CN203066313U - Floor structure capable of reducing impact sound - Google Patents

Floor structure capable of reducing impact sound Download PDF

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Publication number
CN203066313U
CN203066313U CN 201320031544 CN201320031544U CN203066313U CN 203066313 U CN203066313 U CN 203066313U CN 201320031544 CN201320031544 CN 201320031544 CN 201320031544 U CN201320031544 U CN 201320031544U CN 203066313 U CN203066313 U CN 203066313U
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CN
China
Prior art keywords
floor
vibration
corbel
joist
proof material
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Expired - Fee Related
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CN 201320031544
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Chinese (zh)
Inventor
矢岛浩之
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Daiwa House Industry Co Ltd
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Daiwa House Industry Co Ltd
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Priority to CN 201320031544 priority Critical patent/CN203066313U/en
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Publication of CN203066313U publication Critical patent/CN203066313U/en
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Abstract

The utility model provides a floor structure capable of reducing an impact sound, and the floor structure can effectively reduce the impact sound and does not generate vibration or lose floor stability. A plurality of ALC (autoclaved lightweight concrete) plates (2) are arranged to be adjacent to each other; the end parts of the ALC plates (2) are supported on a common beam bracket (3); and the beam bracket (3) comprises T-shaped steel, faces to the extension direction of a floor beam (1) and is supported on the floor beam (1) through anti-vibration materials (4). The two ends and the center of the beam bracket (3) are supported by the anti-vibration materials (4) arranged at an interval in the length direction; and the interval between the two anti-vibration materials (4) is, for example, set to be the size of about 2/3 of the ALC plates.

Description

Reduce the flooring structure of impulsive sound
Technical field
The utility model relates to a kind of flooring structure that reduces impulsive sound.
Background technology
As one of floor impulsive sound reduction method of only building and apartment and flats, the method for the vibrationproof of being known as or buffering is arranged, that is, use vibration-proof material shock absorbing such as vibration-proof rubber with the generation of sound-inhibiting.Yet in using the reduction method of vibration-proof material, vibration-proof material is more soft, just more can reduce impulsive sound effectively, if but the vibration-proof material softness will cause for example to produce vibration damage or lose problems such as sense of stability as the floor.
The utility model content
In view of this problem, the utility model provides a kind of can be reduced impulsive sound effectively and don't can produce vibration damage or lose flooring structure as the sense of stability on floor.
The problems referred to above are to solve by following flooring structure, this flooring structure is characterised in that, the polylith floor is arranged in state adjacent one another are and makes end or the pars intermedia of this polylith floor (bed version) be carried on common corbel (being subjected to the け material), this corbel is towards the bearing of trend of joist, and is supported on joist via vibration-proof material.
In this flooring structure, owing to utilize common corbel carrying to be arranged in the polylith floor of state adjacent one another are, and between this corbel and joist the folder material that shakes of setting up defences, thereby make the deadweight of polylith floor act on vibration-proof material via corbel, can reduce the eigentone of vibrational system, therefore, can reduce impulsive sound, especially important place plate impulsive sound.Particularly under the situation that floor is made of light floors such as ALC plates, can effectively reduce impulsive sound.
And, owing to be to utilize the deadweight on floor to increase load that vibration-proof material bears to reduce the structure of eigentone, therefore, can also suppress lessly to the caused floor displacement amount of the stacking on the floor article, and can not lose as floor stability.
In addition, reduce eigentone and be the deadweight that acts on the floor of vibration-proof material by increase and carry out, therefore vibration damage can not take place.
At corbel by the situation along a plurality of vibration-proof materials supporting of joist bearing of trend arranged spaced, especially the size of space between the vibration-proof material is than the size of each piece floor all under the big situation, eigentone can be effectively reduced, thereby impulsive sound can be reduced more effectively.
Under the situation of corbel at least three positions in the longitudinal direction by the vibration-proof material supporting, when impact is input to the floor of a wherein side of vibration-proof material in the middle of the clamping, the deadweight of the floor of opposite side that just can be by this vibration-proof material of clamping suppresses the described wherein vibration of the floor of a side.That is, originally because floor and joist constitute the low frequency vibration meeting that one produces is absorbed by corbel, and the load of the both sides of the vibration-proof material by making the clamping centre interacts round about, can play attenuating.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the flooring structure of expression embodiment.
(a) among Fig. 2 is the homonymy drawing, is the I-I sectional view of (b) among Fig. 3, and (b) among Fig. 2 is the II-II sectional view of (a) among Fig. 2.
(a) among Fig. 3 is the vertical view of joist, and (b) among Fig. 3 is the vertical view that arranges under the state of floor.
Fig. 4 is the floor level figure of the exciting point position in the validation test of expression effect.
(a) among Fig. 5, (b) among Fig. 5 are respectively the curve maps of expression measurement result.
(a) among Fig. 6, (b) among Fig. 6 are respectively the sectional views of other embodiments of expression.
Description of reference numerals
1 joist
2 ALC plates (floor)
3 common corbels
4 vibration-proof materials
The specific embodiment
Below based on description of drawings embodiment of the present utility model.
In the flooring structure of Fig. 1 embodiment extremely shown in Figure 3, the 1st, joist, the 2nd, floor, the 3rd, corbel, the 4th, vibration-proof material.As shown in Figure 3, the flooring structure of present embodiment makes the polylith floor 2 that is arranged in state adjacent one another are be supported by joist 1 at its both ends and forms the floor, and the floor has the width of for example laying six tatamis, is arranged with six floors 2 along its long side direction.As shown in Figures 1 and 2, joist 1 is made of H shaped steel, and the ALC plate that floor 2 is square when overlooking constitutes.Above-mentioned floor 2 is supported in joist 1 via corbel 3 and vibration-proof material 4.
Corbel 3 is made of T-steel, has the length dimension of six floors 6 of carrying, and corbel 3 makes soffit of girder 3a last, and flange 3b is down, towards the length direction of joist 1, and is bearing on the joist 1 via vibration-proof material 4.Vibration-proof material 4 is made of rubber such as vibration-proof rubber or elastomeric parts etc., and at both ends and this three-point support corbel 3 of central portion of its length direction.That is, corbel 3 carries six floors 2 at its length direction, and distinguishes three carrying floors 2 between the vibrationproof support that vibration-proof material 4 limits.
This corbel 3 utilizes the upper surface carrying of flange portion that soffit of girder 3a is carried out a side of clamping joist 1 to be carried out the end soffit of six floors 2 of a side of clamping, and utilizes the upper surface carrying of flange portion that soffit of girder 3a is carried out the opposite side of clamping joist 1 to be carried out the end soffit of six floors 2 of the opposite side of clamping.In addition, sandwiched liner (ペ Off) 5 between corbel 3 and floor 2, this liner 5 is adjusted the irregularity of floor 2 adjacent one another are and is made floor 2 be easy to prevent secondary exciting sound simultaneously along laterally sliding.And, the soffit of girder 3a of this corbel 3 outstanding entering and avoid floor 2,2 in the floor 2 that accompanies joist 1,2 the gap.Shown in (a) among Fig. 2, corbel 3 is designed to the width dimensions of the upper flange 1a of the width dimensions of its flange 3b and joist 1 onesize, in addition, in order to improve the rigidity of corbel 3, the height dimension of soffit of girder 3a designs greatly as far as possible in the scope of not giving prominence to upward from the upper surface of floor 2.
In addition, in embodiment, the second axial moment of area of joist 1 is 1050cm 4About, corresponding to this, the second axial moment of area of corbel 3 is 114cm 4About.That is, be set to identical with the elastic displacement size of joist 1 under the situation that floor 2 directly is set to joist 1 with the elastic displacement of the corbel 3 of certain spacing supporting by vibration-proof material 4.
The gauge of vibration-proof material 4 just can greatly than the elastic deflection amount of corbel 3, thereby, if by being of a size of about 1800mm between vibration-proof material 4 determined vibrationproof supports, as long as then the gauge of vibration-proof material 4 is set at more than the 3mm, be preferably set to interior the getting final product of scope of 5~8mm.
And, shown in (b) among Fig. 2, floor 2 uses metal fixings 6 its hook 6a to be suspended on the lower face side of upper flange 1a of joist 1 and its hook 6a is fastening along the vertical direction, thereby is fixed in joist 1, fix by this, corbel 3 also is fixed in joist 1.That is, corbel 3 does not have the permanent position of laterally being fixed in movably on the joist 1 by frictional force and the vibration-proof material 4 of vibration-proof material 4 and joist 1 with the frictional force of corbel 3.Fix by this, the soffit of girder 3a that further also can make corbel 3 works as the skew stop of floor 2.6b is flexible member, and it is clamped between the soffit of upper flange 1a of the hook 6a of metal fixing 6 and joist 1.
During construction, as long as after to joist 1 vibration-proof material 4 and corbel 3 being set, placing floor 2 and utilize metal fixing 6 that floor 2 is fixed in joist 1 and get final product.The construction of vibration-proof material 4 and corbel 3 both can be set to vibration-proof material 4 on the joist 1 with predetermined distance, and make corbel 3 carryings thereon, also can in advance vibration-proof material 4 be installed on the soffit of the flange 3b of corbel 3 with predetermined distance, and make this corbel 3 with vibration-proof material 4 under mode be carried on joist 1.Can offer hole etc. at corbel 3, so that it can be sling by crane.Reference numeral 7 is the backing plane materiel as the finishing basis.
In above-mentioned flooring structure, utilize common corbel 3 carrying polylith floors 2 owing to constitute, and to pressing from both sides the material 4 that shakes of setting up defences between this corbel 3 and the joist 1, so that the deadweight of polylith floor 2 acts on the structure of vibration-proof material 4 via corbel 3, and constitute the direction of extending at joist 1 separate three floors 2 size the interval and utilize two ends, these 3 structures of corbel 3 being carried out the vibrationproof supporting of central authorities, therefore, the eigentone of vibrational system can be reduced, thereby impulsive sound, especially important place plate impulsive sound can be reduced effectively.
And, owing to be to constitute the structure that reduces eigentone by the deadweight of floor 2, therefore, can also suppress lessly to the caused floor displacement amount of the stacking on the floor article, and can not lose as floor stability, can not produce vibration damage yet.
In addition, since corbel 3 at the two ends of length direction and these 3 in central authorities supported by vibration-proof material 4, therefore, when impact was input to the floor of a wherein side of vibration-proof material 4 in the middle of the clamping, the deadweight of floor that just can be by opposite side suppressed this and impacts caused vibration.That is to say that originally floor is owing to constitute the low frequency vibration meeting that one produces with joist and absorbed by corbel, and the load of the both sides of the vibration-proof material by making the clamping centre interacts round about, can play attenuating.The attenuating elements of this moment is the elasticity that has of metal fixing 6, corbel 3 and vibration-proof material 4 etc.
In addition, according to above-mentioned flooring structure, can bring into play for example following various effect: no matter how the vibration characteristics of joist can both set vibration characteristics, can reach intended purposes at low cost, also can easily carry out the reply of complex scenario, rolling during the reply earthquake etc. are safety also, and owing to have several flexible members 1 from floor 2 to joist, therefore can prevent conducting solid sound.
In addition, in the position that the exciting point is arranged on Fig. 4, measure floor impulsive sound level and when averaging, obtained the result shown in (a) among Fig. 5.By this result as can be known, by implementing flooring structure of the present utility model, in the 63Hz zone of the performance evaluation that determines important place plate impulsive sound, the effect amount approximately becomes 5dB, can access a level and else improve effect.And if consider the characteristic of each exciting point, then as can be known, with different in the past, the central part effect in the floor span is just more obvious.In addition, if observe at the third-octave place, then shown in (b) among Fig. 5, the improvement amount is in the 50Hz(1/3 octave of difficulty relatively always before this) locate to reach 5~8dB, because the level of 80Hz is reduced by ceiling, therefore, by can further playing superiority with the combination of ceiling.
(a) among Fig. 6 is that expression is in the figure of the structure in the outer wall, for the matching relationship of outer wall panel 8 on reason, (a) among Fig. 6 is the structure under the situation that angle steel is used as corbel 3.Need to prove, under the situation that is curtain wall form etc., also can just use T-steel.
(b) among Fig. 6 expression is reduced to the soffit of floor 2 flooring structure of form of the upper surface below of joist 1, as long as the corbel 3 that makes this moment with about carrying be bonded into the cap shape with angle section 3c, 3c with metalwork 3d, and it is just passable that vibration-proof material 4 is folded between the upper flange 1a upper surface of metalwork 3d and joist 1.
More than represented embodiment of the present utility model, but the utility model is not limited to this, in the scope that does not break away from utility model thought, can carries out various changes.For example, though represented that in the above-described embodiment floor by the situation that the ALC plate constitutes, is not limited to this, no matter be iron and steel framed building thing, wooden buildings or panel type building, can be constituted by various floors, there is no question about for this.In addition, corbel need be the sort of rigid parts that possesses the required abundance of carrying floor, therefore generally speaking, corbel can form the structure at the overhang bracket floor of floor, but not necessarily leaveing no choice but is the end, also can constitute following structure, namely, make corbel have required rigidity, and the supporting of the pars intermedia between the end of floor floor.In addition, can be with various materials as vibration-proof material.
Therefore flooring structure of the present utility model can reduce impulsive sound effectively owing to be above-mentioned flooring structure, and can ultrasonic vibration not damage, and perhaps loses as floor stability.

Claims (2)

1. a flooring structure that reduces impulsive sound is characterized in that,
The polylith floor that is made of the ALC plate is arranged in state adjacent one another are and makes the end of this polylith floor or pars intermedia be carried on common corbel,
This corbel is towards the bearing of trend of joist, and via being supported on joist with a plurality of vibration-proof materials than the bigger size of space configuration of the size of each piece floor in the direction.
2. the flooring structure of reduction impulsive sound according to claim 1 is characterized in that, described corbel at least three positions are in the longitudinal direction supported by vibration-proof material.
CN 201320031544 2013-01-21 2013-01-21 Floor structure capable of reducing impact sound Expired - Fee Related CN203066313U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320031544 CN203066313U (en) 2013-01-21 2013-01-21 Floor structure capable of reducing impact sound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320031544 CN203066313U (en) 2013-01-21 2013-01-21 Floor structure capable of reducing impact sound

Publications (1)

Publication Number Publication Date
CN203066313U true CN203066313U (en) 2013-07-17

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ID=48765123

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320031544 Expired - Fee Related CN203066313U (en) 2013-01-21 2013-01-21 Floor structure capable of reducing impact sound

Country Status (1)

Country Link
CN (1) CN203066313U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110195756A (en) * 2019-06-28 2019-09-03 上海超颖声学科技有限公司 A kind of vibration suppression structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110195756A (en) * 2019-06-28 2019-09-03 上海超颖声学科技有限公司 A kind of vibration suppression structure

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Granted publication date: 20130717

Termination date: 20220121