CN202578718U - Locating system for embedded part at construction joint between tunnel invert and secondary lining - Google Patents
Locating system for embedded part at construction joint between tunnel invert and secondary lining Download PDFInfo
- Publication number
- CN202578718U CN202578718U CN 201220225182 CN201220225182U CN202578718U CN 202578718 U CN202578718 U CN 202578718U CN 201220225182 CN201220225182 CN 201220225182 CN 201220225182 U CN201220225182 U CN 201220225182U CN 202578718 U CN202578718 U CN 202578718U
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- linings
- tunnel invert
- joint place
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Abstract
The utility model provides a locating system for an embedded part at a construction joint between a tunnel invert and a secondary lining. The locating system comprises a steel-edge water stop fixing device, wherein two sides of the steel-edge water stop fixing device are connected with horizontal reinforcing steel bars distributed at intervals; the external end of each horizontal reinforcing steel bar is connected with a galvanized steel pipe for allowing a joint reinforcing steel bar to vertically penetrate through; and the galvanized steel pipe is provided with a fastener for clamping the joint reinforcing steel bar. In one aspect, by the steel-edge water stop fixing device, the locating system ensures a longitudinal straightness and a precise buried depth for a steel-edge water stop, so that a swelling strip of the steel-edge water stop is pre-buried precisely, and meanwhile, a front water stop and a rear water stop are overlapped and adhered tightly so as to achieve a good waterproof effect; and in another aspect, by a T-shaped fixing component, the joint reinforcing steel bar between the tunnel invert and the secondary lining is the same in length and uniform in intervals so as to enhance the shearing resistance of the concrete of the tunnel invert and the concrete of the secondary lining well; and the joint reinforcing steel bar does not need to be adjusted and located again so as not to increase the later labor cost and material cost.
Description
Technical field
The utility model belongs to tunnel invert and two lining construction fields, relates in particular to the location hardened system of constuction joint place built-in fitting between tunnel invert and two linings.
Background technology
The built-in fitting at constuction joint place between tunnel invert and two linings has steel limit waterstop usually and connects a batch reinforcing bar.The setting that wherein connects batch reinforcing bar is in order to strengthen the shear resistance between tunnel invert concrete and two mat wall concrete, to connect the direct resistance to overturning that influences the tunnel of construction quality of batch reinforcing bar.
Traditional batch reinforcement construction method that connects is that artificial the insertion connects a batch reinforcing bar before the inverted arch concrete initial set; Because of concrete does not solidify; Poor stability, the deadweight that connects batch reinforcing bar can make and connect batch reinforcing bar and tilt not straightly, and protruded length is different in size; The spacing irregularity, construction quality can not satisfy the design specifications requirement.
Traditional connect batch reinforcement construction and waterstop construction in steel limit is carried out respectively, directly cause working procedure complicated, cost of construction materials, artificial adjustment expense increase.
The utility model content
The technical problem that the utility model will solve is the deficiency that overcomes prior art, and constuction joint place built-in fitting navigation system between low tunnel invert of a kind of simple in structure, easy construction, cost and two linings is provided.
To achieve these goals; The utility model provides constuction joint place built-in fitting navigation system between a kind of tunnel invert and two linings; Said navigation system comprises steel limit waterstop fastening devices; Waterstop fastening devices both sides, said steel limit are connected with spaced apart horizontal reinforcement, and the outer end of said horizontal reinforcement is connected with and supplies to connect the coating steel pipe that batch reinforcing bar vertically passes, and is equiped with on the coating steel pipe and is used for clamping the said securing member that connects batch reinforcing bar.
In the constuction joint place built-in fitting navigation system, preferred, the horizontal reinforcement that is positioned at waterstop fastening devices both sides, said steel limit is symmetric arrangement between above-mentioned tunnel invert and two linings.
In the constuction joint place built-in fitting navigation system, preferred, said coating steel pipe length is 6cm～8cm between above-mentioned tunnel invert and two linings.
In the constuction joint place built-in fitting navigation system, preferred, said coating steel pipe diameter exceeds 2mm～4mm than the said batch bar diameter that connects between above-mentioned tunnel invert and two linings.
In the constuction joint place built-in fitting navigation system, preferred between above-mentioned tunnel invert and two linings, said steel limit waterstop fastening devices comprises intermediate plate spare, be used for clamping the fastening accessory of said intermediate plate spare and be used to support the vertical end supporting bracket of said intermediate plate spare; Said intermediate plate spare by two hollow square steels and the angle steel that at interval is welded on said hollow square steel upper surface to forming.
In the constuction joint place built-in fitting navigation system, preferred, the right spacing distance of said angle steel is 2m～3m between above-mentioned tunnel invert and two linings.
In the constuction joint place built-in fitting navigation system, preferred, the right single angle steel length of said angle steel is more than the 5cm between above-mentioned tunnel invert and two linings.
In the constuction joint place built-in fitting navigation system, preferred, an acting surface of the single angle steel that said angle steel is right and the upper surface of said hollow square steel are fitted between above-mentioned tunnel invert and two linings, and another acting surface is positioned on the plane of flattening of said hollow square steel medial surface.
Compared with prior art; The advantage of the utility model is; The utility model has adopted the horizontal reinforcement outside connection of arranging in existing waterstop fastening devices both sides, steel limit to be used to supply to connect the coating steel pipe that batch reinforcing bar vertically passes; This horizontal reinforcement and coating steel pipe constitute T type fixture, and this T type fixture matching fastener (set bolt) can be used for fixedly connecing a batch reinforcing bar, and whole system has solved steel limit waterstop simultaneously and connect batch a reinforcing bar location and fixing problem.On the one hand, steel limit waterstop fastening devices has guaranteed that steel limit waterstop is vertically straight, and buried depth is accurate, makes steel limit waterstop expansion bar pre-buried accurately, and two waterstop overlap joints are closely connected before and after satisfying simultaneously, play good waterproof effect; On the other hand, can make through this T type fixture to connect that batch reinforcing bar length is unified, spacing is even between tunnel invert and two linings, can strengthen tunnel invert concrete and the concrete shear behavior of two mat walls well; Connect batch reinforcing bar and also need not readjust and locate, can not cause the increase of later stage labour cost, cost of materials.
Description of drawings
Fig. 1 is the structural representation of constuction joint place built-in fitting navigation system between tunnel invert and two linings among the utility model embodiment.
Fig. 2 is the structural representation of T type fixture in the constuction joint place built-in fitting navigation system between tunnel invert and two linings among the utility model embodiment.
Fig. 3 is the working state figure (sectional view) of constuction joint place built-in fitting navigation system between tunnel invert and two linings among the utility model embodiment.
Marginal data:
1, connects a batch reinforcing bar; 2, fixed screw; 3, coating steel pipe; 4, horizontal reinforcement; 5, hollow square steel; 6, angle steel; 7, set bolt; 8, supporting bracket; 9, steel limit waterstop.
The specific embodiment
Below in conjunction with Figure of description and specific embodiment the utility model is further described.
Embodiment
Constuction joint place built-in fitting navigation system between a kind of tunnel invert as shown in Figure 1 and two linings; This navigation system comprises steel limit waterstop fastening devices; Steel limit waterstop fastening devices bilateral symmetry is weld horizontal reinforcing bar 4 at interval; The outer end of horizontal reinforcement 4 is welded with and supplies to connect the coating steel pipe 3 that batch reinforcing bar vertically passes, and is equiped with on the coating steel pipe 3 and is used for clamping the fixed screw 2 that connects batch reinforcing bar 1; Horizontal reinforcement 4, coating steel pipe 3 have constituted the T type fixture that as shown in Figure 2 being used for fixing connects batch reinforcing bar 1, and wherein, coating steel pipe 3 length are 6cm～8cm, and coating steel pipe 3 diameters ratio connects batch reinforcing bar 1 diameter and exceeds 2mm～4mm.
The steel limit waterstop fastening devices of present embodiment comprises intermediate plate spare, be used for clamping the set bolt 7 of intermediate plate spare and be used to support the vertical end supporting bracket 8 of intermediate plate spare; Intermediate plate spare by two hollow square steels 5 and the angle steel that is welded on hollow square steel 5 upper surfaces at interval to forming; The right spacing distance of angle steel is 2m～3m; Single angle steel 6 length of angle steel centering are more than the 5cm; Wherein the upper surface of acting surface of the single angle steel 6 of angle steel centering and hollow square steel 5 is fitted, and another acting surface is positioned on the plane of flattening of hollow square steel 5 medial surfaces.
The method for using of constuction joint place built-in fitting navigation system is as shown in Figure 3 between the tunnel invert of present embodiment and two linings: at first; Place two hollow square steels 5 middle the first half of steel limit waterstop 9; It is right to utilize set bolt 7 to clamp angle steel then; And then make two hollow square steels 5 clamp the first half of steel limit waterstop 9; The latter half of steel limit waterstop 9 is then directly imbedded in the concrete when inverted arch concreting, and guarantees that the rubber swelling bar at waterstop 9 middle parts, steel limit is positioned at the constuction joint middle part just.Simultaneously, will connect batch reinforcing bar 1 and vertically pass coating steel pipe 3, half length that connects batch reinforcing bar 1 is inserted inverted arch concrete after, again the fixed screw 2 at coating steel pipe 3 middle parts is tightened and is fixedly connect batch reinforcing bar 1 and get final product.
Claims (9)
1. constuction joint place built-in fitting navigation system between tunnel invert and two linings; It is characterized in that: said navigation system comprises steel limit waterstop fastening devices; Waterstop fastening devices both sides, said steel limit are connected with spaced apart horizontal reinforcement; The outer end of said horizontal reinforcement is connected with and supplies to connect the coating steel pipe that batch reinforcing bar vertically passes, and is equiped with on the coating steel pipe and is used for clamping the said securing member that connects batch reinforcing bar.
2. constuction joint place built-in fitting navigation system between tunnel invert according to claim 1 and two linings, it is characterized in that: the horizontal reinforcement that is positioned at waterstop fastening devices both sides, said steel limit is symmetric arrangement.
3. constuction joint place built-in fitting navigation system between tunnel invert according to claim 2 and two linings, it is characterized in that: said coating steel pipe length is 6cm～8cm.
4. constuction joint place built-in fitting navigation system between tunnel invert according to claim 2 and two linings, it is characterized in that: said coating steel pipe diameter exceeds 2mm～4mm than the said batch bar diameter that connects.
5. constuction joint place built-in fitting navigation system between tunnel invert according to claim 1 and two linings is characterized in that: said steel limit waterstop fastening devices comprises intermediate plate spare, be used for clamping the fastening accessory of said intermediate plate spare and be used to support the vertical end supporting bracket of said intermediate plate spare; Said intermediate plate spare by two hollow square steels and the angle steel that at interval is welded on said hollow square steel upper surface to forming.
6. constuction joint place built-in fitting navigation system between tunnel invert according to claim 5 and two linings, it is characterized in that: the right spacing distance of said angle steel is 2m～3m.
7. according to constuction joint place built-in fitting navigation system between claim 5 or 6 described tunnel inverts and two linings, it is characterized in that: the right single angle steel length of said angle steel is more than the 5cm.
8. constuction joint place built-in fitting navigation system between tunnel invert according to claim 7 and two linings; It is characterized in that: an acting surface of the single angle steel that said angle steel is right and the upper surface of said hollow square steel are fitted, and another acting surface is positioned on the plane of flattening of said hollow square steel medial surface.
9. according to constuction joint place built-in fitting navigation system between claim 5 or 6 described tunnel inverts and two linings; It is characterized in that: an acting surface of the single angle steel that said angle steel is right and the upper surface of said hollow square steel are fitted, and another acting surface is positioned on the plane of flattening of said hollow square steel medial surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225182 CN202578718U (en) | 2012-05-18 | 2012-05-18 | Locating system for embedded part at construction joint between tunnel invert and secondary lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225182 CN202578718U (en) | 2012-05-18 | 2012-05-18 | Locating system for embedded part at construction joint between tunnel invert and secondary lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202578718U true CN202578718U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220225182 Expired - Fee Related CN202578718U (en) | 2012-05-18 | 2012-05-18 | Locating system for embedded part at construction joint between tunnel invert and secondary lining |
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| CN (1) | CN202578718U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061005A (en) * | 2014-07-08 | 2014-09-24 | 衡水鑫盛达新材料科技有限公司 | Rubber waterstop fixing supporting rod and use method thereof |
| CN104314589A (en) * | 2014-08-25 | 2015-01-28 | 中铁隧道集团一处有限公司 | Mounting method for longitudinal waste stop belt of tunnel side wall foundation |
| CN104790969A (en) * | 2015-03-04 | 2015-07-22 | 中铁二十四局集团福建铁路建设有限公司 | Two-time positioning construction process for pre-buried channels of overhead line system of high-speed railway tunnel |
| CN105297925A (en) * | 2015-11-13 | 2016-02-03 | 上海隧道工程有限公司 | Embedded waterstop pre-burying structure and construction method thereof |
| CN107299836A (en) * | 2017-08-14 | 2017-10-27 | 中铁上海工程局集团有限公司 | A kind of short abutment wall of constructing tunnel inverted arch sews up a batch rebar fixing device |
| CN108868835A (en) * | 2018-06-15 | 2018-11-23 | 中铁十二局集团有限公司 | Buried steel side waterstop installs reinforcement means in a kind of short abutment wall in tunnel |
| CN109594662A (en) * | 2019-01-16 | 2019-04-09 | 中建八局第建设有限公司 | A kind of middle buried water stop fixing means and its grip device |
-
2012
- 2012-05-18 CN CN 201220225182 patent/CN202578718U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061005A (en) * | 2014-07-08 | 2014-09-24 | 衡水鑫盛达新材料科技有限公司 | Rubber waterstop fixing supporting rod and use method thereof |
| CN104314589A (en) * | 2014-08-25 | 2015-01-28 | 中铁隧道集团一处有限公司 | Mounting method for longitudinal waste stop belt of tunnel side wall foundation |
| CN104314589B (en) * | 2014-08-25 | 2016-03-30 | 中铁隧道集团一处有限公司 | Longitudinal waterstop mounting method on tunnel side wall basis |
| CN104790969A (en) * | 2015-03-04 | 2015-07-22 | 中铁二十四局集团福建铁路建设有限公司 | Two-time positioning construction process for pre-buried channels of overhead line system of high-speed railway tunnel |
| CN105297925A (en) * | 2015-11-13 | 2016-02-03 | 上海隧道工程有限公司 | Embedded waterstop pre-burying structure and construction method thereof |
| CN105297925B (en) * | 2015-11-13 | 2017-10-13 | 上海隧道工程有限公司 | Embedded waterstop pre-buried structure and its construction method |
| CN107299836A (en) * | 2017-08-14 | 2017-10-27 | 中铁上海工程局集团有限公司 | A kind of short abutment wall of constructing tunnel inverted arch sews up a batch rebar fixing device |
| CN108868835A (en) * | 2018-06-15 | 2018-11-23 | 中铁十二局集团有限公司 | Buried steel side waterstop installs reinforcement means in a kind of short abutment wall in tunnel |
| CN109594662A (en) * | 2019-01-16 | 2019-04-09 | 中建八局第建设有限公司 | A kind of middle buried water stop fixing means and its grip device |
| CN109594662B (en) * | 2019-01-16 | 2024-01-30 | 中建八局第一建设有限公司 | Method for fixing embedded water stop and clamp device thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20170518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |