CN111139958B - Building floor heat preservation and sound insulation system and construction method thereof - Google Patents

Building floor heat preservation and sound insulation system and construction method thereof Download PDF

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Publication number
CN111139958B
CN111139958B CN202010112373.3A CN202010112373A CN111139958B CN 111139958 B CN111139958 B CN 111139958B CN 202010112373 A CN202010112373 A CN 202010112373A CN 111139958 B CN111139958 B CN 111139958B
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insulation
heat
sound
holes
steel bar
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CN111139958A (en
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吴美君
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JINAN SIJIAN CONSTRUCTION GROUP Co.,Ltd.
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Jinan Sijian Construction Group Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/88Insulating elements for both heat and sound

Abstract

The invention provides a building floor heat-insulation sound-insulation system which comprises a finish coat, a protective coat, a heat-insulation sound-insulation layer and a floor layer, wherein the heat-insulation sound-insulation layer comprises a plurality of heat-insulation sound-insulation plates provided with a plurality of through holes, the upper parts of the heat-insulation sound-insulation plates are provided with a plurality of reinforcing steel bar grooves, the building floor heat-insulation sound-insulation system also comprises cast-in-place geopolymer components arranged in the through holes, fine reinforcing steel bars and joint filling materials arranged in the reinforcing steel bar grooves and in the through holes at two ends of the reinforcing steel bar grooves, two ends of the fine reinforcing steel bars are respectively arranged in the through holes communicated with the two ends of the reinforcing steel bar grooves, gaps between the peripheral bottoms of the through holes of the heat-insulation sound-insulation plates and the floor layer are filled with the joint filling materials, the cast-. The invention has simple structure and low application cost, and can avoid the quality problems of hollowing, cracking and the like during floor delivery.

Description

Building floor heat preservation and sound insulation system and construction method thereof
Technical Field
The invention belongs to the technical field of building floor heat preservation, and relates to a building floor heat preservation and sound insulation system and a construction method thereof.
Background
In recent years, with the improvement of domestic living standard, people have higher and higher requirements on the aspects of indoor thermal environment and sound environment of buildings, governments in China and various places pay more and more attention to the problems, and heat preservation and sound insulation measures are required to be taken for building floors of types such as houses in relevant design standards in China and various places.
At present, most of floor heat preservation and sound insulation adopt a floating construction structure, the floating construction structure is that heat preservation (sound insulation) materials are laid on a structural floor, a reinforced fine aggregate concrete or light aggregate concrete heat preservation layer is poured on the heat preservation materials, and the periphery of a protection layer is isolated from a wall body to form a structure which can preserve heat and insulate sound. Wherein, the thermal insulation and sound insulation material in the floating building structure is mostly inorganic thermal insulation mortar, extruded polystyrene board, polyurethane board, etc., because the thermal insulation and sound insulation material has lower strength and larger deformation under the condition of long-term pressure, 40-50mm reinforced fine stone reinforced concrete is needed to be made on the thermal insulation and sound insulation layer as a protective layer, although the thermal insulation and sound insulation material is better prevented from generating larger deformation when being pressed, when furniture with large mass such as piano or book cabinet, etc. is put on the decorative layer of the floor, so that the floor is forced by larger point stress or/and line stress, the hidden quality troubles such as hollowing, cracking, etc. of the floor can be easily led, especially, in order to reduce the application cost of thermal insulation and sound insulation of the floor of partial enterprises, no leveling layer is made on the uneven floor, the thermal insulation and sound insulation layer and the protective layer are directly laid respectively, so that certain parts of the floor can generate larger deformation when being subjected to larger pressure, thereby making the floor more susceptible to cracking and hollowing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a building floor heat-insulating and sound-insulating system and a construction method thereof.
Therefore, the invention adopts the following technical scheme: a building floor heat and sound insulation system comprises a finish coat, a protective layer, a heat and sound insulation layer and a floor layer, wherein the heat and sound insulation layer comprises a plurality of heat and sound insulation plates, the heat and sound insulation plates are provided with a plurality of rows of holes, each row of holes is a plurality of uniformly distributed through holes, the upper parts of the heat and sound insulation plates are provided with a plurality of reinforcing steel bar grooves arranged between the horizontally adjacent through holes or between the vertically adjacent through holes, the building floor heat and sound insulation system also comprises a cast-in-place polymer component arranged in the through holes, thin reinforcing steel bars arranged in the reinforcing steel bar grooves and in the through holes at two ends of the reinforcing steel bar grooves and a gap filling material, two ends of the thin reinforcing steel bars are respectively arranged in the through holes communicated with two ends of the reinforcing steel bar grooves, gaps between the peripheral bottom of the through holes of the heat and sound insulation plates and the floor layer are filled with the gap filling material, the compressive strength of the protective layer is greater than or equal to that of the protective layer.
Furthermore, the building floor heat preservation sound insulation system further comprises a plurality of I-shaped rail connecting plate grooves, and the I-shaped rail connecting plate grooves are used for respectively connecting adjacent heat preservation sound insulation plates together to enable the plurality of heat preservation sound insulation plates to be located on the same horizontal plane.
Furthermore, the top end of the thin steel bar is higher than the upper end face of the heat-preservation sound-insulation plate, the bottom end of the thin steel bar is lower than the upper end face of the heat-preservation sound-insulation plate, and the width of the steel bar groove is 0.95-1.05 times of the diameter of the thin steel bar.
Further, gaps between the reinforcing steel bar grooves and the thin reinforcing steel bars are filled with gap filling materials.
The invention also adopts the following technical scheme that the construction method of the building floor heat preservation and sound insulation system comprises the following steps:
s1, cleaning the surface of the floor layer;
s2, laying a heat-insulating and sound-insulating layer consisting of a plurality of heat-insulating and sound-insulating plates on a floor layer, and respectively connecting adjacent heat-insulating and sound-insulating plates together by adopting a plurality of I-shaped rail connecting plate grooves to enable the plurality of heat-insulating and sound-insulating plates to be positioned on the same horizontal plane, wherein the heat-insulating and sound-insulating plates are provided with a plurality of rows of holes, each row of holes is a plurality of uniformly distributed through holes, the upper parts of the holes are also provided with a plurality of reinforcing steel bar grooves, and the reinforcing steel bar grooves are arranged between the adjacent through holes in the horizontal direction;
s3, filling gap filling materials at the gaps between the bottoms of the peripheries of the through holes of the heat insulation and sound insulation plates and the floor layers;
s4, installing thin steel bars in the steel bar groove and the through holes at the two ends of the steel bar groove, wherein the two ends of the thin steel bars are respectively arranged in the through holes communicated with the two ends of the steel bar groove;
s5, casting a polymer grouting material in the through hole in a cast-in-place mode, and after the polymer grouting material is solidified to form a cast-in-place polymer component, casting a protective layer on the heat insulation and sound insulation layer and the cast-in-place polymer component.
The invention has the beneficial effects that:
(1) the heat-insulation sound-insulation board is provided with a plurality of through holes and a plurality of reinforcing steel bar grooves, thin reinforcing steel bars are arranged in the reinforcing steel bar grooves and the through holes at the two ends of the reinforcing steel bar grooves, geopolymer grouting materials with high strength and good heat-insulation and sound-insulation performance are cast in situ in the through holes, and the geopolymer grouting materials are solidified to form a support structure formed by combining cast-in-situ geopolymer parts and the thin reinforcing steel bars, so that the heat-insulation and sound-insulation layer cannot deform greatly when the decorative layer is pressed, and the quality problems of hollowing, cracking and the like during floor delivery are avoided;
(2) by utilizing the positioning and leveling action of the steel bar grooves in the heat-insulation sound-insulation plate, a plurality of thin steel bars are firmly fixed in the through holes and are positioned on the same horizontal plane, so that the heat-insulation sound-insulation layer cannot deform greatly when the veneer layer is pressed;
(3) the arrangement of a leveling layer is not needed, the adjacent heat-insulation sound-insulation plates are respectively connected together through the I-shaped rail plate connecting grooves, so that the plurality of heat-insulation sound-insulation plates are connected into a whole and are positioned on the same horizontal plane, the heat-insulation sound-insulation layer has the double functions of heat insulation and sound insulation and leveling, and the application cost of the building floor heat-insulation sound-insulation system is effectively reduced;
(4) the gaps between the bottoms of the peripheries of the through holes and the floor layer of the heat-insulating sound-insulating plate are filled with gap filling materials, so that a sealed air layer is formed between the heat-insulating sound-insulating plate and the floor layer, and the heat-insulating and sound-insulating properties of the building floor heat-insulating and sound-insulating system are further improved;
(5) when the building floor heat-insulation and sound-insulation system is constructed, a leveling layer is not required to be poured firstly, the heat-insulation and sound-insulation layer is directly installed on a floor layer, the advantages of short curing time, high compressive strength and good heat insulation performance of a geopolymer grouting material are utilized, the thin steel bars are quickly fixed in a cast-in-place geopolymer part in the through hole, the protective layer can be directly laid on the heat-insulation and sound-insulation layer without waiting for the curing of the leveling layer, the construction process is simplified, and the construction time and the construction cost are further reduced.
Drawings
Fig. 1 is a schematic view of a first structure of a building floor heat and sound insulation system.
Fig. 2 is a schematic view of a second structure of the building floor heat and sound insulation system.
Fig. 3 is a schematic plan view of the thermal insulation sound-proof board.
Fig. 4 is a schematic three-dimensional structure diagram of the heat-insulating sound-proof board.
Fig. 5 is a schematic view of an installation structure of the thin steel bar.
Fig. 6 is a schematic top view of the connection of adjacent heat-insulating and sound-insulating boards.
Fig. 7 is a side view structure schematic diagram of the connection of adjacent heat preservation and sound insulation boards.
The attached drawings are marked and described as 1-veneer layer, 2-bonding layer, 3-protective layer, 4-heat preservation and sound insulation plate, 5-thin steel bar, 6-cast-in-place polymer component, 7-gap filling material, 8-floor layer, 9-air layer, 10-reinforcing steel bar groove, 11-through hole and 12-I-shaped rail connecting plate groove.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings for the purpose of facilitating understanding and understanding of the technical solutions of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 7, the embodiment provides a building floor heat preservation and sound insulation system, which includes a facing layer 1, a protective layer 3, a heat preservation and sound insulation layer and a floor layer 8, where the heat preservation and sound insulation layer includes a plurality of heat preservation and sound insulation plates 4, the heat preservation and sound insulation plates 4 are provided with a plurality of rows of holes, each row of holes is a plurality of through holes 11 uniformly distributed, and the through holes 11 may adopt round holes or square holes, where the plurality of rows of holes on the heat preservation and sound insulation plates are preferably prefabricated in a factory, the row spacing is preferably the same, and the through holes in each row of holes and the through holes right below or above are in the same vertical direction, when each row of holes is arranged, the through hole at the leftmost end is preferably located at the leftmost end of the heat preservation and sound insulation plate, and the through hole at the rightmost end is preferably located at the right; the decorative layer 1 is directly laid on the protective layer or is bonded with the protective layer through a bonding layer, if the floor is directly laid, the floor tiles are bonded by cement mortar, the heat preservation and sound insulation layer can be made of heat preservation and sound insulation materials such as extruded polystyrene boards, polyurethane boards and inorganic heat preservation boards, gaps between the heat preservation and sound insulation layer and a wall body can be filled by filling materials, the upper portion of the heat preservation and sound insulation board 4 is provided with a plurality of reinforcing steel bar grooves 10 which are arranged between through holes adjacent to the horizontal direction or between through holes adjacent to the vertical direction, namely, a horizontal reinforcing steel bar groove is arranged between the through holes adjacent to the horizontal direction, the left end and the right end of each reinforcing steel bar groove are respectively communicated with the through holes on one side, a vertical reinforcing steel bar groove is arranged between the through holes adjacent to the vertical direction.
The building floor heat preservation and sound insulation system further comprises a cast-in-place geopolymer component 6 arranged in the through hole, thin steel bars 5 arranged in the steel bar grooves and the through holes at two ends of the steel bar grooves, and joint filling materials 7, wherein two ends of the thin steel bars 5 are respectively arranged in the through holes communicated with two ends of the steel bar grooves, and two ends of the thin steel bars are preferably close to the center positions of the through holes respectively, as shown in figure 1, gaps between the bottom of the periphery of the through hole and a floor layer of the heat preservation and sound insulation plate are filled with joint filling materials, namely, gaps between the bottom edge of the through hole and the floor layer are filled with joint filling materials, the joint filling materials can be polyurethane foaming adhesive, the cast-in-place geopolymer component 6 is formed by casting geopolymer grouting materials in a cast mode, and the.
In particular, the geopolymer grouting material has the advantages of high fluidity, high compressive strength, high curing speed, low heat transfer coefficient and the like, and is mostly used for repairing road cracks at present, in the embodiment, the geopolymer grouting material is poured in the through hole of the heat insulation and sound insulation board provided with the thin steel bars, although two ends of the thin steel bars are positioned in the through hole, the fluidity of the geopolymer grouting material is high, the through hole can be filled and part of the thin steel bars are covered when the pouring is carried out, after the geopolymer grouting material is rapidly cured, a cast-in-situ geopolymer component with high compressive strength can be formed, because the two end parts of the thin steel bars are fixed in the cast-in-situ polymer component, and by utilizing the high compressive strength characteristics of the thin steel bars and the cast-in-situ polymer component, a support structure formed by combining the cast-in-situ polymer component and the thin steel bars enables the heat, the pressure transmission through the veneer layer and the protective layer is adopted, so that the larger point pressure or line pressure on the veneer layer is transmitted to the heat-insulation sound-insulation layer to become local larger surface pressure, and the small-area supporting structure formed by combining the cast-in-place geopolymer component and the thin steel bars can ensure that the heat-insulation sound-insulation layer is not stressed or the stress on the heat-insulation sound-insulation layer is greatly reduced, so that the quality problems of hollowing, cracking and the like during the delivery of the floor are avoided.
In order to make the heat preservation and sound insulation layer smoother, the building floor heat preservation and sound insulation system further comprises a plurality of I-shaped rail connecting plate grooves 12, the I-shaped rail connecting plate grooves 12 are used for respectively connecting adjacent heat preservation and sound insulation plates 4 together to enable a plurality of heat preservation and sound insulation plates to be located on the same horizontal plane, the I-shaped rail connecting plate grooves 12 are provided with two plate grooves, and the heat preservation and sound insulation plates on one side can be fixedly connected in an interference fit mode, as shown in fig. 7.
In order to better fix the thin steel bars in the steel bar grooves and reduce the deformation of the heat insulation and sound insulation layer when the thin steel bars are pressed, the top ends of the thin steel bars are higher than the upper end surface of the heat insulation and sound insulation plate, the bottom ends of the thin steel bars are lower than the upper end surface of the heat insulation and sound insulation plate, namely, the thin steel bars are partially positioned in the steel bar grooves and partially positioned outside the steel bar grooves, the lower half parts of the thin steel bars are preferably positioned in the steel bar grooves and the upper half parts of the thin steel bars are positioned above the upper end surface of the heat insulation and sound insulation plate, the width of the steel bar grooves is preferably 0.95-1.05 times of the diameter of the thin steel bars, the thin steel bars cannot easily move when being installed in the steel bar grooves, and therefore the.
In order to make the installation of the reinforcing steel bars more firm and to further improve the thermal insulation performance of the thermal insulation and sound insulation system on the floor, the gaps between the reinforcing steel bar grooves and the reinforcing steel bars are preferably filled with a caulking material, as shown in fig. 5.
In prior art, building floor layer construction can not very level and smooth after accomplishing, floor layer adopts when floating the structure, to avoid the heat preservation sound insulating layer to appear great deformation when receiving pressure (usually because the concave surface contactless of heat preservation sound insulating layer and floor layer appears great deformation), most enterprises mostly adopt to do the screed-coat earlier on floor layer, the screed-coat generally is the cement mortar layer that 20mm is thick, then lay heat preservation sound insulating layer, pour the protective layer again on the heat preservation sound insulating layer and appear great deformation when avoiding heat preservation sound insulating layer pressurized betterly, nevertheless when putting the furniture that the quality is big on the veneer layer and make the floor receive great point atress or/and line atress, will lead building ground hollowing very easily, quality hidden danger such as fracture.
In the embodiment, the I-shaped rail connecting plate grooves are used for enabling the plurality of heat preservation sound insulation plates to be located on the same horizontal plane, the thin steel bars and the support structure of the cast-in-place geopolymer component are adopted to prevent the heat preservation sound insulation layer from being greatly deformed when being pressed, and the fluidity of geopolymer grouting materials and the overall smoothness of the heat preservation sound insulation layer are utilized to support and level the whole heat preservation sound insulation system, so that the quality problems of hollowing, cracking and the like of the floor surface caused by deformation of the heat preservation sound insulation layer due to large pressure are avoided, and the application cost of the building floor heat preservation sound insulation system is further reduced.
On the basis of the building floor heat preservation and sound insulation system, the embodiment also provides a construction method of the building floor heat preservation and sound insulation system, and the construction method comprises the following steps:
s1, cleaning the surface of the floor layer;
s2, laying a heat-insulating and sound-insulating layer consisting of a plurality of heat-insulating and sound-insulating plates on a floor layer, and respectively connecting adjacent heat-insulating and sound-insulating plates together by adopting a plurality of I-shaped rail connecting plate grooves to enable the plurality of heat-insulating and sound-insulating plates to be positioned on the same horizontal plane, wherein the heat-insulating and sound-insulating plates are provided with a plurality of rows of holes, each row of holes is a plurality of uniformly distributed through holes, the upper parts of the holes are also provided with a plurality of reinforcing steel bar grooves, and the reinforcing steel bar grooves are arranged between the adjacent through holes in the horizontal direction;
and S3, filling gap filling materials in the gaps between the bottoms of the peripheries of the through holes of the heat insulation and sound insulation plates and the floor layers. The joint filling material can adopt polyurethane foam adhesive;
s4, installing thin steel bars in the steel bar groove and the through holes at the two ends of the steel bar groove, wherein the two ends of the thin steel bars are respectively arranged in the through holes communicated with the two ends of the steel bar groove;
s5, casting a polymer grouting material in the through hole in a cast-in-place mode, and after the polymer grouting material is solidified to form a cast-in-place polymer component, casting a protective layer on the heat insulation and sound insulation layer and the cast-in-place polymer component;
and S6, installing a decorative layer on the protective layer.
In current building floor heat preservation sound insulation system, from the bottom up generally adopts floor layer, screed-coat, heat preservation, protective layer and finish coat's structure, and the screed-coat generally adopts 20mm thick cement mortar, and cement mortar curing time generally is more than 24 hours, and the screed-coat solidification has behind the higher strength, just can carry out follow-up construction, and wherein, heat preservation and protective layer are done again after the screed-coat solidification, and the finish coat generally is under construction in the later stage, lays floor or bonding ceramic tile.
In the embodiment, the leveling layer is not made, so that the application cost and the construction time of the leveling layer are greatly reduced, the support structure combining the cast-in-place geopolymer part and the thin steel bars is adopted to realize that the heat insulation and sound insulation layer cannot deform greatly when being pressed, and the cast-in-place geopolymer part is formed by curing the rapidly-cured geopolymer grouting material (the general curing time is 2 hours), so that the construction time cannot be obviously increased, and the construction time and the construction cost of the building floor heat insulation and sound insulation system are further reduced on the whole.
The scope of the present invention is not limited to the above description, and any other products with different shapes, structures and material choices, which are similar or similar to the present invention, are within the scope of the present invention.

Claims (4)

1. A building floor heat and sound insulation system comprises a finish coat (1), a protective coat (3), a heat and sound insulation layer and a floor layer (8), wherein the heat and sound insulation layer comprises a plurality of heat and sound insulation plates (4), the heat and sound insulation plates (4) are provided with a plurality of rows of holes, each row of holes is a plurality of uniformly distributed through holes (11), the building floor heat and sound insulation system is characterized in that the upper part of the heat and sound insulation plate (4) is provided with a plurality of reinforcing steel bar grooves (10) which are arranged between the adjacent through holes in the horizontal direction or between the adjacent through holes in the vertical direction, the building floor heat and sound insulation system also comprises a cast-in-place polymer part (6) arranged in the through holes, fine reinforcing steel bars (5) arranged in the reinforcing steel bar grooves and the through holes at two ends of the reinforcing steel bar grooves, a gap filling material (7) and a plurality of I-shaped rail connecting plate grooves (12), two ends of, gaps between the bottoms of the peripheries of the through holes of the heat-insulation sound-insulation plates and the floor layers are filled with joint filling materials, the cast-in-situ geopolymer component (6) is cast in situ by geopolymer grouting materials, the compressive strength of the cast-in-situ geopolymer component is greater than or equal to that of the protective layer, and the I-shaped rail connecting plate grooves (12) are used for respectively connecting the adjacent heat-insulation sound-insulation plates (4) together to enable the plurality of heat-insulation sound-insulation plates to be positioned on the same horizontal plane.
2. The building floor heat-insulating and sound-insulating system as claimed in claim 1, wherein the top end of the thin steel bar is higher than the upper end face of the heat-insulating and sound-insulating plate, the bottom end of the thin steel bar is lower than the upper end face of the heat-insulating and sound-insulating plate, and the width of the steel bar groove is 0.95-1.05 times the diameter of the thin steel bar.
3. The building floor thermal insulation and sound insulation system according to claim 1, wherein the gap between the reinforcement groove and the thin reinforcement is filled with a caulking material.
4. A construction method of a building floor heat preservation and sound insulation system is characterized by comprising the following steps:
s1, cleaning the surface of the floor layer;
s2, laying a heat-insulation and sound-insulation layer consisting of a plurality of heat-insulation and sound-insulation plates on a floor layer, and respectively connecting adjacent heat-insulation and sound-insulation plates together by adopting a plurality of I-shaped rail connecting plate grooves to enable the plurality of heat-insulation and sound-insulation plates to be positioned on the same horizontal plane, wherein the heat-insulation and sound-insulation plates are provided with a plurality of rows of holes, each row of holes is a plurality of uniformly distributed through holes, the upper parts of the heat-insulation and sound-insulation plates are also provided with a plurality of reinforcing steel bar grooves, and the reinforcing steel bar grooves are arranged between the adjacent through holes in the;
s3, filling gap filling materials at the gaps between the bottoms of the peripheries of the through holes of the heat insulation and sound insulation plates and the floor layers;
s4, installing thin steel bars in the steel bar groove and the through holes at the two ends of the steel bar groove, wherein the two ends of the thin steel bars are respectively arranged in the through holes communicated with the two ends of the steel bar groove;
s5, casting a polymer grouting material in the through hole in a cast-in-place mode, and after the polymer grouting material is solidified to form a cast-in-place polymer component, casting a protective layer on the heat insulation and sound insulation layer and the cast-in-place polymer component.
CN202010112373.3A 2020-02-24 2020-02-24 Building floor heat preservation and sound insulation system and construction method thereof Active CN111139958B (en)

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CN113503039A (en) * 2021-08-16 2021-10-15 上海城建建设实业集团新型建筑材料嘉兴有限公司 Construction method of web member assembly type truss of embedded type lower chord member propeller strut
CN113502978A (en) * 2021-08-16 2021-10-15 上海城建建设实业集团新型建筑材料嘉兴有限公司 Embedded type lower chord member herringbone frame web member assembly type truss

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