CN111206708A - Sound-insulation fireproof assembled steel frame floor structure and installation method - Google Patents

Sound-insulation fireproof assembled steel frame floor structure and installation method Download PDF

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Publication number
CN111206708A
CN111206708A CN202010127206.6A CN202010127206A CN111206708A CN 111206708 A CN111206708 A CN 111206708A CN 202010127206 A CN202010127206 A CN 202010127206A CN 111206708 A CN111206708 A CN 111206708A
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CN
China
Prior art keywords
layer
sound
floor
square pipe
pipe frame
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Pending
Application number
CN202010127206.6A
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Chinese (zh)
Inventor
许阳
刘龙
宋勇丰
冯余爽
马慧玲
王雅杰
丁晨生
金小龙
段景威
尤宏程
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gold Mantis Fine Decoration Technology Suzhou Co Ltd
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Gold Mantis Fine Decoration Technology Suzhou Co Ltd
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Application filed by Gold Mantis Fine Decoration Technology Suzhou Co Ltd filed Critical Gold Mantis Fine Decoration Technology Suzhou Co Ltd
Priority to CN202010127206.6A priority Critical patent/CN111206708A/en
Publication of CN111206708A publication Critical patent/CN111206708A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/10—Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)

Abstract

The invention provides a sound-proof and fireproof assembled steel frame floor structure, which comprises: the I-steel frame layer comprises a plurality of I-steel arranged in parallel; the upper floor layer comprises a square pipe frame layer and an upper composite plate layer, the square pipe frame layer is fixedly arranged above the I-steel, and the upper composite plate layer is fixedly arranged on the square pipe frame layer; the lower floor layer comprises a floor plate, angle irons and lower flame-retardant plates, the floor plate is fixedly arranged among the I-shaped steels, the angle irons are fixedly arranged at the bottoms of the I-shaped steels, the angle irons and the I-shaped steels are arranged in parallel, and the lower flame-retardant plates are fixedly arranged at the bottoms of the angle irons. The invention also provides an installation method of the sound-insulation fireproof assembled steel frame floor structure. According to the sound-insulation fireproof fabricated steel frame floor structure and the installation method, the floor has excellent sound insulation and fireproof capabilities while the characteristic of light weight is kept.

Description

Sound-insulation fireproof assembled steel frame floor structure and installation method
Technical Field
The invention relates to a steel frame type floor slab, in particular to a sound-insulation fireproof assembly type steel frame floor slab structure and an installation method.
Background
Along with the increase of domestic economy, more and more luxury houses exist, and owners pay more and more attention to interior decoration, especially space utilization, all want to maximize space utilization, for example, some owners want to add lofts on the top floor, which needs the floor slab to separate the vertical space inside the building. In view of the structural safety and the load-bearing capacity of the whole building structure, the floor slab needs to use a material which is light and has proper strength, so that the concrete floor slab cannot be used, and a steel frame type floor slab needs to be used.
Along with the development of home decoration technology, the market needs the steel frame type floor which accords with the assembly type concept because the assembly type construction has low construction difficulty, is beneficial to standardization and the like and is widely applied to various fields of home decoration. In addition, the performance of the existing steel framed floor is superior to that of a concrete floor in terms of reduction of load, but the ability of the existing steel framed floor in terms of sound insulation and fire resistance is insufficient.
Disclosure of Invention
In view of the above, the invention provides a sound-insulation fireproof fabricated steel frame floor structure and an installation method thereof. The floor slab integrally adopts an assembled structure, and the construction difficulty is low and the efficiency is high.
Therefore, the invention provides a sound-proof and fireproof assembled steel frame floor structure, which comprises:
the I-steel frame layer comprises a plurality of I-steel arranged in parallel;
the upper floor slab layer comprises a square pipe frame layer and an upper composite slab layer, the square pipe frame layer is fixedly arranged above the I-steel, and the upper composite slab layer is fixedly arranged on the square pipe frame layer;
and the lower floor layer comprises a floor plate, angle irons and lower flame-retardant plates, the floor plate is fixedly arranged among the plurality of I-shaped steels, the angle irons are fixedly arranged at the bottoms of the I-shaped steels, the angle irons and the I-shaped steels are arranged in parallel, and the lower flame-retardant plates are fixedly arranged at the bottoms of the angle irons.
Further, square pipe frame layer is including first square pipe frame layer and second square pipe frame layer from top to bottom, and first square pipe frame layer and second square pipe frame layer pass through the stand and form overhead structure.
Furthermore, a sound absorbing plate layer is arranged between the first square pipe frame layer and the second square pipe frame layer.
Further, inhale the sound sheet layer and include abatvoix and lower abatvoix, go up abatvoix fixed mounting in first side pipe support layer below, down abatvoix fixed mounting is in second side pipe support layer top, is provided with the array on last abatvoix and the lower abatvoix and arranges the sound absorption hole of branch.
Furthermore, the cross sections of the upper sound-absorbing plate and the lower sound-absorbing plate are of uneven wavy structures.
Further, go up the composite sheet layer including fire-retardant board on first fire-retardant board, first acoustic celotex board and the second from top to bottom, fire-retardant board fixed mounting is on square pipe frame layer on the second.
Furthermore, sound insulation materials are filled between the floor boards and the lower flame-retardant boards to form a second sound insulation layer.
Further, the second soundproof layer is made of light soundproof cotton material.
Further, the assembled suspended ceiling is arranged below the lower floor slab layer and comprises a hanging rod, hanging pieces, a main keel, an auxiliary keel and a base plate, the hanging rod is fixedly arranged below the lower floor slab layer, the hanging pieces are fixedly arranged below the hanging rod, the main keel is fixedly arranged at the bottom of the hanging pieces, the auxiliary keel is fixedly arranged below the main keel, the auxiliary keel is perpendicular to the main keel, and the base plate is fixedly arranged at the bottom of the auxiliary keel.
In another aspect, the present invention provides a method for installing a sound-proof and fire-proof fabricated steel framed floor structure, comprising the steps of:
1) fixedly mounting floor boards among a plurality of I-beams of an original I-beam frame layer, and bonding a second sound insulation layer made of light sound insulation cotton below the floor boards;
2) welding an angle iron below the I-steel, and then fixedly installing a lower flame-retardant plate at the bottom of the angle iron, wherein a second sound insulation layer is positioned between the floor plate and the lower flame-retardant plate;
3) welding a square pipe frame layer on the I-shaped steel, and sequentially laying a second upper flame-retardant plate, a first sound insulation plate and a first upper flame-retardant plate on the square pipe frame layer;
4) the hanging rod is fixedly installed on the angle iron, the hanging piece is fixed at the bottom of the hanging rod, the main keel is fixed below the hanging piece, the auxiliary keel is fixed below the main keel, and the base plate is fixed below the auxiliary keel.
According to the sound-insulation and fireproof assembled steel frame floor structure and the installation method, the original I-steel is divided into an upper layer and a lower layer, the upper composite plate layer is composed of a 9mm first upper flame-retardant plate, a 5mm first sound-insulation plate and a 15mm second upper flame-retardant plate, the upper composite plate layer is installed on the I-steel through a 40 x 60 square tube frame layer, the first sound-insulation plate is clamped between the first upper flame-retardant plate and the second upper flame-retardant plate, and the sound-insulation and fireproof assembled steel frame floor structure has fireproof and sound-insulation capabilities. Fire-retardant board separates through 4# angle bar under 1mm floor board in below and the 12mm, and the second puigging that light soundproof cotton made is filled to the centre, and not only environmental protection but also easily installation, lower floor board layer also have fire prevention and sound insulation ability concurrently. Therefore, the steel frame type floor provided by the invention has excellent sound insulation and fire resistance. The steel frame type floor slab provided by the invention adopts an assembled structure, the assembled upper floor slab layer and the assembled lower floor slab layer can be flexibly adjusted, the thickness of the used flame-retardant plates and the number of the middle interval soundboards can be flexibly adjusted according to requirements like the upper composite plate layer, and the assembled structure also has the advantages of low construction difficulty and high construction efficiency.
According to the sound-insulation fireproof fabricated steel frame floor structure and the installation method, the floor has excellent sound insulation and fireproof capabilities while the characteristic of light weight is kept.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a sound-insulating and fire-proof fabricated steel frame floor structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a square tube frame layer in a sound-insulating and fire-proof fabricated steel frame floor slab structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an upper acoustic panel in a sound-insulating and fire-proof fabricated steel framed floor structure according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of an upper acoustic panel in a sound-insulating and fire-resistant fabricated steel framed floor structure according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 4, there is shown a sound-insulating and fire-proof fabricated steel framed floor structure according to an embodiment of the present invention, including:
the I-steel frame layer comprises a plurality of I-steel 3 arranged in parallel;
the upper floor slab layer 1 comprises a square pipe frame layer 11 and an upper composite slab layer 12, the square pipe frame layer 11 is fixedly arranged above the I-steel 3, and the upper composite slab layer 12 is fixedly arranged on the square pipe frame layer 11;
the lower floor slab layer 2 comprises floor slabs 21, angle irons 22 and lower flame-retardant plates 23, the floor slabs 21 are fixedly installed among the plurality of I-shaped steels 3, the angle irons 22 are fixedly installed at the bottoms of the I-shaped steels 3, the angle irons 22 and the I-shaped steels 3 are arranged in parallel, and the lower flame-retardant plates 23 are fixedly installed at the bottoms of the angle irons 22.
Specifically, referring to fig. 1 to 4, the upper composite board layer 12 includes a first upper flame retardant sheet 121, a first sound insulation sheet 122, and a second upper flame retardant sheet 123 from top to bottom, and the second upper flame retardant sheet 123 is fixedly mounted on the square pipe frame layer 11.
Specifically, referring to fig. 1 to 4, a sound insulation material is filled between the floor panel 21 and the lower flame retardant panel 23 to form a second sound insulation layer 24.
Specifically, referring to fig. 1-4, the second acoustical layer 24 is a lightweight acoustic cotton material.
Lower floor layer 2 below is provided with assembled furred ceiling 4, assembled furred ceiling 4 includes jib 41, suspender 42, main joist 43, false keel 44 and base plate 45, jib 41 fixed mounting is in floor layer 2 below down, suspender 42 fixed mounting is in jib 41 below, main joist 43 fixed mounting is in suspender 42 bottom, false keel 44 fixed mounting is in main joist 43 below, false keel 44 is perpendicular to main joist 43, base plate 45 fixed mounting is in false keel 44 bottom.
In another aspect, the present invention provides a method for installing a sound-proof and fire-proof fabricated steel framed floor structure, comprising the steps of:
1) fixedly mounting floor plates 21 among a plurality of I-beams 3 of the original I-beam frame layer, and bonding second sound insulation layers 24 made of light sound insulation cotton below the floor plates 21;
2) the angle iron 22 is welded below the I-steel 3, then the lower flame-retardant plate 23 is fixedly arranged at the bottom of the angle iron 22, and the second sound insulation layer 24 is positioned between the floor plate 21 and the lower flame-retardant plate 23;
3) welding the square pipe frame layer 11 on the I-steel 3, and sequentially laying a second upper flame retardant plate 123, a first sound insulation plate 122 and a first upper flame retardant plate 121 on the square pipe frame layer 11;
4) a hanger rod 41 is fixedly arranged on an angle iron 22, a hanger 42 is fixed at the bottom of the hanger rod 41, a main keel 43 is fixed below the hanger 42, a cross keel 44 is fixed below the main keel 43, and a base plate 45 is fixed below the cross keel 44.
According to the sound-insulation and fireproof assembled steel frame floor structure and the installation method, the original I-steel is divided into an upper layer and a lower layer, the upper composite plate layer is composed of a 9mm first upper flame-retardant plate, a 5mm first sound-insulation plate and a 15mm second upper flame-retardant plate, the upper composite plate layer is installed on the I-steel through a 40 x 60 square tube frame layer, the first sound-insulation plate is clamped between the first upper flame-retardant plate and the second upper flame-retardant plate, and the sound-insulation and fireproof assembled steel frame floor structure has fireproof and sound-insulation capabilities. Fire-retardant board separates through 4# angle bar under 1mm floor board in below and the 12mm, and the second puigging that light soundproof cotton made is filled to the centre, and not only environmental protection but also easily installation, lower floor board layer also have fire prevention and sound insulation ability concurrently. Therefore, the steel frame type floor provided by the invention has excellent sound insulation and fire resistance. The steel frame type floor slab provided by the invention adopts an assembled structure, the assembled upper floor slab layer and the assembled lower floor slab layer can be flexibly adjusted, the thickness of the used flame-retardant plates and the number of the middle interval soundboards can be flexibly adjusted according to requirements like the upper composite plate layer, and the assembled structure also has the advantages of low construction difficulty and high construction efficiency.
According to the sound-insulation fireproof fabricated steel frame floor structure and the installation method, the floor has excellent sound insulation and fireproof capabilities while the characteristic of light weight is kept.
Example two:
referring to fig. 1 to 4, there is shown a sound-insulating and fire-proof fabricated steel frame floor structure according to a second embodiment of the present invention, which is further modified as follows based on the above embodiment: the square pipe frame layer 11 comprises a first square pipe frame layer 111 and a second square pipe frame layer 112 from top to bottom, and the first square pipe frame layer 111 and the second square pipe frame layer 112 form an overhead structure through a stand column 113.
The square pipe frame layer formed by the galvanized square pipes is of a double-layer structure, and the stand columns enable an overhead space to be formed between the first square pipe frame layer and the second square pipe frame layer, so that the fireproof capacity of the floor slab is further improved.
Example three:
referring to fig. 1 to 4, there is shown a sound-insulating and fire-proof fabricated steel frame floor structure according to a third embodiment of the present invention, and on the basis of the third embodiment, the following technical solutions are further made in this embodiment as improvements: be provided with between first square pipe support layer 111 and the second square pipe support layer 112 and inhale sound sheet layer 13, inhale sound sheet layer 13 and include last abatvoix 131 and lower abatvoix 132, go up abatvoix 131 fixed mounting in first square pipe support layer 111 below, lower abatvoix 132 fixed mounting is in second square pipe support layer 112 top, is provided with array on last abatvoix 131 and the lower abatvoix 132 and arranges the sound absorption hole 133 of branch.
In order to further improve the sound insulation capability of the floor slab, the sound absorption layer is arranged in the middle of the square pipe frame layer of the double-layer structure and consists of the upper sound absorption plate and the lower sound absorption plate which are made of aluminum alloy materials, so that the fireproof capability of the floor slab is not influenced, and the sound insulation capability is improved.
Example four:
referring to fig. 1 to 4, a sound-insulating and fire-proof fabricated steel frame floor structure according to a fourth embodiment of the present invention is shown, and the present embodiment further adopts the following improvements on the basis of the above embodiments: the upper sound-absorbing plate 131 and the lower sound-absorbing plate 132 have uneven wavy cross sections.
Go up the abatvoix and all be that the cross-section is unevenness's wavy structure down, go up abatvoix and abatvoix symmetrical arrangement down, when sound was propagated between last abatvoix and the lower abatvoix, its vibration can offset each other, can further improve the sound insulating ability on sound absorbing layer like this.
Example five:
referring to fig. 1 to 4, a sound-insulating and fire-proof fabricated steel frame floor structure according to a fifth embodiment of the present invention is shown, and the present embodiment further adopts the following improvements on the basis of the above embodiments: lower floor layer 2 below is provided with assembled furred ceiling 4, assembled furred ceiling 4 includes jib 41, suspender 42, main joist 43, false keel 44 and base plate 45, jib 41 fixed mounting is in floor layer 2 below down, suspender 42 fixed mounting is in jib 41 below, main joist 43 fixed mounting is in suspender 42 bottom, false keel 44 fixed mounting is in main joist 43 below, false keel 44 is perpendicular to main joist 43, base plate 45 fixed mounting is in false keel 44 bottom.
In order to decorate the floor slab, an assembled suspended ceiling is arranged below the floor slab, the suspension rod is fixedly arranged on the lower floor slab through an M8 expansion bolt, a 300 multiplied by 600 arrangement light steel keel suspended ceiling consisting of 50 main keels and 50 auxiliary keels is fixed on a suspension member arranged below the suspension rod, and a base plate made of 9.5mm double-layer gypsum boards is fixed below the 50 auxiliary keels through screws.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The utility model provides an assembled steel frame floor structure that gives sound insulation and prevent fires which characterized in that includes:
an I-beam shelf layer comprising a plurality of parallel arranged I-beams (3);
the upper floor slab layer (1) comprises a square pipe frame layer (11) and an upper composite slab layer (12), the square pipe frame layer (11) is fixedly arranged above the I-steel (3), and the upper composite slab layer (12) is fixedly arranged on the square pipe frame layer (11);
lower floor layer (2), it includes floor board (21), angle bar (22) and fire-retardant board (23) down, floor board (21) fixed mounting is in a plurality of between I-steel (3), angle bar (22) fixed mounting in I-steel (3) bottom, angle bar (22) with I-steel (3) parallel arrangement, fire-retardant board (23) fixed mounting down in angle bar (22) bottom.
2. The soundproof and fireproof assembly type steel frame floor structure according to claim 1, wherein the square pipe frame layer (11) comprises a first square pipe frame layer (111) and a second square pipe frame layer (112) from top to bottom, and the first square pipe frame layer (111) and the second square pipe frame layer (112) form an overhead structure through a column (113).
3. A sound-insulating and fire-proof assembly type steel frame floor structure according to claim 2, characterized in that a sound-absorbing slab layer (13) is arranged between the first square pipe frame layer (111) and the second square pipe frame layer (112).
4. A sound-insulating and fire-proof fabricated steel frame floor structure according to claim 3, wherein the sound-absorbing slab layer (13) comprises an upper sound-absorbing slab (131) and a lower sound-absorbing slab (132), the upper sound-absorbing slab (131) is fixedly mounted below the first square pipe frame layer (111), the lower sound-absorbing slab (132) is fixedly mounted above the second square pipe frame layer (112), and the upper sound-absorbing slab (131) and the lower sound-absorbing slab (132) are provided with sound-absorbing holes (133) distributed in an array.
5. A sound-insulating and fire-proof fabricated steel framed floor structure as claimed in claim 4, characterized in that the cross-section of the upper sound-absorbing panel (131) and the lower sound-absorbing panel (132) is in a rugged wavy structure.
6. The soundproof and fireproof assembly type steel framed floor structure according to claim 1, wherein the upper composite slab layer (12) comprises a first upper fire retardant sheet (121), a first soundproof sheet (122) and a second upper fire retardant sheet (123) from top to bottom, the second upper fire retardant sheet (123) being fixedly installed on the square framed layer (11).
7. A sound-insulating and fire-proof assembly type steel framed floor structure according to claim 1, wherein a second sound-insulating layer (24) is formed by filling sound-insulating material between the floor panel (21) and the lower fire retardant panel (23).
8. An acoustic and fire resistant fabricated steel framed floor structure as claimed in claim 7, wherein said second acoustic layer (24) is of lightweight acoustic cotton material.
9. An acoustic and fire resistant fabricated steel framed floor structure according to claim 1, characterized in that a fabricated ceiling (4) is provided below the lower floor layer (2), the fabricated ceiling (4) comprises a hanger (41), a hanger (42), a main runner (43), a cross runner (44) and a base plate (45), the hanger (41) is fixedly installed below the lower floor layer (2), the hanger (42) is fixedly installed below the hanger (41), the main runner (43) is fixedly installed at the bottom of the hanger (42), the cross runner (44) is fixedly installed below the main runner (43), the cross runner (44) is perpendicular to the main runner (43), and the base plate (45) is fixedly installed at the bottom of the cross runner (44).
10. A method of installing a sound and fire insulating fabricated steel framed floor structure according to any of claims 1 to 9, characterized by the steps of:
1) fixedly mounting floor plates (21) among a plurality of I-beams (3) of an original I-beam frame layer, and bonding a second sound insulation layer (24) made of light sound insulation cotton below the floor plates (21);
2) welding angle irons (22) below the I-shaped steel (3), and then fixedly installing lower flame retardant plates (23) at the bottoms of the angle irons (22), wherein the second sound insulation layers (24) are located between the floor plates (21) and the lower flame retardant plates (23);
3) welding a square pipe frame layer (11) on the I-shaped steel (3), and paving a second upper flame-retardant plate (123), a first sound insulation plate (122) and a first upper flame-retardant plate (121) on the square pipe frame layer (11) in sequence;
4) the method comprises the steps that a hanging rod (41) is fixedly installed on the angle iron (22), a hanging piece (42) is fixed to the bottom of the hanging rod (41), a main keel (43) is fixed to the position below the hanging piece (42), an auxiliary keel (44) is fixed to the position below the main keel (43), and a base plate (45) is fixed to the position below the auxiliary keel (44).
CN202010127206.6A 2020-02-28 2020-02-28 Sound-insulation fireproof assembled steel frame floor structure and installation method Pending CN111206708A (en)

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CN202010127206.6A CN111206708A (en) 2020-02-28 2020-02-28 Sound-insulation fireproof assembled steel frame floor structure and installation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010127206.6A CN111206708A (en) 2020-02-28 2020-02-28 Sound-insulation fireproof assembled steel frame floor structure and installation method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111764596A (en) * 2020-07-07 2020-10-13 中建一局集团建设发展有限公司 Floor slab additional sound insulation surface layer system and construction method thereof
CN111779176A (en) * 2020-07-16 2020-10-16 海南创启亿科技有限公司 Indoor panel fitment structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111764596A (en) * 2020-07-07 2020-10-13 中建一局集团建设发展有限公司 Floor slab additional sound insulation surface layer system and construction method thereof
CN111779176A (en) * 2020-07-16 2020-10-16 海南创启亿科技有限公司 Indoor panel fitment structure

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