CN116752398A - Method and structure for replacing permanent road water stabilization layer by temporary road - Google Patents
Method and structure for replacing permanent road water stabilization layer by temporary road Download PDFInfo
- Publication number
- CN116752398A CN116752398A CN202310697862.3A CN202310697862A CN116752398A CN 116752398 A CN116752398 A CN 116752398A CN 202310697862 A CN202310697862 A CN 202310697862A CN 116752398 A CN116752398 A CN 116752398A
- Authority
- CN
- China
- Prior art keywords
- temporary
- road
- concrete
- layer
- pavement
- 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
- 238000000034 method Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 230000006641 stabilisation Effects 0.000 title claims abstract description 26
- 238000011105 stabilization Methods 0.000 title claims abstract description 26
- 239000004567 concrete Substances 0.000 claims abstract description 89
- 239000004568 cement Substances 0.000 claims abstract description 51
- 239000002689 soil Substances 0.000 claims abstract description 26
- 239000004575 stone Substances 0.000 claims abstract description 24
- 230000008439 repair process Effects 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 72
- 238000005056 compaction Methods 0.000 claims description 20
- 238000002955 isolation Methods 0.000 claims description 14
- 239000011384 asphalt concrete Substances 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000009490 roller compaction Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 3
- 230000008569 process Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 16
- 238000007689 inspection Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process 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
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
- E01C9/086—Temporary pavings made of concrete, wood, bitumen, rubber or synthetic material or a combination thereof
-
- 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
- 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
-
- 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
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Road Paving Structures (AREA)
Abstract
The application discloses a method for replacing a permanent road water stabilization layer by a temporary road, which comprises the following steps: compacting a soil layer, paving graded broken stone and paving a cement concrete temporary pavement; repairing the damaged cement concrete temporary pavement after use; and (5) performing separated concrete additional pavement on the temporary pavement. The application uses the temporary road as the permanent road water stabilization layer to take advantage of cost, uses the cement concrete temporary road to replace the water stabilization layer, and repairs the tie bar implanted in the temporary road, thereby ensuring the road to be used as the water stabilization layer, avoiding the road from generating overlarge potholes and cracks in the using process, reducing the secondary cost in the later period and achieving the purpose of reducing the cost. The original concrete temporary road is crushed again, the road area is larger, and the repairing method is adopted, so that the manpower and material resources are very little.
Description
Technical Field
The application belongs to the technical field of road engineering, and relates to a method and a structure for replacing a permanent road water stabilization layer by a temporary road.
Background
The construction method has the advantages that the engineering body is large in quantity, a large amount of materials enter the construction process, the material trucks are large-tonnage transport trucks, and the main material trucks are large, so that a temporary road is constructed at the position of a designed permanent road for meeting the requirements of vehicle passing and material transportation in the construction process. Because the permanent road has the condition of setting the water stabilization layer, the temporary road has low construction requirement as temporary engineering, and the water stabilization layer is not required to be set. The method is characterized in that after the construction of the main body structure is finished, when a temporary road is not needed, the temporary road is crushed and petrochemical, and is used as a water-stable layer raw material for construction, and the method for recycling the temporary road old concrete achieves an environment-friendly effect to a certain extent, but the process cost of the old concrete for crushing and petrochemical, material recycling and material processing is high, and the construction period is long. The method is characterized in that a permanent road is combined with a temporary road, and the method is economical, but the permanent combined road can delay the construction start time of a main structure, and the road has poor appearance after completion due to high-frequency passing of large-tonnage vehicles. And in the construction process, temporary facilities needing secondary cost investment are changed under the condition of ensuring normal construction, so that the investment of secondary cost is reduced.
Disclosure of Invention
The application provides a method and a structure for replacing a permanent road water stabilization layer of a temporary road, which achieve the aim of reducing the manpower and material resources used by paving a cement concrete temporary road surface and repairing the damaged cement concrete temporary road surface after use.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a method for replacing a permanent road water stabilization layer by a temporary road, comprising the following steps: compacting a soil layer, paving graded broken stone and paving a cement concrete temporary pavement; repairing the damaged cement concrete temporary pavement after use; and (5) performing separated concrete additional pavement on the temporary pavement.
Preferably, the soil layer compaction comprises vibration ramming of an excavator and compaction of a road roller, and the compaction degree of the soil layer compaction is greater than or equal to 93%.
Preferably, the step of paving graded broken stone and the step of paving cement concrete temporary pavement comprise the step of paving 200mm thick graded broken stone and the step of paving 175mm thick C20 cement concrete temporary pavement.
Preferably, the repairing of the damaged cement concrete temporary pavement after use comprises plain concrete repairing and tie bar planting repairing; the cement concrete is severely damaged, and stagger, hollow and local settlement are repaired by using tie bar planting ribs; the damage of the cement concrete with small generation degree is repaired by plain concrete.
Preferably, the repairing of the tie bar comprises the following steps: cutting along the periphery of the damaged pavement, and cleaning damaged concrete; leveling the broken stone of the substrate to the elevation of the bottom surface of the concrete; and (5) drilling holes, planting pull rod ribs and pouring concrete.
Preferably, the separate concrete additional pavement on the temporary pavement comprises the construction of an isolation layer on the cement concrete temporary pavement and the construction of a surface layer again.
Preferably, the barrier layer comprises a 25mm thick asphalt concrete barrier layer; the facing layer comprised 250mm thick C40 cement concrete.
The temporary road structure for replacing permanent road water stabilization layer includes soil layer, graded broken stone, cement concrete temporary road surface, isolating layer and surface layer.
Preferably, the graded crushed stone comprises 200mm thick graded crushed stone; the cement concrete temporary pavement comprises a 175mm thick C20 cement concrete temporary pavement; the isolation layer comprises a 25mm thick asphalt concrete isolation layer; the facing layer comprised 250mm thick C40 cement concrete.
Preferably, the compaction degree of the soil layer is greater than or equal to 93%.
The application has the beneficial effects that: the application uses the temporary road as the permanent road water stabilization layer to take advantage of cost, uses the cement concrete temporary road to replace the water stabilization layer, and repairs the tie bar implanted in the temporary road, thereby ensuring the road to be used as the water stabilization layer, avoiding the road from generating overlarge potholes and cracks in the using process, reducing the secondary cost in the later period and achieving the purpose of reducing the cost. The original concrete temporary road is crushed again, the road area is larger, and the repairing method is adopted, so that the manpower and material resources are very little.
Drawings
FIG. 1 is a schematic diagram of the method steps.
Fig. 2 is a schematic structural view of the present application.
The reference numerals are explained as follows: 1-soil layer; 2-grading crushed stone; 3-cement concrete temporary pavement; 4-isolating layer; 5-surface layer.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments, and the present application is not limited by the exemplary embodiments described herein. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The application provides a method for replacing a permanent road water stabilization layer by a temporary road in the embodiment of the application, which comprises the following steps of: compacting a soil layer, paving graded broken stone and paving a cement concrete temporary pavement; repairing the damaged cement concrete temporary pavement after use; and (5) performing separated concrete additional pavement on the temporary pavement. The graded broken stone and the cement concrete are paved on the compacted soil layer to be used as temporary pavement, so that the use requirement of the temporary pavement is met, the temporary pavement can be used as a water stable layer of a permanent road after engineering is finished, the damaged cement concrete temporary pavement after use is repaired, and the effect of the temporary pavement in the use process as the water stable layer is guaranteed.
The soil layer compaction comprises vibration compaction of an excavator and compaction of a road roller, and the compaction degree of the soil layer compaction is greater than or equal to 93%. Soil compaction can be carried out by using an excavator crawler or by using an excavator high-frequency vibration compaction method and a road roller compaction method by using mechanical dead weight and vibration, the compaction degree is measured by using a pit digging and sand filling method, and the result compaction degree in the area is greater than or equal to 93% by using the pit digging and sand filling method.
The paving of graded broken stone and cement concrete temporary pavement comprises paving of graded broken stone with the thickness of 200mm and paving of C20 cement concrete temporary pavement with the thickness of 175 mm. The temporary road can meet the traffic requirement by using C20 concrete, and has low price, lower elastic modulus and properties closer to those of the traditional water stable layer.
In the using process of the temporary road, due to the reasons of uneven settlement of soil layers, frequent running of heavy vehicles, low strength of the temporary road and the like, relatively serious damages such as staggering, potholes, local settlement and the like can occur in a small part of areas, and the damaged road surface is required to be repaired before being paved, and the repairing of the damaged cement concrete temporary road surface after being used comprises plain concrete repairing and tie bar planting repairing; the cement concrete is severely damaged, and stagger, hollow and local settlement are repaired by using tie bar planting ribs; the damage of the cement concrete with small generation degree is repaired by plain concrete. The tie bar planting rod and the concrete form good adhesion, so that the anchoring strength is ensured, the original structure damage is reduced by the tie bar planting rod, the engineering quantity is reduced, the original structure is not required to be damaged in a large area, and small damage can be directly repaired by plain concrete.
The method comprises the following steps of filling and repairing materials to a damaged concrete pavement, and processing the damaged part in a cutting, digging and filling mode, wherein the repairing of the tie bar planting bar comprises the following steps: cutting along the periphery of the damaged pavement, and cleaning damaged concrete; leveling the broken stone of the substrate to the elevation of the bottom surface of the concrete; and (5) drilling holes, planting pull rod ribs and pouring concrete.
The separate concrete additional paving on the temporary pavement comprises the construction of an isolation layer and the construction of a surface layer on the cement concrete temporary pavement. An isolation layer is arranged between the separated concrete layers, the influence capability of the concrete is weakened, and the method is suitable for temporary road conditions which are easy to damage.
The isolation layer comprises a 25mm thick asphalt concrete isolation layer; the facing layer comprised 250mm thick C40 cement concrete. The surface layer adopts admixture concrete, part of fly ash replaces cement, the compressive strength is slightly reduced, the flexural strength is improved, and the price of the fly ash admixture is not much different from that of common cement.
The temporary road replaces the structure of the permanent road water stabilization layer, and comprises a soil layer 1, wherein graded broken stone 2, a cement concrete temporary pavement 3, an isolation layer 4 and a surface layer 5 are paved above the soil layer 1 in sequence.
The graded broken stone 2 comprises graded broken stone with the thickness of 200 mm; the cement concrete temporary pavement 3 comprises a 175mm thick C20 cement concrete temporary pavement; the isolation layer 4 comprises a 25mm thick asphalt concrete isolation layer; the facing 5 comprises 250mm thick C40 cement concrete. The compactness of the soil layer 1 is greater than or equal to 93%.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Discharging the central line and slope foot line of the roadbed, removing impurities such as surface garbage and humus soil in the roadbed range, finding out the positions and elevations of underground structures and pipelines in the site range, taking necessary measures to prevent damage caused by dynamic compaction construction, firstly, primarily rolling the pavement by utilizing the crawler belt of the excavator, and then filling soil according to the elevations required by the site; after the soil layer is preliminarily leveled, the soil layer is tamped, and meanwhile, the compactness is checked on site until the required compactness is achieved. And pouring a concrete pavement, and simultaneously, performing on-site concrete standard condition maintenance test blocks. In addition to test block inspection and test strength, the concrete pouring is finished for 14 days, three points are selected for rebound test recording by using a rebound tester in each area, the calculated rebound estimated strength is calculated according to 2.207J-line standard, and the concrete strength of the temporary road can be found to meet the requirement according to the rebound value and the inspection report obtained by inspection. And (3) repairing the pavement after the temporary pavement is used, and before starting work, firstly, performing on-site inspection by a manager for one time, and marking the damaged pavement. During construction, a region with a hollow and a large crack is cut, the cut region is broken point by using the broken Dan Jiju, and the depth of the broken region is required to be flush with the base of the concrete pavement. And after all the damaged areas are cleaned, repairing the tie bar implanted bars, paving separated concrete on the temporary pavement, and constructing and pouring concrete on the asphalt concrete isolation layer on the cement concrete temporary pavement.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The method for replacing the permanent road water stabilization layer by the temporary road is characterized by comprising the following steps of:
compacting a soil layer, paving graded broken stone and paving a cement concrete temporary pavement;
repairing the damaged cement concrete temporary pavement after use;
and (5) performing separated concrete additional pavement on the temporary pavement.
2. A method of replacing a permanent roadway water stabilization layer with a temporary roadway according to claim 1, wherein the soil compaction comprises excavator vibratory compaction and road roller compaction, and wherein the compaction degree of the soil compaction is greater than or equal to 93%.
3. A method of replacing a permanent road water stabilization layer with a temporary road according to claim 1, wherein the paving of graded crushed stone and paving of cement concrete temporary pavement comprises paving of graded crushed stone 200mm thick and paving of C20 cement concrete temporary pavement 175mm thick.
4. The method for replacing a permanent road water stabilization layer by a temporary road according to claim 1, wherein the repairing of the damaged cement concrete temporary road surface after use comprises plain concrete repairing and tie bar planting repairing;
the cement concrete is severely damaged, and stagger, hollow and local settlement are repaired by using tie bar planting ribs;
the damage of the cement concrete with small generation degree is repaired by plain concrete.
5. The method for replacing a permanent road water stabilization layer with a temporary road according to claim 4, wherein the tie bar planting repair comprises the steps of:
cutting along the periphery of the damaged pavement, and cleaning damaged concrete;
leveling the broken stone of the substrate to the elevation of the bottom surface of the concrete;
and (5) drilling holes, planting pull rod ribs and pouring concrete.
6. The method of claim 1, wherein the step of applying the split concrete pavement to the temporary pavement comprises applying an insulation layer to the cement concrete temporary pavement.
7. A method of replacing a permanent road water stabilization layer with a temporary road according to claim 6, wherein the insulation layer comprises a 25mm thick asphalt concrete insulation layer;
the facing layer comprised 250mm thick C40 cement concrete.
8. The structure of the temporary road for replacing the permanent road water stabilization layer is characterized by comprising a soil layer, wherein graded broken stone, a cement concrete temporary pavement, an isolation layer and a surface layer are paved above the soil layer in sequence.
9. The method of replacing a permanent road water stabilization layer with a temporary road according to claim 8, wherein the graded crushed stone comprises 200mm thick graded crushed stone;
the cement concrete temporary pavement comprises a 175mm thick C20 cement concrete temporary pavement;
the isolation layer comprises a 25mm thick asphalt concrete isolation layer;
the facing layer comprised 250mm thick C40 cement concrete.
10. The method of replacing a permanent road water stabilization layer with a temporary road according to claim 8, wherein the compaction degree of the soil layer is greater than or equal to 93%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310697862.3A CN116752398A (en) | 2023-06-13 | 2023-06-13 | Method and structure for replacing permanent road water stabilization layer by temporary road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310697862.3A CN116752398A (en) | 2023-06-13 | 2023-06-13 | Method and structure for replacing permanent road water stabilization layer by temporary road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116752398A true CN116752398A (en) | 2023-09-15 |
Family
ID=87960254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310697862.3A Pending CN116752398A (en) | 2023-06-13 | 2023-06-13 | Method and structure for replacing permanent road water stabilization layer by temporary road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116752398A (en) |
-
2023
- 2023-06-13 CN CN202310697862.3A patent/CN116752398A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108316089B (en) | Method for repairing pavement by adopting plain concrete and reinforced concrete | |
| CN109972659A (en) | The novel municipal administration of one kind checks well construction and construction method | |
| CN111962350A (en) | Geocell reinforced cement concrete pavement structure and method for calculating thickness of surface slab | |
| CN110438858A (en) | A kind of hard and soft is seamless Pavement Base Structure and its construction method | |
| CN106567410A (en) | New construction method of municipal road inspection well | |
| CN108755322A (en) | The pre- fine fisssure slip casting comprehensive strengthening method of cement concrete pavement | |
| CN212452152U (en) | Geotechnique's check room adds muscle cement concrete pavement structure | |
| CN104452510A (en) | Immediate construction method of rural road | |
| CN111535108A (en) | High-strength permanent pavement and construction method thereof | |
| CN107905082B (en) | Crushing and utilizing method suitable for old cement concrete panel under poor support | |
| CN110878503A (en) | Damaged asphalt pavement repairing method | |
| CN213804863U (en) | Temporary expansion joint construction device | |
| CN117758549A (en) | Construction process of ballastless track of urban railway | |
| CN107558324A (en) | The Steel Fibre Concrete Pavement and its construction technology of a kind of tramcar and road usual friendship mouth | |
| CN116536992A (en) | Airport pavement broken board repairing method | |
| CN117051640A (en) | Structural combination design optimization method for repairing cement pavement | |
| CN116752398A (en) | Method and structure for replacing permanent road water stabilization layer by temporary road | |
| CN111021186A (en) | Method for repairing large-space joint of concrete pavement slab | |
| CN211171537U (en) | Road repairing roadbed structure | |
| CN110607725B (en) | Anti-cracking cement road and construction method thereof | |
| CN113564996A (en) | Construction method for directly laying asphalt based on cement pavement | |
| CN208055793U (en) | A kind of structure using plain concrete and reinforced concrete repairing road | |
| US2085420A (en) | Method of making or repairing roads | |
| US3518924A (en) | Method of construction for streets and the like | |
| CN110106760A (en) | A kind of urban road restorative procedure controlling settlement of foundation |
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 |