CN213328494U - Improve efficiency of construction's slate filler filled formula roadbed structure - Google Patents
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- CN213328494U CN213328494U CN202021951945.9U CN202021951945U CN213328494U CN 213328494 U CN213328494 U CN 213328494U CN 202021951945 U CN202021951945 U CN 202021951945U CN 213328494 U CN213328494 U CN 213328494U
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Abstract
The utility model relates to an improve efficiency of construction's slate filler fill formula roadbed structure of building relates to the field of road bridge construction, and it includes claystone layer, first slate filler layer, middle waterproof layer, second slate filler layer and lower seal, supreme setting gradually is down followed to claystone layer, second slate filler layer, middle waterproof layer, second slate filler layer and lower seal, the width on claystone layer is greater than the width of first slate filler layer. According to the method, the time for exposing the first slate filler layer and the second slate filler layer in the air can be shortened, the influence of rainwater weather on the first slate filler layer and the second slate filler layer is reduced, the first slate filler layer and the second slate filler layer are protected, the rework probability of the first slate filler layer and the second slate filler layer is reduced, and the construction efficiency is improved; meanwhile, rainwater is not easy to permeate into the first slate filler layer from the clay layer after permeating into the ground, and the probability of damaging the bottom of the first slate filler layer is reduced.
Description
Technical Field
The application relates to the field of road and bridge construction, in particular to a slate filler filling type roadbed structure capable of improving construction efficiency.
Background
With the continuous development of national economy, the continuous promotion of national infrastructure and the continuous improvement of national expressway networks, the problem of disposing soft rock which cannot be avoided is encountered in the road construction process. If the road base is replaced or treated, the cost of road construction is increased and the construction period is delayed. How to use soft rock as a filler, particularly ultra-soft rock as a roadbed filler, is a topic with very great theoretical and practical significance in the field of geotechnical engineering at present.
Because the slate has the characteristics of strong weathering degree, internal microcrack development, low water-meeting strength and easy expansion and disintegration, after excavation and transportation and in the process of rolling into a roadbed by a bulldozer and a road roller, particles are seriously crushed, sometimes the rolling surface layer is powdery, a mud skin phenomenon is generated under the repeated action of load after rain, and a construction sidewalk filled on site is in a driving state after rain, muddy and slurry are formed, and the settlement is serious.
At present, the announcement day is 2018 01 month 05 day, chinese utility model patent that the announcement number is CN206843873U provides a roadbed structure that slate filler was filled, it includes that a plurality of layers of layering fill compact slate packing layer and the clay layer of borduring, the clay layer of borduring is filled and is filled in the inclined plane in the both sides of slate packing layer, every slate packing layer is all taut with the bottom of the clay layer of borduring and is set up one deck geogrid, geogrid's both sides limit sets up geogrid turn-up section, geogrid turn-up section turn-ups sets up in the clay layer of borduring.
Aiming at the related technologies, the inventor thinks that when the roadbed is constructed, the slate packing layer is exposed in the air for a long time, if the slate packing layer is exposed in rain weather, the slate packing layer is easy to absorb water and disintegrate, even the slate packing layer is reworked, and the construction period is greatly prolonged.
SUMMERY OF THE UTILITY MODEL
In order to alleviate the influence of sleet weather to slate filler, this application provides a slate filler filled roadbed structure who improves efficiency of construction.
The application provides a pair of improve efficiency of construction's slate filler filled formula roadbed structure adopts following technical scheme:
the utility model provides an improve slate filler fill formula roadbed structure of building, includes claystone layer, first slate filler layer, middle waterproof layer, second slate filler layer and lower seal, claystone layer, second slate filler layer, middle waterproof layer, second slate filler layer and lower seal set gradually from supreme down, the width on claystone layer is greater than the width of first slate filler layer.
By adopting the technical scheme, when the roadbed is constructed, the clay layer is compacted, then the first slate filler layer is laid on the clay layer, then the intermediate waterproof layer is immediately laid on the first slate filler layer, then the second slate filler layer is laid on the intermediate waterproof layer, and then the lower seal layer is immediately laid on the second slate filler layer; due to the arrangement of the middle waterproof layer and the lower sealing layer, the exposure time of the first slate packing layer and the second slate packing layer in the air is shortened, the influence of rain weather on the first slate packing layer and the second slate packing layer is reduced, and the first slate packing layer and the second slate packing layer are protected; the rework probability of the first slate packing layer and the second slate packing layer is further reduced, and the construction efficiency is improved; meanwhile, the width of the claystone layer is larger than that of the first slate filler layer, so that rainwater is not easy to permeate into the first slate filler layer from the claystone layer after permeating into the ground, and the probability of damaging the bottom of the first slate filler layer is reduced.
Optionally, the first slate packing layer, the middle waterproof layer, the second slate packing layer and the lower sealing layer are all arranged along the length direction of the road in a segmented manner.
By adopting the technical scheme, when the roadbed construction is carried out, a section of first slate filler layer is laid along the length direction of a road, and then an intermediate waterproof layer is laid on the first slate filler layer, so that the exposure time of the first slate filler layer in the air is further reduced; and then, a second slate filler layer at one end is laid along the length direction of the road, and then a lower sealing layer is laid on the second slate mixer, so that the time of exposing the second slate filler layer in the air is further reduced, and the influence of rainwater weather on the first slate filler layer and the second slate filler layer is reduced.
Optionally, a first waterproof geotextile layer is laid between the first slate packing layer and the middle waterproof layer, and a second waterproof geotextile layer is laid between the second slate packing layer and the lower sealing layer.
By adopting the technical scheme, the first waterproof geotextile layer and the middle waterproof layer play a role in protecting the first slate filler layer together in rainy weather, so that the probability of water absorption and disintegration of the first slate filler layer is further reduced; the second waterproof geotextile layer and the lower sealing layer play a role in protecting the second slate packing layer together, so that the probability of water absorption and disintegration of the second slate packing layer is further reduced.
Optionally, the first waterproof geotextile layer is wider than the first slate filler layer, and both ends of the first waterproof geotextile layer in the width direction are abutted to the clay layer; the second waterproof geotechnical cloth layer is wider than the second slate packing layer, and two ends of the second waterproof geotechnical cloth layer in the width direction are abutted to the clay layer.
Through adopting above-mentioned technical scheme, first waterproof geotechnological cloth layer covers at the both ends of first slate packing layer width direction, and the waterproof geotechnological cloth layer of second covers at the both ends of second slate packing layer, so the both ends of first slate packing layer and second slate packing layer also can receive the protection, have reduced the influence of rainwater weather to the width both ends of first slate packing layer and second slate packing layer.
Optionally, first waterproof geotechnique's cloth layer, the waterproof geotechnique's cloth layer of second also are the segmentation setting, first waterproof geotechnique's cloth layer still is good at first slate packing layer, the waterproof geotechnique's cloth layer of second still is good at second slate packing layer.
Through adopting above-mentioned technical scheme, accomplish at one of them section first slate packing layer construction back alright in order to lay the first waterproof geotechnological cloth layer of one end at once, accomplish at one of them one end second slate packing layer construction back alright in order to lay the waterproof geotechnological cloth layer of one end second at once, so further reduced the time that first slate packing layer and second slate packing layer exposed in the air, reduced the influence of rainwater weather to first slate packing layer and second slate packing layer.
Optionally, one end of the first waterproof geotextile layer in the length direction is laid on the first waterproof geotextile layer at the previous section, and the other end of the first waterproof geotextile layer in the length direction is laid on the clay layer; one end of the second waterproof geotextile layer in the length direction is laid on the second waterproof geotextile layer at the previous section, and the other end of the second waterproof geotextile layer in the length direction is laid on the middle waterproof layer.
By adopting the technical scheme, after one section of the first waterproof geotechnical cloth layer is laid, the next section of the first slate packing layer can be laid, and the first waterproof geotechnical cloth layer can be tightly pressed on the clay layer by the section of the first slate packing layer; after one section of the second waterproof geotechnical cloth layer is laid, the next section of the second slate packing layer can be laid, and the second waterproof geotechnical cloth layer can be tightly pressed on the middle waterproof layer by the section of the second slate packing layer, so that the two adjacent sections of the first waterproof geotechnical cloth layers and the two adjacent sections of the second waterproof geotechnical cloth layers do not need to be sewn, construction steps are reduced, and construction efficiency is improved.
Optionally, the first slate filler layer, the middle waterproof layer, the second slate filler layer and the lower sealing layer are arranged in a staggered manner in the length direction of the road.
By adopting the technical scheme, after the road is communicated, the first slate packing layer, the middle waterproof layer, the second slate packing layer and the lower sealing layer can be stressed more uniformly, and the service life of the roadbed is prolonged; meanwhile, one end of the first waterproof geotextile layer in the length direction is laid on the first waterproof geotextile layer at the previous section, and the middle waterproof layer and the first slate packing layer are arranged in a staggered mode, so that the middle waterproof layer can be pressed on the first waterproof geotextile layer, and the influence of natural wind on the first waterproof geotextile layer is reduced.
Optionally, a third water and soil engineering cloth layer is further laid between the clay layer and the first slate filler layer, and the width of the third water and soil engineering cloth layer is wider than that of the first slate filler layer.
By adopting the technical scheme, the first slate packing layer is prevented from being penetrated by the clay layer and the third water-proofing and soil-working cloth layer after rainwater permeates into the underground, so that rainwater and underground water are not easy to permeate into the first slate packing layer from the clay layer and the third water-proofing and soil-working cloth layer, and the probability of damage to the bottom of the first slate packing layer is further reduced.
Optionally, clay layers with covered edges are further laid at two ends of the first slate packing layer, the middle waterproof layer, the second slate packing layer and the lower sealing layer in the width direction.
Through adopting above-mentioned technical scheme, the clay layer of borduring compresses tightly the both ends on first waterproof geotechnological cloth layer, the waterproof geotechnological cloth layer width direction of second, the waterproof geotechnological cloth layer of third, has improved the seal of first slate packing layer with second slate packing layer department.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the clay layer, the first slate packing layer, the middle waterproof layer, the second slate packing layer and the lower sealing layer, the exposure time of the first slate packing layer and the second slate packing layer in the air is shortened, the influence of rainwater weather on the first slate packing layer and the second slate packing layer is reduced, and the first slate packing layer and the second slate packing layer are protected; the rework probability of the first slate packing layer and the second slate packing layer is further reduced, and the construction efficiency is improved; meanwhile, the width of the claystone layer is larger than that of the first slate filler layer, so that rainwater is not easy to permeate into the first slate filler layer from the claystone layer after permeating into the ground, and the probability of damaging the bottom of the first slate filler layer is reduced;
2. through the arrangement of the first waterproof geotechnical cloth layer, the first waterproof geotechnical cloth layer and the middle waterproof layer play a role in protecting the first slate packing layer in rainy weather, so that the probability of water absorption and disintegration of the first slate packing layer is further reduced; the second waterproof geotextile layer and the lower sealing layer play a role in protecting the second slate packing layer together, so that the probability of water absorption and disintegration of the second slate packing layer is further reduced;
3. the first slate filler layer, the middle waterproof layer, the second slate filler layer and the lower sealing layer are arranged along the length direction of the road in a segmented mode, so that the exposure time of the second slate filler layer in the air is further reduced, and the influence of rain weather on the first slate filler layer and the second slate filler layer is reduced;
4. through the setting of the waterproof geotechnological cloth layer of third, carry out waterproofly by clay layer and third prevention of water geotechnological cloth layer to first slate packing layer after rainwater infiltration underground, make rainwater and groundwater be difficult for permeating first slate packing layer from clay layer and third prevention of water geotechnological cloth layer, further reduced the impaired probability in first slate packing layer bottom.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present application along the length of a roadway;
fig. 2 is a schematic cross-sectional view of a-a in fig. 1.
Description of reference numerals: 1. a clay layer; 2. a first slate filler layer; 3. an intermediate waterproof layer; 4. a second slate filler layer; 5. a lower sealing layer; 6. a first waterproof geotextile layer; 7. a second waterproof geotextile layer; 8. a third water and soil engineering cloth layer; 9. and (5) covering the edges with clay layers.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses improve efficiency of construction's slate filler filled formula roadbed structure. Referring to fig. 1, the slate filler filling type roadbed structure capable of improving the construction efficiency comprises a clay layer 1, a third waterproof geotechnical cloth layer 8, a first slate filler layer 2, a first waterproof geotechnical cloth layer 6, an intermediate waterproof layer 3, a second slate filler layer 4, a second waterproof geotechnical cloth layer 7 and a lower seal layer 5 which are sequentially laid from bottom to top. Wherein the width on clay layer 1 and third prevention water and soil engineering cloth layer 8 all is greater than the width of first slate packing layer 2, so when rainwater weather, the rainwater infiltration is difficult for passing clay layer 1 and third prevention water and soil engineering cloth layer 8 after underground again and gets into the bottom of first slate packing layer 2, and then has reduced 2 bottoms of first slate packing layer and met the impaired probability of water.
Referring to fig. 1 and 2, a first slate filler layer 2, a first waterproof geotextile layer 6, an intermediate waterproof layer 3, a second slate filler layer 4, a second waterproof geotextile layer 7 and a lower seal layer 5 are all arranged along the length direction of a road in a segmented manner; and the first slate filler layer 2, the middle waterproof layer 3, the second slate filler layer 4 and the lower seal layer 5 are arranged in a staggered manner in the length direction of the road.
During construction, the clay layer 1 is constructed firstly, then the clay layer 1 is compacted, the third waterproof and soil engineering cloth layer 8 is laid above the clay layer 1, and then the first slate filler layer 2 can be constructed; when the construction of the first slate filler layer 2 is performed, a distance is firstly constructed along the length direction of the road, then the first waterproof geotextile layer 6 is laid on the first slate filler layer 2, and the first waterproof geotextile layer 6 completely covers the first slate filler layer 2, the construction of the next section of the first slate filler layer 2 can be started after the construction of the first section of the first slate filler layer 2 and the first waterproof geotextile layer 6 is completed, and the construction of the first section of the middle waterproof layer 3 can be started at the same time.
Every section first waterproof geotechnological cloth layer 6's width direction's both ends all extend to the top of third prevention water and soil engineering cloth layer 8, first section first waterproof geotechnological cloth layer 6's length direction's both ends also all extend to the top of third prevention water and soil engineering cloth layer 8, play from second section first waterproof geotechnological cloth layer 6, back one section first waterproof geotechnological cloth layer 6 is close to the one end overlap joint of preceding one section first waterproof geotechnological cloth layer 6 on preceding one section first waterproof geotechnological cloth layer 6, one end that preceding one section first waterproof geotechnological cloth layer 6 was kept away from to back one section first waterproof geotechnological cloth layer 6 extends to the top of third prevention water and soil engineering cloth layer 8. When one section first slate packing layer 2 after the construction, one section first slate packing layer 2 of back just can compress tightly one section first waterproof geotechnological cloth layer 6 in the past on third waterproof geotechnological cloth layer 8, so just need not sew up between the first waterproof geotechnological cloth layer 6 in adjacent both ends, practiced thrift the engineering time.
The middle waterproof layer 3 can be formed by clay compaction, or laid by cement macadam, or laid by other waterproof aggregates suitable for construction; after the laying of the middle waterproof layer 3 at one end is finished, the laying of the second slate filler layer 4 can be started.
When the construction of the second slate packing layer 4 is carried out, firstly, a distance is constructed along the length direction of the road, then, the second waterproof geotechnical cloth layer 7 is laid on the second slate packing layer 4, and the second waterproof geotechnical cloth layer 7 completely covers the second slate packing layer 4, the construction of the next section of the second slate packing layer 4 can be started after the construction of the first section of the second slate packing layer 4 and the second waterproof geotechnical cloth layer 7 is finished, and the construction of the first section of the lower sealing layer 5 can be started simultaneously.
The both ends of the width direction of every section of waterproof geotechnological cloth layer 7 of second all extend to the top of third waterproof geotechnological cloth layer 8, the both ends of the length direction of first section waterproof geotechnological cloth layer 7 of second all extend to the top of middle waterproof layer 3, from first waterproof geotechnological cloth layer 6 of second section, the one end overlap joint that one section waterproof geotechnological cloth layer 7 of second of back section is close to first section waterproof geotechnological cloth layer 7 of second is on first section waterproof geotechnological cloth layer 7, the one end that one section waterproof geotechnological cloth layer 7 of second of back section is far away from first section extends to middle waterproof layer 3's top on the second of second section. When one section second slate packing layer 4 after the construction, one section second slate packing layer 4 of back just can compress tightly one section waterproof geotechnological cloth layer 7 of preceding second on middle waterproof layer 3, so just need not sew up between the adjacent both ends waterproof geotechnological cloth layer 7, has practiced thrift the engineering time.
And paving edge-covered clay layers 9 at two ends of the width direction of the first slate packing layer 2, the middle waterproof layer 3, the second slate packing layer 4 and the lower sealing layer 5 in the roadbed structure road section where the clay layer 1, the third waterproof geotechnical cloth layer 8, the first slate packing layer 2, the first waterproof geotechnical cloth layer 6, the middle waterproof layer 3, the second slate packing layer 4, the second waterproof geotechnical cloth layer 7 and the lower sealing layer 5 are all constructed. The bottom of the taping clay layer 9 is laid on the third waterproof geotechnical cloth layer 8, the taping clay layer 9 compacts the third waterproof geotechnical cloth layer 8 on the clay layer 1, and the taping clay layer 9 compresses the first waterproof geotechnical cloth layer 6 and the second waterproof geotechnical cloth layer 7 on the third waterproof geotechnical cloth layer 8.
The implementation principle of the slab rock filler filling type roadbed structure for improving the construction efficiency is as follows:
when the roadbed is paved, firstly, a clay layer 1 is compacted, a third water and soil engineering cloth layer 8 is paved above the clay layer 1, and then a first slate filler layer 2 is paved above the third water and soil engineering cloth layer 8; the clay layer 1 and the third waterproof geotechnical cloth layer 8 play a role in preventing water at the lower part of the first slate filler layer 2, so that rainwater can permeate to the first slate filler layer 2 from the underground in rainy days, and the probability that the first slate filler layer 2 is disintegrated when encountering water is reduced; then, a first waterproof geotextile layer 6 is laid on the first slate filler layer 2, an intermediate waterproof layer 3 is laid on the first waterproof geotextile layer 6, so that the time of exposing the first slate filler layer 2 to the air is shortened, then, a second slate filler layer 4 is laid on the intermediate waterproof layer 3, and a second waterproof geotextile layer 7 is laid on the second slate filler layer 4, so that the time of exposing the second slate filler layer 4 to the air is shortened; the roadbed is the sectional type construction on the whole, has shortened first slate packing layer 2 and second slate packing layer 4 and has exposed long time in the air, and then has reduced the probability that first slate packing layer 2 and second slate packing layer 4 rainwater disintegrate and do over again, has promoted the efficiency of construction.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an improve slate filler filled formula roadbed structure which characterized in that: the waterproof and waterproof clay comprises a clay layer (1), a first slate packing layer (2), an intermediate waterproof layer (3), a second slate packing layer (4) and a lower sealing layer (5), wherein the clay layer (1), the second slate packing layer (4), the intermediate waterproof layer (3), the second slate packing layer (4) and the lower sealing layer (5) are sequentially arranged from bottom to top, and the width of the clay layer (1) is greater than that of the first slate packing layer (2).
2. The slate filler filled roadbed structure for improving construction efficiency according to the claim 1, wherein: the first slate filler layer (2), the middle waterproof layer (3), the second slate filler layer (4) and the lower seal layer (5) are arranged in a segmented mode along the length direction of the road.
3. The slate filler filled roadbed structure for improving construction efficiency according to the claim 2, wherein: first waterproof geotechnical cloth layer (6) has been laid between first slate packing layer (2) and middle waterproof layer (3), second slate packing layer (4) with waterproof geotechnical cloth layer (7) of second has been laid between lower seal (5).
4. The slate-filled roadbed structure capable of improving construction efficiency according to the claim 3, wherein: the first waterproof geotextile layer (6) is wider than the first slate filler layer (2), and two ends of the first waterproof geotextile layer (6) in the width direction are abutted against the clay layer (1); the second waterproof geotechnical cloth layer (7) is wider than the second slate packing layer (4), and two ends of the second waterproof geotechnical cloth layer (7) in the width direction are abutted to the clay layer (1).
5. The slate-filled roadbed structure capable of improving construction efficiency according to claim 4, wherein: first waterproof geotechnological cloth layer (6), second waterproof geotechnological cloth layer (7) also are the segmentation setting, first waterproof geotechnological cloth layer (6) still is good at first slate packing layer (2), second waterproof geotechnological cloth layer (7) still is good at second slate packing layer (4).
6. The slate-filled roadbed structure capable of improving construction efficiency according to claim 5, wherein: one end of the first waterproof geotextile layer (6) in the length direction is laid on the first waterproof geotextile layer (6) at the previous section, and the other end of the first waterproof geotextile layer (6) in the length direction is laid on the clay layer (1); one end of the second waterproof geotextile layer (7) in the length direction is laid on the second waterproof geotextile layer (7) at the previous section, and the other end of the second waterproof geotextile layer (7) in the length direction is laid on the middle waterproof layer (3).
7. The slate-filled roadbed structure capable of improving construction efficiency according to claim 6, wherein: the first slate filler layer (2), the middle waterproof layer (3), the second slate filler layer (4) and the lower seal layer (5) are arranged in a staggered mode in the length direction of the road.
8. The slate-filled roadbed structure capable of improving construction efficiency according to claim 7, wherein: a third water and soil engineering cloth layer (8) is further paved between the clay layer (1) and the first slate filler layer (2), and the width of the third water and soil engineering cloth layer (8) is wider than that of the first slate filler layer (2).
9. The slate-filled roadbed structure capable of improving construction efficiency according to claim 8, wherein: and edge-covered clay layers (9) are further laid at the two ends of the first slate packing layer (2), the middle waterproof layer (3), the second slate packing layer (4) and the lower sealing layer (5) in the width direction.
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| CN202021951945.9U CN213328494U (en) | 2020-09-08 | 2020-09-08 | Improve efficiency of construction's slate filler filled formula roadbed structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114347215A (en) * | 2021-12-17 | 2022-04-15 | 深圳市中金岭南有色金属股份有限公司科学技术开发院 | Manufacturing method of assembly type roadbed block and assembly type roadbed block structure |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347215A (en) * | 2021-12-17 | 2022-04-15 | 深圳市中金岭南有色金属股份有限公司科学技术开发院 | Manufacturing method of assembly type roadbed block and assembly type roadbed block structure |
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Address after: The intersection of Lijiabu, Jiwang Road, Zhangqiu City, Jinan City, Shandong Province Patentee after: Shandong high speed Engineering Construction Group Co.,Ltd. Address before: The intersection of Lijiabu, Jiwang Road, Zhangqiu City, Jinan City, Shandong Province Patentee before: SHANDONG LUQIAO CONSTRUCTION Co.,Ltd. |