CN110629667B - Bridge floor transverse drainage structure and drainage system thereof - Google Patents
Bridge floor transverse drainage structure and drainage system thereof Download PDFInfo
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- CN110629667B CN110629667B CN201911023041.1A CN201911023041A CN110629667B CN 110629667 B CN110629667 B CN 110629667B CN 201911023041 A CN201911023041 A CN 201911023041A CN 110629667 B CN110629667 B CN 110629667B
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- 239000010410 layer Substances 0.000 claims description 96
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
- 238000004062 sedimentation Methods 0.000 claims description 48
- 238000011010 flushing procedure Methods 0.000 claims description 39
- 239000000758 substrate Substances 0.000 claims description 34
- 230000008093 supporting effect Effects 0.000 claims description 21
- 239000004567 concrete Substances 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 13
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- 238000001764 infiltration Methods 0.000 claims description 12
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- 238000007599 discharging Methods 0.000 claims description 5
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- 230000008901 benefit Effects 0.000 abstract description 10
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- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a bridge deck transverse drainage structure and a drainage system thereof, relates to the technical field of bridge construction, solves the problem of drainage of bridge deck pavement seepage, and has the technical scheme that: the method comprises a leveling layer above a pouring girder, a plurality of transverse drainage leakage pipes, a waterproof layer and an asphalt concrete pavement layer; a plurality of transverse drainage pipes are sequentially paved on the leveling layer along the transverse direction perpendicular to the length direction of the bridge, are connected and are arranged at one side of the side longitudinal slope high point of the bridge expansion joint; the transverse drain pipe is provided with a drain channel and a plurality of drain holes; the waterproof layer is arranged on one side of the transverse drainage leakage pipe far away from the bridge expansion joint, and the plane of the waterproof layer is arranged in parallel with the bridge deck; the asphalt concrete pavement layer is paved on the transverse drainage drain pipe and the waterproof layer after the transverse drainage drain pipe and the waterproof layer are paved, and is used as a bridge deck. The invention has the advantages of good drainage performance and convenient installation.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a bridge deck transverse drainage structure and a drainage system thereof.
Background
At present, the problem of bridge floor drainage needs to be considered in building a bridge, the unsmooth bridge floor drainage not only easily causes wheel slip, reduces the traffic capacity of the bridge, but also possibly causes a series of water damage phenomena of the bridge, reduces driving safety and prolongs the service life of the bridge. Therefore, a drainage structure is required to be arranged, and a herringbone transverse slope is generally adopted for drainage, so that the rainwater and sewage on the road surface can be timely drained into a drainage port on the outer side of the bridge, and the purpose of bridge deck drainage is achieved. However, the water seepage in the bridge deck asphalt concrete pavement cannot be well treated, the water seepage cannot be discharged, the water seepage cannot be effectively and timely discharged before the concrete platform is poured after the expansion joint, and the soaked asphalt concrete pavement is seriously damaged under the repeated action of the vehicle load, so that the driving safety is influenced.
Disclosure of Invention
Aiming at the prior art, the invention aims to provide a drain pipe structure for solving the problems, which has the advantages of good drainage performance and convenient installation.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a horizontal drainage drain structure, includes the base plate and sets up a plurality of support tops on the base plate, support the top along base plate length or width direction equidistance fix on the face of base plate, a plurality of support the top with form between the base plate drainage channel, a plurality of the wash port is evenly seted up support top week side.
Preferably, the two ends of the bottom substrate are folded outwards along the direction of the top of the support to form an adjusting plate.
Preferably, the support top is formed in a semicircular cylindrical shape as a whole.
Aiming at the prior art, the invention aims to provide a bridge deck transverse drainage structure which solves the problems and has the advantages of good drainage performance and convenient installation.
The technical aim of the invention is realized by the following technical scheme:
a bridge deck transverse drainage structure comprises a leveling layer above a pouring main beam, a plurality of transverse drainage pipes, a waterproof layer and an asphalt concrete pavement layer; the transverse drainage leakage pipes are sequentially paved on the leveling layer along the transverse direction perpendicular to the length direction of the bridge, are connected and are arranged at one side of the side-longitudinal slope high point of the bridge expansion joint; the transverse drain pipe is provided with a drain channel and a plurality of drain holes;
the waterproof layer is arranged on one side of the transverse drainage drain pipe far away from the bridge expansion joint, and the plane of the waterproof layer is arranged in parallel with the bridge deck; the asphalt concrete pavement layer is paved on the transverse drainage drain pipe and the waterproof layer after the transverse drainage drain pipe and the waterproof layer are paved, and is used as a bridge surface layer;
the transverse drain pipe adopts the drain pipe structure, and the bottom substrate of the transverse drain pipe is fixed on the leveling layer; the waterproof layer is close to the lateral part of the transverse drainage drain pipe and is attached to the adjusting plate.
Preferably, the drain passage and the drain hole are filled with a gel filler capable of being discharged from the drain passage and the drain hole by an external water flow.
Preferably, the bottom base plate is folded along the direction deviating from the leveling layer along the two ends of the width of the plate surface to form an adjusting plate, and the side part of the waterproof layer, which is close to the transverse drainage drain, is attached to the adjusting plate.
Preferably, the colloidal filler is a sediment mixture, and the transverse drain pipe is a drain pipe made of galvanized and antiseptic-treated steel.
The invention aims to solve the problems, and the invention provides a bridge deck drainage system which can treat water seepage in a drainage structure and then drain the water seepage, has the advantages of reducing the pollution of the water seepage and being beneficial to environmental protection, and the flushing device can flush residues in the drainage structure well, avoid blockage, is beneficial to maintaining the drainage structure, improves the durability of a bridge and can also reduce the labor intensity of staff maintenance.
The technical aim of the invention is realized by the following technical scheme:
a bridge deck drainage system comprising:
the drainage structure is used for collecting and discharging the bridge deck, and the drainage structure is molded on the bridge deck for pouring;
the sedimentation tank is communicated with the drainage structure through a drain pipe, asphalt layer water seepage enters the sedimentation tank through the drain pipe under the flushing of external low-pressure water, and the asphalt layer water seepage is discharged after sedimentation treatment and detection pass through the sedimentation tank;
the bridge floor transverse drainage structure is characterized in that the drainage structure adopts any one of the bridge floor transverse drainage structures.
Preferably, a flushing device is also included in communication with the drain structure for flushing the interior of the lateral drain.
Preferably, the flushing device comprises a flushing water pipe and a plurality of rotary spray heads fixed on the flushing water pipe; the flushing water pipe is suspended between the drainage channels of the transverse drainage leakage pipe through the fixing frame, and the axial direction of the flushing water pipe is parallel to the length direction of the transverse drainage leakage pipe; the rotary spray heads are arranged on the periphery of the flushing water pipe along the axial direction of the flushing water pipe, and the rotary spray heads are arranged corresponding to the drain holes of the transverse drain pipe.
Preferably, the sedimentation tank is buried below the ground of the bridge bottom, and a water inlet pipe for communicating the water outlet pipe with the interior of the sedimentation tank is arranged on the side wall of the sedimentation tank; the sedimentation tank is provided with a water outlet pipe for discharging water in the sedimentation tank on the other side wall opposite to the water inlet pipe, and the top wall of the sedimentation tank is provided with an exhaust hole and an inspection manhole.
Aiming at the prior art, the invention further aims to provide an installation and drainage method of a bridge deck drainage system, which is used for solving the problems, is convenient to install and has good safety and stability, does not need to dig grooves, and can keep the integrity of a bridge.
The technical aim of the invention is realized by the following technical scheme:
a method of installing and draining a deck drainage system comprising the steps of:
a. after the construction of the bridge pier is finished, constructing a girder, reserving an expansion joint reserved groove in the construction process, and pouring a leveling layer of the girder;
b. filling the filler of the sediment mixture into a drain hole of a transverse drain pipe and a drain pipe of the transverse drain pipe in advance;
c. a plurality of transverse drainage leakage pipes are sequentially arranged on the leveling layer along the bridge deck in a transverse assembling mode, a group of drainage structures crossing the bridge deck are formed by the plurality of transverse drainage leakage pipes, and the plurality of transverse drainage structures can be connected and fixed in a welding mode;
d. after the transverse drainage structure is installed, concrete of the leveling layer is poured, and after the strength of the concrete of the leveling layer is formed, the base plate, the mounting plate and the leveling layer at the bottom of the transverse drainage drain pipe are connected into a whole, so that the transverse drainage drain pipe is fixed on the leveling layer;
e. the waterproof layer is paved through the folded adjusting plate on the base substrate, so that the installation of the waterproof layer is completed; then, paving excessive asphalt concrete on the waterproof layer and the transverse drainage drain pipe, filling and compacting the expansion joint reserved groove together to form an asphalt concrete paving layer as a bridge floor;
f. pouring expansion joint anchoring concrete after the expansion joint is installed and fixed, and flushing out a gelatinous filler of mud and sand along a transverse drainage drain pipe by using low-pressure water outside a side guardrail of the bridge;
g. clearing up horizontal drainage channel, the inside infiltration of bridge deck pavement can get into drainage channel through the wash port of horizontal drainage drain pipe, and infiltration is through drain pipe drainage to sedimentation tank, and after sedimentation tank deposit and detect qualified, discharge through the outlet pipe.
In summary, the invention has the following beneficial effects:
1. through the arrangement of the base substrate, the supporting top, the adjusting plate and the drain holes, the base substrate is favorable for installation, and a drain channel formed between the supporting top and the base substrate can be used for water seepage and drainage through the drain holes, so that water seepage of a bridge main body outside the drain pipe structure or an external object outside the drain pipe structure is favorable, and the purpose of protecting the bridge main body outside the drain pipe structure or the external object is achieved.
2. By adopting the arrangement of the transverse drainage drain pipes, the transverse drainage drain pipes can be installed and paved on the leveling layer after the leveling layer formed by the bridge is poured, a waterproof layer, a concrete pavement layer and an asphalt pavement layer are paved in sequence, the transverse drainage drain pipe installation method is fused to the pouring process of the bridge, the transverse drainage drain pipes are directly arranged in the bridge, the safety and the stability are good, and the integrity of the bridge can be maintained without additional grooving installation; the water seepage in the bridge can enter the drainage channel through the drainage holes of the transverse drainage drain pipe, and then is drained from the two sides of the bridge along the drainage channel, so that the bridge has good drainage performance; and secondly, the drainage channel can be flushed through external low-pressure water, so that the blockage of the drainage hole and the drainage channel is avoided.
3. Through the arrangement of the bottom baseplate, the adjusting plate, the semicircular cylinder-shaped supporting top and the colloidal filler for transverse drainage, the filling of the colloidal filler can prevent concrete from entering the drainage hole and the drainage channel at the supporting top when the asphalt concrete pavement layer serving as the bridge deck is poured, and the drainage effect is influenced; the horizontal drain pipe can be horizontally paved on the leveling layer through the base substrate, and the waterproof layer can be conveniently installed through the adjusting plate; the arc surface that the semicircle cylinder-shaped support top had can have better supporting role for when pouring the asphalt concrete pavement layer and under the vehicle load effect of operation period, be difficult for taking place to warp.
4. The drainage leakage pipe and sediment mixture made of galvanized and anti-corrosion steel can enhance the rainwater corrosion resistance of the transverse drainage leakage pipe and prolong the service life; the sediment mixture has certain fixity and is easy to wash off under the flushing of water.
5. Through the arrangement of the drainage structure, the flushing device and the sedimentation tank, water seepage in the asphalt layer of the bridge deck enters the transverse drainage leakage pipe through the drainage structure, and the rotary nozzle of the flushing device flushes the inner wall of the transverse drainage leakage pipe in the transverse drainage leakage pipe to flush away the drainage holes and the asphalt layer seepage and residues on the inner wall; overall, drainage system has the pollution nature that reduces the infiltration and does benefit to the advantage of environmental protection, and washing unit can be better wash the residue in the drainage structure, avoids blockking up, does benefit to the maintenance drainage structure, improves the durability of bridge, also can reduce the intensity of labour that the staff maintained.
Drawings
FIG. 1 is an overall schematic view of a drain tube of the present invention;
FIG. 2 is a schematic plan view of the present invention with a lateral drain and flashing installed;
FIG. 3 is a schematic plan view of a poured asphalt pavement layer of the present invention;
FIG. 4 is a schematic plan view of the present invention after installation of the expansion joint fixing material;
FIG. 5 is an enlarged schematic view of a portion of area A of FIG. 3;
FIG. 6 is a schematic side view of a drain structure and a sedimentation tank of the present invention;
FIG. 7 is a schematic side view of a sedimentation tank of the present invention;
FIG. 8 is a schematic top view of the sedimentation tank of the present invention;
fig. 9 is a schematic view of the structure of the flushing device and the transverse drain pipe of the present invention.
Reference numerals: 1. leveling the layer; 2. a transverse drainage drain; 21. a base substrate; 22. a mounting plate; 23. an adjustment plate; 24. a support top; 25. a drain hole; 26. a drainage channel; 27. a water-stop plate; 3. a waterproof layer; 4. asphalt concrete pavement layers; 5. reserving a groove at the expansion joint; 6. a drain pipe; 7. a sedimentation tank; 71. a water inlet pipe; 72. a water outlet pipe; 73. an exhaust pipe; 74. a trough plate; 75. a partition plate; 76. checking a manhole; 77. a ladder stand; 8. a flushing device; 81. a flushing water pipe; 82. a fixing frame; 83. and rotating the spray head.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
According to a first exemplary embodiment of the present application, a structure of a drain pipe is provided, referring to fig. 1, the drain pipe comprises a base substrate 21 and a plurality of support tops 24 disposed on the base substrate 21, the support tops 24 are equidistantly fixed on the board surface of the base substrate 21 along the width direction of the base substrate 21, the support tops 24 are integrally in a semi-cylindrical shape, the semi-cylindrical support tops 24 have an arc surface, the support tops 24 have a good supporting effect, and the drain pipe structure is applied to a bridge construction, so that deformation is not easy to occur under the action of a vehicle load when a concrete layer is poured and during operation. A plurality of drain holes 25 are evenly formed in the peripheral side of the supporting top 24, the number of the supporting top 24 is preferably three in the application, the three supporting tops 24 are equidistantly fixed on the plate surface of the base substrate 21 along the width direction of the base substrate 21, the supporting top surface and the base substrate 21 are integrally formed, and a drain channel 26 is formed between the semi-cylindrical supporting top 24 and the plate surface of the base substrate 21.
The bottom of the base substrate 21 opposite to the support top 24 is provided with a plurality of mounting plates 22 in parallel along the width direction of the base substrate 21, and the longitudinal direction of the mounting plates 22 is parallel to the longitudinal direction of the base substrate 21. The two ends of the bottom substrate 21 along the width direction are outwards folded towards the supporting top 24 to form an adjusting plate 23, the adjusting plate 23 and the bottom substrate 21 are integrally formed, and an included angle between the plate surface of the adjusting plate 23 and the plate surface of the bottom substrate 21 close to the supporting top 24 is an angle. Through the arrangement of the base substrate 21, the supporting top 24, the adjusting plate 23 and the drain holes 25, the base substrate 21 is beneficial to installation, and the drain channel 26 formed between the supporting top 24 and the base substrate 21 can be used for water seepage and drainage through the drain holes 25, so that water seepage of a bridge main body or an external object outside the drain pipe structure is facilitated, and the purpose of protecting the bridge main body or the external object outside the drain pipe structure is achieved.
A second exemplary embodiment of the present application provides a bridge deck lateral drainage structure, referring to fig. 1 to 5, which includes a leveling layer 1 above a casting girder, a plurality of lateral drainage pipes 2, a waterproof layer 3, and an asphalt concrete pavement layer 4. The transverse drain pipe 2 adopts a drain pipe structure described in the first exemplary embodiment, and the specific structure of the transverse drain pipe 2 is that a plurality of transverse drain pipes 2 are sequentially paved on the leveling layer 1 along the transverse direction perpendicular to the length direction of the bridge, and a plurality of transverse drain pipes 2 are mutually identical and are in linear arrangement and are arranged at one side of the side longitudinal slope high point of the bridge expansion joint. The waterproof layer 3 is paved on one side of the transverse drainage leakage pipe 2 far away from the bridge expansion joint, and the plane of the waterproof layer 3 is arranged in parallel with the bridge deck; the asphalt concrete pavement layer 4 is paved on the transverse drainage drain pipe 2 and the waterproof layer 3 after the transverse drainage drain pipe 2 and the waterproof layer 3 are paved, and is used as a bridge surface layer. In this embodiment, the leveling layer 1 is formed by casting concrete. The base substrate 21 of the horizontal drain pipe 2 is fixed on the leveling layer 1, and the waterproof layer 3 is arranged near the side part of the horizontal drain pipe 2 and is attached to the adjusting plate 23 on one side of the base substrate 21. The adjusting plate 23 far away from the waterproof layer 3 is arranged near the higher side of the expansion joint. Specifically, when the waterproof layer 3 is laid, a part of the flexible adhesive material of the waterproof layer 3 is smeared on the adjusting plate 23, and is connected with the adjusting plate 23, so that the waterproof layer can be waterproof and infiltration-proof.
The drain passage 26 and the drain hole 25 of the lateral drain pipe 2 are filled with a gel-like filler, which is preferably a sediment mixture, capable of draining out of the drain hole 25 and the drain passage 26 under flushing by an external water flow.
The waterproof layer 3 is formed by coating a road and bridge polymer modified asphalt waterproof Paint (PB), and the asphalt concrete pavement layer 4 is formed by paving asphalt concrete. The transverse drain pipe 2 is made of galvanized and antiseptic steel. In other embodiments, the waterproof layer 3 may be formed by coating the waterproof layer 3 with a polymer cement waterproof paint (JS) for roads and bridges.
Through the arrangement of the drainage structure, the installation of the transverse drainage drain pipe 2 is fused to the pouring process of the bridge, the transverse drainage drain pipe 2 is directly arranged in the bridge, so that the safety and stability are good, no additional grooving is needed, and the integrity of the bridge can be maintained; the inside infiltration of bridge deck pavement can get into drainage channel 26 through the wash port 25 of horizontal drainage drain pipe 2, then follows drainage channel 26 and follow the both sides discharge of bridge, has better drainage performance.
In a third exemplary embodiment of the present application, a drainage system for a bridge deck is provided, referring to fig. 6 to 9, which includes a drainage structure and a sedimentation tank 7 communicated with the drainage structure, wherein the drainage structure is formed on the bridge deck, the drainage structure is mainly used for collecting water permeated by the asphalt concrete pavement layer 4 and draining the water to the sedimentation tank 7 through a drainage pipe 6, and the drainage structure adopts the drainage structure described in the first exemplary embodiment. Wherein, the export that is close to the bridge both sides of the horizontal drainage drain pipe 2 of drainage structure all is provided with the water-stop sheet 27, and the drainage pipe 6 is fixed wears to establish on the water-stop sheet 27 and the drainage channel 26 of horizontal drainage drain pipe 2 of one end intercommunication, under the washing of low pressure water, rivers flow to the water-stop sheet 27 department of drainage channel 26 both sides and drain to sedimentation tank 7 through drain pipe 6.
The sedimentation tank 7 is buried underground under the bridge floor, the sedimentation tank 7 is formed by pouring concrete, the whole sedimentation tank 7 is rectangular and internally provided with a water collecting cavity, the side wall of one end of the sedimentation tank 7 along the length direction of the sedimentation tank is provided with a water inlet pipe 71 used for communicating a water outlet pipe 6 with the sedimentation tank 7, and the other side wall of the sedimentation tank 7 opposite to the water inlet pipe 71 is provided with a water outlet pipe 72 used for discharging water in the sedimentation tank. The water inlet pipe 71 is provided as a T-shaped pipe, and the water inlet pipe 71 is fixed on the side wall of the sedimentation tank 7 through a bracket. The sedimentation tank 7 is provided with a trough plate 74 and a baffle plate 75 in sequence in front of the opening of the water outlet pipe 72. The sedimentation tank 7 is provided with exhaust hole and inspection manhole 76 on the roof that is close to ground, and inspection manhole 76 is provided with two and is close to the delivery port and the water inlet setting of sedimentation tank 7 respectively, is provided with cat ladder 77 on the lateral wall that corresponds with inspection manhole 76 position.
Based on the drainage system, the application also provides a method for installing and draining the bridge floor drainage system, which comprises the following steps:
a. after the bridge abutment construction is finished, constructing a girder, reserving an expansion joint reserved groove 5 in the construction process, and pouring a leveling layer 1 of the girder;
b. filling the filler of the sediment mixture into the drain holes 25 of the transverse drain pipe 2 and the drain pipe 6 thereof in advance;
c. a plurality of transverse drain pipes 2 are sequentially arranged on the leveling layer 1 along the bridge floor in a transverse assembling mode, a group of drainage structures crossing the bridge floor are formed by the transverse drain pipes 2, and the transverse drainage structures can be connected and fixed in a welding mode;
d. after the transverse drainage structure is installed, concrete of the leveling layer 1 is poured, and after the strength of the concrete of the leveling layer 1 is formed, the base plate 21, the mounting plate 22 and the leveling layer 1 at the bottom of the transverse drainage drain pipe 2 are connected into a whole, so that the transverse drainage drain pipe 2 is fixed on the leveling layer 1;
e. the waterproof layer 3 is paved through the adjusting plate 23 folded on the base substrate 21, and the installation of the waterproof layer 3 is completed; then, paving excessive asphalt concrete on the waterproof layer 3 and the transverse drainage drain pipe 2, filling and compacting the expansion joint reserved groove 5 together to form an asphalt concrete paving layer 4 serving as a bridge floor;
f. pouring expansion joint anchoring concrete after the expansion joint is installed and fixed, and flushing out a gelatinous filler of mud and sand along the transverse drainage leakage pipe 2 by using low-pressure water outside the side guardrails of the bridge;
g. clear up horizontal drainage channel 26, the inside infiltration of bridge deck pavement can get into drainage channel 26 through the wash port 25 of horizontal drainage drain pipe 2, and the infiltration is through drain pipe 6 drainage to sedimentation tank 7, and after sedimentation tank 7 deposits and detects qualified, is discharged through outlet pipe 72.
In a preferred embodiment of the present application, referring to fig. 9, the drainage system further comprises a flushing device 8, wherein the flushing device 8 is used for communicating with an external water source, so as to flush the inside of the transverse drainage drain pipe 2 and drain the asphalt layer water seepage along the drainage pipe 6. Specifically, the flushing device 8 includes a flushing pipe 81 and two fixing frames 82, the two fixing frames 82 are vertically fixed at two outlets of the horizontal drain pipe 2, and are erected between the water stop 27 and the upper end of the horizontal drain pipe 2, and a mounting hole is provided in the middle of the fixing frame 82. The both ends of wash pipe 81 are fixed respectively to wear to establish between the mounting hole of two mounts 82 to make wash pipe 81 unsettled setting between the drainage channel 26 of horizontal drainage drain pipe 2, the week side of wash pipe 81 corresponds the drainage hole 25 of horizontal drainage drain pipe 2 and is provided with a plurality of through-holes, and wash pipe 81's water spouts to the drainage hole 25 through the through-hole, easily washes the infiltration or the residue etc. on drainage hole 25 and the horizontal drainage drain pipe 2 inner wall, realizes the purpose of washing. When the water pipe is used, the water pipe connected with external water is directly communicated with the flushing water pipe 81, so that the purpose of cleaning the transverse drainage structure can be achieved, and the maintenance difficulty of staff is reduced.
When the flushing device 8 is applied to a drainage system, the step g of the installation and drainage method of the bridge floor drainage system is specifically as follows: clear up horizontal drainage channel 26, the inside infiltration of bridge deck pavement can get into drainage channel 26 through the wash port 25 of horizontal drainage drain pipe 2, through the washing of washing unit 8, will remain at the inside residue of horizontal drainage drain pipe 2 and infiltration wash down to drainage channel 26 to flow through drain pipe 6 drainage to sedimentation tank 7 under the rivers impact of wash pipe 81, deposit through sedimentation tank 7 and detect qualified after, discharge through outlet pipe 72.
In another preferred embodiment, in order to increase the washing force, a plurality of rotary spray heads 83 are connected to the outer peripheral side of the washing water pipe 81, the plurality of rotary spray heads 83 are provided to the drain holes 25, a good washing effect is achieved by using the rotary spray heads 83, and a high pressure rotary spray head of the related art may be used.
According to the invention, the installation method of the transverse drainage drain pipe 2 is fused to the pouring process of the bridge, and the transverse drainage drain pipe 2 is directly arranged in the bridge, so that the safety and stability are better, and the integrity of the bridge can be maintained without additional grooving installation; the water seepage in the bridge can enter the drainage channel 26 through the drainage holes 25 of the transverse drainage drain pipe 2, and then is drained from the two sides of the bridge along the drainage channel 26, so that the bridge has better drainage performance; next, the drain passage 26 can be flushed by connecting the flushing water pipe 81 with low-pressure water externally connected thereto, and clogging of the drain hole 25 and the drain passage 26 can be avoided. Overall, drainage system has the pollution nature that reduces the infiltration and does benefit to the advantage of environmental protection, and the washing unit 8 can be better wash the residue in the drainage structure, avoids blockking up, does benefit to the maintenance drainage structure, improves the durability of bridge, also can reduce the intensity of labour that the staff maintained.
The foregoing description is directed to the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the invention, and all equivalent changes or modifications made under the technical spirit of the present invention should be construed to fall within the scope of the present invention.
Claims (5)
1. The bridge deck transverse drainage structure is characterized by comprising a leveling layer (1) above a pouring main beam, a plurality of transverse drainage leakage pipes (2), a waterproof layer (3) and an asphalt concrete pavement layer (4); the transverse drainage leakage pipes (2) are sequentially paved on the leveling layer (1) along the transverse direction perpendicular to the length direction of the bridge, and the transverse drainage leakage pipes (2) are connected and arranged at one side of the high point of the side longitudinal slope of the bridge expansion joint; the transverse drain pipe (2) is provided with a drain channel (26) and a plurality of drain holes (25);
the waterproof layer (3) is arranged on one side of the transverse drainage leakage pipe (2) far away from the bridge expansion joint, and the plane of the waterproof layer (3) is arranged in parallel with the bridge deck; the asphalt concrete pavement layer (4) is paved on the transverse drainage drain pipe (2) and the waterproof layer (3) after the transverse drainage drain pipe (2) and the waterproof layer (3) are paved, and is used as a bridge surface layer;
the transverse drainage drain pipe (2) comprises a base substrate (21) and a plurality of supporting tops (24) arranged on the base substrate (21), the supporting tops (24) are fixed on the surface of the base substrate (21) at equal intervals along the length or width direction of the base substrate (21), drainage channels (26) are formed between the supporting tops (24) and the base substrate (21), and a plurality of drainage holes (25) are uniformly formed in the periphery of the supporting tops (24); the whole supporting top (24) is in a semicircular cylinder shape; the two ends of the bottom base plate (21) are outwards folded along the direction of the supporting top (24) to form an adjusting plate (23); the bottom base plate (21) of the transverse drainage drain pipe (2) is fixed on the leveling layer (1), and the waterproof layer (3) is arranged close to the side part of the transverse drainage drain pipe (2) and is attached to the adjusting plate (23);
the drain passage (26) and the drain hole (25) are filled with a gel-like filler capable of being discharged from the drain passage (26) and the drain hole (25) under the impact of an external water flow.
2. The bridge floor transverse drainage structure according to claim 1, wherein the colloidal filler is a sediment mixture, and the transverse drainage drain (2) is a drainage drain made of galvanized and corrosion-resistant steel.
3. A bridge deck drainage system, comprising:
the drainage structure is used for collecting and discharging the bridge deck, and the drainage structure is molded on the bridge deck for pouring;
the sedimentation tank (7), the sedimentation tank (7) is communicated with a drainage structure through a drain pipe (6), asphalt layer water seepage enters the sedimentation tank (7) through the drain pipe (6) under the flushing of external low-pressure water, and the asphalt layer water seepage is discharged to the water seepage after sedimentation treatment and detection qualification of the sedimentation tank (7);
the flushing device (8) is communicated with the drainage structure, and the flushing device (8) is used for flushing the transverse drainage drain pipe (2); the flushing device (8) comprises a flushing water pipe (81) and a plurality of rotary spray heads (83) fixed on the flushing water pipe (81); the flushing water pipe (81) is suspended between the drainage channels (26) of the transverse drainage drain pipe (2) through the fixing frame (82), and the axial direction of the flushing water pipe is parallel to the length direction of the transverse drainage drain pipe (2); the plurality of rotary spray heads (83) are arranged on the periphery of the flushing water pipe (81) along the axial direction of the flushing water pipe (81), and the plurality of rotary spray heads (83) are arranged corresponding to the water drain holes (25) of the transverse water drain pipe (2);
wherein the drainage structure adopts the bridge deck transverse drainage structure as claimed in any one of the claims 1-2.
4. A bridge deck drainage system according to claim 3, characterized in that the sedimentation tank (7) is buried under the ground of the bridge deck, and a water inlet pipe (71) for communicating the water outlet pipe (6) with the interior of the sedimentation tank (7) is arranged on the side wall of the sedimentation tank (7); the sedimentation tank (7) is provided with a water outlet pipe (72) for discharging water in the tank on the other side wall opposite to the water inlet pipe (71), and the top wall of the sedimentation tank (7) is provided with an exhaust hole and an inspection manhole (76).
5. A method of installing and draining a deck drainage system according to claim 4, comprising the steps of:
a. after the bridge abutment construction is finished, constructing a girder, reserving an expansion joint reserved groove (5) in the construction process, and pouring a leveling layer (1) of the girder;
b. filling the filler of the sediment mixture into a drain hole (25) of the transverse drain pipe (2) and a drain pipe (6) thereof in advance;
c. a plurality of transverse drainage leakage pipes (2) are sequentially arranged on the leveling layer (1) along the bridge floor in a transverse assembling mode, the plurality of transverse drainage leakage pipes (2) form a group of drainage structures crossing the bridge floor, and the plurality of transverse drainage structures can be connected and fixed in a welding mode;
d. after the transverse drainage structure is installed, concrete of the leveling layer (1) is poured, after the concrete of the leveling layer (1) forms strength, the bottom base plate (21) and the mounting plate (22) at the bottom of the transverse drainage drain pipe (2) are connected with the leveling layer (1) into a whole, so that the transverse drainage drain pipe (2) is fixed on the leveling layer (1);
e. the waterproof layer (3) is paved through the adjusting plate (23) folded on the base substrate (21), and the installation of the waterproof layer (3) is completed; then, paving excessive asphalt concrete on the waterproof layer (3) and the transverse drainage drain pipe (2), and filling and compacting the expansion joint reserved groove (5) together to form an asphalt concrete paving layer (4) as a bridge deck;
f. pouring expansion joint anchoring concrete after the expansion joint is installed and fixed, and flushing out a pasty gelatinous filler along a transverse drainage leakage pipe (2) by using low-pressure water outside a bridge side guardrail;
g. clear up horizontal drainage channel (26), inside infiltration of bridge deck pavement can get into drainage channel (26) through the wash port (25) of horizontal drainage drain pipe (2), and the infiltration is through drain pipe (6) drainage to sedimentation tank (7), deposits through sedimentation tank (7) and detect qualified back, discharges through outlet pipe (72).
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