JP3439233B2 - Adhesion method of impermeable sheet - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of towing and towing an impermeable sheet. The water-impermeable sheet that was towed, towed, and then widened to a long length was laid on the bottom of the water.

[0002]

2. Description of the Related Art A diver attaches one end of a wide rubber sheet in the width direction to the end of the other wide rubber sheet in the width direction on a water surface or in water to form a wide long rubber sheet having a predetermined area. It's difficult to make. For this reason, wide and long rubber sheets have been made by towing a towed sheet having a predetermined size on the ground or a sheet having a large shape on a barge.

[0003]

When a wide rubber sheet is bonded on the surface of water or in water, when the predetermined area of the wide long rubber sheet is as large as several hundred meters square, it is made to a predetermined size on land. However, even if a ship of a predetermined area was made, it was difficult to tow them to the sea and lay them in a predetermined position.

[0004]

The present inventors have reached the present invention as a result of earnest efforts to solve the above problems.

That is, the method of adhering a water-blocking sheet according to the present invention is a chill-fall or winch equipped with a water-blocking sheet stacked on the ground at the water's edge to a predetermined position. Ata in tow towing on the water
And how to pull the impermeable sheet inside the impermeable sheet.
Extending the air column in a direction perpendicular to the direction
After towing, in the direction of towing, the impermeable sheet and other impermeable sheets
Widely spread the water-blocking sheet by adhering the end surface of the
It is characterized by making it longer .

The stretchable air column relaxes the impermeable sheet.
The wide extension rubber sheet on the water surface or underwater.
Tow and tow without sinking, and position and bond securely
It is something. Vertical direction with respect to the direction in which the impermeable sheet is pulled
Is the width direction of the waterproof sheet, and the extension air column is
It is preferable to fix the entire width of the water sheet.

[0007] The method of adhering the water-blocking sheets is as follows:
A waterproof sheet is attached to a ship on the opposite shore or anchored.
When towing a tow with a lefort or winch,
With a turbo fan, the target
-Use the air blower tube installed for the fan
It is preferable to make it easier to tow. The turbofans are preliminarily provided at equal intervals behind a water blocking sheet stacked on the ground at the water's edge.

[0008] Further, the method of adhering the water-blocking sheets is as follows. When the stacked water-blocking sheets are towed by a chillfall or winch provided on a ship on the opposite shore or anchored, the left and right directions are set toward the towing direction. It is preferable to tow the water-impervious sheet under tension by means of a moored rope or rope-equipment installed on the water's edge.

The impermeable sheet is towed under tension in the water surface or in the water.

[0010]

[0011]

As the water impermeable sheet, for example, a wide extended rubber sheet can be used. Wide extension rubber sheet,
For example, a wide calendered rubber sheet is cut in the vertical direction to the required size, and the vertical end face of the width end of the required size cut rubber sheet and the vertical end face of another required size cut rubber sheet are pressed. Heat vulcanization is repeated for several dozen times, and the vertical and horizontal jointed rubber sheets are wound around the core,
In the width direction, the end faces of the vertically and horizontally jointed rubber sheets that are jointed in the width direction of the wound vertical and horizontal jointed rubber sheets and the end faces of other wound vertical and horizontal jointed rubber sheets are subjected to pressure heating vulcanization. It is created by patching. A plurality of the wound lengthwise and transversely bonded rubber sheets may be placed on the ground near the water at a required interval.

[0013]

In the method of adhering the water-impervious sheet, when the water-impervious sheet and the end surface portions of other water-impervious sheets are adhered to each other on the water surface or in water, the tension of the water-impervious sheet is released at a predetermined position so that the adhering end surface portion is Fix the end face part of other water shield sheet with a weight so that it can be bonded in a relaxed state, then release the tension of the other water shield sheet that is in contact with it, so that the adhesive end face part can be bonded in a relaxed state It is preferable to fix the end face portion of the other water-impervious sheet with a weight.

The present invention will be described with reference to the drawings. Figure 1
FIG. 3 is a schematic plan view of a vertical and horizontal joint rubber sheet 1. A wide calendered rubber sheet is cut in the vertical direction with a required width rubber sheet A, and the required width rubber end of the width end of the required width rubber sheet A (not shown) and other required width rubber The end face portion in the longitudinal direction of the sheet A is pressed and heated and vulcanized and adhered several tens of times.
The adhesive end face portion 28 of the required length and width long rubber sheet A is subjected to pressure heating and vulcanization with the adhesive end face portion of the other required width and length long rubber sheet A to produce the vertical and horizontal joint rubber sheet 1. The wide-width extended rubber sheet 2 is the adhesive end face portion 3 of the vertical-horizontal joint rubber sheet 1.
And the other bonded end face portion 3 of the vertical and horizontal joint rubber sheet 1 is created by pressure vulcanization bonding.

FIG. 2 is a schematic cross-sectional view for explaining the pulling of the wide-width extended rubber sheet 2 obtained by extending a plurality of vertical and horizontal joint rubber sheets 1 onto the water surface or into the water. The wide extension rubber sheets 2 are stacked and stored on the turbofan 4 having the air blowing tubes 26 installed at equal intervals in advance. Then, a rope fastened to a plurality of hooks (not shown) fixed to a plastic pipe 11 that also functions as a buoyancy float fixed to the leading end of the wide extended rubber sheet 2 is attached to a ship on the opposite shore or anchored. Tow with the provided chillfall or winch. Since the pulling width is as wide as around 100 US, it will be dragged and it will be difficult to pull. In order to eliminate this problem, the wide extension rubber sheet 2
On the ground, by using a turbo fan 4 in which a plurality of air blower tubes 26 are directly connected to the bottom of the wide extension rubber sheet 2 at regular intervals, air is blown between the wide extension rubber sheet 2 and concrete on the ground. It became possible to smoothly pull by providing the gap by the air B. In order to maintain buoyancy on the ground, a plurality of stretchable air columns 14 are fixedly attached to the wide extended rubber sheet 2 to hold the buoyancy in order to maintain the buoyancy of the wide extended rubber sheet 2 on the water surface. The air column 14 is filled with air. The wide stretchable rubber sheet 2 is towed and towed on the surface of the water by the air-tensioned tension column 14.

FIG. 3 is a schematic sectional view showing the relationship between the air blow pipe 26 directly connected to the turbofan 4 and the wide extension rubber sheet 2. The air buffer pipes 27 are fixed to the ground on both sides of the air blower pipes 26 directly connected to the turbofan 4, and the air cushion pipes 27 are tied together by the straps 30 to positively maintain the gap.

FIG. 4 is a schematic plan view showing the wide rubber sheet 2 and means for holding the wide rubber sheet 2 in a tensioned state. A plurality of chillfalls or winches equipped with a gathering wheel 29 gathered on a plurality of rope fastening bands 10 at the end to which the wide stretched rubber sheet 2 is towed is fastened at the tip of the tow tug rope 9 and the other end is attached to a ship on the opposite shore or anchored. In the case of towing and towing, only the float float floats in the non-tensioned state, and the wide extension rubber sheets 2 relax and gather in one place, making it impossible to specify the location. In order to specify a necessary place and to keep the wide stretched rubber sheet 2 in a tensioned state, the rope fastening bands 10 are gathered at the left and right (vertical) ends with respect to the towing direction. Gathering wheel 29
To conclude. Then, the suspension wheel 8 and the plurality of suspension ropes 7 installed on the tension holding pile 6 adjust the length to keep the tension state so as not to loosen. As the tow is pulled, the left and right suspension wheels 8 are manually inserted into the next pile 6. The suspension rope storage reel 31 is provided on the suspension wheel 8 of the pile 6 on the ground in the direction of towing and towing the wide extension rubber sheet 2 for towing and towing.
The wide extension rubber sheets 2 have two sets or three sets (a plurality of sets) whose ends are bonded to each other in the pulling direction on the water surface or in water, so that the tension holding piles 6 are provided with steps and are linearly fixed at two or three places. Provide at intervals. In the storage area where the wide extension rubber sheets 2 are stacked, the rope fastening band 10 is fixed to the end of the wide extension rubber sheets 2 in the trailing and towing direction, and the suspension rope 7 calculates the length to the work place. It is fastened to the suspension rope storage reel laid on the suspension wheel 8 in advance.

FIG. 5 is a schematic plan view showing a tensioned state of the wide extension rubber sheet 2 during towing and towing. In the figure, a plurality of vertical and horizontal joint rubber sheets 1 (not shown) are laminated to form a wide stretch rubber sheet 2. The length-and-horizontal joining rubber sheet 1 has a width of 8 to 12 rice and a length of 50 to 100 rice, and is determined by the shape of the final wide and long rubber sheet. A plastic pipe 11 having buoyancy is fixed by a plurality of fasteners 13 to the end of the towing portion of the wide extension rubber sheet 2 in the towing direction. Since the whole is towed, the fastener has a large area and is adhesively strong. Further, in order to improve the buoyancy of the plastic pipe 11, a plurality of plastic foams are fixed. Hook 17 of tow rope 9
Has the same function as the rope fastening band 10 (see FIG. 4), but may have any shape as long as it has strength. The tow rope 9 is towed by a plurality of chillfalls or winches provided on the opposite shore or anchored ship. The present invention will be described so that the following wide extension rubber sheet 2 does not relax during towing. Plastic pipes 11 having buoyancy are fixed to the left and right end portions of the wide extension rubber sheet 2 in the towing and towing direction with a fastener. It is also possible to use a plurality of plastic pipes 11 having a length of about 10 US. A plurality of rope fastening bands 10 are tied to the plastic pipes 11 at the left and right ends of the wide extension rubber sheet 2 with respect to the towing direction.
Several of these are gathered by the tow rope gathering wheels 29 and fixed while moving by the tension holding piles 6 in the left and right directions to hold the wide extension rubber sheet 2 in a tensioned state. Further, the plastic pipe is fixed to the tail end of the wide extension rubber sheet 2 in the direction of towing by a fastening device 13, and is pulled by a suspension rope holding reel attached to a tension holding pile 6 on the ground. Corresponding to. Thereby, the tension of the wide stretchable rubber sheet 2 is maintained in the four directions of the left, right, front and rear. Since tension cannot be maintained only in the four directions of left, right, front, and rear, in the present invention, in order to maintain more tension, the extension-type air column 14 is extended in a direction (lateral direction) perpendicular to the towing and towing direction (puller). ) 15 is used to bond and fix to the wide stretched rubber sheet 2, and the extension tension air column 14 and the other extension tension air column 14 are connected by the extension tension air column connector 16. The extension air column 14 is kept airtight on the surface of the water or immediately before towed underwater. That is, although the end portion of the wide stretched rubber sheet 2 can be tensioned by the plastic pipe 11, the inside (center portion) of the wide stretched rubber sheet 2 is kept in a tension state by the stretcher air column 14 in the lateral direction without being relaxed. The seat 2 can be easily towed on or under the surface of the water.

FIG. 6 is a schematic cross-sectional view of the extension-supporting air column 14, which is made of a rubber bag. The length is about 7 to 10 US and the diameter is selected so that the buoyancy can be maintained. The end portion 19 is bent as shown in FIG. 7 so that the end tightening tool 20 can maintain the airtight state. The extension air column 14 and the other extension air columns 14 connect the end bent portion 5 and the other end bent portion 5 to each other.
Fasten with 6. In addition, the stretchable air column 14 is fixed to the wide-width extending rubber sheet 2 and the fixing device 15 at a plurality of positions.

FIG. 8 is a plan development view of the puller 15, and FIG. 9 is an assembly view of the puller. The wide stretched rubber sheet 2 is firmly adhered by the adhesive portion 23, and the end bent portion 5 and the other end bent portion 5 are fastened by the string passed through the string passing hole 22.

FIG. 10 is a schematic cross-sectional view showing the adhesion between the adhesive end 21 of the wide-width extended rubber sheet 2 in the towing and towing direction and the adhesive end 21 of another wide-width extended rubber sheet 2. The adhesive end portion 21 of the wide stretched rubber sheet 2 is about 50 cm to about 1 US, and a margin of 50 cm or more is desirable from the adhesive end portion inward in terms of workability. Adhesion was performed based on the double-sided tape method, but is not limited to this. More specifically, when the wide-width extended rubber sheet 2 and another wide-width extended rubber sheet 2 are bonded to each other on the water surface or in water, the other wide-width extended rubber sheet that is in contact with the adhesive end face portion of the wide-width extended rubber sheet 2 in the pulling direction. When the adhesive end surface of No. 2 is adhered on the surface of water or in water, the wide extension rubber sheet 2 is released from tension, and the other end is fixed with a weight so that the adhesive end surface can be adhered in a relaxed state. The wide stretched rubber sheet 2 in contact is released from tension, and other portions are fixed by weights so that they can be bonded in a state where the bonded end surface portion is relaxed, and bonded on the water surface or in water.

[0023]

[Function] From the four directions of front and rear and left and right (vertical direction) of the direction of towing the water-impervious sheet (three directions of multiple chill-folds or winches and tension-holding piles), the perimeter of the water-impermeable sheet is tensioned. The buoyancy and the emplacement of the water-impervious sheet can be determined by connecting the extension columns to the left and right directions (vertical direction and lateral direction of the towing and towing direction) of the central portion of the water-impermeable sheet.

[0024]

EFFECT OF THE INVENTION A water-blocking sheet and another water-blocking sheet can be used simultaneously 4
Direction, (towed by multiple chillfalls or winches installed on two opposite banks or anchored vessels, 3 types of tension holding piles in 3 directions, or provided in different steps)
Since the buoyancy and the emplacement were confirmed by the joint of the extension air column in the central part and the central part, the positioning of the bond between the impermeable sheet and the adhering edge of another impermeable sheet became easy, and the method of towing and towing the impermeable sheet Also, it became possible to accurately bond the water blocking sheet.

[Brief description of drawings]

FIG. 1 is a schematic plan view of a vertical and horizontal joint rubber sheet.

FIG. 2 is a schematic cross-sectional view for explaining towing and towing of a wide extension rubber sheet on the water surface or into water.

FIG. 3 is a schematic cross-sectional view showing a relationship between a perforated air blower tube directly connected to a turbo fan and a wide extension rubber sheet.

FIG. 4 is a schematic plan view showing a means for maintaining a tension state of a wide extension rubber sheet.

FIG. 5 is a schematic plan view showing a tension state of the wide extension rubber sheet during towing and towing.

FIG. 6 is a schematic cross-sectional view of a stretched air column.

FIG. 7 is a schematic cross-sectional view showing airtight bending of an end portion of an extension-extended air column.

FIG. 8 is an exploded plan view of a puller.

FIG. 9 is an assembled perspective view of the puller.

FIG. 10 is a schematic cross-sectional view for explaining the bonding of the wide end extended rubber sheet bonding end portion.

[Explanation of symbols]

1 Vertical and horizontal joint rubber sheet 2 Wide extension rubber sheet 3 Vertical and horizontal joint rubber sheet adhesive end face 4 turbo fan 5 Stretched air column end bent part 6 Pile for maintaining tension 7 suspension rope 8 suspension wheels 9 tow rope 10 rope fastening belt 11 plastic pipes (buoyancy float) 12 plastic foam 13 Plastic pipe fasteners 14 Stretching air column 15 Stretcher air column anchor (puller) 16 Stretching air column connector 17 hook 18 Air inlet rubber 19 Stretching air column end 20 Extension tension air column end fastener 21 Adhesive end face of wide extended rubber sheet 22 String through hole 23 Adhesive part of rubber sheet of puller 24 double-sided tape 25 Double-sided tape adhesive protective paper 26 air blower 27 Air buffer tube 28 Required dimension Width Long rubber sheet Adhesive end face 29 Tow rope gathering wheels 30 lashing strings 31 Suspension rope storage reel A Required Width Rubber Sheet B Blower air

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-60-126413 (JP, A) JP-A-4-371607 (JP, A) JP-A-59-106611 (JP, A) JP-A-3- 144008 (JP, A) JP-B 54-24726 (JP, B2) JP-B 63-3091 (JP, B2) (58) Fields surveyed (Int.Cl. ⁷ , DB name) E02B 3/12 B29C 65 / 02 B29K 21:00 B29L 7:00

Claims (5)

(57) [Claims] 1. A chill-fall or winch equipped with a water-blocking sheet stacked on the ground at the water's edge on the opposite shore or anchored to the inside of the water-blocking sheet for towing to a predetermined position on the water . The impermeable sea
Fixed extension air column fixed vertically to the towing direction
After towing and towing, the impermeable sheet and other
Adhere the end surface of the water-blocking sheet on the water surface or in water to
Of the water-blocking sheet, which is characterized by widening the width of the sheet
How to wear. 2. When the towed tow of the stacked impermeable sheets is installed on a ship on the opposite shore or anchored by a chillfall or winch, a turbofan is provided directly below the impermeable sheets to correspond to the turbofan. The method for adhering a water-blocking sheet according to claim 1, wherein the air blow pipe is used to facilitate traction . 3. A towed mooring sheet provided on the waterfront in the left and right direction toward the towing direction when the towed piles of the water blocking sheets are towed by a chillfall or winch provided on the opposite shore or anchored ship. 3. The method for adhering a water-permeable sheet according to claim 1, wherein the water-impermeable sheet is towed under tension in a tension state with a rope or a rope equivalent . 4. The water barrier sheet is adhered side of the water shield sheet according to any one of claims 1 to 3, which is a wide overdue rubber sheet
Law. 5. When adhering an end surface portion of a water-impervious sheet to another water-impervious sheet on the water surface or in water, the impermeable sheet can be released at a predetermined position and the adhesive end surface portion can be adhered in a relaxed state. As shown in the figure, fix the end surface of the other impermeable sheet with a weight, and then release the tension of the other impermeable sheets that contact each other.
The method for adhering a water-permeable sheet according to any one of claims 1 to 4, wherein an end-face portion of another water-impervious sheet is fixed with a weight so that the adhesive end-face portion can be adhered in a relaxed state.