JP3724866B2 - Building construction materials and water leakage prevention methods - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a building construction material for reinforcing concrete or cement mortar and a water leakage prevention method capable of preventing water leakage from a wall surface of a tunnel.
[0002]
[Prior art]
Leakage in the tunnel causes water to fall on the road surface due to drops of water from the ceiling and water outflow from the wall surface, which may cause a car slip accident or constitute a tunnel. It causes various problems such as weakening the strength of concrete. For this reason, it is important to prevent water leakage in the tunnel.
Conventionally, water leakage in tunnels has been prevented by spraying or applying cement mortar to the location where the rock leaks when building a tunnel, or by using pipe mortar for parts where there is a lot of water leakage. It was performed by using and embedding treatment.
[0003]
[Problems to be solved by the invention]
However, in the former treatment, water leakage cannot be stopped completely, and in the latter treatment, there is a disadvantage that it takes much time and workability at the time of enforcement is poor.
The present invention provides a building construction material for reinforcing concrete or cement mortar that can be easily attached and can prevent water leakage, and a tunnel water leakage prevention method using the building construction material. Objective.
[0004]
As a result of intensive studies to solve the above-mentioned problems, the present inventor has filled the glass fiber with a thermosetting resin of vinyl ester resin, and the glass fiber is bound with the thermosetting resin of vinyl ester resin. A glass fiber reinforced thermosetting resin grid in which glass fiber bundles that are intersecting each other form a lattice is attached with a band-shaped water guide material at a predetermined interval, and the water guide material is a polyethylene fiber. is selected from polypropylene fibers and polyester fibers, Ri Do from penetration hard fibrous material uncured concrete or cement mortar, when the belt-like water guide member to bind the glass fibers with a thermosetting resin of a vinyl ester resin Before the thermosetting resin of the vinyl ester resin is cured, the band-shaped water conducting material is placed on the glass fiber reinforced thermosetting resin grid at predetermined intervals and pressed to strengthen the glass fiber. By using the building for construction materials which are secured to the curable resin grating, found that it is possible to solve the above problems, and have completed the present invention based on the findings.
That is, in the present invention, glass fibers are filled with a thermosetting resin of vinyl ester resin, and glass fiber bundles in which the glass fibers are bound by a thermosetting resin of vinyl ester resin intersect with each other to form a lattice. Glass fiber reinforced thermosetting resin grid and strip-shaped water guide material attached to the grid at a predetermined interval, and the water guide material is selected from polyethylene fiber, polypropylene fiber and polyester fiber, uncured Do the concrete or cement mortar penetration hard fibrous material Ri, when the belt-like water guide member to bind the glass fibers with a thermosetting resin of a vinyl ester resin, thermosetting resin vinyl ester resin is cured Before, put the band-shaped water conducting material on the glass fiber reinforced thermosetting resin grid at a predetermined interval and press to fix it to the glass fiber reinforced thermosetting resin grid It is intended to provide an architecture for building materials for reinforcing the concrete or cement mortar, characterized in that there.
In addition, the present invention is arranged such that the building construction material is arranged on the inner surface of the tunnel so that the strip-shaped water guide material discharges water from the tunnel ceiling to the lower side of the tunnel, and then this material is coated with uncured concrete or cement mortar. It is intended to provide a method for preventing leakage of a tunnel, which is characterized by being cured.
Hereinafter, the present invention will be described in detail.
[0005]
Glass fiber reinforced thermosetting resin grating used in the present invention, which glass fiber bundles glass fibers are bundled in a thermosetting resin of a vinyl ester resin forms a grid intersect each other There is .
Each glass fibers constituting the glass fiber bundle is suitable to be a continuous glass filament, if it is possible to form the glass fiber bundles intertwined glass fibers may be short glass fibers. Moreover, it is preferable that each glass fiber is aligned.
Moreover, the fiber diameter of each glass fiber is not particularly limited, but the average fiber diameter is usually 0.1 to 50 μm, and preferably 5 to 25 μm.
The number of monofilaments contained in the glass fiber bundle is not particularly limited, but is usually in the range of 50 to 24,000, and preferably in the range of 200 to 8,000.
[0006]
Glass fiber is not preferable in terms of performance and price.
[0007]
Resin you tying each glass fibers resistant to alkali, it can be easily cured, since further moldability is good, a thermosetting resin of a vinyl ester resin.
[0008]
Thermosetting resin vinyl ester resin, before the thermosetting resin is cured, the belt-like water guide member at a predetermined interval placed on a glass fiber reinforced thermosetting resin grating, by pushing a suitable pressure The band-shaped water guiding material can be fixed to the lattice without using an adhesive. In particular, a thermosetting resin of vinyl ester resin that cures at room temperature is preferable because of its good fixing workability.
Further, the content of the thermosetting resin of the vinyl ester resin contained in the glass fiber bundle is not particularly limited, but may be usually in the range of 40 to 70% by volume, preferably in the range of 50 to 60% by volume. is there.
The average fiber bundle diameter of each glass fiber bundle is not particularly limited, but is usually in the range of 1 to 10 mm, and preferably in the range of 2 to 5 mm.
[0009]
In the building construction material of the present invention, the glass fiber group in which the structure of the intersection of the lattice formed by the glass fiber bundles crossing each other extends in one direction and the glass fiber group extending in the other direction. The cross-sectional shape is preferably laminated in three or more layers. If it becomes the structure of this intersection part, the vertical component and horizontal component of a lattice will become a shape without a level | step difference, and the thickness of concrete or cement mortar can be made uniform.
The interval between the glass fiber bundles constituting the glass fiber reinforced thermosetting resin grid is not particularly limited, and may be appropriately selected according to conditions such as the amount of water leakage, but is usually arranged with an interval of 5 to 20 cm. What is necessary is just to leave the space | interval of 10-15 cm preferably. Further, the intervals between the glass fiber bundles do not need to be constant and may be selected as appropriate.
[0010]
In the building construction material of the present invention, a belt-shaped water guide material is attached to a glass fiber reinforced thermosetting resin grid at a predetermined interval.
Examples of the strip-shaped water conducting material include polyethylene, polypropylene, and polyester fibers, such as sheet-like, mat-like, and cloth-like ones made using non-woven fabric and fibers having voids inside, and uncured concrete. It is made of a fibrous material that is difficult to penetrate or cement mortar.
[0011]
The thickness of the band-shaped water guide material can be appropriately selected according to the thickness of concrete or cement mortar described later, but it is usually in the range of 2 to 20 mm, and preferably in the range of 2 to 5 mm.
Further, the width of the band-shaped water guide material is also not particularly limited and can be appropriately selected according to conditions such as the amount of water leakage, but is usually in the range of 5 to 30 cm, preferably in the range of 10 to 20 cm. is there.
Moreover, what is necessary is just to select the length of a water conveyance material suitably according to the place which introduces water.
[0012]
In addition, the attachment interval of the band-shaped water guide material is not particularly limited, and may be appropriately selected according to conditions such as the amount of water leakage. However, the interval is usually 20 to 100 cm, preferably 30 to 40 cm. You just need to leave a space. Moreover, the attachment interval of the strip-shaped water guide material does not need to be a constant interval, and may be appropriately selected.
In addition, in order to attach the belt-shaped water conducting material to the glass fiber reinforced thermosetting resin grid, there is a method of attaching the vinyl ester resin thermosetting resin contained in the glass fiber bundle as described above. Or you may attach with an adhesive.
[0013]
The pressure-sensitive adhesives and adhesives include natural rubber-based, styrene-butadiene rubber-based, isobutylene rubber-based, isoprene rubber-based, butyl rubber-based rubber-based pressure-sensitive adhesives and adhesives, acrylic-based pressure-sensitive adhesives and adhesives, and silicone-based pressure-sensitive adhesives. Adhesives and adhesives, styrene-isoprene block copolymer adhesives and adhesives, styrene-butadiene block copolymer adhesives and adhesives, styrene-ethylene-butylene block copolymer adhesives and adhesives, ethylene-vinyl acetate -Based adhesives and adhesives, polyester-based adhesives and adhesives, etc., but to withstand moisture and heat when curing concrete or fiber reinforced concrete, use waterproof butyl rubber adhesives and adhesives, for example Is preferred.
[0014]
Building Construction Materials for the present invention is to place the pre-glass fiber bundles in the glass fiber-reinforced thermosetting resin lattice form, prepared by further arranging the strip-like water guide member on the grid, leakage those resulting situ Although it may be transported and constructed, it may be arranged in a grid pattern and a band-shaped water conducting material when it is attached to a water leakage site to form the configuration of the present invention.
The building construction material of the present invention is a reinforcing member made of concrete or cement mortar.
As concrete and cement mortar which can be used here, various things used for building construction can be used.
The cement mortar in the present invention means a polymer mortar containing rubber or a synthetic resin as one component in addition to those using ordinary cement and sand. As the rubber, styrene butadiene rubber is particularly preferable.
[0015]
In the tunnel water leakage prevention method of the present invention, the building construction material is arranged on the inner surface of the tunnel so that the band-shaped water guide material discharges water from the tunnel ceiling to the lower side of the side wall. By doing in this way, the leak which arises in a wide range can be efficiently guide | induced to the side wall of a tunnel.
As a suitable example of the arrangement of the strip-shaped water guide material on the inner surface of the tunnel, for example, the vertical arrangement from the tunnel ceiling to the lower side of the side wall, the vertical direction from the tunnel ceiling to the lower side of the side wall has a predetermined angle. For example, an oblique arrangement may be mentioned.
The method of arranging the building construction material on the inner surface of the tunnel is not particularly limited. For example, the method of attaching the building construction material to the wall on the inner surface of the tunnel with an adhesive or adhesive, fixing such as adhesive tape or nails, staples and anchor bolts The method of attaching with tools is mentioned.
As this adhesive or pressure-sensitive adhesive , the same ones as those used when attaching the band-shaped water conducting material to the glass fiber reinforced thermosetting resin grid can be used.
[0016]
In the tunnel leakage prevention method of the present invention, after the building construction material is arranged on the inner surface of the tunnel, unhardened concrete or cement mortar is coated on the building construction material and cured.
The thickness of the concrete or cement mortar to be coated is not particularly limited, but is usually in the range of 1 to 30 cm, and preferably in the range of 1 to 5 cm.
The building construction material of the present invention can be used not only to prevent leakage of water in the tunnel, but also to prevent leakage of any part of the wall or ceiling of the underground structure.
[0017]
[Action]
Building Construction Materials for the construction of the present invention, the grating that forms a glass fiber reinforced thermosetting resin lattices, glass fibers each glass fibers are bundled in a thermosetting resin material of a vinyl ester resin Since it is a bundle and the water guide material attached to it is also strip-like, it is extremely lightweight and highly transportable. Moreover, since the excellent flexibility, is easy mounting work, familiar easy, workability during the construction stage is superior with respect to the unevenness of the leakage faces. Further, since a relatively thin, it is possible to construction stage cement mortar with a constant thickness.
With the building construction material of the present invention, water leakage generated around the building construction material soaks into the water guide material and is guided downward through the voids in the water guide material. Moreover, since the water guiding material is provided at a predetermined interval, the water can be guided to the lower portion collectively by a certain interval.
Concrete and cement mortar have a water-stopping property, and water leakage does not appear on the surface of cement mortar or the like, but is led to a water guide material arranged inside concrete or cement mortar or the like.
The building construction material of the present invention also acts as a reinforcing member for concrete or cement mortar and has corrosion resistance.
[0018]
【Example】
Next, the present invention will be specifically described with reference to an embodiment based on the drawings. The present invention is not limited by these examples.
FIG. 1 is a perspective view showing an example of a building construction material according to the present invention.
The glass fiber bundle in which 60% by volume of a thermosetting resin of vinyl ester resin is filled in a glass fiber bundle in which 4000 continuous glass fibers having an average fiber diameter of 16 μm are aligned, and the fiber bundle is bundled is an average fiber bundle. The diameter was 0.9 mm and the tensile strength was 180 to 200 kgf / mm ² . The glass fiber bundles are arranged vertically and horizontally at a constant interval of 10 cm as a longitudinal fiber bundle 1 and a transverse fiber bundle 2 to form a glass fiber reinforced thermosetting resin grid. Along the longitudinal fiber bundle 1 of the glass fiber reinforced thermosetting resin lattice, a strip-shaped water conducting material 3 (width 10 cm, thickness 4 mm) made of a nonwoven fabric made of polyethylene fibers is spaced at a constant interval of 40 cm. The building construction material 4 is configured by placing and fixing the water guide material 3 to the glass fiber reinforced thermosetting resin grid by pressing with an appropriate pressure before the thermosetting resin is cured.
Attachment to strip the water guide member 3 of the glass fiber reinforced thermosetting resin grating may be mounted in the top of the glass fiber reinforced thermosetting resin grating as shown in FIG. 1, a glass fiber reinforced thermosetting resin You may attach a lattice-making thing on both sides of the 2 strip | belt-shaped water guide materials 3 from the upper and lower sides.
[0019]
In FIG. 1, the longitudinal fiber bundle 1 and the transverse fiber bundle 2 are arranged at right angles in the longitudinal and transverse directions, but the angle at which the two fiber bundles may be arbitrarily changed.
In FIG. 1, the strip-shaped water guide material 3 is attached at predetermined intervals along the longitudinal fiber bundle 1 of the glass fiber reinforced thermosetting resin grid, but not only in the longitudinal direction but also in the lateral direction. You may attach in a direction and you may attach in arbitrary directions, such as a diagonal direction. The attachment direction may be one kind of direction or a combination of two or more kinds.
FIG. 2 shows a state in which the building construction material 4 of FIG. 1 is attached to the inner surface of the tunnel 5. The building construction material 4 is fixed to the inner surface of the tunnel 5 using staples and anchor bolts. The strip-shaped water guiding material 3 extends from the ceiling of the tunnel 5 to the lower end of the side wall, guides water leakage to that location, and is guided to the water leakage drainage channel 7 near the lower end of the inner surface of the tunnel 5.
Cement mortar 9 is applied to the surface of the building construction material 4 to cover the surface of the building construction material 4. Thereby, it is possible to prevent water leakage from appearing on the inner surface of the tunnel 5. In addition, water leakage does not appear on the floor 6 of the tunnel.
[0020]
FIG. 3 shows a cross-sectional view of the building construction material 4 of the present invention attached to the leaked rock surface 8 on the inner surface of the tunnel 5 and further covered with a cement mortar 9, which is usually of the present invention. The building construction material 4 is preferably covered with a concrete material such as cement mortar 9.
FIG. 4 shows the building construction material 4 in which the belt-shaped water guide material 3 is attached in both the vertical direction and the horizontal direction, and can introduce more water leakage.
[0021]
【The invention's effect】
The building construction material of the present invention is excellent in workability at the time of enforcement, and can leak water generated around the building construction material and guide it to the lower part, and has excellent performance for preventing water leakage. Further, according to the tunnel leakage prevention method of the present invention, the leakage can be efficiently guided to the lower side of the tunnel side wall, and leakage from the concrete or cement mortar surface in the tunnel can be efficiently prevented.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of a building construction material according to the present invention.
FIG. 2 is a perspective view of the building construction material according to an embodiment of the present invention attached to the inner surface of the tunnel.
FIG. 3 is a cross-sectional view showing a state in which the building construction material according to an embodiment of the present invention is attached to the inner surface of the tunnel.
FIG. 4 is a plan view showing another embodiment of the building construction material of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vertical fiber bundle 2 Horizontal fiber bundle 3 Band-shaped water guide material 4 Material for building construction 5 Tunnel 6 Floor surface 7 Leakage drainage channel 8 Leakage bedrock surface 9 Cement mortar

Claims (2)

Glass fiber reinforcement in which glass fiber is filled with thermosetting resin of vinyl ester resin, and glass fiber bundles in which glass fiber is bound with thermosetting resin of vinyl ester resin cross each other to form a lattice An uncured concrete or cement mortar is composed of a thermosetting resin grid and a band-shaped water guide material attached to the grid at a predetermined interval, and the water guide material is selected from polyethylene fiber, polypropylene fiber and polyester fiber. Ri Do from penetration hard fibrous material, when the belt-like water guide member to bind the glass fibers with a thermosetting resin of a vinyl ester resin, before the thermosetting resin of the vinyl ester resin is cured, strip-shaped water guide Material was placed on the glass fiber reinforced thermosetting resin grating at a predetermined interval, to characterized in that it is fixed to the glass fiber reinforced thermosetting resin grid by pressing Coated with uncured concrete or cement mortar, building construction for materials for reinforcing concrete or cement mortar.   The material according to claim 1 is arranged on the inner surface of the tunnel so that the belt-shaped water guide material discharges water from the ceiling of the tunnel to the lower side of the side wall, and then the uncured concrete or cement mortar is coated and cured. How to prevent water leakage in the tunnel.

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