CN108978502A - A kind of induction type roadbed transverse drainage construction method - Google Patents
A kind of induction type roadbed transverse drainage construction method Download PDFInfo
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- CN108978502A CN108978502A CN201810913466.9A CN201810913466A CN108978502A CN 108978502 A CN108978502 A CN 108978502A CN 201810913466 A CN201810913466 A CN 201810913466A CN 108978502 A CN108978502 A CN 108978502A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
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Abstract
The invention discloses a kind of induction type roadbed transverse drainage construction methods, comprising the following steps: S1, construction material and mechanical preparation, S2, excavation of foundation pit, S3, mortar flag stone, S4, pipe laying, S5, concreting, S51, formwork erection, S52, concrete stirring, S53, concrete transport, S54, concrete drop, S55, concrete placings, S56, concrete curing, S57, demoulding.The induction type roadbed transverse drainage construction method, in the case where not changing existing highway road structure, pass through setting 100 Water penetrative flexible pipe of Φ and Φ 110HDPE transverse drain, after rainy season rainfall is larger, rainwater penetrates into roadbed, roadbed internal water can pass through 100 Water penetrative flexible pipe of Φ and the outflow of Φ 110HDPE transverse drain；The induction type roadbed transverse drainage construction method can effectively reduce the destruction of road structure caused by rain infiltration, be particularly suitable for summer short-term rainfall is big, the volume of traffic is big, can not close traffic be transformed on a large scale, the wet soft no side slope protection highway of the unsmooth subgrade soils of roadbed local draining.
Description
Technical field
The present invention relates to a kind of embankment drainage system technical field, specifically a kind of induction type roadbed transverse drainage construction party
Method.
Background technique
With social progress and economic rapid development, the construction of the communication in China especially highway is obtained
Achievement highly visible.However due to various factors, has there is different degrees of disease in the highway that operation has been put into
Evil, wherein disease caused by roadbed damaged or destroyed by flood is particularly acute.Subgrade drainage design is a more complicated job, and every highway is all
Have the geographical environment of own, be related to along natural stream networks, field irrigation, environmental protection and water and soil conservation etc. a series of ask
Topic, subgrade drainage design it is unreasonable, often can not embody its serious consequence at completion of works initial stage, but pushing away with the time
The problem of shifting, design is worked as, can gradually show.Therefore, one kind is needed under conditions of not influencing to cover structure, is
Built roadbed adds the technology of transverse drainage facility.
Summary of the invention
The purpose of the present invention is to provide a kind of induction type roadbed transverse drainage construction methods, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of induction type roadbed transverse drainage construction method, comprising the following steps:
S1, construction material and mechanical preparation: construction material includes 100 Water penetrative flexible pipe of Φ, Φ 110HDPE transverse drain and coagulation
Soil；Construction machinery includes that 220 type road roller 1, electrorammer 1, red rock are built in SD16L bull-dozer 1, GR180 land leveller 1, Lip river
Buddha's warrior attendant dumper 1, concrete tank 1, zl50 loader 1,1, excavator, 1, sprinkling truck, GPT3002LND whole station
1, instrument, NAL124 level 1 and 1 set of generating set；
S2, excavation of foundation pit: according to surveying setting-out and the position of central axis control stake, each central axis first is bundled in nylon wire
It is firmly tensed in line traffic control stake and determines that control line is excavated on both sides according to underdrain cross dimensions, then use lime edge on former road surface
Control line spills an excavation line, mini-excavator excavation pit is used according to excavation line, with small-sized ramming after excavation of foundation pit
Machine tamps substrate, and measures substrate elevation；
S3, mortar flag stone: slabstone should be layered masonry；
S4, pipe laying: Φ 110HDPE pipe is installed in the foundation pit of excavation, pipeline is put into bottom of foundation ditch center, is being dug
The Φ 110HDPE pipe of square section setting, must protrude into roadbed gutter 5cm, exit is covered with galvanized wire, prevents silt from entering pipe
Road；Embankment section transverse drain is connected to side slope, and exit portion stretches out 5cm, prevents from blocking；
S5, concreting:
S51, formwork erection: after excavation of foundation pit acceptance(check), before concreting, template installation is carried out by structures size；
S52, concrete stirring: the concrete that structures pour will be used for and be stirred；
S53, concrete transport: work point is transported to from mixing station with mixer truck；
S54, concrete drop: concrete, which drops, to be carried out by chute, elephant trunk or vibrating spout；
S55, concrete placings: concreting is layered according to the planform of concrete, discharge way and vibrating method situation, sequence
It pours；
S56, concrete curing: concrete placings are completed, and after concrete initial set, should carry out water seasoning, curing time is no less than 7 days；
S57, demoulding: concrete reach after some strength can form removal, to accelerate the turnover of template.
As a further solution of the present invention: in S3, the slabstone forms a working lining, each work with layer 2-3 building block
The horizontal joint of layer is levelling.
As further scheme of the invention: in S3, each working lining perps is mutually staggered, and must not be penetrated through.
As further scheme of the invention: in S4, the Φ 110HDPE length of tube in the embankment section is 13.6m/
Road, the Φ 100PVC length of tube in excavation section are the road 12.3m/.
As further scheme of the invention: in S52, the concrete stirring is all made of mechanical stirring, must not employment
Work is mixed and stirred.
As further scheme of the invention: in S53, the concrete horizontal transport near the building site uses trolley
Or diesel dumper is transported, concrete vertical transport is transported using crane.
As further scheme of the invention: in S57, the striking time is 8-10 days.
Compared with prior art, the beneficial effects of the present invention are:
1, the induction type roadbed transverse drainage construction method passes through setting in the case where not changing existing highway road structure
100 Water penetrative flexible pipe of Φ and Φ 110HDPE transverse drain, after rainy season rainfall is larger, rainwater penetrates into roadbed, roadbed internal water
It can be flowed out by 100 Water penetrative flexible pipe of Φ and Φ 110HDPE transverse drain.
2, the induction type roadbed transverse drainage construction method can effectively reduce the destruction of road structure caused by rain infiltration,
Be particularly suitable for summer short-term rainfall is big, the volume of traffic is big, can not close traffic be transformed on a large scale, roadbed local draining not
The wet soft no side slope protection highway of smooth subgrade soils.
Detailed description of the invention
Fig. 1 is the construction flow chart of induction type roadbed transverse drainage construction method.
Fig. 2 is the process flow chart of concreting in induction type roadbed transverse drainage construction method.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of induction type roadbed transverse drainage construction method referring to FIG. 1-2, comprising the following steps:
S1, construction material and mechanical preparation: construction material includes 100 Water penetrative flexible pipe of Φ, Φ 110HDPE transverse drain, coagulation
Soil；Construction machinery includes that 220 type road roller 1, electrorammer 1, red rock are built in SD16L bull-dozer 1, GR180 land leveller 1, Lip river
Buddha's warrior attendant dumper 1, concrete tank 1, zl50 loader 1,1, excavator, 1, sprinkling truck, GPT3002LND whole station
1, instrument, NAL124 level 1 and 1 set of generating set；
S2, excavation of foundation pit: according to surveying setting-out and the position of central axis control stake, each central axis first is bundled in nylon wire
It is firmly tensed in line traffic control stake and determines that control line is excavated on both sides according to underdrain cross dimensions, then use lime edge on former road surface
Control line spills an excavation line, mini-excavator excavation pit is used according to excavation line, with small-sized ramming after excavation of foundation pit
Machine tamps substrate, and measures substrate elevation；
S3, mortar flag stone: slabstone should be layered masonry, and slabstone forms a working lining with 2 layers of building block, and the horizontal joint of each working lining is answered
Substantially levelling, each working lining perps mutually staggers, and must not penetrate through；
S4, pipe laying: Φ 110HDPE pipe is installed in the foundation pit of excavation, pipeline is put into bottom of foundation ditch center, is being dug
The Φ 110HDPE pipe of square section setting, must protrude into roadbed gutter 5cm, exit is covered with galvanized wire, prevents silt from entering pipe
Road；Embankment section transverse drain is connected to side slope, and exit portion stretches out 5cm, prevents from blocking, the Φ 110HDPE pipe range in embankment section
Degree is the road 13.6m/, and the Φ 100PVC length of tube in excavation section is the road 12.3m/；
S5, concreting:
S51, formwork erection: after excavation of foundation pit acceptance(check), before concreting, template installation should be carried out by structures size；
S52, concrete stirring: will be used for the concrete that structures pour and be stirred, and concrete stirring is all made of mechanical stirring, must not
Manually mixed and stirred；
S53, concrete transport: being transported to work point from mixing station with mixer truck, the transport of concrete horizontal near building site using trolley or
Diesel dumper is transported, and concrete vertical transport is transported using crane；
S54, concrete drop: concrete, which drops, to be carried out by chute, elephant trunk or vibrating spout；
S55, concrete placings: situations such as concreting should be according to the planform of concrete, discharge way and vibrating method, sequence
Placement layer by layer；
S56, concrete curing: concrete placings are completed, and after concrete initial set, should carry out water seasoning, curing time is no less than 7 days；
S57, demoulding: concrete reach after some strength can form removal, to accelerate the turnover of template, striking time is 8 days.
Embodiment 2
A kind of induction type roadbed transverse drainage construction method referring to FIG. 1-2, comprising the following steps:
S1, construction material and mechanical preparation: construction material includes 100 Water penetrative flexible pipe of Φ, Φ 110HDPE transverse drain, coagulation
Soil；Construction machinery includes that 220 type road roller 1, electrorammer 1, red rock are built in SD16L bull-dozer 1, GR180 land leveller 1, Lip river
Buddha's warrior attendant dumper 1, concrete tank 1, zl50 loader 1,1, excavator, 1, sprinkling truck, GPT3002LND whole station
1, instrument, NAL124 level 1 and 1 set of generating set；
S2, excavation of foundation pit: according to surveying setting-out and the position of central axis control stake, each central axis first is bundled in nylon wire
It is firmly tensed in line traffic control stake and determines that control line is excavated on both sides according to underdrain cross dimensions, then use lime edge on former road surface
Control line spills an excavation line, mini-excavator excavation pit is used according to excavation line, with small-sized ramming after excavation of foundation pit
Machine tamps substrate, and measures substrate elevation；
S3, mortar flag stone: slabstone should be layered masonry, and slabstone forms a working lining with 2 layers of building block, and the horizontal joint of each working lining is answered
Substantially levelling, each working lining perps mutually staggers, and must not penetrate through；
S4, pipe laying: Φ 110HDPE pipe is installed in the foundation pit of excavation, pipeline is put into bottom of foundation ditch center, is being dug
The Φ 110HDPE pipe of square section setting, must protrude into roadbed gutter 5cm, exit is covered with galvanized wire, prevents silt from entering pipe
Road；Embankment section transverse drain is connected to side slope, and exit portion stretches out 5cm, prevents from blocking, the Φ 110HDPE pipe range in embankment section
Degree is the road 13.6m/, and the Φ 100PVC length of tube in excavation section is the road 12.3m/；
S5, concreting:
S51, formwork erection: after excavation of foundation pit acceptance(check), before concreting, template installation should be carried out by structures size；
S52, concrete stirring: will be used for the concrete that structures pour and be stirred, and concrete stirring is all made of mechanical stirring, must not
Manually mixed and stirred；
S53, concrete transport: being transported to work point from mixing station with mixer truck, the transport of concrete horizontal near building site using trolley or
Diesel dumper is transported, and concrete vertical transport is transported using crane；
S54, concrete drop: concrete, which drops, to be carried out by chute, elephant trunk or vibrating spout；
S55, concrete placings: situations such as concreting should be according to the planform of concrete, discharge way and vibrating method, sequence
Placement layer by layer；
S56, concrete curing: concrete placings are completed, and after concrete initial set, should carry out water seasoning, curing time is no less than 7 days；
S57, demoulding: concrete reach after some strength can form removal, to accelerate the turnover of template, striking time is 9 days.
Embodiment 3
A kind of induction type roadbed transverse drainage construction method referring to FIG. 1-2, comprising the following steps:
S1, construction material and mechanical preparation: construction material includes 100 Water penetrative flexible pipe of Φ, Φ 110HDPE transverse drain, coagulation
Soil；Construction machinery includes that 220 type road roller 1, electrorammer 1, red rock are built in SD16L bull-dozer 1, GR180 land leveller 1, Lip river
Buddha's warrior attendant dumper 1, concrete tank 1, zl50 loader 1,1, excavator, 1, sprinkling truck, GPT3002LND whole station
1, instrument, NAL124 level 1 and 1 set of generating set；
S2, excavation of foundation pit: according to surveying setting-out and the position of central axis control stake, each central axis first is bundled in nylon wire
It is firmly tensed in line traffic control stake and determines that control line is excavated on both sides according to underdrain cross dimensions, then use lime edge on former road surface
Control line spills an excavation line, mini-excavator excavation pit is used according to excavation line, with small-sized ramming after excavation of foundation pit
Machine tamps substrate, and measures substrate elevation；
S3, mortar flag stone: slabstone should be layered masonry, and slabstone forms a working lining with 2 layers of building block, and the horizontal joint of each working lining is answered
Substantially levelling, each working lining perps mutually staggers, and must not penetrate through；
S4, pipe laying: Φ 110HDPE pipe is installed in the foundation pit of excavation, pipeline is put into bottom of foundation ditch center, is being dug
The Φ 110HDPE pipe of square section setting, must protrude into roadbed gutter 5cm, exit is covered with galvanized wire, prevents silt from entering pipe
Road；Embankment section transverse drain is connected to side slope, and exit portion stretches out 5cm, prevents from blocking, the Φ 110HDPE pipe range in embankment section
Degree is the road 13.6m/, and the Φ 100PVC length of tube in excavation section is the road 12.3m/；
S5, concreting:
S51, formwork erection: after excavation of foundation pit acceptance(check), before concreting, template installation should be carried out by structures size；
S52, concrete stirring: will be used for the concrete that structures pour and be stirred, and concrete stirring is all made of mechanical stirring, must not
Manually mixed and stirred；
S53, concrete transport: being transported to work point from mixing station with mixer truck, the transport of concrete horizontal near building site using trolley or
Diesel dumper is transported, and concrete vertical transport is transported using crane；
S54, concrete drop: concrete, which drops, to be carried out by chute, elephant trunk or vibrating spout；
S55, concrete placings: situations such as concreting should be according to the planform of concrete, discharge way and vibrating method, sequence
Placement layer by layer；
S56, concrete curing: concrete placings are completed, and after concrete initial set, should carry out water seasoning, curing time is no less than 7 days；
S57, demoulding: concrete reach after some strength can form removal, to accelerate the turnover of template, striking time 10
It.
Embodiment 4
A kind of induction type roadbed transverse drainage construction method referring to FIG. 1-2, comprising the following steps:
S1, construction material and mechanical preparation: construction material includes 100 Water penetrative flexible pipe of Φ, Φ 110HDPE transverse drain, coagulation
Soil；Construction machinery includes that 220 type road roller 1, electrorammer 1, red rock are built in SD16L bull-dozer 1, GR180 land leveller 1, Lip river
Buddha's warrior attendant dumper 1, concrete tank 1, zl50 loader 1,1, excavator, 1, sprinkling truck, GPT3002LND whole station
1, instrument, NAL124 level 1 and 1 set of generating set；
S2, excavation of foundation pit: according to surveying setting-out and the position of central axis control stake, each central axis first is bundled in nylon wire
It is firmly tensed in line traffic control stake and determines that control line is excavated on both sides according to underdrain cross dimensions, then use lime edge on former road surface
Control line spills an excavation line, mini-excavator excavation pit is used according to excavation line, with small-sized ramming after excavation of foundation pit
Machine tamps substrate, and measures substrate elevation；
S3, mortar flag stone: slabstone should be layered masonry, and slabstone forms a working lining with 3 layers of building block, and the horizontal joint of each working lining is answered
Substantially levelling, each working lining perps mutually staggers, and must not penetrate through；
S4, pipe laying: Φ 110HDPE pipe is installed in the foundation pit of excavation, pipeline is put into bottom of foundation ditch center, is being dug
The Φ 110HDPE pipe of square section setting, must protrude into roadbed gutter 5cm, exit is covered with galvanized wire, prevents silt from entering pipe
Road；Embankment section transverse drain is connected to side slope, and exit portion stretches out 5cm, prevents from blocking, the Φ 110HDPE pipe range in embankment section
Degree is the road 13.6m/, and the Φ 100PVC length of tube in excavation section is the road 12.3m/；
S5, concreting:
S51, formwork erection: after excavation of foundation pit acceptance(check), before concreting, template installation should be carried out by structures size；
S52, concrete stirring: will be used for the concrete that structures pour and be stirred, and concrete stirring is all made of mechanical stirring, must not
Manually mixed and stirred；
S53, concrete transport: being transported to work point from mixing station with mixer truck, the transport of concrete horizontal near building site using trolley or
Diesel dumper is transported, and concrete vertical transport is transported using crane；
S54, concrete drop: concrete, which drops, to be carried out by chute, elephant trunk or vibrating spout；
S55, concrete placings: situations such as concreting should be according to the planform of concrete, discharge way and vibrating method, sequence
Placement layer by layer；
S56, concrete curing: concrete placings are completed, and after concrete initial set, should carry out water seasoning, curing time is no less than 7 days；
S57, demoulding: concrete reach after some strength can form removal, to accelerate the turnover of template, striking time 10
It.
Embodiment 5
A kind of induction type roadbed transverse drainage construction method referring to FIG. 1-2, comprising the following steps:
S1, construction material and mechanical preparation: construction material includes 100 Water penetrative flexible pipe of Φ, Φ 110HDPE transverse drain, coagulation
Soil；Construction machinery includes that 220 type road roller 1, electrorammer 1, red rock are built in SD16L bull-dozer 1, GR180 land leveller 1, Lip river
Buddha's warrior attendant dumper 1, concrete tank 1, zl50 loader 1,1, excavator, 1, sprinkling truck, GPT3002LND whole station
1, instrument, NAL124 level 1 and 1 set of generating set；
S2, excavation of foundation pit: according to surveying setting-out and the position of central axis control stake, each central axis first is bundled in nylon wire
It is firmly tensed in line traffic control stake and determines that control line is excavated on both sides according to underdrain cross dimensions, then use lime edge on former road surface
Control line spills an excavation line, mini-excavator excavation pit is used according to excavation line, with small-sized ramming after excavation of foundation pit
Machine tamps substrate, and measures substrate elevation；
S3, mortar flag stone: slabstone should be layered masonry, and slabstone forms a working lining with 3 layers of building block, and the horizontal joint of each working lining is answered
Substantially levelling, each working lining perps mutually staggers, and must not penetrate through；
S4, pipe laying: Φ 110HDPE pipe is installed in the foundation pit of excavation, pipeline is put into bottom of foundation ditch center, is being dug
The Φ 110HDPE pipe of square section setting, must protrude into roadbed gutter 5cm, exit is covered with galvanized wire, prevents silt from entering pipe
Road；Embankment section transverse drain is connected to side slope, and exit portion stretches out 5cm, prevents from blocking, the Φ 110HDPE pipe range in embankment section
Degree is the road 13.6m/, and the Φ 100PVC length of tube in excavation section is the road 12.3m/；
S5, concreting:
S51, formwork erection: after excavation of foundation pit acceptance(check), before concreting, template installation should be carried out by structures size；
S52, concrete stirring: will be used for the concrete that structures pour and be stirred, and concrete stirring is all made of mechanical stirring, must not
Manually mixed and stirred；
S53, concrete transport: being transported to work point from mixing station with mixer truck, the transport of concrete horizontal near building site using trolley or
Diesel dumper is transported, and concrete vertical transport is transported using crane；
S54, concrete drop: concrete, which drops, to be carried out by chute, elephant trunk or vibrating spout；
S55, concrete placings: situations such as concreting should be according to the planform of concrete, discharge way and vibrating method, sequence
Placement layer by layer；
S56, concrete curing: concrete placings are completed, and after concrete initial set, should carry out water seasoning, curing time is no less than 7 days；
S57, demoulding: concrete reach after some strength can form removal, to accelerate the turnover of template, striking time is 8 days.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (7)
1. a kind of induction type roadbed transverse drainage construction method, which comprises the following steps:
S1, construction material and mechanical preparation: construction material includes 100 Water penetrative flexible pipe of Φ, Φ 110HDPE transverse drain and coagulation
Soil；Construction machinery includes that 220 type road roller 1, electrorammer 1, red rock are built in SD16L bull-dozer 1, GR180 land leveller 1, Lip river
Buddha's warrior attendant dumper 1, concrete tank 1, zl50 loader 1,1, excavator, 1, sprinkling truck, GPT3002LND whole station
1, instrument, NAL124 level 1 and 1 set of generating set；
S2, excavation of foundation pit: according to surveying setting-out and the position of central axis control stake, each central axis first is bundled in nylon wire
It is firmly tensed in line traffic control stake and determines that control line is excavated on both sides according to underdrain cross dimensions, then use lime edge on former road surface
Control line spills an excavation line, mini-excavator excavation pit is used according to excavation line, with small-sized ramming after excavation of foundation pit
Machine tamps substrate, and measures substrate elevation；
S3, mortar flag stone: slabstone should be layered masonry；
S4, pipe laying: Φ 110HDPE pipe is installed in the foundation pit of excavation, pipeline is put into bottom of foundation ditch center, is being dug
The Φ 110HDPE pipe of square section setting, must protrude into roadbed gutter 5cm, exit is covered with galvanized wire, embankment section transverse drain
It is connected to side slope, exit portion stretches out 5cm；
S5, concreting:
S51, formwork erection: after excavation of foundation pit acceptance(check), before concreting, template installation is carried out by structures size；
S52, concrete stirring: the concrete that structures pour will be used for and be stirred；
S53, concrete transport: work point is transported to from mixing station with mixer truck；
S54, concrete drop: concrete, which drops, to be carried out by chute, elephant trunk or vibrating spout；
S55, concrete placings: concreting is layered according to the planform of concrete, discharge way and vibrating method situation, sequence
It pours；
S56, concrete curing: concrete placings are completed, and after concrete initial set, carry out water seasoning, curing time is no less than 7 days；
S57, demoulding: concrete reaches after some strength form removal again.
2. induction type roadbed transverse drainage construction method according to claim 1, which is characterized in that in S3, the slabstone
A working lining is formed with layer 2-3 building block, the horizontal joint of each working lining is levelling.
3. induction type roadbed transverse drainage construction method according to claim 2, which is characterized in that in S3, each work
Make layer perps to mutually stagger, must not penetrate through.
4. induction type roadbed transverse drainage construction method according to claim 1 to 3, which is characterized in that in S4, institute
The Φ 110HDPE length of tube for stating embankment section is the road 13.6m/, and the Φ 100PVC length of tube in excavation section is the road 12.3m/.
5. induction type roadbed transverse drainage construction method according to claim 4, which is characterized in that in S52, the coagulation
Soil stirring is all made of mechanical stirring, must not manually be mixed and stirred.
6. induction type roadbed transverse drainage construction method according to claim 5, which is characterized in that in S53, the building site
Neighbouring concrete horizontal transport is transported using trolley or diesel dumper, and concrete vertical transport is transported using crane.
7. induction type roadbed transverse drainage construction method according to claim 6, which is characterized in that in S57, the demoulding
Time is 8-10 days.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810913466.9A CN108978502A (en) | 2018-08-13 | 2018-08-13 | A kind of induction type roadbed transverse drainage construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810913466.9A CN108978502A (en) | 2018-08-13 | 2018-08-13 | A kind of induction type roadbed transverse drainage construction method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256684A (en) * | 2015-09-08 | 2016-01-20 | 河南万里路桥集团股份有限公司 | Embankment transverse draining construction method |
| CN205134481U (en) * | 2015-10-14 | 2016-04-06 | 山东省交通规划设计院 | Highway superelevation excavation highway section hydrocone type drainage system |
| CN205775706U (en) * | 2016-07-01 | 2016-12-07 | 海南大学 | A kind of novel without closed median strip drainage system |
-
2018
- 2018-08-13 CN CN201810913466.9A patent/CN108978502A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256684A (en) * | 2015-09-08 | 2016-01-20 | 河南万里路桥集团股份有限公司 | Embankment transverse draining construction method |
| CN205134481U (en) * | 2015-10-14 | 2016-04-06 | 山东省交通规划设计院 | Highway superelevation excavation highway section hydrocone type drainage system |
| CN205775706U (en) * | 2016-07-01 | 2016-12-07 | 海南大学 | A kind of novel without closed median strip drainage system |
Non-Patent Citations (1)
| Title |
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| 余亮明68774083: "路面横向排水施工方案", 《百度文库》 * |
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Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |