CN106868970A - A kind of cement pavement overlay construction method - Google Patents
A kind of cement pavement overlay construction method Download PDFInfo
- Publication number
- CN106868970A CN106868970A CN201710080358.3A CN201710080358A CN106868970A CN 106868970 A CN106868970 A CN 106868970A CN 201710080358 A CN201710080358 A CN 201710080358A CN 106868970 A CN106868970 A CN 106868970A
- Authority
- CN
- China
- Prior art keywords
- pavement
- cement
- construction method
- jump bit
- concrete
- Prior art date
- 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
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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
-
- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
- E01C23/124—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus moved rectilinearly, e.g. road-breaker apparatus with reciprocating tools, with drop-hammers
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/147—Repairing concrete pavings, e.g. joining cracked road sections by dowels, applying a new concrete covering
Abstract
The invention discloses a kind of cement pavement overlay construction method, cement pavement overlay construction method of the invention cleaves cement concrete pavement using jump bit, and rigid pavement or flexible pavement are overlayed after implementing ground polymers slip casting.The residual structure strength of old concrete can be made full use of, subgrade rating higher is formed, fully by old road concrete plate regeneration.Its economic effect is：Low-carbon (LC), section material, saving construction period, save construction fund.
Description
Technical field
The invention belongs to road maintenance maintenance technology field, and in particular to a kind of cement pavement overlay construction method.
Background technology
Ended for the end of the year 2016,4,060,000 kilometers of highway in China total kilometrage, wherein 130,000 kilometers of highway total kilometrage, grade
The above 4,060,000 kilometers of total kilometrage of kilometer, 57.5 ten thousand kilometers of secondary standard kilometer.In highway, it is cement concrete to account for 10%
Road surface, it is cement concrete pavement that sizable ratio is accounted in remaining standard highway.According to China's highway layout service life, entirely
State-owned quite a few road needs to implement the inside, roadbed maintenance, needs waist to use " morning-night " Pavement Improvement, and this is one great
Engineering.It is existing《Specification》It is required that road " morning-night " transformation is done using cement stabilizing layer was first laid before bituminous paving is overlayed
Method, the weak point of this technical measures is apparent：Roadbase bearing capacity is uneven, and deflection value peak value is big, asphalt overlaying
It is poor that layer is combined with former cement concrete layer, and often the uneven reflection crack of presentation bulk strength, load type are launched crack, temperature and answered
Power launches crack, and this is road maintenance common quality defect.
Accordingly, it would be desirable to a kind of new cement pavement overlay construction method is solving the above problems.
The content of the invention
To solve the defect that prior art is present, there is provided a kind of cement pavement overlay construction method.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
A kind of cement pavement overlay construction method, comprises the following steps：
1) cement concrete pavement, is cleaved using jump bit, plate face of different sizes is formed；
2), to roadbed under plate face come to nothing layer injection geo-polymer；
3) rigid pavement or flexible pavement, are overlayed in plate face, the cement pavement of construction overlay is obtained.
Further, step 1) in plate face size be 150mm × 250mm.
Further, the geo-polymer is inorganic mineral polymer.The inorganic mineral polymer five poisonous creatures: scorpion, viper, centipede, house lizard, toad are harmless,
Its slurry consolidation body volume does not expand, does not shrink.
Further, step 1) in deflection value detection is carried out to cement concrete pavement first, then using jump bit
The cement concrete pavement that splitting deflection value detection is not enough.It is cost-effective without being constructed to all cement concrete pavements.
Technology inspection is carried out to circuit using FWD (FWD) or portable falling weight deflectometer (EVD) and geological radar (GPR)
Survey, analyze and evaluate sub-surface proterties, and foundation《Highway cement concrete pavement maintenance technology specification》(JTJ073.1—
2001) to concrete road surface plate thickness, intensity, global stiffness, damage location and hollowing situations such as carries out overall merit.
Further, step 3) in deflection value detection first is carried out to plate face, then in plate face overlay rigid pavement or
Flexible pavement.After deflection value is qualified, mating formation for rigid pavement or flexible pavement is being carried out, preventing underproof situation.It is right
Establishing criteria evaluation PCI is that difference level section inside disease structure sheaf carries out ground polymers Grouting, and position flexure is punished after testing
Value meets design requirement or with road to occur to use old cement concrete road splitting machine after destruction section road surface bearing capacity is basically identical
It is broken.
Further, step 2) in using static pressure to roadbed under plate face come to nothing layer injection geo-polymer slurries.
Further, step 1) in using jump bit splitting cement concrete pavement after, the concrete road surface table for obtaining
The discontinuous hair line of face band.Through the old concrete plate after splitting either level to or it is vertical, its crackle is presented occlusion and hands over
Mutually be fitted together between wrong, plate, both released old concrete panel stress, maintain again old concrete plate it is cracked after still have
Certain structural strength and bearing capacity, old concrete are realized preferably combining with overlay, prevent reflection crack, road surface passage,
The diseases such as bag are gathered around, fully by old road concrete plate regeneration.
Further, step 2) in roadbed under plate face come to nothing layer injection geo-polymer after, it is further comprising the steps of：
First, with forcing press vibroroller cmpacting road surface；
2nd, road surface floating dust is blown out；
3rd, road surface is rinsed with water；
4th, road surface natural drying.
Further, step 1) it is middle using cement pavement splitting machine splitting cement concrete pavement, the cement pavement
Splitting machine includes car-mounted device and jump bit equipment, step 1) it is middle using cement pavement splitting machine splitting cement-concrete road
Face, the cement pavement splitting machine includes car-mounted device and jump bit equipment, and the jump bit equipment includes fixed sliding
Wheel, column, pull rope, jump bit, swing pull bar, traveling sheave, hoist engine and flywheel, the column are vertically arranged in the car
Carry and put, the fixed pulley is provided with the top of the column, one end of the pull rope connects the jump bit, described to lead
The other end of messenger is fixedly connected with the onboard system, and the pull rope passes through the fixed pulley and traveling sheave, the pendulum
The two ends of dynamic pull bar are hinged with the traveling sheave and flywheel respectively, and the hoist engine drives the flywheel turns.Cement pavement
Splitting machine simple structure, it is reasonable in design, Cement Concrete Pavement Slab is smashed using jump bit, cause road surface plate top surface to present tiny
Such as the crackle of hair, panel itself is presented oblique crackle, therefore, plate face either level to or it is vertical, its crackle is to be stung
Close staggeredly, be mutually fitted together between plate, although panel stress is released, but still with certain structural strength and bearing capacity, covers
After lid asphalt concrete pavement, be evenly distributed with bituminous concrete, the feature that adhesive force is uniform, so as to conventional pav can be saved
Steady layer of water necessary to morning-night rectification, greatlys save construction investment, accelerates the road maintenance cycle, and road bend value after rectification
It is small, bearing capacity and it is uniform, reflection seam, long service life can be eliminated.
Further, the bottom of the jump bit is provided with salient point.Salient point impacts road surface, and spill is formed on road surface
Hole, and it is internally formed ramp-like, hair shape, discontinuous crackle in pavement concrete.Specifically, the quantity of the salient point is 3.It is convex
Point impact road surface, forms 3 concave pits on road surface, and is internally formed ramp-like, hair shape in pavement concrete, discontinuous splits
Line, effect is more preferable.
Beneficial effect：Cement pavement overlay construction method of the invention cleaves cement concrete pavement using jump bit,
Rigid pavement or flexible pavement are overlayed after implementing ground polymers slip casting.The residual structure strength of old concrete can be made full use of, is formed
Subgrade rating higher, fully by old road concrete plate regeneration.Its economic effect is：Low-carbon (LC), section material, saving are built
In the cycle, save construction fund.
Brief description of the drawings
Fig. 1 is the structural representation of cement pavement splitting machine.
Specific embodiment
Make specific introduction to the present invention below in conjunction with specific embodiment.
Cement pavement overlay construction method of the invention, comprises the following steps：
1) cement concrete pavement, is cleaved using jump bit, plate face of different sizes is formed；Step 1) in plate face size
It is 150mm × 250mm.Size is suitable, convenient construction.Step 1) in deflection value detection is carried out to cement concrete pavement first,
Then using the cement concrete pavement that jump bit splitting deflection value detection is not enough.Without being carried out to all cement concrete pavements
Construction, it is cost-effective.Using FWD (FWD) or portable falling weight deflectometer (EVD) and geological radar (GPR) to line
Road carries out technology for detection, analysis and evaluation sub-surface proterties, and foundation《Highway cement concrete pavement maintenance technology specification》
Situations such as (JTJ073.1-2001) are to concrete road surface plate thickness, intensity, global stiffness, damage location and hollowing carries out synthesis
Evaluate.
Step 1) in using jump bit splitting cement concrete pavement after, the discontinuous hair of concrete roadway surface band for obtaining
Silking.Through the old concrete plate after splitting either level to or it is vertical, its crackle present occlusion staggeredly, between plate mutually
It is chimeric, both released old concrete panel stress, maintain again old concrete plate it is cracked after still there is certain structural strength
And bearing capacity, old concrete and overlay realization preferably combination, prevent reflection crack, road surface passage, gather around the diseases such as bag, fill
Divide old road concrete plate regeneration.
2), to roadbed under plate face come to nothing layer injection geo-polymer；Wherein, geo-polymer is inorganic mineral polymerization
Thing.The inorganic mineral polymer five poisonous creatures: scorpion, viper, centipede, house lizard, toad are harmless, and its slurry consolidation body volume does not expand, do not shrink.Step 2) in using static pressure to
Under plate face roadbed come to nothing layer injection geo-polymer slurries.
Step 2) in roadbed under plate face come to nothing layer injection geo-polymer after, it is further comprising the steps of：
First, with forcing press vibroroller cmpacting road surface；
2nd, road surface floating dust is blown out；
3rd, road surface is rinsed with water；
4th, road surface natural drying.
3) rigid pavement or flexible pavement, are overlayed in plate face, the cement pavement of construction overlay is obtained.
Step 3) in deflection value detection first is carried out to plate face, then in plate face overlay rigid pavement or flexible pavement.It is curved
After heavy value is qualified, mating formation for rigid pavement or flexible pavement is being carried out, preventing underproof situation.Establishing criteria is evaluated
PCI is that disease structure sheaf carries out ground polymers Grouting inside difference level section, and punishment position deflection value meets design and wants after testing
Ask or with road to occur to cleave crusher machine using old cement concrete road after destruction section road surface bearing capacity is basically identical.
Refer to shown in Fig. 1, step 1) it is middle using cement pavement splitting machine splitting cement concrete pavement, water of the invention
Road face splitting machine, including car-mounted device and jump bit equipment, wherein, onboard system includes that excavator and rubber-tyred are loaded
Machine.Jump bit equipment includes fixed pulley 1, column 3, pull rope 4, jump bit 7, connecting rod 10, traveling sheave 14, hoist engine 15
With flywheel 16, column 3 is vertically arranged on car-mounted device, and the top of column 3 is provided with fixed pulley 1, one end connection of pull rope 4
Jump bit 7, the other end of pull rope 4 is fixedly connected with onboard system, and pull rope 4 passes through fixed pulley 1 and traveling sheave 14, connecting rod
10 two ends are hinged with traveling sheave 14 and flywheel 16 respectively, and the flywheel driven 16 of hoist engine 15 is rotated.
Wherein, jump bit equipment also includes sliding block 6, and sliding block 6 is fixedly connected with jump bit 7, is provided with column 3 and led
Rail, the opposite rail of sliding block 6 is slided.Support bar 11 is provided with car-mounted device, column 3 is fixed on car-mounted device by support bar 11
On.Wherein, the quantity of support bar 11 is two.The side of flywheel 16 is provided with pin-and-hole 12, and connecting rod 10 is by bearing pin and pin-and-hole 12
It is hinged.Connecting rod 10 and traveling sheave 14 are rotated with flywheel 16 and drive pull rope 4 to tighten up and loosen, and are further driven to jump bit 7 and are done
Up-down vibration.The position of pin-and-hole 12 is different, and the potential energy that jump bit 7 is obtained is different, so as to obtain different impulsive forces.The side of flywheel 16
Face is provided with multiple pin-and-holes 12, and multiple pin-and-holes 12 are different from the distance at the center of flywheel 16.
The bottom of jump bit 7 is provided with salient point 10.Salient point impacts road surface, and concave pit is formed on road surface, and mixed on road surface
Solidifying soil is internally formed ramp-like, hair shape, discontinuous crackle.The quantity of salient point 10 is 3.Salient point impacts road surface, the shape on road surface
Into 3 concave pits, and ramp-like, hair shape, discontinuous crackle are internally formed in pavement concrete, effect is more preferable.Under impact hammer 7
It is thin such as the crackle of hair, crackle through checking Old cement concrete plate surface to produce after the impact old cement concrete road of salient point 10 of end
Interlocking, the occlusion each other of both sides concrete block, is presented oblique hair check, you can judge in concrete flag through core boring sampling observation
Meet micro-cracking requirement, must otherwise adjust the position of pin-and-hole 12, until reaching the micro-cracking broken requirement of Old cement road panel.
Also include hammer cover 8, hammer cover 8 is fixedly connected with column 3, jump bit 7 is arranged in hammer cover 8 and relative hammer cover 8 is moved.
This design can effectively overcome situation of the direction of motion of jump bit with column when not parallel.Specifically, hammer cover 8 and jump bit 7
Between be provided with pulley, can effectively reduce jump bit 7 with hammer cover 8 frictional force.Jump bit equipment also includes back timber 2,
Back timber 2 is arranged on the top of column 3, and the two ends of back timber 2 are provided with fixed pulley 1.The top of column 3 is provided with to carry draws ring 5, leads
Messenger 4 draws the connection column 3 of ring 5 by carrying.The bottom of jump bit 7 is provided with apron 9.The dust that jump bit lower section can be splash
Played the effect effectively block.
Use principle：Splitting machine overlays rigid pavement or flexible road after implementing micro-cracking crushing to existing cement-concrete pavement plate
Face, and detect that not enough section basic unit overlays just after the assay was approved after implementing ground polymers slip casting through deflection value again to road bend value
Property road surface or flexible pavement.
The present invention passes through detection in advance, investigation and assessment road surface, subgrade defect situation, then uses and does not expand, do not shrink
Ground polymers to road structure layer Lack of support or deflection value deficiency section implement slip casting, with eliminate road surface inside disease.So
Afterwards, it is broken using Old cement road panel splitting machine fine fisssure formula of the present invention according to old pavement concrete structural strength, thickness, rigidity etc.
Broken cement pavement, because the splitting machine impulsive force of the present invention can be via the position adjustment of latch 12, it can be ensured that the road after broken
Face be formed as apparent cracking, split without from；Underbead crack, oblique expansion；Plate check crack, mutually chimeric perfect condition, its work
Journey has the technical effect that：Both the residual structure strength of old concrete can have been made full use of, subgrade rating higher, and old coagulation had been formed
Soil is realized preferably combining with overlay, prevents reflection crack, road surface passage, gathers around the diseases such as bag, and fully mixes old road
Concrete board regeneration.Its economic effect is：Low-carbon (LC), section material, saving construction period, save construction fund.
Cement pavement splitting machine simple structure of the invention, it is reasonable in design, smash cement concrete pavement using jump bit
Plate, causes road surface plate top surface to present tiny such as the crackle of hair, and panel itself is presented oblique crackle, therefore, plate face either water
Put down to or it is vertical, its crackle is occlusion and staggeredly, between plate is mutually fitted together to, although panel stress is released, but still tool
Have certain structural strength and a bearing capacity, after covering asphalt concrete pavement, be evenly distributed with bituminous concrete, adhesive force it is uniform
Feature so that steady layer of water necessary to can saving the rectification of conventional pav morning-night, greatlys save construction investment, accelerate road dimension
Repair the cycle, and road bend value is small after rectification, bearing capacity and it is uniform, reflection can be eliminated stitch, long service life.
Claims (10)
1. a kind of cement pavement overlay construction method, it is characterised in that comprise the following steps：
1) cement concrete pavement, is cleaved using jump bit, plate face of different sizes is formed；
2), to roadbed under plate face come to nothing layer injection geo-polymer；
3) rigid pavement or flexible pavement, are overlayed in plate face, the cement pavement of construction overlay is obtained.
2. cement pavement overlay construction method as claimed in claim 1, it is characterised in that step 1) in the size of plate face be
150mm×250mm。
3. cement pavement overlay construction method as claimed in claim 1, it is characterised in that the geo-polymer is inorganic
Mineral matter polymer.
4. cement pavement overlay construction method as claimed in claim 1, it is characterised in that step 1) in it is mixed to cement first
Solidifying soil surface carries out deflection value detection, then using the cement concrete pavement that jump bit splitting deflection value detection is not enough.
5. cement pavement overlay construction method as claimed in claim 1, it is characterised in that step 3) in first plate face is carried out
Deflection value detection, then overlays rigid pavement or flexible pavement in plate face.
6. cement pavement overlay construction method as claimed in claim 1, it is characterised in that step 2) in using static pressure to plate
Under face roadbed come to nothing layer injection geo-polymer slurries.
7. cement pavement overlay construction method as claimed in claim 1, it is characterised in that step 1) in split using jump bit
After splitting cement concrete pavement, the discontinuous hair line of concrete roadway surface band for obtaining.
8. cement pavement overlay construction method as claimed in claim 1, it is characterised in that step 2) in roadbed under plate face
It is further comprising the steps of after the layer that comes to nothing injection geo-polymer：
First, with forcing press vibroroller cmpacting road surface；
2nd, road surface floating dust is blown out；
3rd, road surface is rinsed with water；
4th, road surface natural drying.
9. cement pavement overlay construction method as claimed in claim 1, it is characterised in that step 1) in use cement pavement
Splitting machine cleaves cement concrete pavement, and the cement pavement splitting machine includes car-mounted device and jump bit equipment, described
Jump bit equipment includes fixed pulley (1), column (3), pull rope (4), jump bit (7), swing pull bar (12), traveling sheave
(14), hoist engine (15) and flywheel (16), the column (3) are vertically arranged on the car-mounted device, the top of the column (3)
Portion is provided with the fixed pulley (1), and one end of the pull rope (4) connects the jump bit (7), the pull rope (4) it is another
One end is fixedly connected with the onboard system, and the pull rope (4) is described through the fixed pulley (1) and traveling sheave (14)
The two ends for swinging pull bar (12) are hinged with the traveling sheave (14) and flywheel (16) respectively, and the hoist engine (15) drives described
Flywheel (16) is rotated.
10. cement pavement overlay construction method as claimed in claim 1, it is characterised in that the bottom of the jump bit (7)
It is provided with salient point (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710080358.3A CN106868970A (en) | 2017-02-15 | 2017-02-15 | A kind of cement pavement overlay construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710080358.3A CN106868970A (en) | 2017-02-15 | 2017-02-15 | A kind of cement pavement overlay construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106868970A true CN106868970A (en) | 2017-06-20 |
Family
ID=59166851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710080358.3A Pending CN106868970A (en) | 2017-02-15 | 2017-02-15 | A kind of cement pavement overlay construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106868970A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755322A (en) * | 2018-07-02 | 2018-11-06 | 许昌学院 | The pre- fine fisssure slip casting comprehensive strengthening method of cement concrete pavement |
| CN110245456A (en) * | 2019-06-27 | 2019-09-17 | 哈尔滨工业大学 | A kind of method of semi-rigid type base intensity and plate body non-destructive testing and quality evaluation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418243Y (en) * | 2000-01-05 | 2001-02-07 | 彭德钊 | Distance-changeable self-falling automatic continuous impactiou driller |
| EP1229168A1 (en) * | 2001-02-01 | 2002-08-07 | Albrecht Braun GmbH | Road surface and method for its construction |
| CN101691736A (en) * | 2009-09-23 | 2010-04-07 | 中交二公局第六工程有限公司 | Construction method for reconstructing old concrete pavement by paving asphalt-concrete surface layer |
| CN102337722A (en) * | 2011-07-26 | 2012-02-01 | 唐忠盛 | Pressing wheel type cement pavement vibratory crusher |
| CN203174607U (en) * | 2013-03-06 | 2013-09-04 | 杭州南联地基基础工程有限公司 | Pipe-inside impacting hammer broken earth vibration crushing and expanding immersed tube pile machine |
| WO2015105362A1 (en) * | 2014-01-10 | 2015-07-16 | 강원대학교산학협력단 | Method for repairing paved road |
-
2017
- 2017-02-15 CN CN201710080358.3A patent/CN106868970A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418243Y (en) * | 2000-01-05 | 2001-02-07 | 彭德钊 | Distance-changeable self-falling automatic continuous impactiou driller |
| EP1229168A1 (en) * | 2001-02-01 | 2002-08-07 | Albrecht Braun GmbH | Road surface and method for its construction |
| CN101691736A (en) * | 2009-09-23 | 2010-04-07 | 中交二公局第六工程有限公司 | Construction method for reconstructing old concrete pavement by paving asphalt-concrete surface layer |
| CN102337722A (en) * | 2011-07-26 | 2012-02-01 | 唐忠盛 | Pressing wheel type cement pavement vibratory crusher |
| CN203174607U (en) * | 2013-03-06 | 2013-09-04 | 杭州南联地基基础工程有限公司 | Pipe-inside impacting hammer broken earth vibration crushing and expanding immersed tube pile machine |
| WO2015105362A1 (en) * | 2014-01-10 | 2015-07-16 | 강원대학교산학협력단 | Method for repairing paved road |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755322A (en) * | 2018-07-02 | 2018-11-06 | 许昌学院 | The pre- fine fisssure slip casting comprehensive strengthening method of cement concrete pavement |
| CN110245456A (en) * | 2019-06-27 | 2019-09-17 | 哈尔滨工业大学 | A kind of method of semi-rigid type base intensity and plate body non-destructive testing and quality evaluation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Celauro et al. | Asphalt mixtures modified with basalt fibres for surface courses | |
| Svasdisant et al. | Mechanistic analysis of top-down cracks in asphalt pavements | |
| CN202787044U (en) | Longitudinal crack treatment structure for bituminous concrete pavement | |
| CN102746822B (en) | Polymer asphalt based waterproof adhesive material and preparation process and construction process thereof | |
| CN111424492B (en) | Asphalt pavement longitudinal crack treatment method | |
| CN106868970A (en) | A kind of cement pavement overlay construction method | |
| Chen et al. | Forensic evaluation of premature failures of Texas specific pavement study–1 Sections | |
| Fernández et al. | Real scale evaluation of vibration mitigation of sub-ballast layers with added tyre-derived aggregate | |
| CN106966639A (en) | A kind of poor asphalt macadam transition zone compound and semi-rigid asphalt pavement | |
| CN207498795U (en) | A kind of cement pavement splitting machine | |
| You et al. | Study of ravelling failure on dense graded asphalt pavement | |
| CN108301276A (en) | A kind of long-life tencel concrete road surface structure and construction method | |
| Titi et al. | Spatial variability of compacted aggregate bases | |
| CN106638252A (en) | Cement pavement splitter | |
| CN216663671U (en) | Highway road surface pavement structure | |
| Louw et al. | Pavement Recycling: Shrinkage Crack Mitigation in Cement-Treated Pavement Layers–Phase 1 Laboratory Testing | |
| CN203834313U (en) | Impound strap for highway pavement | |
| Li et al. | Performance and failure modes of Louisiana asphalt pavements with soil-cement bases under full-scale accelerated loading | |
| CN113445390A (en) | Pavement construction and quality control method for rapid open traffic in heavy traffic low-temperature environment | |
| Fortunato et al. | Case study on the rehabilitation of old railway lines: experimental field works | |
| CN110144797A (en) | A kind of asphaltic concrete road laying method with rational gradation composition rubble match ratio | |
| CN205775640U (en) | A kind of contact net upright post basic builds structure jointly with railway roadbed track plates | |
| CN217203422U (en) | Be used for prosthetic road surface structure of bridgehead attachment strap | |
| Momoya et al. | Deformation characteristics of track structures for level crossings subjected to heavy forklift load | |
| Hugo et al. | Innovative applications of the MLS10 for developing pavement design systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |