CN109680607A - A kind of loessial gulch area bridge drainpipe construction and construction method - Google Patents

A kind of loessial gulch area bridge drainpipe construction and construction method Download PDF

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Publication number
CN109680607A
CN109680607A CN201910031723.0A CN201910031723A CN109680607A CN 109680607 A CN109680607 A CN 109680607A CN 201910031723 A CN201910031723 A CN 201910031723A CN 109680607 A CN109680607 A CN 109680607A
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CN
China
Prior art keywords
bridge
interface
construction
area
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910031723.0A
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Chinese (zh)
Inventor
毛敏
韩之江
汪永强
申雁鹏
陈栋栋
赵文溥
赵雷
王琪
汪贤安
傅莉
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Shanxi Academy Of Communications Science Co Ltd
Original Assignee
Shanxi Academy Of Communications Science Co Ltd
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Filing date
Publication date
Application filed by Shanxi Academy Of Communications Science Co Ltd filed Critical Shanxi Academy Of Communications Science Co Ltd
Priority to CN201910031723.0A priority Critical patent/CN109680607A/en
Publication of CN109680607A publication Critical patent/CN109680607A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/08Damp-proof or other insulating layers; Drainage arrangements or devices Bridge deck surfacings
    • E01D19/086Drainage arrangements or devices
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/12Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125Grating or flooring for bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The invention discloses a kind of loessial gulch area bridge drainpipe construction and construction methods.Bridge drainpipe construction in loessial gulch area includes that interface section, straight pipe, connector, spraying head type taper dissipate row's component, and the interface section is installed on bridge water discharge pipe position;The straight pipe is the tubular structure positioned at interface pars infrasegmentalis, and straight pipe lower end is located at beam bottom plane or less;The spraying head type taper dissipates row's component and is located at interface straight tube pars infrasegmentalis, is connected by connector;The connector is double limb stick-type members;The cone surface that the spraying head type taper dissipates row's component is evenly distributed with tiny circular hole.The strong impact force to make a sheer drop is dispersed into tiny droplet, remainder by cone surface circular hole at stock water flow a part and along cone edge surrounding is shattered into tiny droplet to let out water flow impact pressure under weakening by the present invention; the advantage for protecting bridge foundation stable; the operation security for improving bridge reduces the maintenance cost of bridge foundation.

Description

A kind of loessial gulch area bridge drainpipe construction and construction method
Technical field
The invention belongs to technical field of bridge engineering, in particular to a kind of loessial gulch area bridge drainpipe construction and construction Method.
Background technique
China's loess distribution area is extensive, and about 6.6% national territorial area is covered by loess.The universal Climate Dryness in Canal in Loess Area Dry, vegetation sparse, earth's surface is vulnerable to rain drop erosion, ravines and guillies criss-cross.With a large amount of expressway constructions in Canal in Loess Area, by water erosion It influences, the diseases such as exposed, abutment depression of Canal in Loess Area bridge infrastructure take place frequently, reduce the bearing capacity of infrastructure, make At driving security risk.And loessial gulch area lacks the road of through lower part mostly, and maintenance is caused to punish difficult, manpower Material resources expend huge.Therefore, the drawbacks of studying existing deck drainage system, and for defect seek it is a kind of on bridge lower part influence Small drainage system is very necessary.
Currently, loessial gulch area bridge drainpipe construction and construction are all made of such as under type: drainpipe is by interface section and directly Pipeline section composition is overall structure.After the completion of deck paving, discharge opening reserved location is cleaned out, is mounted directly drainpipe i.e. It can.When rainfall, bridge floor rainwater conflux to drainpipe, at stock water flow by drainpipe it is direct under let out earth's surface.Huge water flow punching It hits power and violent scour is caused to the loess earth's surface of vegetation sparse, water and soil is caused to be largely lost, basis is exposed, and is formed as deep as several meters Sinkhole.
Summary of the invention
Exist during bridge operation to solve prior art loessial gulch area bridge drainpipe construction and construction method At stock current scour earth's surface, cause that basis is exposed, foundation bearing capacity reduces, increases the problems such as maintenance cost, the present invention proposes A kind of loessial gulch area bridge drainpipe construction and construction method.
Technical solution is as follows:
A kind of loessial gulch area bridge drainpipe construction, including, interface section, straight pipe, connector, spraying head type taper dissipate row Component, the interface section are installed on bridge water discharge pipe position;The straight pipe is the tubular structure positioned at interface pars infrasegmentalis, and straight Pipeline section lower end is located at beam bottom plane or less;The spraying head type taper dissipates row's component and is located at interface straight tube pars infrasegmentalis, passes through connector Connection;The connector is double limb stick-type members;The cone surface that the spraying head type taper dissipates row's component is evenly distributed with tiny round hole Hole.
Further, the spraying head type taper dissipate row component tap web angle and taper radius will according to bridge floor catchment area, Geological conditions, which calculates, under sluicing hole number, extreme climate precipitation, flow development length, bridge determines.
A kind of loessial gulch area bridge drainpipe construction method, for making above-mentioned loessial gulch area bridge drainpipe Construction, comprising the following steps:
S1, main girder construction, bridge floor reserve drain hole;
S2, bridge deck roughening clear up bridge floor sundries, pour bridge deck water-proof concrete;
S3, bridge surface waterproof layer is performed, pave bridge floor bituminous concrete;
S4, tapping pipe interface section is installed at bridge drain hole, the gap between interface section outer wall and bridge drain hole is used Impervious material filling;
S5, straight pipe, connector, spraying head type taper are dissipated row's component connect with interface section it is integral.
The beneficial effect of bridge drainpipe construction in loessial gulch area of the present invention and construction method is to efficiently solve loess punching Ditch area bridge by tapping pipe at stock water flow it is direct under let out, violent scour earth's surface causes basis exposed and formed deep mixed Sinkhole reduces basic bearing capacity, influences bridge operation security problems, by by the strong impact force to make a sheer drop at stock water Stream a part is dispersed into tiny droplet, remainder by cone surface circular hole and is shattered into tiny droplet along cone edge surrounding To let out water flow impact pressure under weakening, reduces bridge deck drainage and bridge site region earth's surface is washed away, reduce bridge foundation and maintain into This, improves the safety of bridge operation.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of bridge drainpipe construction in loessial gulch area of the present invention;
Fig. 2 is that loessial gulch area bridge drainpipe of the present invention constructs connector, spraying head type taper dissipates row's component plane signal Figure.
Specific embodiment
To make those skilled in the art more fully understand technical solution of the present invention, below with reference to embodiment to the present invention A kind of loessial gulch area bridge drainpipe construction and construction method provided is described in detail.Following embodiment is merely to illustrate The range of the present invention and is not intended to limit the present invention.
Embodiment 1
Fig. 1 is the vertical section schematic diagram of bridge drainpipe construction in loessial gulch area of the present invention, and Fig. 2 is loessial gulch of the present invention Area's bridge drainpipe constructs connector, spraying head type taper dissipates row's component floor map.In figure, 1 enters for barrier bridge floor foreign matter Rain comb, 2 be grid drain convenient for bridge floor interlayer, and 3 be drain interface section, and 4 be straight pipe, and 5 be pair limb connectors, and 6 are Spraying head type taper dissipates row's component, and 7 dissipate the uniformly distributed circular hole in row part surface for spraying head type taper.
Interface section 3 is installed on bridge water discharge pipe position;Straight pipe 4 is the tubular structure positioned at 3 lower part of interface section, and straight tube 4 lower ends of section are located at beam bottom plane or less.Spraying head type taper dissipates row's component 6 and is located at interface straight tube pars infrasegmentalis, passes through double limb connectors 5 Connection.The cone surface that spraying head type taper dissipates row's component 6 is evenly distributed with tiny circular hole 7.Spraying head type taper dissipates the tap web of row's component 6 Angle and taper radius will be according to geology under bridge floor catchment area, sluicing hole number, extreme climate precipitation, flow development length, bridge Condition, which calculates, to be determined.In order to improve the barrier performance at gap position around draining pipe outer wall and bridge drain hole, seam gaps are used Waterproof material filling is closely knit.Rain comb will take into account smooth draining, barrier bridge floor foreign matter entered function.
Bridge drainpipe construction method in loessial gulch area of the present invention, using loessial gulch area bridge drainpipe of the present invention Construction, comprising the following steps:
S1, main girder construction, bridge floor reserve drain hole;
S2, bridge deck roughening clear up bridge floor sundries, pour bridge deck water-proof concrete;
S3, bridge surface waterproof layer is performed, pave bridge floor bituminous concrete;
S4, tapping pipe interface section is installed at bridge drain hole, the gap between interface section outer wall and bridge drain hole is used Impervious material filling;
S5, straight pipe, connector, spraying head type taper are dissipated row's component connect with interface section it is integral.
Bridge drainpipe construction in loessial gulch area of the present invention and construction method, the rainwater that bridge floor converges is drawn by drainpipe Stream after rainwater passes through tapping pipe straight pipe, directly impacts and dissipates the conical surface of row's component, dissipative part water flow in spraying head type taper Kinetic energy, spraying head type taper dissipate the uniformly distributed circular hole of row's parts surface and a part of water flow are dispersed into tiny droplet particle, remaining water Stream dissipates row's edge-of-part by spraying head type taper and is uniformly shattered into tiny droplet particle, greatly reduces bridge deck drainage and splashes to The impact force of earth's surface, effectively reducing bridge floor, diseases are formed at basis caused by stock water flow violent scour earth's surface is exposed etc., are reduced Bridge operation security risk.
Obviously bridge drainpipe construction in loessial gulch area of the present invention and the advantageous effects of construction method are effectively to solve Bridge floor rainwater at being let out under stock to bridge location earth's surface, the violent scour earth's surface soil body, causes basis exposed by conventional discharge pipe, is formed The problem of sinkhole not of uniform size reduces foundation bearing capacity, influences bridge operation safety, increases bridge operation maintenance cost, fills Distribution, which has waved to take into account, drains advantage smooth and that protection ground surface soil body is stable, improves the operation security of bridge.
Example of the invention is explained in detail above in conjunction with embodiment, but the present invention is not limited to examples detailed above, Within the knowledge of a person skilled in the art, it can also make without departing from the purpose of the present invention Various change also should be regarded as protection scope of the present invention.

Claims (3)

1. a kind of loessial gulch area bridge drainpipe construction, which is characterized in that including interface section, straight pipe, connector, shower Formula taper dissipates row's component, and the interface section is installed on bridge water discharge pipe position;The straight pipe is the pipe positioned at interface pars infrasegmentalis Columnar structure, and straight pipe lower end is located at beam bottom plane or less;The spraying head type taper dissipates row's component and is located at interface straight tube pars infrasegmentalis, It is connected by connector;The connector is double limb stick-type members;The cone surface that the spraying head type taper dissipates row's component is uniformly distributed Tiny circular hole.
2. bridge drainpipe construction in loessial gulch area according to claim 1, which is characterized in that the spraying head type taper dissipates The tap web angle and taper radius for arranging component will be according to bridge floor catchment area, sluicing hole number, extreme climate precipitation, straight tube segment lengths Geological conditions, which calculates, under degree, bridge determines.
3. a kind of loessial gulch area bridge drainpipe construction method, for making loessial gulch of any of claims 1 or 2 Area's bridge drainpipe construction, comprising the following steps:
S1, main girder construction, bridge floor reserve drain hole;
S2, bridge deck roughening clear up bridge floor sundries, pour bridge deck water-proof concrete;
S3, bridge surface waterproof layer is performed, pave bridge floor bituminous concrete;
S4, tapping pipe interface section, the gap antiseepage between interface section outer wall and bridge drain hole are installed at bridge drain hole Material filling;
S5, straight pipe, connector, spraying head type taper are dissipated row's component connect with interface section it is integral.
CN201910031723.0A 2019-01-14 2019-01-14 A kind of loessial gulch area bridge drainpipe construction and construction method Pending CN109680607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910031723.0A CN109680607A (en) 2019-01-14 2019-01-14 A kind of loessial gulch area bridge drainpipe construction and construction method

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Application Number Priority Date Filing Date Title
CN201910031723.0A CN109680607A (en) 2019-01-14 2019-01-14 A kind of loessial gulch area bridge drainpipe construction and construction method

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Publication Number Publication Date
CN109680607A true CN109680607A (en) 2019-04-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113106856A (en) * 2021-04-13 2021-07-13 北京工业大学 Nested vertical water drain pipe of bridge

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104480856A (en) * 2014-11-25 2015-04-01 中铁十四局集团有限公司 Bridge drain pipe construction installation technology
KR20160109541A (en) * 2015-03-11 2016-09-21 고재용 drain spray apparatus having spiral guider
CN205662844U (en) * 2016-05-17 2016-10-26 江西省高等级公路管理局泰井高速公路管理处养护中心 Bridge outlet catchment deconcentrator
CN206581137U (en) * 2017-01-13 2017-10-24 山西省交通科学研究院 A kind of drainage system device for Highway in Loess Area bridge
KR20180003319U (en) * 2017-05-17 2018-11-27 남궁은 Apparatus for scattering wastewater of bridge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104480856A (en) * 2014-11-25 2015-04-01 中铁十四局集团有限公司 Bridge drain pipe construction installation technology
KR20160109541A (en) * 2015-03-11 2016-09-21 고재용 drain spray apparatus having spiral guider
CN205662844U (en) * 2016-05-17 2016-10-26 江西省高等级公路管理局泰井高速公路管理处养护中心 Bridge outlet catchment deconcentrator
CN206581137U (en) * 2017-01-13 2017-10-24 山西省交通科学研究院 A kind of drainage system device for Highway in Loess Area bridge
KR20180003319U (en) * 2017-05-17 2018-11-27 남궁은 Apparatus for scattering wastewater of bridge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113106856A (en) * 2021-04-13 2021-07-13 北京工业大学 Nested vertical water drain pipe of bridge

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Application publication date: 20190426