CN203834304U - Fully-closed roadbed waterproof and drainage composite structure and roadbed structure with same - Google Patents
Fully-closed roadbed waterproof and drainage composite structure and roadbed structure with same Download PDFInfo
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- CN203834304U CN203834304U CN201420200688.3U CN201420200688U CN203834304U CN 203834304 U CN203834304 U CN 203834304U CN 201420200688 U CN201420200688 U CN 201420200688U CN 203834304 U CN203834304 U CN 203834304U
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Abstract
The utility model discloses a fully-closed roadbed waterproof and drainage composite structure. The fully-closed roadbed waterproof and drainage composite structure comprises a geogrid layer, and seamless waterproof layers are connected to the upper surface and the lower surface of the geogrid layer in a glued mode respectively; each seamless waterproof composite layer comprises more than two glass fabric layers soaked and glued by waterproof factice, wherein each glass fabric layer is formed by mutually overlapping multiple pieces of glass fabric, and all the glass fabric layers are glued into a whole through the waterproof factice. A roadbed structure comprises a foundation bed bottom layer and a roadbed foundation, and the fully-closed roadbed waterproof and drainage composite structure is laid between the foundation bed bottom layer and the roadbed foundation. The fully-closed roadbed waterproof and drainage composite structure has the advantages of being good in waterproof and drainage effect and easy to construct and having certain tensile strength, and laying length and width are not limited.
Description
Technical field
The utility model relates to the anti-water discharge technology of civil works field, is specifically related to the anti-draining composite construction of a kind of totally-enclosed roadbed and has the road structure of this composite construction.
Background technology
For various water sensitive Rock Subgrades, as expansive soil (rock) roadbed, collapsible loess subgrade, water is the main cause that causes various subgrade defects, therefore, when the design of this class roadbed and construction, must take effective measures the Moisture Damage that prevents roadbed.Being applied to now the anti-drainage measure of roadbed mainly contains: 1, in roadbed, (surface layer of subgrade bed or bottom) arranges composite geo-membrane roadbed is sealed, and avoids extraneous water source to infiltrate bedding; 2, in roadbed side, gutter is set, the various water in the external world is converged to gutter and discharge.
Because various geomembranes are subject to plant produced condition restriction, in length, impossible endless, also can not meet width of subgrade requirement at width, therefore, during actual laying, unavoidably will splice.There is no at present the antiseepage problem that reliable method solves composite geo-membrane stitching portion, composite geo-membrane also cannot well be connected with roadbed gutter simultaneously, makes extraneous water source survey infiltration roadbed from geomembrane stitching portion and gutter, causes subgrade defect.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiency that prior art exists, provide a kind of anti-drainage effect good, there is the anti-draining composite construction of totally-enclosed roadbed that certain tensile strength, laying length and width are unrestricted, be easy to construction, also corresponding provide a kind of anti-drainage effect good, be easy to the road structure that construction, lower, life-span of cost are grown.
For solving the problems of the technologies described above, the utility model provides a kind of totally-enclosed roadbed anti-draining composite construction, comprise geogrids layer, the upper and lower surface of described geogrids layer is all bonded with seamless waterproof layer, described seamless waterproof composite bed comprises and two-layerly above by waterproofing unction, soaks into bonding glass layer of cloth, each layer of glass layer of cloth mutually overlapped and forms by polylith glass-fiber-fabric, and is integral by waterproofing unction is bonding.
In above-mentioned composite construction, in each seamless waterproof layer, described two-layer above glass layer of cloth is crisscross shape stack and arranges.
In above-mentioned composite construction, the width of adjacent glass-fiber-fabric faying surface is 10cm ~ 15cm.
In above-mentioned composite construction, described geogrids layer is bonding by waterproofing unction and seamless waterproof layer, and described waterproofing unction is impregnated in described geogrids layer.
As a total technical conceive, the utility model also provides a kind of road structure, comprises bottom layer of subgrade and foundation of road bed, is equipped with the anti-draining composite construction of above-mentioned totally-enclosed roadbed between described bottom layer of subgrade and foundation of road bed.
In above-mentioned road structure, the both sides of described road structure are provided with gutter, and the anti-draining composite construction of described totally-enclosed roadbed extends in the diapire and two side of gutter.
In above-mentioned road structure, the both sides of described road structure are provided with gutter, and the anti-draining composite construction of described totally-enclosed roadbed extends in the sidewall of gutter near road structure one side.
In above-mentioned road structure, the width that the anti-draining composite construction of described totally-enclosed roadbed is arranged in described sidewall is 10 ~ 15cm.
In above-mentioned road structure, diapire and the sidewall of described gutter are concrete body.
Compared with prior art, the utility model has the advantage of:
The anti-draining composite construction of the totally-enclosed roadbed of the utility model, there is anti-drain function and can bear certain pulling force, length and the width laid are unrestricted, the anti-drainage measure of roadbed can be extended to gutter position or realize connection with gutter, solved the antiseepage problem of current composite geo-membrane stitching portion, its cost is lower, construction is also very convenient.Road structure of the present utility model has been owing to having adopted above-mentioned composite construction, have anti-drainage effect good, be easy to construction, the advantage such as cost is lower, the life-span is long.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the anti-draining composite construction of the totally-enclosed roadbed of the utility model.
Fig. 2 is the structural representation of the utility model road structure the first embodiment.
Fig. 3 is the construction process figure of the utility model road structure the first embodiment.
Fig. 4 is the partial structurtes schematic diagram of the utility model road structure the second embodiment.
Marginal data:
1, geogrids layer; 2, seamless waterproof layer; 21, waterproofing unction; 22, glass layer of cloth; 3, bottom layer of subgrade; 4, foundation of road bed; 5, gutter; 51, diapire; 52, sidewall; 6, the anti-draining composite construction of totally-enclosed roadbed.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, the anti-draining composite construction of a kind of totally-enclosed roadbed, comprise geogrids layer 1, geogrids layer 1 adopts the geo-grid that existing civil engineering is used to make, geogrids layer 1 upper, soffit is all bonded with seamless waterproof layer 2, geogrids layer 1 is bonding by waterproofing unction 21 and seamless waterproof layer 2, and waterproofing unction 21 is impregnated in geogrids layer 1, seamless waterproof layer 2 comprises and two-layerly above by waterproofing unction 21, soaks into bonding glass layer of cloth 22, each layer of glass layer of cloth 22 mutually overlapped and forms by polylith glass-fiber-fabric, and be integral by waterproofing unction 21 is bonding, thereby form holistic Waterproof structural course, waterproofing unction 21 can on-the-spot allotment also can be bought the barreled liquid repellent ointment 21 that specialized factory produces.This geogrids layer 1 upper, soffit is all bonded with the composite construction of seamless waterproof layer 2, there is anti-drain function and can bear certain pulling force, do not exist and at roadbed middle part, need the problem of overlap joint because of anti-drainage blanket short of width, length and the width of its laying are unrestricted, the anti-drainage measure of roadbed can be extended to gutter position or realize connection with gutter, can avoid because of the anti-drainage measure of traditional roadbed because of composite geo-membrane size restrictions need overlap joint, cause Shui Zi lap-joint and gutter side to infiltrate the difficult problem that roadbed causes disease, can be used for the highway to Moisture Damage sensitivity, speedway and railway bed, as expansive soil (rock) roadbed, collapsible loess subgrade etc.Its cost is lower, construction is also very convenient.
In the present embodiment, in each seamless waterproof layer 2, be equipped with 22, three layers of glass layer of cloth 22 of three layers of glass layer of cloth and be the staggered stack layout of transverse and longitudinal, and be integral by waterproofing unction 21 is bonding.In same layer glass layer of cloth 22, the width of adjacent glass-fiber-fabric faying surface is 10 ~ 15cm.During construction, after each layer of glass layer of cloth 22 completed, liquid repellent ointment 21 sprinkles, on the geogrids layer 1 laying, glass layer of cloth 22, after soaking into glass layer of cloth 22 and solidify, it are formed to the anti-draining composite construction of totally-enclosed roadbed that has anti-drain function and have certain tensile strength.In other embodiments, two-layer or four layers of above glass layer of cloth 22 also can be set in seamless waterproof layer 2.
Embodiment 2:
As shown in Figure 2, a kind of road structure, comprises bottom layer of subgrade 3 and foundation of road bed 4, is equipped with the anti-draining composite construction 6 of totally-enclosed roadbed described in embodiment 1 between bottom layer of subgrade 3 and foundation of road bed 4.The both sides of road structure are provided with gutter 5, and diapire 51 and the sidewall 52 of gutter 5 are concrete body, and the anti-draining composite construction 6 of totally-enclosed roadbed extends in the diapire 51 and two side 52 of gutter 5.Be the anti-draining composite construction 6 of totally-enclosed roadbed after stretch out the side of bottom layer of subgrade 3 and foundation of road bed 4, repave to the concrete of 5 one diapires 51 of gutter and two side 52, gutter 5 is surrounded.The present embodiment is to describe the anti-draining composite construction 6 of totally-enclosed roadbed is laid on to the bottom of road cutting type protecting embankment bedding.
The anti-draining composite construction 6 of totally-enclosed roadbed can be according to concrete roadbed design form of fracture, be laid on (bottom layer of subgrade 3 times) on foundation of road bed 4 and form totally enclosed type waterproof/drainage structure, also can be laid on bottom layer of subgrade 3, and can apply in various forms of beddings.
As shown in Figure 3, road structure of the present utility model, when Specific construction, adopts following steps,
(1) repeat to roll foundation of road bed 4, and check foundation of road bed 4 quality, until meet the requirement of filling compacting;
(2) at the both sides of foundation of road bed 4 excavation gutter 5;
(3) at the end face of foundation of road bed 4, lay three layers of glass layer of cloth 22, glass layer of cloth 22 is along horizontal and vertical staggered laying the successively of road structure, glass layer of cloth 22 is routed to diapire 51 and two sidewalls 52 of the gutter 5 having excavated simultaneously, the glass layer of cloth 22 at gutter 5 places should be an integral body with the glass layer of cloth 22 of foundation of road bed 4 end faces, does not cut off;
(4) on bottom seamless waterproof layer 2, lay geo-grid and form geogrids layer 1;
(5) repeating step (3) is laid three layers of glass layer of cloth 22 at geogrids layer 1 end face;
(6) the even sprinkle of liquid repellent ointment 21 is being laid in glass layer of cloth 22 and geogrids layer 1, during sprinkle waterproofing unction 21, foundation of road bed 4 end faces and gutter 5 places carry out simultaneously, allow waterproofing unction 21 fully soak into glass layer of cloth 22, after waterproofing unction 21 solidifies, form the anti-draining composite construction 6 of totally-enclosed roadbed;
(7) check the quality of the anti-draining composite construction 6 of totally-enclosed roadbed, qualified rear laying bottom layer of subgrade 3, then carry out subsequent processing by subgrade construction technique.
In above-mentioned work progress, the geogrids layer 1 in the anti-draining composite construction 6 of the totally-enclosed roadbed at gutter 5 places can not spread.
More than so that the anti-draining composite construction 6 of totally-enclosed roadbed is laid on foundation of road bed 4 and is described, when be laid on or bottom layer of subgrade 3 on time, construction method and flow process are constant.
Embodiment 3:
As shown in Figure 4, a kind of road structure, comprises bottom layer of subgrade 3 and foundation of road bed 4, is equipped with the anti-draining composite construction 6 of totally-enclosed roadbed described in embodiment 1 between bottom layer of subgrade 3 and foundation of road bed 4.The both sides of this road structure are provided with gutter 5, diapire 51 and the sidewall 52 of gutter 5 are concrete body, the anti-draining composite construction 6 of totally-enclosed roadbed extends in the sidewall 52 of gutter 5 near road structure one side, in the diapire 51 of gutter 5 and the sidewall 52 away from road structure one side, does not lay the anti-draining composite construction 6 of totally-enclosed roadbed.In the present embodiment, the width that the anti-draining composite construction 6 of totally-enclosed roadbed is arranged in sidewall 52 is 10cm ~ 15cm.
The construction technology of the present embodiment and embodiment's 2 is basic identical, difference is, when implementation step (3) and step (5), at foundation of road bed 4 end faces, lay in the process of glass layer of cloth 22, at the reserved wide glass-fiber-fabric of 10cm ~ 15cm of gutter 5 sides, when gutter 5 is built by laying bricks or stones, glass-fiber-fabric is imbedded in the concrete of its sidewall 52.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment.For those skilled in the art, do not departing under the utility model technical conceive prerequisite resulting improvement and conversion also should be considered as protection domain of the present utility model.
Claims (9)
1. the anti-draining composite construction of totally-enclosed roadbed, it is characterized in that: comprise geogrids layer (1), the upper and lower surface of described geogrids layer (1) is all bonded with seamless waterproof layer (2), described seamless waterproof composite bed (2) comprises and two-layerly above by waterproofing unction (21), soaks into bonding glass layer of cloth (22), each layer of glass layer of cloth (22) mutually overlapped and forms by polylith glass-fiber-fabric, and by bonding being integral of waterproofing unction (21).
2. the anti-draining composite construction of totally-enclosed roadbed according to claim 1, is characterized in that: in each seamless waterproof layer (2), described two-layer above glass layer of cloth (22) is crisscross shape stack and arranges.
3. the anti-draining composite construction of totally-enclosed roadbed according to claim 1, is characterized in that: the width of adjacent glass-fiber-fabric faying surface is 10cm ~ 15cm.
4. according to the anti-draining composite construction of totally-enclosed roadbed described in claim 1 or 2 or 3, it is characterized in that: described geogrids layer (1) is bonding by waterproofing unction (21) and seamless waterproof layer (2), and described waterproofing unction (21) is impregnated in described geogrids layer (1).
5. a road structure, comprise bottom layer of subgrade (3) and foundation of road bed (4), it is characterized in that: between described bottom layer of subgrade (3) and foundation of road bed (4), be equipped with the anti-draining composite construction of totally-enclosed roadbed (6) as described in any one in claim 1 to 4.
6. road structure according to claim 5, it is characterized in that: the both sides of described road structure are provided with gutter (5), the anti-draining composite construction of described totally-enclosed roadbed (6) extends in the diapire (51) and two side (52) of gutter (5).
7. road structure according to claim 5, it is characterized in that: the both sides of described road structure are provided with gutter (5), the anti-draining composite construction of described totally-enclosed roadbed (6) extends to gutter (5) near in the sidewall (52) of road structure one side.
8. road structure according to claim 7, is characterized in that: the width that the anti-draining composite construction of described totally-enclosed roadbed (6) is arranged in described sidewall (52) is 10 ~ 15cm.
9. according to the road structure described in claim 6 or 7 or 8, it is characterized in that: diapire (51) and the sidewall (52) of described gutter (5) are concrete body.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200688.3U CN203834304U (en) | 2014-04-24 | 2014-04-24 | Fully-closed roadbed waterproof and drainage composite structure and roadbed structure with same |
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| CN201420200688.3U CN203834304U (en) | 2014-04-24 | 2014-04-24 | Fully-closed roadbed waterproof and drainage composite structure and roadbed structure with same |
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| CN203834304U true CN203834304U (en) | 2014-09-17 |
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| CN201420200688.3U Expired - Fee Related CN203834304U (en) | 2014-04-24 | 2014-04-24 | Fully-closed roadbed waterproof and drainage composite structure and roadbed structure with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108486963A (en) * | 2018-04-27 | 2018-09-04 | 西南交通大学 | Non-fragment orbit guarded drainage subgrade bed structure and its laying method |
| CN113931025A (en) * | 2021-12-01 | 2022-01-14 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Three-dimensional drainage system and construction method thereof |
-
2014
- 2014-04-24 CN CN201420200688.3U patent/CN203834304U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108486963A (en) * | 2018-04-27 | 2018-09-04 | 西南交通大学 | Non-fragment orbit guarded drainage subgrade bed structure and its laying method |
| CN108486963B (en) * | 2018-04-27 | 2023-08-01 | 西南交通大学 | Ballastless track waterproof roadbed bed structure and paving method thereof |
| CN113931025A (en) * | 2021-12-01 | 2022-01-14 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Three-dimensional drainage system and construction method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20150424 |
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| EXPY | Termination of patent right or utility model |