JP2001107471A - Erecting structure and erecting method of fixing bolt on waterproofed surface - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the erecting structure of a fixing bolt in which the fixing bolt can be installed simply without a limitation in a positional manner after waterproofing and sufficient waterproofness can be obtained. SOLUTION: The erecting structure of the fixing bolt is applied to a building frame 20 on which a waterproof sheet 40 is laid. The fixing bolt 50 with a lap sheet in which the lap sheet 53 made of a synthetic resin is fixed onto the outer circumference of a bolt body 51 through a seat plate 52 is used. One end side 51a of the fixing bolt 50 is fixed onto the building frame 20, and the other end side 51b of the bolt is disposed in upright and arranged on the waterproof sheet 40 while the lap sheet 53 is arranged around a bolthole 41 on the waterproof sheet 40. The lap sheet 53 and the seat plate 52 are brought into press contact with the waterproof sheet 40 through a holding plate 70 while the lap sheet 53 is joined and unified with the waterproof sheet 40 by a nut 80 screwed to the bolt other end side 51b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat storage tank provided with a waterproof layer such as a waterproof sheet, a pool, a veranda, a wall of a roof, or the like. The present invention relates to an erecting structure and an erecting method of a fixing bolt on a waterproof construction surface for erecting.

[0002]

2. Description of the Related Art As shown in FIG. 8, in an air-conditioning heat storage tank of an office building or the like, a waterproof sheet (2) as a waterproof layer is laid on a surface of a concrete frame (1) by an insulating method. It is. Conventionally, when fixing bolts (3) for columns are erected on such a waterproof construction surface,
Before laying the waterproof sheet (2), the female screw cylinder (5) provided with the flange portion (5a) is embedded and fixed in the frame (1) in advance, and the flange portion (5) of the female screw tube (5) is fixed. 5
a) A packing member (6) is arranged on the top, and then a waterproof sheet (2) is laid on the frame (1). A bolt insertion hole (2a) is formed in the waterproof sheet (2) at a position corresponding to the female screw cylinder (5), and a packing member (7) is placed around the hole (2a). The fixing bolt (3) to which (4) is fixed is inserted into the packing members (6) and (7) and the bolt insertion hole (2a) and fastened to the female screw cylinder (5), and is provided on the nut (4). By the collar part (4a)
The packing members (6) and (7) and the waterproof sheet (2) are pressed against the frame (1) side, and the area around the bolt insertion hole (2a) of the waterproof sheet (2) is interposed through the packing members (6) and (7). Thus, the flange (4a) of the nut (4) and the flange (5a) of the female screw cylinder (5) are sandwiched.

[0003]

However, in the above-mentioned conventional fixing bolt erecting method, since the periphery of the bolt insertion hole (2a) of the waterproof sheet (2) is sandwiched from both upper and lower sides, the waterproof sheet (2) is not used. Before laying, it is necessary to previously bury and fix the female screw cylinder (5) at the bolt standing position. For this reason, there is a problem that the bolt attachment position cannot be changed after the waterproof sheet is laid, and the position is restricted.

When the fixing bolt (3) is erected, the female screw cylinder (5) is covered and concealed by the waterproof sheet (2), so that the position of the female screw cylinder (5) can be accurately grasped visually. And it is necessary to grasp the position of the female screw cylinder (5) by groping. For this reason, when drilling the bolt insertion hole (2a) in the waterproof sheet (2), it is very difficult to align the hole (2a) with the female screw cylinder (5). If the fixing bolts (3) are attached without being sufficient, problems such as excessive tension being applied to the waterproof sheet (2) and loosening may occur. As described above, it is necessary to carefully perform the drilling work of the fixing bolt insertion hole (2a) while groping the position, and there is a problem that the burden on the operator is large and the construction becomes difficult. Further, if the area around the bolt insertion hole (2a) of the waterproof sheet (2) is mistakenly damaged, moisture may enter from the damaged part,
There is a problem that the waterproof property may be reduced.

[0005] The present invention solves the above-mentioned problems of the prior art, and can be easily attached to a desired position after the waterproofing process without being restricted by the attaching position of the fixing bolt. It is an object of the present invention to provide an erecting structure and an erecting method of a fixing bolt on a waterproof construction surface capable of obtaining the following.

[0006]

In order to achieve the above-mentioned object, the present invention provides an erecting structure of a fixing bolt, wherein the fixing bolt is provided in a watertight state on a waterproof construction surface having a waterproof layer provided on a surface of a frame. And a waterproof synthetic resin wrap sheet is attached to the outer periphery of the bolt body in a watertight state, and a fixing member is provided on the inner side of the wrap sheet in the bolt body. The fixing bolt with a wrap sheet is provided, the fixing member with the wrap sheet is fixed to the skeleton by penetrating the waterproof layer, and the bolt body is arranged upright on the waterproof layer. The gist is that the wrap sheet is arranged so as to cover the fixing member, and the wrap sheet is joined to the waterproof layer in a watertight state.

In the standing structure of the fixing bolt according to the present invention, the fixing bolt with a wrap sheet is fixed to a frame by penetrating a fixing member at one end thereof through a waterproof layer, and the fixing member around the bolt body on the waterproof layer is fixed. It is covered with a wrap sheet and can be constructed after forming a waterproof layer on the skeleton. For this reason, the fixing bolt can be attached to a desired position without being restricted in position. Further, since the fixing bolt can be attached to a desired position, for example, as in the related art, a bolt hole is accurately drilled in a waterproof sheet or the like as a waterproof layer in accordance with the female screw cylinder of the frame, that is, the position. The troublesome drilling work requiring precision is not required, and the work load can be reduced accordingly.

Further, since the periphery of the fixing member on the waterproof layer is covered with the wrap sheet, even if the periphery of the fixing member penetrating portion of the waterproof layer is erroneously damaged, for example, the damaged portion is covered with the wrap sheet. Waterproof coating can be ensured.

In the present invention, the wrap sheet is preferably made of the same material as the waterproof layer. That is, in this case, the wrap sheet can be securely joined and integrated with the waterproof layer by solvent welding or hot air welding.

Further, in the present invention, it is preferable that the waterproof layer is made of a synthetic resin waterproof sheet laid on the frame.

In the present invention, it is preferable that the wrap sheet has a structure made of a semi-hard material or a soft material. That is, when this configuration is employed, the wrap sheet can be brought into close contact with the waterproof layer without any gap, so that the intrusion of moisture therebetween can be more reliably prevented.

Further, in the present invention, a holding plate is provided on the outer surface of the lap sheet on the outer periphery of the fixing bolt, and the holding plate is pressed toward the frame by a nut screwed to the bolt body. It is more preferable to adopt a configuration in which the wrap sheet is pressed against the waterproof layer side by the pressing plate.

That is, in the case of employing this configuration, the pressing plate, the lap sheet, and the waterproof layer are in close contact with each other in the vicinity of the fixing member penetrating portion of the waterproof layer, and the infiltration of moisture between them is reliably prevented. can do.

Further, in the present invention, it is still more preferable to adopt a configuration in which a seat plate pressed against the waterproof layer is provided on the inner surface side of the wrap sheet on the outer periphery of the bolt body. That is, when this configuration is adopted, the seat plate can be stably mounted on the waterproof layer, and the bolt body can be stably mounted on the waterproof layer.

Further, in the present invention, the wrap sheet is attached to an outer periphery of an intermediate portion of the bolt main body, and one end of the bolt main body relative to the wrap sheet is configured as the fixing member, and one end of the bolt main body is formed as a fixing member. It is more desirable to adopt a configuration that is fixed to the skeleton by penetrating the waterproof layer.

That is, when this configuration is adopted, the fixing bolt with the lap sheet can be formed in a simple structure.

Further, in the present invention, a seat plate is provided at one end of the bolt body, and in a state where the seat plate is disposed on the waterproof layer, a fixing member as a fixing member is provided at an outer peripheral portion of the seat plate. Further, it is more desirable to adopt a configuration in which the waterproof layer is penetrated and fixed to the frame.

That is, in the case of employing this configuration, the fixing tool as a fixing member can be fixed at a position away from the center position of the bolt main body in the skeleton, so that a reinforcing bar or the like is embedded in the erection bolt fixing position in the skeleton. Even if it is done, it is possible to fix the erecting bolt without any trouble.

Further, in the present invention, it is even more desirable to adopt a structure in which a packing member is interposed between the wrap sheet and the press plate. That is, when this configuration is employed, it is possible to more reliably prevent the intrusion of moisture between the lap sheet and the holding plate.

On the other hand, the method of erection of the fixing bolt of the present invention is as follows.
One method for realizing the structure of the first invention is specified.

That is, the second aspect of the present invention is a method of erection of a fixing bolt for erection of a fixing bolt in a watertight state on a waterproof construction surface provided with a waterproof layer on the surface of a skeleton. A step of preparing a wrap sheet with a wrap sheet provided with a fixing member, on the outer periphery of which a waterproof synthetic resin wrap sheet is attached in a watertight state, and on the inner surface side of the wrap sheet in the bolt body,
An aspect in which the fixing bolt with the wrap sheet is fixed to the frame by penetrating the fixing member through the waterproof layer, and the bolt main body is arranged upright on the waterproof layer, and the wrap sheet covers the fixing member. And a step of joining the wrap sheet to the waterproof layer in a watertight state.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS <First Embodiment> FIG. 1 is a cross-sectional view showing the vicinity of a fixing bolt of a concrete heat storage tank to which a fixing bolt standing structure according to a first embodiment of the present invention is applied. 2 is an exploded perspective view showing a fixing bolt unit (P1) used for the standing structure, and FIGS. 3 and 4 are cross-sectional views showing a procedure for installing the fixing bolt unit (P1).

As shown in these figures, in the heat storage tank to which the fixing bolt standing structure of the present embodiment is applied, a heat insulating layer (30) made of expanded polystyrene or the like is laminated on a wall surface of a concrete body (20). And heat insulation layer (30)
A waterproof sheet (40) is laid by a well-known insulating method or the like. As the waterproof sheet (40), a sheet made of a soft synthetic resin such as a polyvinyl chloride resin or a polyolefin resin is used. Although illustration is omitted, between the heat insulation layer (30) and the waterproof sheet (40),
If necessary, a cross sheet or the like for preventing migration of the plasticizer of the waterproof sheet (40) is interposed.

On the other hand, in realizing the bolt erecting structure of the present embodiment, a fixed bolt unit (P
1) is used.

The fixing bolt unit (P1) includes a fixing bolt (50) with a wrap sheet and a packing member (6).
0) (60), a holding plate (70), a nut (80), and an anchor member (90) as basic components.

The fixing bolt (50) with a wrap sheet is
A bolt body (51) is provided.
A disc-shaped seat plate (52) is provided on the outer periphery of the intermediate portion of 1) so as to protrude in the outer diameter direction. The seat plate (52)
It is made of a metal plate such as stainless steel, and is firmly fixed to the outer peripheral surface of the bolt body (51) by welding with a brazing material (52a) in a state of achieving watertightness with the bolt body (51).

Here, in this embodiment, one end side (lower end side 51a) of the bolt body (51) with respect to the seat plate (52).
Are configured as fixing members.

On the outer periphery of the intermediate portion of the bolt body (51) on the upper surface side (outer surface side) of the seat plate (52), a dimension in the radial direction than the seat plate (52), that is, in the axial direction of the bolt body (51). A disc-shaped wrap sheet (53) having a large dimension in a direction perpendicular to the direction is provided. Wrap sheet (5
3) is made of a soft or semi-rigid synthetic resin such as a polyvinyl chloride resin or a polyolefin resin, and is preferably made of the same material as the waterproof sheet (40).

The packing members (60) and (60) are made of a soft or semi-hard synthetic resin sheet such as a polyvinyl chloride resin or a polyolefin resin, and are provided with bolt holes (61) and (61) at the center thereof. The seat plate (52)
It is formed in the shape of a disk having substantially the same size as.

The holding plate (70) is made of a metal plate such as stainless steel, has a bolt hole (71) in the center, and is formed in a disk shape having substantially the same size as the seat plate (52).

The anchor member (90) is connected to the frame (2).
When the anchor bolt (90) is driven into the bolt hole (21), a part of the outer peripheral wall of the anchor bolt (90) expands and the bolt hole (2) is opened.
It is configured to be fixed in 1).

The fixing bolt unit (P1) having the above configuration.
Is to be installed on the waterproof construction surface after the waterproof sheet (40) is laid in the heat storage tank, that is, after the waterproof treatment.

That is, as shown in FIG. 3, the bolt holes (41) are formed in the waterproof sheet (40), the heat insulating layer (30) and the frame (20) at the positions where the fixing bolts (50) on the waterproof construction surface are erected. ) Drill (31) and (21).

Subsequently, the anchor member (90) is driven into the bolt hole (21) of the frame (20) through the bolt hole (41) (31) of the waterproof sheet (40) and the heat insulating layer (30). A part of the peripheral side wall of the anchor member (90) is pressed against and fixed to the inner peripheral surface of the bolt hole (21).

Next, as shown in FIG. 4, fixing bolts (50) with a wrap sheet, and lower end sides (51a) of the fixing bolts (50) are provided with bolt holes in a waterproof sheet (40), a heat insulating layer (30) and a frame (20). (41), (31), and (21) are respectively inserted and fastened and fixed to the threaded holes (91) of the anchor member (90).
While the b) is placed upright on the waterproof sheet (40), the seat plate (52) of the fixing bolt (50) is attached to the waterproof sheet (40).
And press the wrap sheet (53) on the waterproof sheet (40) so as to cover the periphery of the seat plate (52).

The wrap sheet (53) and the seat plate (5)
A filler (caulking agent) made of a water-swellable resin or rubber or the like whose volume expands due to impregnation with moisture is provided between the above-mentioned 2) and the case. Here, as the water-swellable filler, “Ultra C (trade name)” manufactured by Asahi Denka Kogyo KK can be mentioned as a specific example.

Subsequently, the two packing members (60) (6)
0) is placed on the lap sheet (53) so that the upper part of the bolt body (51) is inserted through the bolt holes (61) (61) at the center thereof, and the holding plate (70) is placed at the center thereof. The bolt body (51) is placed on the packing member (60) such that the upper end side (51b) of the bolt body (51) is inserted into the bolt hole (71).

Subsequently, a nut (80) is tightened from the upper end of the bolt body (51) via a washer (85), and the nut (80) is pressed against the holding plate (70) to thereby press the holding plate (7).
0) fixes the packing members (60) and (60), the wrap sheet (53), and the seat plate (52) in a state of being pressed against the waterproof sheet (40).

Further, as shown in FIG.
3) is welded or fused to a waterproof sheet (40) using a solvent or hot air to join and integrate in a watertight state,
The outer peripheral edge of the wrap sheet (53) is sealed with a sealing agent (5
Weld according to 5). At this time, the wrap sheet (53)
When the same material as that of the waterproof sheet (40) is used, the waterproof sheet (40) can be surely integrated with the waterproof sheet (40) by welding and fusion.

Needless to say, the wrap sheet (5
The bonding process 3) to the waterproof sheet (40) may be performed after the fastening bolt (50) with the wrap sheet is fastened to the anchor member (90) and before the nut (80) is fastened.

In the present embodiment, the packing members (60) (6) are attached to the fixing bolts (50) with a wrap sheet.
0), the holding plate (70) and the nut (80) may be assembled in a temporarily fixed state, and the temporarily assembled product may be installed on an anchor member (90) fixed to the frame (20).

Thus, the fixing bolt (50) of the present embodiment is provided.
Is formed.

As described above, according to the standing structure of the fixing bolt of the present embodiment, since the fixing bolt (50) is constructed from the upper surface side of the waterproof sheet (40), the position of the fixing bolt (50) is restricted. It can be erected and fixed at a desired position without any trouble.

Further, in this embodiment, unlike the above-mentioned conventional one in which bolt holes are formed in the waterproof sheet in accordance with the female screw cylinder embedded in the frame, the waterproof sheet (40)
Since the bolt hole (41) is formed in the body and the bolt hole (21) is formed in the frame (20) through the hole (41), the bolt is fitted to the waterproof sheet and the female screw cylinder of the frame. There is no need to perform a complicated positioning hole forming operation of forming a hole, so that the work load can be reduced and the construction can be performed easily.

Further, in this embodiment, the wrap sheet (53) is used to secure the bolt holes (41) of the waterproof sheet (40).
Since the periphery is covered, even if the periphery of the bolt hole (41) of the waterproof sheet (40) is mistakenly damaged, the damaged portion can be covered with the wrap sheet (53), so that good waterproofing is achieved. Sex can be maintained.

In the present embodiment, the nut (8
0), the pressing plate (70) is pressed toward the skeleton (20) side, and the packing plate (60) is pressed by the pressing plate (70).
(60) and the wrap sheet (53) are pressed against the seat plate (52), so that the presser plate (70) and the packing member (60) are provided all around the bolt hole of the waterproof sheet (40).
(60), the wrap sheet (53), the seat plate (52), and the waterproof sheet (40) are sufficiently close to each other, so that it is possible to reliably prevent water from entering between them, and furthermore, , Can improve waterproofness.

In this embodiment, when the wrap sheet (53) is bonded to the seat plate (52) of the fixing bolt (50) via a water-expandable filler, the waterproofness can be further improved. That is, the packing member (60)
Due to aging of (60) and loosening of nut (80),
The adhesiveness between the holding plate (70) and the wrap sheet (53) is reduced, and water penetrates from there between, and the water flows between the wrap sheet (53) and the bolt body (51), and furthermore, wraps. When infiltrated between the seat (53) and the seat plate (52), the water-swellable filler disposed therebetween expands,
Since the space between them is filled without gaps, the permeation of water thereafter can be reliably prevented, and good waterproofness can be maintained for a long time.

Further, in this embodiment, since the wrap sheet (53) is made of a soft or semi-rigid material, the wrap sheet (53) can be accurately aligned with the waterproof sheet (40) without any gap. Both seats (53)
Since (40) can be bonded in a close contact state, the waterproofness can be further improved.

<Second Embodiment> FIG. 5 shows a second embodiment of the present invention.
FIG. 2 is a sectional view showing the vicinity of the fixing bolt of a concrete heat storage tank to which the fixing bolt standing structure according to the embodiment is applied.
FIG. 3 is an exploded sectional view showing the vicinity of the fixing bolt, and FIG. 3 is an exploded perspective view showing the fixing bolt unit (P2) used in the standing structure.

As shown in these figures, the fixing bolt unit (P2) used in the second embodiment includes a fixing bolt (150) with a wrap sheet and a packing member (1).
60) (160), holding plate (170), nut (18)
0), anchor members (190) and (190), and screws (200) and (200) as fasteners (fixing members) as basic components.

Fixing bolt with wrap sheet (150)
Has a bolt body (151), and a rectangular seat plate (152) is provided on the outer periphery of one end of the bolt body (151) so as to protrude in the outer radial direction. Seat plate (15
2) is made of a metal plate such as stainless steel as described above,
The inner peripheral surface of the central hole is firmly fixed to the outer peripheral surface of the bolt main body (151) in a state of achieving watertightness with the bolt main body (151) by welding with a brazing material.

Further, screw holes (152b) are provided at four corners of the seat plate (152).

On the outer periphery of the bolt body (151) on the upper surface side (outer surface side) of the seat plate (152), the dimension in the radial direction is larger than that of the seat plate (152), that is, perpendicular to the axial direction of the bolt body (151). A rectangular wrap sheet (153) having a large dimension in the direction in which the wrapping is provided is provided.

Since the other structure of the fixing bolt unit (P2) in the second embodiment is the same as that of the fixing bolt unit (P1) in the first embodiment, the same or corresponding parts are denoted by the same or corresponding reference numerals. In addition, redundant description is omitted.

Also in this fixing bolt unit (P2), the waterproof sheet (40) is laid in the heat storage tank and then installed on the waterproof construction surface in the same manner as described above.

That is, the waterproof sheet (4) is provided at two predetermined locations around the fixing bolt standing position on the waterproof construction surface.
0), screw holes (141), (131) and (121) are formed in the heat insulating layer (30) and the frame (20), respectively.

Subsequently, the anchor member (19) is inserted into each screw hole (121) of the frame (20) through each screw hole (141) (131) of the waterproof sheet (40) and the heat insulating layer (30).
0) to fix each.

Next, fixing bolts (15
0) is placed on the tarpaulin (40), and the seat plate (15) is placed.
Out of the four screw holes (152b) at the four corners of (2), two screw holes (152b) positioned diagonally are inserted into the bolt holes (12).
Arrange them so as to conform to 1).

Subsequently, as shown by the solid lines in FIGS. 5 and 6,
Turn up the end of the wrap sheet (153) and
One screw hole (152b) is exposed, and in this state, a screw (200) is inserted into each screw hole (152b), and further, each screw hole (141) (131) on the construction surface side
(121) and fastened and fixed respectively to the anchor members (190). Thereby, the bolt body (151)
Is fixed on the waterproof sheet (40) by pressing the seat plate (152) against the waterproof sheet (40). After the screwing operation is completed, as shown by the imaginary lines in FIGS. 5 and 6, the turning up of the wrap sheet (153) is released, and the wrap sheet (153) is released on the seat plate (152) and the waterproof sheet (40). It is arranged so that it may follow.

Subsequently, the packing members (160) (16)
0) and the holding plate (170) are assembled to the bolt body (151) in the same manner as described above, and then the nut (180) is tightened from the upper end of the bolt body (151), and the nut (18) is tightened.
0) is pressed against the holding plate (170), and the holding plate (17) is pressed.
0), the packing members (160) and (160) and the wrap sheet (153) are fixed in a state of being pressed against the seat plate (152).

Further, the wrap sheet (153) is welded or fused to the waterproof sheet (40) using a solvent or hot air to be joined and integrated in a watertight state, and the outer peripheral edge of the wrap sheet (153) is sealed. Weld with agent (155). Thereby, the mounting operation of the fixing bolt unit (P2) of the present embodiment is completed.

In the standing structure of the fixing bolts according to the second embodiment, similar effects can be obtained as in the first embodiment.

Furthermore, in the present embodiment, even if a reinforcing bar (R) or the like is buried at the position where the bolt body (151) is to be erected in the frame (20), the bolt body (151) is easily used. Can be erected and fixed.

That is, in the first embodiment,
The lower end side (51a) of the bolt body (51) is
0), the anchor is fixed to the anchor member (90) buried and fixed, and as shown in FIG.
That is, if the reinforcing bar (R) is buried at the position where the bolt body is to be erected, the anchor member (90) cannot be buried and fixed, and the bolt body (51) cannot be erected.

On the other hand, in the second embodiment, a seat plate (152) is provided at the lower end of the bolt body (151), and the outer periphery of the seat plate (152) is screwed to the screw (200).
Since the bolt is fixed to the frame (20), the reinforcing rod (R) is located at the position where the bolt body is to be erected on the frame (20).
Even if the anchor member (19) is buried, the reinforcing member (19) is avoided at a position different from the position where the bolt body is to be erected.
0) is buried and fixed, and the screw (200) is fixed to the anchor member (190), so that the bolt body (151) can be erected without any trouble.

In the second embodiment, the seat plate (152) is connected to the frame (20) by two screws (200).
However, the present invention is not limited to this, and the seat plate (152) may be fixed by one or three or more screws. However, in consideration of mounting strength, workability, and the like, two screws (200) and (200) arranged at opposing positions as in the above embodiment.
It is preferable to fix the seat plate (152) by means of.

In each of the above embodiments, the case where the waterproof sheet is laid by the insulating method as the waterproof layer is described as an example. However, the present invention is not limited to this case. The present invention can also be applied to a case where the entire area of the sheet is laid by a close contact method in which the sheet is adhered to the frame, or a case where the waterproof layer is formed of a coating film.

In the above embodiment, the frame (2
Although the heat insulating layer (30) is provided on the surface of (0), it is not always necessary to provide the heat insulating layer (30) in the present invention.

[0069]

As described above, according to the standing structure of the fixing bolt of the present invention, the fixing bolt with the wrap sheet is fixed to the frame by passing the fixing member at one end through the waterproof layer, and is fixed on the waterproof layer. Since the fixing member in the vicinity of the bolt body is covered with the wrap sheet, it is possible to perform the work after forming the waterproof layer on the frame. For this reason, the fixing bolt can be attached to a desired position without being restricted in position. Further, since the fixing bolt can be attached to a desired position, for example, as in the related art, a bolt hole is accurately drilled in a waterproof sheet or the like as a waterproof layer in accordance with the female screw cylinder of the frame, that is, the position. The troublesome drilling work requiring precision is not required, and the work load can be reduced and the construction can be performed easily. Also, since the area around the fixing member on the waterproof layer is covered with the wrap sheet, even if the area around the fixing member penetrating portion of the waterproof layer is mistakenly damaged, for example, the damaged section is securely waterproofed with the wrap sheet. There is an effect that it can be coated and good waterproofness can be obtained.

In the present invention, when the wrap sheet is made of the same material as the waterproof layer, the wrap sheet can be securely joined and integrated with the waterproof layer by solvent welding or hot air welding, and the waterproof property is further improved. There is an advantage that can be.

In the present invention, the wrap sheet is
When composed of a semi-rigid material or a soft material, the wrap sheet can be closely adhered to the waterproof layer without any gap, so that the infiltration of moisture therebetween can be more reliably prevented, and the waterproof property can be further improved. There is an advantage that can be.

In the present invention, when the wrap sheet is pressed against the waterproof layer side by the press plate provided on the fixing bolt, the space between the press plate, the wrap sheet and the waterproof layer is formed around the fixing member penetrating portion of the waterproof layer. There is an advantage that they can be in close contact with each other, reliably prevent intrusion of moisture between them, and further improve waterproofness.

Further, in the present invention, in the case where a seat plate is provided on the inner surface side of the wrap sheet on the outer periphery of the bolt body to be pressed against the waterproof layer, the seat plate can be stably mounted on the waterproof layer. As a result, there is an advantage that the bolt body can be stably mounted on the waterproof layer.

In the present invention, when the one end side of the bolt body is formed as a fixing member, there is an advantage that the fixing bolt with a lap sheet can be formed in a simple structure, and thus the entire structure can be formed simply.

In the present invention, when the seat plate provided at one end of the bolt main body is fixed by the fixing member, the fixing member can be fixed at a position away from the center position of the bolt main body in the frame. Even if a reinforcing bar or the like is buried at the bolt body fixing position in the frame, there is an advantage that the standing bolt can be fixed without any trouble.

Further, in the present invention, when a packing member is interposed between the wrap sheet and the holding plate, the infiltration of moisture between the wrap sheet and the holding plate can be more reliably prevented, and the waterproofness is further improved. There is an advantage that can be.

On the other hand, the method of erecting the fixing bolt of the present invention is as follows.
The present invention specifies one method for realizing the above-described structural invention, and the same effects as described above can be obtained by implementing the method.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing the vicinity of a fixing bolt of a heat storage tank to which a standing structure of a fixing bolt according to a first embodiment of the present invention is applied.

FIG. 2 is an exploded perspective view showing a fixing bolt unit employed in the first embodiment.

FIG. 3 is a sectional view showing a state immediately before fixing an anchor member in the bolt standing structure of the first embodiment.

FIG. 4 is a cross-sectional view showing a state immediately before a fixing bolt with a seat wrap is inserted in the bolt standing structure of the first embodiment.

FIG. 5 is a sectional view showing the vicinity of a fixing bolt of a heat storage tank to which a standing structure of the fixing bolt according to a second embodiment of the present invention is applied.

FIG. 6 is an exploded cross-sectional view illustrating the vicinity of a fixing bolt of a heat storage tank according to a second embodiment.

FIG. 7 is an exploded perspective view showing a fixing bolt unit employed in the standing structure according to the second embodiment.

FIG. 8 is a sectional view showing a standing structure of fixing bolts on a conventional waterproof construction surface.

[Explanation of symbols]

 Reference Signs List 20: Frame 40: Waterproof sheet (waterproof layer) 50, 150: Fixing bolt with wrap sheet 51, 151 ... Bolt body 51a ... One end side (fixing member) 52, 152 ... Seat plate 53, 153 Packing members 70, 170: Holding plate 80, 180: Nut 200: Screw (fixing member)

Continuation of the front page (72) Inventor Toru Itaya 1-22-2 Miyakubo, Ichikawa-shi, Chiba F term (reference) 2E125 AA03 AA53 AA57 AE04 AG13 BA14 BA22 BA23 BB08 BB30 BD01 BE07 BF06 CA03 CA04 EA00 EB01

Claims (10)

[Claims] 1. A structure in which a fixing bolt is provided on a waterproof construction surface provided with a waterproof layer on a surface of a skeleton so as to erect the fixing bolt in a watertight state. The synthetic resin wrap sheet having the wrap sheet is provided in a watertight state, and the lap sheet is provided on the inner surface side of the wrap sheet with a fixing member, and the wrap sheet is provided with a fixing bolt provided with a fixing member. A member penetrates through the waterproof layer and is fixed to the frame, the bolt body is erected on the waterproof layer, and the wrap sheet is disposed in a manner to cover the fixing member. A standing structure for fixing bolts on a waterproof construction surface, which is joined to a waterproof layer in a watertight manner. 2. The structure according to claim 1, wherein the wrap sheet is made of the same material as the waterproof layer. 3. The waterproof layer is formed of a synthetic resin waterproof sheet laid on the skeleton.
Or the standing structure of the fixing bolt on the waterproof construction surface according to 2. 4. The structure according to claim 1, wherein the wrap sheet is made of a semi-hard material or a soft material. 5. A holding plate is provided on an outer surface of the lap sheet on an outer periphery of the fixing bolt, and the holding plate is pressed toward the skeleton by a nut screwed to the bolt body, and the holding plate is provided. The standing structure of the fixing bolt on the waterproof construction surface according to any one of claims 1 to 4, wherein the wrap sheet is pressed against the waterproof layer side. 6. The fixing bolt according to claim 1, further comprising a seat plate pressed against the waterproof layer on an inner surface of the wrap sheet on an outer periphery of the bolt body. Standing structure. 7. The wrap sheet is attached to an outer periphery of an intermediate portion of the bolt main body, and one end side of the bolt main body from the wrap sheet is configured as the fixing member, and one end side of the bolt main body is provided with the waterproof layer. The standing structure for fixing bolts on the waterproof construction surface according to any one of claims 1 to 6, wherein the fixing bolts penetrate and are fixed to the frame. 8. A seat plate is provided at one end of the bolt main body, and in a state where the seat plate is disposed on the waterproof layer, a fixing member serving as the fixing member includes an outer peripheral portion of the seat plate and the waterproof layer. 6. The fixing device according to claim 1, wherein:
The standing structure of the fixing bolt on the waterproof construction surface according to any one of the above. 9. The structure according to claim 5, wherein a packing member is interposed between the wrap sheet and the holding plate. 10. A method for erection of a fixing bolt for erecting a fixing bolt in a watertight state on a waterproof construction surface provided with a waterproof layer on a surface of a skeleton, wherein the outer periphery of the bolt body is provided with waterproofness. A step of preparing a wrap sheet with a wrap sheet provided with a fixing member on the inner surface side of the wrap sheet in the bolt body while the wrap sheet made of synthetic resin is attached in a watertight state, A step of penetrating the fixing member through the waterproof layer, fixing the fixing member to the skeleton, arranging the bolt main body upright on the waterproof layer, and arranging the wrap sheet so as to cover the fixing member; Joining the wrap sheet to the waterproof layer in a water-tight manner.