CN107642359A - The attached wind booth vertical shaft section in subway station excavates slag tap structure and construction method - Google Patents
The attached wind booth vertical shaft section in subway station excavates slag tap structure and construction method Download PDFInfo
- Publication number
- CN107642359A CN107642359A CN201710885493.5A CN201710885493A CN107642359A CN 107642359 A CN107642359 A CN 107642359A CN 201710885493 A CN201710885493 A CN 201710885493A CN 107642359 A CN107642359 A CN 107642359A
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- China
- Prior art keywords
- vertical shaft
- shaft section
- cinder hole
- subway station
- leakage
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- 239000002893 slag Substances 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 239000003818 cinder Substances 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000012634 fragment Substances 0.000 claims abstract description 3
- 238000009412 basement excavation Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000032258 transport Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The invention discloses a kind of attached wind booth vertical shaft section in subway station to excavate structure of slagging tap, and attached wind booth includes vertical shaft section and underground air duct, and attached wind booth is used to realize subway station and extraneous air circulation, it is characterised in that：Leakage cinder hole straight down is drilled with the vertical shaft fragment position for intending excavating, underground air duct only excavates top section and connects slag releasing channel when being excavated as vertical shaft section using subway station with leakage cinder hole, and slag releasing channel is connected with existing metro station construction passage, caused dregs in vertical shaft section digging process is set to be transported through leaking cinder hole, slag releasing channel, metro station construction passage.Meanwhile additionally provide a kind of attached wind booth vertical shaft section in subway station and excavate tap cinder construction method.For the limited situation in place, vertical shaft section is excavated by the way of leakage cinder hole is slagged tap, and requires small to construction site, and dregs outward transport is small on surrounding enviroment influence, is protected from weather influences, leakage slag efficiency is high compared with vertical-lift slag discharge efficiency.
Description
Technical field
The invention belongs to field of engineering technology, and in particular to and it is a kind of to be not easy in the case that lifting slags tap place is limited,
The vertical shaft section of the attached wind booth in subway station excavates the structure and construction method slagged tap.
Background technology
At present now, the mode of slagging tap of shaft excavation is that vertical-lift is slagged tap, and dregs first is promoted into ground, then by ground
Carry out dregs outward transport；But because municipal works are influenceed by urban land is nervous, place is restricted, and is slagged tap using vertical-lift
Mode is difficult, thus has a strong impact on the duration.
The content of the invention
The present invention is intended to provide a kind of structure of slagging tap being exclusively used in when the attached wind booth vertical shaft section in subway station is excavated, by changing
Become mode of slagging tap, small is required to construction site, dregs outward transport is small on surrounding enviroment influence, is protected from weather influences, and leak slag efficiency
It is high compared with vertical-lift slag discharge efficiency, the construction period can be effectively ensured.
Therefore, the technical solution adopted in the present invention is：A kind of attached wind booth vertical shaft section in subway station excavates structure of slagging tap,
The attached wind booth includes vertical shaft section and underground air duct, and attached wind booth is used to realize subway station and extraneous air circulation,
Leakage cinder hole straight down is drilled with the vertical shaft fragment position for intending excavating, the underground air duct only excavates top section by subway station
Slag releasing channel when being excavated as vertical shaft section, and slag releasing channel and existing metro station construction passage phase are connected with leakage cinder hole
Even, caused dregs in vertical shaft section digging process is made to be transported through leaking cinder hole, slag releasing channel, metro station construction passage.
As the preferred of such scheme, the leakage cinder hole is located in the middle part of vertical shaft section, is put in leakage cinder hole provided with leaking cinder hole
The identical round steel pipe of size.To ensure to damage hole wall during leaking under dregs, and avoid bottom hole will not be by broken
It is bad, and in time block aperture when without leaking slag.
Further, it is described leakage cinder hole elevation of bottom it is lower 1m than slag releasing channel pilot tunnel vault absolute altitude, after insertion with slag releasing channel
Pilot tunnel vault drop-over.On the premise of normal slag tap is ensured, in order to reduce leakage cinder hole depth as far as possible, invalid hole depth is avoided.
At the same time, present invention also offers a kind of attached wind booth vertical shaft section in subway station to excavate tap cinder construction method, bag
Include following steps：
The first step, the top section of the underground air duct of the attached wind booth in Metro Excavation station to vertical shaft section bottom to be excavated,
And carry out preliminary bracing to having excavated position；
Second step, the construction of vertical shaft fore shaft collar tie beam is carried out to the vertical shaft section for intending excavating；
3rd step, in vertical shaft section selection leakage cinder hole position and carry out Lou cinder hole excavate and supporting, leakage cinder hole bottom with
The top section insertion of lower air duct, slag releasing channel when making the top section of underground air duct be excavated as vertical shaft section；
4th step, vertical shaft section excavation is carried out, excavate dregs and leaked through leaking cinder hole to silo bottom；
5th step, dregs is transported outward by slag releasing channel, metro station construction passage.
In the third step, the leakage cinder hole carries out excavation pore-forming using rotary drilling rig, is put in leakage cinder hole provided with leaking slag
The identical round steel pipe of hole size, the leakage cinder hole elevation of bottom is lower 1m than slag releasing channel pilot tunnel vault absolute altitude, with slagging tap after insertion
Passage pilot tunnel vault drop-over.
Beneficial effects of the present invention：Situation about being limited for place, the attached wind booth vertical shaft section in subway station are excavated using leakage
The mode that cinder hole is slagged tap, small is required to construction site, dregs outward transport is small on surrounding enviroment influence, is protected from weather influences, and leak slag
Efficiency is high compared with vertical-lift slag discharge efficiency, and the construction period can be effectively ensured；The input of straddle truck can be reduced simultaneously, save expense.
Brief description of the drawings
Fig. 1 is the top view of the present invention.
Fig. 2 is that cinder hole and the schematic diagram of underground air duct top section insertion are leaked in the present invention.
Embodiment
By way of example and in conjunction with the accompanying drawings, the invention will be further described：
With reference to shown in Fig. 1, Fig. 2, a kind of attached wind booth vertical shaft section in subway station excavates structure of slagging tap, and attached wind booth includes perpendicular
Well section 1 and underground air duct 2, attached wind booth are used to realize subway station and extraneous air circulation.
Leakage cinder hole 4 straight down is drilled with the opening position of vertical shaft section 1 for intending excavating, underground air duct 2 only excavates top section
The slag releasing channel 5 when being excavated as vertical shaft section, and slag releasing channel 5 and existing subway are connected using subway station with leakage cinder hole 4
Construction passage 3 of standing is connected, and caused dregs in vertical shaft section digging process is led to through leaking cinder hole, slag releasing channel, metro station construction
Road transports.
Preferably, the leakage cinder hole 4 is located at the middle part of vertical shaft section 1, is put in leakage cinder hole and is provided with what is coincide with leakage cinder hole size
Round steel pipe (not shown).
In addition, it is described leakage the elevation of bottom of cinder hole 4 it is lower 1m than the pilot tunnel vault absolute altitude of slag releasing channel 5, after insertion with slag releasing channel
Pilot tunnel vault drop-over.
A kind of attached wind booth vertical shaft section in subway station excavates tap cinder construction method, comprises the following steps：
The first step, the top section of the underground air duct 2 of the attached wind booth in Metro Excavation station to the bottom of vertical shaft section 1 to be excavated
Portion, and carry out preliminary bracing to having excavated position；
Second step, the construction of vertical shaft fore shaft collar tie beam is carried out to the vertical shaft section 1 for intending excavating；
3rd step, selection leakage cinder hole position and carry out Lou cinder hole and excavate and supporting in the vertical shaft section 1, leak the bottom of cinder hole 4 and
The top section insertion of underground air duct 2, the slag releasing channel 5 when making the top section of underground air duct 2 be excavated as vertical shaft section；
4th step, carry out vertical shaft section 1 and excavate, excavate dregs and leaked through leaking cinder hole 4 to silo bottom；
5th step, dregs is transported outward by slag releasing channel 5, metro station construction passage 3.Dregs outward transport such as arrow in Fig. 1
It is shown.
In the third step, the leakage cinder hole 4 carries out excavation pore-forming using rotary drilling rig, puts and is provided with and leakage in leakage cinder hole 4
The identical round steel pipe of the size of cinder hole 4, the leakage elevation of bottom of cinder hole 4 is lower 1m than the pilot tunnel vault absolute altitude of slag releasing channel 5, with slagging tap after insertion
The pilot tunnel vault drop-over of passage 5.
Slag releasing channel is used as after borrowing the top section excavation of the underground air duct for the attached wind booth for intending excavating, vertical shaft section is excavated
Caused dregs automatically falls into Lou cinder hole bottom under gravity, and the construction passage that subway station is transported to through slag releasing channel is transported
Go out.Design is very ingenious, rationally and effectively make use of the construction passage of existing subway station to carry out dregs outward transport, while it is logical to slag tap
The setting in road decreases the excavated volume in follow-up underground air duct construction, substantially increases efficiency of construction.
Claims (5)
1. a kind of attached wind booth vertical shaft section in subway station excavates structure of slagging tap, the attached wind booth includes vertical shaft section and ground leeward
Road, attached wind booth are used to realize subway station and extraneous air circulation, it is characterised in that：At the vertical shaft fragment position for intending excavating
Leakage cinder hole straight down is drilled with, the underground air duct only excavates top section and connected subway station with leakage cinder hole as vertical shaft
Slag releasing channel when section is excavated, and slag releasing channel is connected with existing metro station construction passage, makes in vertical shaft section digging process
Caused dregs transports through leaking cinder hole, slag releasing channel, metro station construction passage.
2. excavate structure of slagging tap according to the attached wind booth vertical shaft section in subway station described in claim 1, it is characterised in that：The leakage
Cinder hole is located in the middle part of vertical shaft section, is put in leakage cinder hole provided with the round steel pipe identical with leakage cinder hole size.
3. excavate structure of slagging tap according to the attached wind booth vertical shaft section in subway station described in claim 1 or 2, it is characterised in that：Institute
It is lower 1m than slag releasing channel pilot tunnel vault absolute altitude to state Lou cinder hole elevation of bottom, after insertion with slag releasing channel pilot tunnel vault drop-over.
4. a kind of attached wind booth vertical shaft section in subway station excavates tap cinder construction method, it is characterised in that comprises the following steps：
The first step, the top section of the underground air duct of the attached wind booth in Metro Excavation station to vertical shaft section bottom to be excavated, and it is right
Excavate position and carry out preliminary bracing；
Second step, the construction of vertical shaft fore shaft collar tie beam is carried out to the vertical shaft section for intending excavating；
3rd step, in vertical shaft section selection leakage cinder hole position and carry out Lou cinder hole excavate and supporting, leakage cinder hole bottom with leeward
The top section insertion in road, slag releasing channel when making the top section of underground air duct be excavated as vertical shaft section；
4th step, vertical shaft section excavation is carried out, excavate dregs and leaked through leaking cinder hole to silo bottom；
5th step, dregs is transported outward by slag releasing channel, metro station construction passage.
5. excavate tap cinder construction method according to the attached wind booth vertical shaft section in subway station described in claim 4, it is characterised in that：
In 3rd step, the leakage cinder hole carries out excavation pore-forming using rotary drilling rig, puts to be provided with leakage cinder hole and is coincide with leakage cinder hole size
Round steel pipe, it is described leakage cinder hole elevation of bottom it is lower 1m than slag releasing channel pilot tunnel vault absolute altitude, after insertion with slag releasing channel pilot tunnel encircle
Push up drop-over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885493.5A CN107642359A (en) | 2017-09-26 | 2017-09-26 | The attached wind booth vertical shaft section in subway station excavates slag tap structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885493.5A CN107642359A (en) | 2017-09-26 | 2017-09-26 | The attached wind booth vertical shaft section in subway station excavates slag tap structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107642359A true CN107642359A (en) | 2018-01-30 |
Family
ID=61113595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710885493.5A Pending CN107642359A (en) | 2017-09-26 | 2017-09-26 | The attached wind booth vertical shaft section in subway station excavates slag tap structure and construction method |
Country Status (1)
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| CN (1) | CN107642359A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306497A (en) * | 2019-04-28 | 2019-10-08 | 中国电建集团贵阳勘测设计研究院有限公司 | Slag turning structure of middle-layer gallery of dam and construction method |
| CN112609743A (en) * | 2020-12-30 | 2021-04-06 | 中铁第五勘察设计院集团有限公司 | Track panel well system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5673795A (en) * | 1979-11-19 | 1981-06-18 | Mitsui Miike Machinery Co Ltd | Tunnel excavating and slag forwarding method |
| CN101761343A (en) * | 2009-12-24 | 2010-06-30 | 上海隧道工程股份有限公司 | Rapid and continuous excavation constructing method for overlarge-diameter soil pressure balance shield |
| CN102620614A (en) * | 2012-04-19 | 2012-08-01 | 中铁二局股份有限公司 | Construction method for cave depot slag funnel |
| CN205558916U (en) * | 2016-04-26 | 2016-09-07 | 中交隧道局第四工程有限公司 | Secretly dig super dark ventilating shaft vertical cut funnel slag discharging device in subway station |
| CN106089231A (en) * | 2016-07-23 | 2016-11-09 | 车新宁 | The device slagged tap continuously for subway work and the slag tapping method using this device |
| CN207453966U (en) * | 2017-09-26 | 2018-06-05 | 中铁隧道集团二处有限公司 | The attached wind booth vertical shaft section in subway station excavates structure of slagging tap |
-
2017
- 2017-09-26 CN CN201710885493.5A patent/CN107642359A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5673795A (en) * | 1979-11-19 | 1981-06-18 | Mitsui Miike Machinery Co Ltd | Tunnel excavating and slag forwarding method |
| CN101761343A (en) * | 2009-12-24 | 2010-06-30 | 上海隧道工程股份有限公司 | Rapid and continuous excavation constructing method for overlarge-diameter soil pressure balance shield |
| CN102620614A (en) * | 2012-04-19 | 2012-08-01 | 中铁二局股份有限公司 | Construction method for cave depot slag funnel |
| CN205558916U (en) * | 2016-04-26 | 2016-09-07 | 中交隧道局第四工程有限公司 | Secretly dig super dark ventilating shaft vertical cut funnel slag discharging device in subway station |
| CN106089231A (en) * | 2016-07-23 | 2016-11-09 | 车新宁 | The device slagged tap continuously for subway work and the slag tapping method using this device |
| CN207453966U (en) * | 2017-09-26 | 2018-06-05 | 中铁隧道集团二处有限公司 | The attached wind booth vertical shaft section in subway station excavates structure of slagging tap |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306497A (en) * | 2019-04-28 | 2019-10-08 | 中国电建集团贵阳勘测设计研究院有限公司 | Slag turning structure of middle-layer gallery of dam and construction method |
| CN110306497B (en) * | 2019-04-28 | 2024-02-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Dam middle layer gallery slag turning structure and construction method |
| CN112609743A (en) * | 2020-12-30 | 2021-04-06 | 中铁第五勘察设计院集团有限公司 | Track panel well system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180130 |