Floating floor structure for sound insulation and vibration reduction of equipment room
By adopting a floating floor structure in the computer room, combined with a combination of frame isolation strips, wooden formwork, rock wool boards and elastic vibration damping blocks, the problems of poor low-frequency isolation effect, high construction difficulty and high cost of existing computer room vibration reduction and sound insulation methods are solved, achieving significant vibration reduction and sound insulation effect and construction convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGZHOU MECHANICAL & ELECTRICAL INSTALLATION CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-08-04
AI Technical Summary
Existing vibration reduction and sound insulation methods for computer rooms have problems such as limited low-frequency isolation effect, high construction difficulty, high cost, and poor sound insulation effect, and may affect the stability and safety of building structure.
The floating floor structure consists of a concrete floor slab structure layer, a sound insulation and vibration damping layer, a waterproof structure layer, and a floating layer. By installing a frame isolation strip on one side of the perimeter structure, the sound insulation and vibration damping layer is separated from the main building. Wooden formwork and a flexible waterproof membrane are laid under the floating layer, along with a combination of rock wool boards and elastic vibration damping blocks, to form an effective vibration reduction and sound insulation system.
It significantly reduces vibration frequency and noise transmission during equipment operation, improves sound insulation, waterproofing and dustproofing functions, reduces the risk of moisture, is convenient and cost-effective to construct, is simple, safe and reliable to install, and has a good vibration reduction effect.
Smart Images
Figure CN224591729U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction technology, and in particular to a floating floor structure for sound insulation and vibration reduction of computer room equipment. Background Technology
[0002] Existing high-rise buildings are required to have refuge floors, which house equipment rooms directly serving the fire protection and disaster prevention needs of the refuge floor or the entire building. These equipment rooms, such as exhaust fan rooms, smoke extraction fan rooms, and ventilation fan rooms, must be completely separated from the refuge area by fire-resistant walls with a fire resistance rating of not less than 3.00 hours. During normal operation, these equipment rooms generate significant vibration and noise, severely impacting the office environment on adjacent floors. The vibrations from these devices propagate through their bases to the building floors, potentially affecting the stable operation of precision instruments, causing noise pollution, reducing equipment lifespan, and posing a potential threat to building structural safety and user comfort. Existing vibration reduction and sound insulation methods for these equipment rooms mainly include the following three:
[0003] The first method is to add soundproofing structures to the existing building structure, such as soundproof walls and soundproof ceilings;
[0004] The second method is to construct a concrete foundation on the building floor slab to increase the weight and rigidity of the foundation, thereby reducing the impact of vibration on the floor slab.
[0005] The third method is to use steel frames or steel plates as floating foundations for the vibration isolation system.
[0006] Existing vibration damping and sound insulation structure designs have the following shortcomings:
[0007] 1) The first type of vibration reduction and sound insulation structure involves constructing a concrete foundation on the floor slab. This method has limited isolation effect on low-frequency vibrations, and its vibration reduction and sound insulation effect is not obvious.
[0008] 2) The second type of vibration reduction and sound insulation structure is to add soundproof walls, soundproof ceilings, etc. to the existing building structure. This is difficult to construct, costly, and may affect the stability and safety of the building structure.
[0009] 3) Using steel frames or steel plates as the floating foundation of the vibration isolation system, the floating foundation is still rigidly connected to the roof concrete slab, resulting in high sound transmission efficiency and poor sound insulation and vibration reduction effect. In addition, using steel frames as the vibration isolation system results in high construction costs. Utility Model Content
[0010] In view of this, in order to solve the technical problems existing in the prior art, this utility model provides a floating floor structure that can separate the sound insulation and vibration reduction layer from the main building by installing a frame isolation strip on one side of the perimeter structure, so that the floating floor structure can exert the maximum acoustic effect. The wooden formwork and flexible waterproof membrane are laid on the bottom of the floating layer as a waterproof structural layer, which can effectively improve the sound insulation, waterproof and dustproof functions of the concrete floor slab and reduce the risk of moisture. The combination of rock wool board and elastic vibration reduction block filled on the bottom of the floating layer can effectively reduce the vibration frequency generated by equipment operation, resulting in a floating floor structure with obvious and good vibration reduction effect.
[0011] The present invention solves the above-mentioned technical problems through the following technical solution:
[0012] A floating floor structure for sound insulation and vibration reduction of computer room equipment, the floating floor structure comprising, from bottom to top, a concrete floor slab structure layer, a sound insulation and vibration reduction layer, a waterproof structure layer, and a floating layer;
[0013] The concrete floor slab structure is surrounded by a perimeter structure to form a vibration-damping floating installation area. The main building is built on the outside of the perimeter structure, and a frame isolation strip is laid on the inside of the perimeter structure.
[0014] The sound insulation and vibration damping layer is fixed in the vibration damping floating installation area above the concrete floor slab structure layer;
[0015] The waterproof structural layer is fixed above the sound insulation and vibration damping layer;
[0016] The floating layer is fixed above the waterproof structural layer.
[0017] Furthermore, the waterproof structural layer includes a wooden board layer and a waterproof membrane, wherein the wooden board layer is fixed above the sound insulation and vibration damping layer, and the waterproof membrane is laid on top of the wooden board layer.
[0018] Furthermore, the wooden board layer includes several wooden templates, which are spliced together and fixed on top of the sound insulation and vibration damping layer. There are nails between two adjacent wooden templates, and the two adjacent wooden templates are connected by nails.
[0019] Furthermore, the border isolation strip is an EVA frame isolation strip with a height of 165mm and a thickness of 15mm. The border isolation strip is distributed along the entire length of the edging structure, and adhesive is provided between the border isolation strip and the inner side of the edging structure. The border isolation strip is glued and fixed to the inner side of the edging structure by adhesive.
[0020] Furthermore, the sound insulation and vibration reduction layer includes a rock wool board and several elastic vibration damping blocks. The rock wool board is fixed above the concrete floor slab structure layer. The rock wool board has several holes, which are distributed alternately along the horizontal and vertical directions of the rock wool board. Each elastic vibration damping block is fixed at one hole in the rock wool board, and the height of each elastic vibration damping block is flush with the height of the rock wool board.
[0021] Furthermore, the floating layer includes a concrete layer and a steel mesh, with the steel mesh laid in the middle of the concrete layer.
[0022] Furthermore, the wire mesh is made of double-layer bidirectional steel bars.
[0023] Furthermore, an equipment foundation layer supporting the machine room equipment is fixed at the top of the concrete layer.
[0024] Compared with the prior art, the technical solution of this utility model has at least the following beneficial effects:
[0025] 1) The floating floor structure of this utility model includes, from bottom to top, a concrete floor slab structure layer, a sound insulation and vibration damping layer, a waterproof structure layer, and a floating layer. A perimeter structure is built around the concrete floor slab structure layer to form a vibration-damping floating installation area. The main building structure is built on the outer side of the perimeter structure, and a frame isolation strip is laid on the inner side of the perimeter structure. The sound insulation and vibration damping layer is fixed to the vibration-damping floating installation area above the concrete floor slab structure layer. The waterproof structure layer is fixed above the sound insulation and vibration damping layer, and the floating layer is fixed above the waterproof structure layer. This utility model, by installing a frame isolation strip on one side of the perimeter structure, can separate the sound insulation and vibration damping layer from the main building structure, allowing the floating floor structure to achieve maximum acoustic performance. Laying wooden formwork and a flexible waterproof membrane as a waterproof structure layer under the floating layer effectively improves the sound insulation, waterproofing, and dustproofing functions of the concrete floor slab structure, reducing the risk of moisture damage. The combination of the sound insulation and vibration damping layer and the waterproof structure layer under the floating layer effectively reduces the vibration frequency generated during equipment operation, resulting in a significant and effective vibration reduction effect.
[0026] 2) The waterproof structural layer of this utility model includes a wooden board layer and a waterproof membrane. The wooden board layer is fixed above the sound insulation and vibration damping layer, and the waterproof membrane is laid on top of the wooden board layer. The wooden board layer includes several wooden templates, which are spliced together and fixed above the sound insulation and vibration damping layer. Adjacent wooden templates are connected securely by nails. Using wooden templates instead of steel plates or steel frames makes installation convenient, safe, reliable, environmentally friendly, energy-saving, and reduces construction costs.
[0027] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more obvious and understandable, the following detailed description is provided in conjunction with preferred embodiments and accompanying drawings. Attached Figure Description
[0028] Figure 1 This is a schematic diagram of the structure of the point-lay floating floor of this utility model;
[0029] Figure 2 This is a structural layer diagram of the waterproof structural layer of this utility model.
[0030] In the diagram: 1. Concrete floor slab structural layer; 2. Edge structure; 3. Frame isolation strip; 3. Acoustic sealant; 4. Sound insulation and vibration damping layer; 4. Rock wool board; 4. Elastic vibration damping block; 5. Waterproof structural layer; 5. Wood board layer; 5. Waterproof membrane; 5. Floating layer; 6. Steel mesh. 62mm of foundation reinforcement and 7mm of equipment foundation layer. Detailed Implementation
[0031] The present invention will now be described in detail with reference to the accompanying drawings, which form part of this specification. The principles of the present invention will be illustrated through embodiments, and other aspects, features, and advantages of the present invention will become apparent from this detailed description. In the accompanying drawings, the same or similar parts in different figures are indicated by the same reference numerals.
[0032] like Figures 1-2As shown, Embodiment 1 of this utility model provides a floating floor structure for sound insulation and vibration reduction of computer room equipment. The floating floor structure includes, from bottom to top, a concrete floor slab structure layer 1, a sound insulation and vibration reduction layer 4, a waterproof structure layer 5, and a floating layer 6. The concrete floor slab structure layer 1 is surrounded by a perimeter structure 2 to form a vibration-damping floating installation area. Specifically, the perimeter structure 2 can be a brick wall perimeter, a concrete perimeter, or a channel steel perimeter. In this embodiment, a brick wall perimeter is preferred. A hollow rectangular or ring structure is built on the concrete floor slab structure layer 1, with the perimeter structure 2 perpendicular to the concrete floor slab structure layer 1. The main building structure is built on the outer side of the perimeter structure 2, and a frame isolation strip 3 is laid on the inner side of the perimeter structure 2. The sound insulation and vibration reduction layer 4 is fixed to the vibration-damping floating installation area above the concrete floor slab structure layer 1, the waterproof structure layer 5 is fixed above the sound insulation and vibration reduction layer 4, and the floating layer 6 is fixed above the waterproof structure layer 5. This invention separates the sound insulation and vibration damping layer 4 from the main building by installing a frame isolation strip 3 on one side of the perimeter structure 2, maximizing the acoustic effect of the floating floor structure. By setting up the sound insulation and vibration damping layer 4 and the waterproof structural layer 5, this invention isolates the floating layer 6 from the concrete floor slab structure, isolating equipment vibrations on the floating layer 6. The waterproof structural layer 5 and the sound insulation and vibration damping layer 4 are laid at the bottom of the floating layer 6, resulting in high-quality construction and excellent waterproof performance. This effectively enhances the sound insulation, damping, waterproofing, and dustproofing functions of the concrete floor slab structure layer 1, reducing the risk of moisture damage. The sound insulation and vibration damping layer 4 further reduces the vibration frequency generated during equipment operation, providing excellent vibration reduction and significant noise and vibration damping performance. It is not only simple to install and convenient to construct, but also saves construction costs, making its application prospects promising.
[0033] In this embodiment, the waterproof structural layer 5 includes a wooden board layer 51 and a waterproof membrane. The wooden board layer 51 is fixed above the sound insulation and vibration damping layer 4, and the waterproof membrane is laid on top of the wooden board layer 51. The thickness of the laid wooden board is 15mm, and the thickness of the waterproof membrane laid on top of the wooden board layer 51 is 1.5mm. The waterproof membrane is a flexible waterproof membrane. The wooden board layer 51 includes several wooden boards, which are spliced together and fixed above the sound insulation and vibration damping layer 4. Adjacent wooden boards are connected by nails. Specifically, the joints between adjacent wooden boards are sealed with transparent sealing tape. Using wooden boards instead of steel plates or steel frames makes installation convenient, safe, reliable, environmentally friendly, energy-saving, and reduces construction costs.
[0034] The frame isolation strip 3 fixed inside the edging structure 2 in this utility model is an EVA frame isolation strip. The frame isolation strip 3 has a height of 165mm and a thickness of 15mm. The frame isolation strip 3 is distributed along the entire length of the edging structure 2. Adhesive is provided between the frame isolation strip 3 and the inner side of the edging structure 2. The frame isolation strip 3 is glued and fixed to the inner side of the edging structure 2 by the adhesive.
[0035] In its specific implementation, the sound insulation and vibration damping layer 4 includes a rock wool board 41 and several elastic vibration damping blocks 42. The rock wool board 41 is fixed above the concrete floor slab structural layer 1. The rock wool board 41 has several holes, which are spaced apart along the horizontal and vertical directions of the rock wool board 41. Each elastic vibration damping block 42 is fixed at one hole on the rock wool board 41, and the height of each elastic vibration damping block 42 is flush with the height of the rock wool board 41. The elastic vibration damping blocks 42 are 50×50×50mm in size, and the spacing between the elastic vibration damping blocks 42 laid on the rock wool board 41 is 600×600mm. Specifically, the elastic vibration damping blocks 42 used in this invention are Farrat ISOMAT from the UK. The NR62 pure natural rubber elastic vibration damping blocks 42 are laid horizontally and vertically on the rock wool board 41. This ensures that the waterproof layer and floating layer 6 above receive uniform and comprehensive elastic support, avoiding the risk of cracking and collapse caused by insufficient local support. Uniform support can distribute the load and prevent the floating layer 6 from cracking due to excessive local stress. This ensures that the entire floating layer 6 can perform optimal elastic vibration isolation as a whole. If the laying is irregular or the overlap is improper, it will lead to rigid connection in local areas (forming a "sound bridge"), which will seriously weaken the overall sound insulation and vibration isolation performance. The sound insulation and vibration damping layer 4, which is composed of rock wool board 41 and elastic vibration damping blocks 42, can effectively isolate equipment vibration (such as smoke exhaust room equipment and fan room equipment) from being transmitted to the building layer below through the concrete floor slab structure layer 1. This reduces vibration interference and blocks the transmission of noise and vibration generated by equipment during operation in the horizontal and vertical directions. It can effectively reduce the noise and vibration generated by equipment during operation and effectively reduce the vibration frequency generated by equipment during operation. The vibration reduction effect is obvious and good. By using equally spaced horizontal and vertically filled elastic vibration damping blocks 42, it is possible to effectively ensure that the spacing of the elastic vibration damping blocks 42 remains stable before the floating layer 6 is poured, preventing unintentional damage during construction and maximizing the installation quality of the elastic vibration damping blocks 42.
[0036] The elastic damping block 42 of this utility model includes a damping spring and a damping block, with the damping spring sleeved on the circumferential direction of the damping block.
[0037] In this specific implementation, the floating layer 6 includes a concrete layer and a steel mesh 61. The steel mesh 61 is laid in the middle of the concrete layer. The gap between the top of the frame isolation strip 3 and the floating layer 6 is filled with acoustic sealant 31. The steel mesh is made of double-layer bidirectional steel reinforcement. Specifically, the concrete layer is made of C25 reinforced concrete with a thickness of 100mm. 8mm diameter steel bars are used, with a spacing of 200mm between adjacent bars. The bars are tied together with 22# iron wire and tightened with steel hooks. Steel bars are arranged in two mutually perpendicular directions to form a mesh, with two layers of steel mesh 61 forming the steel mesh.
[0038] This utility model has an equipment foundation layer 7 for supporting equipment fixed at the top of a concrete layer. Specifically, the equipment foundation layer 7 is made of concrete and φ10 foundation steel bars 62 are pre-embedded in the concrete layer. The φ10 foundation steel bars 62 extend upward from the inside of the concrete layer and connect with the equipment foundation layer 7 so that the connection between the equipment foundation layer 7 and the concrete layer is more secure when the φ10 foundation steel bars 62 are poured later.
[0039] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.
Claims
1. A floating floor structure for sound insulation and vibration reduction of computer room equipment, characterized in that: The floating floor structure includes, from bottom to top, a concrete floor slab structure layer, a sound insulation and vibration reduction layer, a waterproof structure layer, and a floating layer; The concrete floor slab structure is surrounded by a perimeter structure to form a vibration-damping floating installation area. The main building is built on the outside of the perimeter structure, and a frame isolation strip is laid on the inside of the perimeter structure. The sound insulation and vibration damping layer is fixed in the vibration damping floating installation area above the concrete floor slab structure layer; The waterproof structural layer is fixed above the sound insulation and vibration damping layer; The floating layer is fixed above the waterproof structural layer.
2. The floating floor structure for sound insulation and vibration reduction of equipment room according to claim 1, characterized in that: The waterproof structural layer includes a wooden board layer and a waterproof membrane. The wooden board layer is fixed above the sound insulation and vibration damping layer, and the waterproof membrane is laid on top of the wooden board layer.
3. The floating floor structure for sound insulation and vibration reduction of equipment room according to claim 2, characterized in that: The wooden board layer includes several wooden templates, which are spliced together and fixed on top of the sound insulation and vibration damping layer. There are nails between two adjacent wooden templates, and the two adjacent wooden templates are connected by nails.
4. The floating floor structure for sound insulation and vibration reduction of equipment room according to claim 1, characterized in that: The border isolation strip is an EVA frame isolation strip with a height of 165mm and a thickness of 15mm. The border isolation strip is distributed along the entire length of the edging structure. Adhesive is provided between the border isolation strip and the inner side of the edging structure. The border isolation strip is glued and fixed to the inner side of the edging structure by the adhesive.
5. The floating floor structure for sound insulation and vibration reduction of equipment room equipment according to claim 1, characterized in that: The sound insulation and vibration reduction layer includes a rock wool board and several elastic vibration reduction blocks. The rock wool board is fixed above the concrete floor slab structure layer. The rock wool board has several holes, which are distributed alternately along the horizontal and vertical directions of the rock wool board. Each elastic vibration reduction block is fixed at one hole in the rock wool board, and the height of each elastic vibration reduction block is flush with the height of the rock wool board.
6. The floating floor structure for sound insulation and vibration reduction of equipment room equipment according to claim 1, characterized in that: The floating layer includes a concrete layer and a steel mesh, with the steel mesh laid in the middle of the concrete layer.
7. The floating floor structure for sound insulation and vibration reduction of equipment room according to claim 6, characterized in that: The wire mesh is made of double-layer, bidirectional steel bars.
8. The floating floor structure for sound insulation and vibration reduction of equipment room according to claim 6, characterized in that: The top of the concrete layer is fixed with an equipment foundation layer that supports the equipment in the machine room.