CN104631312B - City expressway overpass water catchment area network type receives water system construction method - Google Patents
City expressway overpass water catchment area network type receives water system construction method Download PDFInfo
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- CN104631312B CN104631312B CN201510010806.3A CN201510010806A CN104631312B CN 104631312 B CN104631312 B CN 104631312B CN 201510010806 A CN201510010806 A CN 201510010806A CN 104631312 B CN104631312 B CN 104631312B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 239000004567 concrete Substances 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000011210 fiber-reinforced concrete Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000010426 asphalt Substances 0.000 claims description 3
- 241000521257 Hydrops Species 0.000 abstract description 8
- 206010030113 Oedema Diseases 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
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- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
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Classifications
-
- 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
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of city expressway overpass water catchment area network type and receive water system construction method, carry out as follows: first: calculate maximum charge for remittance amount according to each ring road area and ratio of slope, determine that monoblock type receives process form and the quantity of water system；Second: choose transverse direction and longitudinal direction and receive the position of water channel；3rd: after peripheral path or bridge construction complete, longitudinally, laterally monoblock type of constructing receives water system.4th step: maintenance newly-laid concrete, connection is laterally received water channel and longitudinally receives water channel, longitudinally receives water channel and municipal drainage main, accelerating the speed of draining.The present invention solved water catchment area and cannot flow into and longitudinally receive ditch and cannot be met the situation receiving water function by the hydrops of ring road drain, single receipts water system, it is to avoid both sides roads, receive the situations such as shutter grate damage.Solve the problem of residual water after road or bridge basic unit seepage, can effectively collect the rainwater of bridge floor assembling area.Can effectively extend maintenance period, drop this noise abatement, there is good social benefit.
Description
Technical field
The present invention relates to city expressway overpass technical field of construction, particularly relate to process matrix vertical curve or the Quick drainage problem of the bigger position of grade separation joint gathering ground on bridge.
Background technology
Along with the development in city, surface road resource growing tension, urban viaduct is low, easy to maintenance by its cost and surface road can form the three-dimensional plurality of advantages such as through, be increasingly being applied to the belt in city quickly, on major urban arterial highway.Requirement and the feature of municipal works due to road line style design specification so that inevitably occur on bridge that matrix vertical curve or grade separation joint etc. easily form the situation of water catchment area.
Traditional bridge drainage pattern has following three kinds:
1. increase the downpipe quantity at bridge pier column and diameter, utilize the charge for remittance of bridge horizontal wall inscription subregion shunting bridge floor；The method is the most frequently used, simple and fast, shortcoming is the problems such as line clogging, pipeline are aging, drainability is weak often occur, vertical draining is formed after causing getting rid of bridge floor hydrops or shedding, under corresponding bridge, damaging often occurs in surface road, and pedestrian, driving under bridge are caused potential safety hazard.
2. adjust longitudinal gradient, bridge floor hydrops is imported rapidly ramp location by bigger longitudinal gradient, flows to ground by ring road；The method drainage speed is fast, and effect is obvious；Shortcoming is: 1) often occurs that the pavement of road of autumn and winter season ramp location freezes, affects road safety；2) setting of ring road and the minimum point of bridge longitudinal gradient not necessarily overlap, and arrange difficulty bigger.
3. arrange and longitudinally receive waterside ditch, by buried pipeline will water collect after flow near receipts water system；Advantage is can be with Quick drainage, and shortcoming is: 1) be set to vertical structure, along with the reduction of catchment area, receives water function more and more weak, when especially bridge horizontal wall inscription is inconspicuous, often leads to hydrops and cannot be introduced into gutter and drain；2) for combination grade separation pooling zone road grade more complicated in the case of, longitudinal drainage ditch cannot use.
Summary of the invention
It is an object of the invention to provide a kind of city expressway overpass water catchment area network type and receive water system construction method, solve the easy water catchment area formed such as Urban Bridge matrix vertical curve or grade separation joint, it is impossible to use ring road drain, the problem longitudinally receiving the common process solution drainings such as ditch.
For achieving the above object, the city expressway overpass water catchment area network type receipts water system construction method of the present invention is constructed as follows:
The first step: calculate maximum charge for remittance amount according to each ring road area and ratio of slope, determines that monoblock type receives process form and the quantity of water system；
Second step: surveying setting-out, chooses transverse direction and longitudinal direction and receives the position of water channel；
3rd step: after peripheral path or bridge construction complete, longitudinally, laterally monoblock type receipts water system of constructing, this step is carried out according to following sub-step:
1) receive water channel to include receiving water channel along laterally receipts water channel and the longitudinal direction arranged along link length direction of the setting of road width direction；Laterally receiving water channel in predetermined and longitudinally receive the position excavation groove of water channel, installation foundation reinforcing bar, template, frame comb combination type are received the built-in fitting of shutter grate, are poured the first floor concrete receiving water channel；If there is mid-board on road or bridge, then receive water channel this mid-board through；
2) gradient receiving water channel is more than 1.0%, and longitudinally, laterally receipts water channel is mutually communicated, and strengthens drainability；
3) laterally receiving water channel and longitudinally receiving the middle part of the water channel comb combination type that frames up in advance and receive shutter grate, laterally receiving water channel and longitudinally receiving the both ends of water channel and install openable and receive shutter grate, fixing, leveling combination type receives shutter grate and openable receives shutter grate；
4) second layer concrete of receipts water channel is poured；
4th step: maintenance newly-laid concrete, laterally receives the communicating downstream longitudinally receipts water channel of water channel, and the downstream longitudinally receiving water channel directly connects with municipal arterial drainage, the speed of quickening draining.
In the 1st sub-step in described 3rd step: set up permeable hole in the outside laterally receiving water channel and longitudinal receipts water channel, laterally receive water channel and longitudinal road received outside water channel or the water of bridge structure asphalt surface course seepage to absorb；Permeable hole outer end is provided with anti-filter bag, and anti-filter bag is arranged in road structure layer.
In 1st and the 4th sub-step of described 3rd step, the label receiving the concrete poured at water channel main body is identical with the label of the concrete that corresponding overhead road of city agent structure is used, and not less than C40, receive the fixing concrete at shutter grate and should use steel fiber reinforced concrete, reach the purpose of anticracking.
In the 3rd little step in described 3rd step, it is respectively arranged with openable at the two ends laterally receiving water channel and longitudinal receipts water channel and receives shutter grate；Per pass is received the openable that is respectively arranged at two ends with of water channel and is received shutter grate, arranges position and should be positioned at non-driving band, it is to avoid because vehicular load frequently occurs damage；Carry out selecting the receipts shutter grate with respective carrier power according to heavy traffic load.
In described 4th step, downstream access point is the main pipe in city, receives the downstream line diameter of water system more than the cross-section of river receiving water channel.
Construction precautions:
In the first step: as it is shown on figure 3, before design, construction, should fully investigate the associated technical parameters such as the ground line gradient of water catchment area, current direction, catchment area, in order to determine that vertical, horizontal receives the sectional area of water system, quantity, position.
In 3rd step: as it is shown in figure 1, when receiving water channel and being positioned in road structure, carry out excavation construction according to common process；As in figure 2 it is shown, when receiving water system and being positioned in bridge structure, bridge main body designing unit carry out structure section design；The gradient receiving water system is not less than 1%.
In 3rd step the 1st sub-step: during first floor concreting, the label 10 in Fig. 2 show reinforcing bar, at this, one-shot forming answered by reinforcing bar, and installs when pouring first floor concrete and put in place；When having infiltration under receipts road surface, water channel both sides, arranging the anti-filter bag 11 shown in Fig. 1 and permeable hole 8 receiving outside water channel, introduce the water in receipts water channel and drain, the most preferably less than receive water channel and cross the 1/5 of water depth of section, diameter is not less than 3cm.
The base concrete poured uses normal concrete or the water-proof concrete of more than C40, pouring at the height demarcation line for the steel fiber reinforced concrete 9 in Fig. 1 and cast-in-place concrete of concrete；Concrete surface should be smooth, prevents hydrops.
Receiving the reinforcing bar of shutter grate (including that openable receives shutter grate 6 and combination type receives shutter grate 4) both sides, when first floor concreting by the most pre-buried for reinforcing bar shown in label in Fig. 2 10, the monoblock type of the most pre-buried selection receives the built-in fitting of shutter grate form；Monoblock type receives shutter grate should have the following characteristics that 1. bearing capacities should meet the requirement for bearing capacity of road；2. frame, comb are fit not openable；3. the bearing pin shown in Fig. 5 that is connected by received between shutter grate connects.
In 3rd step the 3rd article: during fixing receipts shutter grate, the road surface with both sides carries out drop-over, leveling simultaneously；The openable receipts shutter grate 6 of at least one receipts or other documents in duplicate comb formula should respectively be installed in the both sides receiving water channel, as Figure 4-Figure 7, and uses as when receiving water channel desilting；The installation of open-type receipts shutter grate is staggered at vehicle wheel trace.Openable receives the position of shutter grate 6 as shown in the label everywhere 6 in Fig. 3.
In 4th step: if the works such as retaining wall need to be passed through in the downstream receiving water channel, sleeve pipe should be set at crossing structure thing, prevent works settlement influence pipeline quality, as shown in Figure 3.Sleeve pipe is routine techniques, not shown.
Present invention have the advantage that:
1. the present invention is while proposition problem, in conjunction with existing drainage technology, investigate field condition, propose the receipts water system of a kind of network type, utilize new network formula to receive water channel, solve water catchment area and cannot flow into longitudinal situation received ditch and receipts water function cannot be met by the hydrops of ring road drain, single receipts water system.
2. when using vertical, horizontal of the present invention to receive water channel construction, receive shutter grate and receive the combination construction of water channel and have employed the construction technology of bridge expanssion joint, it is to avoid arranging in laterally receiving water channel, driving band in the past and receive well etc. and receive water system and receive water system both sides road because of occurred by the frequent load action of vehicle, receive the situations such as shutter grate damage and the driving quality that causes.
3. the setting of permeable hole makes vertical, horizontal receive water channel and not only solves the draining on road surface, also solves the problem of residual water after road or bridge basic unit seepage simultaneously, improves the service life of road.
4. owing to laterally receipts water channel is along road width setting, therefore it can block longitudinal charge for remittance on whole road surface quickly, tunneling boring, and to solving quick charge for remittance situations such as suddenly raining cats and dogs, effectiveness comparison is obvious；According to the requirement of deck transverse slope, arrange longitudinal drainage canal in bridge both sides, can effectively collect the rainwater of bridge floor assembling area.
5. receive the frame comb combination type receipts leaf grating for down pipe that water channel uses, eliminate conventional frame comb separate type and receive leaf grating for down pipe because of the noise pollution frequently caused by vehicular load, security incident；The openable arranged in receiving the non-driving in water channel end band receives leaf grating for down pipe, then meet the function receiving water channel desilting；Also substantially increase the overall quality of service of road simultaneously.
6. presentation quality, generally robust degree are all substantially improved, and more can effectively extend maintenance period, reduce maintenance cost, minimizing noise, guarantee driving comfort level and traffic safety and guarantee drainage effect, and its long-range economical, societal benefits are considerable.
Accompanying drawing explanation
Fig. 1 is that in the present invention, network type receives water channel sectional drawing；
Fig. 2 is that in the present invention, network type receives water channel arrangement of reinforcement；
Fig. 3 is that in the present invention, network type receives water channel plane graph；
Fig. 4 is the planar structure schematic diagram that single openable receives shutter grate；
Fig. 5 is the A-A sectional view of Fig. 4；
Fig. 6 is the B-B sectional view of Fig. 4；
Fig. 7 is the drawing that combination type receives that shutter grate is connected with openable receipts shutter grate；
Fig. 8 is the planar structure schematic diagram that combination type receives shutter grate；
Fig. 9 is the C-C sectional view of Fig. 8；
Figure 10 is the D-D sectional view of Fig. 8；
Figure 11 is the drawing that combination type receives that shutter grate is connected with combination type receipts shutter grate.
Detailed description of the invention
In Fig. 3, direction shown in arrow is water (flow) direction during natural drainage at this.
As shown in Figure 1 to 11, the early-stage preparations of the city expressway overpass water catchment area network type receipts water system construction method of the present invention are as follows:
Investigation need to arrange the field datas such as network type receives the catchment area of water channel alliance, vehicle flowrate, highway loading require, the municipal rainwater main pipeline access point in downstream, determines the receipts length of water channel, width, structural parameters etc. after being computed.
The construction procedure that the city expressway overpass water catchment area network type of the present invention receives water system construction method is as follows:
The first step: calculate maximum charge for remittance amount according to each ring road 1 area and ratio of slope, determines that monoblock type receives process form and the quantity of water system；
Second step: surveying setting-out, chooses and laterally receives water channel 2 and longitudinally receive the position of water channel 3；
3rd step: after peripheral path or bridge construction complete, longitudinally, laterally monoblock type receipts water system of constructing, this step is carried out according to following sub-step:
1) receive water channel to include receiving water channel 3 along laterally receipts water channel 2 and the longitudinal direction arranged along link length direction of the setting of road width direction；Laterally receiving water channel 2 in predetermined and longitudinally receive the position excavation groove of water channel 3, installation foundation reinforcing bar, template, frame comb combination type are received the built-in fitting of shutter grate 4, are poured the first floor concrete receiving water channel；If having mid-board 5 on road or bridge, then receive water channel this mid-board 5 through；
2) gradient respectively receiving water channel (including laterally receiving water channel 2 and longitudinally receiving water channel 3) is all higher than 1.0%, and longitudinally, laterally receipts water channel 3,2 is mutually communicated, and strengthens drainability；
3) laterally receiving water channel 2 and longitudinally receiving the middle part of the water channel 3 comb combination type that frames up in advance and receive shutter grate 4, laterally receiving water channel 2 and longitudinally receiving the both ends of water channel 3 and install openable and receive shutter grate 6, fixing, leveling combination type receives shutter grate 4 and openable receives shutter grate 6；
4) second layer concrete of receipts water channel is poured；
4th step: maintenance newly-laid concrete, the communicating downstream laterally receiving water channel 2 longitudinally receives water channel 3, the downstream longitudinally receiving water channel 3 directly connects with municipal arterial drainage, and Fig. 3 show longitudinal water channel 3 of receiving and is connected with the inspection shaft 7 accessing municipal drainage main, accelerates the speed of draining.
In the 1st sub-step in described 3rd step: setting up permeable hole 8 in the outside laterally receiving water channel 2 and longitudinal receipts water channel 3, permeable hole 8 protrudes into road structure layer 14, and its outer end is provided with anti-filter bag 11；Anti-filter bag is arranged in road structure layer.Permeable hole 8 is inwardly connected with laterally receipts water channel 2 or longitudinal water channel 3 of receiving.The setting of permeable hole 8, it is possible to absorb laterally receipts water channel 2 and longitudinal road received outside water channel 3 or bridge structure asphalt surface course by road structure layer 14 and leak into the water in road structure layer.
In 1st and the 4th sub-step of described 3rd step, the label receiving the concrete 13 poured at water channel main body is identical with the label of the concrete that corresponding overhead road of city agent structure is used, and not less than C40.That is: when the label of the concrete used when corresponding overhead road of city agent structure is less than C40, in the 1st and the 4th sub-step of the 3rd step, the concrete poured be numbered C40；In addition, the label of the concrete poured is identical with the label of the concrete that corresponding overhead road of city agent structure is used.Receive the fixing concrete at shutter grate and should use steel fiber reinforced concrete 9, reach the purpose of anticracking.
In the 3rd sub-step in described 3rd step, the feature that shutter grate uses frame comb combination type to receive this receipts shutter grate of shutter grate 4(of receiving receiving water channel is that to receive the frame of shutter grate, double-edged fine-toothed comb be combination type), thus solve to occur in the past receive shutter grate cannot in the road between arrange, problems such as separating the safe mass accident, the noise that cause combed by frame.
In the 3rd little step in described 3rd step, it is respectively arranged with openable at the two ends laterally receiving water channel 2 and longitudinal receipts water channel 3 and receives shutter grate 6；Per pass is received the openable that is respectively arranged at two ends with of water channel and is received the most openable movable double-edged fine-toothed comb of shutter grate 6(), position is set and should be positioned at non-driving band, it is to avoid because vehicular load frequently occurs damage；Carry out selecting the receipts shutter grate with respective carrier power according to heavy traffic load.
In described 4th step, downstream access point is the main pipe in city, receives the downstream line diameter of water system more than the cross-section of river receiving water channel.
Laterally or longitudinally receive the adnexa such as water channel and receipts shutter grate thereof and collectively constitute laterally or longitudinally receipts water system.Laterally receiving water system and longitudinal water system network consisting formula of receiving receives water system, it is whole through on its transverse section, water catchment area and receiving water system with the longitudinal direction of both sides.
In the described first step, in conjunction with water (flow) direction complicated at water catchment area, water channel is received by arranging longitudinally, laterally combination, make road horizontal wall inscription draining rely primarily on longitudinally and receive water system, road longitudinal grade draining relies primarily on water system of laterally receiving, when speedup is very fast in the charge for remittance amount short time, runs through the water system of laterally receiving of road Cross Section and can dam draining, thus reduce bridge lowest part hydrops time and water accumulating volume.
In Fig. 1, label 12 show roadbed top.
Construction precautions:
In the first step: as it is shown on figure 3, before design, construction, should fully investigate the associated technical parameters such as the ground line gradient of water catchment area, current direction, catchment area, in order to determine that vertical, horizontal receives the sectional area of water system, quantity, position.
In 3rd step: as it is shown in figure 1, when receiving water channel and being positioned in road structure, carry out excavation construction according to common process；As in figure 2 it is shown, when receiving water system and being positioned in bridge structure, bridge main body designing unit carry out structure section design；The gradient receiving water system is not less than 1%.
In 3rd step the 1st sub-step: during first floor concreting, the label 10 in Fig. 2 show reinforcing bar, at this, one-shot forming answered by reinforcing bar, and installs when pouring first floor concrete and put in place；When having infiltration under receipts road surface, water channel both sides, arranging the anti-filter bag 11 shown in Fig. 1 and permeable hole 8 receiving outside water channel, introduce the water in receipts water channel and drain, the most preferably less than receive water channel and cross the 1/5 of water depth of section, diameter is not less than 3cm.
The base concrete poured uses normal concrete or the water-proof concrete of more than C40, pouring at the height demarcation line for the steel fiber reinforced concrete 9 in Fig. 1 and cast-in-place concrete of concrete；Concrete surface should be smooth, prevents hydrops.
Receiving the reinforcing bar of shutter grate (including that openable receives shutter grate 6 and combination type receives shutter grate 4) both sides, when first floor concreting by the most pre-buried for reinforcing bar shown in label in Fig. 2 10, the monoblock type of the most pre-buried selection receives the built-in fitting of shutter grate form；Monoblock type receives shutter grate should have the following characteristics that 1. bearing capacities should meet the requirement for bearing capacity of road；2. frame, comb are fit not openable；3. the bearing pin shown in Fig. 5 that is connected by received between shutter grate connects.
In 3rd step the 3rd article: during fixing receipts shutter grate, the road surface with both sides carries out drop-over, leveling simultaneously；The openable receipts shutter grate 6 of at least one receipts or other documents in duplicate comb formula should respectively be installed in the both sides receiving water channel, as Figure 4-Figure 7, and uses as when receiving water channel desilting；The installation of open-type receipts shutter grate is staggered at vehicle wheel trace.Openable receives the position of shutter grate 6 as shown in the label everywhere 6 in Fig. 3.
In 4th step: if the works such as retaining wall need to be passed through in the downstream receiving water channel, sleeve pipe should be set at crossing structure thing, prevent works settlement influence pipeline quality, as shown in Figure 3.Sleeve pipe is routine techniques, not shown.
Above example is only in order to illustrative not limiting technical scheme, although the present invention being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still the present invention can be modified or equivalent, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (4)
1. city expressway overpass water catchment area network type receives water system construction method, constructs as follows:
The first step: calculate maximum charge for remittance amount according to each ring road area and ratio of slope, determines that monoblock type receives process form and the quantity of water system；
Second step: surveying setting-out, chooses transverse direction and longitudinal direction and receives the position of water channel；
3rd step: after peripheral path or bridge construction complete, longitudinally, laterally monoblock type receipts water system of constructing, this step is carried out according to following sub-step:
1) receive water channel to include receiving water channel along laterally receipts water channel and the longitudinal direction arranged along link length direction of the setting of road width direction；Laterally receiving water channel in predetermined and longitudinally receive the position excavation groove of water channel, installation foundation reinforcing bar, template, frame comb combination type are received the built-in fitting of shutter grate, are poured the first floor concrete receiving water channel；If there is mid-board on road or bridge, then receive water channel this mid-board through；
2) gradient receiving water channel is more than 1.0%, and longitudinally, laterally receipts water channel is mutually communicated, and strengthens drainability；
3) laterally receiving water channel and longitudinally receiving the middle part of the water channel comb combination type that frames up in advance and receive shutter grate, laterally receiving water channel and longitudinally receiving the both ends of water channel and install openable and receive shutter grate, fixing, leveling combination type receives shutter grate and openable receives shutter grate；
4) second layer concrete of receipts water channel is poured；
4th step: maintenance newly-laid concrete, laterally receives the communicating downstream longitudinally receipts water channel of water channel, and the downstream longitudinally receiving water channel directly connects with municipal arterial drainage, the speed of quickening draining.
City expressway overpass water catchment area the most according to claim 1 network type receives water system construction method, it is characterised in that:
In the 1st sub-step in described 3rd step: set up permeable hole in the outside laterally receiving water channel and longitudinal receipts water channel, laterally receive water channel and longitudinal road received outside water channel or the water of bridge structure asphalt surface course seepage to absorb；Permeable hole outer end is provided with anti-filter bag, and anti-filter bag is arranged in road structure layer.
City expressway overpass water catchment area the most according to claim 1 network type receives water system construction method, it is characterized in that: in the 1st and the 4th sub-step of described 3rd step, the label receiving the concrete poured at water channel main body is identical with the label of the concrete that corresponding overhead road of city agent structure is used, and not less than C40, receive the fixing concrete at shutter grate and should use steel fiber reinforced concrete, reach the purpose of anticracking.
City expressway overpass water catchment area the most according to claim 3 network type receives water system construction method, it is characterised in that:
In the 3rd little step in described 3rd step, it is respectively arranged with openable at the two ends laterally receiving water channel and longitudinal receipts water channel and receives shutter grate；Per pass is received the openable that is respectively arranged at two ends with of water channel and is received shutter grate, arranges position and should be positioned at non-driving band, it is to avoid because vehicular load frequently occurs damage；Carry out selecting the receipts shutter grate with respective carrier power according to heavy traffic load.
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| CN201510010806.3A CN104631312B (en) | 2015-01-09 | 2015-01-09 | City expressway overpass water catchment area network type receives water system construction method |
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| CN201510010806.3A CN104631312B (en) | 2015-01-09 | 2015-01-09 | City expressway overpass water catchment area network type receives water system construction method |
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| CN104631312B true CN104631312B (en) | 2016-08-24 |
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| CN105113619A (en) * | 2015-07-24 | 2015-12-02 | 陈新 | Method for preventing urban water logging |
| CN108166398B (en) * | 2018-02-07 | 2023-10-20 | 郑州市市政工程总公司 | Structure and process for preventing bridge hollow slab core mould from floating upwards by utilizing existing exhaust pipe drain pipe |
| CN108301851B (en) * | 2018-03-14 | 2024-07-02 | 郑州市市政工程总公司 | Construction method for non-cured adhesive waterproof layer of ultra-high tunnel side wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002294611A (en) * | 2001-03-30 | 2002-10-09 | Okuno Kogyo Kk | Drain structure for elevated road |
| CN102383373B (en) * | 2010-09-06 | 2015-11-25 | 上海市政工程设计研究总院 | Be applied to elevated bridge invisible rainwater collecting system and the method to set up thereof of flat slope |
| CN201843073U (en) * | 2010-10-15 | 2011-05-25 | 上海市城市建设设计研究院 | Drainage system of high level bridge |
| CN103088900B (en) * | 2013-03-04 | 2015-06-17 | 济南城建集团有限公司 | Prefabricated-assembled type gutter inlet and construction method thereof |
| CN203144894U (en) * | 2013-03-19 | 2013-08-21 | 新蒲建设集团有限公司 | Bridge draining device |
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