CN217974485U - Combined-arrangement conversion process well system - Google Patents

Combined-arrangement conversion process well system Download PDF

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Publication number
CN217974485U
CN217974485U CN202222180976.4U CN202222180976U CN217974485U CN 217974485 U CN217974485 U CN 217974485U CN 202222180976 U CN202222180976 U CN 202222180976U CN 217974485 U CN217974485 U CN 217974485U
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process well
additional
well
hidden
section tunnel
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张林琳
李红星
刘飞鹏
易自砚
黄磊
唐六九
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Northwest Electric Power Design Institute of China Power Engineering Consulting Group
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Northwest Electric Power Design Institute of China Power Engineering Consulting Group
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Abstract

The utility model discloses a conversion technology well system of joint arrangement belongs to technology well setting field. The utility model discloses a conversion technology well system of joint arrangement, there is the problem of great difference in height to openly digging section and push pipe section electric power tunnel, through setting up additional cable passageway shaft and linking to each other with the technology well openly digging section end, the upper end side and the lower extreme side of additional shaft all are provided with the horizontally cable export, upper end side horizontal export links to each other with the openly digging section, lower extreme side horizontal export links to each other with the push pipe section, realizes the conversion of cable passageway difference in height. Meanwhile, the function use spaces of the additional vertical shaft and the main process well are independent and do not interfere with each other. The utility model is used for realize the conversion of cable discrepancy in elevation, do not influence the whole atress and the service function of technology well.

Description

Combined-arrangement conversion process well system
Technical Field
The utility model belongs to technology well setting field, especially a conversion technology well system of joint arrangement.
Background
Along with the urban power supply demand and power grid construction planning development and the improvement of urban environment and quality, the urban power grid transmission is mainly changed from the old overground overhead power transmission line into underground power transmission, so that the power tunnel and the comprehensive pipe gallery become a new normal state for urban power grid construction, and the market development is wide. The process well is a vertical well which is used for placing equipment and carrying out operation and meets process arrangement when constructed by adopting non-excavation technologies such as jacking pipes, shield tunneling and the like, has very important functions on construction operation, line arrangement schemes and the like, and is high in engineering investment. At present, the process well for connecting a shallow electric power tunnel section constructed by adopting an open cut method and a deeper electric power tunnel section constructed by adopting a pipe jacking method is less involved. How to solve the problem of difficult laying of electric power cables caused by the height difference of deep and shallow sections, not influencing the stress performance of a process well structure, saving the construction cost, and providing higher requirements for the arrangement and design scheme of the process well.
Therefore, the technical well arrangement scheme for solving the problems is provided to well realize the conversion of cable arrangement, which is not only the key to solve the technical problems in the field at present, but also has a significant influence on the aspects of engineering safety, engineering investment optimization and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a conversion technology well system of joint arrangement.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a conversion process well system in combined arrangement comprises an open cut section tunnel and a pipe jacking section tunnel, wherein an additional vertical shaft is arranged at the tail end of the open cut section tunnel, and the tail end of the open cut section tunnel is connected with a horizontal opening on the side surface of the top of the additional vertical shaft;
a main body process well is arranged between the additional vertical well and the pipe-jacking section tunnel, one end of the main body process well is connected with a horizontal hole on the side surface of the bottom of the additional vertical well, the other end of the main body process well is connected with the pipe-jacking section tunnel, and the open cut section tunnel, the additional vertical well, the main body process well and the pipe-jacking section tunnel are communicated to form a channel;
and a cable is arranged in the channel and is converted from the high-end elevation of the open-cut tunnel to the low-end elevation of the top pipe section tunnel in the additional shaft.
Furthermore, a surrounding purlin and a crown beam are arranged at the joint of the main body process well and the additional vertical well, and tie bars are arranged among the surrounding purlin, the crown beam and the side wall of the well structure.
Furthermore, the adjacent part of the main process well and the additional vertical well is integrally cast with concrete.
Furthermore, a reinforcing ring formed by enclosing hidden beams and hidden columns is arranged on the periphery of the joint of the open-cut tunnel and the additional vertical shaft, and additional steel bars are connected between the adjacent hidden beams and the adjacent hidden columns.
Furthermore, a reinforcing ring formed by enclosing hidden beams and hidden columns is arranged on the periphery of the interface of the additional vertical shaft and the main process well, and additional steel bars are connected between the adjacent hidden beams and the adjacent hidden columns.
Furthermore, a reinforcing ring formed by enclosing hidden beams and hidden columns is arranged on the periphery of the joint of the main process well and the top pipe section tunnel, and additional steel bars are connected between the adjacent hidden beams and the hidden columns.
Further, the cross section of the additional shaft is rectangular.
Further, the cross section of the main process well is circular.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a conversion technology well system of joint arrangement, there is the problem of great difference in height to openly digging section and push pipe section electric power tunnel, through setting up additional cable passageway shaft and linking to each other with the technology well openly digging section end, the upper end side and the lower extreme side of additional shaft all are provided with the horizontally cable export, upper end side horizontal export links to each other with the openly digging section, lower extreme side horizontal export links to each other with the push pipe section, realizes the conversion of cable passageway difference in height. Meanwhile, the function use spaces of the additional vertical shaft and the main process well are independent and do not interfere with each other. The utility model is used for realize the conversion of cable discrepancy in elevation, do not influence the whole atress and the service function of technology well.
Furthermore, the additional vertical shaft is arranged in a rectangular mode, the trend and arrangement of the power cable are met, the use function is met, and the space can be effectively utilized.
Furthermore, the main body process well is circularly arranged, the circular section can be well suitable for the arrangement of the in-out trend of a non-orthogonal cable channel, and meanwhile, the main body process well has better space stress performance, can be provided with no inner support and is convenient for construction operation.
Drawings
FIG. 1 is a cross-sectional view of a co-located conversion process well system of the present invention;
FIG. 2 is a plan view of a co-located conversion process well system of the present invention;
fig. 3 is a schematic layout diagram of the connection section between the main process well and the additional vertical well according to the present invention, wherein fig. 3 (a) is a top view and fig. 3 (b) is a cross-sectional view;
fig. 4 is a schematic view of reinforcing a tunnel portal according to the present invention, wherein fig. 4 (a) is a top view and fig. 4 (b) is a cross-sectional view.
Wherein, 1-main body process well; 2-additional vertical shaft; 3-open excavation of a section tunnel; 4-pipe jacking section tunnel; 5-a cable; 6-tying reinforcing steel bars; 7-hidden beam; 8-dark column; 9-additional reinforcing steel bars.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
If the conversion of the cable height difference is directly realized in the process well, the whole plane size of the process well needs to be enlarged, so that the engineering quantity of the enclosure structure and the main structure is greatly increased; the height difference conversion is realized in the technical well, a large-size hole needs to be formed in the floor slab, and the supporting effect on the well side wall is weakened greatly; and also has certain influence on the use function and the building arrangement of the room.
The utility model provides a conversion technology well system of joint arrangement, including main part technology well and additional shaft, the additional shaft links to each other with shallower open cut section tunnel, and main part working well links to each other with darker push pipe section tunnel. In conclusion, the arrangement scheme can better solve the problem of arrangement of the transition section with overlarge cable height difference, has small adverse effect on structural stress, saves the manufacturing cost and has wide engineering application prospect.
The present invention will be described in further detail with reference to the accompanying drawings:
a conversion process well system in combined arrangement comprises a main body process well 1, an additional vertical well 2, an open cut section tunnel 3 and a pipe jacking section tunnel 4, wherein the tail end of the open cut section tunnel 3 is connected with a horizontal hole on the side surface of the top of the additional vertical well 2, one end of the main body process well 1 is connected with a horizontal hole on the side surface of the bottom of the additional vertical well 2, a cable completes the conversion of height difference in the additional vertical well 2, and the other end of the main body process well 1 is connected with the pipe jacking section tunnel 4 to form a continuous integral channel. Because the main body process well 1 and the additional vertical well 2 junction is comparatively weak, under the effect of soil body lateral pressure, certain relative displacement can take place, for avoiding this kind of displacement, be located enclosing purlin, crown beam and the well structure's of envelope all be provided with tie reinforcement 6 between the lateral wall, and adjacent concrete monolithic pouring. And for the hole parts of the interfaces between the sections, the side walls of the original structure are weakened to a certain degree, and the side walls are processed by adopting a mode of arranging hidden beams 7, hidden columns 8 and additional steel bars 9.
Further, the main body process wells can be arranged in a rectangular or circular shape according to specific engineering conditions.
Furthermore, the connecting section of the main process well is not limited to a top pipe section, and is suitable for tunnel sections of construction modes such as a shield construction method and a shallow-buried underground excavation method.
The utility model discloses a conversion technology well system of jointly arranging can solve the technology cable and arrange and have the discrepancy in elevation sudden change, and the cable lays difficult scheduling problem, arranges rationally, saves the cost, can popularize and apply on a large scale.
Referring to fig. 1 and 2, fig. 1 and 2 are a cross-sectional view and a plan view, respectively, of a combined conversion process well system of the present invention; one side of an underground electric power tunnel is constructed by adopting an open cut method, the other side of the underground electric power tunnel is constructed by adopting a pipe jacking method, and the open cut section tunnel 3 is connected with the pipe jacking section tunnel 4 through a main process well 1 and an additional vertical well 2. The additional shaft 2 is used for realizing the conversion of the process arrangement of the cables 5, and the cables are converted from the high elevation of the open cut section tunnel 3 to the low elevation of the top pipe section tunnel 4 in the additional shaft 2, and the size of the cables is determined according to the process professional cable arrangement.
The main process well 1 is used as a common process well and is used as a construction vertical well and an operation period maintenance channel, and the net length of the main process well takes the length sum of the pipe jacking machine, the jack length, the thickness of a rear seat, the operation space and the like into consideration; the net width is the sum of the outer diameter of the pipe and the operating widths of the two sides. The inner space of the work well as the receiving end meets the requirement of taking out the push bench. For the comprehensive well which has the functions of construction, ventilation and power distribution and is used as an operation period maintenance channel, the size, the arrangement of the beams and the columns in the well are determined according to the process requirements and the building arrangement.
Referring to fig. 3, fig. 3 (a) is a top view of the connection section between the main body process well and the additional shaft of the present invention, and fig. 3 (b) is a cross-sectional view; for the joint of the main process well 1 and the additional vertical shaft 2, in order to prevent the relative displacement caused by the difference of lateral pressure generated by soil body to the two well structures, tie bars 6 are arranged, and concrete near the adjacent position is integrally poured, so that the main process well 1 and the additional vertical shaft 2 are connected into a whole.
Referring to fig. 4, fig. 4 (a) is the reinforced top view of the tunnel portal of the present invention, and fig. 4 (b) is a cross-sectional view, and for the weakening of the portal, the hidden beam 7, the hidden column 8 and the additional steel bar 9 are used for reinforcement.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims (8)

1. A conversion process well system in combined arrangement is characterized by comprising an open-cut section tunnel (3) and a pipe-jacking section tunnel (4), wherein an additional vertical shaft (2) is arranged at the tail end of the open-cut section tunnel (3), and the tail end of the open-cut section tunnel (3) is connected with a horizontal opening on the side surface of the top of the additional vertical shaft (2);
a main body process well (1) is arranged between the additional vertical well (2) and the pipe-jacking section tunnel (4), one end of the main body process well (1) is connected with a horizontal hole on the side surface of the bottom of the additional vertical well (2), the other end of the main body process well (1) is connected with the pipe-jacking section tunnel (4), and the open cut section tunnel (3), the additional vertical well (2), the main body process well (1) and the pipe-jacking section tunnel (4) are communicated to form a channel;
and a cable (5) is arranged in the channel, and the cable (5) is converted from the high-end elevation of the open-cut tunnel (3) to the low-end elevation of the top pipe section tunnel (4) in the additional vertical shaft (2).
2. A jointly arranged conversion process well system according to claim 1, characterized in that the joints of the main process well (1) and the additional shaft (2) are provided with surrounding purlins and crown beams, and tie bars (6) are provided between the surrounding purlins, the crown beams and the side walls of the well structure.
3. The jointly arranged converted process well system according to claim 2, characterized in that the main process well (1) and the additional shaft (2) are adjacent integrally cast concrete.
4. The jointly arranged conversion process well system according to claim 1, characterized in that the periphery of the interface of the open cut section tunnel (3) and the additional shaft (2) is provided with a reinforcing ring enclosed by hidden beams (7) and hidden columns (8), and additional steel bars (9) are connected between the adjacent hidden beams (7) and hidden columns (8).
5. A jointly arranged conversion process well system according to claim 1, characterized in that the periphery of the interface of the additional shaft (2) and the main process well (1) is provided with a reinforcement ring enclosed by hidden beams (7) and hidden columns (8), and additional steel bars (9) are connected between adjacent hidden beams (7) and hidden columns (8).
6. The jointly arranged conversion process well system according to claim 1, characterized in that the periphery of the interface of the main body process well (1) and the top pipe section tunnel (4) is provided with a reinforcing ring enclosed by hidden beams (7) and hidden columns (8), and additional steel bars (9) are connected between the adjacent hidden beams (7) and hidden columns (8).
7. The jointly arranged converted process well system according to claim 1, characterized in that said additional shafts (2) are rectangular in cross section.
8. A co-located conversion process well system according to claim 1, characterized in that the cross-section of the main process well (1) is circular.
CN202222180976.4U 2022-08-18 2022-08-18 Combined-arrangement conversion process well system Active CN217974485U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222180976.4U CN217974485U (en) 2022-08-18 2022-08-18 Combined-arrangement conversion process well system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222180976.4U CN217974485U (en) 2022-08-18 2022-08-18 Combined-arrangement conversion process well system

Publications (1)

Publication Number Publication Date
CN217974485U true CN217974485U (en) 2022-12-06

Family

ID=84259871

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222180976.4U Active CN217974485U (en) 2022-08-18 2022-08-18 Combined-arrangement conversion process well system

Country Status (1)

Country Link
CN (1) CN217974485U (en)

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