CN1793611B - Water-proof method for shield tunnel outlet - Google Patents
Water-proof method for shield tunnel outlet Download PDFInfo
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- CN1793611B CN1793611B CN 200510112104 CN200510112104A CN1793611B CN 1793611 B CN1793611 B CN 1793611B CN 200510112104 CN200510112104 CN 200510112104 CN 200510112104 A CN200510112104 A CN 200510112104A CN 1793611 B CN1793611 B CN 1793611B
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- ring
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- vertical plane
- rubber tile
- shield
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Abstract
The invention relates to a water-proof method, concretely relating to a water- proof method for an underground shield tunnel outlet, comprising well circle and lining structure, as well as sealing cord fabric rubber plates between them, and characterized in adopting the following steps of: arranging vertical steel sheets on the well circle; fixing ring water stop tank on the vertical steel sheets;installing rubber plates on the ring water stop tank before shield machine advances; and finally pouring grout between the rubber plates; and its advantages: it adopts multiple rubber plates to compose multiple water-proof circles, the sealing measures are tight and reliable and whether when or after the shield passes through the well circle, the flapper can always contact with outer diameter ofthe shield or lining, and the water-proof effect is good and the construction process is fast.
Description
Technical field
The present invention relates to the waterproof method class, relate to a kind of underground structure, particularly water-proof method for shield tunnel outlet at exit of shield tunnel place of being used for concretely.
Background technology
Along with the big demand of urban road expansion and the continuous development of shield body plan technology for making, large diameter shield tunnel progressively is applied in the municipal highway construction of tunnel, as river passage Yangtze River Tunnel engineering (tunnel diameter is 15m) etc. is got in the last marine Zhong Lu tunnel (tunnel diameter is 14.5m), the Chongming, Shanghai that are about to begin to build.The major diameter tunnel must satisfy corresponding anti-floating requirement because of it, so should there be certain buried depth the tunnel outlet position, tunnel diameter is very big in addition, and the hydraulic pressure that the bottom, position of appearing is born is bigger.Therefore the waterproof measure that needs should be more tight, and waterproof device for exit of the prior art can not satisfy the requirement of current large diameter shield tunnel.
And present water-tight device also exists following defective:
Water-proof method for shield tunnel outlet of the prior art as shown in Figure 1, 2, shield structure waterproof method for exit is, be provided with earlier and be prefabricated into the cord rubber tile 4 of ring in pithead position, for cord rubber tile 4 is closely pasted mutually with walling crib 1, press ring steel plate 5 following closely, the fan-shaped pressing plate 15 that can move radially along walling crib is set then, have the strip bolt hole at fan-shaped pressing plate 15 middle parts, see among Fig. 2 that the shield structure passes through bolt position 20 after the doubling-up, bolt position 21 when the shield structure passes through walling crib, packing ring 6, nut 7, bolt 8 are set subsequently, so that fan-shaped pressing plate 15 is located; Bolt 8 passes the screw of reserving on ring steel plate 5 and the cord rubber tile 4, is fixed in the nut 2 on the pre-buried steel loop.
When the shield structure passes through walling crib, the fan-shaped pressing plate 15 that is circular arrangement and the shield structure external diameter close proximity of trying one's best, when cord rubber tile 4 passes through the hole circle at the shield structure, turn up to shield structure direction of propulsion, and water and soil pressure just in time acts on the cord rubber tile 4 that turns up, and rubber tile 4 nothings are born the ability of water and soil pressure, so the part of turning up moves to the well direction of appearing, near living fan type pressing plate 15, form the outlet water-proof line of sealing.After treating that the shield structure passes through walling crib, the lining cutting external diameter is less than shield structure external diameter, gap between walling crib and the lining cutting increases, the constructor need directly yearn for the center of circle, tunnel along lining cutting and moved fan-shaped pressing plate 15 this moment, being circular fan-shaped pressing plate 15 shrinks to the lining cutting center, fan-shaped pressing plate 15 is the close proximity state again with the lining cutting external diameter, plays walling crib waterproof effect.
The defective of above-mentioned waterproof method for exit is that the mobile need of fan-shaped pressing plate 15 bring suitable inconvenience by manual work to construction, both waste time and energy, and influence construction speed again.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of water-proof method for shield tunnel outlet is provided, this method constitutes multiple tracks sealing water proof ring by multiple tracks cord rubber tile is set, and the injected hole reperfusion serosity by between twice cord rubber tile is in the limited space between the two, form further waterproof measure, and the pressing plate of rubber tile can be adopted articulated structure, make this method after the shield structure passes through walling crib, one end of this pressing plate is realized automatic deflection, need not manually adjust.
The object of the invention realizes being finished by following technical scheme:
A kind of water-proof method for shield tunnel outlet comprises walling crib and liner structure, and the cord rubber tile of the sealing between the two, it is characterized in that this method adopts following step: walling crib vertical plane steel plate is set; On the vertical plane steel plate, fixedly install ring-type sealing casing; Before shield machine advances, the cord rubber tile is installed on ring-type sealing casing; Reperfusion serosity between the cord rubber tile at last.
At least should possess two blocks of vertical plane plates on the structure of ring-type sealing casing.
Can on the ring-type sealing casing between vertical plane plate and the vertical plane plate, preset injected hole, when seepage occurring, can be by in the space of injected hole concrete perfusion slurries between cord rubber tile and cord rubber tile on the ring-type sealing casing.
Be embedded with nut on the walling crib vertical plane steel plate and on the vertical plane plate of ring-type sealing casing.
The installation of cord rubber tile refers to, on every block of vertical plane plate of ring-type sealing casing, and fixed installation cord rubber tile.Fixed installation cord rubber tile realizes that by ring steel plate ring steel plate passes through bolt with the vertical plane plate of cord rubber tile and ring-type sealing casing, is fixedly connected with fixed head on the ring steel plate, the fixed head turnover panel that has been connected through the hinge.
Vertical plane plate on the ring-type sealing casing be provided with quantity and rubber tile that quantity is set is corresponding one by one.
Advantage of the present invention is, adopt multiple tracks cord rubber tile to constitute multiple tracks sealing water proof ring, seal approach is tight, reliable, no matter is that the shield structure is when passing through walling crib or after passing through walling crib, turnover panel all the time can be with shield structure external diameter or lining cutting external diameter close proximity and need not manual work, the cord rubber tile can be along with the flip angle of turnover panel, keeps itself and closely the pasting mutually of turnover panel at any time, thereby makes the cord rubber tile constitute the sealing water proof ring, good water-proof effect, need not manually-operated, construction progress is accelerated in the save trouble and labor.
Description of drawings
Accompanying drawing 1 is the prior art structural representation;
Accompanying drawing 2 is a prior art end face structure schematic diagram;
Accompanying drawing 3 is the utility model structural representation (side);
Accompanying drawing 4 is fixed head Facad structure schematic diagram of the present invention;
Accompanying drawing 5 is fixed head side structure schematic diagram of the present invention;
Accompanying drawing 6 is turnover panel Facad structure schematic diagram of the present invention;
Accompanying drawing 7 is turnover panel side structure schematic diagram of the present invention;
Accompanying drawing 8 is cottor pin structural representation of the present invention;
Accompanying drawing 9 is pin shaft structure schematic diagram of the present invention;
The specific embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Shown in Fig. 1-9, label 1-21 represents respectively: walling crib 1, nut 2, walling crib vertical plane steel plate 3, cord rubber tile 4, ring steel plate 5, packing ring 6, nut 7, studs 8, fixed head 9, vertical panel 10, turnover panel 11, bearing pin 12, cottor pin 13, guide 14, fan-shaped pressing plate 15, gusset 16, injected hole 17, sealing casing 18, strengthen gusset 19, shield structure and pass through bolt position 20 after the walling crib, the bolt position 21 when the shield structure passes through walling crib.
The water-proof method for shield tunnel outlet that present embodiment relates to comprises walling crib 1, tunnel lining structure section of jurisdiction outer wall 20, rubber tile 4, is provided with twice rubber tile 4 between walling crib 1 and tunnel lining structure, and this method adopts following step:
Walling crib vertical plane steel plate 3 is set, and before cast tunnel walling crib 1 concrete, embedded nut is on doubling-up vertical plane steel plate 3;
Before shield machine advances, welding one circular sealing casing 18 on vertical plane steel plate 3, casing 18 adopts gusset 16, strengthening gusset 19 reinforces, embedded nut 7 on the casing, this casing 18 is provided with two vertical panels 10, rubber tile 4 is fixedlyed connected by studs 8 with the vertical panel 10 of ring-type sealing casing 18, this is fixedly connected by ring steel plate 5 realizations, ring steel plate 5 is fixed in nut 7 places with the vertical panel 10 of rubber tile 4 and ring-shaped box 18 by studs 8, fixed head 9 passes through bearing pin 12 with turnover panel 11, guide 14, cottor pin 13 is connected as a single entity, then fixed head 9 is freezed on ring steel plate 5, form a waterproof unit, according to shield structure and lining cutting external diameter, can calculate the unit number of forming the integral waterproofing system, the constructor is by number of unit processing, install and get final product. turnover panel 11 and rubber tile 4 are be arranged in parallel.
When treating that the shield structure advances, because of fixed head 9 adopts guide 14 to be connected with bearing pin 12 with turnover panel 11, turnover panel 11 can be with the free flip angle of variation of shield structure, tunnel external diameter, form the stress point that cord rubber tile 4 can rely on, thereby make two pass rubber tile 4 constitute twice sealing water proof ring, can form further waterproof measure by the limited space of injected hole 17 reperfusion serosities between twice rubber tile 4 on the sealing casing 18 simultaneously.
Should be specifically noted that the selection of turnover panel 11 length in the present embodiment, turnover panel length is too short, under the shield structure is appeared generation deviation situation, cause turnover panel 11 somewhere limit end and shield structure or lining cutting external diameter not to have contact point probably, can not form a complete sealing water-proof wire, and turnover panel 11 length are long, under the shield structure is appeared generation deviation situation, then can cause and turn over angle excessive (may with horizon near parallel) on the turnover panel 11, can't be well and shield structure or lining cutting external diameter close proximity, thus cause seepage.General turnover panel 11 length are turned over 30 ° of-70 ° of scopes (with the vertical plane angle) and are advisable to contact with shield structure or lining cutting external diameter.
Obviously those skilled in the art will recognize that the fixed head among the present invention 9 and the selection of the articulated manner of turnover panel 11 can be diversified, as long as can realize the variation of turnover panel 11, get final product for the center freely flips an angle with the hinged place along with shield structure, tunnel external diameter.
Present embodiment closely pastes with sealing casing 18 mutually for making cord rubber tile 4 when being provided with, and presses ring steel plate 5 following closely, ring steel plate 5 sectional processing and fabricatings, but the gap of installing between period and the section should be controlled at minimum degree.Packing ring 6, nut 7, studs 8 are set subsequently, so that ring steel plate 5, cord rubber tile 4 are located with sealing casing 18; Studs 8 passes the screw of reserving on ring steel plate 5 and the cord rubber tile 4, is fixed in the embedded nut 7.
When the shield structure passes through walling crib, be the fixed head 9 of circular arrangement and turnover panel 11 and the shield structure external diameter close proximity of trying one's best, when cord rubber tile 4 passes through walling crib at the shield structure, turn up to shield structure direction of propulsion, and water and soil pressure just in time acts on the cord rubber tile 4 that turns up, rubber tile 4 does not have the ability of bearing water and soil pressure, part moves to the well direction of appearing so turn up, near living fixed head 9 and turnover panel 11, form " ankle socks " of a lock ring, thereby form the outlet water-proof line of sealing in shield structure external diameter.After treating that the shield structure passes through walling crib, the lining cutting external diameter is less than shield structure external diameter, gap between walling crib and the lining cutting increases, turnover panel 11 deflection certain angles all the time can be with shield structure external diameter or lining cutting external diameter close proximity and need not manual work, cord rubber tile 4 can be along with the flip angle of turnover panel 11, keeps itself and closely the pasting mutually of turnover panel at any time.
Claims (4)
1. water-proof method for shield tunnel outlet, the structure that this method relates to comprises walling crib and liner structure, and the cord rubber tile of the sealing between the two, it is characterized in that this method adopts following step: walling crib vertical plane steel plate is set; On the vertical plane steel plate, fixedly install ring-type sealing casing, should possess two blocks of vertical plane plates on the structure of described ring-type sealing casing at least, default injected hole on the ring-type sealing casing between described vertical plane plate and the vertical plane plate; Before shield machine advances, the cord rubber tile is installed on every block of vertical plane plate of ring-type sealing casing; When treating that the shield structure advances, by default injected hole on the ring-type sealing casing, reperfusion serosity is between two blocks of cord rubber tiles.
2. a kind of water-proof method for shield tunnel outlet according to claim 1, it is characterized in that described fixed installation cord rubber tile realizes by ring steel plate, ring steel plate passes through bolt with the vertical plane plate of cord rubber tile and ring-type sealing casing, be fixedly connected with fixed head on the ring steel plate, the fixed head turnover panel that has been connected through the hinge.
3. a kind of water-proof method for shield tunnel outlet according to claim 2 is characterized in that described hinge connects to refer between fixed head and the turnover panel to connect as one by bearing pin, guide and cottor pin.
4. a kind of water-proof method for shield tunnel outlet according to claim 1, it is characterized in that on the described ring-type sealing casing the vertical plane plate be provided with quantity and cord rubber tile that quantity is set is corresponding one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510112104 CN1793611B (en) | 2005-12-27 | 2005-12-27 | Water-proof method for shield tunnel outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510112104 CN1793611B (en) | 2005-12-27 | 2005-12-27 | Water-proof method for shield tunnel outlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1793611A CN1793611A (en) | 2006-06-28 |
| CN1793611B true CN1793611B (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510112104 Expired - Fee Related CN1793611B (en) | 2005-12-27 | 2005-12-27 | Water-proof method for shield tunnel outlet |
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| CN (1) | CN1793611B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424189B (en) * | 2008-12-01 | 2011-03-30 | 上海建工（集团）总公司 | Water stopping device and method for process for getting out of starting well and entering receiving well for digging implement and method |
| CN103573277B (en) * | 2012-07-19 | 2017-01-25 | 中铁十九局集团第二工程有限公司 | Separating type water-proof board nail-free hanging method |
| CN103410523A (en) * | 2013-08-26 | 2013-11-27 | 中铁隧道集团二处有限公司 | Double-layer water-stopping steel ring for shield starting tunnel portal and mounting method of double-layer water-stopping steel ring |
| CN103924987B (en) * | 2014-04-24 | 2015-12-09 | 中铁十一局集团城市轨道工程有限公司 | A kind of SMW engineering method stake tunnel shielding portal seepage-proof structure and construction method thereof |
| CN105065008A (en) * | 2015-07-30 | 2015-11-18 | 中国建筑第六工程局有限公司 | Method for preventing sand gushing in shield tunneling construction |
| CN105134223B (en) * | 2015-08-31 | 2017-09-22 | 中铁三局集团有限公司 | A kind of construction method for improving shield launching steel case sealing |
| CN106522961B (en) * | 2016-11-08 | 2018-12-28 | 中国石油天然气集团公司 | jacking construction device |
| CN109237134A (en) * | 2018-10-19 | 2019-01-18 | 上海宝冶建筑工程有限公司 | A kind of antipriming of jacking construction |
| CN112901221B (en) * | 2021-02-03 | 2022-09-02 | 中铁上海工程局集团有限公司 | Waterproof structure of ultra-large section rectangular pipe-jacking tunnel portal of underpass river |
-
2005
- 2005-12-27 CN CN 200510112104 patent/CN1793611B/en not_active Expired - Fee Related
Non-Patent Citations (6)
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| 尹旅超,朱振宏,李玉珍,郭熙灵,蒋为群,过迟,袁少军,程卫民.日本隧道盾构新技术 1.华中理工大学出版社,1999,153. |
| 尹旅超,朱振宏,李玉珍,郭熙灵,蒋为群,过迟,袁少军,程卫民.日本隧道盾构新技术 1.华中理工大学出版社,1999,153. * |
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| Publication number | Publication date |
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| CN1793611A (en) | 2006-06-28 |
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Granted publication date: 20100512 Termination date: 20171227 |
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