CN104047237B - A kind of method for repairing road surface - Google Patents
A kind of method for repairing road surface Download PDFInfo
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- CN104047237B CN104047237B CN201410223554.8A CN201410223554A CN104047237B CN 104047237 B CN104047237 B CN 104047237B CN 201410223554 A CN201410223554 A CN 201410223554A CN 104047237 B CN104047237 B CN 104047237B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 50
- 239000002689 soil Substances 0.000 claims abstract description 38
- 238000007569 slipcasting Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000001771 impaired effect Effects 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
Abstract
The present invention relates to a kind of method for repairing road surface, its step comprises: utilize detection radar to detect in the attachment strap of impaired bridge position of coming to nothing, mark the position of injected hole one on attachment strap surface and hole, injected hole one reaches hardpan deeply, injected hole one is arranged with array way, and the center distance of adjacent injected hole one is 10-20cm and makes to come to nothing to fall within the scope of array; Each injected hole two this Soft Soil Layer through is also crossing with injected hole one, is provided with the one way valve of exhaust at each injected hole two two ends; Slip casting is carried out to injected hole one and utilize three-dimensional detection radar immediately to detect to come to nothing and each injected hole one, injected hole two inside filled therewith situation, when slurry be full of this come to nothing and each injected hole one, injected hole two time stop slip casting; Slip casting utilizes detection radar to the check of filling location detection again after stopping, to not re-started boring, slip casting by filled therewith place; This method solve the problem of hardpan and Soft Soil Layer differential settling velocity.
Description
Technical field
The present invention relates to a kind of method for repairing road surface, can repair Bridge back wall place, eliminate vehicle bump at bridge ends.
Background technology
Along with the continuous increase of highway in China and railway mileage, proportion shared by the highway such as bridge, culvert structure is increasing, back filling behind abutment place ubiquity " bumping at bridge-head " phenomenon of this class formation a lot, so-called " bumping at bridge-head " refers to that the structure such as bridge, culvert itself and the platform back of the body continue sedimentation due to the effect of drive a vehicle load and deadweight, tectonic subsidence and platform carry on the back the inconsistent and differential settlement produced of sedimentation, cause platform to be carried on the back and occur step with the road surface of structure junction, the vehicle of running at high speed produces the phenomenon of jolting and jumping by back filling behind abutment place.
Occur that the vertical of above-mentioned phenomenon wants reason to be, general bridge floor is higher than road surface and is connected with roadbed (hardpan) by bridge pier, therefore there is the bridge floor of difference in height be connected by attachment strap with between road surface, heap on the existing roadbed below attachment strap is needed to establish artificial soil horizon's (Soft Soil Layer) of compacting in order to support this attachment strap, therefore to compare former roadbed (hardpan) softer for the later stage is formed for this artificial soil horizon, bridge in later stage operation process due to natural subsidence effect, the height on its bridge floor and road surface all can decline, but the infall process of above-mentioned Soft Soil Layer is faster than hardpan, therefore occur between bridge floor and attachment strap that difference in height causes vehicle bump at bridge ends, can be formed between Soft Soil Layer and attachment strap simultaneously and come to nothing and make to misplace between bridge floor and attachment strap, thus exacerbate vehicle bump at bridge ends.
China Patent No. is that the document of CN102051861 proposes and utilizes high polymer material to be injected into the interior attachment strap eliminating depression of coming to nothing, promote that comes to nothing bottom attachment strap to eliminate vehicle bump at bridge ends, but the method fails to take measures to the differential settling velocity of the different soil causing vehicle bump at bridge ends, therefore fail fundamentally to solve the problem of bumping at bridge-head.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method for repairing road surface, can solve the problem of hardpan and Soft Soil Layer differential settling velocity.
In order to solve the problems of the technologies described above, the invention provides a kind of method for repairing road surface, it comprises the steps:
A. utilize detection radar or ultrasonic detection device to detect in the attachment strap of impaired bridge position of coming to nothing, measure this come to nothing and the degree of depth of hardpan in the position that the surface markers of attachment strap goes out to come to nothing;
B. mark the position of injected hole one on attachment strap surface and hole, injected hole one reaches hardpan deeply, and injected hole one is arranged with array way, and making to come to nothing falls within the scope of array;
C. mark the position of injected hole two in the side of Soft Soil Layer and hole, each injected hole two this Soft Soil Layer through is also crossing with injected hole one;
D. slip casting is carried out to injected hole one and utilize three-dimensional detection radar immediately to detect to come to nothing and each injected hole one, injected hole two inside filled therewith situation, when slurry be full of this come to nothing and each injected hole one, injected hole two time stop slip casting;
E., after slip casting terminates 10 minutes, sealing of hole is carried out to each injected hole one, injected hole two.
Described injected hole one is 3-15cm with the diameter of injected hole two, and the center distance of adjacent injected hole one is 8-25cm.
Described injected hole two level this Soft Soil Layer through and perpendicular to attachment strap center line, each injected hole one is crossing with multiple injected holes two of below of coming to nothing respectively.
The present invention also provides a kind of and repairs slurry, and this slurry is used for the slip casting process of above-mentioned a kind of method for repairing road surface.
This slurry is high strength foam-type resin.
The elative free swelling ratio of this slurry reaches 20:1, can fill come to nothing in injection after 3 minutes, injects and reaches final strength after 10 minutes.
The machine viscosity that goes out of this slurry is 100 ± 45mPas, and its final strength meets compressive strength >=20MPa, bending strength >=15MPa
Relative to prior art, the technique effect that the present invention has is:
1) a kind of method for repairing road surface of the present invention, detected and boring by detection radar, slip casting combines, the also lifting attachment strap that comes to nothing not only filled up below attachment strap makes end of the bridge smooth-going, also the slurry body after solidification is made to form net structure by crossing injected hole one and injected hole two, by attachment strap, Soft Soil Layer and hardpan link into an integrated entity, thus the settling rate of Soft Soil Layer and hardpan is consistent, the settling rate of attachment strap will be consistent with hardpan, prevent from being formed between Soft Soil Layer and attachment strap coming to nothing, thus avoid the vehicle bump at bridge ends that bridge floor and attachment strap cause because of respective differential settling velocity,
2) come to nothing position inject slurry curing after formed a pulp layer, connect attachment strap above this pulp layer, below is connected with hardpan by slurry column, injected hole one and slurry column diameter are 5-10cm, fractional load on attachment strap directly can be passed to hardpan by slurry column, thus reduce the settling amount after Soft Soil Layer pressurized; Injected hole two and slurry crossbeam diameter are 5-10cm, the attachment strap load that part is conducted through Soft Soil Layer can be made to conduct to slurry column through slurry crossbeam, conduct to hardpan through slurry column again, thus reduce the load through Soft Soil Layer conduction, reduce the settling amount of Soft Soil Layer further; The center distance of adjacent injected hole one is 10-20cm, slurry column not only can have been made to arrange closely but also be beneficial to and holed to injected hole one;
3) injected hole two level this Soft Soil Layer through and perpendicular to attachment strap center line, be convenient to flowing and the filling of slurry in boring and slip casting process, in the Soft Soil Layer of below that comes to nothing, multiple injected hole two crossing with injected hole one is set, the bonding strength between Soft Soil Layer and hardpan, attachment strap can be strengthened, be also conducive to more load through Soft Soil Layer conduction to be directly conducted to hardpan by slurry crossbeam, slurry column simultaneously;
4) the water-free high strength foam-type resin of this slurry, can not produce drying shrinkage phenomenon, can come to nothing by dense packing effect; Have pliability and elasticity after slurry curing, cracking is less likely to occur, and this resin material has good impermeability simultaneously, and rainwater infiltration can be stoped to enter in attachment strap, and fracture and seam have good sealing function;
5) can fill after this slurry injects 3 minutes and come to nothing, inject and reach its final strength after 10 minutes, hardening time is short, decrease engineering time and the impact on traffic, form foaming shape solid after slurry curing, its density is 20% of cement paste, can not produce larger load to structure;
6) elative free swelling ratio of this slurry can reach 20:1, can come to nothing by Fast Filling, and in expansion process, further compacting is come to nothing the soil layer of surrounding;
7) Stability of Slurry after solidification is strong, not easily aging distortion, and its durability can reach a century;
8), after slurry curing, each chemical composition can not be dissolved or decompose and be run off in rainwater, environmentally safe;
9) the attachment strap structure after this slurry is repaired, the later stage, without the need to periodic maintenance, maintenance, decreases maintenance cost.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present invention and the technical advantage compared to existing product thereof, by the limiting examples applying described principle, possible embodiment is described by means of accompanying drawing below.In the drawings:
Fig. 1 is the profile of impaired bridge in the present invention;
Fig. 2 is the profile of the bridge in the present invention after boring;
Fig. 3 is the top view of the attachment strap being provided with injected hole one in the present invention;
Fig. 4 is the left view of the slurry body in the present invention after solidification.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, impaired bridge generally comprises: face 1 of mating formation, and attachment strap 2, comes to nothing 3, bridge floor 4, road surface 5, Soft Soil Layer 6, hardpan 7.
Come to nothing and generally appear between attachment strap 2 and Soft Soil Layer 6, the volume that comes to nothing of the sedimentation along with Soft Soil Layer can increase gradually, because Soft Soil Layer 6 exceeds roadbed, is convenient to hole to Soft Soil Layer 6 from the side.
As Figure 1-3, a kind of method for repairing road surface of the present invention, comprises the following steps:
(1) utilize three-dimensional detection radar or ultrasonic detection device to detect in the attachment strap of impaired bridge 3 positions of coming to nothing, the surface markers of attachment strap 2 go out to come to nothing 3 position and measure the degree of depth of this come to nothing 3 and hardpan 7;
(2) mark the position of each injected hole 1 on attachment strap 2 surface above 3 of coming to nothing and hole, the diameter of injected hole 1 is 5-10cm and deeply reaches hardpan 7, all injected holes 1 are arranged in square array mode, and the center distance of adjacent injected hole 1 is 10-20cm and makes coming to nothing of above-mentioned mark 3 fall within the scope of the array of described injected hole 1;
(3) mark the position of injected hole 29 in the side of Soft Soil Layer 6 and hole, each injected hole 29 level this Soft Soil Layer through and intersect at injected hole 1, each injected hole 1 is crossing with being located at three injected holes 29 come to nothing below 3, and each injected hole 29 is perpendicular to attachment strap center line and diameter is 5-10cm;
(4) in the position of each injected hole 1, Grouting Pipe 11 is installed, Grouting Pipe 11 stretches to the bottom of injected hole 1, each Grouting Pipe 11 installs filling adaptor, debugging grouting equipment is also connected with filling adaptor, inspection injecting paste material also adds in grouting equipment, is provided with at each injected hole 29 two ends the one way valve only can discharging air;
(5) slip casting is carried out to injected hole 1 and utilize three-dimensional detection radar immediately to detect to come to nothing 3 and each injected hole 1, injected hole 29 inside filled therewith situation, when slurry be full of this come to nothing 3 and each injected hole 1, injected hole 29 time stop slip casting;
(6) slip casting utilizes detection radar to detect this to come to nothing 3 and each injected hole 1, whether to also have not by filled therewith position in injected hole 29, re-start boring, slip casting to the position that there is above-mentioned situation again after stopping;
(7) wait for after 10 minutes, the slurry curing of filling also reaches final strength, takes off one way valve and carries out sealing of hole to each injected hole 1, injected hole 29.
Slurry after solidification forms slurry body 10 as shown in Figure 4, comprise the net structure arranging more and be made up of the slurry crossbeam 103 of multiple vertical slurry column 101, level and be full of come to nothing 3 pulp layer 102, this slurry body 10 is fixedly connected with attachment strap 2, Soft Soil Layer 6 and hardpan 7.
Embodiment 2
Slurry described in the present invention adopts a kind of high strength foam-type resin, its model is SZ3, during slip casting, this resin is added in above-mentioned grouting equipment, the resin viscosity (going out machine viscosity) flowed out from this grouting equipment is 100 ± 45mPas, this resin slurry volume in flowing constantly increases, its penetrating power is strong, be suitable for arriving fast the position or enter in gap of coming to nothing, be suitable under pressure squeezing ponding, can fill after above-mentioned slurry injects 3 minutes and come to nothing, inject and reach its final strength after 10 minutes, its compressive strength >=20MPa, bending strength >=15MPa.
This slurry has following characteristics:
(1) this slurry is not moisture, can not produce drying shrinkage phenomenon, can come to nothing by dense packing effect; Have pliability and elasticity after slurry curing, cracking is less likely to occur, and this resin material has good impermeability simultaneously, and rainwater infiltration can be stoped to enter Soft Soil Layer, and fracture and seam have good sealing function;
(2) form foaming shape solid after slurry curing, its density is 20% of cement paste, can not produce larger load to structure;
(3) elative free swelling ratio of this slurry can reach 20:1, can come to nothing by Fast Filling, and in expansion process, further compacting is come to nothing the soil layer of surrounding;
(4) Stability of Slurry after solidification is strong, not easily aging distortion, and its durability can reach a century;
(5), after slurry curing, each chemical composition can not be dissolved or decompose and be run off in rainwater, environmentally safe;
(6) the attachment strap structure after this slurry is repaired, the later stage, without the need to periodic maintenance, maintenance, decreases maintenance cost.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (3)
1. a method for repairing road surface, is characterized in that comprising the steps:
A. utilize detection radar or ultrasonic detection device to detect in the attachment strap of impaired bridge (3) position of coming to nothing, the surface markers of attachment strap (2) go out to come to nothing (3) position and measure this and come to nothing (3) and the degree of depth of hardpan (7);
B. mark the position of injected hole one (8) on attachment strap (2) surface and hole, injected hole one reaches hardpan (7) deeply, and injected hole one (8) is arranged with array way, and make to come to nothing (3) fall within the scope of array;
C. mark the position of injected hole two (9) in the side of Soft Soil Layer (6) and hole, each injected hole two (9) this Soft Soil Layer through is also crossing with injected hole one (8);
D. slip casting carried out to injected hole one (8) and utilize three-dimensional detection radar immediately to detect to come to nothing (3) and filled therewith situation that each injected hole one (8), injected hole two (9) are inner, when slurry be full of this and come to nothing (3) and each injected hole one (8), injected hole two (9) time stop slip casting; Slurry adopts high strength foam-type resin, and during slip casting, this resin slurry volume in flowing constantly increases, and is suitable under pressure squeezing ponding;
E., after slip casting terminates 10 minutes, sealing of hole is carried out to each injected hole one (8), injected hole two (9), and attachment strap, Soft Soil Layer and hardpan are linked into an integrated entity.
2. a kind of method for repairing road surface according to claim 1, is characterized in that: described injected hole one is 3-15cm with the diameter of injected hole two, and the center distance of adjacent injected hole one (8) is 8-25cm.
3. a kind of method for repairing road surface according to claim 1, is characterized in that: described injected hole two (9) level this Soft Soil Layer through and perpendicular to attachment strap center line, and each injected hole one (8) is crossing with multiple injected holes two (9) of (3) below of coming to nothing respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158620.7A CN105735151B (en) | 2014-05-26 | 2014-05-26 | A kind of method for repairing road surface |
| CN201410223554.8A CN104047237B (en) | 2014-05-26 | 2014-05-26 | A kind of method for repairing road surface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410223554.8A CN104047237B (en) | 2014-05-26 | 2014-05-26 | A kind of method for repairing road surface |
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| CN201610158620.7A Division CN105735151B (en) | 2014-05-26 | 2014-05-26 | A kind of method for repairing road surface |
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| CN104047237A CN104047237A (en) | 2014-09-17 |
| CN104047237B true CN104047237B (en) | 2016-04-20 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544368A (en) * | 2015-12-07 | 2016-05-04 | 江美娣 | Method and system for pre-repairing road before road damage |
| CN108330848B (en) * | 2018-03-10 | 2019-05-31 | 青海省恒立公路勘测设计有限公司 | A kind of bridge pavement repairing construction technology |
| CN108385549B (en) * | 2018-03-25 | 2019-05-31 | 江苏惠淳建设有限公司 | A kind of bridge pavement method for repairing and constructing |
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|---|---|---|---|---|
| EP0456331A1 (en) * | 1990-05-10 | 1991-11-13 | Voorbij Groep B.V. | Method for the displacement of a slab-shaped carrier, and seal therefor |
| CN101168957A (en) * | 2007-10-01 | 2008-04-30 | 于心然 | Bridge brow plate emptying shallow layer grouting reinforcement technique |
| CN101967794A (en) * | 2010-09-18 | 2011-02-09 | 余闯 | New technology for treating vehicle bump at bridge ends |
| CN102051861A (en) * | 2009-11-02 | 2011-05-11 | 郑州优特基础工程维修有限公司 | Bridgehead vehicle bump prevention and control high polymer grouting technique and construction method thereof |
| CN102127890A (en) * | 2011-03-31 | 2011-07-20 | 湖南恒盾岩土工程注浆科技有限公司 | Reinforcing construction method of existing railway subgrade |
| CN102392402A (en) * | 2011-11-11 | 2012-03-28 | 中铁六局集团有限公司 | Road and bridge transition section grouting construction method used during jacking construction |
| CN103669385A (en) * | 2013-12-30 | 2014-03-26 | 中铁二十四局集团有限公司 | Method for improving pile group bearing capacity by means of reticular pile foundations |
-
2014
- 2014-05-26 CN CN201410223554.8A patent/CN104047237B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0456331A1 (en) * | 1990-05-10 | 1991-11-13 | Voorbij Groep B.V. | Method for the displacement of a slab-shaped carrier, and seal therefor |
| CN101168957A (en) * | 2007-10-01 | 2008-04-30 | 于心然 | Bridge brow plate emptying shallow layer grouting reinforcement technique |
| CN102051861A (en) * | 2009-11-02 | 2011-05-11 | 郑州优特基础工程维修有限公司 | Bridgehead vehicle bump prevention and control high polymer grouting technique and construction method thereof |
| CN101967794A (en) * | 2010-09-18 | 2011-02-09 | 余闯 | New technology for treating vehicle bump at bridge ends |
| CN102127890A (en) * | 2011-03-31 | 2011-07-20 | 湖南恒盾岩土工程注浆科技有限公司 | Reinforcing construction method of existing railway subgrade |
| CN102392402A (en) * | 2011-11-11 | 2012-03-28 | 中铁六局集团有限公司 | Road and bridge transition section grouting construction method used during jacking construction |
| CN103669385A (en) * | 2013-12-30 | 2014-03-26 | 中铁二十四局集团有限公司 | Method for improving pile group bearing capacity by means of reticular pile foundations |
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| CN104047237A (en) | 2014-09-17 |
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Inventor after: Chen Zan Inventor before: Chen Guoxian Inventor before: He Weixing Inventor before: Wu Guoping |
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Denomination of invention: A Road Repair Method Granted publication date: 20160420 Pledgee: Industrial and Commercial Bank of China Danyang Branch Pledgor: JIANGSU DINGTAI ENGINEERING MATERIAL CO.,LTD. Registration number: Y2024980002806 |
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