CN110725717A - Water plugging structure for ore body roadway - Google Patents
Water plugging structure for ore body roadway Download PDFInfo
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- CN110725717A CN110725717A CN201911111551.4A CN201911111551A CN110725717A CN 110725717 A CN110725717 A CN 110725717A CN 201911111551 A CN201911111551 A CN 201911111551A CN 110725717 A CN110725717 A CN 110725717A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 259
- 239000011435 rock Substances 0.000 claims abstract description 73
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 230000007423 decrease Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003467 diminishing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 13
- 239000003673 groundwater Substances 0.000 description 7
- 230000002706 hydrostatic effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 3
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
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- Geochemistry & Mineralogy (AREA)
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Abstract
The invention discloses an ore body roadway water plugging structure which comprises a concrete plugging body, a water collecting pit, a first water drain pipe and a second water drain pipe, wherein the first water drain pipe is arranged on the concrete plugging body; the concrete blocking body is connected with the surrounding rock wall of the ore body roadway in a sealing manner to block the ore body roadway, and the ore body roadway is divided into a front section roadway and a rear section roadway; the water collecting pits comprise a first water collecting pit and a second water collecting pit, the first water collecting pit is arranged at the bottom of the front section roadway, and the second water collecting pit is arranged at the bottom of the rear section roadway; a first water drain pipe penetrates through the concrete block body, one end of the first water drain pipe is connected with the first water collecting pit, the other end of the first water drain pipe is connected with the second water collecting pit, and a first high-pressure valve is arranged at one end of the first water drain pipe; the second wash-out pipe passes the concrete shutoff body, and the one end of second wash-out pipe stretches into in the anterior segment tunnel and the other end stretches into the back end tunnel, and the one end of second wash-out pipe still is equipped with the second high-pressure valve. The ore body roadway water plugging structure has high reliability, can reduce the water drainage lift, reduce the total water drainage amount and greatly reduce the water drainage cost.
Description
Technical Field
The invention relates to the technical field of mine drainage, in particular to an ore body roadway water plugging structure.
Background
The water inflow of the whole mine exceeds 50000m3/d at present, wherein the water inflow of the main ore body exceeds 20000m3/d and accounts for 40% of the total water inflow; the main ore body accounts for less total resource amount, about 20%, and is influenced by the mining method, equipment capacity and long transportation distance, and the mining cost is high, so the middle section roadway of the main ore body is determined to be plugged, and the resources below the plugged middle section roadway are temporarily exploited.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a mine body roadway water plugging structure, which has high reliability, can reduce the water drainage lift, reduce the total water drainage amount, and greatly reduce the water drainage cost.
According to the ore body tunnel water shutoff structure of the embodiment of the invention, the ore body tunnel water shutoff structure comprises:
the concrete blocking body is connected with the surrounding rock wall of the ore body roadway in a sealing mode and blocks in the ore body roadway so as to divide the ore body roadway into a front section roadway and a rear section roadway, and the ore body on the lower portion of the front section roadway is a temporarily and slowly developed ore body;
the water collecting pits comprise a first water collecting pit and a second water collecting pit, the first water collecting pit is arranged at the bottom of the front section roadway, and the second water collecting pit is arranged at the bottom of the rear section roadway;
the first water drain pipe penetrates through the concrete plugging body, one end of the first water drain pipe is connected with the first water collecting pit, the other end of the first water drain pipe is connected with the second water collecting pit, and a first high-pressure valve is further arranged at one end of the first water drain pipe;
the second water drain pipe penetrates through the concrete plugging body, one end of the second water drain pipe extends into the front section roadway, the other end of the second water drain pipe extends into the rear section roadway, and a second high-pressure valve is further arranged at one end of the second water drain pipe.
According to the ore body roadway water plugging structure provided by the embodiment of the invention, the working process is as follows: when the lower part ore body of a front section roadway needs to be developed temporarily or stopped, firstly, a first water collecting pit and a second water collecting pit are respectively arranged at the bottom of a front section roadway and the bottom of a rear section roadway, then, a first water drain pipe and a second water drain pipe are arranged in the ore body roadway, one end of the first water drain pipe is connected with the first water collecting pit, the other end of the first water drain pipe is connected with the second water collecting pit, one end of the second water drain pipe extends into the front section roadway, the other end of the second water drain pipe extends into the rear section roadway, and a first high-pressure valve and a second high-pressure valve are respectively arranged at one end of the first water drain pipe and one end of the second water drain pipe; finally, concrete is poured in the ore body tunnel, the concrete blocking body is connected with the surrounding rock wall of the ore body tunnel in a sealing mode and blocks the ore body tunnel, the first water drain pipe and the second water drain pipe penetrate through the concrete blocking body, underground water can be prevented from flowing into the ore body at the lower part, and the underground water can be discharged through the water pump room at the upper part; when the lower part ore body is redeveloped, the first high-pressure valve and the second high-pressure valve are opened, so that accumulated water in the rear section roadway flows into the front section roadway and the lower part ore body through the first water drain pipe and the second water drain pipe, and finally is discharged through the second water pump room at the lower part ore body.
According to the ore body roadway water plugging structure provided by the embodiment of the invention, the first water collecting pit and the second water collecting pit are respectively arranged at the bottom of the front section roadway and the bottom of the rear section roadway, so that flowing water of the front section roadway and the rear section roadway can be conveniently led into the first water collecting pit and the second water collecting pit respectively, and the influence on construction is avoided; the first water drain pipe is connected with the first water collecting pit and the second water collecting pit, when water in the second water collecting pit needs to be drained into the first water collecting pit, the first high-pressure valve is opened, water in a rear roadway is drained into a front roadway, so that a concrete blocking body is protected in construction, the concrete blocking body blocks a roadway of the ore body, underground water can be prevented from flowing into the lower part to temporarily develop the ore body, the underground water is accumulated in the rear roadway, the underground water is drained by using the first water pump room located at the position above the temporarily developed ore body in the lower part, the water drainage lift is reduced, the total water drainage amount is reduced, and the water drainage cost of a mine can be greatly reduced; when the lower part ore body is redeveloped, the first high-pressure valve and the second high-pressure valve are opened, so that accumulated water in the rear section roadway flows into the front section roadway and the lower part ore body through the first water drain pipe and the second water drain pipe, and is discharged through the second water pump room at the lower part ore body. In conclusion, the ore body roadway water plugging structure has high reliability, can reduce the water drainage lift, reduce the total water drainage amount and greatly reduce the water drainage cost.
According to one embodiment of the invention, the surrounding rock walls of the ore body roadway comprise a first surrounding rock wall positioned between the front section roadway and the rear section roadway, the first surrounding rock wall forms a wedge-shaped space, and the section size of the wedge-shaped space gradually decreases from large to small in the direction from the rear section roadway to the front section roadway; correspondingly, the concrete block body comprises a concrete block body; the section size of concrete shutoff body main part by back end tunnel extremely by diminishing and forming the wedge in the direction in anterior segment tunnel gradually, the concrete shutoff body main part sets up in the wedge space just the outer peripheral face of concrete shutoff body main part with first country rock wall sealing connection.
According to a further embodiment of the present invention, the dimension of the concrete block body in the width direction and the dimension of the concrete block body in the height direction gradually decrease from the rear roadway to the front roadway.
According to a still further embodiment of the present invention, the concrete block body is bilaterally symmetrical along a center line of the ore body roadway.
According to some embodiments of the invention, the surrounding rock walls of the ore body roadway further comprise a second surrounding rock wall and a third surrounding rock wall, the second surrounding rock wall and the third surrounding rock wall being located at the front side and the rear side of the first surrounding rock wall, respectively, and being connected with the first surrounding rock wall; correspondingly, the concrete plugging body further comprises a front concrete support and a rear concrete support, the front concrete support is respectively in sealing connection with the second surrounding rock wall and the concrete plugging body main body, and the rear concrete support is respectively in sealing connection with the third surrounding rock wall and the concrete plugging body main body.
According to a further embodiment of the present invention, the apparatus further comprises a front grouting pipe and a rear grouting pipe; the front grouting pipes are distributed in the front-rear direction and the circumferential direction and penetrate through the front concrete support, and one ends of the front grouting pipes are anchored on the second surrounding rock wall; the rear grouting pipes are distributed in the front-rear direction and the circumferential direction and penetrate through the rear concrete support, and one ends of the rear grouting pipes are anchored on the third surrounding rock wall.
According to some embodiments of the invention, a pressure gauge is further provided at one end of the second drain pipe.
According to some embodiments of the invention, further comprising a concrete buttress disposed in the forward roadway, the concrete buttress supporting an end of the second downcomer.
According to some embodiments of the invention, there are a plurality of the second water drain pipes, a plurality of the second high pressure valves, one end of each of the plurality of the second water drain pipes extends into the front section roadway, the other end of each of the plurality of the second water drain pipes extends into the rear section roadway, and one end of each of the plurality of the second water drain pipes is correspondingly provided with the second high pressure valve.
According to some embodiments of the invention, the first sump, the second sump and the first downcomer are disposed adjacent to a same side of the ore body roadway.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic elevation structure view of an ore body roadway water shutoff structure according to an embodiment of the invention.
Fig. 2 is a schematic plan structure view of an ore body roadway water plugging structure according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view at a-a in fig. 1.
Fig. 4 is a schematic view of a scene application of the ore body roadway water shutoff structure according to the embodiment of the invention.
Reference numerals:
Concrete is supported 103 behind concrete support 102 before concrete shutoff body main part 101
Sump 2
First water drain pipe 3
Second water drain pipe 4
Ore body tunnel 5
First high-pressure valve 6
Second high pressure valve 7
Surrounding rock wall 8
First surrounding rock wall 801, second surrounding rock wall 802, and third surrounding rock wall 803
Rear grouting pipe 10
Pressure gauge 11
First pump house 13
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
An ore body roadway water plugging structure 1000 according to an embodiment of the present invention is described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, an ore body roadway water plugging structure 1000 according to an embodiment of the present invention includes a concrete plugging body 1, a water collecting pit 2, a first water drain pipe 3 and a second water drain pipe 4, the concrete plugging body 1 is hermetically connected with a surrounding rock wall 8 of an ore body roadway 5 to plug in the ore body roadway 5 so as to divide the ore body roadway 5 into a front section roadway 501 and a rear section roadway 502, and an ore body below the front section roadway 501 is a temporary development ore body; the water collecting pit 2 comprises a first water collecting pit 201 and a second water collecting pit 202, the first water collecting pit 201 is arranged at the bottom of the front section roadway 501, and the second water collecting pit 202 is arranged at the bottom of the rear section roadway 502; the first water drain pipe 3 penetrates through the concrete block body 1, one end of the first water drain pipe 3 is connected with the first water collection pit 201, the other end of the first water drain pipe 3 is connected with the second water collection pit 202, and a first high-pressure valve 6 is further arranged at one end of the first water drain pipe 3; the second water escape pipe 4 passes through the concrete block body 1, and in the one end of second water escape pipe 4 stretched into anterior segment tunnel 501 and the other end stretched into back end tunnel 502, the one end of second water escape pipe 4 still was equipped with second high pressure valve 7.
Specifically, the concrete blocking body 1 is connected with the surrounding rock wall 8 of the ore body tunnel 5 in a sealing manner and is blocked in the ore body tunnel 5 so as to divide the ore body tunnel 5 into a front section tunnel 501 and a rear section tunnel 502, and the ore body at the lower part of the front section tunnel 501 is a temporarily developed ore body; it can be understood that, when the lower part ore body of current section tunnel 501 needs the development of suspending, set up concrete shutoff body 1 in ore body tunnel 5, concrete shutoff body 1 and the surrounding rock wall 8 sealing connection of ore body tunnel 5 for ore body tunnel 5 is by the shutoff, can avoid groundwater to pour into the lower part ore body, groundwater can discharge (as shown in fig. 4) through the first water pump room 13 that is located the position above the lower part development ore body of suspending, and avoid using the second water pump room 14 that is located the lower part development ore body department of suspending, thereby reduced the drainage lift, the total displacement has been reduced, can reduce the drainage expense in mine by a wide margin.
The water collecting pit 2 comprises a first water collecting pit 201 and a second water collecting pit 202, the first water collecting pit 201 is arranged at the bottom of the front section roadway 501, and the second water collecting pit 202 is arranged at the bottom of the rear section roadway 502; it can be understood that, before the structure 1000 construction of ore body tunnel water shutoff of the mine body, set up first sump pit 201 and second sump pit 202 in the bottom of anterior segment tunnel 501 and the bottom of back end tunnel 502 respectively, from this, can be with leading-in first sump pit 201 of flowing water in anterior segment tunnel 501 when the structure 1000 construction of ore body tunnel water shutoff of the mine body tunnel, with leading-in second sump pit 202 of flowing water in the back end tunnel 502, thereby avoided the interior flowing water of ore body tunnel 5 to influence the construction, construction efficiency is improved.
The first water drain pipe 3 penetrates through the concrete block body 1, one end of the first water drain pipe 3 is connected with the first water collection pit 201, the other end of the first water drain pipe 3 is connected with the second water collection pit 202, and a first high-pressure valve 6 is further arranged at one end of the first water drain pipe 3; it can be understood that the first water drain pipe 3 is firstly arranged in the ore body roadway 5, and then the concrete blocking body 1 is poured, so that the first water drain pipe 3 penetrates through the concrete blocking body 1; when water in the second water collecting pit 202 needs to be drained into the first water collecting pit 201, the first high-pressure valve 6 is opened, water in the rear-section roadway 502 is drained into the front-section roadway 501, and therefore the concrete plugging body 1 is protected in construction; the first high-pressure valve 6 is used to open or close the first drain pipe 3, so as to control whether the accumulated water in the rear roadway 502 is discharged into the front roadway 501 through the first drain pipe 3.
The second water escape pipe 4 passes through the concrete block body 1, and in the one end of second water escape pipe 4 stretched into anterior segment tunnel 501 and the other end stretched into back end tunnel 502, the one end of second water escape pipe 4 still was equipped with second high pressure valve 7. It can be understood that the second water drain pipe 4 is firstly arranged in the ore body roadway 5, and then the concrete blocking body 1 is poured, so that the second water drain pipe 4 penetrates through the concrete blocking body 1; when the ore body needs to be redeveloped, the second water drain pipe 4 can be used for quickly draining accumulated water in the rear-section roadway 502 into the front-section roadway 501; the second high-pressure valve 7 is used for opening or closing the second water drain pipe 4, so as to control whether accumulated water in the rear roadway 502 is discharged into the front roadway 501 through the second water drain pipe 4.
According to the ore body roadway water plugging structure 1000 provided by the embodiment of the invention, the working process is as follows: when the development of the lower part ore body of the front section roadway 501 needs to be suspended or stopped, firstly, a first water collecting pit 201 and a second water collecting pit 202 are respectively arranged at the bottom of the front section roadway 501 and the bottom of the rear section roadway 502, then, a first water drain pipe 3 and a second water drain pipe 4 are arranged in the ore body roadway 5, one end of the first water drain pipe 3 is connected with the first water collecting pit 201, the other end of the first water drain pipe is connected with the second water collecting pit 202, one end of the second water drain pipe 4 extends into the front section roadway 501, the other end of the second water drain pipe 4 extends into the rear section roadway 502, and a first high-pressure valve 6 and a second high-pressure valve 7 are respectively arranged at one end of the first water drain pipe 3 and one end of the second water drain; finally, concrete is poured in the ore body tunnel 5, the concrete blocking body 1 is connected with the surrounding rock wall 8 of the ore body tunnel 5 in a sealing mode and is blocked in the ore body tunnel 5, the first water drain pipe 3 and the second water drain pipe 4 penetrate through the concrete blocking body 1, underground water can be prevented from flowing into a lower ore body, and the underground water can be discharged through the first water pump room 13; when the lower ore body is redeveloped, the first high-pressure valve 6 and the second high-pressure valve 7 are opened, so that accumulated water in the rear roadway 502 flows into the front roadway 501 and the lower ore body through the first water drain pipe 3 and the second water drain pipe 4, and finally flows through the second water pump room 14 at the lower ore body and is discharged.
According to the ore body roadway water plugging structure 1000 provided by the embodiment of the invention, the first water collecting pit 201 and the second water collecting pit 202 are respectively arranged at the bottom of the front section roadway 501 and the bottom of the rear section roadway 502, so that flowing water of the front section roadway 501 and the rear section roadway 502 can be conveniently guided into the first water collecting pit 201 and the second water collecting pit 202 respectively, and the influence on construction is avoided; the first water drain pipe 3 is connected with the first water collecting pit 201 and the second water collecting pit 202, when water in the second water collecting pit 202 needs to be drained into the first water collecting pit 201, the first high-pressure valve 6 is opened, the water in the rear-section roadway 502 is drained into the front-section roadway 501, so that the concrete plugging body 1 is protected in construction, the concrete plugging body 1 plugs the ore body roadway 5, underground water can be prevented from flowing into the lower part to temporarily develop the ore body, the underground water is accumulated in the rear-section roadway 502, the underground water is drained by the first water pump room 13 located at the position above the lower part to temporarily develop the ore body, the drainage lift is reduced, the total drainage amount is reduced, and the drainage cost of a mine can be greatly reduced; when the lower ore body is redeveloped, the first high-pressure valve 6 and the second high-pressure valve 7 are opened, so that accumulated water in the rear roadway 502 flows into the front roadway 501 and the lower ore body through the first water drain pipe 3 and the second water drain pipe 4, and is discharged through the second water pump room 14 at the lower ore body. In conclusion, the ore body roadway water plugging structure 1000 provided by the invention has high reliability, can reduce the drainage lift, reduce the total drainage quantity and greatly reduce the drainage cost.
According to one embodiment of the invention, the surrounding rock wall 8 of the ore body roadway 5 comprises a first surrounding rock wall 801 positioned between a front section roadway 501 and a rear section roadway 502, the first surrounding rock wall 801 forms a wedge-shaped space, and the section size of the wedge-shaped space gradually decreases from large to small in the direction from the rear section roadway 502 to the front section roadway 501; accordingly, the concrete block 1 comprises a concrete block body 101; the section size of the concrete plugging body main body 101 gradually becomes smaller and smaller in the direction from the rear roadway 502 to the front roadway 501 to form a wedge-shaped body, the concrete plugging body main body 101 is arranged in the wedge-shaped space, and the outer peripheral surface of the concrete plugging body main body 101 is in sealing connection with the first surrounding rock wall 801. It can be understood that the concrete plugging body main body 101 is a wedge-shaped body and is in sealing connection with the first surrounding rock wall 801, the plugging effect is good, the section size of the concrete plugging body main body 101 gradually decreases from the rear section roadway 502 to the front section roadway 501, therefore, the hydrostatic pressure resistance of the concrete plugging body main body 101 is good, and the relevant size of the wedge-shaped body needs to be calculated and determined according to parameters such as hydrostatic pressure, surrounding rock conditions and roadway sections.
As shown in fig. 1 and 2, according to a further embodiment of the present invention, the concrete block body 101 has a width-directional dimension and a height-directional dimension that gradually decrease from the rear roadway 502 to the front roadway 501. It can be understood that the size of the concrete plugging body 1 gradually decreases from large to small in the left-right direction and the up-down direction, so that the concrete plugging effect is good, the hydrostatic pressure resistance is good, and the size of the concrete plugging body main body 101 needs to be calculated and determined according to parameters such as water head pressure, surrounding rock conditions and roadway sections.
As shown in fig. 3, according to a still further embodiment of the present invention, the concrete block body 101 is bilaterally symmetrical along the center line of the ore body tunnel 5. From this, the ability that concrete shutoff body main part 101 resisted hydrostatic pressure is good, and the atress is more even, and structural reliability is higher.
According to some embodiments of the invention, the surrounding rock walls 8 of the ore body drift 5 further comprise a second surrounding rock wall 802 and a third surrounding rock wall 803, the second surrounding rock wall 802 and the third surrounding rock wall 803 being located at the front side and the rear side of the first surrounding rock wall 801 and being connected to the first surrounding rock wall 801, respectively; correspondingly, the concrete block 1 further comprises a front concrete support 102 and a rear concrete support 103, the front concrete support 102 is respectively connected with the second surrounding rock wall 802 and the concrete block main body 101 in a sealing manner, and the rear concrete support 103 is respectively connected with the third surrounding rock wall 803 and the concrete block main body 101 in a sealing manner. It can be understood that the front concrete support 102 and the rear concrete support 103 support the concrete plugging body main body 101 respectively at the front side and the rear side of the concrete plugging body 1, so that the position of the concrete plugging body 1 is fixed, the hydrostatic pressure resistance is good, the safety of workers is improved, and the concrete plugging body 1 is prevented from moving, so that the water plugging effect is reduced, and accumulated water flows into a lower ore body.
The lengths of the front concrete support 102 and the rear concrete support 103 are determined in accordance with the roadway cross section, the surrounding rock conditions, and the structure of the concrete block body 101. Preferably, the concrete block body 101, the front concrete support 102 and the rear concrete support 103 are an integral concrete casting.
According to a further embodiment of the present invention, a front grouting pipe 9 and a rear grouting pipe 10 are further included; wherein, there are a plurality of front grouting pipes 9, the plurality of front grouting pipes 9 are distributed in the front-back direction and the circumferential direction to penetrate through the front concrete support 102, and one end of the plurality of front grouting pipes 9 is anchored on the second surrounding rock wall 802; the rear grout pipes 10 are plural, the plural rear grout pipes 10 are distributed through the rear concrete support 103 in the front-rear direction and the circumferential direction, and one ends of the plural rear grout pipes 10 are anchored to the third surrounding rock wall 803. It can be understood that the front grouting pipe 9 is anchored on the second surrounding rock wall 802, the rear grouting pipe 10 is anchored on the third surrounding rock wall 803, the front concrete support 102 and the rear concrete support 103 are respectively poured on the second surrounding rock wall 802 and the third surrounding rock wall 803, after pouring is completed, grouting is performed on the second surrounding rock wall 802 through the front grouting pipe 9, and grouting is performed on the third surrounding rock wall 803 through the rear grouting pipe 10, so that the second surrounding rock wall 802 and the third surrounding rock wall 803 are integrally reinforced, and water gushing from the upper part of the ore body tunnel 5 is prevented from entering the lower ore body through cracks between the second surrounding rock wall 802 and the front concrete support 102, and the third surrounding rock wall 803 and the rear concrete support 103.
It should be noted that the front grouting pipes 9 are arranged on the second surrounding rock wall 802 in an encrypted manner, and the rear grouting pipes 10 are arranged on the third surrounding rock wall 803 in an encrypted manner, so that the grouting effect is ensured, and the water plugging effect of the ore body roadway water plugging structure 1000 is better.
According to some embodiments of the present invention, one end of the second drain pipe 4 is further provided with a pressure gauge 11. From this, can monitor the hydrostatic pressure that 5 shutoff structures in ore body tunnel resisted, when the pressure that manometer 11 shows was too big, with the ponding discharge anterior segment tunnel 501 in back end tunnel 502, avoid guaranteeing staff's safety because the hydrostatic pressure is too big to destroy 5 shutoff structures in ore body tunnel.
According to some embodiments of the present invention, there is further included a concrete pier 12 disposed in the front roadway 501, the concrete pier 12 supporting one end of the second downcomer 4. It can be understood that one end of the second water drainage pipe 4 extends into the front roadway 501, and the concrete buttress 12 supports one end of the second water drainage pipe 4, so that the stability of the second water drainage pipe 4 is ensured, and the downward bending of the front end of the second water drainage pipe 4 caused by the overlong front end of the second water drainage pipe 4 is avoided.
According to some embodiments of the present invention, there are a plurality of second drain pipes 4, a plurality of second high pressure valves 7, one end of each of the plurality of second drain pipes 4 extends into the front section roadway 501, the other end of each of the plurality of second drain pipes 4 extends into the rear section roadway 502, and one end of each of the plurality of second drain pipes 4 is correspondingly provided with a second high pressure valve 7. It can be understood that the quantity and the diameter of the second water drain pipes 4 are determined according to the actual total water inflow calculation, the second high-pressure valves 7 are installed at one ends of the second water drain pipes 4 in a one-to-one correspondence mode, when the accumulated water in the rear roadway 502 needs to be drained, the second high-pressure valves 7 are opened, the accumulated water in the rear roadway 502 is drained into the front roadway 501 through the second water drain pipes 4, the drainage speed can be increased, and the construction period of mining the lower ore body is shortened.
According to some embodiments of the present invention, the first sump 201, the second sump 202 and the first drain pipe 3 are disposed adjacent to the same side of the ore body roadway 5. It can be understood that, in the construction process of the water shutoff structure 1000 of the ore body tunnel, the staff works in the tunnel with the apparatus, and sets up the first sump pit 201, the second sump pit 202 and the first drain pipe 3 at the same side adjacent to the ore body tunnel 5, so as to facilitate the normal construction of the water shutoff structure 1000 of the ore body tunnel and ensure the construction efficiency.
As shown in fig. 4, the ore body roadway water plugging structure 1000 of the present invention is described below as a specific example.
Set up ore body tunnel water shutoff structure 1000 in ore body tunnel 5, groundwater is gathered in back end tunnel 502, and ore body tunnel water shutoff structure 1000 makes groundwater can not flow in the lower part ore body, and second water pump room 14 pauses the use, and the groundwater level after the shutoff promotes, and groundwater is discharged through first water pump room 13, has reduced the drainage lift, and groundwater is gathered in back end tunnel 502, has reduced total displacement, can reduce the drainage expense in mine by a wide margin.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 the invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides an ore body tunnel water shutoff structure which characterized in that includes:
the concrete blocking body is connected with the surrounding rock wall of the ore body roadway in a sealing mode and blocks in the ore body roadway so as to divide the ore body roadway into a front section roadway and a rear section roadway, and the ore body on the lower portion of the front section roadway is a temporarily and slowly developed ore body;
the water collecting pits comprise a first water collecting pit and a second water collecting pit, the first water collecting pit is arranged at the bottom of the front section roadway, and the second water collecting pit is arranged at the bottom of the rear section roadway;
the first water drain pipe penetrates through the concrete plugging body, one end of the first water drain pipe is connected with the first water collecting pit, the other end of the first water drain pipe is connected with the second water collecting pit, and a first high-pressure valve is further arranged at one end of the first water drain pipe;
the second water drain pipe penetrates through the concrete plugging body, one end of the second water drain pipe extends into the front section roadway, the other end of the second water drain pipe extends into the rear section roadway, and a second high-pressure valve is further arranged at one end of the second water drain pipe.
2. The ore body roadway water plugging structure according to claim 1, wherein the surrounding rock wall of the ore body roadway comprises a first surrounding rock wall located between the front section roadway and the rear section roadway, the first surrounding rock wall forms a wedge-shaped space, and the section size of the wedge-shaped space gradually decreases from large to small in the direction from the rear section roadway to the front section roadway; correspondingly, the concrete block body comprises a concrete block body; the section size of concrete shutoff body main part by back end tunnel extremely by diminishing and forming the wedge in the direction in anterior segment tunnel gradually, the concrete shutoff body main part sets up in the wedge space just the outer peripheral face of concrete shutoff body main part with first country rock wall sealing connection.
3. The ore body roadway water shutoff structure according to claim 2, wherein the concrete block body main body gradually decreases in both width and height dimensions in a direction from the rear section roadway to the front section roadway.
4. The ore body roadway water shutoff structure according to claim 3, wherein the concrete block body main body is bilaterally symmetrical along a center line of the ore body roadway.
5. The ore body tunnel water shutoff structure according to any one of claims 2 to 4, wherein the surrounding rock walls of the ore body tunnel further include a second surrounding rock wall and a third surrounding rock wall, the second surrounding rock wall and the third surrounding rock wall being located on the front side and the rear side of the first surrounding rock wall, respectively, and being connected to the first surrounding rock wall; correspondingly, the concrete plugging body further comprises a front concrete support and a rear concrete support, the front concrete support is respectively in sealing connection with the second surrounding rock wall and the concrete plugging body main body, and the rear concrete support is respectively in sealing connection with the third surrounding rock wall and the concrete plugging body main body.
6. The ore body roadway water shutoff structure according to claim 5, further comprising a front grouting pipe and a rear grouting pipe; the front grouting pipes are distributed in the front-rear direction and the circumferential direction and penetrate through the front concrete support, and one ends of the front grouting pipes are anchored on the second surrounding rock wall; the rear grouting pipes are distributed in the front-rear direction and the circumferential direction and penetrate through the rear concrete support, and one ends of the rear grouting pipes are anchored on the third surrounding rock wall.
7. The ore body roadway water plugging structure according to any one of claims 1 to 5, wherein a pressure gauge is further arranged at one end of the second drain pipe.
8. The ore body roadway water shutoff structure according to any one of claims 1 to 5, further comprising a concrete buttress disposed in the front section roadway, the concrete buttress supporting one end of the second water drain pipe.
9. The ore body roadway water plugging structure according to any one of claims 1 to 5, wherein a plurality of second water drain pipes are provided, a plurality of second high-pressure valves are provided, one ends of the plurality of second water drain pipes extend into the front roadway, the other ends of the plurality of second water drain pipes extend into the rear roadway, and the second high-pressure valves are correspondingly provided at one ends of the plurality of second water drain pipes.
10. The ore body roadway water shutoff structure according to any one of claims 1 to 5, wherein the first sump pit, the second sump pit, and the first drain pipe are arranged adjacent to the same side of the ore body roadway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111551.4A CN110725717A (en) | 2019-11-14 | 2019-11-14 | Water plugging structure for ore body roadway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111551.4A CN110725717A (en) | 2019-11-14 | 2019-11-14 | Water plugging structure for ore body roadway |
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| CN110725717A true CN110725717A (en) | 2020-01-24 |
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| CN201911111551.4A Pending CN110725717A (en) | 2019-11-14 | 2019-11-14 | Water plugging structure for ore body roadway |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233390A (en) * | 2021-12-20 | 2022-03-25 | 中铁二院工程集团有限责任公司 | Auxiliary tunnel plugging structure suitable for weak surrounding rock and calculation method thereof |
| CN114239111A (en) * | 2021-12-20 | 2022-03-25 | 中铁二院工程集团有限责任公司 | Auxiliary tunnel plugging structure suitable for hard surrounding rock and calculation method thereof |
-
2019
- 2019-11-14 CN CN201911111551.4A patent/CN110725717A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233390A (en) * | 2021-12-20 | 2022-03-25 | 中铁二院工程集团有限责任公司 | Auxiliary tunnel plugging structure suitable for weak surrounding rock and calculation method thereof |
| CN114239111A (en) * | 2021-12-20 | 2022-03-25 | 中铁二院工程集团有限责任公司 | Auxiliary tunnel plugging structure suitable for hard surrounding rock and calculation method thereof |
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