阅读说明：本技术 一种浮筑楼板保温隔声系统材料的施工工艺 (Construction process of floating floor slab heat preservation and sound insulation system material ) 是由 孙云 蔡晓龙 孙晗柏 于 2019-12-05 设计创作，主要内容包括：本发明涉及浮筑楼板施工应用技术领域,且公开了一种浮筑楼板保温隔声系统材料的施工工艺,包括以下步骤：1)制造保温隔声板主体；2)进行保温浮筑楼板保温隔声系统现场一次施工；3)进行保温浮筑楼板保温隔声系统现场二次施工；4)出厂检验。该浮筑楼板保温隔声系统材料的施工工艺,通过保温隔声板主体平稳放置于施工处的钢筋混凝土现浇楼板的上表面,且其外部贴合有竖向隔声板和嵌缝条以阻断声桥并密封,进而使其保温和隔音能力强,达到了质量较好的效果,且其施工过程只需按照步骤2)和步骤3)中逐步实施即可,从而有效的解决了浮筑楼板的隔音保温质量难以得到保证,且整体结构和施工过程可能较为复杂的问题。(The invention relates to the technical field of floating floor construction application, and discloses a construction process of a floating floor heat-preservation and sound-insulation system material, which comprises the following steps: 1) manufacturing a main body of the heat preservation and sound insulation plate; 2) carrying out one-time construction on a heat preservation and sound insulation system of the heat preservation floating floor slab on site; 3) performing on-site secondary construction of a heat-insulation and sound-insulation system of the heat-insulation floating floor; 4) and (5) delivery inspection. The construction process of the floating floor heat-insulation sound-insulation system material is characterized in that the heat-insulation sound-insulation board main body is stably placed on the upper surface of a reinforced concrete cast-in-place floor at the construction position, the vertical sound-insulation board and the caulking strip are attached to the outer portion of the heat-insulation sound-insulation board main body to block a sound bridge and seal the sound bridge, so that the heat-insulation sound-insulation system material is high in heat insulation and sound insulation capacity, the effect of good quality is achieved, the construction process can be implemented gradually only according to the step 2) and the step 3), the problem that the sound insulation and heat insulation quality of the floating floor is difficult to guarantee, and the overall structure and the construction process.)

1. A construction process of a floating floor slab heat preservation and sound insulation system material is characterized by comprising the following steps:

1) manufacturing a heat-preservation sound-insulation board main body, cutting the heat-preservation sound-insulation board main body into a plate-shaped structure with a rectangular shape by using polyester ceramic fiber cotton as a heat-preservation base body, wherein the cutting length is divided into two intervals of 1200mm and 2400mm, the cutting width is divided into two intervals of 600mm and 1200mm, the thickness is divided into five intervals of 12mm, 15mm, 20mm, 25mm and 30mm, obtaining the heat-preservation sound-insulation board after cutting and forming, and at the moment, uniformly spraying damping sound-insulation paint on the outer surface of the heat-preservation sound-insulation board, then the top and the bottom of the heat-insulating sound-insulating board are respectively jointed with a thin composite board which is a high-density fiber board, the length, width and thickness selection intervals of the heat insulation and sound insulation board are the same as the selection intervals of the heat insulation and sound insulation board, the heat insulation and sound insulation board and the boards of the thin composite board are bonded and fixed through adhesives, air drying is carried out at normal room temperature after the fixation is finished, and a heat insulation and sound insulation board main body is obtained after the air drying is finished;

2) the heat preservation and sound insulation system of the heat preservation floating floor slab is constructed on site at one time, the heat preservation and sound insulation board main body obtained in the step 1) is stably placed on the upper surface of the reinforced concrete cast-in-place floor slab at the construction position, vertical sound insulation boards are attached between the heat preservation and sound insulation board main body and the fine aggregate concrete protective layer, the peripheral wall bodies, the wall columns or the vertical pipelines penetrating through the floor slab, caulking strips are attached to the gaps between the heat preservation and sound insulation board main body and the vertical sound insulation boards, the lengths of the caulking strips are 2400mm, the widths of the caulking strips are 28mm, the heights of the intermediate ridges are 14mm, and the thicknesses of the intermediate ridges are 2 mm;

3) performing on-site secondary construction of a heat-insulation floating floor heat-insulation sound-insulation system, after the heat-insulation sound-insulation boards, the vertical sound-insulation boards and the caulking strips in the step 2) are all arranged, uniformly filling concrete protective layers on the top of the heat-insulation sound-insulation board main body, fixedly connecting steel wire meshes between inner layers of the concrete protective layers, wherein the mesh sizes of the steel wire meshes are 101.6mm multiplied by 101.6mm, the wire diameters are 4.00mm, waiting for air drying after construction is finished, and finishing construction after the air drying is finished;

4) and (3) carrying out factory inspection, wherein the thermal insulation and sound insulation board main body, the vertical sound insulation board, the caulking strips and the steel wire mesh in the steps 1), 2) and 3) are all inspected between factory delivery and construction, wherein the inspection items of the thermal insulation and sound insulation board main body are dry apparent density, thermal conductivity coefficient, compression strength, appearance, size and deviation, the inspection items of the vertical sound insulation board and the caulking strips are all sizes, the inspection items of the steel wire mesh are wire diameters, and the thermal insulation and sound insulation board main body, the vertical sound insulation board, the caulking strips and the steel wire mesh can be factory delivered and constructed after the inspection is qualified.

2. The construction process of the floating floor slab heat preservation and sound insulation system material according to claim 1, characterized in that: the allowable deviation of the length of the heat insulation sound insulation board in the step 1) is +/-2.0 mm, the allowable deviation of the width is +/-2.0 mm, the allowable deviation of the thickness is-0 mm to +2.0mm, and the allowable deviation of the diagonal length difference is less than or equal to 4 mm.

3. The construction process of the floating floor slab heat preservation and sound insulation system material according to claim 1, characterized in that: the apparent density of the heat-preservation and sound-insulation plate in the step 1) is less than or equal to 120kg/m3, the thermal conductivity coefficient is less than or equal to 0.030W/(m.K) at the temperature of 25 ℃, the volume water absorption rate is less than or equal to 10%, the compression strength is less than or equal to 0.5MPa, the compression deformation is less than or equal to 5% at the temperature of 23 ℃, the pressure of 4kPa and the time of 24h, and the compression creep is less than or equal to 5% at the temperature of 23 ℃, the pressure of 4kPa and the time of 168 h.

4. The construction process of the floating floor slab heat preservation and sound insulation system material according to claim 1, characterized in that: the heat transfer coefficient W/(m) of the heat insulation sound insulation plate in the step 1)²K) is less than or equal to 1.8, the air sound insulation performance (dB) is more than or equal to 45, and the weighted standardized impact sound pressure level (dB) is less than or equal to65。

5. The construction process of the floating floor slab heat preservation and sound insulation system material according to claim 1, characterized in that: the caulking strips in the step 2) are T-shaped caulking strips, the allowable deviation of the length dimension of the caulking strips is +/-2.0 mm, the allowable deviation of the width dimension of the caulking strips is +/-2.0 mm, the allowable deviation of the height dimension of the middle ridge is +/-1.0 mm, the allowable deviation of the thickness dimension of the middle ridge is not more than 0.2mm, the tensile strength of the caulking strips is not less than 2.0MPa, and the elongation at break of the caulking strips is not less than 120%.

6. The construction process of the floating floor slab heat preservation and sound insulation system material according to claim 1, characterized in that: the vertical sound insulation plate in the step 2) is an elastic sound insulation plate, the appearance of the elastic sound insulation plate is rectangular, the thickness of the elastic sound insulation plate is more than or equal to 8.0mm, and the width of the elastic sound insulation plate is more than or equal to 70 mm.

7. The construction process of the floating floor slab heat preservation and sound insulation system material according to claim 1, characterized in that: the allowable deviation of the mesh size of the steel wire mesh sheet in the step 2) is +/-2%, and the allowable deviation of the wire diameter is +/-0.08 mm.

Technical Field

The invention relates to the technical field of floating floor construction application, in particular to a construction process of a floating floor heat-preservation and sound-insulation system material.

Background

The reinforced concrete is often called reinforced concrete for short in engineering, and is a combined material formed by adding reinforcing mesh, steel plate or fiber into concrete and working together with the combined material to improve the mechanical property of concrete, and the floating floor slab is formed by padding an elastic sound insulation layer mainly comprising mineral wool on the reinforced concrete floor slab and then paving a floor.

In actual measurement, the impact sound level of the bare floor is 83 decibels after measurement and calculation, and the impact sound level of the floating floor is 65 decibels after measurement and calculation, so that the impact sound level reaches the first level of the residential building floor impact sound insulation standard, and the improvement amount is 18 decibels, so that the floating floor is widely applied, but the sound insulation and heat preservation quality of the floating floor is difficult to ensure, the overall structure and the construction process are possibly complicated, and the social requirements are difficult to meet, so that the construction process of the floating floor heat insulation and sound insulation system material is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a construction process of a floating floor heat and sound insulation system material, which has the advantages of convenience in construction, better quality and the like, and solves the problems that the sound and heat insulation quality of a floating floor is difficult to ensure, and the overall structure and the construction process are possibly complicated.

(II) technical scheme

The technical problem to be solved by the invention is to provide a construction process of a floating floor slab heat insulation and sound insulation system material, which comprises the following steps:

1) manufacturing a heat-preservation sound-insulation board main body, cutting the heat-preservation sound-insulation board main body into a plate-shaped structure with a rectangular shape by using polyester ceramic fiber cotton as a heat-preservation base body, wherein the cutting length is divided into two intervals of 1200mm and 2400mm, the cutting width is divided into two intervals of 600mm and 1200mm, the thickness is divided into five intervals of 12mm, 15mm, 20mm, 25mm and 30mm, obtaining the heat-preservation sound-insulation board after cutting and forming, and at the moment, uniformly spraying damping sound-insulation paint on the outer surface of the heat-preservation sound-insulation board, then the top and the bottom of the heat-insulating sound-insulating board are respectively jointed with a thin composite board which is a high-density fiber board, the length, width and thickness selection intervals of the heat insulation and sound insulation board are the same as the selection intervals of the heat insulation and sound insulation board, the heat insulation and sound insulation board and the boards of the thin composite board are bonded and fixed through adhesives, air drying is carried out at normal room temperature after the fixation is finished, and a heat insulation and sound insulation board main body is obtained after the air drying is finished;

2) the heat preservation and sound insulation system of the heat preservation floating floor slab is constructed on site at one time, the heat preservation and sound insulation board main body obtained in the step 1) is stably placed on the upper surface of the reinforced concrete cast-in-place floor slab at the construction position, vertical sound insulation boards are attached between the heat preservation and sound insulation board main body and the fine aggregate concrete protective layer, the peripheral wall bodies, the wall columns or the vertical pipelines penetrating through the floor slab, caulking strips are attached to the gaps between the heat preservation and sound insulation board main body and the vertical sound insulation boards, the lengths of the caulking strips are 2400mm, the widths of the caulking strips are 28mm, the heights of the intermediate ridges are 14mm, and the thicknesses of the intermediate ridges are 2 mm;

3) performing on-site secondary construction of a heat-insulation floating floor heat-insulation sound-insulation system, after the heat-insulation sound-insulation boards, the vertical sound-insulation boards and the caulking strips in the step 2) are all arranged, uniformly filling concrete protective layers on the top of the heat-insulation sound-insulation board main body, fixedly connecting steel wire meshes between inner layers of the concrete protective layers, wherein the mesh sizes of the steel wire meshes are 101.6mm multiplied by 101.6mm, the wire diameters are 4.00mm, waiting for air drying after construction is finished, and finishing construction after the air drying is finished;

4) and (3) carrying out factory inspection, wherein the thermal insulation and sound insulation board main body, the vertical sound insulation board, the caulking strips and the steel wire mesh in the steps 1), 2) and 3) are all inspected between factory delivery and construction, wherein the inspection items of the thermal insulation and sound insulation board main body are dry apparent density, thermal conductivity coefficient, compression strength, appearance, size and deviation, the inspection items of the vertical sound insulation board and the caulking strips are all sizes, the inspection items of the steel wire mesh are wire diameters, and the thermal insulation and sound insulation board main body, the vertical sound insulation board, the caulking strips and the steel wire mesh can be factory delivered and constructed after the inspection is qualified.

Preferably, the allowable deviation of the length of the heat insulation and sound insulation plate in the step 1) is +/-2.0 mm, the allowable deviation of the width is +/-2.0 mm, the allowable deviation of the thickness is-0 mm to +2.0mm, and the allowable deviation of the diagonal length difference is less than or equal to 4 mm.

Preferably, the apparent density of the heat-insulating sound-proof board in the step 1) is less than or equal to 120kg/m3, the thermal conductivity coefficient at 25 ℃ is less than or equal to 0.030W/(m.K), the volume water absorption is less than or equal to 10%, the compression strength is less than or equal to 0.5MPa, the compression deformation at 23 ℃, 4kPa and 24h is less than or equal to 5%, and the compression creep at 23 ℃, 4kPa and 168h is less than or equal to 5%.

Preferably, the heat transfer coefficient W/(m) of the heat insulation sound insulation board in the step 1)²K) is less than or equal to 1.8, the air sound and sound insulation performance (dB) is more than or equal to 45, and the weighted standardized impact sound pressure level (dB) is less than or equal to 65.

Preferably, the caulking strip in the step 2) is a T-shaped caulking strip, the allowable deviation of the length dimension of the caulking strip is +/-2.0 mm, the allowable deviation of the width dimension of the caulking strip is +/-2.0 mm, the allowable deviation of the height dimension of the middle rib is +/-1.0 mm, the allowable deviation of the thickness dimension of the middle rib is not more than 0.2mm, the tensile strength of the caulking strip is not less than 2.0MPa, and the elongation at break of the caulking strip is not less than 120%.

Preferably, the vertical sound insulation plate in the step 2) is an elastic sound insulation plate, the shape of the elastic sound insulation plate is rectangular, the thickness of the elastic sound insulation plate is more than or equal to 8.0mm, and the width of the elastic sound insulation plate is more than or equal to 70 mm.

Preferably, the allowable deviation of the mesh size of the steel mesh sheet in the step 2) is +/-2%, and the allowable deviation of the wire diameter is +/-0.08 mm.

(III) advantageous effects

Compared with the prior art, the invention provides a construction process of a floating floor slab heat preservation and sound insulation system material, which has the following beneficial effects:

1. the construction process of the floating floor slab heat-insulation and sound-insulation system material comprises the steps of 1) stably placing the obtained heat-insulation and sound-insulation board main body on the upper surface of a reinforced concrete cast-in-place floor slab at a construction position, attaching a vertical sound-insulation board and caulking strips to the outer portion of the heat-insulation and sound-insulation board main body to block and seal a sound bridge between the floor surface and a wall body, a column or a vertical pipeline, filling a concrete protective layer on the top of the heat-insulation and sound-insulation board main body, enabling the heat-insulation and sound-insulation capacity of the heat-insulation and sound-insulation board main body to be strong, achieving a good quality effect, only needing to implement step by step in the steps 2) and 3) through the construction process, needing fewer materials for construction, enabling the construction process to be convenient as a whole, and.

2. The construction process of the floating floor slab heat preservation and sound insulation system material comprises the steps of carrying out various tests on a heat preservation and sound insulation board main body, a vertical sound insulation board, a caulking strip and a steel wire mesh before delivery, wherein the test items of the heat preservation and sound insulation board main body are dry apparent density, heat conductivity coefficient, compression strength, appearance, size and deviation, the test items of the vertical sound insulation board and the caulking strip are all sizes, the test items of the steel wire mesh are wire diameters, and the floating floor slab heat preservation and sound insulation system material can be delivered and constructed after being tested to be qualified, so that the condition of construction errors caused by quality problems during construction can be effectively avoided, the damping and sound insulation coating is uniformly sprayed on the outer surface of the heat insulation and sound insulation plate, so that the damping capacity of the plate body can be effectively enhanced, thereby the effectual sound insulation and heat preservation quality of having solved the floating floor is difficult to obtain the assurance, and overall structure and work progress probably comparatively complicated problem.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A construction process of a floating floor slab heat preservation and sound insulation system material comprises the following steps:

1) manufacturing a heat preservation and sound insulation board main body, taking polyester ceramic fiber cotton as a heat preservation base body, cutting the polyester ceramic fiber cotton into a plate-shaped structure with a rectangular shape, dividing the cut length into two intervals of 1200mm and 2400mm, dividing the cut width into two intervals of 600mm and 1200mm, dividing the thickness into 12mm, 15mm, 20mm, five intervals of 25mm and 30mm, obtaining the heat preservation and sound insulation board after cutting and forming, uniformly spraying damping and sound insulation coating on the outer surface of the heat preservation and sound insulation board, then respectively laminating thin composite boards at the top and the bottom of the heat preservation and sound insulation board, wherein the thin composite boards are high-density fiber boards, the selection intervals of the length, the width and the thickness are the same as the selection intervals of the heat preservation and sound insulation board, and the heat preservation and sound insulation board and the thinThe boards of the composite board are bonded and fixed by adhesive, air drying is carried out at normal room temperature after the fixation is finished, a main body of the heat-insulating sound-insulating board is obtained after the air drying is finished, the allowable deviation of the length of the heat-insulating sound-insulating board in the step 1) is +/-2.0 mm, the allowable deviation of the width is +/-2.0 mm, the allowable deviation of the thickness is-0 mm to +2.0mm, the allowable deviation of the length difference of the diagonal lines is less than or equal to 4mm, the apparent density of the heat-preservation and sound-insulation plate in the step 1) is less than or equal to 120kg/m3, the thermal conductivity coefficient is less than or equal to 0.030W/(m.K) at the temperature of 25 ℃, the volume water absorption is less than or equal to 10 percent, the compression strength is less than or equal to 0.5MPa, the compression deformation is less than or equal to 5 percent under the conditions that the temperature is 23 ℃, the pressure is 4kPa and the time is 24 hours, the compression creep is less than or equal to 5% under the conditions that the temperature is 23 ℃, the pressure is 4kPa and the time is 168h, and the heat transfer coefficient W/(m) of the heat insulation sound insulation plate in the step 1) is kept.²K) is less than or equal to 1.8, the air sound insulation performance (dB) is more than or equal to 45, and the weighted standardized impact sound pressure level (dB) is less than or equal to 65;

2) the heat-insulating and sound-insulating system of the heat-insulating floating floor slab is constructed on site at one time, the heat-insulating and sound-insulating plate main body obtained in the step 1) is stably placed on the upper surface of the reinforced concrete cast-in-place floor slab at the construction position, vertical sound-insulating plates are attached between the heat-insulating and sound-insulating plate main body and the fine aggregate concrete protective layer, the peripheral wall bodies, wall columns or vertical pipelines penetrating through the floor slab, caulking strips are attached to the gaps between the heat-insulating and sound-insulating plate main body and the vertical sound-insulating plates, the lengths of the caulking strips are 2400mm, the widths of the caulking strips are 28mm, the height of the middle edge is 14mm, the thickness of the middle edge is 2mm, the caulking strips in the step 2) are T-shaped caulking strips, the allowable deviation of the lengths and the sizes of the lengths is +/-2.0 mm, the allowable deviation of the widths of the middle edges is +/-1.0 mm, the allowable deviation of the thicknesses of the middle edges is not more than 0.2mm, the tensile strength is, the vertical sound insulation plate in the step 2) is an elastic sound insulation plate, the shape of the vertical sound insulation plate is rectangular, the thickness of the vertical sound insulation plate is more than or equal to 8.0mm, the width of the vertical sound insulation plate is more than or equal to 70mm, the allowable deviation of the mesh size of the steel wire mesh in the step 2) is +/-2%, and the allowable deviation of the wire diameter is +/-0.08 mm;

3) performing on-site secondary construction of a heat-insulation floating floor heat-insulation sound-insulation system, after the heat-insulation sound-insulation boards, the vertical sound-insulation boards and the caulking strips in the step 2) are all arranged, uniformly filling concrete protective layers on the top of the heat-insulation sound-insulation board main body, fixedly connecting steel wire meshes between inner layers of the concrete protective layers, wherein the mesh sizes of the steel wire meshes are 101.6mm multiplied by 101.6mm, the wire diameters are 4.00mm, waiting for air drying after construction is finished, and finishing construction after the air drying is finished;

4) and (3) carrying out factory inspection, wherein the thermal insulation and sound insulation board main body, the vertical sound insulation board, the caulking strips and the steel wire mesh in the steps 1), 2) and 3) are all inspected between factory delivery and construction, wherein the inspection items of the thermal insulation and sound insulation board main body are dry apparent density, thermal conductivity coefficient, compression strength, appearance, size and deviation, the inspection items of the vertical sound insulation board and the caulking strips are all sizes, the inspection items of the steel wire mesh are wire diameters, and the thermal insulation and sound insulation board main body, the vertical sound insulation board, the caulking strips and the steel wire mesh can be factory delivered and constructed after the inspection is qualified.

The invention has the beneficial effects that: the construction process of the floating floor slab heat preservation and sound insulation system material comprises the steps of 1), placing the obtained heat preservation and sound insulation board main body on the upper surface of a reinforced concrete cast-in-place floor slab at a construction position stably, attaching a vertical sound insulation board and caulking strips to the outside of the heat preservation and sound insulation board main body to block and seal a sound bridge between the floor surface and a wall body, a column or a vertical pipeline, filling a concrete protective layer on the top of the heat preservation and sound insulation board main body, further enabling the heat preservation and sound insulation capacity of the heat preservation and sound insulation board main body to be strong, achieving a good quality effect, only needing to carry out the construction step by step according to the steps 2) and 3) through the construction process, needing fewer materials for construction, being strong in sound and heat preservation capacity, simplifying the construction process in the whole process, enabling the construction process to be convenient as a whole, carrying out various tests before the heat preservation and sound insulation board main body, the vertical sound insulation board, the caulking strips and the steel wire mesh, the inspection project of heat preservation sound-proof board main part is dry apparent density, coefficient of heat conductivity, compressive strength, outward appearance and size and deviation, the inspection project of vertical sound-proof board and caulking strip is the size, the inspection project of wire net piece is the silk footpath, the qualified rear of inspection can dispatch from the factory and be under construction, can effectively avoid floating floor heat preservation sound insulation system material to appear when the construction because of the condition that the quality problem leads to the construction error, surface evenly spray damping sound insulation coating through heat preservation sound-proof board, can effectively strengthen the damping capacity of this plate body, thereby the effectual syllable-dividing heat preservation quality of having solved floating floor is difficult to obtain guaranteeing, and overall structure and work progress problem that probably are comparatively complicated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.