CN104727349A - Fixing part of concrete expansion joint double-sealing-up structure - Google Patents
Fixing part of concrete expansion joint double-sealing-up structure Download PDFInfo
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- CN104727349A CN104727349A CN201510158789.8A CN201510158789A CN104727349A CN 104727349 A CN104727349 A CN 104727349A CN 201510158789 A CN201510158789 A CN 201510158789A CN 104727349 A CN104727349 A CN 104727349A
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- concrete
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- embedded fixing
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- 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
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
Abstract
A fixing part of a concrete expansion joint double-sealing-up structure comprises embedded fixing part bodies, pull rods and flat iron, and is characterized in that reinforcing ribs are arranged at one ends of the embedded fixing part bodies, the other ends of the embedded fixing part bodies are provided with upwards bent hooks, the three embedded fixing part bodies are embedded in first-stage concrete at set intervals in parallel, the hooks at the ends protrude out of the concrete fracture surface, a round ring is arranged at one end of each pull rod, the other ends of the pull rods are provided with threads and nuts, the round rings of the three pull rods are arranged on the hooks respectively in a sleeving mode, the flat iron is rectangular, long holes corresponding to the pull rods are formed in the two ends and middle of the flat iron, the three pull rods penetrate through the long holes of the flat iron respectively, and fastening nuts fix two U-shaped steel channels on the first-stage concrete fracture surface at the same time. The fixing part of the concrete expansion joint double-sealing-up structure can solve the problem of water seepage caused by uneven stratum settlement or diastrophism in the water conservancy project, and can also save labor and shorten the project duration.
Description
Technical field
The present invention relates to a kind of underground (under water) buildings waterproof device, particularly the two water-stopping structure fixture of a kind of concrete extension joint.
Background technology
In existing concrete structure, such as checkdam, reservoir, subway, culvert, sluice, in the underground constructions such as tunnel, due to can not continuous placing or the distortion due to foundation settlement (earthquake), or the reason such as to expand with heat and contract with cold of the concrete component to cause due to the change of temperature, shrinkage joint will be reserved when building, deformation joint, anti-seep measure will be taked in these gaps, prevent outside water or ground water seepage in structure space, present usual way is, between fist stage concrete and second stage concrete, concrete pit is set, maltha and copper sheet or rubber water-proof sheet is established in groove, but, this method needs concrete soil box in advance, can combine closely to make concrete pit and second stage concrete, need to carry out dabbing process to peripheral 3 faces of concrete pit, the duration will be extended like this and increase artificial, simultaneously because the general every segment length (highly) of concrete pit only has 50-100cm, flexible gap will be connected and composed by multiple concrete pit, therefore many transverse slots can be produced, and the irregular deformation of multiple concrete pit, phenomenon is emitted in the race that postorder can be caused to pour into maltha, and be difficult to cleaning.
Summary of the invention
In order to solve the problem, the invention provides the two water-stopping structure fixture of a kind of concrete extension joint, the present invention can meet multiple ground condition/stratum differential settlement or the changing of the relative positions, adopts expense and the reductions of erection time such as the present invention can save manually, machinery, mould material.
For achieving the above object, the invention provides following technical scheme:
The two water-stopping structure of a kind of concrete extension joint, comprise distortion sheet, channel-section steel, it is characterized in that: concrete cross section is provided with two panels distortion sheet, described two panels distortion sheet is longitudinally arranged every setpoint distance, all that half is embedded in fist stage concrete, second half protrudes from, and concrete cross section is outer to be also located in corresponding channel-section steel respectively, is provided with pitch in described channel-section steel; Described channel-section steel opening surface and fist stage concrete section are provided with asphaltic felt.
Further, the described rectangular plate body of distortion sheet, width 30-60cm, length, with concrete cross section height, pours into a concrete Edge Bend 90 °, bending height 2-5cm, and 2 distortion sheets are separately positioned on concrete two back gauge avris 10-20cm.
Further, described channel-section steel is U-section, thickness 1-3mm, U-shaped A/F 5-10cm, 1/2 of U-shaped opening degree of depth 10-30cm or distortion sheet width, length is with concrete cross section height, and described U-lag steel is longitudinally arranged, and its opening is to concrete and be arranged in the middle of U-lag steel at the distortion sheet of concrete cross section by protrusion.
Further, described asphaltic felt is bituminous felt, asphaltic felt totally 3 accumulative width and concrete cross section wide, be separately positioned on 2 distortion both sides of sheets and centre, thickness 5-10mm, highly equals concrete cross section height.
Further, the two water-stopping structure fixture of described concrete extension joint, fixture comprises embedded fixing component, pull bar and band iron, it is characterized in that: described embedded fixing component one end is provided with reinforcing rib, the other end is provided with the hook of upwards bending, 3 embedded fixing components are embedded in fist stage concrete by setpoint distance is parallel, and the hook of its termination protrudes concrete cross section; One end of described pull bar is provided with annulus, and the other end is provided with screw thread and nut, and the annulus of 3 pull bars is enclosed within hook respectively; Described band iron is rectangle, and its two ends and centre are provided with the elongated hole corresponding with draw rod positions, and 3 described pull bars are each passed through the elongated hole of band iron, and 2 U-lag steel are fixed on fist stage concrete section by clamp nut simultaneously.
Described embedded fixing component is that the bending reinforcement of diameter 8-10mm becomes L shape, length 30-50cm, and one is held row bending 90 ° level with both hands and formed reinforcing rib, reinforcing rib length 8-15cm, and the other end upwards bending 90 ° forms hook, hook height 3-5cm.
Described pull bar is the reinforcing bar of diameter 8-10mm, length 20-40cm, and at its one end welding annulus, internal radius 10-12mm, height 10-20mm, the other end is provided with screw thread and the nut with threaded engagement.
Described band iron is rectangular steel plates, width 4-8cm, thickness 1-1.5cm, and length, with concrete cross section width, arranges the elongated hole corresponding with draw rod positions, elongated hole width 10-15mm, length 20-50mm at its two ends and centre.
3 described L shape embedded fixing components and 3 pull bars and 1 band iron form one group of fixture, for being fixedly installed on 2 U-lag steel of fist stage concrete section part.
The invention also discloses the manufacture method of the two water-stopping structure of a kind of concrete extension joint with this fixture, its feature comprises following technology and step:
1) be out of shape sheet to make: copper plate or the corrosion resistant plate of choosing thickness 1-3mm, cut into rectangle, width 30-60cm, and length is equal with supporting concrete cross section height, a side elongatedness direction bending 90 °, bending height 2-4cm, for subsequent use;
2) channel-section steel makes: channel-section steel is selected U-section or made the channel-section steel of the opening that takes the shape of the letter U with rectangular steel plates bending, thickness 1-3mm, 1/2 of U-shaped A/F 5-10cm, U-shaped opening degree of depth 10-30cm or distortion sheet width, length is with concrete cross section height, for subsequent use;
3) asphaltic felt makes: asphaltic felt is bituminous felt, one deck pitched paper one deck pitch is adopted successively to thicken laying, gross thickness 5-10mm, asphaltic felt is 3, wherein 2 for concrete cross section both sides are to the width of adjacent distortion sheet, and another sheet equals the width in the middle of 2 distortion sheets, thickness 5-10mm, highly equal concrete cross section height, for subsequent use;
4) fixture makes: fixture comprises embedded fixing component, pull bar and band iron, described embedded fixing component becomes L shape with the bending reinforcement of diameter 8-10mm, length 30-50cm, the parallel bending in one end 90 ° forms reinforcing rib, reinforcing rib length 8-15cm, the other end upwards bending 90 ° forms hook, hook height 3-5cm; Described pull bar is the reinforcement fabrication of diameter 8-10mm, length 20-40cm, at its one end welding annulus, and internal radius 10-12mm, height 10-20mm, the other end is provided with screw thread and the nut with threaded engagement; Described band iron is rectangular steel plates, width 4-8cm, thickness 1-1.5cm, length is with concrete cross section width, at its two ends and centre, the elongated hole corresponding with draw rod positions is set, elongated hole width 10-15mm, length 20-50mm, 3 described L shape embedded fixing components and 3 pull bars and 1 band iron form one group of fixture, for subsequent use.
The invention also discloses the construction method of the two water-stopping structure of a kind of concrete extension joint with this fixture, its feature comprises following technology and step:
1) fist stage concrete is built: arrange 2 distortion sheets at fist stage concrete section part, 2 distortion sheets are separately positioned on concrete cross section both sides, each distance avris 10-20cm, 2 distortion sheets are longitudinally arranged, all have one side half of knuckle to be embedded in fist stage concrete, second half protrudes from outside concrete cross section, 3 L shape embedded fixing components are set in parallel in concrete cross section place, one of them is arranged on the centre of concrete cross section, another two are separately positioned on concrete cross section both sides distance side 5-10cm respectively, the hook of L shape embedded fixing component protrudes concrete cross section, according to concrete cross section height, fixture array is set, the spacing 1-2m of two groups of fixtures, concreting, distortion preventing sheet and fixture displacement,
2) fist stage concrete solidifies more than 7 days (temperature more than 20 DEG C), arranges in concrete cross section 2 distortion sheet both sides and centre the bituminous felt made respectively;
3) channel-section steel is set again: 2 channel-section steels are longitudinally set at concrete cross section outward, 2 that protrude distortion sheets are arranged in channel-section steel opening by 2 channel-section steels respectively, in the middle of 2 channel-section steels and the hook of both sides overlaps respectively the annulus of upper connecting rod, pull bar arranges band iron, and 2 channel-section steels are fixed on concrete cross section by fastening nut;
4) in 2 channel-section steels, fill melting No. 30 building asphalts, cooling, differ different cool time according to the temperature of job site, general summer 10-24 hour, winter 1-10 hour;
5) unscrew nut after pitch cooling, take off pull bar and band iron, pull bar and band iron collection recycle;
6) second stage concrete is built;
7) next preset slot repeats above-mentioned 1-6 step.
Beneficial effect of the present invention
1. can solve the leakage problems of the permanent seam in the underground constructions such as checkdam, reservoir, subway, culvert, sluice, tunnel;
2., because it does not need concrete soil box, the expenses such as artificial, mechanical, the template needed for concrete soil box can be reduced;
3. save the installation procedure of concrete pit, reduce the duration;
4. solve and to construct easy seepage with the construct liquid asphalt that causes of concrete soil box, be difficult to the problem of clearing up;
5. adopt channel-section steel to save dabbing operation than concrete prefabricated groove, every meter of concrete cross section saves 1 manually;
6. the seepage that the reason such as to expand with heat and contract with cold of the concrete component that can meet multiple ground condition/stratum differential settlement or cause due to the change of temperature causes;
7. can prevent the section interface changing of the relative positions because the natural calamities such as earthquake cause, be out of shape the seepage caused.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram after the tunnel wall construction of the two water-stopping structure fixture of application concrete extension joint of the present invention;
Fig. 2 is the plan structure schematic diagrames of the two water-stopping structures of application concrete extension joint of the present invention when watering maltha;
Fig. 3 is the perspective structure schematic diagram of Fig. 2;
Fig. 4 is the perspective view that channel-section steel fixed by fixture;
Fig. 5 removes plan structure schematic diagram after fixture after asphalting;
Fig. 6 is the perspective view of Fig. 5;
Fig. 7 is the plan structure schematic diagram of fixture;
Fig. 8 is a pull bar annulus of stereochemical structure, the wherein side of fixture and the schematic diagram of hook not-connected status;
Fig. 9 is the perspective view of channel-section steel;
Figure 10 is the perspective view of distortion sheet;
Figure 11 is plan structure schematic diagram after the construction of conventional telescopic seam water-stopping structure.
Wherein, 1-is out of shape sheet, 2-channel-section steel, 3-asphaltic felt, 4-fist stage concrete, 5-second stage concrete, 6-pitch, 7-band iron, 8-pull bar, 9-embedded fixing component, 10-annulus, 11-reinforcing rib, and 12-links up with, 13-elongated hole, 14-concrete pit.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment, with reference to accompanying drawing: the two water-stopping structure of a kind of concrete extension joint, comprise distortion sheet 1, channel-section steel 2, concrete cross section is provided with two panels distortion sheet 1, described two panels distortion sheet 1 is longitudinally arranged every setpoint distance, be all that half is embedded in fist stage concrete 4, second half protrudes from, and concrete cross section is outer to be also located in corresponding channel-section steel 2 respectively, is provided with pitch 6 in described channel-section steel 2; Described channel-section steel 2 opening surface and fist stage concrete 4 section are provided with asphaltic felt 3.
Further, the described rectangular plate body of distortion sheet 1, width 30-60cm, length, with concrete cross section height, pours into a concrete Edge Bend 90 °, bending height 2-5cm, and 2 distortion sheets 1 are separately positioned on concrete two back gauge avris 10-20cm.
Further, described channel-section steel 2 is U-section, thickness 1-3mm, U-shaped A/F
1/2 of 5-10cm, U-shaped opening degree of depth 10-30cm or distortion sheet width, length is with concrete cross section height, and described U-lag steel 2 is longitudinally arranged, and its opening is to concrete and be arranged in the middle of U-lag steel 2 at the distortion sheet 1 of concrete cross section by protrusion.
Further, described asphaltic felt 3 is bituminous felt 3, asphaltic felt 3 totally 3 accumulative width and concrete cross section wide, be separately positioned on 2 distortion both sides of sheets 1 and centre, thickness 5-10mm, highly equals concrete cross section height.
The two water-stopping structure fixture of described concrete extension joint, fixture comprises embedded fixing component 9, pull bar 8 and band iron 7, described embedded fixing component 9 one end is provided with reinforcing rib 11, the other end is provided with the hook 12 of upwards bending, 3 embedded fixing components 9 are embedded in fist stage concrete 4 by setpoint distance is parallel, and the hook 12 of its termination protrudes concrete cross section; One end of described pull bar 8 is provided with annulus 10, and the other end is provided with screw thread and nut, and the annulus 10 of 3 pull bars 8 is enclosed within hook 12 respectively; Described band iron 7 is rectangle, and its two ends and centre are provided with the elongated hole 13 corresponding with pull bar 8 position, and 3 described pull bars 8 are each passed through the elongated hole 13 of band iron 7, and 2 U-lag steel 2 are fixed on fist stage concrete 4 section by clamp nut simultaneously.
Described embedded fixing component 9 is that the bending reinforcement of diameter 8-10mm becomes L shape, length 30-50cm, and one is held row bending 90 ° level with both hands and formed reinforcing rib 11, reinforcing rib 11 length 8-15cm, and the other end upwards bending 90 ° forms hook 12, hook 12 height 3-5cm.
Described pull bar 8 is the reinforcing bar of diameter 8-10mm, length 20-40cm, and at its one end welding annulus 10, annulus 10 internal diameter 10-12mm, height 10-20mm, the other end is provided with screw thread and the nut with threaded engagement.
Described band iron 7 is rectangular steel plates, width 4-8cm, thickness 1-1.5cm, and length, with concrete cross section width, arranges the elongated hole 13 corresponding with pull bar 8 position, elongated hole 13 width 10-15mm, length 20-50mm at its two ends and centre.
3 described L shape embedded fixing components 9 and 3 pull bars 8 and 1 band iron 7 form one group of fixture, for being fixedly installed on 2 U-lag steel 2 of fist stage concrete 4 section part.
The present embodiment also discloses the manufacture method of the two water-stopping structure of a kind of concrete extension joint with this fixture, comprises following technology and step:
2) be out of shape sheet 1 to make: copper plate or the corrosion resistant plate of choosing thickness 1-3mm, cut into rectangle, width 30-60cm, and length is equal with supporting concrete cross section height, a side elongatedness direction bending 90 °, bending height 2-4cm, for subsequent use;
2) channel-section steel 2 makes: channel-section steel 2 is selected U-section or made the channel-section steel 2 of the opening that takes the shape of the letter U with rectangular steel plates bending, thickness 1-3mm, 1/2 of U-shaped A/F 5-10cm, U-shaped opening degree of depth 10-30cm or distortion sheet 1 width, length is with concrete cross section height, for subsequent use;
3) asphaltic felt 3 makes: asphaltic felt 3 is bituminous felt, one deck pitched paper one deck pitch is adopted successively to thicken laying, gross thickness 5-10mm, asphaltic felt 3 is 3, wherein 2 for concrete cross section both sides are to the width of adjacent distortion sheet 1, and another sheet equals the width in the middle of 2 distortion sheets 1, thickness 5-10mm, highly equal concrete cross section height, for subsequent use;
4) fixture makes: fixture comprises embedded fixing component 9, pull bar 8 and band iron 7, described embedded fixing component 9 becomes L shape with the bending reinforcement of diameter 8-10mm, length 30-50cm, the parallel bending in one end 90 ° forms reinforcing rib 11, reinforcing rib 11 length 8-15cm, the other end upwards bending 90 ° forms hook 10, hook 10 height 3-5cm; Described pull bar 8 is the reinforcement fabrication of diameter 8-10mm, length 20-40cm, at its one end welding annulus 12, and annulus 12 internal diameter 10-12mm, height 10-20mm, the other end is provided with screw thread and the nut with threaded engagement; Described band iron 7 is rectangular steel plates, width 4-8cm, thickness 1-1.5cm, length is with concrete cross section width, at its two ends and centre, the elongated hole 13 corresponding with pull bar 8 position is set, elongated hole 13 width 10-15mm, length 20-50mm, 3 described L shape embedded fixing components 9 and 3 pull bars 8 and 1 band iron 7 form one group of fixture, for subsequent use.
The present embodiment also discloses the construction method of the two water-stopping structure of a kind of concrete extension joint with this fixture, comprises following technology and step:
1) fist stage concrete 4 is built: arrange 2 distortion sheets 1 at fist stage concrete 4 section part, 2 distortion sheets 1 are separately positioned on concrete cross section both sides, each distance avris 10-20cm, 2 distortion sheets 1 are longitudinally arranged, all have one side half of knuckle to be embedded in fist stage concrete 4, second half protrudes from outside concrete cross section, 3 L shape embedded fixing components 9 are set in parallel in concrete cross section place, one of them is arranged on the centre of concrete cross section, another two are separately positioned on concrete cross section both sides distance side 5-10cm respectively, the hook 10 of L shape embedded fixing component 9 protrudes concrete cross section, according to concrete cross section height, fixture array is set, the spacing 1-2m of two groups of fixtures, concreting, distortion preventing sheet 1 and fixture displacement,
2) fist stage concrete 4 solidifies more than 7 days (temperature more than 20 DEG C), arranges in concrete cross section 2 distortion sheet 1 both sides and centre the bituminous felt 3 made respectively;
3) channel-section steel 2 is set again: 2 channel-section steels 2 are longitudinally set at concrete cross section outward, 2 that protrude distortion sheets 1 are arranged in channel-section steel 2 opening by 2 channel-section steels 2 respectively, in the middle of 2 channel-section steels 2 and the hook 10 of both sides overlaps respectively the annulus 12 of upper connecting rod 8, pull bar 8 arranges band iron 7, and 2 channel-section steels 2 are fixed on concrete cross section by fastening nut;
4) in 2 channel-section steels 2, fill melting No. 30 building asphalts 6, cooling, differ different cool time according to the temperature of job site, general summer 10-24 hour, winter 1-10 hour;
5) pitch 6 unscrews nut after cooling, and takes off pull bar 8 and band iron 7, and pull bar 8 and band iron 7 collection recycle;
6) second stage concrete 5 is built;
7) next preset slot repeats above-mentioned 1-6 step.
Apply the two water-stopping structure of concrete extension joint of the present invention and do not need concrete soil box 14, can reduction of erection time 20-30 days; Because adopting channel-section steel 2 not need dabbing, every meter of concrete cross section can save 1 artificial expense; Adopt two water-stopping structure design, the double guarantee of single water-stopping structure especially simultaneously, can be used as the construction of the box dam such as checkdam, reservoir retaining wall, also can be used for the construction of the sidewall of the underground constructions such as subway, culvert, sluice, tunnel, shrinkage joint is neatly non-leakage; The seepage that the reason such as to expand with heat and contract with cold of the concrete component adopting this technology can meet multiple ground condition/stratum differential settlement or to cause due to the change of temperature causes; The section interface changing of the relative positions because the natural calamities such as earthquake cause can be prevented, be out of shape the seepage caused.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. the two water-stopping structure fixture of concrete extension joint, comprise embedded fixing component, pull bar and band iron, it is characterized in that: described embedded fixing component one end is provided with reinforcing rib, the other end is provided with the hook of upwards bending, 3 embedded fixing components are embedded in fist stage concrete by setpoint distance is parallel, and the hook of its termination protrudes concrete cross section; One end of described pull bar is provided with annulus, and the other end is provided with screw thread and nut, and the annulus of 3 pull bars is enclosed within hook respectively; Described band iron is rectangle, and its two ends and centre are provided with the elongated hole corresponding with draw rod positions, and 3 described pull bars are each passed through the elongated hole of band iron, and 2 U-lag steel are fixed on fist stage concrete section by clamp nut simultaneously.
2. the two water-stopping structure fixture of concrete extension joint according to claim 1, it is characterized in that: described embedded fixing component is that the bending reinforcement of diameter 8-10mm becomes L shape, length 30-50cm, the parallel bending in one end 90 ° forms reinforcing rib, reinforcing rib length 8-15cm, the other end upwards bending 90 ° forms hook, hook height 3-5cm.
3. the two water-stopping structure fixture of concrete extension joint according to claim 1, it is characterized in that: described pull bar is the reinforcing bar of diameter 8-10mm, length 20-40cm, at its one end welding annulus, internal radius 10-12mm, height 10-20mm, the other end is provided with screw thread and the nut with threaded engagement.
4. the two water-stopping structure fixture of concrete extension joint according to claim 1, it is characterized in that: described band iron is rectangular steel plates, width 4-8cm, thickness 1-1.5cm, length is with concrete cross section width, at its two ends and centre, the elongated hole corresponding with draw rod positions is set, elongated hole width 10-15mm, length 20-50mm.
5. the two water-stopping structure fixture of concrete extension joint according to claim 1, it is characterized in that: 3 described L shape embedded fixing components and 3 pull bars and 1 band iron form one group of fixture, for being fixedly installed on 2 U-lag steel of fist stage concrete section part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510158789.8A CN104727349B (en) | 2014-03-02 | 2014-03-02 | The double water sealing structure fixture of a kind of concrete extension joint |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076640.0A CN103821180B (en) | 2014-03-02 | 2014-03-02 | The two water-stopping structure of a kind of concrete extension joint |
| CN201510158789.8A CN104727349B (en) | 2014-03-02 | 2014-03-02 | The double water sealing structure fixture of a kind of concrete extension joint |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410076640.0A Division CN103821180B (en) | 2014-03-02 | 2014-03-02 | The two water-stopping structure of a kind of concrete extension joint |
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| CN104727349A true CN104727349A (en) | 2015-06-24 |
| CN104727349B CN104727349B (en) | 2016-12-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011412A (en) * | 2010-12-31 | 2011-04-13 | 中国水电顾问集团中南勘测设计研究院 | Concrete anti-seepage wall joint |
| CN203066122U (en) * | 2013-01-11 | 2013-07-17 | 李�杰 | Waterproof structure for joint between concrete floor and underground diaphragm wall |
| CN103228845A (en) * | 2010-12-17 | 2013-07-31 | Sika技术股份公司 | Formwork element |
| JP5395469B2 (en) * | 2009-03-11 | 2014-01-22 | 大成建設株式会社 | Construction method of water stop structure and water stop structure |
-
2014
- 2014-03-02 CN CN201510158789.8A patent/CN104727349B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5395469B2 (en) * | 2009-03-11 | 2014-01-22 | 大成建設株式会社 | Construction method of water stop structure and water stop structure |
| CN103228845A (en) * | 2010-12-17 | 2013-07-31 | Sika技术股份公司 | Formwork element |
| CN102011412A (en) * | 2010-12-31 | 2011-04-13 | 中国水电顾问集团中南勘测设计研究院 | Concrete anti-seepage wall joint |
| CN203066122U (en) * | 2013-01-11 | 2013-07-17 | 李�杰 | Waterproof structure for joint between concrete floor and underground diaphragm wall |
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| CN104727349B (en) | 2016-12-07 |
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Effective date of registration: 20161017 Address after: Yinzhou District Shiqi street in Zhejiang city of Ningbo Province Feng Village 315100 Applicant after: Ningbo City Water Conservancy Engineering Co. Ltd. Yinzhou Fengmao Address before: Sudai Street 215000 Suzhou Road, Xiangcheng District No. 20 Huangqiao, Jiangsu Province Applicant before: Zhang Chaoli |
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Address after: Yinzhou District Shiqi street in Zhejiang city of Ningbo Province Feng Village 315100 Patentee after: Zhejiang Fengmao Sheng Construction Co.,Ltd. Address before: Yinzhou District Shiqi street in Zhejiang city of Ningbo Province Feng Village 315100 Patentee before: NINGBO YINZHOU FENGMAO HYDRAULIC ENGINEERING Co.,Ltd. |
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