CN112709257A - Complex geological comprehensive pipe gallery and construction method - Google Patents
Complex geological comprehensive pipe gallery and construction method Download PDFInfo
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- CN112709257A CN112709257A CN202011551448.4A CN202011551448A CN112709257A CN 112709257 A CN112709257 A CN 112709257A CN 202011551448 A CN202011551448 A CN 202011551448A CN 112709257 A CN112709257 A CN 112709257A
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- 238000010276 construction Methods 0.000 title claims abstract description 40
- 230000005641 tunneling Effects 0.000 claims abstract description 132
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims description 44
- 230000008093 supporting effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 12
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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Abstract
The invention discloses a complex geological comprehensive pipe gallery and a construction method, and belongs to the technical field of pipe gallery construction. A complex geological utility tunnel, comprising: the tunneling pipeline and the jacking pipeline are connected through the matched connecting male end and the connecting female end; the inner side wall of the connecting female end is provided with a wedge-shaped clamping groove; the inside wall of connecting public end is equipped with the stopper that stretches out to connect public end and contact with the inside wall of being connected female end, and the elastic component is buried underground to the inside of stopper, and the elastic component stretches out the stopper and the elastic component is connected with the wedge with wedge draw-in groove matched with. According to the complex geological comprehensive pipe gallery, the adjacent pipelines are connected through the male connecting end and the female connecting end, displacement cannot occur between the adjacent pipelines in the pipe jacking process, the axial consistency of the connected pipelines is guaranteed, and smooth pipe jacking operation is facilitated. The complex geological comprehensive pipe gallery can shorten the construction time, reduce the construction cost and improve the construction efficiency in the construction process.
Description
Technical Field
The invention relates to the technical field of pipe gallery construction, in particular to a complex geological comprehensive pipe gallery and a construction method.
Background
The city underground comprehensive pipe gallery is also called as a common ditch and a common pipeline, is characterized in that an intensive tunnel space is built underground, more than two municipal pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are intensively laid in the pipe gallery, and a special access hole, a lifting hole and a detection system are arranged, so that unified planning, design, construction and maintenance are carried out, and the city underground comprehensive pipe gallery has the characteristics of comprehensiveness, long-acting type, maintainability, high-tech, earthquake and disaster resistance, environmental protection, low cost and the like.
When the urban underground comprehensive pipe gallery is constructed, four construction methods are generally adopted: cast-in-place injection method, pipe jacking method, open cut prefabrication and assembly method and shield method. The pipe jacking method is used for the pipe gallery to pass through various obstacles such as railways, roads, rivers or buildings, and the underground excavation type construction method is adopted, but under a complex geological environment, soil around the pipes can generate transverse force on the pipes, and when the pipe jacking method is adopted, long-distance pipe jacking can be divided into a plurality of sections.
Disclosure of Invention
The invention aims to provide a complex geological comprehensive pipe gallery and a construction method, and aims to solve the problem that adjacent pipelines deviate from each other in the existing pipe jacking process.
The technical scheme for solving the technical problems is as follows:
a complex geological utility tunnel, comprising: the tunneling pipeline and the multiple jacking pipelines are axially and sequentially connected; the tunneling pipeline comprises a tunneling end and a connecting female end, and the jacking pipeline comprises a connecting male end and a connecting female end; the female connecting end is matched with the male connecting end;
the inner side wall of the connecting female end is provided with a wedge-shaped clamping groove; connect the inside wall of public end and be equipped with the stopper that stretches out to connect public end and contact with the inside wall of being connected female end, the elastic component is buried underground to the inside of stopper, and the elastic component stretches out the stopper and the elastic component is connected with the wedge with wedge draw-in groove matched with, and the public end is connected dorsad to the wedge face of wedge.
The complex geological comprehensive pipe gallery comprises a tunneling pipeline and a plurality of jacking pipelines, adjacent pipelines are connected through a male connecting end and a female connecting end, when the pipelines are connected, a limiting block of the male connecting end extends into the female connecting end and is in contact with the inner side wall of the female connecting end, at the moment, an elastic piece deforms under the supporting action of a wedge block, after the limiting block extends in place, the wedge block enters a wedge-shaped clamping groove under the action of elasticity to restrict the axial displacement between the adjacent connecting pipelines, and in the pipe jacking process, the adjacent pipelines cannot displace, so that the whole connected pipelines are ensured to have axial consistency, and the smooth pipe jacking operation is facilitated.
Furthermore, the outer side wall of the limiting block is flush with the inner side walls of the tunneling pipeline and the jacking pipeline, and the outer side wall of the elastic piece is also flush with the inner side walls of the tunneling pipeline and the jacking pipeline.
The limiting blocks and the elastic pieces are flush with the inner side walls of the tunneling pipeline and the jacking pipeline, and the wedge-shaped blocks are not easy to separate from the wedge-shaped clamping grooves after adjacent pipelines are connected.
Furthermore, the inner side wall of the connecting female end is provided with anti-rotation blocks at intervals along the extension direction; the gap between the adjacent anti-rotation blocks is matched with the limiting block.
The anti-rotation blocks are used for preventing adjacent pipelines from rotating, and when the limiting blocks are positioned in the connecting female end, the limiting blocks can be clamped between the adjacent anti-rotation blocks to circumferentially restrict the pipelines.
Furthermore, one end of the anti-rotation block, which is close to the end face of the connecting female end, is provided with a guide inclined plane.
The guide inclined plane arranged on the anti-rotation block is convenient for guiding the limiting block into the gap between the adjacent anti-rotation blocks and the butt joint between the adjacent pipelines at the edge.
Furthermore, the side walls of the tunneling pipeline and the jacking pipeline are respectively provided with a pipe joint, and the pipe joints face the inner parts of the corresponding pipelines.
The pipe joint is used for guiding external media such as high-pressure air, high-pressure water flow and the like into a soil body from the interior of a pipeline, and finely adjusting the tunneling direction of the pipeline through a counterforce so as to ensure that tunneling is carried out according to a preset direction.
Furthermore, a stop ring and a sealing ring are arranged at the contact position between the male end and the female end, the stop ring and the sealing ring are respectively embedded in the end face of the male end, and the sealing ring is positioned on the inner side of the stop ring.
The blocking ring is used for blocking soil, sand, stones and the like in a soil body, and prevents the sealing ring from being damaged due to entering gaps between adjacent pipelines, so that the sealing effectiveness between the adjacent pipelines can be ensured.
The construction method of the complex geological comprehensive pipe rack comprises the complex geological comprehensive pipe rack, and is characterized by comprising the following steps:
s1: respectively excavating a working well and a receiving well on a line of a pipeline to be buried;
s2: installing hoisting equipment at the edge of a wellhead of a working well, installing a jack in the working well, enabling the jack to face a receiving well, installing an arc-shaped supporting device in the working well, and enabling the axis of the arc-shaped supporting device to coincide with the axis of the jack;
s3: hoisting a tunneling pipeline into a working well through hoisting equipment and placing the tunneling pipeline on an arc-shaped supporting device, wherein a tunneling end of the tunneling pipeline is close to a soil body to be tunneled, and a connecting female end of the tunneling pipeline is in contact with a jack;
s4: arranging tunneling equipment at one end of the tunneling pipeline close to the soil body to be tunneled;
s5: starting the jack and the tunneling equipment, excavating the soil body to be tunneled by the tunneling equipment under the driving of the jack, simultaneously extending a tunneling pipeline into the soil body to be tunneled, and transporting the excavated soil body from the tunneling pipeline and outwards conveying the excavated soil body through the hoisting equipment;
s6: when one end of the tunneling pipeline connected with the jack is close to a soil body to be tunneled, the tunneling equipment stops working, and the jack works reversely, so that the distance between the jack and the tunneling pipeline is larger than the length of the jacking pipeline;
s7: the jacking pipeline is hoisted into the working well through hoisting equipment and placed on the arc-shaped supporting device, the limiting block extends into the connecting female end of the tunneling pipeline, the jack is started, the jack is made to be in contact with the connecting female end of the jacking pipeline and extrude the jacking pipeline until the wedge-shaped block is connected with the wedge-shaped clamping groove;
s8: the jack continues to work, the tunneling equipment is started, the tunneling equipment continues to excavate the soil body to be tunneled under the driving of the jack, meanwhile, the jacking pipeline extends into the soil body to be tunneled, and the excavated soil body is transported from the tunneling pipeline and the jacking pipeline and is conveyed outwards through the hoisting equipment;
s9: and repeating S6-S8, and sequentially jacking the plurality of jacking pipelines into the soil body to be tunneled until the tunneling pipeline and the jacking pipelines communicate the working well with the receiving well.
In the construction method of the complex geological comprehensive pipe gallery, the adjacent pipes can be quickly connected only through simple butt joint, the construction time is shortened, the adjacent pipes are consistent in axis after being connected, the situations of dislocation or deviation and the like cannot occur, the feeding direction of the pipe gallery is consistent with the working direction of the jack, the number of parking times and time caused by dislocation and deviation are reduced, the construction efficiency is improved, meanwhile, the feeding direction of the pipe gallery is consistent with the working direction of the jack, the occurrence of additional transverse force can be reduced, the energy consumption of the jack is reduced, and the construction cost is reduced. And the excavating equipment is arranged in the excavating pipeline, and the jack simultaneously provides feeding power for the pipe gallery and the excavating equipment, namely the pipe gallery and the excavating equipment move synchronously, so that the construction difficulty is reduced, the construction cost is reduced, and the construction efficiency is greatly improved.
Furthermore, the jack comprises a jack body and a U-shaped pressing plate, wherein the gathering end of the U-shaped pressing plate is connected with the jack body, and the bifurcation end of the U-shaped pressing plate is far away from the jack body; an infrared light source is arranged on the inner side of the U-shaped pressing plate;
in the step S5, starting an infrared light source, enabling infrared rays to penetrate through the tunneling pipeline, and determining whether tunneling of the tunneling pipeline deviates or not by comparing the position relation between the infrared rays and the inner wall of the tunneling pipeline;
in step S8, it is determined whether the top pressure pipe and the tunneling pipe are axially connected by comparing the infrared ray with the positional relationship between the tunneling pipe and the top pressure pipe, and it is determined whether the tunneling of the tunneling pipe and the top pressure pipe is deviated.
According to the invention, whether the feeding directions of the tunneling pipeline and the jacking pipeline deviate from the movement direction of the jack is determined by infrared rays in the construction process of the pipe gallery, the deviated tunneling pipeline and the jacking pipeline are corrected in time in the construction process, and the feeding directions of the tunneling pipeline and the jacking pipeline can be reversely corrected by connecting high-pressure media into pipe joints in the tunneling pipeline and the jacking pipeline.
Further, the arc-shaped supporting device comprises a support and an arc-shaped limiting piece arranged on the support, and the diameter of the arc-shaped limiting piece is consistent with the diameters of the tunneling pipeline and the jacking pipeline;
in step S2, when the arc support device is installed, the support is fixed to the bottom of the working well, and the axis of the arc limit piece coincides with the axis of the jack.
In the construction process of the pipe gallery, the pipes are placed in the arc limiting pieces, and the arc limiting pieces have guiding and supporting functions on the feeding motion of the pipes.
Further, the tunneling equipment comprises a motor and a cutter head, and the cutter head is connected with a motor shaft of the motor;
in step S4, when the heading device is to be installed, the motor is fixedly installed inside the heading pipe, and the cutter head is positioned outside the heading end.
The invention has the following beneficial effects:
(1) according to the complex geological comprehensive pipe gallery, the adjacent pipelines are connected through the male connecting end and the female connecting end, displacement cannot occur between the adjacent pipelines in the pipe jacking process, the axial consistency of the connected pipelines is guaranteed, and smooth pipe jacking operation is facilitated.
(2) In the construction process of the complex geological comprehensive pipe gallery, the adjacent pipelines can be quickly connected only by simple butt joint, the construction time is shortened, the adjacent pipelines have axis consistency after being connected, the conditions of dislocation or deviation and the like cannot occur, the feeding direction of the pipe gallery is consistent with the working direction of the jack, the stop times and time caused by dislocation and deviation are reduced, and the construction efficiency is improved.
(3) The feeding direction of the pipe gallery is consistent with the working direction of the jack, and the occurrence of additional transverse force can be reduced, so that the energy consumption of the jack is reduced, and the construction cost is reduced.
(4) The tunneling equipment is arranged in the tunneling pipeline, and the jack simultaneously provides feeding power for the pipe gallery and the tunneling equipment, namely the pipe gallery and the tunneling equipment move synchronously, so that the construction difficulty is reduced, the construction cost is reduced, and the construction efficiency is greatly improved.
(5) The invention adopts infrared rays to determine whether the feeding direction of the tunneling pipeline and the jacking pipeline deviates from the movement direction of the jack, and corrects the deviated tunneling pipeline and the jacking pipeline in time in the construction process.
Drawings
FIG. 1 is a schematic structural view of a complex geological utility of the present invention;
figure 2 is a schematic structural view of the ripper tube of the present invention;
FIG. 3 is a schematic view of the structure of the top pressure pipe of the present invention;
FIGS. 4 and 5 are schematic views of the female terminal according to the present invention;
FIG. 6 is a schematic illustration of a complex geological complex of the present invention as it is being constructed;
FIG. 7 is a schematic view of the connection between the female connection end and the U-shaped platen according to the present invention;
fig. 8 is a schematic structural diagram of the supporting device of the present invention.
In the figure: 10-tunneling a pipeline; 11-a digging end; 20-jacking and pressing the pipeline; 30-connecting the female terminal; 31-connecting a male end; 32-wedge shaped card slot; 33-a limiting block; 34-an elastic member; 35-a wedge block; 36-anti-rotation block; 37-a guide ramp; 38-a blocking ring; 39-a sealing ring; 40-pipe joint; 50-a working well; 60-a receiving well; 70-a hoisting device; 80-jack; 81-jack body; 82-U shaped pressure plate; 83-infrared light source; 90-a support device; 91-support; 92-an arc stop; 100-tunneling equipment; 110-a motor; 120-cutter head.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1, a complex geological utility comprises: the tunneling pipeline 10 and the jacking pipelines 20 are axially connected in sequence. The tunneling pipeline 10 is a pipeline which initially extends into the soil body, after the tunneling pipeline 10 is jacked into the soil body, the jacking pipeline 20 is connected and then jacked, and then the jacking pipeline 20 is repeatedly connected and jacked, so that the tunneling pipeline 10 and the jacking pipelines 20 are jacked into the soil body, and the construction of the comprehensive pipe gallery is completed by adopting a jacking method.
Referring to fig. 2 and 3, the excavating pipe 10 includes an excavating end 11 and a connecting female end 30, and the top pressure pipe 20 includes a connecting male end 31 and a connecting female end 30. The digging end 11 is the end which is originally extended into the soil body, and the connecting female end 30 is matched with the connecting male end 31 to connect the adjacent pipelines. The side walls of the tunneling pipeline 10 and the jacking pipeline 20 are respectively provided with a plurality of pipe joints 40 along the circumferential direction, and the pipe joints 40 face the inner part of the corresponding pipelines and are used for introducing high-pressure fluid media such as water, air and the like into a tunneling soil body and finely adjusting the tunneling direction under the action of a reaction force.
Referring to fig. 2 to 5, the inner side wall of the female connection end 30 is provided with a wedge-shaped slot 32, and a wedge surface of the wedge-shaped slot 32 faces away from the male connection end 31. A gap is formed between the wedge-shaped clamping groove 32 and the end face of the connecting female end 30, a plurality of anti-rotation blocks 36 are arranged in the gap, the anti-rotation blocks 36 are arranged along the axis of the corresponding pipeline, and the anti-rotation blocks 36 are uniformly arranged at intervals along the circumferential direction of the pipeline. The end of the anti-rotation block 36 near the end surface of the connecting female end 30 is provided with a guide slope 37.
Connect public end 31 to be connected with connecting female end 30 through the mode of butt joint, connect the terminal surface of public end 31 and the terminal surface contact of connecting female end 30 promptly, the terminal surface of connecting public end 31 inlays and is equipped with stop ring 38 and sealing ring 39, stop ring 38 is located the outside of sealing ring 39, and when connecting public end 31 and connecting female end 30 and connecting, stop ring 38 is used for stopping soil, grit etc. and enters into the hookup location, avoids causing the damage to sealing ring 39.
The inside wall of connecting public end 31 is equipped with stopper 33, and stopper 33 stretches out and connects public end 31 and stretch into and connect female end 30 in, and simultaneously, stopper 33 card is between two adjacent anti-rotation blocks 36 for it is spacing to circumference. In this embodiment, the inner side wall of the connection male end 31, the inner side wall of the connection female end 30, the outer side wall of the anti-rotation block 36 and the outer side wall of the limiting block 33 (with the inner and outer sides of the pipes as references) are all flush, so as to avoid the occurrence of a large gap in the radial direction and the occurrence of displacement at the connection position between adjacent pipes.
A construction method of a complex geological comprehensive pipe gallery comprises the following equipment: hoisting equipment 70, jack 80, arc support device 90, tunneling equipment 100, and the complex geological utility tunnel described above.
The jack 80 comprises a jack body 81 and a U-shaped pressing plate 82, wherein the gathering end of the U-shaped pressing plate 82 is connected with the jack body 81, the branching end of the U-shaped pressing plate 82 is connected with the jack body 81, an infrared light source 83 is arranged on the inner side of the U-shaped pressing plate 82, and the direction of infrared rays generated by the infrared light source 83 is parallel to the movement direction of the jack 80.
The arc supporting device 90 comprises a support 91 and an arc limiting member 92 fixedly arranged on the support 91, wherein the opening of the arc limiting member 92 faces upwards, and the diameter of the arc limiting member 92 is consistent with the diameter of the tunneling pipe 10 and the diameter of the jacking pipe 20.
The heading device 100 includes a motor 110 and a cutter head 120, with the cutter head 120 being connected to a motor shaft of the motor 110.
A construction method of a complex geological comprehensive pipe gallery comprises the following steps:
s1: respectively excavating a working well 50 and a receiving well 60 on a line of a pipeline to be buried, for example, respectively excavating the working well 50 and the receiving well 60 on two sides of a road, a railway, a river or a building;
s2: hardening the side wall and the bottom wall of the working well 50 through concrete, and reserving a jacking position close to the side wall of the receiving well 60;
s3: installing a hoisting device 70 at the edge of a wellhead of the working well 50, wherein the hoisting device 70 can be a gantry crane and the like; installing a jack 80 in the working well 50, installing a jack body 81 on the side wall far away from the receiving well 60, enabling the forked end of the U-shaped pressing plate 82 to face a reserved jacking position, and enabling the movement direction of the jack 80 to be consistent with the set jacking direction; an arc-shaped supporting device 90 is installed on the bottom wall of the working well 50, a support 91 is fixedly installed on the bottom wall of the working well 50 and is close to a reserved jacking position, and the axial direction of an arc-shaped limiting piece 92 is made to coincide with the axial line of the jack 80;
s4: the tunneling pipeline 10 is hung into the working well 50 through the hoisting equipment 70 and placed on the arc-shaped limiting piece 92, the tunneling end 11 of the tunneling pipeline 10 is close to the reserved jacking position, the female connecting end 30 of the tunneling pipeline 10 is in contact with the forked end of the U-shaped pressing plate 82, and the axis of the tunneling pipeline 10 is overlapped with the axis of the jack 80; the U-shaped pressing plate 82 does not seal the tunneling pipeline 10, so that the slag soil generated by tunneling can be conveniently led out;
s5: arranging a tunneling device 100 at one end of the tunneling pipeline 10 close to the soil body to be tunneled, namely at the tunneling end 11, and fixedly installing a motor 110 in the tunneling pipeline 10 to enable a cutter head 120 to extend out of the tunneling end 11 and to be close to a reserved jacking position;
s6: starting the jack 80 and the tunneling equipment 100, driving the jack 80 to drive the cutterhead 120 to start excavating the soil body to be tunneled, simultaneously extending the tunneling pipeline 10 into the soil body to be tunneled, and transporting the excavated soil body from the tunneling pipeline 10 and conveying the excavated soil body to the outside through the hoisting equipment 70; during the tunneling process, the infrared light source 83 is turned on, infrared rays pass through the tunneling pipeline 10 and are close to the side wall of the tunneling pipeline 10, and whether tunneling of the tunneling pipeline 10 deviates or not is determined by comparing the position relationship between the infrared rays and the inner wall of the tunneling pipeline 10; the tunneling deviation is found through comparison, the corresponding pipe joint 40 is communicated with external high-pressure water, the high-pressure water is pressed into a soil body, and the tunneling direction is finely adjusted through reaction force;
s7: when the connecting female end 30 of the tunneling pipeline 10 is close to a soil body to be tunneled, the tunneling equipment 100 stops working, the jack 80 works reversely, the U-shaped pressing plate 82 is separated from the tunneling pipeline 10 until the distance between the jack 80 and the tunneling pipeline 10 is larger than the length of the jacking pipeline 20;
s8: the jacking pipeline 20 is hung into the working well 50 through the hoisting equipment 70 and placed on the arc-shaped limiting piece 92, the stop ring 38 and the sealing ring 39 are sleeved on the connecting male end 31 of the jacking pipeline 20, the limiting piece 33 extends into the connecting female end 30 of the tunneling pipeline 10, the jack 80 is started, the jack 80 is made to be in contact with the connecting female end 30 of the jacking pipeline 20 and extrude the jacking pipeline 20 until the wedge-shaped block 35 is connected with the wedge-shaped clamping groove 32;
s9: the jack 80 continues to work, the tunneling equipment 100 is started, the tunneling equipment 100 continues to excavate the soil body to be tunneled under the driving of the jack 80, meanwhile, the jacking pipeline 20 extends into the soil body to be tunneled, and the excavated soil body is transported from the tunneling pipeline 10 and the jacking pipeline 20 and is conveyed outwards through the hoisting equipment 70; in the tunneling process, whether tunneling of the tunneling pipeline 10 deviates or not is determined continuously by comparing the position relation between the infrared rays and the inner wall of the tunneling pipeline 10, and the high-pressure water is communicated by adopting the pipe joint 40 to finely adjust the tunneling direction, so that the tunneling direction is ensured to be consistent with the set tunneling direction;
s10: and repeating the steps from S7 to S9, and sequentially jacking the jacking pipelines 20 to the soil body to be tunneled until the tunneling pipeline 10 and the jacking pipelines 20 communicate the working well 50 with the receiving well 60.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A complex geological utility tunnel, comprising: the tunneling pipeline (10) and the jacking pipelines (20) are axially and sequentially connected; the tunneling pipeline (10) comprises a tunneling end (11) and a connecting female end (30), and the jacking pipeline (20) comprises a connecting male end (31) and a connecting female end (30); the female connecting end (30) is matched with the male connecting end (31);
the inner side wall of the connecting female end (30) is provided with a wedge-shaped clamping groove (32); connect the inside wall of public end (31) be equipped with stretch out connect public end (31) and with stopper (33) of the inside wall contact of female end (30) are connected, elastic component (34) are buried underground to the inside of stopper (33), elastic component (34) stretch out stopper (33) and elastic component (34) be connected with wedge draw-in groove (32) matched with wedge (35), the wedge face of wedge (35) dorsad connect public end (31).
2. The complex geological complex according to claim 1, characterized in that the outer side wall of the limiting block (33) is flush with the inner side walls of the tunneling pipe (10) and the jacking pipe (20), and the outer side wall of the elastic member (34) is also flush with the inner side walls of the tunneling pipe (10) and the jacking pipe (20).
3. The complex geological complex according to claim 2, characterized in that the inner side wall of the female end (30) is provided with anti-rotation blocks (36) at intervals along its extension direction; the gap between the adjacent anti-rotation blocks (36) is matched with the limiting block (33).
4. The complex geological utility tunnel according to claim 3, characterized in that the end of the anti-rotation block (36) close to the end face of the connecting female end (30) is provided with a guiding bevel (37).
5. Complex geological complex according to claim 1, characterized in that the side walls of the tunnelling pipe (10) and the jacking pipe (20) are provided with respective pipe couplings (40), said pipe couplings (40) being directed towards the inside of the corresponding pipe.
6. The complex geological complex according to any of the claims 1-5, characterized in that the contact position between the male connection end (31) and the female connection end (30) is provided with a blocking ring (38) and a sealing ring (39), the blocking ring (38) and the sealing ring (39) are embedded in the end surface of the male connection end (31), respectively, and the sealing ring (39) is located inside the blocking ring (38).
7. A method of construction of a complex geological utility comprising the complex geological utility of any of claims 1 to 6, characterized in that it comprises the steps of:
s1: respectively excavating a working well (50) and a receiving well (60) on a line of a pipeline to be buried;
s2: installing a hoisting device (70) at the edge of a wellhead of a working well (50), installing a jack (80) in the working well (50) and enabling the jack (80) to face a receiving well (60), installing an arc-shaped supporting device (90) in the working well (50) and enabling the axis of the arc-shaped supporting device (90) to be coincident with the axis of the jack (80);
s3: hoisting the tunneling pipeline (10) into a working well (50) through a hoisting device (70) and placing the tunneling pipeline on an arc-shaped supporting device (90), wherein a tunneling end (11) of the tunneling pipeline (10) is close to a soil body to be tunneled, and a connecting female end (30) of the tunneling pipeline (10) is in contact with a jack (80);
s4: arranging tunneling equipment (100) at one end of the tunneling pipeline (10) close to the soil body to be tunneled;
s5: starting the jack (80) and the tunneling equipment (100), driving the tunneling equipment (100) to excavate a soil body to be tunneled under the driving of the jack (80), simultaneously extending the tunneling pipeline (10) into the soil body to be tunneled, and transporting the excavated soil body from the tunneling pipeline (10) and conveying the excavated soil body to the outside through the hoisting equipment (70);
s6: when one end of the tunneling pipeline (10) connected with the jack (80) is close to a soil body to be tunneled, the tunneling equipment (100) stops working, the jack (80) works reversely, and the distance between the jack (80) and the tunneling pipeline (10) is larger than the length of the jacking pipeline (20);
s7: the jacking pipeline (20) is lifted into the working well (50) through the hoisting equipment (70) and placed on the arc-shaped supporting device (90), the limiting block (33) extends into the connecting female end (30) of the tunneling pipeline (10), the jack (80) is started, the jack (80) is made to contact with the connecting female end (30) of the jacking pipeline (20) and extrude the jacking pipeline (20) until the wedge-shaped block (35) is connected with the wedge-shaped clamping groove (32);
s8: the jack (80) continues to work, the tunneling equipment (100) is started, the tunneling equipment (100) continues to excavate the soil body to be tunneled under the driving of the jack (80), meanwhile, the jacking pipeline (20) extends into the soil body to be tunneled, and the excavated soil body is transported from the tunneling pipeline (10) and the jacking pipeline (20) and is conveyed to the outside through the hoisting equipment (70);
s9: and repeating the steps from S6 to S8, sequentially jacking the jacking pipelines (20) to the soil body to be tunneled until the tunneling pipeline (10) and the jacking pipeline (20) communicate the working well (50) and the receiving well (60).
8. The construction method of the complex geological utility tunnel according to claim 7, characterized in that the jack (80) comprises a jack body (81) and a U-shaped pressing plate (82), the converging end of the U-shaped pressing plate (82) is connected with the jack body (81), and the diverging end of the U-shaped pressing plate (82) is far away from the jack body (81); an infrared light source (83) is arranged on the inner side of the U-shaped pressing plate (82);
in the step S5, an infrared light source (83) is started, infrared rays penetrate through the tunneling pipeline (10), and whether tunneling of the tunneling pipeline (10) deviates or not is determined by comparing the position relation between the infrared rays and the inner wall of the tunneling pipeline (10);
in step S8, whether the top pressure pipe (20) is axially connected to the tunneling pipe (10) is determined by comparing the infrared ray with the positional relationship between the tunneling pipe (10) and the top pressure pipe (20), and whether the tunneling of the tunneling pipe (10) and the top pressure pipe (20) deviates is determined.
9. The construction method of the complex geological comprehensive pipe gallery according to the claim 8, characterized in that the arc supporting device (90) comprises a support (91) and an arc limiting piece (92) arranged on the support (91), the diameter of the arc limiting piece (92) is consistent with the diameter of the tunneling pipe (10) and the jacking pipe (20);
in step S2, when the arc support device (90) is installed, the support (91) is fixed to the bottom of the working well (50), and the axis of the arc stopper (92) coincides with the axis of the jack (80).
10. The construction method of the complex geological utility tunnel according to claim 9, characterized in that the tunneling apparatus (100) comprises a motor (110) and a cutter head (120), the cutter head (120) is connected with a motor shaft of the motor (110);
in step S4, when the excavating equipment (100) is installed, the motor (110) is fixedly installed inside the excavating pipeline (10), and the cutter head (120) is positioned outside the excavating end (11).
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