CN210105865U - Jacking prefabricated rectangular vertical shaft structure - Google Patents
Jacking prefabricated rectangular vertical shaft structure Download PDFInfo
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- CN210105865U CN210105865U CN201920711103.7U CN201920711103U CN210105865U CN 210105865 U CN210105865 U CN 210105865U CN 201920711103 U CN201920711103 U CN 201920711103U CN 210105865 U CN210105865 U CN 210105865U
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Abstract
The utility model discloses a jacking prefabricated rectangular vertical shaft structure, which comprises a side wall, wherein the side wall is formed by splicing rectangular vertical well pipe sheet rings 2, and also comprises a section steel spraying and mixing middle partition wall 3, a rectangular locking collar beam 4 and a post-pouring well mouth ring beam 5; the top end of the outer side of the rectangular vertical well pipe sheet ring 2 is fixedly provided with a surrounding post-pouring well mouth ring beam 5 and a rectangular locking collar beam 4 from top to bottom in sequence; a plurality of fore shaft ring beam anchor cables 7 are fixedly arranged at the bottom end of the rectangular fore shaft ring beam 4; an underwater concrete back cover 6 is fixedly arranged at the bottom end inside the rectangular vertical well pipe sheet ring 2; the top end of the underwater concrete back cover 6 is fixedly provided with a section steel spraying and mixing middle partition wall 3; the bottom end of the rectangular vertical well pipe sheet ring 2 is fixedly provided with a rectangular edge foot ring 1. The utility model discloses avoid the bulky precipitation in the shaft work progress, realize the construction of ground full stage control, improve shaft construction speed, improve shaft section utilization ratio, satisfy the requirement of environmental protection, security and work efficiency.
Description
Technical Field
The utility model belongs to the technical field of underground structure engineering, in particular to prefabricated rectangle shaft structure is advanced on top is applied to and buries the construction of not precipitation top of rectangle shaft deeply in the rich water stratum.
Background
Along with the rapid construction of urban rail transit in China, subway engineering gradually develops towards deep burying, and accompanying underground water plugging and engineering risks also become important problems for controlling underground engineering construction. When the underground excavation method is limited, the underground excavation method becomes a construction method with more application in subway stations and interval construction, and a vertical shaft and a transverse passage are used for providing a working surface for underground excavation construction. The traditional vertical shaft is constructed in a mode of mostly adopting an inverted well wall method or a sectional cast-in-place circular open caisson, the inverted well wall method is based on waterless operation as a premise, a large amount of precipitation or water stop is needed during construction, the precipitation can cause waste of water resources, great influence can be caused on the surrounding environment when the precipitation is not carried out, engineering measures such as freezing or high-pressure jet grouting are needed for water stop, and the engineering cost is greatly improved. The sectional cast-in-situ circular open caisson is limited by cast-in-situ pipe joints and possible phenomena of well wall locking and the like, so that the construction period is difficult to guarantee. And the circular section has a poor utilization rate, and certain limitations exist in certain construction site limited areas.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide a prefabricated rectangle shaft structure is advanced on top, avoid the bulky precipitation in the shaft work progress, realize the full stage control construction in ground, improve shaft construction speed, improve shaft section utilization ratio, satisfy the requirement of environmental protection, security and work efficiency.
In order to solve the technical problem, the utility model discloses a technical scheme is: a jacking prefabricated rectangular vertical shaft structure comprises side walls, a section steel spraying and mixing middle partition wall (3), a rectangular locking ring beam (4) and a post-pouring well mouth ring beam (5), wherein the side walls are formed by assembling rectangular vertical well pipe sheet rings (2);
the top end of the outer side of the rectangular vertical well pipe sheet ring (2) is fixedly provided with a surrounding post-cast well mouth ring beam (5) and a rectangular locking collar beam (4) from top to bottom in sequence; a plurality of locking collar beam anchor cables (7) are fixedly arranged at the bottom end of the rectangular locking collar beam (4);
an underwater concrete back cover (6) is fixedly arranged at the bottom end inside the rectangular vertical well pipe sheet ring (2); the top end of the underwater concrete back cover (6) is fixedly provided with a section steel spraying and mixing middle partition wall (3);
the bottom end of the rectangular vertical well pipe sheet ring (2) is fixedly provided with a rectangular edge foot ring (1).
Preferably, two adjacent rectangular vertical well pipe sheet rings (2) are connected through a latch (10) with a lock between the rings.
Preferably, the rectangular cutting edge foot ring (1) consists of a steel cutting edge foot (14) and a concrete rectangular ring (15); the top end of the steel blade foot (14) is fixedly provided with a concrete rectangular ring (15) through a stud (16); the concrete rectangular ring (15) is fixedly connected with the rectangular vertical well pipe sheet ring (2) through a stud.
Preferably, thixotropic mud (8) is fixedly arranged on the outer side surface of the rectangular vertical well pipe sheet ring (2), a steel strand (9) is embedded in the thixotropic mud (8), and the bottom end of the steel strand (9) is fixedly connected into the steel blade foot (14).
Preferably, the rectangular vertical well pipe sheet ring (2) is fixedly provided with an embedded steel plate and a connecting steel plate (18); the embedded steel plates and the connecting steel plates (18) are fixedly provided with a profile steel intermediate wall (17) through bolts (19), and whether net hanging and spraying mixing are carried out or not is selected according to the rigidity requirement of the intermediate wall.
Compared with the prior art, the utility model discloses the beneficial effect who has is: the utility model discloses a rectangular section prefabricated construction has solved the problem that circular shaft section utilization ratio is low, and has solved the difficulty of sinking that traditional open caisson worker method construction rectangle shaft probably appears and the great scheduling problem of straightness deviation that hangs down, has realized burying the construction of not dewatering of rectangle shaft deeply in the rich water stratum and has advanced on the top, and ground full stage control can be realized to the mechanized excavation of cooperation, avoids the engineering risk that the borehole operation brought, has guaranteed construction safety, has realized the requirement of environmental protection, security and work efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view of the ring-to-ring connection structure of the rectangular blade foot ring structure and the prefabricated shaft structure of the present invention;
FIG. 3 is a structural diagram of the connection between the profile steel spraying and mixing middle partition wall and the shaft wall of the vertical shaft of the present invention;
fig. 4 is the utility model discloses a shaped steel spouts mixes next door and shaft wall of a well connection structure picture.
In the figure, 1-rectangular blade foot ring, 2-rectangular vertical well pipe sheet ring, 3-section steel spray mixing middle partition wall, 4-rectangular locking collar beam, 5-post-cast well mouth ring beam, 6-underwater concrete bottom sealing, 7-locking collar beam anchor cable, 8-thixotropic slurry, 9-steel strand, 10-inter-ring locking bolt, 11-reaction frame, 12-jack, 13-blade foot ring settlement control device, 14-steel blade foot, 15-concrete rectangular ring, 16-bolt nail, 17-section steel middle partition wall, 18-embedded steel plate and connecting steel plate, 19-connecting bolt and 20-bending bolt.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model discloses a jacking prefabricated rectangular vertical shaft structure, which comprises a side wall, wherein the side wall is formed by splicing rectangular vertical well pipe sheet rings 2, and further comprises a profile steel spraying and mixing middle partition wall 3, a rectangular locking collar beam 4 and a post-cast well mouth ring beam 5;
the top end of the outer side of the rectangular vertical well pipe sheet ring 2 is fixedly provided with a surrounding post-pouring well mouth ring beam 5 and a rectangular locking collar beam 4 from top to bottom in sequence; a plurality of fore shaft ring beam anchor cables 7 are fixedly arranged at the bottom end of the rectangular fore shaft ring beam 4;
an underwater concrete back cover 6 is fixedly arranged at the bottom end inside the rectangular vertical well pipe sheet ring 2; the top end of the underwater concrete back cover 6 is fixedly provided with a section steel spraying and mixing middle partition wall 3;
the bottom end of the rectangular vertical well pipe sheet ring 2 is fixedly provided with a rectangular edge foot ring 1.
In this embodiment, two adjacent rectangular vertical well pipe sheet rings 2 are connected by a latch 10 with a lock between the rings.
In the embodiment, the rectangular blade foot ring 1 consists of a steel blade foot 14 and a concrete rectangular ring 15; the top end of the steel blade foot 14 is fixedly provided with a concrete rectangular ring 15 through a stud 16; the concrete rectangular ring 15 is fixedly connected with the rectangular vertical well pipe sheet ring 2 through a stud.
In the embodiment, thixotropic slurry 8 is fixedly arranged on the outer side surface of the rectangular vertical well pipe sheet ring 2, a steel strand 9 is embedded in the thixotropic slurry 8, and the bottom end of the steel strand 9 is fixedly connected into a steel blade foot 14.
In the embodiment, an embedded steel plate and a connecting steel plate 18 are fixedly arranged on the rectangular vertical well pipe sheet ring 2; the embedded steel plates and the connecting steel plates 18 are fixedly provided with a section steel middle partition wall 17 through bolts 19, and whether net hanging and spraying mixing are carried out or not is selected according to the rigidity requirement of the middle partition wall.
The utility model discloses combine push pipe method and traditional open caisson worker method, the annular prefabricated component of top-down top-push rectangle becomes the well. The construction method avoids adverse effects possibly caused by large-volume precipitation, adopts a rectangular section prefabricated structure, solves the problem of low utilization rate of the section of the circular vertical shaft, and is more flexible in construction site arrangement. The mode that the underwater mechanized excavation is matched with the jacking of the rectangular annular prefabricated part from top to bottom to form the well is adopted, so that the engineering risk caused by manual underground operation and the possible locking phenomenon of the wall of the open caisson well are avoided, the speed of field vertical well construction is increased, and the requirements on environmental protection, safety and work efficiency are met.
The present invention has been described in detail with reference to the embodiments, but the description is only exemplary of the present invention and should not be construed as limiting the scope of the present invention. The protection scope of the present invention is defined by the claims. Technical scheme, or technical personnel in the field are in the utility model technical scheme's inspiration the utility model discloses an essence and protection within range, design similar technical scheme and reach above-mentioned technological effect, perhaps to the impartial change that application scope was made and improve etc. all should still belong to within the protection scope is covered to the patent of the utility model. It should be noted that for the sake of clarity, parts of the description of the invention have been omitted which do not have a direct obvious relationship with the scope of protection of the invention, but which are known to the skilled person.
Claims (5)
1. The jacking prefabricated rectangular vertical shaft structure is characterized by comprising side walls, profile steel spraying and mixing middle partition walls (3), rectangular locking ring beams (4) and post-pouring well mouth ring beams (5), wherein the side walls are formed by assembling rectangular vertical well pipe sheet rings (2);
the top end of the outer side of the rectangular vertical well pipe sheet ring (2) is fixedly provided with a surrounding post-cast well mouth ring beam (5) and a rectangular locking collar beam (4) from top to bottom in sequence; a plurality of locking collar beam anchor cables (7) are fixedly arranged at the bottom end of the rectangular locking collar beam (4);
an underwater concrete back cover (6) is fixedly arranged at the bottom end inside the rectangular vertical well pipe sheet ring (2); the top end of the underwater concrete back cover (6) is fixedly provided with a section steel spraying and mixing middle partition wall (3);
the bottom end of the rectangular vertical well pipe sheet ring (2) is fixedly provided with a rectangular edge foot ring (1).
2. A prefabricated jacking rectangular shaft structure according to claim 1, characterized in that adjacent two of said rectangular shaft pipe sheet rings (2) are connected by inter-ring locking latches (10).
3. A jack-in prefabricated rectangular shaft structure according to claim 1, characterized in that the rectangular blade foot ring (1) is composed of steel blade feet (14), concrete rectangular rings (15); the top end of the steel blade foot (14) is fixedly provided with a concrete rectangular ring (15) through a stud (16); the concrete rectangular ring (15) is fixedly connected with the rectangular vertical well pipe sheet ring (2) through a stud.
4. A prefabricated vertical shaft structure for jacking in as claimed in claim 1, wherein thixotropic slurry (8) is fixedly arranged on the outer side surface of the rectangular vertical shaft pipe sheet ring (2), steel strands (9) are embedded in the thixotropic slurry (8), and the bottom ends of the steel strands (9) are fixedly connected into the steel blade feet (14).
5. The jacking prefabricated rectangular vertical shaft structure of claim 1, wherein a pre-embedded steel plate and a connecting steel plate (18) are fixedly arranged on the rectangular vertical shaft pipe sheet ring (2); the embedded steel plates and the connecting steel plates (18) are fixedly provided with section steel middle partition walls (17) through bolts (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920711103.7U CN210105865U (en) | 2019-05-17 | 2019-05-17 | Jacking prefabricated rectangular vertical shaft structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920711103.7U CN210105865U (en) | 2019-05-17 | 2019-05-17 | Jacking prefabricated rectangular vertical shaft structure |
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| Publication Number | Publication Date |
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| CN210105865U true CN210105865U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920711103.7U Active CN210105865U (en) | 2019-05-17 | 2019-05-17 | Jacking prefabricated rectangular vertical shaft structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043264A (en) * | 2019-05-17 | 2019-07-23 | 中铁第六勘察设计院集团有限公司 | A kind of construction method of jacking prefabricated rectangle shaft structure pattern |
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2019
- 2019-05-17 CN CN201920711103.7U patent/CN210105865U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043264A (en) * | 2019-05-17 | 2019-07-23 | 中铁第六勘察设计院集团有限公司 | A kind of construction method of jacking prefabricated rectangle shaft structure pattern |
| CN110043264B (en) * | 2019-05-17 | 2024-02-09 | 中铁第六勘察设计院集团有限公司 | Construction method for jacking prefabricated rectangular vertical shaft structural type |
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