 2010-12-01 |
| WO2007020841A1 (en) | 2007-02-22 |
| KR20080037706A (en) | 2008-04-30 |
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