WO2015041345A1 - Élément allongé thermiquement expansif pouvant être disposé dans un trou traversant d'un compartiment ignifuge, procédé pour produire une structure ignifuge d'une section de pénétration de compartiment, et structure ignifuge d'une section de pénétration de compartiment - Google Patents

Élément allongé thermiquement expansif pouvant être disposé dans un trou traversant d'un compartiment ignifuge, procédé pour produire une structure ignifuge d'une section de pénétration de compartiment, et structure ignifuge d'une section de pénétration de compartiment Download PDF

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Publication number
WO2015041345A1
WO2015041345A1 PCT/JP2014/074939 JP2014074939W WO2015041345A1 WO 2015041345 A1 WO2015041345 A1 WO 2015041345A1 JP 2014074939 W JP2014074939 W JP 2014074939W WO 2015041345 A1 WO2015041345 A1 WO 2015041345A1
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WO
WIPO (PCT)
Prior art keywords
hole
thermally expandable
long
partition
fire prevention
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Application number
PCT/JP2014/074939
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English (en)
Japanese (ja)
Inventor
秀康 中嶋
高成 田中
Original Assignee
積水化学工業株式会社
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Application filed by 積水化学工業株式会社 filed Critical 積水化学工業株式会社
Priority to JP2014550219A priority Critical patent/JP6397333B2/ja
Publication of WO2015041345A1 publication Critical patent/WO2015041345A1/fr

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/065—Physical fire-barriers having as the main closure device materials, whose characteristics undergo an irreversible change under high temperatures, e.g. intumescent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing
    • F16L5/04—Sealing to form a firebreak device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings

Definitions

  • the present invention relates to a thermally expandable elongate member that can be disposed in a through-hole of a fire prevention compartment, a method for forming a fire prevention structure of a compartment penetration portion, and a fire prevention structure of the compartment penetration portion.
  • a fire-resistant structure around a through-hole through which a pipe such as a refrigerant pipe is inserted in a partition wall of a fire-proof compartment is a steel sleeve, a steel sleeve and a pipe disposed on the peripheral surface of the partition wall that defines the through-hole. It is comprised from the clay-like thermally expansible filler which fills the gap
  • Patent Document 3 discloses a sleeve having openings at both ends, inserted through holes provided in a partition provided in a structure partition, cable wiring pipes inserted into the sleeve, and an expansion start temperature.
  • a fireproof compartment penetration structure is disclosed, characterized in that it is installed in the gap between the pipe and the sleeve.
  • Patent Document 4 discloses a thermally expandable fireproof sheet installed along a gap between a through hole of a partition provided in a partition portion of a structure and a through hole and the pipe.
  • a heat-expandable fireproof sheet having at least a main body and an elastic protrusion, and the elastic protrusion of the heat-expandable fireproof sheet is installed on the outer peripheral surface of the heat-expandable fireproof sheet, and the elasticity of the heat-expandable fireproof sheet
  • a fireproof compartment penetration structure is disclosed in which a protrusion protrudes outside the through-hole and hangs outside the through-hole.
  • the 2nd thermal expansion fireproof sheet which has a thermal expansion fireproof sheet main body and an elastic protrusion part is installed.
  • An object of the present invention is to provide a thermally expandable elongate member that achieves fire protection simply and effectively without using a clay-like thermally expandable filler or an external holding jig, and a method for forming a fireproof structure of a partition through portion And providing a fire prevention structure of the partition through portion.
  • the present inventors have found that the partition penetrating portion has sufficient fire resistance by disposing a thermally expandable long member between the piping and cable in the through hole,
  • the present invention has been completed. That is, the present invention is as follows.
  • WHEREIN It is a thermally expansible elongate member which can be constructed in the through-hole for arrangement
  • the long member includes a core made of a non-combustible material.
  • the thermally expansible elongate member is provided with a hook portion at an end portion in the longitudinal direction.
  • the hook is integrally formed from the same material as the thermally expandable long member.
  • WHEREIN It is a fire prevention method of a division
  • the method further includes enclosing the plurality of elongated objects together with a thermally expandable sleeve before inserting the plurality of elongated objects through the through-hole.
  • two or more thermally expandable elongated members are arranged, and an angle formed by at least two thermally expandable elongated members is 90 ° or more.
  • a fire prevention structure of the partition through portion which is provided with a fire prevention section including a partition wall having a through hole for disposing a long object, and a plurality of long members disposed in the through hole.
  • a partition penetrating portion comprising a scale and a thermally expandable elongated member constructed in the through-hole so that at least one thermally expandable elongated member is disposed between the elongated object and the elongated object
  • a fire protection structure is provided.
  • the cross section of the thermally expandable long member is L-shaped.
  • two or more thermally expandable elongated members are arranged, and an angle formed by at least two thermally expandable elongated members is 90 ° or more.
  • no filler is present inside the through hole.
  • the fire prevention structure of the partition through portion further includes a thermally expandable sleeve arranged to match the shape of the peripheral surface of the partition wall that partitions the through hole.
  • the thermally expandable long member when a long object is disposed, can be disposed in the through hole so as to conform to the shape of the peripheral surface of the partition wall that defines the through hole.
  • the perspective view which shows the relationship between the partition wall which shows one Embodiment of this invention, and piping.
  • the cross-sectional schematic diagram which shows the state by which the thermal expansion sleeve was mounted
  • the schematic diagram which shows another example of a thermally expansible sleeve.
  • C The schematic sectional drawing which shows another example of a thermally expansible elongate member.
  • the schematic diagram which shows another example of a thermally expansible elongate member.
  • (C) The schematic which shows the state which hooked the thermally expansible elongate member on the sleeve.
  • the perspective view which shows the fire prevention structure of the division penetration part in a floor.
  • FIG. 1 is a perspective view showing the relationship between a partition wall and piping showing an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the fire prevention structure of the partition through portion in the through hole.
  • a partition wall 1 as a partition part that defines fire prevention sections A and B is obtained by fixing two gypsum boards 3 and 4 on both sides of a steel stud 2, for a total of four sheets.
  • a cavity 5 is formed between the gypsum boards 3 and 4.
  • the partition wall 1 is formed with a substantially cylindrical through-hole 6 penetrating through the adjacent fire prevention sections A and B in the horizontal direction.
  • the through-hole 6 communicates with adjacent fire prevention compartments, and a pipe 10 or a cable 16 as a long object is inserted into the through-hole 6 to connect the adjacent compartments.
  • two refrigerant pipes 12 and two AC drain pipes 14 are shown as the pipe 10, and four cables 16 are shown.
  • An annular thermally expandable sleeve 20 is provided around the refrigerant pipe 12, the AC drain pipe 14, and the cable 16.
  • the thermally expandable sleeve 20 surrounds the refrigerant pipe 12, the AC drain pipe 14, and the cable 16 together and conforms to the shapes of the peripheral surfaces 3 a and 4 a of the partition walls 3 and 4 that define the through holes 6. It is configured.
  • the entire thermally expandable sleeve 20 is composed of a planar sheet member having a uniform thickness.
  • the thickness of the heat-expandable sleeve 20 is not particularly limited as long as the heat-expandable sleeve 20 can be installed in the through-hole 6 and the pipe can be surrounded by the heat-expandable sleeve 20 in the through-hole 6. 0.3 to 6 mm. When the thickness is less than 0.3 mm, it is necessary to wind many times to obtain a necessary winding thickness, and when it exceeds 6 mm, it is difficult to wind to a predetermined thickness.
  • the winding thickness of the strip-shaped expansion body is set such that the cross-sectional area occupied by the strip-shaped expansion body is 5 to 95% of the cross-sectional area of the through-hole or 10 to 90% of the total cross-sectional area of a plurality of long objects passing through. It is preferable.
  • the wrapping thickness is less than the lower limit value, it becomes difficult to form a sufficient fireproof heat insulating layer at the time of fire, and when the upper limit value is exceeded, there is a high possibility that the opening area of the through hole needs to be increased.
  • the diameter of the thermally expandable sleeve 20 substantially matches the diameter of the through hole 6.
  • the size of the heat-expandable sleeve 20 in the longitudinal direction is not particularly limited as long as it provides the fire prevention structure of the present invention, but is usually about 50% or more of the entire length of the through hole 6 (that is, the thickness of the partition wall 1). , Preferably about 60% or more, about 70% or more, about 80% or more, about 90% or more, or about 100% (substantially the same as the entire length of the through hole 6).
  • the thermally expandable sleeve 20 may be any material that can be expanded by heating to form a refractory heat insulating layer, and has a volume expansion coefficient of 1.1 to 100 after being heated for 30 minutes under a heating condition of 50 kW / m 2. Those that are doubled can be suitably used, and such thermally expandable materials are known.
  • Specific examples of the heat-expandable sleeve 20 include, for example, Sekisui Chemical Co., Ltd. Fibrok (registered trademark).
  • the thermally expandable sleeve 20 is expanded by the heat regardless of which side of the fire prevention sections A and B is expanded, and the void in the through hole 6 can be closed, thereby preventing the flame from entering the adjacent sections.
  • the required fire prevention and / or fire resistance performance can be ensured.
  • At least one surface of the heat-expandable sleeve 20, that is, the surface surrounding the long object (for example, the pipe 10 and the cable 16) is non-adhesive, and the heat-expandable sleeve 20 is separated from the long object and non-adhesive. Is in a state.
  • the thermally expandable sleeve 20 When the thermally expandable sleeve 20 itself has adhesiveness, the surface surrounding the long object is provided with a release substrate, but the surface to be brought into contact with the peripheral surfaces 3a and 4a defining the through hole 6 is its adhesive surface.
  • the sleeve 20 can be directly bonded and fixed to the peripheral surfaces 3a and 4a defining the through holes 6 in the gypsum boards 3 and 4.
  • a release substrate is provided on the adhesive surface of the thermally expandable sleeve 20, and the thermally expandable sleeve 20 is inserted into the through hole 6 with the refrigerant pipe 12, the AC drain pipe 14, and the cable 16 inserted through the through hole. If the release base material is peeled before being slid and disposed, the thermal expansion sleeve 20 can be easily disposed.
  • the sleeve 20 is attached to the peripheral surfaces 3a and 4a defining the through holes 6 in the gypsum boards 3 and 4 by using an adhesive means such as an adhesive, an adhesive, and an adhesive tape such as an aluminum glass cloth (ALGC) tape. It may be bonded and fixed. Even when the heat-expandable sleeve 20 is not sticky or has low stickiness, the sleeve 20 is adhered and fixed to the peripheral surfaces 3a and 4a defining the through holes 6 in the gypsum boards 3 and 4 using such sticking means. it can. After the sleeve 20 is adhered by the adhesive means, the adhesive means may be further bound and fixed with a string-like member 32 such as a vinyl tie in which a wire is covered with a resin such as polyvinyl chloride or PET.
  • a string-like member 32 such as a vinyl tie in which a wire is covered with a resin such as polyvinyl chloride or PET.
  • a non-flammable member 30 made of a non-flammable material for enhancing fire resistance is disposed between the sleeve 20 and the peripheral surfaces 3a and 4a defining the through hole 6.
  • an incombustible member 30 in particular, when the aluminum glass cloth tape which is also the above-mentioned adhesive means is integrally laminated on the surface of the thermally expandable sleeve 20, due to the heat reflection effect of the aluminum glass cloth layer, The effect of heat insulation and flame insulation can be further enhanced.
  • an aluminum glass cloth layer is wound around the outer surface of the thermally expandable sleeve 20 and adhered to the peripheral surfaces 3a and 4a that define the through holes 6 in the aluminum glass cloth layer and the gypsum boards 3 and 4.
  • the thermally expandable sleeve 20 was fixed onto the peripheral surfaces 3a and 4a in the event of a fire. As it is, the inside of the through hole 6 expands to fill the gap in the through hole 6. Thus, excellent fire resistance can be obtained.
  • FIG. 2 four plate-like thermally expandable long members 24 are further arranged in the through hole 6 so as to partition the four pipes 10 respectively.
  • “long” means that the length in the vertical direction is larger than the length in the horizontal direction.
  • the thickness of the heat-expandable long member 24 is not particularly limited as long as it is a dimension that can be inserted into the gap in the through hole 6, but is preferably 0.3 to 6 mm.
  • the width of the heat-expandable long member 24 is smaller than the diameter of the through hole 6, but is not particularly limited as long as it can be inserted into the gap in the through hole 6.
  • the four long members 24 are not limited. Is approximately the same as the radius of the through hole 6.
  • the length in the longitudinal direction of the heat-expandable long member 24 is not particularly limited as long as it provides a fireproof structure within the spirit of the present invention, but is usually about 10% or more of the entire length of the through-hole 6 (that is, the thickness of the partition wall 1). 200% or less, preferably about 30% to 200%, about 40% to 200%, about 50% to 200%, about 60% to 200%, about 70% to 200%, about 80% % Or more and 200% or less, about 90% or more and 200% or less, or about 100% (substantially the same as the entire length of the through hole 6) or more and 200% or less.
  • the length of the member 24 is determined by this trade-off.
  • the thermally expandable long member 24 is disposed in the through hole 6 in a state where the longitudinal axis of the thermally expandable long member 24 is substantially parallel to the central axis of the through hole 6.
  • the thermally expandable long member 24 has an L-shaped cross section by combining the end portions 24a on the center side of the through-hole 6 of the two thermally expandable long members 24. The strength of the heat-expandable long member 24 is increased, and the insertion of the heat-expandable long member 24 into the gap in the through hole 6 is promoted.
  • the heat-expandable long member 24 may be any material that can be expanded by heating to form a refractory heat-insulating layer, and the volume expansion coefficient after heating for 30 minutes under a heating condition of 50 kW / m 2 is 1.1. Those having a magnification of ⁇ 100 can be suitably used, and such a heat-expandable material is known.
  • the thermally expandable elongate member 24 may be formed from the same material as the thermally expandable sleeve 20, or may be formed from a different material.
  • the heat-expandable long member 24 is made of a heat-expandable resin composition containing a resin (particularly an epoxy resin) as a resin component and containing a phosphorus compound, heat-expandable graphite, an inorganic filler, and the like.
  • the heat-expandable long member 24 is non-adhesive and is suitable for insertion of the heat-expandable long member 24 into the gap in the through hole 6.
  • annular holding frame 28 for concealing (shielding) the fire prevention structure in the through hole 6 from the outside is provided on the fire prevention section A side from the through hole 6. It is attached around the through hole 6 in the partition wall 3 in the extended state.
  • annular holding frame 28 is known.
  • the refrigerant pipe 12, the AC drain pipe 14, and the cable 16 are collectively surrounded by the thermally expandable sleeve 20.
  • the refrigerant pipe 12, the AC drain pipe 14, and the cable 16 are inserted into the through hole 6 from the fire prevention section A side.
  • the thermally expandable sleeve 20 is disposed in the through hole 6 so as to conform to the shape of the peripheral surfaces 3a and 4a of the partition walls 3 and 4 that form the through hole 6 from the fire prevention section A side.
  • a thermally expandable long member 24 is disposed between the refrigerant pipe 12 and the AC drain pipe 14 in the through hole 6 from the fire prevention section A side.
  • an annular holding frame 28 is attached around the through hole 6 in the partition wall 3 so that the fire prevention structure in the through hole 6 cannot be seen from the outside from the side of the fire prevention section A.
  • the fire prevention structure can be formed quickly and easily from only the fire prevention section A on one side using the thermally expandable sleeve 20 and the thermally expandable long member 24.
  • the thermally expandable sleeve 20 and the thermally expandable long member 24 are expanded by the heat of the fire and can close the gap in the through hole 6.
  • sufficient fire prevention and / or fire resistance can be ensured.
  • the shape of the through hole 6 is not limited to a circular cross section, and may be another shape such as a substantially rectangular cross section. Even in this case, the thermally expandable sleeve 20 can be configured to collectively enclose a plurality of long objects and to conform to the shapes of the peripheral surfaces 3a and 4a of the partition walls 3 and 4 that define and form the through holes 6. is there. Moreover, as shown in FIG. 4, the through-hole 6 has a substantially rectangular cross section, and a plurality of thermally expandable sleeves 20 may be mounted therein.
  • an arbitrary fire prevention such as the thermally expandable sleeve 20, the thermally expandable long member 24, the putty-like thermally expandable filler, and rock wool is provided. Material can be filled.
  • the thermally expandable sleeve 20 may include a plurality of substantially parallel slits 34 for facilitating adaptation to the shape of the wall defining the through hole 6.
  • the thermally expandable sleeve 20 is disposed in the circular through hole 6, the thermally expandable sleeve 20 is disposed such that the extending direction of the slit 34 is substantially parallel to the central axis of the through hole 6.
  • the corners of the thermally expandable sleeve 20 may be rounded to make it difficult to damage the member to be coated.
  • the thermally expandable sleeve 20 may be provided with means for improving the visibility of the thermally expandable sleeve 20.
  • a reflective or fluorescent tape 36 is affixed to one end of the thermally expandable sleeve 20, in particular, to the end of the fire prevention section A (attachment side).
  • the reflective or fluorescent tape 36 may be any color such as red or yellow.
  • dye 38 is contained in the edge part of the fire prevention division A (attachment side) of the thermally expansible sleeve 20.
  • the operator can easily confirm the position of the thermally expandable sleeve 20 even in a dark place.
  • the plurality of long objects are not limited to the refrigerant pipe 12, the AC drain pipe 14, and the cable 16, but may be any other long objects that can be inserted into the partition through portion.
  • the number of some elongate objects is not limited to the thing of the said embodiment.
  • the types and number of the pipes 10 and the cables 16 may be changed.
  • the heat-expandable long member 24 is a plate-like member, but may be any other member extending in the longitudinal direction, such as a rod-like member or a member having an uneven surface.
  • the number of the heat-expandable long members 24 may not be the same as the total number of the pipes 10.
  • the plurality of long objects include N pipes, and the number of the thermally expandable long members 24 may be 1 or more and N or less (N is an integer of 2 or more), and the thermally expandable long members. There may be more than 24 members 24.
  • One set or a plurality of the thermally expandable long members 24 are arranged so as to be arranged in a substantially straight line so that two of them are paired and the ends of the diameter or cross section of the through hole 6 are paired. A set may be used.
  • each pipe 10 is not necessarily partitioned by the thermally expandable long member 24 on both sides, and may be only on one side of a certain pipe 10.
  • the thermally expandable long member 24 may be disposed in a gap in the through hole 6 that is away from the pipe 10.
  • a plurality of short heat expandable long members 24 may be arranged on a straight line substantially parallel to the central axis of the through hole 6.
  • each heat-expandable elongate member 24 may be independent. Alternatively, three or more thermally expandable long members 24 may be connected.
  • the angle formed by two heat-expandable elongate members 24 is not particularly limited regardless of whether they are joined or not, but is preferable. In one example, the angle formed by two heat-expandable long members 24 is 90 ° or more. In another example, two heat-expandable elongate members 24 are joined, and the angle formed by them is 90 ° or more.
  • a means for improving the visibility of the heat-expandable long member 24 may be applied to a part or all of the heat-expandable long member 24.
  • a reflective or fluorescent tape 40 is affixed to one end of the thermally expandable long member 24, particularly to the end of the fire prevention section A (attachment side).
  • the reflective or fluorescent tape 40 may be any color such as red or yellow.
  • dye 42 is contained in the edge part of the fire prevention division A (attachment side) of the thermally expansible elongate member 24.
  • the operator can easily confirm the position of the sleeve 20 even in a dark place.
  • the heat-expandable long member 24 is a non-expandable material made of a non-combustible material made of a thermoplastic resin, a thermosetting resin, an elastomer, rubber, glass, metal, or a combination thereof that does not expand due to heat in a fire.
  • the core material may be provided.
  • the heat-expandable long member 24 is obtained by sandwiching a core material 24c made of an aluminum glass cloth as a base material between a first thermoplastic resin 24a and a second thermoplastic resin 24b. It is configured.
  • the core material 24c in the heat-expandable long member 24 is not limited, but particularly when the thermoplastic resins 24a and 24b are present on both sides of the core material 24c as shown in FIG. Since the scale member 24 can expand in both the left and right directions in the drawing, it is possible to efficiently fill the gap between the pipes.
  • the core member 24c may be disposed on one side surface of the thermally expandable long member 24, and the core members 24c of the two thermally expandable long members 24 may be attached together and expanded in both the left and right directions.
  • the core member 24c may be disposed on one side surface of the thermally expandable long member 24 and adjusted so that the thermally expandable long member 24 expands in one direction to the left or right.
  • the heat-expandable long member 24 may be formed in a wave shape as shown in FIG.
  • a key-like hook portion 24 c may be provided at the longitudinal end portion of the thermally expandable long member 24 so as to facilitate fixing to the thermally expandable sleeve 20.
  • the hook portion 24 c is integrally formed from the same material as the thermally expandable long member 24.
  • the hook 24c may be an L-shaped end as shown in FIG. 9A or a U-shaped end as shown in FIG. 9B.
  • FIG. 9C is a schematic view showing a state in which the thermally expandable long member 24 is hooked on the sleeve.
  • members other than the thermally expandable long member 24 in the thermally expandable sleeve 20 are shown. Omitted.
  • the heat-expandable long member 24 in the through hole 6 is engaged with the heat-expandable sleeve 20 at one end of the heat-expandable long member 24 by the hook portion 24c, particularly at the end of the fire protection section A (attachment side). .
  • installation in the through-hole 6 of the thermally expansible elongate member 24 becomes easy.
  • the reflection or fluorescent tape 40 as shown in FIG. 7A or the dye 42 as shown in FIG. 7B is provided on the hook 24c, the position of the hook 24c can be easily confirmed. .
  • the thermally expandable long member 24 is attached to a support that is harder than the thermally expandable long member 24 and is integrated with the support so as to facilitate insertion into the gap in the through hole 6.
  • the long member 24 may be inserted into the gap in the through hole 6.
  • the clay-like thermally expandable filler is not present inside the through-hole 6, but the clay-like thermally expandable filler is penetrated in the fire prevention structure of the partition penetration portion of the present invention. It may be additionally used for the void in the hole 6, and such an embodiment is also within the scope of the present invention.
  • the thermally expandable sleeve 20 may be first disposed in the through hole 6, and then a plurality of long objects may be disposed in the thermally expandable sleeve 20.
  • the expandable long member 24 may be disposed in the thermally expandable sleeve 20 in any order before, simultaneously with, and after the plurality of long objects.
  • a plurality of long objects and the expandable long member 24 may be bundled together by a bundling member prior to disposition in the thermally expandable sleeve 20.
  • a plurality of long objects, the thermally expandable sleeve 20 and the expandable long member 24 are applied from the side of the fire prevention zone B or from both the fire prevention zone A and the fire prevention zone B when being applied to the through hole 6. Also good.
  • the annular holding frame 28 may be provided in the fire prevention sections A and B on both sides, or another fireproof and / or fireproof shielding member may be used or may be omitted.
  • the annular holding frame 28 may be filled with a clay-like or putty-like thermally expandable filler.
  • the partition wall 1 is not limited to a hollow wall composed of steel studs 2 and gypsum boards 3 and 4, but any other wall such as a lightweight cellular concrete (ALC) board or a wall faithfully formed of mortar, It may be a floor or a board.
  • FIG. 10 is a view in which the fireproof structure of the present invention is provided in the through hole 6 of the floor 7.
  • the refrigerant pipe 12, the AC drain pipe 14, and the cable 16 are collectively surrounded by a heat-expandable sleeve 20.
  • a decorative tape 44 such as a polyurethane foam tape may be provided at a position near the through hole 6 so as to come into contact with the floor 7.
  • Example I Specimen condition As a partition wall, two sets of two plaster boards (Yoshino gypsum made: GB-R, 12.5 mm thick) are used to make steel studs (Kieri Seisakusho: SQ-Bar 4025, 40 ⁇ 25) and a steel runner (Kieri Seisakusho: SQ runner 25) were used to create a frame, which was fastened to both sides of the steel stud with screws, and a hollow wall having a wall thickness of 75 mm was used.
  • the diameters of the through holes are 185 mm, 163 mm, 138 mm, 113 mm, 78 mm, 78 mm, 78 mm, 78 mm (Example 1 and Comparative Example 1, Example 2 and Comparative Example 2, Example 3 and Comparative Example 3, Example respectively) 4 and Comparative Example 4, Example 5 and Comparative Example 5, Example 6 and Comparative Example 6, Comparative Example 7 and Comparative Example 8 were used.
  • copper tube with heat insulating material manufactured by Inaba Denki Sangyo Co., Ltd.
  • AC drain pipe manufactured by Sekisui Chemical Co., Ltd.
  • cable West Japan Electric Cable
  • Example 6 the same opening diameter of the through hole, the thermally expandable sleeve, and the thermally expandable long member as in Example 5 were used. Were arranged on a straight line corresponding to the diameter of the through-hole so as to cross.
  • the number and dimensions of the thermally expandable long members are 4 thermal expandable long members having a size of 92.5 mm ⁇ 121 mm in Example 1 and 81.5 mm ⁇ 121 mm in Example 2.
  • Example 3 four heat-expandable long members having dimensions of 69 mm ⁇ 121 mm were used, and in Example 4, four heat-expandable long members having dimensions of 56.5 mm ⁇ 121 mm were prepared. Used four heat-expandable long members having dimensions of 39 mm ⁇ 121 mm, and Example 6 used two heat-expandable long members having dimensions of 39 mm ⁇ 121 mm.
  • Comparative Example 6 a steel sleeve (steel sleeve EZS, manufactured by Inaba Denki Sangyo Co., Ltd.) and a clay filler (Sekisui Proselect Putty, product number NCJM003, manufactured by Sekisui Chemical Co., Ltd.) were used. When the clay-like filler was filled in the entire through-hole, it was completed.
  • Fiblock epoxy Fiblock, manufactured by Sekisui Chemical Co., Ltd.
  • the thermally expandable long members 4 pieces, size 47.5 mm ⁇ 185 mm, end L-shaped
  • Fiblock epoxy Fiblock, manufactured by Sekisui Chemical Co., Ltd.
  • elastic projections of polyurethane foam were provided.
  • Example II (1) Specimen condition It was the same as Example I. (2) Configurations of Examples 1 to 3 and Comparative Examples 1 to 3
  • fiblock epoxy fiblock, manufactured by Sekisui Chemical Co., Ltd.
  • a thermally expandable long member (4, dimensions 92.5 mm x 121 mm, L-shaped end, each arranged between pipes)
  • Fiblock epoxy fiblock, manufactured by Sekisui Chemical Co., Ltd.
  • aluminum tape as cover material was wound around the circumference of the pipe so that the penetrating part could not be seen directly, and pasted around the sleeve.
  • the epoxy-based fiblock of Example 1 is produced by producing a molded sheet by sandwiching a graphite-containing epoxy resin between an aluminum glass cloth substrate and a nonwoven fabric, and cutting the molded sheet into a predetermined size.
  • a foamed polyethylene tape (Softlon tape, manufactured by Sekisui Chemical Co., Ltd.) was used and attached to a sleeve around the through-hole as a decorative tape for the penetration treatment.
  • Example 2 a steel sleeve (steel sleeve EZS, manufactured by Inaba Denki Sangyo Co., Ltd.) and the same thermally expandable long member (four, dimensions 81.5 mm ⁇ 121 mm, end L-shaped) The same decorative tape as in Example 1 was used.
  • steel sleeve EZS manufactured by Inaba Denki Sangyo Co., Ltd.
  • thermally expandable long member four, dimensions 81.5 mm ⁇ 121 mm, end L-shaped
  • Example 3 the same thermally expandable sleeve and the thermally expandable long member as in Example 1 were used in the same number and size, but the thermally expandable long member made of an epoxy-based fiblock has two thermal expandable members.
  • a pair of long aluminum glass cloth base materials were prepared, and the base material surfaces were made to face each other, and the base material surfaces were used facing each other.
  • the same decorative tape as in Example 1 was used.
  • Comparative Example 1 a steel sleeve (steel sleeve EZS, manufactured by Inaba Denki Sangyo Co., Ltd.) and a fireproof putty (Sekisui Fireproof Putty, product number NCJM001, manufactured by Sekisui Chemical Co., Ltd.) were used. No decorative tape was used. When the refractory putty was filled in the entire through hole, it was completed.
  • the base material on both sides is a non-woven fiblock (epoxy fiblock, manufactured by Sekisui Chemical Co., Ltd.) and a foamed polyethylene tape (softlon tape, manufactured by Sekisui Chemical Co., Ltd.) at the end in advance. ) And a fire-resistant putty (Sekisui fire-resistant putty, product number NCJM001, manufactured by Sekisui Chemical Co., Ltd.). No cover material was used.
  • Comparative Example 3 the aluminum glass cloth base material is not bonded as a thermally expandable sleeve and a thermally expandable long member (8, 4 from one side, 4 from the other side to the through hole).
  • a fiblock of Comparative Example 2 epoxy fiblock, manufactured by Sekisui Chemical Co., Ltd.
  • one elastomer layer was applied to the outer periphery of the eight thermally expandable long members to obtain a molded article having an elliptical cross section. No cover material was used.
  • SYMBOLS 1 Partition wall, 3a, 4a ... Peripheral surface, 6 ... Through-hole, 10 ... Pipe as long thing, 16 ... Cable as several piping, 20 ... Heat Expansion sleeve, 24... Thermally expandable long member, 30... Nonflammable member, A, B.

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Abstract

La présente invention vise à obtenir une structure ignifuge, qui comprend une section de pénétration de compartiment et qui est simple et efficace sans utiliser de charge. Dans la présente invention, un élément allongé thermiquement expansif (24), qui peut être installé dans un trou traversant (6) pour disposer une pluralité d'objets allongés (10) et qui est situé dans un compartiment ignifuge (A, B) comprenant des cloisons (1), est configuré de telle sorte que l'arbre de direction longitudinale de l'élément allongé thermiquement expansif (24) est disposé entre un objet allongé (10) et un objet allongé (10) dans le trou traversant (6) dans l'état approximativement parallèle à l'axe central du trou traversant (6).
PCT/JP2014/074939 2013-09-19 2014-09-19 Élément allongé thermiquement expansif pouvant être disposé dans un trou traversant d'un compartiment ignifuge, procédé pour produire une structure ignifuge d'une section de pénétration de compartiment, et structure ignifuge d'une section de pénétration de compartiment WO2015041345A1 (fr)

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Cited By (11)

* Cited by examiner, † Cited by third party
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CN105805426A (zh) * 2016-03-30 2016-07-27 上海火克新材料有限公司 管路贯穿装置
JP2017066851A (ja) * 2015-10-01 2017-04-06 積水化学工業株式会社 中空構造の区画体における貫通部の防火構造
JP2017108876A (ja) * 2015-12-16 2017-06-22 因幡電機産業株式会社 耐火材シート、建物防火区画の貫通構造、耐火材の施工方法
JP2018076913A (ja) * 2016-11-09 2018-05-17 積水化学工業株式会社 熱膨張性耐火材及び熱膨張性耐火材の施工の検査方法
JP2018165573A (ja) * 2018-06-05 2018-10-25 積水化学工業株式会社 被覆材、配管、及び耐火構造
JP2019056403A (ja) * 2017-09-20 2019-04-11 未来工業株式会社 防火区画壁の貫通構造
JP2020191694A (ja) * 2019-05-17 2020-11-26 積水化学工業株式会社 区画貫通構造、その施工方法、及び区画貫通構造キット
JP2021139407A (ja) * 2020-03-03 2021-09-16 因幡電機産業株式会社 耐火区画構造、耐火区画構造の構築方法
JP2022031496A (ja) * 2020-03-03 2022-02-18 因幡電機産業株式会社 耐火区画構造、耐火区画構造の構築方法
JP2022082543A (ja) * 2020-03-03 2022-06-02 因幡電機産業株式会社 耐火区画構造、耐火区画構造の構築方法
CN116386948A (zh) * 2023-04-10 2023-07-04 河南庆州电缆有限公司 一种散热效率高的复合电缆

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DE10227098A1 (de) * 2002-06-18 2004-01-08 Schulte, Günter Einrichtung für die feuer- und/oder rauchsichere Durchführung insbesondere von Kabeln
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JP2007205478A (ja) * 2006-02-02 2007-08-16 Inaba Denki Sangyo Co Ltd 充填材支持具及び補助支持金具連結体

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JP4533006B2 (ja) * 2004-06-08 2010-08-25 積水化学工業株式会社 防火区画貫通部構造、及び防火区画貫通部の施工方法
JP6068093B2 (ja) * 2012-10-24 2017-01-25 未来工業株式会社 貫通部の耐火構造

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JPS5722772A (en) * 1980-05-29 1982-02-05 Minnesota Mining & Mfg Fireproof fence device and expanding composite material
DE10227098A1 (de) * 2002-06-18 2004-01-08 Schulte, Günter Einrichtung für die feuer- und/oder rauchsichere Durchführung insbesondere von Kabeln
JP2007522416A (ja) * 2004-02-13 2007-08-09 ビール エンジニアリング ビー．ブイ． ケーブル、パイプまたはチューブ等の少なくとも１つの輸送装置が挿通された、壁中の開口部を封止するためのシステムおよび方法
JP2007205478A (ja) * 2006-02-02 2007-08-16 Inaba Denki Sangyo Co Ltd 充填材支持具及び補助支持金具連結体

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017066851A (ja) * 2015-10-01 2017-04-06 積水化学工業株式会社 中空構造の区画体における貫通部の防火構造
JP2017108876A (ja) * 2015-12-16 2017-06-22 因幡電機産業株式会社 耐火材シート、建物防火区画の貫通構造、耐火材の施工方法
CN105805426A (zh) * 2016-03-30 2016-07-27 上海火克新材料有限公司 管路贯穿装置
CN105805426B (zh) * 2016-03-30 2017-10-27 上海火克新材料有限公司 管路贯穿装置
JP2018076913A (ja) * 2016-11-09 2018-05-17 積水化学工業株式会社 熱膨張性耐火材及び熱膨張性耐火材の施工の検査方法
JP2019056403A (ja) * 2017-09-20 2019-04-11 未来工業株式会社 防火区画壁の貫通構造
JP2018165573A (ja) * 2018-06-05 2018-10-25 積水化学工業株式会社 被覆材、配管、及び耐火構造
JP2020191694A (ja) * 2019-05-17 2020-11-26 積水化学工業株式会社 区画貫通構造、その施工方法、及び区画貫通構造キット
JP2021139407A (ja) * 2020-03-03 2021-09-16 因幡電機産業株式会社 耐火区画構造、耐火区画構造の構築方法
JP2022031496A (ja) * 2020-03-03 2022-02-18 因幡電機産業株式会社 耐火区画構造、耐火区画構造の構築方法
JP7030148B2 (ja) 2020-03-03 2022-03-04 因幡電機産業株式会社 耐火区画構造、耐火区画構造の構築方法
JP7034369B2 (ja) 2020-03-03 2022-03-11 因幡電機産業株式会社 耐火区画構造、耐火区画構造の構築方法
JP2022082543A (ja) * 2020-03-03 2022-06-02 因幡電機産業株式会社 耐火区画構造、耐火区画構造の構築方法
JP7270086B2 (ja) 2020-03-03 2023-05-09 因幡電機産業株式会社 耐火区画構造、耐火区画構造の構築方法
CN116386948A (zh) * 2023-04-10 2023-07-04 河南庆州电缆有限公司 一种散热效率高的复合电缆
CN116386948B (zh) * 2023-04-10 2024-02-06 河南庆州电缆有限公司 一种散热效率高的复合电缆

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