CN103821180B - The two water-stopping structure of a kind of concrete extension joint - Google Patents

The two water-stopping structure of a kind of concrete extension joint Download PDF

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Publication number
CN103821180B
CN103821180B CN201410076640.0A CN201410076640A CN103821180B CN 103821180 B CN103821180 B CN 103821180B CN 201410076640 A CN201410076640 A CN 201410076640A CN 103821180 B CN103821180 B CN 103821180B
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concrete
steel
channel
stopping
distortion
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Expired - Fee Related
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CN201410076640.0A
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CN103821180A (en
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李超
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Shandong Jiaotong University
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Shandong Jiaotong University
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Priority claimed from CN201510158787.9A external-priority patent/CN104727348B/en
Priority to CN201410076640.0A priority Critical patent/CN103821180B/en
Priority claimed from CN201510158835.4A external-priority patent/CN104727350B/en
Priority claimed from CN201510158789.8A external-priority patent/CN104727349B/en
Priority claimed from CN201510158916.4A external-priority patent/CN104727277B/en
Publication of CN103821180A publication Critical patent/CN103821180A/en
Publication of CN103821180B publication Critical patent/CN103821180B/en
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Abstract

The present invention relates to a kind of underground (under water) buildings waterproof device, in particular to 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, be 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, and the fixture exposed is removed in pitch cooling afterwards, then arranges second stage concrete; The present invention can solve the seepage problem that hydraulic engineering causes because of stratum differential settlement or the changing of the relative positions, can also save artificial and reduction of erection time.

Description

The two water-stopping structure of a kind of concrete extension joint
Technical field
The present invention relates to a kind of underground (under water) buildings waterproof device, particularly the two water-stopping structure 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 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 channel-section steel is provided with fixture, described fixture comprises embedded fixing component, pull bar and band iron, 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, its two ends and centre are provided with the elongated hole corresponding with draw rod positions, 3 described pull bars are each passed through the elongated hole of band iron, 2 U-lag steel are fixed on fist stage concrete section by clamp nut simultaneously, array fixture is set according to channel-section steel length, two groups of fixture interval 1-2m.
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.
The invention also discloses the manufacture method of the two water-stopping structure of a kind of concrete extension joint, 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, 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 of a kind of concrete extension joint of the present invention;
Fig. 2 is the plan structure schematic diagrames of the two water-stopping structures of 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 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 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 channel-section steel 2 is provided with fixture, described 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, its two ends and centre are provided with the elongated hole 13 corresponding with pull bar 8 position, 3 described pull bars 8 are each passed through the elongated hole 13 of band iron 7,2 U-lag steel 2 are fixed on fist stage concrete 4 section by clamp nut simultaneously, array fixture is set according to channel-section steel 2 length, two groups of fixture interval 1-2m.
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 present embodiment also discloses the manufacture method of the two water-stopping structure of a kind of concrete extension joint, 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 12, hook 12 height 3-5cm; Described pull bar 8 is the reinforcement fabrication of diameter 8-10mm, length 20-40cm, at its one end welding annulus 10, and 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, 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, 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 12 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 12 of both sides overlaps respectively the annulus 10 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.
The present invention does 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 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, be embedded in a concrete Edge Bend 90 °, 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, asphaltic felt thickness 5-10mm.
2. the two water-stopping structure of concrete extension joint according to claim 1, it is characterized in that: the described rectangular plate body of distortion sheet, width 30-60cm, length is with concrete cross section height, pour into a concrete Edge Bend 90 °, bending height 2-5cm, 2 distortion sheets are separately positioned on concrete two back gauge avris 10-20cm.
3. the two water-stopping structure of concrete extension joint according to claim 1, it is characterized in that: described channel-section steel is U-section, thickness is 1-3mm, U-shaped A/F is 5-10cm, the U-shaped opening degree of depth is 1/2 of 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.
4. the two water-stopping structure of concrete extension joint according to claim 1, it is characterized in that: described channel-section steel is provided with fixture, described fixture comprises embedded fixing component, pull bar and band iron, 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, its two ends and centre are provided with the elongated hole corresponding with draw rod positions, 3 described pull bars are each passed through the elongated hole of band iron, 2 U-lag steel are fixed on fist stage concrete section by clamp nut simultaneously, array fixture is set according to channel-section steel length, two groups of fixture interval 1-2m.
5. the two water-stopping structure of concrete extension joint according to claim 1, it is characterized in that: described asphaltic felt is bituminous felt, asphaltic felt totally 3 accumulative width and concrete cross section wide, be separately positioned on both sides and the centre of 2 distortion sheets, thickness 5-10mm, highly equals concrete cross section height.
CN201410076640.0A 2014-03-02 2014-03-02 The two water-stopping structure of a kind of concrete extension joint Expired - Fee Related CN103821180B (en)

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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

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201510158835.4A CN104727350B (en) 2014-03-02 2014-03-02 Manufacturing method of concrete expansion joint double-sealing-up structure
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
CN201510158787.9A CN104727348B (en) 2014-03-02 2014-03-02 A kind of construction method of the double water sealing structure of concrete extension joint
CN201510158916.4A CN104727277B (en) 2014-03-02 2014-03-02 A kind of manufacture method of the double water sealing structure fixture of concrete extension joint

Related Child Applications (5)

Application Number Title Priority Date Filing Date
CN201510158788.3A Division CN104727276B (en) 2014-03-02 2014-03-02 The manufacture method of the double; two water sealing structure of concrete extension joint
CN201510158916.4A Division CN104727277B (en) 2014-03-02 2014-03-02 A kind of manufacture method of the double water sealing structure fixture of concrete extension joint
CN201510158835.4A Division CN104727350B (en) 2014-03-02 2014-03-02 Manufacturing method of concrete expansion joint double-sealing-up structure
CN201510158789.8A Division CN104727349B (en) 2014-03-02 2014-03-02 The double water sealing structure fixture of a kind of concrete extension joint
CN201510158787.9A Division CN104727348B (en) 2014-03-02 2014-03-02 A kind of construction method of the double water sealing structure of concrete extension joint

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CN103821180B true CN103821180B (en) 2015-07-29

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CN104328804B (en) * 2014-11-10 2016-03-23 苏州多固工程设计有限公司 Brace type deformed concrete crack sealing swaging die
CN105484202B (en) * 2014-11-10 2017-04-12 德州黄河建业工程有限责任公司 Manufacturing method for detachable type water-stop cavity die of concrete deformation joint
CN106759518B (en) * 2014-11-10 2019-01-15 浙江永和建材有限公司 Concrete works deformation joint sealing swaging die with protrusion and reinforcing fiber
CN104314048B (en) * 2014-11-10 2017-02-15 曹艳民 Manufacturing and construction method of air bag type concrete engineering deformation joint water stop type cavity die
CN105569091B (en) * 2014-11-10 2018-03-27 杭州坚塔银元混凝土有限公司 The manufacture method of collapsible deformed concrete crack sealing swaging die
CN105951890B (en) * 2014-11-10 2018-03-13 李纳新 A kind of application method of concrete works swaging die air bag
CN106088590B (en) * 2014-11-10 2017-12-26 盛闯 The vertical sealing swaging die of concrete works movement joint with reinforcing fiber
CN111236153B (en) * 2020-01-19 2021-03-30 福建江隆水利水电工程有限公司 Hydraulic engineering vertical water stop structure and construction method thereof

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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
EP2466013A1 (en) * 2010-12-17 2012-06-20 Sika Technology AG Formwork
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
CN203808114U (en) * 2014-03-02 2014-09-03 高阳 Concrete expansion joint double-waterstop structure

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