CN115961721A - Fireproof partition structure and construction method thereof - Google Patents

Abstract

The invention provides a fireproof partition structure and a construction method of the fireproof partition structure, wherein two ends of the fireproof partition structure are respectively used for being connected with two adjacent floor slabs to separate two areas; the fire resistive construction wraps up the periphery side at the supporting component. The invention solves the problem that the fire endurance of the steel beam and the firewall in the prior art can not meet the fire endurance requirement of the fireproof structure at the same time.

Description

Fireproof partition structure and construction method thereof

Technical Field

The invention relates to the technical field of fireproof equipment, in particular to a fireproof partition structure and a construction method of the fireproof partition structure.

Background

Steel construction substation building has higher requirement to the fire behavior of fire partition usually, fire partition system includes girder steel and fire partition wall usually, be the steel construction building of one-level to fire-resistant grade, the fire endurance requirement of girder steel is 2.0h, the fire endurance requirement of fire partition is 3.0h, the fire partition also has the heat-proof quality requirement simultaneously, current steel construction fire protection scheme is mostly girder steel outer spraying fire protection coating, however, still can't satisfy the heat-proof quality requirement of fire partition 3.0h behind the girder steel outer spraying fire protection coating, just also can't satisfy the fire endurance requirement, make the fire safety nature of steel construction substation building can't obtain the guarantee.

Disclosure of Invention

The invention mainly aims to provide a fireproof partition structure and a construction method of the fireproof partition structure, and aims to solve the problem that the fire endurance of a steel beam and a fireproof wall in the prior art cannot meet the fire endurance requirement of the fireproof partition at the same time.

In order to achieve the above object, according to one aspect of the present invention, there is provided a fire partition structure, both ends of which are respectively used for connecting with two adjacent floor slabs to separate two areas, the fire partition structure comprising a support assembly and a fire structure, wherein both ends of the support assembly are respectively used for connecting with two adjacent floor slabs; the fireproof structure wraps the periphery of the supporting component.

Further, the support assembly has a filling space, and the fireproof structure comprises a plurality of fireproof plates and a filling material, wherein the support assembly is clamped between at least two of the plurality of fireproof plates; the filler is disposed within the fill space.

Further, the support assembly includes: the first end of the first support structure is connected with one floor slab of the two floor slabs; the first end of the second supporting structure is connected with the second end of the first supporting structure, and the second end of the second supporting structure is connected with the other floor slab of the two floor slabs; the cross section of the first supporting structure is I-shaped, and/or the second supporting structure is keel steel.

Further, the width of the cross section of the first support structure is greater than or equal to the width of the cross section of the second support structure.

Further, the two steel plates which are oppositely arranged of the I-shaped first supporting structure are respectively connected with the floor slab and the second supporting structure.

Further, the web of the first supporting structure that is the I shape sets up between two steel sheets, and a plurality of PLASTIC LAMINATED include two first sub-PLASTIC LAMINATED, and two first sub-PLASTIC LAMINATED are located the both sides of web thickness direction respectively, and two first sub-PLASTIC LAMINATED all are connected with two steel sheets, and two installation spaces are enclosed into to the internal face of two steel sheets, two internal faces of two first sub-PLASTIC LAMINATED and two side wall surfaces of web thickness direction, all fill the filler in two installation spaces.

Further, at least one side of the second support structure is flush with the same side corresponding to the second support structure, so that the same side of the first support structure and the second support structure can share the same fireproof plate.

Furthermore, the filler is a non-combustion-supporting heat-insulating material, and the filler is at least one of aerated concrete material, rock wool and concrete blocks.

Furthermore, the two ends of the supporting component are connected with the two layers of floor slabs in a seamless mode.

Further, the plurality of fire prevention plates further comprise two second sub fire prevention plates, and the two second sub fire prevention plates are respectively arranged on two sides of the second support structure and connected with the second support structure.

According to another aspect of the invention, a construction method of a fireproof partition structure is provided, which is used for installing the fireproof partition structure, and comprises the following steps of S1, respectively connecting two ends of a supporting component with two adjacent floor slabs; and S2, wrapping the fireproof structure on the outer peripheral side of the supporting component.

Further, in step S2, the filling material of the fire-proof structure is filled into the filling space 100 of the support assembly, and then the plurality of fire-proof plates of the fire-proof structure are installed, so that the support assembly is sandwiched between at least two fire-proof plates of the plurality of fire-proof plates.

By applying the technical scheme of the invention, the fireproof partition structure is arranged between the two floors, and the fireproof structure is wrapped on the outer peripheral side of the supporting component of the fireproof partition structure, so that the whole fireproof partition structure can meet the requirement of fire resistance limit, and the fireproof safety of a building is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a fire partition structure according to a first embodiment of the invention;

FIG. 2 is a schematic structural view of a fire partition structure according to a second embodiment of the present invention;

FIG. 3 shows a schematic structural view of a fire partition structure according to a third embodiment of the present invention;

FIG. 4 shows a schematic structural view of a fire partition structure according to a fourth embodiment of the present invention;

FIG. 5 shows a partial structural view of the fire break structure of FIG. 4, wherein the second support structure is not filled with filler;

FIG. 6 shows a partial schematic structural view of the fire break structure of FIG. 3, wherein the second support structure is not filled with filler;

fig. 7 shows a schematic flow diagram of a construction method of a fire barrier structure according to an alternative embodiment of the invention.

Wherein the figures include the following reference numerals:

10. a support assembly; 11. a first support structure; 12. a second support structure;

20. a fire-resistant structure; 21. a fire-proof plate; 211. a first sub fire proof plate; 212. a second sub-fire protection plate; 22. a filler; 100. filling the space; 1. and (7) a floor slab.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

The invention provides a fireproof partition structure and a construction method of the fireproof partition structure, and aims to solve the problem that a fireproof structure in the prior art cannot meet the fire endurance requirements of a steel beam and a fireproof partition at the same time.

As shown in fig. 1 to 6, two ends of the fire-proof partition structure are respectively used for connecting with two adjacent floor slabs 1 of the floor slab to separate two areas, and the fire-proof partition structure comprises a support assembly 10 and a fire-proof structure 20, wherein two ends of the support assembly 10 are respectively used for connecting with two adjacent floor slabs 1 of the floor slab; the fire-proof structure 20 is wrapped around the outer circumference of the support assembly 10.

By applying the technical scheme of the invention, the fireproof partition structure is arranged between the two floors 1, and the fireproof structure 20 is wrapped on the outer peripheral side of the support component 10 of the fireproof partition structure, so that the fire resistance limit and the heat insulation performance of the whole fireproof partition structure can meet the requirements, and the fireproof safety of a building is improved.

As shown in fig. 1-6, the support assembly 10 has a filling space 100, and the fire-blocking structure 20 includes a plurality of fire-blocking plates 21 and a filler 22, wherein the support assembly 10 is sandwiched between at least two of the plurality of fire-blocking plates 21; the filler 22 is disposed in the filling space 100. In this way, filler 22 is disposed in filling space 100, and fire shield 21 is disposed outside support assembly 10, and filler 22 and fire shield 21 wrap support assembly 10, ensuring that both the fire endurance and thermal insulation of support assembly 10 meet the fire endurance and thermal insulation requirements of the fire partition structure.

As shown in fig. 1 to 4, the support assembly 10 comprises a first support structure 11 and a second support structure 12, wherein a first end of the first support structure 11 is connected with one floor slab 1 of two floor slabs 1; a first end of the second support structure 12 is connected with a second end of the first support structure 11, and a second end of the second support structure 12 is connected with the other floor slab 1 of the two floor slabs 1; wherein, the cross section of the first supporting structure 11 is in an I shape, and/or the second supporting structure 12 is keel steel; two steel plates which are oppositely arranged of the I-shaped first supporting structure 11 are respectively connected with the floor slab 1 and the second supporting structure 12. In this way, the two floors 1 oppositely arranged are connected by the support members 10 to separate two areas, and when a fire breaks out in one of the areas, the other area can be protected by the partition of the support members 10.

It should be noted that, in the present application, the first support structure 11 is an i-shaped steel beam, the second support structure 12 is a light steel keel, the first support structure 11 is connected with the floor slab 1 through a stud, one end of the stud passes through the floor slab 1 and contacts with the upper end of the first support structure 11, and the first support structure 11 is connected with the stud through welding; first bearing structure 11 passes through the screw connection with second bearing structure 12, and the one end of screw passes second bearing structure 12 and with first bearing structure 11's lower extreme bottom surface fixed connection, has improved the stability of fire prevention partition structure.

As shown in fig. 1 to 6, the width of the cross section of the first support structure 11 is greater than or equal to the width of the cross section of the second support structure 12. In this way, the width of the cross section of the first support structure 11 is greater than or equal to the width of the cross section of the second support structure 12, so that a sufficient installation area between the second support structure 12 and the first support structure 11 is ensured, and the reliability of the connection between the second support structure 12 and the first support structure 11 is increased.

As shown in fig. 4 and 5, the width of the cross section of the first support structure 11 is equal to the width of the cross section of the second support structure 12, the web of the first support structure 11 in the shape of an i is disposed between two steel plates, the plurality of fire-proof plates 21 include two first sub fire-proof plates 211, the two first sub fire-proof plates 211 are respectively located on two sides of the thickness direction of the web, the two first sub fire-proof plates 211 are connected to the two steel plates, two installation spaces are enclosed by the inner wall surfaces of the two steel plates, the inner wall surfaces of the two first sub fire-proof plates 211 and two side wall surfaces of the thickness direction of the web, and the two installation spaces are filled with the filler 22. Like this, 11 installation space intussuseption of first bearing structure is filled with filler 22, 11 outside of first bearing structure is provided with first sub-PLASTIC LAMINATED 211, including filler 22 and first sub-PLASTIC LAMINATED 211 wrap up first bearing structure 11 completely to carry out sealed completely to first bearing structure 11, increased 11 first bearing structure's fire-resistant limit and heat-proof quality, reduced the contact of air with 11 first bearing structure simultaneously, improved 11 first bearing structure's life.

It should be noted that, in this application, the filler 22 is connected with the first support structure 11 through the heat-insulating nail or the adhesive material, the adhesive material is at least one of mortar and fire-proof glue, and the filler 22 is flexibly connected with the first sub-fireproof plate 211, so that the heat conduction of the first support structure 11 can be effectively blocked, and the heat insulation performance of the fire-proof partition structure is improved.

As shown in fig. 1 to 3 and 6, the width of the cross section of the first support structure 11 is greater than the width of the cross section of the second support structure 12, after the first support structure 11 is connected to the second support structure 12, the second end of a part of the first support structure 11 is not connected to the first end of the second support structure 12, and a first sub-fire-proof plate 211 is disposed at a position where the first support structure 11 is not connected to the second support structure 12, so that the filler 22 and the first sub-fire-proof plate 211 completely wrap the first support structure 11 and completely seal the first support structure 11, thereby increasing the fire endurance and the thermal insulation performance of the first support structure 11.

As shown in fig. 1, 2, 4 and 5, at least one side of the second support structure 12 is flush with a corresponding same side of the second support structure 12, such that the same fire shield 21 may be shared by the same side of the first support structure 11 and the second support structure 12. Like this, the same one side of first bearing structure 11 and second bearing structure 12 shares same fire prevention board 21, has reduced the degree of difficulty that the staff processed fire prevention board 21, has improved work efficiency.

As shown in fig. 3 and 6, the second supporting structure 12 is disposed coaxially with the first supporting structure 11, and the surfaces of the second supporting structure 12 and the first supporting structure 11 are completely covered by the fireproof plate 21, so as to improve the fire endurance of the fireproof partition structure.

In the present application, the filler 22 is a non-combustion-supporting heat insulating material, and the filler 22 is at least one of an aerated concrete material, rock wool, and a concrete block. Thus, the filler 22 is a non-combustion supporting and heat insulating material that can meet the thermal insulation requirements of the first support structure 11 while increasing the fire endurance of the first support structure 11.

It should be noted that, in the present application, in the filling space 100 of the second support structure 12, the filler 22 is a flexible non-combustible high temperature resistant material, which improves the fire endurance of the second support structure 12, and on the other hand, the flexible non-combustible high temperature resistant material is filled in the second support structure 12, which reduces the difficulty of the filling process and reduces the burden of the worker.

It should be noted that, in the present application, both ends of the supporting component 10 are connected to the two floor slabs 1 in a seamless manner. Like this, when the regional conflagration that takes place of fire prevention partition structure one side, be seamless connection between the both ends of supporting component 10 and the two-layer floor 1 of corresponding connection, can avoid flame to get into the region of fire prevention partition structure opposite side, increase the reliability that fire prevention of fire prevention partition structure.

As shown in fig. 1-6, the plurality of flame retardant panels 21 further includes two second sub-flame retardant panels 212, and the two second sub-flame retardant panels 212 are respectively disposed at both sides of the second support structure 12 and connected to the second support structure 12. In this way, the second support structure 12 has the filler 22 inside and the second sub-fire shield 212 covered on the outside, ensuring that the second support structure 12 meets the fire endurance requirements of the fire rated partition structure.

It should be noted that, in the present application, the second sub-fire protection plate 212 is connected to the second support structure 12 by a self-tapping bolt, so as to ensure the fire-proof performance of the second support structure 12.

It should be noted that, in this application, the first sub-fireproof plate 211 and the second sub-fireproof plate 212 are made of the same material, and the first sub-fireproof plate 211 and the second sub-fireproof plate 212 are tightly connected to each other, so as to seal and fixedly connect the first support structure 11 and the second support structure 12, so that the fireproof performance of the fireproof partition structure is complete, and the whole fireproof partition structure meets the requirement of the fireproof limit.

As shown in fig. 7, a construction method of a fire partition structure is used for the fire partition structure described above and below, and includes the steps of, step S1, connecting both ends of a support assembly 10 with two adjacent floor slabs 1, respectively; step S2, wrapping the fireproof structure 20 on the outer periphery of the support assembly 10.

In this application, in step S2, the filler 22 of the fire-proof structure 20 is first filled into the filling space 100 of the support assembly 10, and then the plurality of fire-proof plates 21 of the fire-proof structure 20 are mounted, so that the support assembly 10 is interposed between at least two of the plurality of fire-proof plates 21. In this way, the support assembly 10 is filled with the filler 22 and covered externally with the fire protection plate 21, which effectively increases the overall fire endurance of the fire-resistant partition structure.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. The utility model provides a fire partition structure, its characterized in that, fire partition structure's both ends are used for being connected in order to separate two regions with adjacent two-layer floor (1) respectively, fire partition structure includes:

the two ends of the supporting component (10) are respectively used for being connected with two adjacent layers of the floor slabs (1);

a fire protection structure (20), the fire protection structure (20) wrapping around an outer perimeter of the support assembly (10).

2. Fire partition structure according to claim 1, characterised in that the support assembly (10) has a filling space (100), the fire partition structure (20) comprising:

a plurality of fire retardant panels (21), the support assembly (10) being interposed between at least two of the fire retardant panels (21) of the plurality of fire retardant panels (21);

a filler (22), the filler (22) being disposed within the fill space (100).

3. A fire partition structure according to claim 2, characterised in that the support assembly (10) comprises:

a first support structure (11), a first end of the first support structure (11) being connected to one of the two floors (1) of the floor (1);

a second support structure (12), a first end of the second support structure (12) being connected to a second end of the first support structure (11), a second end of the second support structure (12) being connected to the floor (1) of the other of the two floors (1);

wherein the cross section of the first supporting structure (11) is I-shaped, and/or,

the second support structure (12) is keel steel.

4. A fire break structure according to claim 3, characterised in that the width of the cross-section of the first support structure (11) is equal to or greater than the width of the cross-section of the second support structure (12).

5. A fire partition structure according to claim 3, characterised in that the two oppositely arranged steel plates of the i-shaped first support structure (11) are connected to the floor slab (1) and the second support structure (12), respectively.

6. The fire partition structure according to claim 5, wherein the web of the first support structure (11) having an i-shape is disposed between two steel plates, the plurality of fire prevention plates (21) includes two first sub fire prevention plates (211), the two first sub fire prevention plates (211) are respectively located on two sides of the web in the thickness direction, and the two first sub fire prevention plates (211) are connected to the two steel plates, two installation spaces are defined by an inner wall surface of the two steel plates, an inner wall surface of the two first sub fire prevention plates (211), and two side wall surfaces of the web in the thickness direction, and the filler (22) is filled in each of the two installation spaces.

7. The fire partition structure of claim 3,

at least one side of the second support structure (12) is flush with the same side of the second support structure (12) so that the same side of the first support structure (11) and the second support structure (12) can share the same fire shield (21).

8. A fire partition structure according to claim 2, characterised in that the filler (22) is a non-combustion supporting and heat insulating material and that the filler (22) is at least one of aerated concrete material, rock wool, concrete blocks.

9. A fire partition structure according to any one of claims 1 to 8, characterised in that both ends of the supporting member (10) are seamlessly connected to the two correspondingly connected floor slabs (1).

10. A fire partition structure according to claim 3, characterised in that the plurality of fire retardant panels (21) further comprises two second sub fire retardant panels (212), the two second sub fire retardant panels (212) being respectively arranged on both sides of the second support structure (12) and being connected to the second support structure (12).

11. A method of constructing a fire partition structure, for use in the fire partition structure of any one of claims 1 to 10, comprising the steps of:

s1, connecting two ends of a supporting component (10) with two layers of floor slabs (1) which are oppositely arranged respectively;

and S2, wrapping a fireproof structure (20) on the outer periphery of the support component (10).

12. The construction method according to claim 11, wherein in the step S2, a filler (22) of the fire protection structure (20) is filled into the filling space (100) of the support member (10), and then the plurality of fire prevention plates (21) of the fire protection structure (20) are installed such that the support member (10) is interposed between at least two of the plurality of fire prevention plates (21).

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