Film bag slurry blocking wall

Abstract

The utility model provides a film bag slurry blocking wall. The film bag slurry blocking wall comprises a slurry blocking wall body and a mounting base, the slurry blocking wall body comprises a plurality of groups of unit film bags which are sequentially connected along a first direction, each group of unit film bags comprises a plurality of unit film bags which are sequentially connected along a second direction, each unit film bag is provided with a grouting hole for injecting a filling material into the unit film bag, and each unit film bag is made of a high-density polyethylene material; the mounting base is used for being mounted on a roadway bottom plate, and the mounting base is provided with a mounting cavity used for containing at least part of the slurry blocking wall body; wherein the first direction and the second direction are perpendicular to each other, and then the slurry blocking wall composed of the multiple prefabricated unit film bags is suitable for roadway sections of different sizes, so that the problem that in the prior art, the slurry blocking wall is difficult to adapt to the roadway sections of different sizes, and consequently the filling operation efficiency is low is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine filling mining, in particular to a membrane bag slurry retaining wall. Background Art

[0002] At present, backfill mining has become an important technology in the coal industry. It can not only effectively utilize coal gangue, mine tailings and industrial waste to reduce environmental pollution, but also control surface subsidence, improve coal recovery rate, solve the problem of coal compression under "three under" (under buildings, under railways, and under water bodies), and realize green and sustainable mineral resource mining. Efficient lane filling technology divides the longwall working face into strip branch lanes and adopts a method of separate mining and backfilling to achieve synchronous mining and filling, thereby improving mining efficiency. When performing backfilling operations with paste or paste-like materials, the setting of slurry retaining walls is crucial to sealing both ends of the branch lanes and preventing the backfill material from leaking into the unfilled area.

[0003] However, existing retaining wall technologies, such as reinforced concrete, brick masonry, steel wire mesh, wood construction, and flexible bag retaining walls, although they meet the sealing requirements of filling operations to a certain extent, generally have the following problems:

[0004] First, it is difficult to adapt to different tunnel cross-sectional sizes, the preparatory work before construction is complicated, and it is difficult to quickly adjust to changes in tunnel size; secondly, the labor intensity of construction workers is high, especially when the tunnel size changes frequently, the wall production and installation require more manpower and time, which reduces construction efficiency; thirdly, due to the fixed wall size and large amount of material used, the project cost is high, especially when the tunnel size needs to be adjusted frequently, the material and labor costs will increase significantly; finally, due to improper joint treatment, the slurry retaining wall is prone to slurry running and leakage when it bears the pressure of the filling material, affecting the safety and efficiency of the filling operation. Utility Model Content

[0005] The main purpose of the utility model is to provide a method to solve the problem in the prior art that the paddle retaining wall is difficult to adapt to different tunnel cross-sectional sizes, resulting in low filling operation efficiency.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a membrane bag slurry retaining wall is provided, comprising: a slurry retaining wall body, comprising a plurality of groups of unit membrane bags connected in sequence along a first direction, each group of unit membrane bags comprising a plurality of unit membrane bags connected in sequence along a second direction, each unit membrane bag being provided with a grouting hole for injecting filling material into the unit membrane bag, and the unit membrane bag being made of high-density polyethylene material; a mounting base for mounting on the bottom plate of the tunnel, the mounting base having a mounting cavity for accommodating at least part of the slurry retaining wall body; wherein the first direction and the second direction are arranged perpendicular to each other.

[0007] Furthermore, each unit membrane bag is provided with at least two mounting protrusions and at least two mounting grooves. The at least two mounting protrusions and the at least two mounting grooves are arranged in a one-to-one correspondence and are distributed along the first direction and the second direction respectively. The mounting protrusions and the mounting grooves can be connected to each other in a cooperative manner.

[0008] Furthermore, each mounting protrusion is provided with a plurality of guide holes at intervals along its circumferential direction, and a limiting component is movably provided in each guide hole along its extension direction. The inner wall of each mounting groove is provided with a plurality of limiting holes at intervals along its circumferential direction, and one end of the limiting component can be movably extended into the limiting hole.

[0009] Furthermore, the limiting component includes a limiting rod and an elastic member, one end of the limiting rod is connected to the hole wall of the guide hole through the elastic member, and the other end of the limiting rod has a mating surface facing the side of the installation groove; wherein, the mating surface is an inclined surface or an arc surface.

[0010] Furthermore, the mounting base includes: a support seat, including a bottom plate and at least four support plates, at least four support plates are respectively connected to the bottom plate in the circumferential direction of the bottom plate to form an installation cavity, and a group of unit membrane bags located at the bottom of the slurry retaining wall body are arranged in the installation cavity; connecting parts are respectively passed through the bottom plate and the tunnel bottom plate in sequence.

[0011] Furthermore, a sealing member is provided on one end of each mounting protrusion away from the unit membrane bag, and the sealing member is arranged to be expandable.

[0012] Furthermore, the sealing member is made of rubber material; and / or the thickness H1 of the sealing member satisfies: 8 mm ≤ H1 ≤ 12 mm.

[0013] Furthermore, the length L of the unit membrane bag satisfies: 1m≤L≤1.5m; and / or, the width W of the unit membrane bag satisfies: 1m≤W≤1.5m; and / or, the thickness H2 of the unit membrane bag satisfies: 0.3m≤H2≤0.5m.

[0014] Furthermore, the diameter R of the grouting hole satisfies: 25mm≤R≤35mm.

[0015] Furthermore, the filling material includes cement, silicate, calcium chloride or water glass.

[0016] Applying the technical solution of the utility model, a membrane bag slurry retaining wall is provided, including a slurry retaining wall body and a mounting base; the slurry retaining wall body includes a plurality of groups of unit membrane bags connected in sequence along a first direction, each group of unit membrane bags includes a plurality of unit membrane bags connected in sequence along a second direction, each unit membrane bag is provided with a grouting hole for injecting filling material into the unit membrane bag, and the unit membrane bag is made of high-density polyethylene material; the mounting base is used to be installed on the bottom plate of the tunnel, and the mounting base has a mounting cavity for accommodating at least part of the slurry retaining wall body; wherein the first direction and the second direction are arranged perpendicular to each other.

[0017] In this way, by flexibly connecting multiple unit membrane bags along the first direction and the second direction, the slurry retaining wall body can adapt to changes in the cross-sectional dimensions of different tunnels, and by embedding the slurry retaining wall body after the filling material is injected into the installation base, and fixing the installation base to the tunnel bottom rock layer, the stability of the slurry retaining wall body is ensured. No complicated pre-construction preparation work is required, and it can be quickly adjusted to match the actual size of the tunnel. At the same time, the modular design of the unit membrane bag reduces the labor intensity of the construction personnel, especially in an environment where the tunnel size changes frequently, the wall production and installation become faster, and the construction efficiency is significantly improved. In addition, the unit membrane bag made of high-density polyethylene material has good corrosion resistance, wear resistance and strength, and is suitable for long-term use in coal mine filling and mining environments. This solves the problem in the prior art that the slurry retaining wall is difficult to adapt to the cross-sectional dimensions of different tunnels, resulting in low filling operation efficiency, and reduces material waste and high labor costs caused by fixed wall size, saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting part of this application are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0019] Figure 1 The figure shows the overall structure of the membrane bag slurry retaining wall according to the embodiment of the present invention;

[0020] Figure 2 A schematic structural diagram of a group of unit membrane bags provided according to an embodiment of the membrane bag slurry retaining wall of the present invention is shown;

[0021] Figure 3 A schematic structural diagram of the assembly of the mounting protrusion and the mounting groove provided in the embodiment of the membrane bag slurry retaining wall according to the present invention is shown.

[0022] The above drawings include the following reference numerals:

[0023] 10. Slurry retaining wall body; 11. Unit membrane bag; 110. Grouting hole; 12. Mounting protrusion; 120. Guide hole; 13. Mounting groove; 130. Limiting hole; 14. Limiting component; 140. Limiting rod; 140a. Matching surface; 141. Elastic component; 15. Sealing component; 20. Mounting base; 21. Mounting cavity; 22. Support seat; 220. Bottom plate; 221. Support plate; 23. Connecting component. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] In order to solve the problem in the prior art that the slurry retaining wall is difficult to adapt to different tunnel cross-sectional sizes, resulting in low filling efficiency, the utility model provides a membrane bag slurry retaining wall.

[0026] Please refer to Figures 1 to 3 As shown, the utility model provides a membrane bag slurry retaining wall, including a slurry retaining wall body 10 and a mounting base 20; the slurry retaining wall body 10 includes a plurality of groups of unit membrane bags 11 connected in sequence along a first direction, each group of unit membrane bags 11 includes a plurality of unit membrane bags 11 connected in sequence along a second direction, each unit membrane bag 11 is provided with a grouting hole 110 for injecting filling material into the unit membrane bag 11, and the unit membrane bag 11 is made of high-density polyethylene material; the mounting base 20 is used to be installed on the bottom plate 220, and the mounting base 20 has a mounting cavity 21 for accommodating at least part of the slurry retaining wall body 10; wherein the first direction and the second direction are arranged perpendicular to each other.

[0027] Applying the technical solution of this embodiment, multiple unit membrane bags 11 are flexibly interconnected along first and second directions, enabling the slurry retaining wall body 10 to adapt to changes in the cross-sectional dimensions of different roadways. Furthermore, by embedding the slurry retaining wall body 10, after injection of filling material, into the mounting base 20 and securing the mounting base 20 to the rock formation of the base plate 220, the stability of the slurry retaining wall body 10 is ensured. Complex pre-construction preparation is unnecessary, and the slurry retaining wall body 10 can be quickly adjusted to match the actual dimensions of the roadway. Furthermore, the modular design of the unit membrane bags 11 reduces the labor intensity of construction personnel, especially in environments where roadway dimensions frequently change. Wall fabrication and installation are expedited, significantly improving construction efficiency. Furthermore, the unit membrane bags 11, made of high-density polyethylene (HDPE) material, possess excellent corrosion resistance, wear resistance, and strength, making them suitable for long-term use in coal mine backfill mining environments. This solves the problem of conventional slurry retaining walls being difficult to adapt to different roadway cross-sectional dimensions, resulting in low filling efficiency. It also reduces material waste and high labor costs associated with fixed wall dimensions, saving costs.

[0028] In this embodiment, each unit membrane bag 11 is provided with at least two mounting protrusions 12 and at least two mounting grooves 13. The at least two mounting protrusions 12 and the at least two mounting grooves 13 are arranged in a one-to-one correspondence and are distributed along the first direction and the second direction respectively. The mounting protrusions 12 and the mounting grooves 13 can be connected to each other in a cooperative manner. Through the above-mentioned arrangement, the connection between a unit membrane bag 11 and the adjacent unit membrane bags 11 along the first direction and the second direction is made more secure, which can effectively resist the pressure of the filling material and prevent the unit membrane bag 11 from being displaced or separated under high pressure to form a slurry retaining wall body 10 for adapting to different tunnel cross-sectional dimensions, and improve the overall structural stability of the slurry retaining wall body 10. At the same time, the gaps at the joints of each unit membrane bag 11 can be significantly reduced, the risk of slurry running and leakage can be reduced, the sealing of the filling operation can be ensured, and the unfilled area can be protected from the influence of slurry leakage. In addition, this structural design does not require additional fixing tools or complex alignment, which greatly simplifies the assembly process of the slurry retaining wall body 10 and reduces the construction difficulty and time cost.

[0029] It should be noted that after the filling material is injected into the unit membrane bag 11 through the grouting hole 110, the hole needs to be sealed with a grouting cap.

[0030] In an exemplary embodiment of the present application, the length of the mounting protrusion 12 is not less than 250 mm and the width is not less than 150 mm, and the corresponding mounting groove 13 has a depth of not less than 250 mm and a width of not less than 150 mm.

[0031] like Figure 3As shown, each mounting protrusion 12 is provided with a plurality of guide holes 120 at intervals along its circumferential direction, and a limiting component 14 is movably provided in each guide hole 120 along its extension direction. The inner wall of each mounting groove 13 is provided with a plurality of limiting holes 130 at intervals along its circumferential direction, and one end of the limiting component 14 is movably extended into the limiting hole 130. Through the above arrangement, when controlling a unit membrane bag 11 to be assembled and connected with its adjacent unit membrane bag 11, the limiting component 14 on each mounting protrusion 12 moves into the guide hole 120. When the mounting protrusion 12 extends into the guide hole 120 and the limiting hole 130 in the mounting groove 13 is correspondingly provided, at least a portion of the limiting component 14 moves from the guide hole 120 into the limiting hole 130, so as to realize the mutual fixed connection between the mounting protrusion 12 and the mounting groove 13, that is, to realize the fixed connection between the two adjacent unit membrane bags 11. This further enhances the strength and stability of the connection between the unit membrane bags 11 and effectively prevents the unit membrane bags 11 from being dislocated or disengaged under the pressure of the filling material, thereby improving the overall structural strength of the slurry retaining wall body 10. At the same time, the role of the limiting component 14 at the connection is not limited to mechanical fixation, but also assists in sealing. The cooperation of the limiting component 14 can ensure close contact between the mounting protrusion 12 and the mounting groove 13, reducing the gap at the connection, thereby reducing slurry leakage and improving the sealing performance of the slurry retaining wall body 10.

[0032] Specifically, the limiting component 14 includes a limiting rod 140 and an elastic member 141. One end of the limiting rod 140 is connected to the wall of the guide hole 120 via the elastic member 141. The other end of the limiting rod 140 has a mating surface 140a facing the mounting groove 13. The mating surface 140a is an inclined or curved surface. The combination of the limiting rod 140 and the elastic member 141 provides a self-locking function within the limiting hole 130. The elastic member 141 provides a preload force so that when the mounting protrusion 12 is mated with the mounting groove 13, the mounting protrusion 12 drives the mating surface 140a of the limiting rod 140 to contact the edge of the notch of the mounting groove 13. Driven by the mounting protrusion 12, the limiting rod 140 is forced to press against the elastic member 141, and the limiting rod 140 is then retracted within the guide hole 120, allowing the mounting protrusion 12 to extend into the mounting groove 13. When the mounting protrusion 12 moves to the point where the guide hole 120 on it is aligned with the limiting hole 130 in the mounting groove 13, the elastic member 141 returns and drives the limiting rod 140 to extend into the limiting hole 130, thereby achieving mating connection between the mounting protrusion 12 and the mounting groove 13. This improves the connection stability of the overall structure, allows for quick connection, and thus improves construction efficiency.

[0033] In this embodiment, the elastic member 141 is a spring.

[0034] like Figure 1As shown, the mounting base 20 includes a support seat 22 and a connecting component 23; the support seat 22 includes a bottom plate 220 and at least four support plates 221, and the at least four support plates 221 are respectively connected to the bottom plate 220 in the circumferential direction of the bottom plate 220 to enclose a mounting cavity 21, and a group of unit membrane bags 11 located at the bottom of the slurry retaining wall body 10 are arranged in the mounting cavity 21; the connecting component 23 is respectively passed through the bottom plate 220 and the bottom plate 220 in sequence. Through the above-mentioned arrangement, the support seat 22 forms a stable mounting cavity 21, which can provide reliable support for the unit membrane bag 11 to ensure that the slurry retaining wall body 10 maintains structural stability during the filling operation and will not be displaced or tipped over due to the slurry pressure. At the same time, this design reduces the direct contact between the unit membrane bag 11 and the bottom plate 220, avoids slurry leakage caused by uneven ground or gaps, and enhances the sealing performance of the slurry retaining wall body 10. The connecting parts 23 are respectively passed through the bottom plate 220 of the support seat 22 and the bottom plate 220 in sequence, which simplifies the installation process of the slurry retaining wall body 10. Without the need for additional supporting structures or tools, construction workers can quickly fix the slurry retaining wall body 10 on the bottom plate 220, thereby improving installation efficiency.

[0035] In this embodiment, the connecting member 23 is an anchor rod or a bolt. The support base 22 is made of steel; the width of the base plate 220 is 0.3-0.5m, the height of the support plate 221 is not less than 0.3m, and the thickness of the support plate 221 and the base plate 220 is not less than 10mm.

[0036] In the present application, a seal 15 is provided on the end of each mounting protrusion 12 facing away from the unit membrane bag 11. The seal 15 is configured to expand. This configuration allows the seal 15 to expand upon contact with water, with an expansion ratio of 5-8 times. When adjacent unit membrane bags 11 are connected, the expandable seal 15 fills the gap between the mounting protrusion 12 and the mounting groove 13. As the filling material is injected, the seal 15 further expands, tightly fitting the connection interface, significantly reducing the risk of slurry leakage and improving the sealing performance of the slurry retaining wall body 10. Furthermore, in environments such as coal mine backfill mining, the surface of the slurry retaining wall body 10 may not be completely flat. The expandable seal 15 can adapt to this uneven surface, filling the gaps through its own expansion, ensuring a good sealing effect even under less-than-ideal contact conditions. Furthermore, the expansion of the seal 15 increases the friction between the unit membrane bags 11, thereby improving the overall structural stability of the slurry retaining wall body 10, making it more sturdy and less prone to displacement or deformation when subjected to the pressure of the filling material.

[0037] In this embodiment, the sealing member 15 is made of rubber material and the sealing member 15 is connected to the mounting protrusion 12 by hot melt welding.

[0038] Optionally, the thickness H1 of the seal 15 satisfies the following conditions: 8mm≤H1≤12mm. Through the above arrangement, since the thickness of the seal 15 directly affects its sealing effect after expansion, within this thickness range, the seal 15 can fully expand under the pressure of the filling material, effectively filling the connecting gaps between adjacent unit membrane bags 11 and ensuring the sealing performance of the slurry retaining wall body 10 when subjected to high-pressure filling materials. At the same time, this thickness range takes into account both sealing and mechanical strength, ensuring the structural stability and durability of the seal 15 in its expanded state, preventing rupture or failure under high-pressure environments, and thereby improving the long-term reliability and safety of the slurry retaining wall body 10.

[0039] In this embodiment, the length L of the unit membrane bag 11 satisfies: 1m≤L≤1.5m; the width W of the unit membrane bag 11 satisfies: 1m≤W≤1.5m; the thickness H2 of the unit membrane bag 11 satisfies: 0.3m≤H2≤0.5m. Through the above-mentioned settings, it is ensured that the unit membrane bag 11 has sufficient strength and stability when bearing the pressure of the filling material. The thickness H2 is controlled between 0.3m and 0.5m, which provides the necessary structural support for the unit membrane bag 11 to prevent deformation or rupture under high-pressure environment. At the same time, the length and width are limited to the range of 1m to 1.5m, so that the unit membrane bag 11 can maintain a sufficient size to meet the sealing needs of the slurry retaining wall, but not be too large, which is convenient for transportation, installation and adjustment in narrow tunnels, and convenient for assembly of multiple unit membrane bags 11 to adapt to different tunnel cross-sectional dimensions.

[0040] In this embodiment, the aperture R of the grouting hole 110 satisfies the following conditions: 25 mm ≤ R ≤ 35 mm. Thus, the size of the aperture directly affects the injection speed of the filling material, ensuring that the slurry can be injected into the unit membrane bag 11 at a sufficiently fast speed, improving the efficiency of the filling operation and shortening the construction period. Furthermore, a larger aperture can reduce the risk of particulate matter in the filling material clogging the grouting hole 110. At the same time, a reasonable aperture size helps control the pressure during the injection process, avoiding excessive pressure due to an overly small aperture, which can damage the unit membrane bag 11 or cause leakage of the filling material from weak points.

[0041] In this application, the filling material includes cement, silicate, calcium chloride, or water glass. This arrangement allows for the calcium chloride slurry to exhibit excellent fluidity, making it suitable for filling irregular or minute gaps. Water glass, on the other hand, exhibits excellent adhesion and corrosion resistance, making it suitable for acidic or corrosive environments. Calcium chloride or water glass can be used as an accelerator, with the dosage of 3-5% of the cement used, to accelerate the setting of the unit membrane bag 11 after the slurry is injected.

[0042] In this application, the specific construction includes the following specific steps:

[0043] S1: The connecting component 23 is passed through the mounting base 20 and driven into the rock formation of the bottom plate 220;

[0044] S2: First, a group of unit membrane bags 11 are installed as the bottom layer into the installation cavity 21 of the installation base 20, and the filling material is injected into each unit membrane bag 11 through the grouting hole 110. After the grouting is completed, the grouting hole 110 is sealed with a grouting cap;

[0045] S3: After the filling material in the unit membrane bag 11 solidifies, the remaining groups of unit membrane bags 11 are connected in sequence and connected to a group of unit membrane bags 11 at the bottom layer in the installation cavity 21. After the installation is completed, the filling material is poured and further waited for solidification to form the slurry retaining wall body 10.

[0046] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0047] The membrane bag retaining wall comprises a retaining wall body 10 and a mounting base 20. The retaining wall body 10 comprises a plurality of groups of unit membrane bags 11 connected in sequence along a first direction, each group of unit membrane bags 11 comprising a plurality of unit membrane bags 11 connected in sequence along a second direction, each unit membrane bag 11 being provided with a grouting hole 110 for injecting filling material into the unit membrane bag 11, and the unit membrane bag 11 being made of high-density polyethylene. The mounting base 20 is used to be installed on a base plate 220, and the mounting base 20 has a mounting cavity 21 for accommodating at least part of the retaining wall body 10. The first direction and the second direction are arranged perpendicular to each other. In this way, by flexibly connecting the plurality of unit membrane bags 11 in the first direction and the second direction, the retaining wall body 10 can adapt to changes in the cross-sectional dimensions of different tunnels, and by embedding the retaining wall body 10 after the filling material is injected into the mounting base 20 and fixing the mounting base 20 to the rock formation of the base plate 220, the stability of the retaining wall body 10 is ensured. There is no need for complicated pre-construction preparations, and it can be quickly adjusted to match the actual size of the tunnel. At the same time, the modular design of the unit membrane bag 11 reduces the labor intensity of construction workers, especially in an environment where the tunnel size changes frequently, the wall production and installation become faster, and the construction efficiency is significantly improved. In addition, the unit membrane bag 11 made of high-density polyethylene material has good corrosion resistance, wear resistance and strength, and is suitable for long-term use in coal mine filling and mining environments. This solves the problem in the prior art that the paddle wall is difficult to adapt to different tunnel cross-sectional dimensions, resulting in low filling operation efficiency, and reduces material waste and high labor costs caused by fixed wall dimensions, saving costs.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] Unless otherwise specifically stated, the relative arrangement of the parts and steps, the numerical expressions and the numerical values ​​set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as being merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0050] In the description of the present invention, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0051] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0052] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A membrane bag slurry retaining wall, characterized in that: include: A slurry retaining wall body (10) comprises a plurality of groups of unit membrane bags (11) connected in sequence along a first direction, each group of the unit membrane bags (11) comprises a plurality of unit membrane bags (11) connected in sequence along a second direction, each of the unit membrane bags (11) is provided with a grouting hole (110) for injecting filling material into the unit membrane bag (11), and the unit membrane bag (11) is made of high-density polyethylene material; A mounting base (20) is used for mounting on a roadway floor, wherein the mounting base (20) has a mounting cavity (21) for accommodating at least a portion of the slurry retaining wall body (10); The first direction and the second direction are arranged perpendicular to each other.

2. The membrane bag slurry retaining wall according to claim 1, characterized in that: Each of the unit membrane bags (11) is provided with at least two mounting protrusions (12) and at least two mounting grooves (13), and the at least two mounting protrusions (12) and the at least two mounting grooves (13) are arranged in a one-to-one correspondence and are distributed along the first direction and the second direction respectively, and the mounting protrusions (12) and the mounting grooves (13) can be connected to each other in a cooperative manner.

3. The membrane bag slurry retaining wall according to claim 2, characterized in that: Each of the mounting protrusions (12) is provided with a plurality of guide holes (120) at intervals along its circumferential direction, and a limiting component (14) is movably provided in each of the guide holes (120) along its extension direction. The inner wall of each of the mounting grooves (13) is provided with a plurality of limiting holes (130) at intervals along its circumferential direction, and one end of the limiting component (14) is movably extended into the limiting hole (130).

4. The membrane bag slurry retaining wall according to claim 3, characterized in that: The limiting component (14) comprises a limiting rod (140) and an elastic member (141); one end of the limiting rod (140) is connected to the hole wall of the guide hole (120) via the elastic member (141); the other end of the limiting rod (140) has a mating surface (140a) facing the side of the mounting groove (13); Wherein, the matching surface (140a) is an inclined surface or an arc surface.

5. The membrane bag slurry retaining wall according to claim 1, characterized in that: The mounting base (20) comprises: A support seat (22) comprises a bottom plate and at least four support plates (221), wherein the at least four support plates (221) are respectively connected to the bottom plate in a circumferential direction of the bottom plate to enclose the installation cavity (21), and a group of the unit membrane bags (11) located at the bottom of the slurry retaining wall body (10) are arranged in the installation cavity (21); The connecting components (23) are respectively and sequentially arranged on the bottom plate and the tunnel bottom plate.

6. The membrane bag slurry retaining wall according to claim 2, characterized in that: A sealing member (15) is provided on one end of each mounting protrusion (12) away from the unit membrane bag (11), and the sealing member (15) is expandably arranged.

7. The membrane bag slurry retaining wall according to claim 6, characterized in that: The sealing member (15) is made of rubber material; and / or, The thickness H1 of the sealing member (15) satisfies: 8 mm ≤ H1 ≤ 12 mm.

8. The membrane bag slurry retaining wall according to claim 1, characterized in that: The length L of the unit film bag (11) satisfies: 1m≤L≤1.5m; and / or, The width W of the unit film bag (11) satisfies: 1m≤W≤1.5m; and / or, The thickness H2 of the unit film bag (11) satisfies: 0.3m≤H2≤0.5m.

9. The membrane bag slurry retaining wall according to claim 1, characterized in that: The hole diameter R of the grouting hole (110) satisfies: 25 mm ≤ R ≤ 35 mm.

10. The membrane bag slurry retaining wall according to claim 1, characterized in that: The filling material includes cement, silicate, calcium chloride or water glass.

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