JP2767023B2 - Device for removing infiltrated groundwater in thermal storage tanks - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for removing infiltrated groundwater in a heat storage tank.

[0002]

2. Description of the Related Art Conventionally, a heat insulating material is laid in a fixed state on inner surfaces of a bottom wall and a peripheral side wall of a heat storage tank provided in an underground portion of a concrete building, and a waterproof sheet is provided on a surface of the heat insulating material. A heat storage tank in which a part is fixed to a required part is already known.

[0003]

In the conventional heat storage tank, water is usually stored in the tank, and when the waterproof sheet is in close contact with the surface of the concrete wall or the heat insulating material due to the stored water. However, it is difficult for groundwater from outside to enter the tank.For example, when a crack occurs in the concrete wall of the heat storage tank, or when the water pressure of the groundwater outside the tank is higher than the water pressure in the tank. In the case, groundwater infiltrated into the tank and stayed between the tank bottom wall and the waterproof sheet or between the tank bottom wall and the heat insulating material and the waterproof sheet. As a result, corrosion of the steel plate joined body fixed to the bottom wall and the metal fittings thereof are promoted, and there is a problem that the fixed portion of the waterproof sheet may come off the concrete wall or the waterproof sheet may be broken. Was.

[0004] In order to solve such a problem, the present applicant firstly provided an inverted U-shaped cross section having a height substantially equal to the thickness of the heat insulating material on the upper surface of the bottom wall below the waterproof sheet of the heat storage tank. By arranging the water channel materials so that the adjacent ones abut each other at the ends, a device for removing infiltrated groundwater forming a catchment channel was proposed (actually 1-1).
No. 8551).

However, according to the proposed apparatus for removing infiltrated groundwater, a channel member for collecting water in which a large number of notches for water passage are formed at predetermined intervals at the lower edges of both side walls as viewed from the side. Is used, the shape of the channel material is complicated, and in its manufacture, using a specially shaped mold, for example, it is individually manufactured by a casting method, or is made of a drawn material or an extruded shape material By cutting the lower edges of both side walls of the channel material having the inverted U-shaped cross section,
It is necessary to form or manufacture a large number of cut-outs for water passage at predetermined intervals, so that the production of channel material for collecting water is very troublesome, and thus a heat storage having a function of removing infiltrated groundwater. A new problem is that the construction cost of the tank is expensive.

An object of the present invention is to solve the above problems,
Construction of a heat storage tank that can manufacture the channel material for water collection from a long material consisting of a drawn material and an extruded shape material very easily and inexpensively, with a low material cost and, furthermore, a function of removing infiltrated groundwater. The cost is easy and, of course,
The groundwater that has infiltrated between the concrete wall in the heat storage tank and the waterproof material such as a heat insulating material and a waterproof sheet or a waterproof plate can be discharged to the outside of the heat storage tank very smoothly, and the construction is simple. In addition, an object of the present invention is to provide an apparatus for removing infiltrated groundwater in a heat storage tank, which has good heat insulating properties and can maintain an excellent heat storage effect.

[0007]

According to the present invention, in order to achieve the above object, a heat insulating material is laid on a bottom wall and an inner surface of a peripheral side wall of a heat storage tank provided in an underground part of a concrete building. , A waterproof material is laid on the surface of the heat insulating material,
On the upper surface of the tank bottom wall under the waterproofing material, a required number of water collecting channel materials having a height substantially equal to the thickness of the heat insulating material and having an inverted U-shaped cross section are arranged adjacent to each other. By being arranged in series so as to abut each other, in the heat storage tank in which the water collecting channel portion is formed, side wall corner cutouts are provided on the left and right side walls at both front and rear ends of each water collecting channel material. In the abutting portion of the matching water collecting channel material, a substantially triangular water flowing portion is formed in a tunnel shape as viewed from the side surface leading into the water collecting channel portion by the side wall corner cutout portion of both channel materials, The gist is a device for removing infiltrated groundwater in the heat storage tank.

In the above description, the apparatus for removing infiltrated groundwater in a heat storage tank according to the present invention is a so-called insulating material in which a waterproof sheet is stretched on a surface of a heat insulating material laid on a bottom wall of the heat storage tank in a state where a required portion is fixed. Insulation that lays a waterproof plate made of a hard synthetic resin plate such as a fiber reinforced plastic (FRP) plate or a hard vinyl chloride resin plate on the surface of the heat insulating material on the bottom wall of the tank as well as the heat storage tank formed by the construction method. The present invention is similarly applied to a heat storage tank formed by a waterproofing method.

Here, fiber reinforced plastic (FRP)
A waterproof plate made of a plate or a hard synthetic resin plate such as a hard vinyl chloride resin plate is attached to the surface of the heat insulating material in advance and integrated, and the heat insulating material with the waterproof plate is laid on the upper surface of the tank bottom wall. Sometimes.

In this case, a gap for fitting the water collecting channel material is formed in the heat insulating material in advance, and when the heat insulating material with the waterproof plate is laid on the upper surface of the bottom wall of the tank, water is collected in the gap. After the heat insulating material with the waterproof plate and the water collecting channel material are laid at the same time by fitting the channel material for waterproofing, the heat insulating material with the waterproof plate may be fixed to the bottom wall of the tank by a fixture.

[0011]

In the above-mentioned heat storage tank, for example, when cracks are formed in the concrete wall of the heat storage tank, or when the pressure of the groundwater outside the tank is higher than the water pressure in the tank, the groundwater entering the tank is The water is collected in a water collecting channel provided on the upper surface of the tank bottom wall under the waterproof material such as a waterproof sheet made of a synthetic resin, a fiber reinforced plastic (FRP) plate or a hard synthetic resin plate. At this time, the infiltration groundwater is collected extremely smoothly by the substantially triangular tunnel-like water passage part seen from the side surface formed at the abutting part of each water collection channel material, and the infiltration groundwater is collected in the water collection channel part. It is quickly collected and discharged from the groundwater storage tank (spring water tank) adjacent to the heat storage tank to the outside of the tank by a pump that operates continuously or periodically.

The water collecting channel material forming the water collecting channel portion inside the heat storage tank is formed by cutting a long material made of, for example, a drawn or extruded material of synthetic resin into a predetermined length, and having both front and rear ends thereof. By cutting off the corners of the left and right side walls diagonally, it can be easily made, the manufacturing cost of the channel material for collecting water with side wall corner cutouts is low, and the heat storage tank with the function of eliminating infiltrated groundwater The construction cost is low.

[0013]

Next, embodiments of the present invention will be described in detail with reference to the drawings.

First, in FIGS. 2 and 3, four rectangular heat storage tanks (2) are provided in the basement of a concrete building (1) as viewed from above. Each heat storage tank (2) is surrounded by a concrete bottom wall (3), a peripheral side wall (4) and an upper wall (5), and the heat storage tank (2) has a bottom wall (3) and a peripheral side wall (4). Insulation material (7) is laid on the inner surface of) in a fixed state. A waterproof sheet (6) is covered over the entire surface of the heat insulating material (7) on the bottom wall (3) and the peripheral side wall (4) via a plasticizer migration prevention sheet (cross sheet) (8). (See FIGS. 4 and 5), waterproof sheet (6) and plasticizer transfer prevention sheet
The required parts of (8) are fixed to the bottom wall (3) and the peripheral side wall (4) via the joints (9) and (10), and the joints (9) and (10) are fixed by fixtures (16). The heat storage tank (2) is stretched so as to be fixed to required parts on the tank bottom wall (3) and the peripheral side wall (4), and the heat storage tank (2) is formed by a so-called insulation method.

On the upper surface of the bottom wall (3) of the waterproof sheet (6),
A required number of water collecting channel members 11 (see FIG. 5) having a cross section of an inverted U-shape having a height substantially equal to the thickness of the heat insulating material 7 (see FIG. 5). By being arranged in series so as to face each other, the catchment channel (13)
Are formed. In this embodiment, the bottom wall of the heat storage tank (2) is
(3) A water collecting channel portion (13a) is provided over the entire length at the center of the width of the upper surface, and a water collecting channel portion (13b) is provided in a branch shape from the center of the length of the water collecting channel portion (13a), They are arranged in a substantially T shape when viewed from a plane.

As shown in detail in FIGS. 1, 4 and 6, both left and right side walls (11) at the front and rear ends of each water collecting channel material (11) are provided.
a) (11a) is provided with side wall corner cutouts (12) (12), and at the abutting portion of adjacent water collecting channel materials (11) (11),
Side wall corner cuts of both channel materials (11) (11) (12) (12)
As a result, a substantially triangular water passage portion (14) is formed in a tunnel shape as viewed from a side surface communicating with the water collecting passage portion (13).

Here, the water collecting channel material (11) forming the water collecting channel portion (13) is obtained by cutting a long material made of a drawn or extruded material of a vinyl chloride resin into a predetermined length. 45 ° at the corners of the left and right side walls (11a) and (11a) at the front and rear ends
The side wall corner cutouts (12) and (12) are formed by being cut off obliquely at an angle of.

In addition, adjacent water collecting channel materials (11) (1)
1) When the competitors are arranged in series with the front end and the rear end facing each other, a slight gap (15) is left between the front end and the rear end, and the (16) is interposed and is a circular joint when viewed from above.
(9) is placed across the upper surface of the adjacent water collecting channel material (11), (11), and is fixed by the fixture (16).
(3) It is fixed to.

A fixture (16) made of a curled plug
Is a synthetic resin leg opening cylinder (1
7) and a steel wood screw (18). Fixture
As (16), an open leg nail or the like may be used.

The joint is a bottom wall of the heat storage tank (2).
In the middle part of (3) and the peripheral side wall (4), as described above,
Use a circular joint (9) (see Figure 1) or a flat strip-like joint. Tank bottom wall (3) and peripheral side wall (4)
At the corners of the strips, a strip-shaped joined body (10) having a substantially L-shaped cross section (FIG. 7)
See).

As shown in FIGS. 2, 3, 5 and 7, the left side edge of the building (1) is located on the side opposite to the heat storage tank (2) via the side wall (4). Storage tank (spring water tank) (2
2) is provided. The tank side wall intersects with the tip of the water collecting channel (13) provided on the bottom wall (3) of the heat storage tank (2).
(4) At the lower end, specifically, heat storage tanks (2) adjacent to each other
(2) Drainage holes (20) are drilled through the bottom of the tank side wall (4) between the comrades and between the heat storage tank (2) and the storage tank (22). The tip of (13) is connected. These drain holes (20) are formed by fitting a hole wall component (21) made of a vinyl chloride resin having a substantially semicircular cross section into a through hole formed at the lower end of the tank side wall (4). It is a thing.

At the left edge of the building (1),
(4) A groundwater suction pipe (23) equipped with a pump (P) at the lower end is provided in a storage tank (spring tank) (22) for receiving groundwater from the drainage hole (20) at the lower end. Suction tube (2
The upper end of 3) is connected to an appropriate drainage channel (not shown).

As the heat insulating material (7), for example, resin foams such as polystyrene, polyvinyl chloride, polyurethane, and polyethylene are used, and among these, it is economical to use polystyrene foam. It is economically advantageous. The thickness of the heat insulating material (7) is about 25 to 100 mm.

As the waterproof sheet (6), a sheet made of a thermoplastic synthetic resin such as soft polyvinyl chloride, polyethylene or polypropylene, or a non-vulcanized rubber sheet or a rubber asphalt sheet is used. In view of this, it is preferable to use a sheet made of soft polyvinyl chloride. The thickness of the waterproof sheet (6) is usually about 1.0 to 2.0 mm.

[0025] The plasticizer-migrated waterproofing sheet (8) has a structure in which the waterproofing sheet (6) is made of, for example, a soft polyvinyl chloride sheet and the heat insulating material (7) is made of polystyrene or polyvinyl chloride foam. The plasticizer migration prevention sheet (8) is, for example, a composite (cross sheet) of a foam of a resin such as polyethylene or polypropylene and a woven fabric, or a film of these resins. I do.

As the joints (9) and (10), a plate material such as a hard or semi-rigid synthetic resin plate, a metal plate, or a steel plate coated on one or both sides with a vinyl chloride resin to improve adhesiveness is used. use.

As an adhesive for joining the waterproof sheet (6) to the joined bodies (9) and (10), epoxy-based, urethane-based and rubber-based adhesives can be used. When the joint surfaces of the body (9) and (10) are both made of vinyl chloride resin, the use of tetrahydrofuran alone or a solvent-type adhesive obtained by dissolving a small amount of vinyl chloride resin in tetrahydrofuran provides excellent durability. This is preferable because it produces an adhesive effect.

In the above description, the groundwater that has entered through cracks in the concrete side wall (4) of the heat storage tank (2) passes between the heat insulating material (7) below the waterproof sheet (6) and the side wall (4). Migrate,
It reaches the bottom wall (3) where it merges with groundwater that has penetrated through cracks in the bottom wall (3). These infiltrated groundwater is stored in the heat storage tank (2)
Inside, the waterproof sheet (6) on the bottom of the tank bottom wall (3),
A required number of water collecting channel members (11) having a height substantially equal to the thickness of the heat insulating material (7) and having an inverted U-shaped cross section are arranged adjacent to each other so that the front end and the rear end abut each other. The water is collected in the water collecting channel (13) formed by being arranged in series.

At this time, the left and right side walls (11a) and (11a) of the front and rear ends of each water collecting channel material (11) are cut off by side wall corners.
(12) (12) is provided, and the channel material (11) (11)
Since the side wall corner cutouts (12) and (12) form a substantially triangular water passage (14) as viewed from the side surface that leads into the catchment channel (13), it is extremely easy to collect infiltrated groundwater. The infiltration groundwater is collected smoothly in the catchment (13).

Further, the infiltrated groundwater is drained from a drain hole (20) formed in the side wall (4) of the heat storage tank (2) from the tip of the water collecting channel (13).
The water passes through the heat storage tank (2) to a groundwater storage tank (spring water tank) (22), and is stored in the storage tank (22). And the groundwater is pumped continuously or periodically
(P) will be discharged to the outside.

As described above, the infiltrated groundwater on the surface of the bottom wall (3) of the heat storage tank (2) is transferred to the groundwater storage tank (22) outside the heat storage tank (2).
The pump can be easily repaired even if a trouble occurs in the suction pipe (23) or pump (P), etc., and maintenance can be performed very easily and reliably. .

In the construction of the heat storage tank (2), FIG.
As shown in the figure, the heat insulating material (7) is laid on the upper surface of the tank bottom wall (3) using the intermediate joint (9) and the fixture (16) so that the required part is fixed, and the required number of cross sections Inverted U-shaped water collecting channel material (11) is arranged in series so that adjacent ones of the water collecting channel materials (11) abut each other at the front end and the rear end, and the water collecting channel (1)
3), and water collecting channel material (1
1) A substantially triangular water flow through the abutting part of (11) is seen from the side surface that leads into the water collection channel (13) by the side wall corner cutouts (12, 12) of both channel materials (11, 11). The portion (14) may be formed in a tunnel shape. A waterproof sheet (6) and a plasticizer migration prevention sheet (cross sheet) (8) may be stretched over the entire surface of the heat insulating material (7) and the water collecting channel material (11). Therefore, the construction work is very simple.

Further, a heat insulating material (7) is laid on the entire inner surface of the bottom wall (3) and the peripheral side wall (4) of the heat storage tank (2), and is composed of a required number of water collecting channel materials (11). The catchment channel (13)
Since it is only slightly provided in series on the upper surface of the bottom wall (3) of the heat storage tank (2), it can maintain an excellent heat storage effect without impairing the heat insulating property of the heat storage tank (2). Things.

In the above embodiment, the corner portions of the left and right side walls (11a) and (11a) at the front and rear end portions of the water collecting channel material (11) forming the water collecting channel portion (13) have an angle of 45 °. Are cut off at an angle to form side wall corner cutouts (12) and (12), and the cut angle of these side wall corner cutouts (12) and (12) is about 30 to 60 °. preferable.

Further, in the above embodiment, the case where the apparatus for removing infiltrated groundwater according to the present invention is applied to a heat storage tank (2) formed by a so-called insulating method has been described. Is not limited to this, fiber-reinforced plastic (FR
P) Insulation waterproofing method of laying a waterproof plate made of a plate or a hard synthetic resin plate such as a hard vinyl chloride resin plate (not shown)
The same applies to the heat storage tank formed by the above method.

In this case, the fiber reinforced plastic (FR
P) The plasticizer transfer prevention sheet (cross sheet) is provided between the waterproof plate made of a plate or a hard synthetic resin plate such as a hard vinyl chloride resin plate and the surface of the heat insulating material on the heat storage bottom wall.
(8) may be interposed.

Here, the waterproof plate made of the above-mentioned fiber reinforced plastic (FRP) plate or a hard synthetic resin plate such as a hard vinyl chloride resin plate is attached to the surface of the heat insulating material in advance and integrated. Insulation with a waterproof plate may be laid on the top surface of the tank bottom wall.

In this case, a gap for fitting the water collecting channel material is previously formed in the heat insulating material, and when the heat insulating material with the waterproof plate is laid on the upper surface of the tank bottom wall, the water collecting space is formed in the gap. After the heat insulating material with the waterproof plate and the water collecting channel material are laid at the same time by fitting the channel material for waterproofing, the heat insulating material with the waterproof plate may be fixed to the bottom wall of the tank by a fixture.

The seam of the waterproof sheet or the waterproof plate or the exposed portion of the waterproof plate surface of the fixture is appropriately sealed and sealed with a sealing material, an FRP lining material or the like.

[0040]

As described above, according to the present invention, the heat insulating material is laid on the inner surface of the bottom wall and the peripheral side wall of the heat storage tank provided in the underground part of the concrete building, and the synthetic resin is provided on the surface of the heat insulating material. Waterproof sheet, fiber reinforced plastic (F
RP) A waterproof material such as a waterproof plate made of a plate or a hard synthetic resin plate is laid, and a required number of inverted U-shaped cross sections having a height substantially equal to the thickness of the heat insulating material are provided on the upper surface of the tank bottom wall below the waterproof material. In the heat storage tank in which the water collecting channel portion is formed, the water collecting channel material is arranged in series so that the front end portion and the rear end portion of the adjacent ones abut each other.
Side wall corner cutouts are provided on the left and right side walls of both front and rear ends of each water collecting channel material, and the abutting portions of adjacent water collecting channel materials are connected to the inside of the water collecting channel by the side wall corner cutouts of both channel materials. A substantially triangular water passage portion viewed from the side is formed in a tunnel shape, and according to the heat storage tank according to the present invention, for example, groundwater that has penetrated from cracks in the side wall of the concrete tank, etc. Transfer between the insulation and the concrete wall to the tank bottom wall,
There it merges with groundwater that has invaded through cracks in the bottom wall. These infiltrated groundwaters are collected in the heat storage tank in a water collection channel section formed of a required number of inverted U-shaped water collection channel members arranged in series on the upper surface of the tank bottom wall below the waterproof material.

At this time, the infiltrated groundwater is collected very smoothly by the substantially triangular tunnel-like water passage section viewed from the side surface formed at the abutting portion of each water collecting channel material. From the groundwater storage tank (spring water tank) immediately collected in the channel and adjacent to the heat storage tank,
It is discharged to the outside of the tank by a pump that operates continuously or periodically.

The water collecting channel material forming the water collecting channel portion inside the heat storage tank is formed by cutting a long material made of, for example, a drawn or extruded material of synthetic resin into a predetermined length, and cutting the front and rear ends thereof. By cutting off the corners of the left and right side walls diagonally, it can be easily made, the manufacturing cost of the channel material for collecting water with side wall corner cutouts is low, and the heat storage tank with the function of eliminating infiltrated groundwater The construction cost is low.

In constructing the heat storage tank, a required number of water collecting channel materials having an inverted U-shaped cross section having such side wall corner cutouts are placed on the upper surface of the bottom wall of the tank, and adjacent ones are connected to the front end. After arranging in series so that the rear ends abut each other to form a water collecting channel, heat insulation is laid on the entire inner surface of the bottom wall and peripheral wall of the heat storage tank, and a synthetic resin waterproof sheet, fiber reinforced Since a waterproof material such as a waterproof plate made of a plastic (FRP) plate or a hard synthetic resin plate may be laid, the construction work is very simple.

When a waterproof plate is previously attached to the surface of the heat insulating material and integrated, and the heat insulating material with the waterproof plate is laid on the upper surface of the tank bottom wall, a water collecting channel material is fitted into the heat insulating material. A gap is formed in advance, and when laying the heat insulating material with a waterproof plate on the upper surface of the tank bottom wall, a water collecting channel material is inserted into the gap, and a heat insulating material with a waterproof plate and a water collecting channel material are formed. Are simultaneously laid to form the water collecting channel, and then the heat insulating material with the waterproof plate may be fixed to the bottom wall of the tank by the fixing tool. In any case, the construction work is very simple.

Further, the water collecting channel portion made of the water collecting channel material is provided slightly in series on the upper surface of the bottom wall of the heat storage tank, and is insulated almost entirely on the inner surface of the bottom wall and the peripheral side wall of the heat storage tank. Since the material is laid, there is an effect that an excellent heat storage effect can be maintained without impairing the heat insulating property of the heat storage tank.

[Brief description of the drawings]

FIG. 1 is a perspective view of a bottom wall portion of a heat storage tank showing an embodiment of an infiltration groundwater elimination device of the present invention, showing a state before a waterproof sheet is stretched.

FIG. 2 is a schematic partial plan view of a building having a heat storage tank provided with the infiltration groundwater elimination device of the present invention, showing a state before a waterproof sheet is stretched.

FIG. 3 is a schematic partial longitudinal sectional view of the building, showing a state before the waterproof sheet is stretched.

FIG. 4 is an enlarged longitudinal sectional view of a water collecting passage portion of the infiltration groundwater elimination device of the present invention, which is taken along the line AA of FIG. 2;
Moreover, the state after the waterproof sheet is stretched is shown.

5 is an enlarged cross-sectional view taken along the line BB of FIG. 2 and shows a state after the waterproof sheet is stretched, and also shows a drain hole wall constituting member.

FIG. 6 is an enlarged perspective view of only a channel material for collecting water.

FIG. 7 is an enlarged vertical sectional view of a drain hole portion of a side wall between the heat storage tanks of FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Concrete building 2 Heat storage tank 3 Bottom wall 4 Perimeter side wall 6 Waterproof sheet (waterproofing material) 7 Insulation material 9 Intermediate joint body 10 Corner joint body 11 Channel material for cross-section reverse U-shaped water collection 11a Left and right side walls 12 Side walls Corner cut portion 13 Water collecting channel portion 14 Water passage portion having a substantially triangular shape viewed from the side 16 Fixture

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) E02D 31/02 B65D 90/00 B65D 90/04 E03B 11/14

Claims (1)

(57) [Claims] A heat insulator (7) is laid on the inner surface of a bottom wall (3) and a peripheral side wall (4) of a heat storage tank (2) provided in an underground portion of a concrete building (1). Waterproofing material (6) is laid on the surface of the material (7), and the tank bottom wall (3) below the waterproofing material (6)
On the upper surface, a required number of water collecting channel members (11) having a height substantially equal to the thickness of the heat insulating material (7) and having an inverted U-shaped cross section are abutted against each other at the front end and the rear end. In the heat storage tank (2) in which the water collecting channel portion (13) is formed by being arranged in series as described above, the left and right side walls (11a) at the front and rear ends of each water collecting channel material (11) (11a) is provided with side wall corner cutouts (12) and (12), and abutting portions of adjacent water collecting channel materials (11) and (11) are provided with both channel materials (11).
The drainage channel (1) is cut by the side wall corner cutouts (12) and (12) in (11).
3) A device for removing infiltrated groundwater in a heat storage tank, characterized in that a substantially triangular water passage portion (14) is formed in a tunnel shape as viewed from the side surface leading into the inside.