Vibration-reducing and sound-insulating floating floor structure for multifunctional indoor sports venue

Abstract

The utility model discloses a multi-functional indoor sports venue vibration damping and sound insulation floating floor structure which comprises a structural floor layer, a first mortar leveling layer, an XPS extruded sheet, a second mortar leveling layer and a single-layer keel sports floor, the first mortar leveling layer is laid on the structural floor layer, the XPS extruded sheet is laid on the first mortar leveling layer, the second mortar leveling layer is laid on the single-layer keel sports floor, and the single-layer keel sports floor is laid on the second mortar leveling layer. The second mortar leveling layer is laid on the XPS extruded sheet, and the single-layer keel sports floor is laid on the second mortar leveling layer. The floating floor slab has the advantages that the problems of floor slab vibration and secondary noise caused by basketball sports are solved in the mode that the XPS extruded sheet and the single-layer keel sports floor are arranged in a combined mode, and the XPS extruded sheet is provided with a perfect closed-hole honeycomb mechanism; vibration generated by daily activities of people and basketball sports can be effectively isolated from the floor, impact and vibration force on the floor are absorbed, vibration transmission is reduced, the vibration reduction effect is good, noise transmission can be effectively avoided, and the sound insulation performance is excellent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of indoor venue vibration reduction and sound insulation, particularly relates to a multifunctional indoor sports venue vibration reduction and sound insulation floating building floor structure. BACKGROUND

[0002] With the improvement of economic level in our country, the construction industry develops rapidly, and modern engineering structure tends to be large-span, light and flexible more and more, and the structural vibration caused by people's activities becomes more and more obvious. This vibration usually does not cause problems to the safety of the structure, but brings discomfort to the people in the building, even causes nervousness and panic psychology, affects their normal life, that is, the so-called comfort problem. And with the progress of structural design method and the use of new building materials, and in order to meet the needs of people for life quality, modern sports venues gradually develop from traditional single-layer structure to double-layer or even multi-layer structure, and the function also develops from single to comprehensive.

[0003] For example, modern sports venues are not only indoor sports venues, but also include conference rooms, libraries, commercial areas, restaurants, leisure areas and other functional areas. However, vibration and noise can be transmitted to other parts of the building through the structure, thereby affecting the normal use of other functional areas, so that people in the building feel uncomfortable. Especially when carrying out high-intensity basketball games, running in step or synchronous jumping of the audience and other gathering synchronous movements, the structure may produce large amplitude vibration and noise. In order to solve this problem, corresponding measures need to be taken to reduce the transmission of vibration and noise, so as to ensure the normal use of functional rooms and improve comfort.

[0004] Therefore, in view of the above technical problems, it is necessary to provide a multifunctional indoor sports venue vibration reduction and sound insulation floating building floor structure. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a multifunctional indoor sports venue vibration reduction and sound insulation floating building floor structure to solve the problems in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0007] A multifunctional indoor sports venue vibration reduction and sound insulation floating building floor structure, comprising a structural floor layer, a first mortar leveling layer, an XPS extruded board, a second mortar leveling layer and a single-layer keel sports floor, the first mortar leveling layer is laid on the structural floor layer, the XPS extruded board is laid on the first mortar leveling layer, the second mortar leveling layer is laid on the XPS extruded board, and the single-layer keel sports floor is laid on the second mortar leveling layer.

[0008] Preferably, a steel mesh layer is arranged between the second mortar screed layer and the XPS extruded board.

[0009] Preferably, the XPS extruded board is a hard foam plastic board with closed-cell honeycomb structure, and the thickness is 50-70mm, preferably 50mm.

[0010] Preferably, the structural floor layer is a reinforced concrete floor, and the thickness is 110-130mm, preferably 120mm.

[0011] Preferably, the first mortar screed layer is a cement mortar screed layer or a self-leveling mortar screed layer, and the thickness is 18-30mm, preferably 20mm.

[0012] Preferably, the second mortar screed layer is a steel mesh plus cement mortar screed layer or a self-leveling mortar screed layer, and the thickness is 28-40mm, preferably 30mm.

[0013] Preferably, the single-layered sports floor board comprises a floor surface layer, a moisture-proof layer, a floor base layer, a furring and a damping pad, the furring is arranged on the damping pad, the floor base layer is arranged on the furring, the moisture-proof layer is arranged on the floor base layer, and the floor surface layer is arranged on the moisture-proof layer.

[0014] Preferably, a plurality of spaced damping shock absorbers are arranged in the furring, the damping shock absorber is sleeved with a spring, the damping shock absorber comprises a fixed cylinder and a damping rod, the damping rod is inserted into the fixed cylinder through a piston, the fixed cylinder is filled with damping liquid, and the piston is provided with a plurality of annularly distributed damping holes.

[0015] Preferably, the furring is filled with superfine glass wool in the voids.

[0016] Preferably, the furring is made of aluminum alloy rod, solid wood square material or laminated veneer lumber, and the floor base layer is specifically solid wood board, plywood or oriented strand board.

[0017] Preferably, the floor surface layer is solid wood floor, solid wood composite wood floor, solid wood integrated floor or impregnated paper laminated wood floor, and the thickness is generally 25mm; the moisture-proof layer is SBS, non-woven fabric or APP macromolecular waterproof material.

[0018] The utility model has the advantages that: the utility model discloses floating floor slab through the combination arrangement mode of XPS extruded sheet and single-layer keel sports floor, solves the floor vibration and secondary noise problem caused by basketball movement, reaches excellent damping, sound insulation effect, significantly improves the comfort and experience of adjacent room, and the floating floor slab is simple to manufacture and install, and the XPS extruded sheet has perfect closed-cell honeycomb mechanism, can effectively isolate the vibration generated by daily activities of the crowd and basketball movement and the floor, and absorb the impact and vibration force on the floor, reduce the transmission of vibration, and has good damping effect, at the same time, the extruded sheet has a large number of small pores, has good sound absorption characteristics, is typical porous sound absorption material, has high efficient sound absorption performance, can effectively avoid the spread of noise, and has excellent sound insulation performance. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the single-layer keel sports floor schematic diagram of the utility model;

[0022] Figure 3 It is the keel plane structure schematic diagram of the utility model;

[0023] Figure 4 It is the damping shock absorber structure schematic diagram of the utility model;

[0024] Figure 5 It is the piston structure diagram of the utility model;

[0025] Figure 6 It is the 1 / 3 octave band diagram of the vibration acceleration level of the utility model;

[0026] Figure 7 It is the standardized impact sound pressure level curve diagram of the utility model.

[0027] The figure mark: 1, structural floor layer; 2, first mortar leveling layer; 3, XPS extruded board; 4, second mortar leveling layer; 5, single layer keel sports floor; 6, steel mesh layer; 501, floor surface layer; 502, moisture-proof layer; 503, floor layer; 504, keel; 505, damping pad; 7, damping shock absorber; 701, fixed cylinder; 702, damping rod; 703, piston; 704, damping hole; 8, spring. DETAILED DESCRIPTION

[0028] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] As shown in the figure, an embodiment provided by the utility model: Figures 1 to 7

[0030] A kind of multi-functional indoor sports venue damping sound insulation floating building floor structure, including structural floor layer 1, first mortar leveling layer 2, XPS extruded board 3, second mortar leveling layer 4 and single layer keel sports floor 5, the first mortar leveling layer 4 is laid on structural floor layer 1, the XPS extruded board 3 is laid on first mortar leveling layer 2, the second mortar leveling layer 4 is laid on XPS extruded board 3, and the single layer keel sports floor 5 is laid on second mortar leveling layer 4.

[0031] Further, the second mortar leveling layer 4 and XPS extruded board 3 are provided with steel mesh layer 6.

[0032] Further, the XPS extruded board 3 is hard foam plastic board of closed-cell honeycomb structure, and the thickness is 50-70mm, preferably 50mm.

[0033] Further, the structural floor layer 1 is reinforced concrete floor, and the thickness is 110-130mm, preferably 120mm.

[0034] Further, the first mortar leveling layer 2 is cement mortar leveling layer or self-leveling mortar leveling layer, and the thickness is 18-30mm, preferably 20mm.

[0035] Further, the second mortar leveling layer 4 is steel mesh plus cement mortar leveling layer or self-leveling mortar leveling layer, and the thickness is 28-40mm, preferably 30mm.

[0036] ​Further, the single-layer keel sports floor 5 comprises a floor surface layer 501, a moisture-proof layer 502, a subfloor layer 503, a keel 504 and a damping pad 505, the keel 504 is paved on the damping pad 505, the subfloor layer 503 is paved on the keel 504, the moisture-proof layer 502 is paved on the subfloor layer 503, and the floor surface layer 501 is paved on the moisture-proof layer 502.

[0037] The further technical scheme has the beneficial effects that the moisture-proof layer 502 has the moisture-proof effect, and avoids water from seeping into the ground to cause the floor to corrode.

[0038] Further, a plurality of interval damping shock absorbers 7 are arranged in the keel 504, the damping shock absorber 7 is sleeved with a spring 8, the damping shock absorber 7 comprises a fixed cylinder 701 and a damping rod 702, the damping rod 702 is inserted into the fixed cylinder 701 through a piston 703, the fixed cylinder 701 is filled with damping liquid, and the piston 703 is provided with a plurality of annularly distributed damping holes 704.

[0039] The further technical scheme has the beneficial effects that the damping pad 505, the damping shock absorber 7 and the spring 8 all have the damping effect, and have the noise reduction effect in the use process.

[0040] Further, the gap of the keel 504 is filled with superfine glass wool.

[0041] The further technical scheme has the beneficial effects that the superfine glass wool has the sound absorption and noise reduction effect, the flame-retardant and heat-insulating effect, and the good damping effect.

[0042] Further, the keel 504 is made of an aluminum alloy rod, a solid wood square material or a laminated veneer lumber, and the subfloor layer 503 is a solid wood board, a plywood or an oriented strand board.

[0043] Further, the floor surface layer 501 is a solid wood floor, a solid wood composite wood floor, a solid wood integrated floor or an impregnated paper laminated wood floor, and the thickness is generally 25mm; and the moisture-proof layer 502 is an SBS, a non-woven fabric or an APP polymer waterproof material.

[0044] The utility model has the advantages that: the utility model floating construction floor solves the floor vibration and secondary noise problem caused by basketball movement through the combination arrangement mode of XPS extruded sheet 3 and single layer keel sports floor, achieves excellent damping and sound insulation effect, significantly improves the comfort and experience of the adjacent room, the floating construction floor is simple to manufacture and install, the XPS extruded sheet has perfect closed cell mechanism, can effectively isolate the vibration caused by daily activities of the crowd and basketball movement from the floor, absorb the impact and vibration force on the floor, reduce the vibration transmission, has good damping effect, the extruded sheet has a large number of small pores, has good sound absorption characteristics, is typical porous sound absorption material, has efficient sound absorption performance, can effectively avoid the spread of noise, and has excellent sound insulation performance.

[0045] The XPS extruded sheet 3 is a closed cell structure hard foam plastic, is widely applied to building thermal insulation, waterproofing, damping and other fields due to its unique structure and performance, the closed cell structure not only gives it very high compressive strength, can withstand large pressure without deformation, is suitable for various engineering environments, but also can effectively absorb and buffer vibration energy and block sound wave propagation, has good damping effect and good sound insulation performance.

[0046] The XPS extruded sheet is made of environment-friendly materials, does not contain fluorine chlorocarbon substances, has no pollution to the environment, is not easy to be corroded by acid, alkali, salt and other substances, and can maintain good performance in various harsh environments. Meanwhile, the XPS extruded sheet is light in weight, easy to cut and install, and convenient for construction. Figure 6 Figure 7 The vibration acceleration of the upper and lower surfaces of the floor under the action of constant load and the sound pressure under the floor before and after the model is installed are measured through the test on the floating construction floor model made on site, the vibration acceleration level insertion loss of the 1 / 3 octave center frequency 0-80Hz range and the normalized impact sound pressure level improvement amount of 100-5000Hz are calculated, which are respectively taken as the evaluation indexes of damping effect and sound insulation performance, the vibration can be reduced by 41.73dB in 0-80Hz, and the sound can be insulated by 25.87dB in 100-5000Hz, the floating construction floor has good damping effect and sound insulation performance, and the economic cost is low.

[0047] Table 1 vibration acceleration level and normalized impact sound pressure level

[0048]

[0049]

[0050] ​In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "mount", "link", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For the ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model according to the specific circumstances.

[0051] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, i.e., can be located in one place, or can be distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to actual needs. Those skilled in the art can understand and implement without creative labor.

[0052] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, but not to limit them;Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features;And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure, characterized in that: The application relates to a floor structure, which comprises a structural floor layer (1), a first mortar leveling layer (2), an XPS extruded board (3), a second mortar leveling layer (4) and a single-layer keel sports floor (5), wherein the first mortar leveling layer (2) is laid on the structural floor layer (1), the XPS extruded board (3) is laid on the first mortar leveling layer (2), the second mortar leveling layer (4) is laid on the XPS extruded board (3), and the single-layer keel sports floor (5) is laid on the second mortar leveling layer (4).

2. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure as claimed in claim 1, characterized in that: A steel mesh layer (6) is arranged between the second mortar leveling layer (4) and the XPS extruded board (3).

3. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure as claimed in claim 1, characterized in that: The XPS extruded board (3) is a hard foam plastic board with a closed-cell honeycomb structure.

4. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure as claimed in claim 1, characterized in that: The structural floor layer (1) is a reinforced concrete floor.

5. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure as claimed in claim 1, characterized in that: The first mortar leveling layer (2) is a cement mortar leveling layer or a self-leveling mortar leveling layer.

6. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure as claimed in claim 1, characterized in that: The second mortar leveling layer (4) is a steel mesh and cement mortar leveling layer or a self-leveling mortar leveling layer.

7. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure as claimed in claim 1, characterized in that: The single-layer keel sports floor (5) comprises a floor surface layer (501), a moisture-proof layer (502), a subfloor layer (503), a keel (504) and a damping pad (505), wherein the keel (504) is laid on the damping pad (505), the subfloor layer (503) is laid on the keel (504), the moisture-proof layer (502) is laid on the subfloor layer (503), and the floor surface layer (501) is laid on the moisture-proof layer (502).

8. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure as claimed in claim 7, characterized in that: A plurality of spaced damping shock absorbers (7) are arranged in the keel (504), the damping shock absorber (7) is sleeved with a spring (8), the damping shock absorber (7) comprises a fixing cylinder (701) and a damping rod (702), the damping rod (702) is inserted into the fixing cylinder (701) through a piston (703), the fixing cylinder (701) is filled with damping liquid, and the piston (703) is provided with a plurality of annularly distributed damping holes (704).

9. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure as claimed in claim 7, characterized in that: The voids of the keel (504) are filled with superfine glass wool.

10. A multi-functional indoor sports venue vibration and sound isolation floating floor slab structure as claimed in claim 7, characterized in that: The keel (504) is made of an aluminum alloy rod, a solid wood square material or a laminated veneer lumber, the subfloor layer (503) is a solid wood board, a plywood or an oriented strand board, the floor surface layer (501) is a solid wood floor, a solid wood composite wood floor, a solid wood integrated floor or an impregnated paper laminated wood floor, and the moisture-proof layer (502) is an SBS, a non-woven fabric or an APP polymer waterproof material.

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