CN110056012A - The guarded drainage system of prefabricated open caisson structure - Google Patents
The guarded drainage system of prefabricated open caisson structure Download PDFInfo
- Publication number
- CN110056012A CN110056012A CN201910341013.8A CN201910341013A CN110056012A CN 110056012 A CN110056012 A CN 110056012A CN 201910341013 A CN201910341013 A CN 201910341013A CN 110056012 A CN110056012 A CN 110056012A
- Authority
- CN
- China
- Prior art keywords
- open caisson
- prefabricated open
- prefabricated
- joint
- caisson
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001727 in vivo Methods 0.000 claims abstract description 9
- 239000004746 geotextile Substances 0.000 claims description 7
- 238000004078 waterproofing Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 5
- 241001529734 Ocimum Species 0.000 claims description 4
- 235000010676 Ocimum basilicum Nutrition 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000565 sealant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 239000002585 base Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012407 engineering method Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- 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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- 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
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
Abstract
The guarded drainage system of prefabricated open caisson structure, farthest to reduce borehole wall percolating water, and can smoothly collect, converge borehole wall percolating water, and is pumped out caisson structure, make prefabricated open caisson structure that there is good guarded drainage.Caisson structure includes having transverse joint and vertical abutment joint by the assembled prefabricated open caisson assembly body circumferentially around the borehole wall of prefabricated open caisson assembling members.Caisson structure further includes the cast-in-place secondary lining circumferentially around the assembled wall in vivo of prefabricated open caisson, and is set to the bottom concrete layer of cast-in-place secondary lining bottom, and form catch pit on bottom concrete layer.The joint waterproof structure that transversely seam, vertical abutment joint extend is set between contiguous prefabricated open caisson assembling members, prefabricated open caisson is assembled to be arranged three-dimensional waterproof/drainage structure in vivo between wall and cast-in-place secondary lining, borehole wall percolating water is collected by three-dimensional waterproof/drainage structure and is converged into catch pit, is configured in catch pit by the water plug of borehole wall percolating water discharge caisson structure.
Description
Technical field
The present invention relates to underground engineering, in particular to a kind of guarded drainage system of prefabricated open caisson structure.
Background technique
China has a large population and a few land, and with national economy fast development, Engineering Construction Land-Occupation becomes increasingly conspicuous with agricultural land contradiction.
For the utilization rate for improving construction land, other than heavenwards want space, the underground space is that we cannot be neglected precious resources, state
Family also pushes the development and utilization to the underground space energetically in recent years.
In addition to tunnel, it is representative that the principal mode of Underground Space Resource exploitation, which is with underground garage, market place builet below the ground etc.,
Base pit engineering., cutting depth lesser foundation pit larger for the area of plane, when construction, generallys use open cut or lid digs two kinds of constructions
Engineering method.And foundation pit smaller for the area of plane, that cutting depth is big, such as underground tank, air shaft, cable shaft, sewer inspection
The engineerings such as well are looked into, open caisson engineering method has obtained large-scale use because its strong applicability, project cost are low in recent years.
When traditional open caisson construction, it is segmented formwork erection casting concrete at the scene, but concrete strength increases slow, cast-in-place quality hardly possible
With control, prefabricated assembled open caisson is gradually turned at present, i.e., high-precision punching block block placement prefabricated open caisson is used in factory
Assembling members are transported to on-site consolidation sinking again after maintenance is up to standard.
Prefabricated assembled open caisson develops rapidly in recent years, but due to being inevitably present seam between prefabricated component, can not
The waterproof effect for reaching cast-in-place structural becomes the weak spot of caisson structure waterproof.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of guarded drainage systems of prefabricated open caisson structure, with utmostly
Ground reduces borehole wall percolating water, and can smoothly collect, converge borehole wall percolating water, and is pumped out caisson structure, make prefabricated sink
Well construction has good guarded drainage.
The technical solution adopted by the present invention to solve the technical problems is as follows:
The guarded drainage system of prefabricated open caisson structure of the invention, caisson structure include it is assembled by prefabricated open caisson assembling members and
At the prefabricated open caisson assembly body circumferentially around the borehole wall, have transverse joint and vertical abutment joint, it is characterized in that: the caisson structure
Further include the cast-in-place secondary lining circumferentially around the assembled wall in vivo of prefabricated open caisson, and is set to the envelope of cast-in-place secondary lining bottom
Base concrete layer, and catch pit is formed on bottom concrete layer；It is arranged transversely between contiguous prefabricated open caisson assembling members
The joint waterproof structure that seam, vertical abutment joint extend, prefabricated open caisson is assembled to be arranged solid in vivo between wall and cast-in-place secondary lining
Waterproof/drainage structure, collects borehole wall percolating water by three-dimensional waterproof/drainage structure and converges into catch pit, and configuring in catch pit will
The water plug of borehole wall percolating water discharge caisson structure.
The invention has the advantages that borehole wall percolating water can be farthest reduced by joint waterproof structure, by vertical
Body waterproof/drainage structure can smoothly collect borehole wall percolating water and converge into shaft bottom catch pit, and be pumped out by water plug
Caisson structure realizes the systematization configuration of prefabricated open caisson structure guarded drainage system, prefabricated open caisson structure is made to have good anti-row
Aqueous energy.
Detailed description of the invention
This specification includes following seven width attached drawing:
Fig. 1 is the cross-section diagram of the guarded drainage system of prefabricated open caisson structure of the present invention；
Fig. 2 is the cross-section diagram of prefabricated open caisson assembly part in the guarded drainage system of prefabricated open caisson structure of the present invention；
Fig. 3 is the enlarged diagram of the part A in Fig. 1；
Fig. 4 is the enlarged diagram of the part B in Fig. 1；
Fig. 5 is the sectional view of the line C-C along Fig. 1；
Fig. 6 is the enlarged diagram of the part D in Fig. 5；
Fig. 7 is the enlarged diagram of the part D in Fig. 5
Component and corresponding label: prefabricated open caisson assembling members 10, transverse joint 11, vertical abutment joint 12, sword are shown in figure
Angle 13, elastic sealing gasket 14, hydro-expansive rubber 15, filleting 16, cast-in-place secondary lining 20, bottom concrete layer 21, catch pit
22, draining pump 23, drainpipe 24, vertical blind pipe 31, lateral blind pipe 32, geotextiles 33, drainable waterproofing plate 34.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig. 2, the guarded drainage system of prefabricated open caisson structure of the invention, caisson structure includes by prefabricated open caisson assembly structure
The assembled prefabricated open caisson assembly body circumferentially around the borehole wall of part has transverse joint and vertical abutment joint, it is characterized in that: described
Caisson structure further includes the cast-in-place secondary lining circumferentially around the assembled wall in vivo of prefabricated open caisson, and is set to cast-in-place secondary lining
The bottom concrete layer of bottom, and catch pit is formed on bottom concrete layer；It is set between contiguous prefabricated open caisson assembling members
The joint waterproof structure that transversely seam, vertical abutment joint extend is set, between the assembled internal wall of prefabricated open caisson and cast-in-place secondary lining
Three-dimensional waterproof/drainage structure is set, borehole wall percolating water is collected by three-dimensional waterproof/drainage structure and is converged into catch pit, in catch pit
The water plug of caisson structure is discharged in borehole wall percolating water by interior configuration.
Referring to Fig.1, borehole wall percolating water can farthest be reduced by joint waterproof structure, passes through three-dimensional waterproof/drainage structure
Borehole wall percolating water can smoothly be collected and converge into shaft bottom catch pit, and caisson structure is pumped out by water plug, it is real
The systematization configuration of existing prefabricated open caisson structure guarded drainage system, makes prefabricated open caisson structure have good guarded drainage performance.
Referring to Fig. 3 and Fig. 4, Fig. 7, the solid waterproof/drainage structure includes three-dimensional blind pipe pipe network, geotextiles 33 and guarded drainage
Plate 34, three-dimensional blind pipe piping network installation is on the assembled wall in vivo of prefabricated open caisson.The geotextiles 33 and drainable waterproofing plate 34 are layed in vertical
Between 20 outer wall of body blind pipe pipe network and cast-in-place secondary lining and in bottom concrete layer 21, around cast-in-place 20 He of secondary lining
21 section of bottom concrete layer.
Referring to Fig.1, Fig. 3 and Fig. 4, the solid blind pipe pipe network is by the vertical blind pipe 31 arranged along each vertical abutment joint 12 and edge
The lateral blind pipe 32 that each transverse joint 11 is arranged is constituted, and the both ends of lateral blind pipe 32 are connected by three-way connection with vertical blind pipe 31
It connects, the vertical blind pipe 31 of lowest level is connected to catch pit 22 after bending.
Referring to Fig. 2 and Fig. 4, in the prefabricated open caisson assembly body, 10 inner wall of lowest level prefabricated open caisson assembling members is to the borehole wall
Contraction forms the basil 13, and bottom concrete layer 21 is resisted against at the basil 13 in step-like, and in the center of bottom concrete layer 21
Portion forms catch pit 22.
In addition to abovementioned technology, can also self waterproofing measure be taken to prefabricated open caisson assembling members 10, such as control concrete
The additives such as raw material alkali content, control concrete water-cement ratio, addition flyash, granulated blast-furnace slag reinforce vibrate maintenance, control
Crack developing, brushing water-repellent paint etc..
The work progress of the guarded drainage system of prefabricated open caisson structure of the present invention is as follows:
1, prefabricated open caisson assembling members 10 complete transport to scene, on-site consolidation, transversely seam 11, vertical abutment joint
12 installation elastic sealing gaskets 14, hydro-expansive rubber 15 and filleting 16 form prefabricated open caisson assembly body, and ballast sinks down into design mark
It is high；
2. remove the assembled wall sundries in vivo of prefabricated open caisson, along prefabricated open caisson assembly body transversely seam 11, vertical abutment joint 12
Lateral blind pipe 32, vertical blind pipe 31 are installed.When vertical blind pipe 31 is installed, in open caisson bottom, 21 top side location of bottom concrete layer are curved
Certain length is reserved after folding, and catch pit 22 is introduced when pouring bottom concrete layer 21.The both ends of lateral blind pipe 32 pass through threeway
Connector is connected to form three-dimensional blind pipe pipe network with vertical blind pipe 31；
3. lateral, vertical tunneling boring is laid with geotextiles 33 and is used as buffer protection layer along open caisson, 33 surface of geotextiles is re-layed
Drainable waterproofing plate 34, drainable waterproofing plate 34 carry out lap seal processing；
Cast-in-place secondary lining 20 and bottom concrete layer 21 4. formwork erection is constructed, and stayed at the top of bottom concrete layer 21 and set collection
Puddle 22；
5. the water plug that installation is made of draining pump 23, drainpipe 24 in catch pit 22, by percolating water during operation
Pump drainage is to earth's surface.
The above only explain through diagrams prefabricated open caisson structure of the present invention guarded drainage system some principles, be not
By the present invention be confined to shown in and the specific structure and the scope of application in, therefore it is all it is all may be utilized accordingly repair
Change and equivalent, belongs to the applied the scope of the patents of the present invention.
Claims (6)
1. the guarded drainage system of prefabricated open caisson structure, caisson structure includes the week assembled by prefabricated open caisson assembling members (10)
To the prefabricated open caisson assembly body around the borehole wall, there is transverse joint (11) and vertical abutment joint (12), it is characterized in that: the open caisson knot
Structure further includes the cast-in-place secondary lining (20) circumferentially around the assembled wall in vivo of prefabricated open caisson, and is set to cast-in-place secondary lining
(20) the bottom concrete layer (21) of bottom, and catch pit (22) are formed on bottom concrete layer (21)；It is contiguous prefabricated heavy
The joint waterproof structure that transversely seam (11), vertical abutment joint (12) extend, prefabricated open caisson are set between well assembling members (10)
It is assembled that three-dimensional waterproof/drainage structure is set between wall and cast-in-place secondary lining (20) in vivo, the borehole wall is collected by three-dimensional waterproof/drainage structure
Percolating water simultaneously converges into catch pit (22), and the dress that draws water of caisson structure is discharged in borehole wall percolating water by configuration in catch pit (22)
It sets.
2. the guarded drainage system of prefabricated open caisson structure as described in claim 1, it is characterized in that: the joint waterproof structure includes
Elastic sealing gasket (14), the water-swellable set gradually from outside to inside on the section of transverse joint (11) and vertical abutment joint (12)
Rubber (15) and filleting (16), elastic sealing gasket (14), hydro-expansive rubber (15) and filleting (16) insertion transverse joint (11),
In groove on vertical abutment joint (12) two sides prefabricated open caisson assembling members (10) end face.
3. a kind of guarded drainage system of prefabricated open caisson structure as claimed in claim 2, it is characterized in that: the filleting (16) is fixed
Type rubber strip or indefinite form sealant.
4. the guarded drainage system of prefabricated open caisson structure as described in claim 1, it is characterized in that: the solid waterproof/drainage structure packet
Three-dimensional blind pipe pipe network, geotextiles (33) and drainable waterproofing plate (34) are included, three-dimensional blind pipe piping network installation is in the assembled internal wall of prefabricated open caisson
On；The geotextiles (33) and drainable waterproofing plate (34) are layed between three-dimensional blind pipe pipe network and cast-in-place secondary lining (20) outer wall,
And in bottom concrete layer (21), around cast-in-place secondary lining (20) and bottom concrete layer (21) section.
5. the guarded drainage system of prefabricated open caisson structure as claimed in claim 4, it is characterized in that: the solid waterproof/drainage structure by
The vertical blind pipe (31) extended along each vertical abutment joint (12) and lateral blind pipe (32) composition extended along each transverse joint (11), it is horizontal
It is connected to the both ends of blind pipe (32) by three-way connection with vertical blind pipe (31), is connected to after the vertical blind pipe of lowest level (31) bending
To catch pit (22).
6. the guarded drainage system of prefabricated open caisson structure as claimed in claim 4, it is characterized in that: the prefabricated open caisson assembly body
In, lowest level prefabricated open caisson assembling members (10) inner wall shrinks to be formed the basil (13) to the borehole wall, and bottom concrete layer (21) is in platform
Scalariform is resisted against at the basil (13), and forms catch pit (22) in the central portion of bottom concrete layer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341013.8A CN110056012B (en) | 2019-04-25 | 2019-04-25 | Waterproof and drainage system of prefabricated open caisson structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341013.8A CN110056012B (en) | 2019-04-25 | 2019-04-25 | Waterproof and drainage system of prefabricated open caisson structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110056012A true CN110056012A (en) | 2019-07-26 |
| CN110056012B CN110056012B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910341013.8A Active CN110056012B (en) | 2019-04-25 | 2019-04-25 | Waterproof and drainage system of prefabricated open caisson structure |
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| CN (1) | CN110056012B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822612B (en) * | 2022-12-02 | 2023-12-05 | 西南交通大学 | Vertical shaft water-proof and drainage system with pressure relief device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115822612B (en) * | 2022-12-02 | 2023-12-05 | 西南交通大学 | Vertical shaft water-proof and drainage system with pressure relief device |
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|---|---|
| CN110056012B (en) | 2024-03-22 |
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