CN203808114U - Concrete expansion joint double-waterstop structure - Google Patents
Concrete expansion joint double-waterstop structure Download PDFInfo
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- CN203808114U CN203808114U CN201420096276.XU CN201420096276U CN203808114U CN 203808114 U CN203808114 U CN 203808114U CN 201420096276 U CN201420096276 U CN 201420096276U CN 203808114 U CN203808114 U CN 203808114U
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Abstract
The utility model relates to an underground (underwater) building waterproof device and in particular to a concrete expansion joint double-waterstop structure. The concrete expansion joint double-waterstop structure comprises deformation sheets and steel channels; the concrete expansion joint double-waterstop structure is characterized in that two deformation sheets are arranged on a concrete section and arranged longitudinally at an interval of a predetermined distance, one halves of the two deformation sheets are embedded in the first-stage concrete, while the other halves of the two deformation sheets project out of the concrete section and arranged in the corresponding steel channels, respectively; asphalt is poured in the steel channels; asphaltic felts are arranged on the open faces of the steel channels and the first-stage concrete section, exposed fixing parts are removed after the asphalt is cooled, and then second-stage concrete is placed. The concrete expansion joint double-waterstop structure is capable of solving the water seepage problem of a water conservancy project due to differential settlement or diastrophism of the stratum, and also capable of saving labor and shortening the construction period.
Description
Technical field
The utility model relates to a kind of underground (under water) buildings waterproof device, particularly the two water-stopping structures of a kind of concrete extension joint.
Background technology
In existing concrete structure, checkdam for example, reservoir, subway, culvert, sluice, in the underground constructions such as tunnel, due to can not continuous placing or due to the distortion of foundation settlement (earthquake), or the reason such as expand with heat and contract with cold of the concrete component causing due to the variation of temperature, when building, to reserve shrinkage joint, deformation joint, anti-seep measure will be taked in these gaps, prevent that outside water or ground water seepage are in structure space, present common way is, between fist stage concrete and second stage concrete, concrete pit is set, in groove, establish maltha and copper sheet or rubber water-proof sheet, yet, this method needs precast concrete groove in advance, in order to make concrete pit and second stage concrete, can combine closely, need to carry out dabbing processing to peripheral 3 faces of concrete pit, will extend like this duration and increase artificial, simultaneously because the general every segment length of concrete pit (highly) only has 50-100cm, flexible gap will be connected and composed by a plurality of concrete pits, therefore can produce many transverse slots, and the irregular deformation of a plurality of concrete pits, can cause the race of postorder perfusion maltha to emit phenomenon, and be difficult to cleaning.
Utility model content
In order to address the above problem, the utility model provides a kind of concrete extension joint two water-stopping structures, the utility model 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 utility model can be saved manually, machinery, mould material.
For achieving the above object, the utility model provides following technical scheme:
The two water-stopping structures 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 distortion sheets, two described distortion sheets longitudinally arrange 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 at respectively in corresponding channel-section steel, in described channel-section steel, is provided with pitch; 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 90 ° of concrete Edge Bends, bending height 2-5cm, 2 distortion sheets are separately positioned on concrete two back gauge avris 10-20cm.
Further, described channel-section steel is U-shaped section bar, 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 longitudinally arranges, and its opening is arranged in the middle of U-lag steel to concrete and by protruding distortion sheet at concrete cross section.
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 upwards hook of 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 respectively on hook; Described band iron is rectangle, its two ends and centre are provided with the slotted hole corresponding with draw rod positions, 3 described pull bars pass respectively the slotted hole of band iron, clamp nut is fixed on 2 U-lag steel on fist stage concrete section simultaneously, according to channel-section steel length, array fixture is set, two groups of fixture interval 1-2m.
Further, described asphaltic felt is bituminous felt, and asphaltic felt totally 3 accumulative totals width and concrete cross sections is wide, is separately positioned on 2 both sides and centres that are out of shape sheets, and thickness 5-10mm, highly equals concrete cross section height.
The manufacture method that the invention also discloses the two water-stopping structures of a kind of concrete extension joint, its feature comprises following technology and step:
1) distortion sheet is made: choose copper plate or the corrosion resistant plate of thickness 1-3mm, cut into rectangle, and width 30-60cm, length equates with supporting concrete cross section height, 90 ° of side elongatedness direction bendings, bending is 2-4cm highly, standby;
2) channel-section steel is made: channel-section steel is selected U-shaped section bar or with rectangular steel plates bending, made the channel-section steel of the opening that takes the shape of the letter U, thickness 1-3mm, and 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, standby;
3) asphaltic felt is made: asphaltic felt is bituminous felt, adopt one deck pitched paper one deck pitch successively to thicken laying, gross thickness 5-10mm, asphaltic felt is 3, wherein 2 is the width of concrete cross section both sides to adjacent distortion sheet, and another sheet equals 2 width in the middle of distortion sheet, thickness 5-10mm, highly equal concrete cross section height, standby;
4) fixture is made: fixture comprises embedded fixing component, pull bar and band iron, described embedded fixing component is bent into L shaped with the reinforcing bar of diameter 8-10mm, length 30-50cm, 90 ° of formation reinforcing ribs of the parallel bending in one end, reinforcing rib length 8-15cm, make progress 90 ° of bendings of the other end form 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, internal radius 10-12mm, height 10-20mm, the other end be provided with screw thread and with the nut of 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 the middle slotted hole corresponding with draw rod positions, slotted hole width 10-15mm, the length 20-50mm of arranging, 3 described L shaped embedded fixing components and 3 pull bars and 1 band iron form one group of fixture, standby.
The construction method that the invention also discloses the two water-stopping structures of a kind of concrete extension joint, its feature comprises following technology and step:
1) fist stage concrete is built: at fist stage concrete section part, 2 distortion sheets are set, 2 distortion sheets are separately positioned on concrete cross section both sides, each is apart from avris 10-20cm, 2 distortion sheets longitudinally arrange, be all have knuckle one side half be embedded in fist stage concrete, second half protrudes from outside concrete cross section, 3 L shaped 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 respectively apart from side 5-10cm, the hook of L shaped embedded fixing component protrudes concrete cross section, according to concrete cross section height, fixture array is set, distance 1-2m between two groups of fixtures, concreting, distortion preventing sheet and fixture displacement,
2) fist stage concrete solidifies 7 days above (temperature is more than 20 ℃), at 2 distortion sheet both sides of concrete cross section and the middle bituminous felt of making that arranges respectively;
3) channel-section steel is set again: at concrete cross section, 2 channel-section steels are longitudinally set outward, 2 channel-section steels are arranged on 2 distortion sheets that protrude in channel-section steel opening respectively, on the hook of 2 channel-section steels centres and both sides, overlap respectively the annulus of upper connecting rod, band iron is set on pull bar, and fastening nut is fixed on 2 channel-section steels on concrete cross section;
4) in 2 channel-section steels, fill with No. 30 building asphalts of melting, cooling, according to the temperature of job site, differ different cool times, general summer 10-24 hour, winter 1-10 hour;
5) pitch is unscrewed nut after cooling, takes off pull bar and band iron, and pull bar and band iron collection recycle;
6) build second stage concrete;
7) next reserved seam repeats above-mentioned 1-6 step.
The beneficial effects of the utility model
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 precast concrete groove, can reduce the expenses such as required artificial, the machinery of precast concrete groove, template;
3. save the installation procedure of concrete pit, reduce the duration;
4. solved by the liquid asphalt that precast concrete groove construction the causes easy seepage of constructing, the problem that is difficult to cleaning;
5. adopt channel-section steel to save dabbing operation than concrete prefabricated groove, every meter of concrete cross section is saved 1 manually;
6. the seepage that the reason such as 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 variation of temperature causes;
7. can prevent the section interface changing of the relative positions causing because of natural calamities such as earthquakes, the seepage that distortion causes.
Accompanying drawing explanation
Fig. 1 is the rear plan structure schematic diagram of tunnel wall construction of the two water-stopping structures of a kind of concrete extension joint of the utility model;
Fig. 2 is the plan structure schematic diagrames of the two water-stopping structures of concrete extension joint of the present utility model when pouring maltha;
Fig. 3 is the perspective structure schematic diagram of Fig. 2;
Fig. 4 is the fixedly perspective view of channel-section steel of 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 the stereochemical structure of fixture, wherein pull bar annulus of a side 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 water-stopping structure construction of traditional shrinkage joint.
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, 12-hook, 13-slotted hole, 14-concrete pit.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment, with reference to accompanying drawing: the two water-stopping structures of a kind of concrete extension joint, comprise distortion sheet 1, channel-section steel 2, concrete cross section is provided with two distortion sheets 1, two described distortion sheets 1 longitudinally arrange 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 at respectively in corresponding channel-section steel 2, in described channel-section steel 2, is provided with pitch 6; Described channel-section steel 2 opening surfaces and fist stage concrete 4 sections 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 90 ° of concrete Edge Bends, bending height 2-5cm, 2 distortion sheets 1 are separately positioned on concrete two back gauge avris 10-20cm.
Further, described channel-section steel 2 is U-shaped section bar, 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 longitudinally arranges, and its opening is arranged on U-lag steel 2 centres to concrete and by the distortion sheet 1 protruding at concrete cross section.
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 are provided with reinforcing rib 11, the other end is provided with the upwards hook 12 of 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 respectively on hook 12; Described band iron 7 is rectangle, its two ends and centre are provided with the slotted hole 13 corresponding with pull bar 8 positions, 3 described pull bars 8 pass respectively the slotted hole 13 of band iron 7, clamp nut is fixed on 2 U-lag steel 2 on fist stage concrete 4 sections simultaneously, according to channel-section steel 2 length, array fixture is set, two groups of fixture interval 1-2m.
Further, described asphaltic felt 3 is bituminous felt 3, and asphaltic felt 3 totally 3 accumulative totals width and concrete cross sections is wide, is separately positioned on 2 both sides and centres that are out of shape sheets 1, and thickness 5-10mm, highly equals concrete cross section height.
The present embodiment also discloses the manufacture method of the two water-stopping structures of a kind of concrete extension joint, comprises following technology and step:
2) distortion sheet 1 is made: choose copper plate or the corrosion resistant plate of thickness 1-3mm, cut into rectangle, and width 30-60cm, length equates with supporting concrete cross section height, 90 ° of side elongatedness direction bendings, bending is 2-4cm highly, standby;
2) channel-section steel 2 is made: channel-section steel 2 is selected U-shaped section bar or with rectangular steel plates bending, made the channel-section steel 2 of the opening that takes the shape of the letter U, thickness 1-3mm, U-shaped A/F 5-10cm, 1/2 of U-shaped opening degree of depth 10-30cm or distortion sheet 1 width, length is with concrete cross section height, standby;
3) asphaltic felt 3 is made: asphaltic felt 3 is bituminous felt, adopt one deck pitched paper one deck pitch successively to thicken laying, gross thickness 5-10mm, asphaltic felt 3 is 3, wherein 2 is the width of concrete cross section both sides to adjacent distortion sheet 1, and another sheet equals 2 width in the middle of distortion sheet 1, thickness 5-10mm, highly equal concrete cross section height, standby;
4) fixture is made: fixture comprises embedded fixing component 9, pull bar 8 and band iron 7, described embedded fixing component 9 is bent into L shaped with the reinforcing bar of diameter 8-10mm, length 30-50cm, 90 ° of formation reinforcing ribs 11 of the parallel bending in one end, reinforcing rib 11 length 8-15cm, make progress 90 ° of bendings of the other end form 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, annulus 12 internal diameter 10-12mm, height 10-20mm, the other end be provided with screw thread and with the nut of 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 the middle slotted hole 13 corresponding with pull bar 8 positions, slotted hole 13 width 10-15mm, the length 20-50mm of arranging, 3 described L shaped embedded fixing components 9 and 3 pull bars 8 and 1 band iron 7 form one group of fixture, standby.
The present embodiment also discloses the construction method of the two water-stopping structures of a kind of concrete extension joint, comprises following technology and step:
1) fist stage concrete 4 is built: at fist stage concrete 4 section parts, 2 distortion sheets 1 are set, 2 distortion sheets 1 are separately positioned on concrete cross section both sides, each is apart from avris 10-20cm, 2 distortion sheets 1 longitudinally arrange, be all have knuckle one side half be embedded in fist stage concrete 4, second half protrudes from outside concrete cross section, 3 L shaped 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 respectively apart from side 5-10cm, the hook 10 of L shaped embedded fixing component 9 protrudes concrete cross section, according to concrete cross section height, fixture array is set, distance 1-2m between two groups of fixtures, concreting, distortion preventing sheet 1 and fixture displacement,
2) fist stage concrete 4 solidifies 7 days above (temperature is more than 20 ℃), at 2 distortion sheet 1 both sides of concrete cross section and the middle bituminous felt 3 of making that arranges respectively;
3) channel-section steel 2 is set again: at concrete cross section, 2 channel-section steels 2 are longitudinally set outward, 2 channel-section steels 2 are arranged on 2 distortion sheets 1 that protrude in channel-section steel 2 openings respectively, on the hook 10 of 2 channel-section steels, 2 centres and both sides, overlap respectively the annulus 12 of upper connecting rod 8, band iron 7 is set on pull bar 8, and fastening nut is fixed on 2 channel-section steels 2 on concrete cross section;
4) in 2 channel-section steels 2, fill with No. 30 building asphalts 6 of melting, cooling, according to the temperature of job site, differ different cool times, general summer 10-24 hour, winter 1-10 hour;
5) pitch 6 is unscrewed nut after cooling, takes off pull bar 8 and band iron 7, and pull bar 8 and band iron 7 collections recycle;
6) build second stage concrete 5;
7) next reserved seam repeats above-mentioned 1-6 step.
The utility model does not need precast concrete groove 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 be saved 1 artificial expense; Adopt two water-stopping structure designs, the double guarantee of single water-stopping structure especially, can be used as the construction that the box dam retaining walls such as checkdam, reservoir are constructed, also be can be used for the sidewall of the underground constructions such as subway, culvert, sluice, tunnel simultaneously, and shrinkage joint is neatly non-leakage; The seepage that the reason such as expand with heat and contract with cold of the concrete component that adopts this technology can meet multiple ground condition/stratum differential settlement or cause due to the variation of temperature causes; Can prevent the section interface changing of the relative positions causing because of natural calamities such as earthquakes, the seepage that distortion causes.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (5)
1. two water-stopping structures of a concrete extension joint, comprise distortion sheet, channel-section steel, it is characterized in that: concrete cross section is provided with two distortion sheets, two described distortion sheets longitudinally arrange 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 at respectively in corresponding channel-section steel, in described channel-section steel, is provided with pitch; Described channel-section steel opening surface and fist stage concrete section are provided with asphaltic felt.
2. two water-stopping structures 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 90 ° of concrete Edge Bends, bending height 2-5cm, 2 distortion sheets are separately positioned on concrete two back gauge avris 10-20cm.
3. two water-stopping structures of concrete extension joint according to claim 1, it is characterized in that: described channel-section steel is U-shaped section bar, 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 longitudinally arranges, and its opening is arranged in the middle of U-lag steel to concrete and by protruding distortion sheet at concrete cross section.
4. two water-stopping structures 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 upwards hook of 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 respectively on hook; Described band iron is rectangle, its two ends and centre are provided with the slotted hole corresponding with draw rod positions, 3 described pull bars pass respectively the slotted hole of band iron, clamp nut is fixed on 2 U-lag steel on fist stage concrete section simultaneously, according to channel-section steel length, array fixture is set, two groups of fixture interval 1-2m.
5. two water-stopping structures of concrete extension joint according to claim 1, it is characterized in that: described asphaltic felt is bituminous felt, asphaltic felt totally 3 accumulative total 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420096276.XU CN203808114U (en) | 2014-03-02 | 2014-03-02 | Concrete expansion joint double-waterstop structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420096276.XU CN203808114U (en) | 2014-03-02 | 2014-03-02 | Concrete expansion joint double-waterstop structure |
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| CN203808114U true CN203808114U (en) | 2014-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821180A (en) * | 2014-03-02 | 2014-05-28 | 张朝利 | Double-water stop structure for concrete expansion joint and manufacturing and construction method for double-water stop structure |
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2014
- 2014-03-02 CN CN201420096276.XU patent/CN203808114U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821180A (en) * | 2014-03-02 | 2014-05-28 | 张朝利 | Double-water stop structure for concrete expansion joint and manufacturing and construction method for double-water stop structure |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150302 |
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| EXPY | Termination of patent right or utility model |