CN111828093A - Enclosed wall - Google Patents

Enclosed wall Download PDF

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Publication number
CN111828093A
CN111828093A CN202010529780.4A CN202010529780A CN111828093A CN 111828093 A CN111828093 A CN 111828093A CN 202010529780 A CN202010529780 A CN 202010529780A CN 111828093 A CN111828093 A CN 111828093A
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CN
China
Prior art keywords
flexible mold
wall body
wall
mold bag
pipe
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Granted
Application number
CN202010529780.4A
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Chinese (zh)
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CN111828093B (en
Inventor
刘跃东
王东攀
刘超儒
郭子程
付占国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Gaohe Energy Co ltd
Shouyang Hengyuan Coal Industry Co ltd
Ccteg Coal Mining Research Institute Co ltd
Tiandi Science and Technology Co Ltd
Original Assignee
Shanxi Gaohe Energy Co ltd
Shouyang Hengyuan Coal Industry Co ltd
Ccteg Coal Mining Research Institute Co ltd
Tiandi Science and Technology Co Ltd
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Application filed by Shanxi Gaohe Energy Co ltd, Shouyang Hengyuan Coal Industry Co ltd, Ccteg Coal Mining Research Institute Co ltd, Tiandi Science and Technology Co Ltd filed Critical Shanxi Gaohe Energy Co ltd
Priority to CN202010529780.4A priority Critical patent/CN111828093B/en
Publication of CN111828093A publication Critical patent/CN111828093A/en
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Publication of CN111828093B publication Critical patent/CN111828093B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/103Dams, e.g. for ventilation

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Building Environments (AREA)

Abstract

The invention relates to the technical field of coal mine controlled ventilation, in particular to a sealing wall which comprises a filling wall body and two flexible mold bag wall bodies, wherein the two flexible mold bag wall bodies are sequentially arranged along the extending direction of a roadway and are parallel to each other, the filling wall body is positioned between the two flexible mold bag wall bodies, the filling wall body comprises a first material, the flexible mold bag wall bodies comprise flexible mold bags and a second material, the flexible mold bags are filled with the second material, the first material and the second material have the same material composition, the water-cement ratio of the first material is 3: 1-4: 1, and the water-cement ratio of the second material is 1: 1-1: 1.2. The filling wall body and the flexible mold bag wall body are constructed by adopting the same materials but different material ratios, namely, the pumping of the filling wall body and the flexible mold bag wall body can be realized by adopting a double-liquid grouting pump, and the airtight wall which is simple in process, high in strength and good in airtightness can be constructed quickly. The problems of labor and material waste during construction of the explosion-proof enclosure wall in the early period, poor top contact and air leakage during later use are solved.

Description

Enclosed wall
Technical Field
The invention relates to the technical field of coal mine control ventilation, in particular to a sealing wall.
Background
The sealing wall is a key technology for controlling ventilation of a coal mine, and is applied to occasions with requirements on ventilation control or gas management, such as underground roadway excavation, mining face arrangement, all production operations and the like. When the coal seam is explosive, an explosion-proof sealing wall needs to be constructed. Therefore, the explosion-proof sealing wall needs to have certain strength and impact resistance, and the surrounding rock is deformed without air leakage.
At present, the construction of a two-four and pseudo-ginseng brick wall or a stone wall is mainly adopted for constructing a closed wall, and loess is filled between wall frames, so that on one hand, labor and materials are wasted, the roof connecting effect is not ideal, when surrounding rocks deform, brittle materials such as bricks and stones break to generate cracks, and on the other hand, the filling process is complex, and the cracks can be generated by dehydration and shrinkage of the middle loess. Therefore, the method of hanging the flexible mold bag and pouring concrete solves the problem of low construction speed, but the concrete is still a brittle material, and the top connection part is still hidden trouble. Or the mode of hanging a flexible mould bag, pouring concrete and filling the foaming material is adopted, the foaming material is filled in the middle of the concrete wall, the sealing effect is achieved, however, a working procedure is added in the method, and meanwhile, the filling pump and the pouring pump are not of the same type, and the working procedure is complex. Or the method adopts the modes of hanging the flexible mold bag and pouring the high-water material and other flexible materials, solves the problem of brittle failure, but the high-water material has insufficient strength, so that the impact resistance is reduced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the sealing wall, the filling wall body and the flexible mold bag wall body are constructed by adopting the same material but different material proportions, namely, the pumping injection of the filling wall body and the flexible mold bag wall body can be realized by adopting one double-liquid grouting pump, and the sealing wall which is simple in process, high in strength and good in sealing property can be quickly constructed. The problems that the explosion-proof airtight wall is labor-consuming and material-consuming in the early construction, and is poor in top contact and air leakage in the later use are solved, and the transportation of materials in the early stage and the labor intensity of workers are reduced. The proportion of water and high-water materials is only changed, the construction is carried out by using the same process and materials, the labor organization is coordinated and convenient, the rapid construction of the airtight wall is realized, and the cost is further reduced and the efficiency is improved.
The sealing wall comprises a filling wall body and two flexible mold bag wall bodies, wherein the two flexible mold bag wall bodies are sequentially arranged along the extending direction of a roadway and are parallel to each other, the filling wall body is located between the two flexible mold bag wall bodies, the filling wall body comprises a first material, the flexible mold bag wall bodies comprise flexible mold bags and a second material, the second material is filled in the flexible mold bags, the first material and the second material are identical in material composition, the water-cement ratio of the first material is 3: 1-4: 1, and the water-cement ratio of the second material is 1: 1-1: 1.2.
According to one embodiment of the invention, the flexible mold bag wall is provided with a reinforcing member.
According to one embodiment of the invention, the reinforcing member comprises a steel plate, and the steel plate is arranged on the surface of the flexible mold bag wall.
According to one embodiment of the invention, the reinforcing member comprises a reinforced beam ladder, the reinforced beam ladder extends in the horizontal direction and is arranged on the surface of the flexible mold bag wall.
According to one embodiment of the invention, the reinforcing member comprises a split anchor rod, the split anchor rod is arranged on the steel guard plate and the reinforced beam ladder and is inserted into the interior of the flexible mold bag wall from the surface of the flexible mold bag wall.
According to one embodiment of the invention, the reinforcing member comprises a mesh reinforcement, and the mesh reinforcement is laid on the surface of the flexible mold bag wall.
According to one embodiment of the invention, the flexible mold bag type water-cooled roof is characterized by further comprising a pipe assembly, wherein the pipe assembly comprises a gas pipe, an observation pipe, a water return pipe, a filler pipe and an exhaust pipe, the filler pipe and the exhaust pipe both penetrate through the flexible mold bag wall body on one side of the filling wall body to the inside of the filling wall body, and the gas pipe, the observation pipe and the water return pipe penetrate through the flexible mold bag wall body on one side of the filling wall body to the outside of the flexible mold bag wall body on the other side of the filling wall body.
According to one embodiment of the invention, the width and the height of the flexible mold bag are larger than those of the undercut in which the wall of the flexible mold bag is located.
According to one embodiment of the invention, the flexible mold bag is provided with a lifting lug.
According to one embodiment of the invention, the flexible mold bag is provided with a pump nozzle.
One or more technical solutions in the embodiments of the present invention at least have the following technical effects: the airtight wall provided by the embodiment of the invention comprises three layers of wall bodies, wherein the two sides of the airtight wall are flexible mold bag wall bodies, and the middle of the airtight wall is a filling wall body. Filling a second material into the flexible mold bags on two sides to form wall bodies of the flexible mold bags, filling a first material into a vacant space between the two wall bodies of the flexible mold bags to form a filling wall body after the flexible mold bags are completely connected, wherein the first material and the second material are formed by mixing water and a high-water material, the water-cement ratio of the first material is 3: 1-4: 1, and a material with low expansibility and strength is formed, so that the filling wall body can have deformability in a certain range, play a role in buffering and absorbing energy and realize a function of 'yielding'; the water-cement ratio of the second material is 1: 1-1: 1.2, so that the material with higher strength is formed, the flexible mold bag wall body is not easy to deform, a rigid bearing effect is achieved, and the 'resisting' function is realized, so that the airtight wall structure with the 'resisting-yielding' combination characteristic is formed.
The sealing wall adopts the same material but different material proportions to construct the filling wall body and the flexible mold bag wall body, namely, the pumping of the filling wall body and the flexible mold bag wall body can be realized by adopting a double-liquid grouting pump, and the sealing wall with simple process, high strength and good sealing property can be quickly constructed. The problems that the explosion-proof airtight wall is labor-consuming and material-consuming in the early construction, and is poor in top contact and air leakage in the later use are solved, and the transportation of materials in the early stage and the labor intensity of workers are reduced. The proportion of water and high-water materials is only changed, the construction is carried out by using the same process and materials, the labor organization is coordinated and convenient, the rapid construction of the airtight wall is realized, and the cost is further reduced and the efficiency is improved.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions and the advantages brought by the technical features of the technical solutions described above, other technical features of the present invention and the advantages brought by the technical features of the present invention will be further described with reference to the accompanying drawings or will be understood by the practice of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a sealing wall according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
fig. 4 is a schematic structural diagram of a flexible mold bag wall of a sealing wall according to an embodiment of the invention.
Reference numerals:
1: filling the wall;
2: a flexible mold bag wall; 21: a pump nozzle;
3: a reinforcement; 31: a steel guard plate; 32: a steel bar beam ladder; 33: oppositely pulling the anchor rod; 34: a reinforcing mesh;
4: a tube assembly; 41: a gas pipe; 42: an observation tube; 43: a water return pipe; 44: a filler tube; 45: an exhaust pipe;
5: lifting lugs;
6: and (6) cutting.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1, 2 and 3, the sealing wall provided by the embodiment of the invention includes a filling wall 1 and two flexible mold bag walls 2, the two flexible mold bag walls 2 are sequentially arranged along the extending direction of the roadway and are parallel to each other, the filling wall 1 is located between the two flexible mold bag walls 2, the filling wall 1 includes a first material, the flexible mold bag walls 2 include a flexible mold bag and a second material, the flexible mold bag is filled with the second material, the first material and the second material have the same material composition, the water-cement ratio of the first material is 3: 1-4: 1, and the water-cement ratio of the second material is 1: 1-1: 1.2.
The airtight wall of the embodiment of the invention consists of three layers of wall bodies, wherein the two sides are flexible mold bag wall bodies 2, and the middle part is a filling wall body 1. Filling a second material into the flexible mold bags on two sides to form the flexible mold bag wall bodies 2, filling a first material into a vacant space between the two flexible mold bag wall bodies 2 to form a filling wall body 1 after the flexible mold bags are completely connected, wherein the first material and the second material are formed by mixing water and a high-water material, the water-cement ratio of the first material is 3: 1-4: 1, and a material with expansibility and lower strength is formed, so that the filling wall body 1 can have deformability in a certain range, has the functions of buffering and energy absorption, and realizes the function of 'yielding'; the water-cement ratio of the second material is 1: 1-1: 1.2, so that a material with high strength is formed, the flexible mold bag wall body 2 is not easy to deform, a rigid bearing effect is achieved, and an anti function is realized, so that an airtight wall structure with the anti-yielding combination characteristic is formed.
The sealing wall adopts the same material but different material proportions to construct the filling wall body 1 and the flexible mold bag wall body 2, namely, the pumping injection of the filling wall body 1 and the flexible mold bag wall body 2 can be realized by adopting a double-liquid grouting pump, and the sealing wall with simple process, high strength and good sealing property can be rapidly constructed. The problems that the explosion-proof airtight wall is labor-consuming and material-consuming in the early construction, and is poor in top contact and air leakage in the later use are solved, and the transportation of materials in the early stage and the labor intensity of workers are reduced. The proportion of water and high-water materials is only changed, the construction is carried out by using the same process and materials, the labor organization is coordinated and convenient, the rapid construction of the airtight wall is realized, and the cost is further reduced and the efficiency is improved.
In this embodiment, the flexible mold bag is made of mining flame-retardant cloth.
According to one embodiment of the present invention, as shown in fig. 4, the wall body 2 of the flexible mold bag is provided with a reinforcing member 3. In this embodiment, reinforcement 3 is for protecting the surface component, provides further reinforcement protection for gentle mould bag wall body 2, improves its overall structure intensity. In one embodiment, the reinforcing member 3 may include a steel plate 31, a steel beam ladder 32, a counter-pull anchor bar 33, and a steel mesh 34, which may be selected from one or more of any combination.
According to one embodiment of the invention, the reinforcement 3 comprises a steel shield 31, and the steel shield 31 is arranged on the surface of the flexible mold bag wall 2. In this embodiment, the reinforcement 3 includes the polylith steel backplate 31, and polylith steel backplate 31 is arranged in proper order along the horizontal direction, evenly arranges the surface at two gentle mould bag wall bodies 2 front sides and rear side, the surface that is perpendicular to the tunnel extending direction and not contact with filling wall body 1.
According to an embodiment of the present invention, the reinforcement 3 includes a reinforced beam ladder 32, and the reinforced beam ladder 32 extends in a horizontal direction and is disposed on the surface of the flexible mold pocket wall body 2. In this embodiment, reinforcement 3 includes many reinforcing bar roof beam ladders 32, and every reinforcing bar roof beam ladder 32 equal horizontal setting, and top-down evenly distributed is on the surface of two gentle mould bag wall bodies 2 front sides and rear side.
According to an embodiment of the present invention, the reinforcement 3 includes counter-pull anchors 33, and the counter-pull anchors 33 are disposed on the steel sheathing 31 and the reinforced girder ladder 32 and inserted into the interior of the flexible mold bag wall 2 from the surface of the flexible mold bag wall 2. In this embodiment, reinforcement 3 still includes the multiunit anchor rod 33 of drawing to each other, the group number of drawing anchor rod 33 is corresponding with the radical of reinforced beam ladder 32 and the group number of steel backplate 31, a set of anchor rod 33 of drawing to each other fixes the position at a reinforced beam ladder 32 or a set of steel backplate 31, every group anchor rod 33 of drawing to each other includes many anchor rods 33 of drawing to each other, many anchor rods 33 of drawing to each other arrange apart the setting in proper order along reinforced beam ladder 32's extending direction, or many anchor rods 33 of drawing to each other set up with a plurality of steel backplate 31 one-to-one, the side of keeping away from filling wall body 1 from gentle mould bag wall body 2 inserts to this gentle mould bag wall body 2's inside.
According to one embodiment of the present invention, the reinforcement 3 comprises a mesh reinforcement 34, and the mesh reinforcement 34 is laid on the surface of the flexible mold bag wall 2. In this embodiment, the reinforcing mesh 34 covers the front and rear surfaces of the two flexible molded bag walls 2. The mesh reinforcement 34 is selected from mesh reinforcements 34 having a mesh reinforcement diameter of 6 mm.
According to an embodiment of the present invention, the containment wall of the embodiment of the present invention further includes a pipe assembly 4, the pipe assembly 4 includes a gas pipe 41, an observation pipe 42, a water return pipe 43, a filler pipe 44 and an exhaust pipe 45, the filler pipe 44 and the exhaust pipe 45 are both penetrated into the interior of the filling wall 1 by the flexible mold bag wall 2 on one side of the filling wall 1, and the gas pipe 41, the observation pipe 42 and the water return pipe 43 are penetrated out of the flexible mold bag wall 2 on the other side by the flexible mold bag wall 2 on one side of the filling wall 1. In this embodiment, the gas pipe 41, the observation pipe 42, and the water return pipe 43 are sequentially disposed from top to bottom on the enclosure wall, and the filler pipe 44 and the exhaust pipe 45 are disposed as close to the top plate of the roadway as possible. One end of the filler pipe 44 penetrates through one flexible mold bag wall body 2 to penetrate into a vacant space between the two flexible mold bag wall bodies 2, the other end of the filler pipe is connected with filling equipment, and after the flexible mold bag wall body 2 is constructed by grouting in the flexible mold bag, the filler pipe 44 is used for grouting between the two flexible mold bag wall bodies 2 to construct the filling wall body 1. The water return pipe 43, the observation pipe 42 and the gas pipe 41 respectively penetrate through the three layers of wall bodies, the water return pipe 43 is located in the range of 3/10-4/10 of the height of the sealing wall, and the water return pipe is obliquely arranged so that water can flow out of the inner side of the roadway to the outer side of the roadway. The observation tube 42 is located in a range above the 3/5 height of the enclosure. The gas pipe 41 is located in a range of 5/6 height or more of the closing wall 2.
In this example, the gas pipe 41 is a 4-inch steel pipe, the observation pipe 42 is a 4-inch steel pipe, and the return pipe 43 is a 6-inch steel pipe. The filler pipe 44 is a 2 inch steel pipe and the exhaust pipe 45 is a 2 inch steel pipe. In other embodiments, the diameters and lengths of the gas pipe 41, the observation pipe 42 and the water return pipe 43 are determined according to actual needs.
According to one embodiment of the invention, the width and height of the flexible mold bag are larger than the width and height of the undercut 6 in which the flexible mold bag wall 2 is located. In this embodiment, the enclosure wall sets up in the plunge cut 6, in the embedding plunge cut 6 of enclosure wall's periphery, the width and the height of gentle mould bag slightly are greater than width and height behind the plunge cut 6, and thickness is calculated according to tunnel pressure and gas coal seam explosion pressure and is confirmed. The cut 6 can be fully filled after the flexible mold bag wall body 2 is formed by grouting, and the problems of poor roof contact and air leakage in later use are avoided.
According to one embodiment of the invention, the flexible mold bag is provided with lifting lugs 5. In this embodiment, the gentle mould bag be close to the tunnel roof the surface and have all around to set up lug 5 for hang gentle mould bag, be convenient for construct the in-process of gentle mould bag wall body 2 at the slip casting and fix a position the firm gentle mould bag position.
According to one embodiment of the invention, the flexible mold bag is provided with a pump nozzle 21. In this embodiment, the last pump sprue 21 of having seted up of gentle mould bag, thereby through pump sprue 21 pump notes the second material in gentle mould bag and form gentle mould bag wall body 2, gentle mould bag wall body 2 meets a complete back, fills the vacant space formation of filling between two gentle mould bag walls through filler pipe 44 and fills wall body 1. The embodiment can adopt a double-liquid grouting pump to realize the pump grouting of high-water materials with different proportions, and the process is simple.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. An enclosure wall, comprising: the filling wall body is located between the two flexible mold bag wall bodies, the filling wall body comprises a first material, the flexible mold bag wall bodies comprise flexible mold bags and a second material, the second material is filled in the flexible mold bags, the first material and the second material are the same in material composition, the water-cement ratio of the first material is 3: 1-4: 1, and the water-cement ratio of the second material is 1: 1-1: 1.2.
2. The containment wall of claim 1, wherein: and the flexible mold bag wall body is provided with a reinforcing member.
3. The containment wall of claim 2, wherein: the reinforcement includes the steel backplate, the steel backplate set up in the surface of gentle mould bag wall body.
4. The containment wall of claim 3, wherein: the reinforcement includes the reinforcing bar roof beam ladder, the reinforcing bar roof beam ladder extends along the horizontal direction, and set up in gentle mould bag wall body's surface.
5. The containment wall of claim 4, wherein: the reinforcement includes to drawing the stock, to drawing the stock set up in the steel backplate with on the reinforcing bar roof beam ladder, certainly the surface of gentle mould bag wall body inserts the inside of gentle mould bag wall body.
6. The containment wall of claim 2, wherein: the reinforcing piece includes the reinforcing bar net, the reinforcing bar net lay in the surface of gentle mould bag wall body.
7. The containment wall according to any one of claims 1 to 6, wherein: still include the pipe assembly, the pipe assembly includes gas pipe, observation pipe, return pipe, filled tube and blast pipe, the filled tube with the blast pipe by fill wall body one side gentle mould bag wall body run through to fill inside the wall body, the gas pipe observation pipe with the return pipe by fill wall body one side gentle mould bag wall body run through to the opposite side gentle mould bag wall body is outside.
8. The containment wall according to any one of claims 1 to 6, wherein: the width and the height of the flexible mold bag are larger than those of the cut where the wall of the flexible mold bag is located.
9. The containment wall according to any one of claims 1 to 6, wherein: the flexible mold bag is provided with a lifting lug.
10. The containment wall according to any one of claims 1 to 6, wherein: and a pump injection port is arranged on the flexible mold bag.
CN202010529780.4A 2020-06-11 2020-06-11 Enclosed wall Active CN111828093B (en)

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CN111828093B CN111828093B (en) 2023-03-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113027518A (en) * 2021-03-25 2021-06-25 天地科技股份有限公司 Gob-side entry retaining rigid-flexible cooperative concrete wall structure and construction method thereof

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US4036024A (en) * 1974-06-12 1977-07-19 Bergwerksverband Gmbh Device for closing off a mine gallery especially for use to prevent spreading of underground explosions
CN102337906A (en) * 2011-09-09 2012-02-01 陕西开拓建筑科技有限公司 Construction method for pouring airtight partition wall between recovered roadway and reserved roadway
CN106050302A (en) * 2016-07-19 2016-10-26 河南理工大学 Constructing system and method for coal mine permanent sealing wall
CN107448234A (en) * 2017-08-30 2017-12-08 陕西煤业化工技术研究院有限责任公司 A kind of colliery pours closed wall construction method
CN208137992U (en) * 2017-12-26 2018-11-23 西安科技大学 A kind of New Mine flame range flame proof fire dam
CN208294567U (en) * 2018-05-15 2018-12-28 陕煤集团神木张家峁矿业有限公司 A kind of fixation device for the soft mould pocket type mold pouring walling suitable for underground
CN208564631U (en) * 2018-06-29 2019-03-01 神木汇森凉水井矿业有限责任公司 It keeps out the wind wall device for the adjustable inflation of corner above and below fully-mechanized mining working
CN111018445A (en) * 2019-12-27 2020-04-17 陕西煤业化工技术研究院有限责任公司 Material for coal mine underground permanent airtight wall and airtight wall building method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036024A (en) * 1974-06-12 1977-07-19 Bergwerksverband Gmbh Device for closing off a mine gallery especially for use to prevent spreading of underground explosions
CN102337906A (en) * 2011-09-09 2012-02-01 陕西开拓建筑科技有限公司 Construction method for pouring airtight partition wall between recovered roadway and reserved roadway
CN106050302A (en) * 2016-07-19 2016-10-26 河南理工大学 Constructing system and method for coal mine permanent sealing wall
CN107448234A (en) * 2017-08-30 2017-12-08 陕西煤业化工技术研究院有限责任公司 A kind of colliery pours closed wall construction method
CN208137992U (en) * 2017-12-26 2018-11-23 西安科技大学 A kind of New Mine flame range flame proof fire dam
CN208294567U (en) * 2018-05-15 2018-12-28 陕煤集团神木张家峁矿业有限公司 A kind of fixation device for the soft mould pocket type mold pouring walling suitable for underground
CN208564631U (en) * 2018-06-29 2019-03-01 神木汇森凉水井矿业有限责任公司 It keeps out the wind wall device for the adjustable inflation of corner above and below fully-mechanized mining working
CN111018445A (en) * 2019-12-27 2020-04-17 陕西煤业化工技术研究院有限责任公司 Material for coal mine underground permanent airtight wall and airtight wall building method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113027518A (en) * 2021-03-25 2021-06-25 天地科技股份有限公司 Gob-side entry retaining rigid-flexible cooperative concrete wall structure and construction method thereof

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