TW202120782A - Floating floor structure - Google Patents

Abstract

A floating floor structure includes a base structure, a pluarity of bamboo ring pads, a splint layer and a surface layer. The base structure includes an upper surface. The pluarity of bamboo ring pads are arranged separatedly on the upper surface of the base structure. Each bamboo pad includes a bamboo growing direction, which is arranged perpendicular to the upper surface of the base structure. The splint layer covers on the top of the pluarity of bamboo ring pads and is supported thereby. The surface layer is arranged on the splint layer. When using PET plate layer or reactive powder concrete layer, in addition to providing bearing capacity, thinner PET plate layer can be selected to not only provide sufficient bearing capacity, but also reduce material cost.

Description

Floating floor structure

The invention provides a floor structure, in particular a floating floor structure.

The plywood structure in the floating floor is used to provide the flexural bearing capacity of the floor. However, if the laying thickness is insufficient or the floor stiffness is too low, it may cause excessive flexure and deformation of the floor, causing tensile damage at the bottom of the plywood, causing tensile cracks or even falling off of the tiles laid on top of it. In addition, the vibration isolation pad in the floating floor must have proper stiffness. If the vibration isolation pad has too high stiffness, it cannot achieve the effect of damping and dissipating the impact sound energy, and it will easily become a solid conduction path for sound in the floating floor. However, if the stiffness of the vibration isolation pad is too low, it may not meet the bearing capacity requirements of the floor slab, resulting in excessive vertical deflection of the floating floor.

In view of this, the present invention proposes a floating floor structure, including: a bottom structure having an upper surface; a plurality of bamboo ring vibration damping pads are arranged on the upper surface at intervals, and the bamboo ring vibration damping pads have bamboo grain growth texture directions. , The direction of the bamboo grain growth texture is perpendicular to the upper surface; the plywood layer is arranged on the bamboo ring vibration damping pad and supported by the bamboo ring vibration damping pad; and the surface material layer is arranged on the plywood layer.

The floating floor structure of the present invention is arranged through the bamboo ring vibration damping pad, and the hollow structure or bamboo joint structure of the bamboo ring vibration damping pad itself can not only provide proper stiffness and good vibration damping ability. Among them, the hollow structure of the bamboo ring and the fiber The gap can provide a good acoustic energy dissipation mechanism, thereby greatly improving the sound insulation performance of the floating floor.

Among them, the floating floor structure of the present invention may further include a plurality of glass wool pads, each glass wool pad is respectively arranged on the upper surface of the underlying structure and located between the bamboo ring vibration damping pads, and the plywood layer is also covered on the bamboo ring Damping pad and glass wool pad. The arrangement of glass wool pads between adjacent bamboo ring damping pads further achieves the effect of noise reduction.

In addition, the floating floor structure of the present invention may further include a layer of glass wool, which is laid on the upper surface of the bottom structure. The glass wool layer is provided with a plurality of containing holes, and the bamboo ring vibration damping pads are respectively contained in the containing holes, The plywood layer is also covered on the bamboo ring vibration damping pad and the glass wool layer, which can also achieve the effect of noise reduction.

Furthermore, the bamboo ring vibration damping pad of an embodiment of the present invention can be evenly distributed on the upper surface, and evenly supports the plywood layer. Among them, the above-mentioned bamboo ring vibration damping pads may be separated from each other in the range of 105 cm to 115 cm, or the distance between the bamboo ring damping pads may be in the range of 105 to 110 cm.

In addition, the diameter of each bamboo ring vibration damping pad in another embodiment of the present invention may preferably be in the range of 7 cm to 10 cm, or may be in the range of 8 to 9 cm.

In another embodiment of the present invention, the thickness of each bamboo ring vibration damping pad may preferably be in the range of 25 mm to 50 mm, or may be in the range of 30 to 40 mm.

In yet another embodiment of the present invention, the sandwich layer may include a polymer material layer. Among them, the polymer material layer may be a PET sheet layer. In addition, the thickness of the aforementioned PET sheet layer may preferably be in the range of 1 cm to 4 cm, or may be in the range of 2 to 3 cm. By choosing a thinner PET sheet layer, sufficient load-bearing capacity can be provided without causing excessive flexural deformation of the floor slab, thereby reducing the required material cost. At the same time, it can also improve the sound insulation performance of the impact sound of the floating floor.

The plywood layer in another embodiment of the present invention may include an active powder concrete layer. In addition, the thickness of the aforementioned reactive powder concrete layer may preferably be in the range of 1 cm to 3 cm, or may be in the range of 2 to 3 cm. By selecting the active powder concrete layer to provide sufficient bearing capacity of the floating floor, it will not cause excessive deflection and deformation of the floor.

The detailed features and advantages of the present invention are described in detail in the following embodiments, and the content is sufficient to enable anyone familiar with the relevant art to understand the technical content of the present invention and implement it accordingly, and in accordance with the content disclosed in this specification, the scope of patent application and the drawings Anyone who is familiar with relevant skills can easily understand the purpose and advantages of the present invention.

Please refer to FIGS. 1 and 2. FIG. 1 is an exploded view of the floating floor structure according to the first embodiment of the present invention. Figure 2 is a schematic diagram of the assembly of the floating floor structure of the first embodiment of the present invention. The floating floor structure of this embodiment includes: a bottom structure 10, a plurality of bamboo ring vibration damping pads 20, a plywood layer 30, and a surface material layer 40.

Among them, the bottom structure 10 is preferably a plane structure composed of reinforced concrete, as the basic bearing structure layer of the floating floor structure of this embodiment, which has a slightly flat upper surface 11, which can be used to carry various layers material.

Figure 1 shows a plurality of bamboo ring damping pads 20, which are preferably made from natural bamboo, which is a circular ring structure cut into segments perpendicular to the direction of bamboo grain growth. It is a damping pad made by anti-corrosion and other technology, but it is not limited to this. The diameter of each bamboo ring vibration damping pad 20 is preferably in the range of 7 cm to 10 cm, for example: 7 cm, 7.5 cm, 8 cm, 8.5 cm, 9 cm, and 10 cm. And its thickness along the direction of the bamboo grain growth texture is preferably in the range of 25mm to 50mm, for example: 25mm, 30mm, 35mm, 40mm, 45mm, 50mm.

The floating floor structure of this embodiment further includes a plurality of glass wool pads 21, and the glass wool pads 21 are respectively arranged on the upper surface 11 of the substructure 10 and located between each bamboo ring vibration damping pad 20. Based on this, the plywood layer 30 covers the bamboo ring vibration damping pad 20 and the glass wool pad 21 together. The floating floor structure of this embodiment achieves the effects of noise reduction and vibration reduction by filling glass wool pads 21 between adjacent bamboo ring vibration damping pads 20.

Please refer to FIGS. 3 and 4. FIG. 3 is a graph of the average sound pressure level of impact sound with different thicknesses of the bamboo ring vibration damping pad of this embodiment. Fig. 4 is a graph showing the evaluation curve of impact sound pressure level of the bamboo ring vibration damping pad of this embodiment with different thicknesses.

。本實施例配將不同浮動樓板數值分析所求得之

，減去裸樓板（底層結構）之

，轉換獲得不同浮動樓板之隔音值

，此隔音值乃表示設置浮動樓板所能改善或降低之音壓值。The impact sound insulation performance evaluation standard of this embodiment is a 1/3 octave band evaluation method. The average sound pressure curve obtained by numerical analysis is converted into the impact sound pressure level.

. This embodiment is equipped with the numerical analysis of different floating floor slabs.

, Minus the bare floor (underlying structure)

, Convert to obtain the sound insulation value of different floating slabs

, This sound insulation value represents the sound pressure value that can be improved or reduced by installing floating floor slabs.

Based on this, choose a bamboo ring vibration damping pad 20 with a diameter of 8 cm (B80), and arrange them with a spacing of 110 cm (Spacing). When an active concrete layer is used, the numerical analysis results of impact sound insulation are shown in the following table, the average sound pressure level curve of impact sound is shown in Figure 3, and the impact sound sound pressure level evaluation curve is shown in Figure 4.

material Bare floor B80-H25 (S=110cm) B80-H50 (S=110cm)

(dB)

(dB) 74 39 33

(dB) - 35 41

為74，當竹環減振墊20厚度為2.5公分（H25）時，此浮動樓板配置方式可改善35分貝之衝擊音，由音壓曲線圖可看出，其隔音改善以高頻音為主。若改變竹環減振墊20厚度為5公分（H50），其衝擊音平均，隔音值能提升至41分貝。According to the analysis result, the sound pressure level of bare floor (underlying structure) without floating floor is set

When the thickness of the bamboo ring damping pad 20 is 2.5 cm (H25), this floating floor configuration can improve the impact sound of 35 decibels. It can be seen from the sound pressure graph that the sound insulation improvement is mainly high-frequency sound . If the thickness of the bamboo ring vibration damping pad 20 is changed to 5 cm (H50), the impact sound is average, and the sound insulation value can be increased to 41 decibels.

Generally, the vibration isolation cushion in the floating floor must have proper stiffness. If the vibration isolation cushion is too high, it will not achieve the effect of damping and dissipating the impact sound energy, and it will easily become a solid conduction path for sound in the floating floor. However, if the stiffness of the vibration isolation pad is too low, it may not meet the bearing capacity requirements of the floor, which will cause the vertical deflection of the floating floor to be too large. Therefore, the bamboo ring vibration damping pad 20 used in this embodiment can not only provide proper stiffness and good vibration damping ability through the hollow structure or bamboo joint structure of the bamboo ring itself, the hollow structure of the bamboo ring and the gap between the fibers can also provide Good acoustic energy dissipation mechanism. Therefore, cutting the bamboo into bamboo ring vibration damping pad 20 and applying it to the bottom structure 10 of the floating floor structure of the present embodiment can use its acoustic characteristics to improve the sound insulation performance of the impact sound of the floating floor.

Based on this, the bamboo ring vibration damping pads 20 of this embodiment are arranged on the upper surface 11 of the underlying structure 10 at intervals. Since each bamboo ring vibration damping pad 20 is an inverted-cut circular ring structure, each The bamboo grain growth direction of a bamboo ring vibration damping pad 20 is arranged vertically on the upper surface 11 of the underlying structure 10. As bamboo has high compressive strength in the vertical direction, appropriate stiffness and good vibration damping capacity, the bamboo ring vibration damping pad 20 is arranged in a larger spacing arrangement, which can still make the bearing capacity of the floating floor meet the standard and reduce Material consumption.

In this embodiment, the plywood layer 30 preferably includes a polymer material layer or a reactive powder concrete (RPC) layer. For example, the polymer material layer may be a PET sheet layer. Based on this, the plywood layer 30 is arranged to cover each bamboo ring vibration damping pad 20 and is supported by each bamboo ring vibration damping pad 20. Due to the higher tensile strength of the PET sheet layer, if it is used as the plywood in the floating floor, a thinner thickness can still be used to meet the load-bearing conditions without tensile damage. This can reduce the thickness of the plywood layer 30 and increase the interior Use space. And due to the low stiffness of the PET sheet layer, it can also simultaneously improve the sound insulation performance of the impact sound of the floating floor.

In addition, when the plywood layer 30 is a PET sheet layer, the thickness of the PET sheet layer is in the range of 1 cm to 4 cm. When the plywood layer 30 is an active concrete layer, the thickness of the active concrete layer is in the range of 1 cm to 3 cm. Please refer to the mechanical numerical analysis of the bamboo ring damping pad 20 in the following table. This is an analysis of whether the maximum tensile stress at the bottom of the plywood layer 30 and the vertical displacement of the floating floor are appropriate. Here, the distance between the bamboo ring vibration damping pad 20 is 110cm, and the bamboo ring vibration damping pad 20 has a diameter of 80mm and a thickness of 25mm:

Splint material Active concrete layer PET sheet layer Splint thickness 1cm 2cm 3cm 1cm 2cm 3cm 4cm Centralized load Maximum tensile stress (MPa) 15.2 13.2 10.1 1.02 1.56 1.78 1.77 Maximum vertical Displacement (mm) 1.624 1.051 0.733 2.96 2.75 2.455 2.11 Uniform load Maximum tensile stress (MPa) 0.169 0.183 0.166 0.025 0.021 0.025 0.027 Maximum vertical Displacement (mm) 0.077 0.052 0.038 0.133 0.125 0.114 0.1

Although the plywood layer 30 of this embodiment includes an active concrete layer or a PET board layer. However, it can be clearly seen from the mechanical numerical analysis results in the above table that when the plywood layer 30 is an active concrete layer, although the maximum tensile stress of the plywood layer 30 does not exceed its tensile strength, the stress is already quite large. When the splint layer 30 is a PET sheet layer, the maximum tensile stress of the PET sheet layer is significantly smaller than that of the RPC splint. Therefore, in this embodiment, a thinner PET sheet layer can be used to provide sufficient load-bearing capacity, and Can reduce the cost of materials required. In addition, since the bamboo grain growth direction of the bamboo ring vibration damping pad 20 is vertical, its compressive strength is relatively high, about 60 MPa. Therefore, when the bamboo ring vibration damping pads 20 are arranged at a distance of 110 cm or larger, the bearing capacity of the floating floor structure of this embodiment can still meet the standard, and the amount of material can be reduced.

與

。Please refer to FIG. 5 and FIG. 6 again. FIG. 5 is a graph of the average sound pressure level of the impact sound of different plywood layers in this embodiment. Fig. 6 is a graph showing the evaluation curve of impact sound pressure level of different plywood layers in this embodiment. The following table shows the influence of different plywood layers on the bamboo ring damping pad 20 with a diameter of 80mm and a thickness of 25mm (B80-H25)

versus

.

material Bare floor Active concrete layer 3cm PET sheet layer 3cm

 (dB)

(dB) 74 39 twenty three

(dB) - 35 51

It can be clearly seen from the above table and Figures 5 and 6 that when the active concrete layer and PET sheet layer of the same thickness are used for analysis, the PET sheet layer can improve the sound insulation value compared with the active concrete layer of the same thickness. Mainly improve high-frequency impact sound.

The surface material layer 40 of this embodiment is arranged on the plywood layer 30 to cover it. Based on this, the surface material layer 40 may be a floor tile, a floor, a bamboo floor, a carpet, a marble, a floor coating, a floor, or a plastic floor, etc. Among them, floor tiles are divided into glazed tiles, whole body tiles, polished tiles, vitrified tiles and mosaics, etc.; floors are divided into: laminate flooring, solid wood composite flooring (three-layer solid wood, multi-layer solid wood), solid wood flooring, cork flooring and so on. The aforementioned surface material layer 40 is only an example, and the present invention is not limited thereto.

Please refer to FIG. 7, which is an exploded view of the floating floor structure of the second embodiment of the present invention. In the floating floor structure of this embodiment, a glass wool layer 21 is added, and the entire surface is laid on the upper surface 11 of the substructure 10. Wherein, the glass wool layer 21 is provided with a plurality of accommodating holes 22. Through the arrangement of the accommodating holes 22, the bamboo ring vibration damping pad 20 can be accommodated in each accommodating hole 22 respectively. Based on this, the plywood layer 30 covers the bamboo ring vibration damping pad 20 and the glass wool layer 21 together. The difference from the previous embodiment is that this embodiment embeds the bamboo ring vibration damping pad 20 through the glass wool layer 21 through the accommodating hole 22, which will make the glass wool layer 21 and the bamboo ring vibration damping pad 20 more closely adhere to each other. , And produce better noise reduction and vibration reduction effect.

However, regardless of the structure design of the glass wool pad 21 or the glass wool layer 21, each bamboo ring vibration damping pad 20 is evenly arranged on the upper surface 11 of the underlying structure 10. Moreover, each bamboo ring vibration damping pad 20 is preferably separated from each other in the range of 105 cm to 115 cm, for example, 105 cm, 110 cm, 115 cm. However, this embodiment is not limited to this. When the floating floor structure of the present invention has a load concentrated in a certain area, the bamboo ring vibration damping pad 20 can be densely arranged in the area with a larger load depending on the needs.

The invention is arranged on the upper surface of the bottom structure through the bamboo ring vibration damping pad, and the bamboo grain growth direction is perpendicular to the upper surface, which can not only improve the sound insulation performance of the impact sound of the floating floor, but also provide the bearing capacity. The plywood layer can be covered with an active concrete layer or a PET sheet and set on the bamboo ring vibration damping pad, so that the plywood structure in the floating floor can not only provide the floor slab flexural bearing capacity, but also prevent the bottom from generating tensile damage, causing the paving to be attached to the top. The tiles appear tensile cracks and even fall off. And through analysis, the floating floor structure of the present invention can obviously improve the sound insulation performance of the floor impact sound, and it can recycle waste materials and increase the use of natural ecological materials. In addition to reducing material costs, it also achieves environmental protection goals.

Although the technical content of the present invention has been disclosed in the preferred embodiments as above, it is not intended to limit the present invention. Anyone who is familiar with this technique and makes some changes and modifications without departing from the spirit of the present invention should be covered by the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of the attached patent application.

10: Underlying structure 11: upper surface 20: Bamboo ring damping pad 21: Glass wool pad / glass wool layer 22: accommodating hole 30: plywood layer 40: surface material layer

[Figure 1] is an exploded view of the floating floor structure of the first embodiment of the present invention. [Figure 2] is a schematic diagram of the assembly of the floating floor structure of the first embodiment of the present invention. [Figure 3] It is a graph of the average sound pressure level of impact sound with different thicknesses of the bamboo ring vibration damping pad of the first embodiment of the present invention. [Figure 4] It is a graph of the impact sound pressure level evaluation curve of the bamboo ring vibration damping pad of the first embodiment of the present invention with different thicknesses. [Figure 5] It is a graph of the average sound pressure level of impact sound of different plywood layers in the first embodiment of the present invention. [Figure 6] It is a graph of the impact sound pressure level evaluation curve of different plywood layers in the first embodiment of the present invention. [Figure 7] is an exploded view of the floating floor structure of the second embodiment of the present invention.

10: Underlying structure

11: upper surface

20: Bamboo ring damping pad

21: Glass wool pad / glass wool layer

30: plywood layer

40: surface material layer

Claims (12)

A floating floor structure including: A bottom structure with an upper surface; A plurality of bamboo ring vibration damping pads are arranged on the upper surface at intervals, and each of the bamboo ring vibration damping pads has a bamboo grain growth texture direction, and the bamboo grain growth texture direction is perpendicular to the upper surface; A plywood layer covering the bamboo ring damping pads and being supported by the bamboo ring damping pads; and A surface material layer is arranged on the plywood layer. The floating floor structure according to claim 1, further comprising a plurality of glass wool pads, the glass wool pads are respectively arranged on the upper surface and located between the bamboo ring vibration damping pads, and the plywood layer is collectively Covering the bamboo ring vibration damping pads and the glass wool pads. The floating floor structure according to claim 1, which further includes a glass wool layer laid on the upper surface, the glass wool layer is provided with a plurality of accommodating holes, and the bamboo ring vibration damping pads are respectively accommodated in the upper surface. In the accommodating holes, the plywood layer covers the bamboo ring vibration damping pads and the glass wool layer together. The floating floor structure according to claim 1, wherein the bamboo ring vibration damping pads are evenly arranged on the upper surface and evenly support the plywood layer. The floating floor structure according to claim 4, wherein the bamboo ring vibration damping pads are spaced from each other in the range of 105 cm to 115 cm. The floating floor structure according to claim 1, wherein the diameter of each bamboo ring vibration damping pad is in the range of 7 cm to 10 cm. The floating floor structure according to claim 1, wherein the thickness of each bamboo ring vibration damping pad is in the range of 25mm to 50mm. The floating floor structure according to claim 1, wherein the plywood layer includes a polymer material layer. The floating floor structure according to claim 8, wherein the polymer material layer is a PET sheet layer. The floating floor structure according to claim 9, wherein the thickness of the PET sheet layer is in the range of 1 cm to 4 cm. The floating floor structure according to claim 1, wherein the plywood layer includes an active powder concrete layer. The floating floor structure according to claim 11, wherein the thickness of the reactive powder concrete layer is in the range of 1 cm to 3 cm.

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