CN113981760A - Anti-seismic roadbed and construction method thereof - Google Patents
Anti-seismic roadbed and construction method thereof Download PDFInfo
- Publication number
- CN113981760A CN113981760A CN202111307402.2A CN202111307402A CN113981760A CN 113981760 A CN113981760 A CN 113981760A CN 202111307402 A CN202111307402 A CN 202111307402A CN 113981760 A CN113981760 A CN 113981760A
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- Prior art keywords
- layer
- seismic
- pressing
- paving
- roadbed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 239000004576 sand Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010426 asphalt Substances 0.000 claims abstract description 13
- 238000005336 cracking Methods 0.000 claims abstract description 13
- 239000000654 additive Substances 0.000 claims abstract description 7
- 230000000996 additive effect Effects 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 7
- 239000004927 clay Substances 0.000 claims abstract description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 4
- 239000004571 lime Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920006255 plastic film Polymers 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 239000007788 liquid Substances 0.000 description 6
- 230000006872 improvement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/06—Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Abstract
The invention relates to the technical field of civil engineering, in particular to an anti-seismic roadbed and a construction method thereof, wherein the anti-seismic roadbed comprises a base layer, a concrete layer, an anti-seismic graded sandstone cushion layer, an anti-cracking net, an impermeable layer and an asphalt layer, wherein the base layer comprises the following components in percentage: 30% -40% of fine sand; 20% -40% of clay; 10% -20% of water; the concrete layer consists of the following components in percentage by weight: 20% -30% of cement; 25% -35% of sand; 20-30% of lime; 5% -10% of an additive; 5 to 10 percent of admixture; the graded sandstone cushion layer consists of the following components in percentage by weight: 40% -50% of gravels; 30-40% of natural sand; 10% -20% of water, the invention relates to an anti-seismic roadbed and a construction method thereof, and solves the problems of poor anti-seismic capability and no anti-seepage effect of the conventional roadbed.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to an anti-seismic roadbed and a construction method thereof.
Background
As is well known, a roadbed refers to a strip structure which is a foundation of a road surface constructed according to a route position and a certain technical requirement, and is a foundation of a railway and a highway, and the roadbed is a line structure constructed by using soil or stones. And constructing a roadbed under good geological, hydrological and climatic conditions. The roadbed can be divided into three types of soil roadbed, stone roadbed and soil-stone roadbed from the material aspect.
The existing roadbed has no anti-seismic plate, so that the anti-seismic capacity can be reduced, the anti-seepage effect is avoided, and external liquid can penetrate through the roadbed to be in contact with the anti-seismic plate inside the roadbed, so that the external liquid is prevented from being in contact with the anti-seismic plate, and the anti-seismic plate is rusted.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an anti-seismic roadbed and a construction method thereof, and solves the problems of poor anti-seismic capability and no anti-seepage effect of the conventional roadbed.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an antidetonation type road bed, includes basic unit, concrete layer, antidetonation board, graded grit bed course, crack control net, barrier layer and pitch layer, the substrate layer comprises following percentage:
30% -40% of fine sand;
20% -40% of clay;
10% -20% of water;
the concrete layer consists of the following components in percentage by weight:
20% -30% of cement;
25% -35% of sand;
20-30% of lime;
5% -10% of an additive;
5 to 10 percent of admixture;
the graded sandstone cushion layer consists of the following components in percentage by weight:
40% -50% of gravels;
30-40% of natural sand;
10 to 20 percent of water.
In order to improve the strength of the anti-cracking net, the invention has the improvement that reinforcing steel bars are arranged in the anti-cracking net and are arranged in a crossed manner.
In order to improve the anti-seepage effect, the invention improves that the anti-seepage layer is formed by compounding non-woven fabrics and plastic films.
In order to improve the anti-seepage effect, the invention improves that the plastic film is made of polyethylene.
In order to improve the anti-seismic effect, the invention improves that the thickness of the anti-seismic plate is 30 cm.
The invention further provides a construction method of the anti-seismic roadbed, which is characterized by comprising the following steps: the method comprises the following steps:
step 1, paving a base layer mixed by fine sand, clay and water according to a certain proportion on a previously leveled foundation, pressing the base layer by using a pressing machine after waiting for a period of time, detecting by using specified equipment after the pressing is finished, and if a problem is detected, processing by a constructor.
And 2, paving half of the concrete layer mixed by cement, sand, stones, an additive and an admixture according to a certain proportion on the treated base layer, paving the anti-cracking net on the surface of the concrete, covering the anti-cracking net by the other half of the concrete, and standing for a period of time to solidify the concrete layer.
And 3, after the concrete layer is solidified, detecting by using specified equipment, and if a problem is detected, processing by a constructor.
And 4, paving the anti-seismic plate on a concrete layer which is qualified after solidification.
And 5, paving the impermeable membrane on the anti-seismic plate.
And 5, paving the graded gravel cushion layer mixed by gravel, natural sand and water according to a certain proportion on the impermeable membrane, pressing the graded gravel cushion layer by using a pressing machine after waiting for a period of time, detecting by using specified equipment after pressing is finished, and treating by a constructor if a problem is detected.
And 6, flatly paving the asphalt layer on the treated graded gravel cushion layer, then pressing the asphalt layer by using a road roller, detecting by using specified equipment after pressing is finished, and treating by a constructor if a problem is detected.
And 7, enclosing the construction area by using a fence, and waiting for the shaping of the asphalt layer.
And 8, disassembling the fence after the asphalt layer is shaped.
In order to improve the solidification effect of the concrete layer, the invention improves that the standing time in the step 2 is not less than 10 hours.
(III) advantageous effects
Compared with the prior art, the invention provides an anti-seismic roadbed and a construction method thereof, and the anti-seismic roadbed has the following beneficial effects:
this antidetonation type road bed and construction method thereof can improve antidetonation effect through the antidetonation board, and the thickness of antidetonation board is 30cm, can improve the antidetonation effect of antidetonation board, can prevent external liquid and the contact of antidetonation board through the barrier layer to can prevent that the antidetonation board from receiving the influence of liquid and taking place rusty problem, the crack control net sets up inside concrete layer, can improve concrete layer's intensity, improves concrete layer's anti-cracking ability.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an antidetonation type road bed, includes basic unit, concrete layer, antidetonation board, graded grit bed course, crack control net, barrier layer and pitch layer, the substrate layer comprises following percentage:
30% -40% of fine sand;
20% -40% of clay;
10% -20% of water;
the concrete layer consists of the following components in percentage by weight:
20% -30% of cement;
25% -35% of sand;
20-30% of lime;
5% -10% of an additive;
5 to 10 percent of admixture;
the graded sandstone cushion layer consists of the following components in percentage by weight:
40% -50% of gravels;
30-40% of natural sand;
10 to 20 percent of water.
In this embodiment, the inside reinforcing bar that is equipped with of crack control net, reinforcing bar cross arrangement can improve the intensity of crack control net.
In the embodiment, the anti-seepage layer is formed by compounding the non-woven fabric and the plastic film, so that the anti-seepage effect can be improved.
In this embodiment, the plastic film is made of polyethylene. The anti-seepage effect can be improved.
In this embodiment, the thickness of the anti-seismic plate is 30cm, and the anti-seismic effect of the anti-seismic plate can be improved.
The invention further provides a construction method of the anti-seismic roadbed, which is characterized by comprising the following steps: the method comprises the following steps:
step 1, paving a base layer mixed by fine sand, clay and water according to a certain proportion on a previously leveled foundation, pressing the base layer by using a pressing machine after waiting for a period of time, detecting by using specified equipment after the pressing is finished, and if a problem is detected, processing by a constructor.
And 2, paving half of the concrete layer mixed by cement, sand, stones, an additive and an admixture according to a certain proportion on the treated base layer, paving the anti-cracking net on the surface of the concrete, covering the anti-cracking net by the other half of the concrete, and standing for a period of time to solidify the concrete layer.
And 3, after the concrete layer is solidified, detecting by using specified equipment, and if a problem is detected, processing by a constructor.
And 4, paving the anti-seismic plate on a concrete layer which is qualified after solidification.
And 5, paving the impermeable membrane on the anti-seismic plate.
And 5, paving the graded gravel cushion layer mixed by gravel, natural sand and water according to a certain proportion on the impermeable membrane, pressing the graded gravel cushion layer by using a pressing machine after waiting for a period of time, detecting by using specified equipment after pressing is finished, and treating by a constructor if a problem is detected.
And 6, flatly paving the asphalt layer on the treated graded gravel cushion layer, then pressing the asphalt layer by using a road roller, detecting by using specified equipment after pressing is finished, and treating by a constructor if a problem is detected.
And 7, enclosing the construction area by using a fence, and waiting for the shaping of the asphalt layer.
And 8, disassembling the fence after the asphalt layer is shaped.
In the embodiment, in order to improve the solidification effect of the concrete layer, the invention has the improvement that the standing time in the step 2 is not less than 10 hours, so that the solidification effect of the concrete layer can be improved.
In conclusion, the working principle and the working process of the anti-seismic roadbed and the construction method thereof are that when the anti-seismic roadbed and the construction method thereof are used, firstly, the anti-seismic effect can be improved through the anti-seismic plates, the thickness of each anti-seismic plate is 30cm, the anti-seismic effect of the anti-seismic plates can be improved, external liquid can be prevented from being in contact with the anti-seismic plates through the anti-seepage layers, therefore, the anti-seismic plates can be prevented from being rusted due to the influence of the liquid, and the anti-cracking nets are arranged inside the concrete layer, so that the strength of the concrete layer can be improved, and the anti-cracking capacity of the concrete layer can be improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an antidetonation type road bed, includes basic unit, concrete layer, antidetonation board, gradation grit bed course, crack control net, barrier layer and pitch layer, its characterized in that: the base material layer consists of the following components in percentage by weight:
30% -40% of fine sand;
20% -40% of clay;
10% -20% of water;
the concrete layer consists of the following components in percentage by weight:
20% -30% of cement;
25% -35% of sand;
20-30% of lime;
5% -10% of an additive;
5 to 10 percent of admixture;
the graded sandstone cushion layer consists of the following components in percentage by weight:
40% -50% of gravels;
30-40% of natural sand;
10 to 20 percent of water.
2. An earthquake-resistant roadbed according to claim 1, wherein: the anti-cracking net is internally provided with steel bars which are arranged in a crossed mode.
3. An earthquake-resistant roadbed according to claim 2, wherein: the impermeable layer is formed by compounding non-woven fabrics and plastic films.
4. An earthquake-resistant roadbed according to claim 3, wherein: the plastic film is made of polyethylene.
5. An earthquake-resistant roadbed according to claim 4, wherein: the thickness of the anti-seismic plate is 30 cm.
6. An earthquake-resistant roadbed construction method according to claim 5, wherein the method comprises the following steps: the method comprises the following steps:
step 1, paving a base layer mixed by fine sand, clay and water according to a certain proportion on a previously leveled foundation, pressing the base layer by using a pressing machine after waiting for a period of time, detecting by using specified equipment after the pressing is finished, and if a problem is detected, processing by a constructor.
And 2, paving half of the concrete layer mixed by cement, sand, stones, an additive and an admixture according to a certain proportion on the treated base layer, paving the anti-cracking net on the surface of the concrete, covering the anti-cracking net by the other half of the concrete, and standing for a period of time to solidify the concrete layer.
And 3, after the concrete layer is solidified, detecting by using specified equipment, and if a problem is detected, processing by a constructor.
And 4, paving the anti-seismic plate on a concrete layer which is qualified after solidification.
And 5, paving the impermeable membrane on the anti-seismic plate.
And 5, paving the graded gravel cushion layer mixed by gravel, natural sand and water according to a certain proportion on the impermeable membrane, pressing the graded gravel cushion layer by using a pressing machine after waiting for a period of time, detecting by using specified equipment after pressing is finished, and treating by a constructor if a problem is detected.
And 6, flatly paving the asphalt layer on the treated graded gravel cushion layer, then pressing the asphalt layer by using a road roller, detecting by using specified equipment after pressing is finished, and treating by a constructor if a problem is detected.
And 7, enclosing the construction area by using a fence, and waiting for the shaping of the asphalt layer.
And 8, disassembling the fence after the asphalt layer is shaped.
7. An earthquake-resistant roadbed construction method according to claim 6, wherein the method comprises the following steps: the standing time in the step 2 is not less than 10 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307402.2A CN113981760A (en) | 2021-11-05 | 2021-11-05 | Anti-seismic roadbed and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111307402.2A CN113981760A (en) | 2021-11-05 | 2021-11-05 | Anti-seismic roadbed and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113981760A true CN113981760A (en) | 2022-01-28 |
Family
ID=79746842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111307402.2A Pending CN113981760A (en) | 2021-11-05 | 2021-11-05 | Anti-seismic roadbed and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113981760A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643656A (en) * | 2013-11-22 | 2014-03-19 | 河海大学 | High rock-fill dam membrane anti-seepage body on deep coverage layer and construction method of high rock-fill dam membrane anti-seepage body |
| CN105926407A (en) * | 2016-05-16 | 2016-09-07 | 哈尔滨共阳科技咨询有限公司 | Highway water seepage structure |
| CN110318311A (en) * | 2019-07-05 | 2019-10-11 | 广东万标建设工程有限公司 | A kind of municipal road construction method |
| CN209941485U (en) * | 2018-11-10 | 2020-01-14 | 马奎保 | Highway bridge watertight fittings |
| CN112030660A (en) * | 2020-09-19 | 2020-12-04 | 王荃 | Construction method of anti-freezing pavement |
| CN212956001U (en) * | 2020-05-25 | 2021-04-13 | 栾雅君 | Municipal works road laying structure |
| CN112921738A (en) * | 2021-01-31 | 2021-06-08 | 李现伟 | Highway pavement structure and construction method thereof |
| CN213538588U (en) * | 2020-10-20 | 2021-06-25 | 广东粤勋建设有限公司 | Municipal works antidetonation road surface structure |
| CN113279297A (en) * | 2021-05-26 | 2021-08-20 | 河北建筑工程学院 | Construction method for improving roadbed seismic resistance |
| CN113322740A (en) * | 2021-06-25 | 2021-08-31 | 江苏广吴建设园林有限公司 | Reinforced asphalt concrete road and construction method thereof |
| CN113529512A (en) * | 2020-04-13 | 2021-10-22 | 昆山市鹿通交通安全设施有限公司 | Municipal road construction method |
-
2021
- 2021-11-05 CN CN202111307402.2A patent/CN113981760A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643656A (en) * | 2013-11-22 | 2014-03-19 | 河海大学 | High rock-fill dam membrane anti-seepage body on deep coverage layer and construction method of high rock-fill dam membrane anti-seepage body |
| CN105926407A (en) * | 2016-05-16 | 2016-09-07 | 哈尔滨共阳科技咨询有限公司 | Highway water seepage structure |
| CN209941485U (en) * | 2018-11-10 | 2020-01-14 | 马奎保 | Highway bridge watertight fittings |
| CN110318311A (en) * | 2019-07-05 | 2019-10-11 | 广东万标建设工程有限公司 | A kind of municipal road construction method |
| CN113529512A (en) * | 2020-04-13 | 2021-10-22 | 昆山市鹿通交通安全设施有限公司 | Municipal road construction method |
| CN212956001U (en) * | 2020-05-25 | 2021-04-13 | 栾雅君 | Municipal works road laying structure |
| CN112030660A (en) * | 2020-09-19 | 2020-12-04 | 王荃 | Construction method of anti-freezing pavement |
| CN213538588U (en) * | 2020-10-20 | 2021-06-25 | 广东粤勋建设有限公司 | Municipal works antidetonation road surface structure |
| CN112921738A (en) * | 2021-01-31 | 2021-06-08 | 李现伟 | Highway pavement structure and construction method thereof |
| CN113279297A (en) * | 2021-05-26 | 2021-08-20 | 河北建筑工程学院 | Construction method for improving roadbed seismic resistance |
| CN113322740A (en) * | 2021-06-25 | 2021-08-31 | 江苏广吴建设园林有限公司 | Reinforced asphalt concrete road and construction method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20220128 |