CN203559346U - Drainage facility provided with comb-shaped gravel blind ditch on bridge deck - Google Patents

Drainage facility provided with comb-shaped gravel blind ditch on bridge deck Download PDF

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Publication number
CN203559346U
CN203559346U CN201320671171.8U CN201320671171U CN203559346U CN 203559346 U CN203559346 U CN 203559346U CN 201320671171 U CN201320671171 U CN 201320671171U CN 203559346 U CN203559346 U CN 203559346U
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China
Prior art keywords
drainage
bridge floor
tapping pipe
deck
drainage facility
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Expired - Fee Related
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CN201320671171.8U
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Chinese (zh)
Inventor
廖光新
郑达聪
张永明
朱玲君
潘坚克
周顺善
廖然
周一勤
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WENZHOU CITY INFRASTRUCTURE CONSTRUCTION INVESTMENT Co Ltd
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WENZHOU CITY INFRASTRUCTURE CONSTRUCTION INVESTMENT Co Ltd
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Priority to CN201320671171.8U priority Critical patent/CN203559346U/en
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Publication of CN203559346U publication Critical patent/CN203559346U/en
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Abstract

The utility model discloses a drainage facility provided with a comb-shaped gravel blind ditch on a bridge deck. The drainage facility comprises a deck slab, a cement concrete pavement layer, a waterproof layer, a bituminous concrete deck and a drainage device as well as a guardrail arranged on the edge of the deck slab, wherein the drainage device comprises a plurality of drainage pipes which are arranged along the bridge deck at equal intervals; the upper ends of the drainage pipes and the cement concrete pavement layer are firmly cast, and the lower ends of the drainage pipes extend out of the deck slab for drainage; drainage grids are placed at the upper pats of the drainage pipes; drainage pipe caps are placed at the upper parts of the drainage grids; the drainage device further comprises the gravel blind ditch paved at the upper parts of the drainage pipes; and the front end part of the gravel blind ditch is connected with the drainage pipes, the rear end part of the gravel blind ditch is connected with the bituminous concrete deck, the bottom of the gravel blind ditch is tightly attached onto the waterproof layer, and a reinforcing mesh and covering cement concrete flat stone are placed at the upper part of the gravel blind ditch. By the aid of the drainage facility, surface water and seepage water of the bituminous concrete deck can be practically, economically and efficiently drained, the deck quality is effectively improved, the construction cost and the maintenance cost are saved, and safety operation of a bridge is guaranteed.

Description

Bridge floor comb shape rubble blind drainage facility
Technical field
The utility model relates to a kind of for the drainage on bituminous concrete bridge floor, refers in particular to bridge floor comb shape rubble blind drainage facility.
Background technology
Bituminous concrete bridge floor is generally mated formation on the concrete pavement layer of bridge deck, it is the weak link of bridge, directly bear the effect of carload, also be subject to the impact of the environmental factors such as temperature and humidity, stress is very complicated, than general asphalt concrete pavement, earlier period damage phenomenon more easily occurs, just very easily there is hole groove in the operation initial stage, gathers around bag and the disease phenomenon such as loose.This is except the reasons such as the construction quality with bituminous concrete, mat formation layer and bridge deck bond effect, thermotonus are obvious, and deck drainage system design is also one of them important reason.
What current bridge deck drainage design was focused on is to get rid of bridge floor bituminous concrete surface water, for the water being penetrated on concrete pavement layer, lacks deep research and takes effective specific aim measure.Disclosed China Patent No. is that 201310140156.5 " a kind of cement concrete bridge deck paving structure that can be applicable to extreme environment for use " proposed a kind of cement concrete bridge deck paving structure that can be applicable to extreme environment for use, three defects of main existence: the one, this deck installation structure is complicated, difficulty of construction is large, cost is high, is difficult to promote the use of generally bridge deck pavement; The 2nd, lateral drainage french drain is arranged under the abrasion resisting layer that strength ratio is weaker, is difficult to bear rolling of vehicle, easily damages, and durability is poor; The 3rd, lateral drainage french drain adopts premixing mulseal rubble, and the more difficult control of transmission coefficient, affects drainage effect.Disclosed China Patent No. is that 200620166698.5 " can arrange the outfall of water permeating of bridge floor " is to have a plurality of drain holes at outfall sidewall, discharge the percolating water on waterproofing course, have the effect of discharging surface water and percolating water concurrently simultaneously, but also there is an obvious defect: because bridge floor bituminous concrete is at mix, in roller compaction construction process, in self structure layer, formed independently numerous, from the gap structure connecting, make percolation path in structure form a drainage system, percolating water is discharged on the waterproofing course in bituminous concrete bottom surface, also on the surface perpendicular to waterproofing course, discharge, this part percolating water just can not be penetrated on waterproofing course, be that this part percolating water can not be discharged by the drain hole of outfall sidewall.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and a kind of practicality, economy, bridge floor comb shape rubble blind drainage facility is efficiently provided, this drainage is applicable to discharge surface water and the percolating water of bituminous concrete bridge floor, effectively improve bridge floor quality, save construction costs and maintenance cost, ensure the operation safety of bridge.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of bridge floor comb shape rubble blind drainage facility, comprise bridge deck, concrete pavement layer, waterproofing course, bituminous concrete bridge floor and dewatering installation, also comprise the guardrail that is arranged on bridge deck edge, described dewatering installation comprise many along bridge floor longitudinally by the tapping pipe of equidistant spread configuration, this tapping pipe upper end and concrete pavement layer are built firmly, and lower end is stretched out bridge deck and exposed draining; Sluicing grid is laid on described tapping pipe top, and tapping pipe lid is laid on this sluicing grid top; Described dewatering installation also comprises the rubble french drain that is laid on tapping pipe top, this rubble french drain leading section and tapping pipe join, rearward end and bituminous concrete bridge floor join, and contact is close on waterproofing course in bottom, and top is placed steel mesh reinforcement and covered the flat stone of cement concrete.
Every described tapping pipe is the tubular body of internal diameter 10 ~ 12cm, wall thickness 7 ~ 8mm, and the upper end of this tapping pipe is funnel-form, and funnel internal diameter is 15 ~ 17cm.
Described is longitudinally 3 ~ 5m by the setting space of many tapping pipes of equidistant spread configuration along bridge floor, and the centre distance guardrail inward flange of every tapping pipe is 13 ~ 15cm.
Described sluicing grid is tubular, and wall thickness is 3 ~ 5mm, and sidewall is provided with a plurality of grids, and the draining space of each grid is 1 ~ 2cm.
Described tapping pipe lid is flat disk, and thickness is 1.5 ~ 2.5cm, and this tapping pipe covers and is provided with a plurality of grids, and the draining space of each grid is 2 ~ 3cm.
Described rubble french drain is to consist of macadam and the glass fiber grid cloth being wrapped in outside macadam, and this rubble french drain is the comb shape keeping flat, and thickness is 3 ~ 4cm, and broach width is 50 ~ 60cm, and described broach leading section and tapping pipe join.
The flat stone thickness of described cement concrete is 5 ~ 6cm, and end face is domatic consistent with bituminous concrete bridge floor.
Described steel mesh reinforcement is well word shape steel grid, and mesh spacing is 3~4cm, and bar diameter is 6~8mm, at corresponding tapping pipe position, has circular hole, and circular hole periphery be provided with 2 ~ 3 row with well word shape steel grid be the stiffener of 45 °.
Described bridge deck are to be formed by the assembled connection of precast block or integral cast-in-situ.
Compared with prior art, the utility model has designed a kind of bridge floor comb shape rubble blind drainage facility, it is mainly to consist of many tapping pipes, sluicing grid, tapping pipe lid, rubble french drain, steel mesh reinforcement and the flat stone of cement concrete etc., the surface water and the percolating water that can be practical, economical, discharge efficiently bituminous concrete bridge floor, effectively improve bridge floor quality, save construction costs and maintenance cost, ensure the operation safety of bridge.
Accompanying drawing explanation
Fig. 1 is facade structures schematic diagram of the present utility model.
Fig. 2 is plane structure schematic diagram of the present utility model (broken section).
Fig. 3 is tapping pipe structural representation.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is sluicing grid deployed configuration schematic diagram.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is tapping pipe lid structural representation.
Fig. 8 is the top view of Fig. 7.
Fig. 9 is steel mesh reinforcement structural representation.
The specific embodiment
To the utility model embodiment, elaborate again by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Fig. 9,1. bridge deck, 2. guardrail, 3. concrete pavement layer, 4. tapping pipe, 41. funnels, 5. waterproofing course, 6. rubble french drain, 7. steel mesh reinforcement, 71. circular holes, 72. stiffeners, the 8. flat stone of cement concrete, 9. bituminous concrete bridge floor, 10. sluicing grid, 11. tapping pipes lids.
Bridge floor comb shape rubble blind drainage facility, as shown in Figure 1 and Figure 2, it is a kind ofly can effectively discharge the surface water of bituminous concrete bridge floor 9 and the drainage of percolating water, is mainly to consist of bridge deck 1, concrete pavement layer 3, waterproofing course 5, bituminous concrete bridge floor 9, dewatering installation and guardrail 2 etc.
Described bridge deck 1 are the superstructures of bridge, it is formed by the assembled connection of precast block or integral cast-in-situ conventionally, mainly bear vehicular load, on it generally first joints cement concrete pavement layer 3 to form whole or whole bridge floor elevation levelling, waterproofing course 5 is set on concrete pavement layer 3, be used for preventing that bridge floor percolating water is penetrated into concrete pavement layer 3, bituminous concrete bridge floor 9 paves on waterproofing course 5 again, and its thickness is 8~10cm.
Described guardrail 2 is safety device of bridge, is arranged on bridge deck 1 and is positioned at bridge floor edge, plays the effect of protection vehicle safe passing.
Described tapping pipe 4, sluicing grid 10 and tapping pipe lid 11 are all dewatering installations of bridge floor, for preventing artificially losing by high-strength weather-proof plastic production, conventionally be arranged on the edge that deck transverse slope absolute altitude is minimum, mainly play the effect of discharging bituminous concrete bridge floor 9 surface waters and percolating water.
Described tapping pipe 4 is tubular body as shown in Figure 3, Figure 4, upper end is funnel-form, these funnel 41 internal diameters are 15~17cm, tubulose internal diameter below funnel neck is in full accord, internal diameter is 10~12 cm, wall thickness is 7~8mm, and funnel 41 positions are identical with the thickness of concrete pavement layer 3, hopper walls thickness rate tapping pipe 4 lower ends more slightly, the thicker bond cement concrete pavement layer 3 that is beneficial to.
Described many tapping pipes 4 are longitudinally with 3~5m, to be equidistantly word order setting along bridge floor, center to center distance guardrail 2 inward flanges of every tapping pipe 4 are 13~15cm, at bridge deck 1, also need the position, hole of reserved tapping pipe 4, tapping pipe upper end, namely the above position of funnel-form neck and concrete pavement layer 3 are built firmly, tapping pipe 4 lower ends are stretched out bridge deck 1 and are exposed, excretion bridge floor table water and percolating water.
Described sluicing grid 10 is placed in tapping pipe 4 tops, this sluicing grid 10 is tubular as shown in Figure 5, Figure 6, its external diameter is slightly less than funnel 41 internal diameters of tapping pipe 4, be beneficial to be placed in the funnel 41 of tapping pipe, sluicing grid Shang Xia 10 internal-and external diameter all consistent, wall thickness is 3~5mm, sidewall is provided with a plurality of grids, the draining space of each grid is 1~2cm, flows into, thereby discharge bridge floor percolating water for percolating water.
Described tapping pipe lid 11 is placed in sluicing grid 10 tops, this tapping pipe lid is flat disk as shown in Figure 7, Figure 8, thickness is 1.5~2.5cm, external diameter is identical with the external diameter of the funnel 41 of tapping pipe 4, on it, be also provided with a plurality of grids, the draining space of each grid is 2~3cm, and upper and lower penetrating surface water and prevention bridge floor foreign material of discharging bridge floor enter.
Described dewatering installation also comprises the rubble french drain that is laid on tapping pipe 4 tops, this rubble french drain 6 normally arranges along deck transverse slope lowest part and apart from the scope of guardrail 2 inward flange 40~50cm, integral body is the comb shape keeping flat, the thickness of comb shape rubble french drain 6 is 3~4cm, broach width is 50~60cm, broach leading section and tapping pipe 4 join, comb rearward end and bituminous concrete bridge floor 9 join, comb bottom is close to and is contacted with waterproofing course 5, comb top is placed steel mesh reinforcement 7 and is covered the flat stone 8 of cement concrete, the flat stone 8 of this cement concrete also covers the broach gap that is packed in comb shape rubble french drain 6, thickness is 5~6cm, end face is domatic consistent with bituminous concrete bridge floor 9, described sluicing grid 10 is arranged in rubble french drain 6 and the flat stone 8 of cement concrete, tapping pipe lid 11 can be taken out or put into from sluicing grid 10 tops, the flat stone 8 of cement concrete after laying completes covers 11 end face than tapping pipe and exceeds 0.5~1cm, so that bridge floor Quick drainage.
Described rubble french drain 6 is mainly to consist of clean, the macadam of high rigidity and the glass fiber grid cloth being wrapped in outside macadam, and this glass fiber grid cloth can play the fixedly effect of rubble loose media and filtration and infiltration water of moulding.
Described steel mesh reinforcement 7 can be used for strengthening the intensity of the flat stone 8 of cement concrete, prevents from being rolled and causing destroying by vehicular load; Described steel mesh reinforcement 7 is illustrated in figure 9 well word shape steel grid, and mesh spacing is 3~4cm, and bar diameter 6~8mm has circular hole 71 at corresponding tapping pipe 4 positions, and circular hole periphery arrange 2~3 row with well word shape steel grid be 45 0stiffener 72, to strengthen the intensity of the flat stone 8 of cement concrete of tapping pipe 4 peripheries.
Bridge floor comb shape rubble blind drainage facility is provided with the rubble french drain 6 of many tapping pipes 4, sluicing grid 10 and comb shape etc., can not only discharge smoothly the surface water of bituminous concrete bridge floor 9, can also effectively discharge percolating water; The flat stone 8 of cement concrete and 7 of steel mesh reinforcements have better been protected the drainages such as rubble french drain 6, tapping pipe 4, in order to avoid vehicular load damages drainage.
Embodiment described in the utility model is only not used in restriction scope of the present utility model for the utility model is described.Should be understood that in addition, after having read content described in the utility model, those skilled in the art can make various changes or modifications the utility model, these equivalent form of values fall within the application's appended claims limited range equally.

Claims (9)

1. a bridge floor comb shape rubble blind drainage facility, comprise bridge deck (1), concrete pavement layer (3), waterproofing course (5), bituminous concrete bridge floor (9) and dewatering installation, also comprise the guardrail (2) that is arranged on bridge deck (1) edge, it is characterized in that described dewatering installation comprises that many are longitudinally made along bridge floor the tapping pipe (4) that arranged with interval arranges, this tapping pipe upper end and concrete pavement layer (3) are built firmly, and lower end is stretched out bridge deck (1) and exposed; Sluicing grid (10) is laid on described tapping pipe (4) top, and tapping pipe lid (11) is laid on this sluicing grid top; Described dewatering installation also comprises the rubble french drain (6) that is laid on tapping pipe (4) top, this rubble french drain leading section and tapping pipe (4) join, rearward end and bituminous concrete bridge floor (9) join, it is upper at waterproofing course (5) that contact is close in bottom, and top is placed steel mesh reinforcement (7) and covered the flat stone of cement concrete (8).
2. bridge floor comb shape rubble blind drainage facility according to claim 1, it is characterized in that described every tapping pipe (4) is the tubular body of internal diameter 10 ~ 12cm, wall thickness 7 ~ 8mm, the upper end of this tapping pipe (4) is funnel-form, and funnel (41) internal diameter is 15 ~ 17cm.
3. bridge floor comb shape rubble blind drainage facility according to claim 1 and 2, it is characterized in that the described setting space of longitudinally making the many tapping pipes (4) that arranged with interval arranges along bridge floor is 3 ~ 5m, centre distance guardrail (2) inward flange of every tapping pipe (4) is 13 ~ 15cm.
4. bridge floor comb shape rubble blind drainage facility according to claim 1 and 2, is characterized in that described sluicing grid (10) is tubular, and wall thickness is 3 ~ 5mm, and sidewall is provided with a plurality of grids, and the draining space of each grid is 1 ~ 2cm.
5. bridge floor comb shape rubble blind drainage facility according to claim 1 and 2, it is characterized in that described tapping pipe lid (11) is flat disk, thickness is 1.5 ~ 2.5cm, and this tapping pipe covers and is provided with a plurality of grids, and the draining space of each grid is 2 ~ 3cm.
6. bridge floor comb shape rubble blind drainage facility according to claim 1 and 2, it is characterized in that described rubble french drain (6) is to consist of macadam and the glass fiber grid cloth being wrapped in outside macadam, this rubble french drain is the comb shape keeping flat, thickness is 3 ~ 4cm, broach width is 50 ~ 60cm, and described broach leading section and tapping pipe (4) join.
7. bridge floor comb shape rubble blind drainage facility according to claim 1 and 2, is characterized in that the described flat stone of cement concrete (8) thickness is 5 ~ 6cm, and end face is domatic consistent with bituminous concrete bridge floor (9).
8. bridge floor comb shape rubble blind drainage facility according to claim 1 and 2, it is characterized in that described steel mesh reinforcement (7) is well word shape steel grid, mesh spacing is 3~4cm, bar diameter is 6~8mm, at corresponding tapping pipe position, have circular hole (71), and circular hole periphery be provided with 2 ~ 3 row with well word shape steel grid be the stiffener (72) of 45 °.
9. bridge floor comb shape rubble blind drainage facility according to claim 1 and 2, is characterized in that described bridge deck (1) are to be formed by the assembled connection of precast block or integral cast-in-situ.
CN201320671171.8U 2013-10-29 2013-10-29 Drainage facility provided with comb-shaped gravel blind ditch on bridge deck Expired - Fee Related CN203559346U (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105887677A (en) * 2014-05-17 2016-08-24 景天虎 Traffic cableway bridge reinforced concrete bridge deck slab
CN108222044A (en) * 2018-02-06 2018-06-29 四川睿铁科技有限责任公司 Assembled oozes weeper drain
CN109112960A (en) * 2018-09-04 2019-01-01 中国二十冶集团有限公司 Simple clad steel suspension bridge floor system and construction method
CN109537471A (en) * 2019-01-15 2019-03-29 中冶华天工程技术有限公司 Harmful influence across sensitive water body bridge reveals emergent treatment system and construction method
CN109577149A (en) * 2018-12-03 2019-04-05 周峻宇 A kind of kerbstone Paving Techniques and paver
CN110042753A (en) * 2019-05-21 2019-07-23 山东省路桥集团有限公司 Bridge bridge floor water drain pipe device and construction method
RU2705121C1 (en) * 2018-12-27 2019-11-05 Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" Drainage device
RU2712856C1 (en) * 2019-04-02 2020-01-31 Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" Device for water intake, cleaning and discharge from bridge roadway
CN113106856A (en) * 2021-04-13 2021-07-13 北京工业大学 Nested vertical water drain pipe of bridge

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105887677A (en) * 2014-05-17 2016-08-24 景天虎 Traffic cableway bridge reinforced concrete bridge deck slab
CN108222044A (en) * 2018-02-06 2018-06-29 四川睿铁科技有限责任公司 Assembled oozes weeper drain
CN109112960A (en) * 2018-09-04 2019-01-01 中国二十冶集团有限公司 Simple clad steel suspension bridge floor system and construction method
CN109577149A (en) * 2018-12-03 2019-04-05 周峻宇 A kind of kerbstone Paving Techniques and paver
CN109577149B (en) * 2018-12-03 2021-01-26 滁州市宏图建设有限公司 Curb paver
RU2705121C1 (en) * 2018-12-27 2019-11-05 Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" Drainage device
CN109537471A (en) * 2019-01-15 2019-03-29 中冶华天工程技术有限公司 Harmful influence across sensitive water body bridge reveals emergent treatment system and construction method
CN109537471B (en) * 2019-01-15 2024-04-05 中冶华天工程技术有限公司 Dangerous chemical leakage emergency treatment system crossing sensitive water bridge and construction method
RU2712856C1 (en) * 2019-04-02 2020-01-31 Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" Device for water intake, cleaning and discharge from bridge roadway
CN110042753A (en) * 2019-05-21 2019-07-23 山东省路桥集团有限公司 Bridge bridge floor water drain pipe device and construction method
WO2020232981A1 (en) * 2019-05-21 2020-11-26 山东省路桥集团有限公司 Bridge deck drain pipe device for bridge and construction method
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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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140423

Termination date: 20151029

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