CN105887613A - Pavement repairing method free of environmental pollution and capable of eliminating vehicle bumping at bridge head - Google Patents
Pavement repairing method free of environmental pollution and capable of eliminating vehicle bumping at bridge head Download PDFInfo
- Publication number
- CN105887613A CN105887613A CN201610244386.XA CN201610244386A CN105887613A CN 105887613 A CN105887613 A CN 105887613A CN 201610244386 A CN201610244386 A CN 201610244386A CN 105887613 A CN105887613 A CN 105887613A
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- injected hole
- nothing
- soil layer
- slurry
- attachment strap
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Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003912 environmental pollution Methods 0.000 title 1
- 239000002002 slurry Substances 0.000 claims abstract description 50
- 239000002689 soil Substances 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000007569 slipcasting Methods 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 230000001771 impaired effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000011800 void material Substances 0.000 abstract 4
- 238000012423 maintenance Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000007787 solid Substances 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
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 238000001035 drying 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
- 238000012856 packing Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- KQTVWCSONPJJPE-UHFFFAOYSA-N etridiazole Chemical compound CCOC1=NC(C(Cl)(Cl)Cl)=NS1 KQTVWCSONPJJPE-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 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
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
- E01C11/00—Details of pavings
- E01C11/005—Methods or materials for repairing pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Abstract
The invention relates to a pavement repairing method. The pavement repairing method comprises steps as follows: the position of a void in an access board of a damaged bridge is detected by a detection radar, positions of grouting holes I are marked on the surface of the access board and drilled, the grouting holes I go deep into a hard soil layer and are arranged in an array manner, center spacing between adjacent grouting holes I is 10-20 cm, and the void is enabled to fall into an array range; grouting holes II penetrate through a soft soil layer and interact with the grouting holes I, and check valves for exhausting air are arranged at two ends of each grouting hole II; the grouting holes I are subjected to grouting, slurry filling conditions inside the void, the grouting holes I and the grouting holes II are detected in real time by the three-dimensional detection radar, and grouting is stopped when the void, the grouting holes I and the grouting holes II are filled with slurry; after the grouting is stopped, the detection radar is utilized again to detect and recheck the filling parts, and the non-filled parts are drilled and grouted again. With the adoption of the method, the problem of difference of settling velocities of the hard soil layer and the soft soil layer is solved.
Description
Technical field
The present invention relates to a kind of method for repairing road surface, it is possible to repair at Bridge back wall, eliminate vehicle bump at bridge ends.
Background technology
Along with being continuously increased of highway in China and railway mileage, the proportion shared by the highway such as bridge, culvert structure is increasingly
Greatly, much generally there is " bumping at bridge-head " phenomenon at the back filling behind abutment of this class formation, so-called " bumping at bridge-head " refers to bridge, culvert
Carry on the back continue sedimentation due to driving load and the effect of deadweight Deng structure itself and platform, tectonic subsidence inconsistent with platform back of the body sedimentation and
The differential settlement produced, causes the platform back of the body step occur with the road surface of structure junction, and the vehicle run at high speed is carried on the back back by platform
The place of filling out produces the phenomenon jumped of jolting.
Occurring that the vertical of above-mentioned phenomenon wants reason to be, general bridge floor is higher than road surface and by bridge pier and roadbed (hard stratum)
It is connected, therefore has between the bridge floor of difference in height and road surface and be connected by attachment strap, need below attachment strap to support this attachment strap
Existing roadbed on heap set artificial soil horizon's (Soft Soil Layer) of compacting, this artificial soil horizon forms for the later stage that therefore to compare former roadbed (hard
Soil layer) softer, bridge all can decline due to natural subsidence effect, the height on its bridge floor and road surface during the later stage runs,
But the infall process of above-mentioned Soft Soil Layer is than hard stratum more faster, therefore occurs between bridge floor and attachment strap that difference in height causes bumping at bridge-head
Phenomenon；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 bumping at bridge-head
Phenomenon.
China Patent No. is that the document of CN102051861 proposes and utilizes high polymer material to be injected into coming to nothing bottom attachment strap
Inside eliminate the attachment strap of depression of coming to nothing, promote to eliminate vehicle bump at bridge ends, but the method fails to causing bumping at bridge-head
The differential settling velocity of the different soil of phenomenon takes measures, the problem thus failing to fundamentally solve 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, it is possible to solves hard stratum and sinks with Soft Soil Layer
The problem of fall speed difference.
In order to solve above-mentioned technical problem, the invention provides a kind of method for repairing road surface, it comprises the steps:
A. utilize position of coming to nothing in the attachment strap of detection radar or the ultrasonic detection device impaired bridge of detection, mark on the surface of attachment strap
Remember the position come to nothing and measure this and come to nothing and the degree of depth of hard stratum；
B. marking the position of injected hole one on attachment strap surface and hole, injected hole one is as deep as hard stratum, and injected hole one is with array side
Formula is arranged, making to come to nothing falls in array range；
C. the side at Soft Soil Layer marks the position of injected hole two and holes, each injected hole two this Soft Soil Layer through and injected hole
One intersects, and is provided for the check valve of exhaust at each injected hole two two ends；
D. injected hole one is carried out slip casting and utilizes three-dimensional detection radar immediately to detect to come to nothing and in each injected hole one, injected hole two
The filled therewith situation in portion, comes to nothing when slurry is full of this and stops slip casting when each injected hole one, injected hole two；
E., after slip casting terminates 10 minutes, take off check valve and each injected hole one, injected hole two are carried out sealing of hole.
Described injected hole one and a diameter of 3-15cm of injected hole two, the center distance of adjacent injected hole one is 8-25cm.
Described injected hole two level this Soft Soil Layer through and be perpendicular to attachment strap center line, each injected hole one respectively with lower section of coming to nothing
Multiple injected holes two intersect.
The present invention also provides for a kind of reparation slurry, and this slurry is for the slip casting process of above-mentioned a kind of method for repairing road surface.
This slurry is high intensity foam-type resin.
The elative free swelling ratio of this slurry reaches 20:1, can fill and come to nothing, reach after injecting 10 minutes after injecting 3 minutes
Whole intensity.
The machine viscosity that goes out of this slurry is 100 ± 45mPa s, and its final strength meets compressive strength >=20MPa, and bending is strong
Degree >=15MPa
Relative to prior art, what the present invention had has the technical effect that
1) a kind of method for repairing road surface of the present invention, is combined with boring, slip casting by detection radar detection, has not only filled up and taken
Below plate come to nothing and lifting attachment strap makes end of the bridge smooth out, make the slurry after solidification also by crossing injected hole one and injected hole two
The bodily form reticulates structure, attachment strap, Soft Soil Layer and hard stratum is linked into an integrated entity, so that Soft Soil Layer and the sinking speed of hard stratum
Keeping consistent, the sinking speed of attachment strap will keep consistent with hard stratum, 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, this pulp layer be connected above attachment strap, lower section by slurry
Material column is connected with hard stratum, and injected hole one and slurry column diameter are 5-10cm, it is possible to the fractional load on attachment strap passed through
Slurry column is transferred directly to hard stratum, thus reduces the settling amount after Soft Soil Layer pressurized；Injected hole two and slurry crossbeam diameter
For 5-10cm, it is possible to the attachment strap load making part conduct through Soft Soil Layer is conducted to slurry column through slurry crossbeam, then stands through slurry
Post conduction is to hard stratum, thus reduces the load through Soft Soil Layer conduction, reduces the settling amount of Soft Soil Layer further；Adjacent injected hole
The center distance of one is 10-20cm, not only can make the arrangement of slurry column closely but also be beneficial to hole injected hole one；
3) injected hole two level this Soft Soil Layer through and be perpendicular to attachment strap center line, it is simple to the flowing of slurry during boring and slip casting
With filling, come to nothing lower section Soft Soil Layer in multiple injected hole two intersected with injected hole one is set, it is possible to increasing Soft Soil Layer and
Bonding strength between hard stratum, attachment strap, is simultaneously also beneficial to more load through Soft Soil Layer conduction by slurry crossbeam, slurry
Material column is directly conducted to hard stratum；
4) this slurry water-free high intensity foam-type resin, will not produce drying shrinkage phenomenon, it is possible to dense packing effect comes to nothing；Slurry is solid
Pliability is had with elastic, it is not easy to ftractureing, this resin material has good impermeability simultaneously, can stop rainwater after change
In lower infiltration attachment strap, fracture and seam have good sealing function；
5) this slurry can be filled after injecting 3 minutes and be come to nothing, and reaches its final strength after injecting 10 minutes, and hardening time is short, subtracts
Having lacked engineering time and the impact on traffic, formed foaming shape solid after slurry curing, its density is the 20% of cement mortar, will not
Structure is produced bigger load；
6) elative free swelling ratio of this slurry is up to 20:1, it is possible to Fast Filling comes to nothing, and in expansion process, compacting is come to nothing further
Soil layer around；
7) Stability of Slurry after solidification is strong, is difficult to aging deformation, and its durability is up to a century；
8), after slurry curing, each chemical composition will 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 periodic maintenance, maintenance, decreases maintenance cost.
Accompanying drawing explanation
In order to understand the innovative principle of the explanation present invention and compared to the technical advantage of existing product, below by way of attached
Figure illustrates possible embodiment by the limiting examples applying described principle.In the drawings:
Fig. 1 is the sectional drawing of impaired bridge in the present invention；
Fig. 2 is the sectional drawing 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 it is shown in figure 1, impaired bridge generally comprises: face 1 of mating formation, attachment strap 2, come to nothing 3, bridge floor 4, road surface 5, Soft Soil Layer 6, pan soil
Layer 7.
Come to nothing and be generally present between attachment strap 2 and Soft Soil Layer 6, along with the sedimentation of the Soft Soil Layer volume that comes to nothing can be gradually increased,
Owing to Soft Soil Layer 6 exceeds roadbed, it is simple to hole from side to Soft Soil Layer 6.
As Figure 1-3, a kind of method for repairing road surface of the present invention, comprise the following steps:
(1) 3 positions of coming to nothing in the attachment strap of three-dimensional detection radar or the ultrasonic detection device impaired bridge of detection are utilized, at attachment strap 2
Surface markers go out come to nothing 3 position and measure this and come to nothing 3 and the degree of depth of hard stratum 7；
(2) mark the position of each injected hole 1 on attachment strap 2 surface above 3 of coming to nothing and hole, a diameter of 5-of injected hole 1
10cm as deep as hard stratum 7, all injected holes 1 are arranged in square array mode, and the center distance of adjacent injected hole 1 is
10-20cm also makes coming to nothing of above-mentioned mark 3 fall in the array range of described injected hole 1；
(3) side at Soft Soil Layer 6 marks the position of injected hole 29 and holes, each injected hole 29 level this Soft Soil Layer through and
Intersecting at injected hole 1, each injected hole 1 intersects with being located at three injected holes 29 below 3 that come to nothing, and each injected hole 29 hangs down
Straight in attachment strap center line and a diameter of 5-10cm；
(4) installing Grouting Pipe 11 in the position of each injected hole 1, Grouting Pipe 11 stretches to the bottom of injected hole 1, in each slip casting
Installing filling adaptor on pipe 11, debugging grouting equipment is also connected with filling adaptor, and inspection injecting paste material also adds in grouting equipment,
The check valve that only can discharge air it is provided with at each injected hole 29 two ends；
(5) injected hole 1 is carried out slip casting and utilizes three-dimensional detection radar immediately to detect to come to nothing 3 and each injected hole 1, injected hole
Filled therewith situation within 29, comes to nothing 3 and stop slip casting when each injected hole 1, injected hole 29 when slurry is full of this；
(6) slip casting stop after again with detection radar detect this come to nothing 3 and each injected hole 1, injected hole 29 in whether also have
Not by filled therewith position, the position that there is above-mentioned situation is re-started boring, slip casting；
(7) waiting after 10 minutes, the slurry curing of filling also reaches final strength, take off check valve and to each injected hole 1,
Injected hole 29 carries out sealing of hole.
Slurry after cured forms slurry body 10 as shown in Figure 4, including multiple rows of by multiple vertical slurry columns
101, the network structure and being full of of slurry crossbeam 103 composition of level comes to nothing the pulp layer 102 of 3, this slurry body 10 and attachment strap 2,
Soft Soil Layer 6 and the fixing connection of hard stratum 7.
Embodiment 2
Heretofore described slurry uses a kind of high intensity foam-type resin, and its model is SZ3, is added by this resin during slip casting
In above-mentioned grouting equipment, the resin viscosity (going out machine viscosity) flowed out from this grouting equipment is 100 ± 45mPa s, this paste resin
Material volume in flowing constantly increases, and its penetrating power is strong, is suitable to quickly arrive and comes to nothing in position or entrance gap, makees at pressure
Be suitable to be expelled from ponding under with, can fill after above-mentioned slurry injects 3 minutes and come to nothing, reach it after injecting 10 minutes the strongest
Degree, its compressive strength >=20MPa, bending strength >=15MPa.
This slurry has the following characteristics that
(1) this slurry is the most aqueous, will not produce drying shrinkage phenomenon, it is possible to dense packing effect comes to nothing；Pliability and bullet is had after slurry curing
Property, it is not easy to ftractureing, this resin material has good impermeability simultaneously, and rainwater infiltration can be stoped to enter Soft Soil Layer, right
Crack and seam have good sealing function；
(2) forming foaming shape solid after slurry curing, its density is the 20% of cement mortar, structure will not be produced bigger load；
(3) elative free swelling ratio of this slurry is up to 20:1, it is possible to Fast Filling comes to nothing, and in expansion process, compacting is come to nothing further
Soil layer around；
(4) Stability of Slurry after solidification is strong, is difficult to aging deformation, and its durability is up to a century；
(5), after slurry curing, each chemical composition will 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 periodic maintenance, maintenance, decreases maintenance cost.
Obviously, above-described embodiment is only for clearly demonstrating example of the present invention, and not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, can also be made it on the basis of the above description
The change of its multi-form or variation.Here without also cannot all of embodiment be given exhaustive.And these belong to this
What bright spirit was extended out obviously changes or changes among still in protection scope of the present invention.
Claims (1)
1. a method for repairing road surface, it is characterised in that comprise the steps:
A. (3) position of coming to nothing in the attachment strap of detection radar or the ultrasonic detection device impaired bridge of detection is utilized, in attachment strap (2)
Surface markers go out to come to nothing the position of (3) measure this and come to nothing (3) and the degree of depth of hard stratum (7)；
B. marking the position of injected hole one (8) on attachment strap (2) surface and hole, injected hole one is as deep as hard stratum (7), injected hole
One (8) arranges with array way, and make to come to nothing (3) fall in array range；
C. the side at Soft Soil Layer (6) marks the position of injected hole two (9) and holes, each injected hole two (9) this Soft Soil Layer through
And intersect with injected hole one (8), the check valve of exhaust it is provided at each injected hole two (9) two ends；
D. injected hole one (8) is carried out slip casting and utilize three-dimensional detection radar immediately detect come to nothing (3) and each injected hole one (8),
The filled therewith situation that injected hole two (9) is internal, comes to nothing (3) and each injected hole one (8), injected hole two (9) when slurry is full of this
Time stop slip casting；Slurry uses high intensity foam-type resin, and during slip casting, this resin slurry volume in flowing constantly increases,
Be suitable to be expelled from ponding under pressure effect；
E., after slip casting terminates 10 minutes, each injected hole one (8), injected hole two (9) are carried out sealing of hole, and make attachment strap, Soft Soil Layer
And hard stratum links into an integrated entity；
Described injected hole one and a diameter of 3-15cm of injected hole two, the center distance of adjacent injected hole one (8) is 8-25cm；
Described injected hole two (9) level this Soft Soil Layer through and be perpendicular to attachment strap center line, each injected hole one (8) respectively with come to nothing
(3) multiple injected holes two (9) of lower section intersect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610244386.XA CN105887613B (en) | 2014-05-26 | 2014-05-26 | Method for repairing road surface that is environmentally safe, eliminating vehicle bump at bridge ends |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223135.4A CN104047213B (en) | 2014-05-26 | 2014-05-26 | A kind of method for repairing road surface that can solve hard stratum and Soft Soil Layer sinking speed difference |
| CN201610244386.XA CN105887613B (en) | 2014-05-26 | 2014-05-26 | Method for repairing road surface that is environmentally safe, eliminating vehicle bump at bridge ends |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410223135.4A Division CN104047213B (en) | 2014-05-26 | 2014-05-26 | A kind of method for repairing road surface that can solve hard stratum and Soft Soil Layer sinking speed difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105887613A true CN105887613A (en) | 2016-08-24 |
| CN105887613B CN105887613B (en) | 2018-02-02 |
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|---|---|---|---|
| CN201610244386.XA Active CN105887613B (en) | 2014-05-26 | 2014-05-26 | Method for repairing road surface that is environmentally safe, eliminating vehicle bump at bridge ends |
| CN201410223135.4A Active CN104047213B (en) | 2014-05-26 | 2014-05-26 | A kind of method for repairing road surface that can solve hard stratum and Soft Soil Layer sinking speed difference |
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| CN201410223135.4A Active CN104047213B (en) | 2014-05-26 | 2014-05-26 | A kind of method for repairing road surface that can solve hard stratum and Soft Soil Layer sinking speed difference |
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| CN (2) | CN105887613B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330848A (en) * | 2018-03-10 | 2018-07-27 | 林光琴 | A kind of bridge pavement repairing construction technology |
| CN108385549A (en) * | 2018-03-25 | 2018-08-10 | 林光琴 | A kind of bridge pavement method for repairing and constructing |
| CN112482123A (en) * | 2020-11-20 | 2021-03-12 | 郑州铁路职业技术学院 | Road longitudinal seam treatment method |
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|---|---|---|---|---|
| CN108330848A (en) * | 2018-03-10 | 2018-07-27 | 林光琴 | A kind of bridge pavement repairing construction technology |
| 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 |
| CN108385549A (en) * | 2018-03-25 | 2018-08-10 | 林光琴 | A kind of bridge pavement method for repairing and constructing |
| CN112482123A (en) * | 2020-11-20 | 2021-03-12 | 郑州铁路职业技术学院 | Road longitudinal seam treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105887613B (en) | 2018-02-02 |
| CN104047213A (en) | 2014-09-17 |
| CN104047213B (en) | 2016-05-25 |
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Inventor after: Chen Zan Inventor before: Song Yantong Inventor before: Chen Zan Inventor before: Leng Yijie |
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Denomination of invention: Road surface repair methods that are environmentally pollution-free and eliminate the phenomenon of vehicle jumping at bridge heads Granted publication date: 20180202 Pledgee: Industrial and Commercial Bank of China Danyang Branch Pledgor: JIANGSU DINGTAI ENGINEERING MATERIAL CO.,LTD. Registration number: Y2024980002806 |
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