CN1793609A - Outlet water-proof method for large diameter shield tunnel - Google Patents
Outlet water-proof method for large diameter shield tunnel Download PDFInfo
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- CN1793609A CN1793609A CN 200510112102 CN200510112102A CN1793609A CN 1793609 A CN1793609 A CN 1793609A CN 200510112102 CN200510112102 CN 200510112102 CN 200510112102 A CN200510112102 A CN 200510112102A CN 1793609 A CN1793609 A CN 1793609A
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- rubber tile
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Abstract
The invention relates to a water-proof method, concretely relating to a large- diameter shield tunnel outlet water-proofing method, 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 and horizontal steel sheets on the well circle; fixing water-proof rubber plates on the vertical steel sheet and at least fixing two steel wire brushes on the horizontal steel sheet, and its advantages: it adopts multiple sealing water-proof circles, the sealing measure is tight and reliable and whether when or after the shield passes through the well circle, the flapper can always contact with outer diameter of the shield or lining, thus making the rubber plates compose a sealing water-proof circles, and the water-proof effect is good, it needs no artificial operation, it saves time and labor, 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 outlet water-proof method for large diameter shield tunnel 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 method for exit of the prior art can not satisfy the requirement of current large diameter shield tunnel.
And present waterproof method 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 23 after the walling crib, bolt position 24 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 directly yearned 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 shortcoming of above-mentioned waterproof device 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 outlet water-proof method for large diameter shield tunnel is provided, this method constitutes multiple tracks sealing water proof ring by the multiple tracks rubber tile is set, also can be by the injected hole reperfusion serosity between the twice rubber tile in the limited space between the two, and multiple-sealed wire brush and oil addition hole pipe is set at borehole wall place, can form multiple tracks combination sealing sealing line, and the pressing plate of rubber tile adopts 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 outlet water-proof method for large diameter shield tunnel comprises walling crib and liner structure, and the cord rubber tile of the sealing between the two, and it is characterized in that this method adopts following step: walling crib is provided with walling crib vertical plane steel plate and horizontal plane steel plate; The fixing water proof rubber plate at vertical plane steel plate place, fixedly connected at least two wire brushes on the horizontal plane steel plate.
Fixedly the water proof rubber plate refers at vertical plane steel plate place: at first fix welding ring-type sealing casing on the vertical plane steel plate; Before shield machine advances, on ring-type sealing casing, rubber tile is installed.
Rubber tile is installed on ring-type sealing casing can refer to: should possess two blocks of vertical plane plates on the structure of this casing at least, and before shield machine advances, on every block of vertical plane plate, fixed installation cord rubber tile.
Fixed installation cord rubber tile can realize that by ring steel plate ring steel plate passes through bolt with the vertical plane plate of rubber tile and ring-shaped box, be fixedly connected with fixed head on the ring steel plate, the fixed head turnover panel that has been connected through the hinge.
At the default injected hole of vertical plane plate on the ring-shaped box and the casing place between the vertical plane plate, if seepage, can be by in the space of injected hole reperfusion serosity between rubber tile and rubber tile.
Fixedly connected at least two wire brushes on the horizontal plane steel plate can be three wire brushes of welding on the horizontal plane steel plate.
The pre-buried oil addition pipe that is provided with in the walling crib, its filler is located between wire brush and the wire brush.
Advantage of the present invention is, adopt multiple tracks sealing water proof ring, seal approach is tight, reliable, and 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 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.
Summary 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 structural representation of the present invention (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;
Accompanying drawing 10 is wire brush structural representation of the present invention;
Concrete technical scheme
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. 1-10, label 1-24 represents respectively: walling crib 1, nut 2, walling crib horizontal plane steel plate 3, cord rubber tile 4, ring steel plate 5, packing ring 6, nut 7, studs 8, fixed head 9, walling crib vertical plane steel plate 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, vertical panel 20, wire brush 21, oil addition pipe 22, shield structure and pass through bolt position 23 after the walling crib, the bolt position when the shield structure passes through walling crib 24.
The outlet water-proof method for large diameter shield tunnel that present embodiment relates to comprises walling crib 1, tunnel lining structure, rubber tile 4, is provided with twice rubber tile 4 between walling crib 1 and tunnel lining structure, and this method is as follows:
Walling crib is provided with walling crib vertical plane steel plate 10 and horizontal plane steel plate 3, before cast walling crib concrete, embedded nut 2,7 on walling crib vertical plane steel plate 10, pre-buried oil addition pipe 22 in addition.
Fixedly water proof rubber plate 4 methods are at vertical plane steel plate 10 places: before shield machine advances, ring-type sealing casing 18 is welded on the walling crib vertical plane steel plate 10, casing 18 adopts gusset 16, strengthening gusset 19 reinforces, this casing 18 is provided with two vertical panels 20, also be embedded with nut 7 on the vertical plane plate 20, rubber tile 4 is bolted to connection with the vertical panel 20 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 20 of rubber tile 4 and ring-shaped box 18 by studs 8, fixed head 9 turnover panel 11 that has been connected through the hinge, 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 be arranged in parallel with rubber tile 4.
On the casing between vertical panel on the ring-shaped box 18 20 and the vertical panel 20, injected hole 17 is set, if seepage, can be by in the space of injected hole concrete perfusion slurries between rubber tile and rubber tile.
On horizontal plane steel plate 3, be welded with three wire brushes 21, the pre-buried oil addition pipe 22 that is arranged on the horizontal plane steel plate 3, its filler is located between wire brush 21 and the wire brush 21.
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.And, can form combination sealing sealing line by the method that borehole wall place is provided with multiple-sealed wire brush 21 and oil addition pipe 22 pressure injection high water pressure resistants, nonflammable grease.
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.
Cord rubber tile 4 has added hoop and polyamide fibre line radially in process of production, has guaranteed the integrality of cord rubber tile in the tunnel progradation, and can be along with shield structure and not turning up of lining cutting and impaired.
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 (8)
1, a kind of outlet water-proof method for large diameter shield tunnel comprises walling crib and liner structure, and the cord rubber tile of the sealing between the two, it is characterized in that the step that this method is following: walling crib is provided with walling crib vertical plane steel plate and horizontal plane steel plate; The fixing water proof rubber plate at vertical plane steel plate place, fixedly connected at least two wire brushes on the horizontal plane steel plate.
2, a kind of outlet water-proof method for large diameter shield tunnel according to claim 1, it is characterized in that described at vertical plane steel plate place fixedly the water proof rubber plate refer to: fixing welding ring-type sealing casing on the vertical plane steel plate at first; Before shield machine advances, on ring-type sealing casing, rubber tile is installed.
3, a kind of outlet water-proof method for large diameter shield tunnel according to claim 2, it is characterized in that the described rubber tile of installing refers on ring-type sealing casing: should possess two blocks of vertical plane plates on the structure of this casing at least, before shield machine advances, on every block of vertical plane plate, fixed installation cord rubber tile.
4, a kind of outlet water-proof method for large diameter shield tunnel according to claim 3, 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 rubber tile and ring-shaped box, be fixedly connected with fixed head on the ring steel plate, the fixed head turnover panel that has been connected through the hinge.
5, a kind of outlet water-proof method for large diameter shield tunnel according to claim 3, it is characterized in that the default injected hole of vertical plane plate and the casing place between the vertical plane plate on the described ring-shaped box, if seepage, can be by in the space of injected hole reperfusion serosity between rubber tile and rubber tile.
6, a kind of outlet water-proof method for large diameter shield tunnel according to claim 1, it is characterized in that described on the horizontal plane steel plate fixedly connected at least two wire brushes, refer on the horizontal plane steel plate three wire brushes of welding.
7, according to claim 1 or 6 described a kind of outlet water-proof method for large diameter shield tunnel, it is characterized in that the pre-buried oil addition pipe that is provided with in the walling crib, its filler is located between wire brush and the wire brush.
8, according to claim 1 or 3 described a kind of outlet water-proof method for large diameter shield tunnel, it is characterized in that being embedded with nut on described vertical plane steel plate and the vertical plane plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101121023A CN100552187C (en) | 2005-12-27 | 2005-12-27 | Outlet water-proof method for large diameter shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101121023A CN100552187C (en) | 2005-12-27 | 2005-12-27 | Outlet water-proof method for large diameter shield tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1793609A true CN1793609A (en) | 2006-06-28 |
| CN100552187C CN100552187C (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101121023A Expired - Fee Related CN100552187C (en) | 2005-12-27 | 2005-12-27 | Outlet water-proof method for large diameter shield tunnel |
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| CN (1) | CN100552187C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146679B (en) * | 2010-02-09 | 2012-08-29 | 中铁十一局集团有限公司 | Construction method for complex geological section earth pressure balance shield passing middle air shaft |
| CN103266898A (en) * | 2013-04-26 | 2013-08-28 | 中交第二航务工程局有限公司 | Shield tunnel portal sealing device and shield tunnel portal sealing 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 |
| CN104265333A (en) * | 2014-09-30 | 2015-01-07 | 中铁十八局集团有限公司 | Water-stop sealing device and method of launching cavity opening of tube push bench under high water pressure condition |
| CN108150201A (en) * | 2017-12-29 | 2018-06-12 | 上海市机械施工集团有限公司 | Tunnel antipriming and construction method |
| CN108166994A (en) * | 2018-01-23 | 2018-06-15 | 东北大学 | A kind of construction method of grouting reinforced region applied to water-rich sand layer shield tunnel |
| CN108808594A (en) * | 2018-06-14 | 2018-11-13 | 国网浙江省电力有限公司宁波供电公司 | The cable penetration sleeve structure and its construction method of slip casting sealing |
-
2005
- 2005-12-27 CN CNB2005101121023A patent/CN100552187C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146679B (en) * | 2010-02-09 | 2012-08-29 | 中铁十一局集团有限公司 | Construction method for complex geological section earth pressure balance shield passing middle air shaft |
| CN103266898A (en) * | 2013-04-26 | 2013-08-28 | 中交第二航务工程局有限公司 | Shield tunnel portal sealing device and shield tunnel portal sealing 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 |
| CN104265333A (en) * | 2014-09-30 | 2015-01-07 | 中铁十八局集团有限公司 | Water-stop sealing device and method of launching cavity opening of tube push bench under high water pressure condition |
| CN104265333B (en) * | 2014-09-30 | 2016-06-29 | 中铁十八局集团有限公司 | Under high hydraulic condition, push-bench originates hole water-stopping sealing device and method |
| CN108150201A (en) * | 2017-12-29 | 2018-06-12 | 上海市机械施工集团有限公司 | Tunnel antipriming and construction method |
| CN108166994A (en) * | 2018-01-23 | 2018-06-15 | 东北大学 | A kind of construction method of grouting reinforced region applied to water-rich sand layer shield tunnel |
| CN108166994B (en) * | 2018-01-23 | 2019-06-18 | 东北大学 | A kind of construction method of the grouting reinforced region applied to water-rich sand layer shield tunnel |
| CN108808594A (en) * | 2018-06-14 | 2018-11-13 | 国网浙江省电力有限公司宁波供电公司 | The cable penetration sleeve structure and its construction method of slip casting sealing |
| CN108808594B (en) * | 2018-06-14 | 2024-05-17 | 国网浙江省电力有限公司宁波供电公司 | Grouting-sealed cable wall bushing structure and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100552187C (en) | 2009-10-21 |
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Granted publication date: 20091021 Termination date: 20171227 |