Winding type diaphragm wall joint filling bag

Abstract

The utility model discloses a winding type diaphragm wall joint filling bag which comprises an inner bag, a hanger, an expansion sleeve, a winding layer, a steel wire rope, a geotechnical cloth layer and a PVC single-layer cloth layer which are arranged from inside to outside. The expansion sleeve with the perimeter smaller than that of the inner bag is arranged on the outer side of the inner bag, so that the inner bag can be effectively shaped, and the strength is enhanced; the circumferential strength of the bag can be enhanced by winding multiple winding layers; by adopting the steel wire rope with small elastic modulus, the elastic deformation of the bag can be reduced, and meanwhile, the longitudinal strength of the bag is enhanced; the geotechnical cloth layer and the PVC single-layer cloth layer are combined together to form an outer protection layer, so that the internal structure of the bag body can be protected from being damaged; the manufacturing cost of the whole capsule is reduced to 1 / 3 of that in the prior art, and the construction efficiency is improved to 3 times of that in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of filling bag processing, in particular to a winding type ground-to-wall joint filling bag. Background Art

[0002] Filling bladders are used in on-site construction of special scenes such as underground continuous walls. Traditional filling bladders have high elongation, resulting in high production costs, low efficiency, and great construction difficulty, which affects the construction period. Therefore, it is urgent to provide a new type of filling bladder to reduce costs and improve construction efficiency and quality. Utility Model Content

[0003] In view of the above problems, the utility model provides a winding type ground-to-wall joint filling bag.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A winding type ground-connected wall joint filling bag comprises an inner bag, a suspension, an expansion sleeve, a winding layer, a steel wire rope, a geotextile layer and a PVC single-layer cloth layer arranged from the inside to the outside; wherein the winding layer comprises a polyester industrial filament layer I, a viscose layer I, a weighted fine sand layer, a viscose layer II and a polyester industrial filament layer II arranged in sequence.

[0006] As a preferred embodiment of the above scheme, flanges are installed at both ends of the bag body of the filling bag, a water injection valve and a pressure gauge are installed on the top, and a drain port is provided at the bottom.

[0007] As a preferred embodiment of the above scheme, more than three layers of reinforcing pads are reserved at both ends of the inner capsule, and the reinforcing pads extend into each layer of polyester industrial filament layer II respectively and penetrate into the capsule body for a length of more than 60 centimeters.

[0008] As a preferred embodiment of the above scheme, the suspension is provided with two, which are respectively adhered to the top and the middle position of the inner capsule, and are used to fix the inner capsule and the outer multi-layer material; the suspension includes a connecting rope and a fixed PVC film.

[0009] As a preferred embodiment of the above scheme, the circumference of the expansion sleeve is 20-30 cm smaller than the circumference of the inner bag.

[0010] As a preferred embodiment of the above scheme, the winding layer and the steel wire rope are both provided with at least three layers, and the two are stacked and staggered. The polyester industrial filament layer is wound circumferentially along the bladder through a winding machine. The steel wire rope is fixed to the flanges at both ends of the bladder and crimped with steel wire aluminum sleeves, and distributed in the axial direction of the bladder at a certain interval.

[0011] As a preferred embodiment of the above scheme, the adhesive layer I, the weighted fine sand layer and the adhesive layer II in each winding layer are installed in a 1-2 layer manner.

[0012] As a preferred embodiment of the above scheme, the number of the steel wire ropes is 18, which are evenly divided into 3 layers, with 6 wire ropes in each layer, each wire rope is spaced 60° apart, and the layers are rotated 20°.

[0013] As a preferred embodiment of the above scheme, the geotextile layer and the PVC single-layer fabric layer are sewn together to form an integrated outer protective layer, wherein the geotextile layer has no ends, and the PVC single-layer fabric layer is heat-sealed with sealed ends.

[0014] Due to the above structure, the beneficial effects of the utility model are:

[0015] The present application connects the inner capsule tightly with the outer multi-layer material by hanging, and can make the PVC inner capsule evenly stressed when the pressure of the capsule increases during on-site construction; by arranging an expansion sleeve with a circumference smaller than the circumference of the inner capsule on the outside of the inner capsule, the inner capsule can be effectively shaped and strengthened; by winding multiple layers of winding layers, the circumferential strength of the capsule can be enhanced; by using a steel wire rope with a small elastic modulus, the elastic deformation of the capsule can be reduced and the longitudinal strength of the capsule can be enhanced; by combining the geotextile layer and the single-layer PVC cloth layer together to form an outer protective layer, the internal structure of the capsule can be protected from damage; the overall production cost of the capsule is reduced to 1 / 3 of the prior art, and the construction efficiency is increased to 3 times of the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0017] Figure 1 It is a schematic diagram of the ladder structure of the utility model;

[0018] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0020] Figure 4 for Figure 3 Enlarged view of point B in the middle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings of the utility model to clearly and completely describe the technical solution of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 4As shown, a winding type ground-connected wall joint filling bag includes an inner bag 1, a suspension, an expansion sleeve 2, a winding layer, a steel wire rope, a geotextile layer 9 and a PVC single-layer cloth layer 10 arranged from the inside to the outside; wherein the winding layer includes a polyester industrial filament layer I3, a viscose layer I4, a weighted fine sand layer 5, a viscose layer II6, and a polyester industrial filament layer II7 arranged in sequence. Flanges are installed at both ends of the bag body of the filling bag, a water injection valve and a pressure gauge are installed on the top, and a drainage port is provided at the bottom.

[0023] Specific:

[0024] The innermost layer is a PVC inner bladder layer 1, which is particularly important for the formation of the filling bladder. More than three layers of reinforcing pads 11 are reserved at both ends of the inner bladder 1, and the reinforcing pads 11 extend into each layer of polyester industrial filament layer II 7, and penetrate into the bladder body for more than 60 cm.

[0025] The suspension is provided with two, which are respectively attached to the top and the middle of the inner capsule 1, and are used to fix the inner capsule 1 and the outer multilayer material, and make the PVC inner capsule 1 evenly stressed when the pressure of the capsule body increases during on-site construction. The suspension includes a connecting rope and a fixed PVC film, the connecting rope is fixed by bonding the fixed PVC film, and the inner capsule 11 is connected and fixed to the outer multilayer material by the connecting rope.

[0026] The circumference of the expansion sleeve 2 is 20-30 cm smaller than the circumference of the inner bag 1 and is used for shaping and strengthening the inner bag 1. The expansion sleeve 2 can also be repeatedly installed in multiple layers as needed.

[0027] The winding layer and the steel wire rope are both provided with at least three layers, and the two are stacked and staggered, that is, the overall structure is: inner bag 1--expansion sleeve 2--first layer of polyester industrial filament layer Ⅰ3--first layer of viscose layer Ⅰ4--first layer of weighted fine sand layer 5--first layer of viscose layer Ⅱ6--first layer of polyester industrial filament layer Ⅱ7--first layer of reinforcing pad 11--first layer of steel wire rope 8--second layer of polyester industrial filament layer Ⅰ3--second layer of viscose layer Ⅰ4--second layer The weighted fine sand layer 5--the second layer of viscose layer II6--the second layer of polyester industrial filament layer II7--the second layer of reinforcing pad 11--the second layer of steel wire rope 8--the third layer of polyester industrial filament layer I3--the third layer of viscose layer I4--the third layer of weighted fine sand layer 5--the third layer of viscose layer II6--the third layer of polyester industrial filament layer II7--the third layer of reinforcing pad 11--the third layer of steel wire rope 8--the outer protective layer (geotextile layer 9, PVC single-layer cloth layer 10). Among them: the polyester industrial filament layer is wound around the bladder body by a winding machine, and the number of windings is at least 6 layers, which is used to enhance the circumferential strength; the steel wire rope is fixed to the flanges at both ends of the bladder body, and is crimped with steel wire aluminum sleeves, and is distributed in the axial direction of the bladder body at a certain interval to enhance the longitudinal strength. In this embodiment, the adhesive layer I4, the weighted fine sand layer 5, and the adhesive layer II6 in each winding layer are installed in a 1-2 layer manner (i.e., spraying adhesive, weighted sand, and spraying adhesive are repeated 2 times, or only 1 time is required). In this embodiment, the number of the steel wire ropes is 18, which are evenly divided into 3 layers, with 6 wire ropes in each layer, each wire rope is spaced 60 degrees apart, and the layers are rotated 20 degrees between each layer.

[0028] The geotextile layer 9 and the PVC single-layer fabric layer 10 are sewn together to form an integrated outer protective layer, which plays a protective and wear-resistant role. The geotextile layer 9 has no ends, and the PVC single-layer fabric layer 10 is heat-sealed with a sealing end.

[0029] This embodiment tightly connects the inner capsule 1 with the outer multi-layer material by hanging, and at the same time can make the PVC inner capsule 1 evenly stressed when the pressure of the capsule body increases during on-site construction; by arranging the expansion sleeve 2 with a circumference smaller than the circumference of the inner capsule 1 on the outside of the inner capsule 1, the inner capsule 1 can be effectively shaped and strengthened; by winding multiple layers of winding layers, the circumferential strength of the capsule can be enhanced; by using a steel wire rope 8 with a small elastic modulus, the elastic deformation of the capsule can be reduced and the longitudinal strength of the capsule can be enhanced; by combining the geotextile layer 9 and the PVC single-layer cloth layer 10 together to form an outer protective layer, the internal structure of the capsule body can be protected from damage; the overall production cost of the capsule is reduced to 1 / 3 of the existing technology, and the construction efficiency is increased to 3 times of the existing technology.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A winding type ground-wall joint filling bag, characterized in that: It includes an inner bag, a suspension, an expansion sleeve, a winding layer, a steel wire rope, a geotextile layer and a PVC single-layer cloth layer arranged from the inside to the outside; wherein the winding layer includes a polyester industrial filament layer I, a viscose layer I, a weighted fine sand layer, a viscose layer II, and a polyester industrial filament layer II arranged in sequence.

2. A wrap-around ground-wall joint filling bag according to claim 1, characterized in that: Flanges are installed at both ends of the bladder body of the filling bladder, a water injection valve and a pressure gauge are installed on the top, and a drainage port is arranged at the bottom.

3. The winding type ground-wall joint filling bag according to claim 1 is characterized in that: More than three layers of reinforcing pads are reserved at both ends of the inner bag, and the reinforcing pads extend into each layer of polyester industrial filament layer II respectively and penetrate into the bag body for a length of more than 60 centimeters.

4. The winding type ground-wall joint filling bag according to claim 1 is characterized in that: The suspension is provided with two, which are respectively attached to the top and the middle position of the inner capsule, and are used to fix the inner capsule and the outer multi-layer material; the suspension includes a connecting rope and a fixed PVC film.

5. The winding type ground-wall joint filling bag according to claim 1, characterized in that: The circumference of the expansion sleeve is 20-30 cm smaller than the circumference of the inner bag.

6. The winding type ground-wall joint filling bag according to claim 1, characterized in that: The winding layer and the steel wire rope are both provided with at least three layers, and the two are stacked and staggered. The polyester industrial filament layer is wound circumferentially along the bladder through a winding machine. The steel wire rope is fixed to the flanges at both ends of the bladder and crimped with steel wire aluminum sleeves, and is distributed in the axial direction of the bladder at a certain interval.

7. A winding type ground-wall joint filling bag according to claim 1 or 6, characterized in that: The adhesive layer I, the weighted fine sand layer and the adhesive layer II in each winding layer are installed in a 1-2 layer manner.

8. A winding type ground-wall joint filling bag according to claim 1 or 6, characterized in that: The number of the steel wire ropes is 18, which are evenly divided into 3 layers, with 6 wire ropes in each layer, each wire rope is spaced 60 degrees apart, and the layers are rotated 20 degrees.

9. The winding type ground-wall joint filling bag according to claim 1, characterized in that: The geotextile layer and the PVC single-layer fabric layer are sewn together to form an integrated outer protective layer, wherein the geotextile layer has no ends, and the PVC single-layer fabric layer is heat-sealed with sealing ends.

Images