CN204551382U - Sticky pressure type aqueduct water-stopping structure - Google Patents

Sticky pressure type aqueduct water-stopping structure Download PDF

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Publication number
CN204551382U
CN204551382U CN201520232568.6U CN201520232568U CN204551382U CN 204551382 U CN204551382 U CN 204551382U CN 201520232568 U CN201520232568 U CN 201520232568U CN 204551382 U CN204551382 U CN 204551382U
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water
stopping structure
bolt
fastening band
pedestal
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Inventor
吴德绪
廖仁强
张传健
吕国梁
潘江
郑光俊
颜天佑
柳雅敏
游万敏
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Changjiang Institute of Survey Planning Design and Research Co Ltd
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Changjiang Institute of Survey Planning Design and Research Co Ltd
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Abstract

The utility model relates to the water conservancy project building field in civil engineering, and it is a kind of sticky pressure type aqueduct water-stopping structure in particular.Sticky pressure type aqueduct water-stopping structure, comprise rubber fastening band 1, described rubber fastening band 1 there is U-shaped structure 9, the top acrylamide sand grout block 7 of the upstream face 10 of described rubber fastening band 1 seals, in the both sides of described U-shaped structure 9, upstream face 10 there is channel-section steel pressing plate 3, back side 11 has pedestal 2, fixed by bolt 4, and bolt 4 does not penetrate pedestal 2.The utility model weakens conventional adhesive formula or presser type water-stopping structure to the high request of concrete surface; Solve the uppity problem of traditional water-stopping structure bolt embedment precision, and fastening force is secure; Facilitate later period maintenance and replacing.

Description

Sticky pressure type aqueduct water-stopping structure
Technical field
The utility model relates to the water conservancy project building field in civil engineering, and it is a kind of sticky pressure type aqueduct water-stopping structure in particular.
Background technology
Aqueduct is the common a kind of conveyance structure of hydraulic engineering circle, and its water-stopping structure is important detail structure, and difficulty of design and construction is large, and inefficacy ratio is high, and water-stopping structure decides the success or failure of aqueduct project.Buried during current domestic large-sized aqueduct engineering water-stopping structure mainly contains, bonded type and presser type, but there is following problem:
In buried water-stopping structure, directly rubber fastening band is cast in concrete, concrete below the waterstop of this kind of form is difficult to vibration compacting, the concrete binding site of waterstop and bottom is caused easily to produce defect, affect stagnant water effect, simultaneously once waterstop damages just cannot repair replacing, and be only limitted to cast in place process construction.
Bonded type water-stopping structure, directly utilizes epoxy mortar to be bonded on structural concrete by waterstop, and stagnant water effect depends on the effect of bonding and the quality of concrete surface.Because water-stopping structure is positioned at aqueduct expansion joints position, seam is seam of living.Under temperature action, water-stopping structure can be subject to back and forth stretching or compression, and effect not easily ensures, and it is high to there is basal plane processing requirements, is difficult to the problem met design requirement.
Presser type water-stopping structure, adopt pre-embedded bolt and keeper plate of steel to fix waterstop, stagnant water effect is by the planeness of fastening basal plane and the restriction of fastening force, and the precision of pre-embedded bolt is also wayward, and stagnant water effect is also undesirable.
Retrieve the Chinese utility model patent that publication number is 202482827U, described replaceable aqueduct deformation joint water-stopping structure, comprise the rubber fastening band main body being longitudinally provided with U-shaped structure, be respectively provided with row's stone bolt sealing retention mechanism in the both sides of the U-shaped structure of rubber fastening band main body.This kind of water-stopping structure bolt needs pre-buried, and positioning precision is wayward, and by the planeness of fastening basal plane and the restriction of fastening force, waterstop is changed in inconvenience; This water-stopping structure is often pressed leakiness by convex-concave compressing structure between top board and lower platen extruding closed-cell foam plate and waterstop or is fitted after having pressed bad, easily directly causes infiltration.
Summary of the invention
The purpose of this utility model is to provide a kind of sticky pressure type aqueduct water-stopping structure, changes the sealing principle of traditional water-stopping structure, provides a kind of waterstop and contact water-stopping structure closely bottom water stopping trough, ensure stagnant water effect, reduce rate of conveyance loss.The utility model weakens conventional adhesive formula or presser type water-stopping structure to the high request of concrete surface; Solve the uppity problem of traditional water-stopping structure bolt embedment precision, and fastening force is secure; Facilitate later period maintenance and replacing.
The purpose of this utility model is reached by following measure: sticky pressure type aqueduct water-stopping structure, comprise rubber fastening band, rubber fastening band there is U-shaped structure, the top of the upstream face of rubber fastening band seals with acrylamide sand grout block, the upstream face of the both sides of described U-shaped structure there is channel-section steel pressing plate, the back side of the both sides of described U-shaped structure there is pedestal, be bolted in pedestal, bolt does not penetrate base bottom, prevent the concrete mortar at the bottom of water stopping trough from infiltrating blocking bolt hole, be convenient to later stage replacing rubber fastening band and bolt.
In technique scheme, described back side there is epoxy adhesive layer.
In technique scheme, in described U-shaped structure, there is Bituminous hemp fiber, above U-shaped structure, in the middle of acrylamide sand grout block, have polysulfide sealant.
In technique scheme, described rubber fastening band is natural rubber waterstop, and described pedestal is stainless steel pedestal, and described bolt is stainless steel bolt, and described channel-section steel pressing plate is galvanizing bath keeper plate of steel.
The utility model is compared to prior art, and the dilatation of better commensurate structure parting, ensure that the normal work of analysis on aqueduct structure and waterstop; Make the stagnant water effect at aqueduct expansion joints place better, thus reduce water conveyance loss; Due to the close contact of rubber fastening band and pedestal, weaken the high request to concrete surface, not by the planeness of concrete surface and the restriction of fastening force, change the feature that existing water-stopping structure is high to construction technical requirement; Without the need to pre-embedded bolt, construction quality is controlled, convenient in later period maintenance and replacing.
Accompanying drawing explanation
Fig. 1 is structural representation and the using state figure of the utility model better embodiment.
Fig. 2 is the structural representation of the utility model better embodiment.
Fig. 3 is the cross-sectional figure of rubber fastening band of the present utility model.
Fig. 4 is the cross-sectional figure of channel-section steel pressing plate of the present utility model.
Fig. 5 is the cross-sectional figure of pedestal of the present utility model.
In figure: 1, rubber fastening band, 2, pedestal, 3, channel-section steel pressing plate, 4, bolt, 5, Bituminous hemp fiber, 6, polysulfide sealant, 7, acrylamide sand grout block, 8, epoxy adhesive layer, 9, U-shaped structure, 10, upstream face, 11, back side, 12, bottom water stopping trough.
Detailed description of the invention
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but it is not formed to restriction of the present utility model, only illustrates.Simultaneously by illustrating, advantage of the present utility model will become clearly and easy understand.
As Fig. 1 to Fig. 5, sticky pressure type aqueduct water-stopping structure, comprises rubber fastening band 1, for natural rubber waterstop, described rubber fastening band 1 has U-shaped structure 9, and the top acrylamide sand grout block 7 of the upstream face 10 of rubber fastening band 1 seals, and the upstream face 10 of the both sides of U-shaped structure 9 has channel-section steel pressing plate 3, for galvanizing bath keeper plate of steel, the back side 11 of the both sides of U-shaped structure 9 has pedestal 2, and the end face of pedestal 2 is 12 concordant with bottom water stopping trough, in strip, for stainless steel pedestal, fixed by bolt 4.Bolt 4 is stainless steel bolt, and bolt 4 does not penetrate the bottom of pedestal 2, prevents the concrete mortar of bottom water stopping trough 12 from infiltrating blocking bolt hole, is convenient to later stage replacing rubber fastening band and bolt.
The back side 11 of rubber fastening band 1 there is epoxy adhesive layer 8.Further enhance stagnant water effect.
In U-shaped structure 9, have Bituminous hemp fiber 5, above U-shaped structure 9, there is polysulfide sealant 6 centre of acrylamide sand grout block 7.Bituminous hemp fiber 5 is mixtures of pitch and flax silk, is filled in and thinks in U-shaped structure 9 together with polysulfide sealant 6, plays the effect of sealing, anticorrosion and filleting.
The utility model glues the construction method of pressure type aqueduct water-stopping structure, comprises the steps:
1., according to scale and the span design water stopping trough of aqueduct, by structure reinforcing bars positioning pedestal 2 when the colligation of aqueduct reinforcing cage makes, the end face of pedestal 2 is 12 concordant with bottom water stopping trough, pedestal 2 arranges bolt hole at a certain distance, bolt hole does not penetrate the bottom of pedestal 2, and on the back side 11 of rubber fastening band 1, epoxy glue is smeared in segmentation;
2., according to step 1. often complete one section and namely rubber fastening band is pasted to the section smeared, and by bolt 4 by fastening to channel-section steel pressing plate 3, rubber fastening band 1, pedestal 2.Bolt hole on channel-section steel pressing plate 3 and rubber fastening band 1 is according to the bolt hole field fabrication of pedestal 2;
3., circulation step is 1. with 2. until whole rubber fastening band 1 installation;
4., the part of cleaning water-stopping structure installation, with acrylamide sand grout block 7 cap seal on upstream face 10;
5., to U-shaped structure 9 position filled bitumen flax silk 5, above U-shaped structure 9, the central filler polysulfide sealant 6 of acrylamide sand grout block 7.
The utility model changes the sealing principle of traditional water-stopping structure, and the mode adopting sticky pressure to combine, strengthens stagnant water effect, solve the uppity problem of traditional water-stopping structure bolt embedment precision.The utility model precision is high, and fastening force has secure, and convenient in later period maintenance and replacing.
Through on probation, all technical of the present invention all reaches the regulation requirement of standard GB/T 18173.2-2000 and industry standard DL/T5215-2005.Stagnant water effect and reliability thereof very well, promote the use in key state project.
Other unspecified part is prior art.

Claims (4)

1. sticky pressure type aqueduct water-stopping structure, comprise rubber fastening band (1), described rubber fastening band (1) there is U-shaped structure (9), top acrylamide sand grout block (7) sealing of the upstream face (10) of described rubber fastening band (1), it is characterized in that: on the upstream face (10) of described U-shaped structure (9) both sides, have channel-section steel pressing plate (3), the back side (11) of described U-shaped structure (9) both sides there is pedestal (2), by bolt (4) fixed pedestal (2).
2. sticky pressure type aqueduct water-stopping structure according to claim 1, is characterized in that: described back side (10) has epoxy adhesive layer (8).
3. sticky pressure type aqueduct water-stopping structure according to claim 1 and 2, is characterized in that: have Bituminous hemp fiber (5) in described U-shaped structure (9), has polysulfide sealant (6) in the middle of acrylamide sand grout block (7).
4. sticky pressure type aqueduct water-stopping structure according to claim 1 and 2, it is characterized in that: described rubber fastening band (1) is natural rubber waterstop, described pedestal (2) is stainless steel pedestal, described bolt (4) is stainless steel bolt, and described channel-section steel pressing plate (3) is galvanizing bath keeper plate of steel.
CN201520232568.6U 2015-04-16 2015-04-16 Sticky pressure type aqueduct water-stopping structure Active CN204551382U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104846785A (en) * 2015-05-28 2015-08-19 葛洲坝集团第一工程有限公司 Large-section sealing device and mounting method
CN105780733A (en) * 2016-03-23 2016-07-20 河南省水利勘测设计研究有限公司 Waterstop method of seam between adjacent spans of aqueduct
CN105951680A (en) * 2016-06-17 2016-09-21 中水北方勘测设计研究有限责任公司 Replaceable surface layer combined sealing structure for concrete structural joint
CN106836462A (en) * 2017-01-26 2017-06-13 中国华冶科工集团有限公司 Basement extends out the processing method and waterproof construction of structure construction seam
CN109137845A (en) * 2018-06-08 2019-01-04 中国电建集团贵阳勘测设计研究院有限公司 Small-hole integrally-cast plane fixed wheel maintenance gate
CN110273357A (en) * 2019-07-02 2019-09-24 湖北省水利水电规划勘测设计院 A kind of water delivery aqueduct sealing leakage preventing structure and its construction method
CN112695905A (en) * 2020-12-24 2021-04-23 长江勘测规划设计研究有限责任公司 Replaceable rail pressing type water stop structure and construction method thereof
CN116163344A (en) * 2023-02-22 2023-05-26 山东大学 Water pressure self-sealing deformation self-adaptive underground structure joint waterproof system and method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104846785A (en) * 2015-05-28 2015-08-19 葛洲坝集团第一工程有限公司 Large-section sealing device and mounting method
CN105780733A (en) * 2016-03-23 2016-07-20 河南省水利勘测设计研究有限公司 Waterstop method of seam between adjacent spans of aqueduct
CN105780733B (en) * 2016-03-23 2017-12-01 河南省水利勘测设计研究有限公司 The water-stopping method of the adjacent seam crossing between of aqueduct
CN105951680A (en) * 2016-06-17 2016-09-21 中水北方勘测设计研究有限责任公司 Replaceable surface layer combined sealing structure for concrete structural joint
CN106836462A (en) * 2017-01-26 2017-06-13 中国华冶科工集团有限公司 Basement extends out the processing method and waterproof construction of structure construction seam
CN106836462B (en) * 2017-01-26 2019-06-21 中国华冶科工集团有限公司 Basement extends out the processing method and waterproof construction of structure construction seam
CN109137845A (en) * 2018-06-08 2019-01-04 中国电建集团贵阳勘测设计研究院有限公司 Small-hole integrally-cast plane fixed wheel maintenance gate
CN109137845B (en) * 2018-06-08 2024-04-23 中国电建集团贵阳勘测设计研究院有限公司 Small-hole integral casting type plane fixed wheel overhaul gate
CN110273357A (en) * 2019-07-02 2019-09-24 湖北省水利水电规划勘测设计院 A kind of water delivery aqueduct sealing leakage preventing structure and its construction method
CN112695905A (en) * 2020-12-24 2021-04-23 长江勘测规划设计研究有限责任公司 Replaceable rail pressing type water stop structure and construction method thereof
CN116163344A (en) * 2023-02-22 2023-05-26 山东大学 Water pressure self-sealing deformation self-adaptive underground structure joint waterproof system and method

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