CN113187497A - Steel casing type pipe jacking shield machine receiving well structure and construction method - Google Patents
Steel casing type pipe jacking shield machine receiving well structure and construction method Download PDFInfo
- Publication number
- CN113187497A CN113187497A CN202110393091.XA CN202110393091A CN113187497A CN 113187497 A CN113187497 A CN 113187497A CN 202110393091 A CN202110393091 A CN 202110393091A CN 113187497 A CN113187497 A CN 113187497A
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- Prior art keywords
- steel casing
- well structure
- hole
- receiving well
- shield
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 78
- 239000010959 steel Substances 0.000 title claims abstract description 78
- 238000010276 construction Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000005641 tunneling Effects 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000005553 drilling Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 239000010802 sludge Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
- E21D9/0873—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines the shield being provided with devices for lining the tunnel, e.g. shuttering
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- 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
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
-
- 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
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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)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a steel pile casing type pipe jacking shield machine receiving well structure and a construction method, wherein the steel pile casing is embedded into a relative seepage-proofing layer of a riverbed at the bottom end, and a hole is preset on the side wall of the steel pile casing; and a water stopping material is annularly arranged at the hole of the hole and is tightly attached to the outer wall of the shield tunneling machine or the jacking pipe. The invention provides a receiving well structure of a steel pile casing type pipe-jacking shield machine and a construction method aiming at the problem that the conventional pipe-jacking well cannot be suitable for the underwater environment of a river channel or a reservoir, so that a first section of water conveying pipeline connected with a water intake can be constructed by adopting a pipe-jacking method, the project period can be greatly shortened, and the construction efficiency can be improved.
Description
Technical Field
The invention relates to the field of water conservancy and municipal engineering, in particular to a steel pile casing type pipe jacking shield machine receiving well structure and a construction method.
Background
In water conservancy and municipal engineering, a pipe jacking method is a common construction method. The shield machine receiving well is a receiving device of a shield machine for excavating a tunnel at the front end of a jacking pipe, and is generally arranged on dry land. The receiving well is commonly used in the form of an open caisson, an underground continuous wall, a steel cement soil mixing wall and the like, and is usually of a concrete structure. If a receiving well can be arranged in a river channel or a reservoir of the water intake, the first section of water conveying pipeline connected with the water intake can also be constructed by adopting a pipe-jacking method, so that the construction period can be greatly shortened, and the construction efficiency can be improved. The conventional pipe jacking well cannot be applied to underwater environments such as river channels or reservoirs due to the fact that the conventional pipe jacking well does not meet the requirements of seepage prevention or construction and the like.
Based on the situation, the invention provides a steel casing type pipe jacking shield machine receiving well structure and a construction method, and the problems can be effectively solved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a steel casing type pipe jacking shield machine receiving well structure and a construction method.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a steel casing type pipe jacking shield machine receiving well structure which comprises a steel casing with the bottom end embedded into a relative seepage-proofing layer of a riverbed and a hole preset on the side wall of the steel casing, wherein a limiting channel for a shield machine or a pipe jacking to penetrate is arranged on the side wall of the steel casing at the position corresponding to the hole, and a plugging material is filled in the limiting channel to plug the hole; and a water stopping material is annularly arranged at the hole of the hole and is tightly attached to the outer wall of the shield tunneling machine or the jacking pipe.
As a preferred technical scheme of the invention, a concrete impermeable layer with a certain height is backfilled between the bottom of the hole and the top of the relative impermeable layer of the riverbed.
As a preferable technical scheme of the invention, the diameter of the hole is larger than that of the shield tunneling machine.
As a preferred technical scheme of the invention, the bottom of the steel casing is provided with an inclined groove.
As a preferable technical scheme of the invention, the diameter of the steel casing is larger than the length of the shield tunneling machine.
As a preferable technical scheme of the invention, the water stopping material is P-type rubber water stopping.
In a preferred embodiment of the present invention, the plugging material is a resin-based anti-seepage material.
As a preferred technical scheme of the invention, the limiting channel is a flange.
As a preferable technical scheme of the invention, the top of the steel casing is higher than the river surface.
The invention also provides a construction method of the receiving well structure of the steel pile casing type pipe-jacking shield machine, which is characterized in that the receiving well structure is prefabricated in a factory and then transported to a specified position; the construction method comprises the following steps:
s1, vertically placing the steel casing on the river surface, hammering the steel casing into the riverbed by adopting a vibration hammer until the steel casing is inserted into a relative impermeable layer of the riverbed with smaller water permeability;
s2, after the steel casing is in place, draining river water in the steel casing, excavating sludge in the steel casing to reach a relative impermeable layer of a river bed, and then paving a concrete impermeable layer with a certain thickness at the bottom of the steel casing;
s3, adjusting the shield tunneling machine to be in place, cutting plugging objects filled in the flange by the machine head, and drilling the shield tunneling machine into the steel casing from the reserved hole on the wall of the casing;
s4, under the pressure of external water, the water-stopping material at the hole can cling to the outer wall of the shield tunneling machine or the jacking pipe to prevent the external water from entering the steel casing;
and S5, taking out the shield machine from the steel casing after the shield machine passes through the reserved hole, and finishing the receiving work of the shield machine.
Compared with the prior art, the invention has the following advantages and beneficial effects:
aiming at the problem that the conventional pipe jacking well cannot be applied to the underwater environment of a river channel or a reservoir, the invention provides the receiving well structure of the steel pile casing type pipe jacking shield machine and the construction method, so that the first section of water conveying pipeline connected with a water intake can be constructed by adopting a pipe jacking method, the project period can be greatly shortened, and the construction efficiency can be improved.
Drawings
FIG. 1 is a schematic diagram of an exemplary cross-sectional configuration of the present invention;
reference numerals: 1-a steel casing; 2-oblique beveling; 3-holes; 4-a limiting channel; 5-plugging material; 6-water stopping material; 7-concrete impermeable layer; 8, a shield machine; 9-jacking pipe.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The invention will be further described with reference to the accompanying fig. 1 and examples, but is not to be construed as being limited thereto.
As shown in fig. 1, the invention provides a receiving well structure of a steel casing type pipe-jacking shield machine, which overcomes the problem that the conventional pipe-jacking well cannot be applied to the underwater environment of a river channel or a reservoir, so that the first section of water pipeline connected with a water intake can be constructed by adopting the pipe-jacking method of the invention; the receiving well structure comprises a large-diameter steel casing 1, a limiting channel 4, a plugging object 5, a water stopping material 6, a concrete impermeable layer 7 and the like.
The side wall of the steel casing 1 at the position corresponding to the hole 3 is provided with a limit channel 4 for a shield machine 8 or a jacking pipe 9 to penetrate, and the limit channel 4 is filled with a plugging material 5 for plugging the hole 3.
Further, in order to ensure that the shield machine 8 can be taken out of the steel casing 1, the diameter of the steel casing 1 should be larger than the length of the shield machine 8.
Furthermore, the aperture of the hole 3 and the aperture of the limiting channel 4 are both larger than the diameter of the shield machine 8 or the diameter of the jacking pipe 9; the limiting channel 4 is preferably arranged as a flange and is fixedly connected with the side wall of the steel casing 1; the blocking object 5 is preferably set to be a resin seepage-proofing object to seal the limiting channel 4.
Wherein, a circle of water-stopping material 6 is annularly arranged outside the plugging object 5, and the water-stopping material 6 is tightly attached to the outer wall of the shield machine or the jacking pipe to prevent external water from entering the steel casing 1; the water stopping material 6 is preferably arranged as a P-type rubber water stop.
And a concrete impermeable layer 7 with a certain height is backfilled between the bottom of the hole 3 and the top of the relative impermeable layer of the riverbed, so that the top surface of the concrete impermeable layer 7 is lower than the hole 3, and the shield machine 8 or the jacking pipe 9 can smoothly pass through the hole 3.
Furthermore, in order to facilitate the smooth hammering of the steel casing 1 into the riverbed, an inclined groove 2 is formed at the bottom end of the steel casing 1.
Furthermore, the shield channel near the river channel is higher than the riverbed, and the shield machine 8 is matched with the specification of the first section of water pipeline.
Based on the structure, the invention also provides a construction method of the receiving well structure, which comprises the following steps:
s1, vertically placing the steel casing 1 on the river surface, hammering the steel casing 1 into the riverbed by adopting a vibration hammer until the steel casing 1 is inserted into a relative impermeable layer of the riverbed with smaller water permeability, and after the steel casing 1 is in place, the top of the steel casing should be higher than the river surface;
s2, after the steel casing 1 is in place, draining river water in the steel casing 1, excavating sludge in the steel casing 1 to reach a relative impermeable layer of a river bed, and then paving a concrete impermeable layer 7 with a certain thickness at the bottom of the steel casing 1;
s3, adjusting the shield tunneling machine 8 to be in place, cutting the plugging object 5 filled in the flange by the machine head, and drilling the shield tunneling machine 8 into the steel casing 1 from the reserved hole 3 of the cylinder wall;
s4, under the pressure of external water, the water stopping material 6 at the hole can cling to the outer wall of the shield tunneling machine 8 or the top pipe 9 to prevent the external water from entering the steel casing 1;
and S5, taking out the shield machine 8 from the steel casing 1 after the shield machine 8 passes through the reserved hole 3, and finishing the receiving work of the shield machine 8.
According to the description and the attached drawings of the invention, a person skilled in the art can easily manufacture or use the steel casing type pipe jacking shield machine receiving well structure and can generate the positive effects recorded by the invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a steel protects a formula push pipe shield structure and receives well structure which characterized in that: the anti-seepage device comprises a steel casing (1) with the bottom end embedded into a relative anti-seepage layer of a riverbed and a hole (3) preset on the side wall of the steel casing (1), wherein a limiting channel (4) for a shield machine (8) or a jacking pipe (9) to penetrate is arranged on the side wall of the steel casing (1) at the position corresponding to the hole (3), and a plugging material (5) is filled in the limiting channel (4) to plug the hole (3); and a water stopping material (6) is annularly arranged at the hole of the hole (3), and the water stopping material (6) is tightly attached to the outer wall of the shield machine (8) or the jacking pipe (9).
2. The steel casing type pipe jacking shield tunneling machine receiving well structure according to claim 1, characterized in that: and a concrete impermeable layer (7) with a certain height is backfilled between the bottom of the hole (3) and the top of the relative impermeable layer of the riverbed.
3. The steel casing type pipe jacking shield tunneling machine receiving well structure according to claim 1, characterized in that: the diameter of the hole (3) is larger than that of the shield tunneling machine (8).
4. The steel casing type pipe jacking shield tunneling machine receiving well structure according to claim 1, characterized in that: the bottom of the steel casing (1) is provided with an inclined groove (2).
5. The steel casing type pipe jacking shield tunneling machine receiving well structure according to claim 1, characterized in that: the diameter of the steel casing (1) is larger than the length of the shield tunneling machine (8).
6. The steel casing type pipe jacking shield tunneling machine receiving well structure according to claim 1, characterized in that: the water stopping material (6) is P-type rubber water stopping.
7. The steel casing type pipe jacking shield tunneling machine receiving well structure according to claim 1, characterized in that: the plugging object (5) is a resin anti-seepage object.
8. The steel casing type pipe jacking shield tunneling machine receiving well structure according to claim 1, characterized in that: the limiting channel (4) is a flange.
9. The steel casing type pipe jacking shield tunneling machine receiving well structure according to claim 1, characterized in that: the top of the steel casing (1) is higher than the river surface.
10. A construction method of a steel pile casing type pipe jacking shield machine receiving well structure is characterized in that the receiving well structure according to any one of claims 1-9 is prefabricated, and the construction method comprises the following steps:
s1, vertically placing the steel casing (1) on the river surface, hammering the steel casing (1) into the riverbed by adopting a vibration hammer until the steel casing (1) is inserted into a relative impermeable layer of the riverbed with smaller water permeability;
s2, after the steel casing (1) is in place, draining river water in the steel casing (1), excavating silt in the steel casing (1) to reach a relative impermeable layer of a river bed, and then paving a concrete impermeable layer (7) with a certain thickness at the bottom of the steel casing (1);
s3, adjusting the shield tunneling machine (8) to be in place, cutting the plugging object (5) filled in the flange by the machine head, and drilling the shield tunneling machine (8) into the steel casing (1) from the reserved hole (3) of the cylinder wall;
s4, under the pressure of external water pressure, the water stopping material (6) at the hole can cling to the outer wall of the shield machine (8) or the top pipe (9) to prevent the external water from entering the steel casing (1);
s5, taking out the shield machine (8) from the steel casing (1) after the shield machine (8) passes through the reserved hole (3), and finishing the receiving work of the shield machine (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110393091.XA CN113187497A (en) | 2021-04-13 | 2021-04-13 | Steel casing type pipe jacking shield machine receiving well structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110393091.XA CN113187497A (en) | 2021-04-13 | 2021-04-13 | Steel casing type pipe jacking shield machine receiving well structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113187497A true CN113187497A (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110393091.XA Pending CN113187497A (en) | 2021-04-13 | 2021-04-13 | Steel casing type pipe jacking shield machine receiving well structure and construction method |
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| CN (1) | CN113187497A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693666A (en) * | 2005-05-25 | 2005-11-09 | 余彬泉 | Socket shield machine construction method |
| CN103382842A (en) * | 2013-07-30 | 2013-11-06 | 上海交通大学 | Construction method for avoiding rotation ofpipe jacking machineand pipe joints |
| JP2017128943A (en) * | 2016-01-21 | 2017-07-27 | 植村 誠 | Open shield method |
| CN111119900A (en) * | 2019-12-10 | 2020-05-08 | 中铁十四局集团隧道工程有限公司 | Earth pressure balance shield liquid nitrogen vertical freezing and underwater receiving comprehensive construction method |
| CN111396067A (en) * | 2020-03-30 | 2020-07-10 | 中铁十二局集团有限公司 | Comprehensive shield steel sleeve receiving construction method in complex environment |
| CN111828025A (en) * | 2020-07-21 | 2020-10-27 | 中铁十一局集团有限公司 | Shield receiving construction method and receiving tunnel portal water stopping device |
| CN215213507U (en) * | 2021-04-13 | 2021-12-17 | 中国电建集团华东勘测设计研究院有限公司 | Steel protects a formula push pipe shield structure machine and receives well structure |
-
2021
- 2021-04-13 CN CN202110393091.XA patent/CN113187497A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693666A (en) * | 2005-05-25 | 2005-11-09 | 余彬泉 | Socket shield machine construction method |
| CN103382842A (en) * | 2013-07-30 | 2013-11-06 | 上海交通大学 | Construction method for avoiding rotation ofpipe jacking machineand pipe joints |
| JP2017128943A (en) * | 2016-01-21 | 2017-07-27 | 植村 誠 | Open shield method |
| CN111119900A (en) * | 2019-12-10 | 2020-05-08 | 中铁十四局集团隧道工程有限公司 | Earth pressure balance shield liquid nitrogen vertical freezing and underwater receiving comprehensive construction method |
| CN111396067A (en) * | 2020-03-30 | 2020-07-10 | 中铁十二局集团有限公司 | Comprehensive shield steel sleeve receiving construction method in complex environment |
| CN111828025A (en) * | 2020-07-21 | 2020-10-27 | 中铁十一局集团有限公司 | Shield receiving construction method and receiving tunnel portal water stopping device |
| CN215213507U (en) * | 2021-04-13 | 2021-12-17 | 中国电建集团华东勘测设计研究院有限公司 | Steel protects a formula push pipe shield structure machine and receives well structure |
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