Fire resistant tunnel expansion joint systems
First Claim
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1. A fire resistant tunnel expansion joint system, comprising:
- a fire protection barrier applied at a predetermined thickness to substrates of a tunnel; and
a fire resistant tunnel expansion joint including;
a core; and
a fire retardant infused into the core, the core configured to facilitate compression of the tunnel expansion joint between the substrates, and the fire retardant infused core compressed has a density of about 160 kg/m3 to about 800 kg/m3;
wherein the fire protection barrier and the fire resistant tunnel expansion joint are capable of keeping an interface between the tunnel expansion joint system and the substrates below about 380°
C. when subjected to fire exposure of about 1100°
C. after about five minutes and for a duration of about two hours.
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Abstract
A fire resistant tunnel expansion joint system for installation between substrates of a tunnel. The system includes a fire protection barrier applied at a predetermined thickness to the substrates and a fire resistant tunnel expansion joint. The tunnel expansion joint includes a core and a fire retardant infused into the core. The core is configured to define a profile to facilitate the compression of the tunnel expansion joint when installed between the substrates. The fire protection barrier and the fire resistant tunnel expansion joint are each capable of withstanding exposure to a temperature of at least about 540° C. or greater for about five minutes.
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Citations
33 Claims
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1. A fire resistant tunnel expansion joint system, comprising:
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a fire protection barrier applied at a predetermined thickness to substrates of a tunnel; and a fire resistant tunnel expansion joint including; a core; and a fire retardant infused into the core, the core configured to facilitate compression of the tunnel expansion joint between the substrates, and the fire retardant infused core compressed has a density of about 160 kg/m3 to about 800 kg/m3; wherein the fire protection barrier and the fire resistant tunnel expansion joint are capable of keeping an interface between the tunnel expansion joint system and the substrates below about 380°
C. when subjected to fire exposure of about 1100°
C. after about five minutes and for a duration of about two hours. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A fire resistant tunnel expansion joint system, comprising:
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a fire protection barrier applied at a predetermined thickness to substrates of a tunnel; and a fire resistant tunnel expansion joint including; a core; and
a fire retardant infused into the core, the core configured to facilitate compression of the fire resistant tunnel expansion joint between the substrates, and the fire retardant infused core compressed has a density of about 160 kg/m3 to about 800 kg/m3; andwherein the fire protection barrier and the fire resistant tunnel expansion joint are capable of withstanding exposure to a temperature of about 540°
C. at about five minutes.
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21. A fire resistant tunnel expansion joint system, comprising:
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a core; and a fire retardant infused into the core, the core configured to facilitate compression of the fire resistant tunnel expansion joint system between tunnel substrates, and the fire retardant infused core compressed has a density of about 160 kg/m3 to about 800 kg/m3; and wherein the fire resistant tunnel expansion joint system is capable of withstanding exposure to a temperature of about 540°
C. at about five minutes, and the fire resistant tunnel expansion joint system is configured to transition in at least one of;
curved sections, straight sections, coiled sections and angled sections. - View Dependent Claims (22)
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23. A fire resistant bridge expansion joint system, comprising:
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a fire protection barrier applied at a predetermined thickness to substrates of a bridge; and a fire resistant bridge expansion joint including; a core; and a fire retardant infused into the core, the core configured to facilitate compression of the bridge expansion joint between the substrates, and the fire retardant infused core compressed has a density of about 160 kg/m3 to about 800 kg/m3; wherein the fire protection barrier and the fire resistant bridge expansion joint are capable of keeping an interface between the bridge expansion joint system and the substrates below about 380°
C. when subjected to fire exposure of about 1100°
C. after about five minutes and for a duration of about two hours. - View Dependent Claims (24, 25, 26, 27, 28, 29)
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30. A fire resistant bridge expansion joint system, comprising:
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a fire protection barrier applied at a predetermined thickness to substrates of a bridge; and a fire resistant bridge expansion joint including; a core; and
a fire retardant infused into the core, the core configured to facilitate compression of the fire resistant bridge expansion joint between the substrates, and the fire retardant infused core compressed has a density of about 160 kg/m3 to about 800 kg/m3; andwherein the fire protection barrier and the fire resistant bridge expansion joint are capable of withstanding exposure to a temperature of about 540°
C. at about five minutes. - View Dependent Claims (31)
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32. A fire resistant bridge expansion joint system, comprising:
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a core; and a fire retardant infused into the core, the core configured to facilitate compression of the fire resistant bridge expansion joint system between bridge substrates, and the fire retardant infused core compressed has a density of about 160 kg/m3 to about 800 kg/m3; and wherein the fire resistant bridge expansion joint system is capable of withstanding exposure to a temperature of about 540°
C. at about five minutes, and the fire resistant bridge expansion joint system is configured to transition in at least one of;
curved sections, straight sections, coiled sections and angled sections. - View Dependent Claims (33)
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Specification