CN115198592A - High polymer reinforcing and repairing method for cement road panel edge void - Google Patents
High polymer reinforcing and repairing method for cement road panel edge void Download PDFInfo
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- CN115198592A CN115198592A CN202210872894.8A CN202210872894A CN115198592A CN 115198592 A CN115198592 A CN 115198592A CN 202210872894 A CN202210872894 A CN 202210872894A CN 115198592 A CN115198592 A CN 115198592A
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- 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
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- 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
- E01C23/04—Devices for laying inserting or positioning reinforcing elements or dowel bars with or without joint bodies; Removable supports for reinforcing or load transfer elements; Devices, e.g. removable forms, for making essentially horizontal ducts in paving, e.g. for prestressed reinforcements
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- 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
- E01C23/09—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
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- 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
- E01C23/10—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 raising or levelling sunken paving; for filling voids under paving; for introducing material into substructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Road Repair (AREA)
Abstract
The invention relates to the technical field of restoration of a cement road panel edge void defect, in particular to a high polymer reinforcement restoration method aiming at the cement road panel edge void defect, which comprises the following steps: s1: according to the detection result of the road surface diseases, plate seam grouting holes are formed in plate edges with void diseases and plate seams between every two adjacent panels; s2: arranging a reinforcing grouting hole at the plate edge void defect; s3: inserting grouting pipes into the slab joint grouting holes and the reinforcing grouting holes, grouting the slab joint grouting holes firstly, and then grouting the reinforcing grouting holes; s4: installing a later-stage dowel bar, and installing the later-stage dowel bar at the failure position of the dowel bar or the position where the later-stage dowel bar needs to be additionally installed according to the deflection detection result; s5: performing supplementary grouting on the slab joint grouting holes; s6: the grouting pipe and the grouting head are cleaned, plugging is carried out, and the plate joint is filled, the reinforcing and repairing method carries out reinforcing and repairing through filling high polymer, and the method has a good treatment effect on the void diseases of the edges of the cement road surface plate.
Description
Technical Field
The invention relates to the technical field of restoration of a cement road panel edge void defect, in particular to a high polymer reinforcement restoration method aiming at the cement road panel edge void defect.
Background
Because the asphalt concrete pavement has high cost and relative scarcity of corresponding resource reserves in China, and the cement concrete pavement has the characteristics of high strength, strong durability, long service life and the like, the construction of the pavement in China is mainly the mode of the adopted cement concrete pavement. The structural form of the cement concrete pavement determines that the pavement structural material is mainly a cement stabilizing material. The semi-rigid material has high strength, large bearing capacity and good water stability, and in addition, the inorganic binder has large reserves, low price and rich application experience in China, and the semi-rigid material can still be the main base material in a long time in the future. However, in the process of using the cement concrete pavement slab, under the repeated action of load, the cement stabilized base layer under the slab generates certain plastic deformation, and meanwhile, under the influence of temperature stress, the cement concrete pavement slab generates certain warping, so that the contact between the pavement slab and the interface of the base layer generates partial discontinuity. The cement concrete pavement slab and the contact surface of the base layer are partially peeled off, under the combined action of load, rainfall and structural free water, the cement pavement slab inevitably has the problems of scouring, sludge pumping and the like, and along with the deepening of the scouring erosion action of repeated load and water, the cement concrete pavement slab can have the problem of void at the bottom of different degrees. If the void defect is not treated in time, when a load is applied to the pavement slab, stress concentration occurs at the edge portion of the void region, and defects such as slab breakage, slab staggering, and joint fracture gradually occur. The flight quality is seriously influenced, and great potential safety hazard is brought. Patent document No. 201210338112.9 discloses a method for rapidly repairing a cement concrete pavement void disease, wherein a cement fly ash composite material is adopted, and a pavement panel is not reinforced by the repairing method.
Therefore, the method for reinforcing and repairing the void diseases of the edges of the cement road surface plates by using the non-excavation high polymer is developed to quickly treat the void diseases, and has important significance for the development of basic engineering non-excavation repair engineering.
Disclosure of Invention
The invention provides a high polymer reinforcing and repairing method for the defect of board edge void of a cement road, and aims to solve the problem that board edges of a cement concrete road board are void to different degrees at the bottom of the cement concrete road board along with the deepening of repeated load and the scouring and erosion action of water.
In order to achieve the purpose, the invention provides a high polymer reinforcing and repairing method for the defect of the edge void of a cement road panel, which comprises the following steps:
s1: according to the detection result of the road surface diseases, plate gap grouting holes are formed in plate edges of the void disease plates and plate gaps between every two adjacent panels;
s2: arranging a reinforcing grouting hole at the plate edge void defect;
s3: inserting grouting pipes into the slab joint grouting holes and the reinforcing grouting holes, grouting the slab joint grouting holes firstly, and then grouting the reinforcing grouting holes;
s4: installing a later-stage dowel bar, and installing the later-stage dowel bar at the failure position of the dowel bar or the position where the later-stage dowel bar needs to be additionally installed according to the deflection detection result;
s5: performing supplementary grouting on the slab joint grouting holes;
s6: cleaning the grouting pipe and the grouting head, plugging, and filling the plate joint.
Preferably, in step S2, the distance between the reinforcing grouting holes is L/4, the longitudinal distance from the reinforcing grouting hole on the outermost edge to the plate edge is L/8, and the transverse length of the plate edge is L.
Preferably, in the step S2, if only one side panel has a void, only the reinforcing grouting holes need to be arranged on the one side panel; if the panels on the two sides have the void, reinforcing grouting holes are symmetrically arranged on the panels on the two sides along the plate seams.
Preferably, in the step S1, a transverse distance from the plate seam grouting hole to the plate edge is K, and if the plate edge void defect width is known, K is equal to 1/2 of the plate edge void defect width; if the width of the plate edge void disease is unknown, the value range of K is M/8, and the longitudinal length of the plate edge is M.
Preferably, later stage dowel steel includes the crisscross first dowel steel and the second dowel steel that set up in different planes, first dowel steel forward sets up, the reverse setting of second dowel steel is calculated the interval in the central point department of first dowel steel and second dowel steel, and the interval of two sets of adjacent later stage dowel steel is not more than 40cm, takes place under the condition of break angle at the board angle, if dowel steel overlength will suitably reduce dowel steel length, is not less than standard length 3/4 to carry out encryption processing.
Preferably, in step S3, the high polymer grouting is performed simultaneously to the reinforcement grouting holes at both sides of the plate joint, and the reinforcement grouting holes at the edge are grouted first and then the cloth grouting holes at the middle part are grouted.
Preferably, in step S3, the depth of the grouting pipe inserted into the cement way panel is not less than the thickness of the panel, the depth of the grouting hole is not less than the thickness of the cement way panel, the diameter of the grouting hole is 1.6cm, and the grouting pressure is set to be 7.0MPa.
Preferably, in step S3, the grouting is stopped immediately when the grouting amount reaches the design grouting amount, or there is a slurry flowing out at the plate seam, or there is a sign of lifting of the plate.
Preferably, in step S3, if the bending detection is failed, the refilling is required.
Preferably, leveling biography power reinforcing apparatus includes that rotation, expansion bolts, short beam, set nut and last location structure at the bottom of the board, expansion bolts arranges in rotation both sides and symmetry set up at the bottom of the board, the short beam with rotation and expansion bolts connect at the bottom of the board, set nut arranges in on the expansion bolts, the short beam passes through set nut advances line location, it arranges in to go up location structure the combination short slab top and with rotation is connected at the bottom of the board, rotatable to cement road surface board below in rotation bottom at the bottom of the board, it spans adjacent cement road surface board to go up location structure.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: according to the high polymer reinforcing and repairing method for the cement road panel edge void defects, provided by the invention, the cement concrete road panel bottom can have different degrees of panel edge void defects due to deepening of repeated load and erosion and corrosion action of water, and the high polymer reinforcing and repairing method is used for reinforcing and repairing the panel edge void defects with failed dowel bars through rapid filling of high polymers, and is suitable for grouting and repairing of the panel edge void defects with failed dowel bars. Later stage dowel bar can effectively act as the effect of dowel bar, coordinates the mechanical balance of two railway faceplates, effectively prevents to produce wrong platform or even disconnected board because the unbalanced slab lifting of slip casting volume leads to. By adopting the method to carry out high polymer grouting, the slurry is diffused more uniformly, the mechanical bearing capacity is more excellent, and the void diseases at the edges of the cement road surface plate are effectively repaired and reinforced. The method adopts a non-excavation method, the diameter of a grouting hole is only 1.6cm, the grouting time of a single grouting hole is only 1-2 minutes, and the defect of the single plate edge void is only 15-25 minutes. And a certain reference basis is provided for the repair and reinforcement project of the void at the bottom of the cement road panel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic layout diagram of slab joint grouting holes in step S1 of the high polymer reinforcement repair method for the defects of the concrete pavement slab edges void provided by the invention;
FIG. 2 is a schematic diagram of the positions of reinforcing grouting holes in step S2 of the high polymer reinforcing and repairing method for the defects of the concrete pavement panel edges in the invention;
FIG. 3 is a schematic view of the installation of the late dowel provided by the present invention;
FIG. 4 is a schematic diagram of the positions of reinforcing grouting holes in step S5 of the high polymer reinforcing and repairing method for the defects of the concrete pavement panel edges in the present invention;
fig. 5 is a schematic view of the installation position structure of the late dowel bar provided by the invention.
[ description of reference ]
1: a void disease plate; 2: a panel; 3: plate sewing; 4: grouting holes for plate seams; 5: the plate edge is hollow; 6: reinforcing the grouting holes; 7: a later-stage dowel bar; 71: a first transfer lever; 72: a second dowel bar.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the accompanying drawings
The present invention will be described in detail.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The invention provides a high polymer reinforcement and restoration method aiming at the side void damage of a cement road panel 2, which is applied to the emergency reinforcement and restoration of the foundation engineering of the side void damage pair of the cement road panel 2 caused by the influence of long-term acting load and underground water. And is also suitable for grouting and repairing the plate edge void disease high polymer with the failed dowel bar. As shown in fig. 1-4, it includes the following steps:
s1: according to the detection result of the road surface damage, plate gap grouting holes 4 are formed in plate gaps 3 between the edges of the void damaged plates 1 and the adjacent panels 2; the distance between the plate seam grouting holes 4 can be set to be L/4, the transverse distance from the grouting holes to the plate edges is K, and if the width of the plate edge void defect is known, K is equal to 1/2 of the width of the plate edge void defect; if the width of the plate edge void disease is unknown, the value range of K is M/8, the longitudinal length of the plate edge is M, the value range of K is 30-40cm, and specifically, if the minimum edge length is more than 4 meters, 40cm is taken; if the minimum side length is less than 4 meters, taking 30cm.
S2: arranging a reinforcing grouting hole 6 at a plate edge void diseased part 5; 4 reinforcing grouting holes 6 are arranged on each plate edge, the distance between the reinforcing grouting holes 6 is L/4, the longitudinal distance from the grouting hole on the outermost edge to the plate edge is L/8, so that uniform grouting is facilitated, the grouting amount is easy to control, and the length of the plate edge is L; if only the single-side panel 2 has a void, only the reinforcing grouting holes 6 need to be arranged on the single-side panel 2; if the panels 2 on the two sides have the void, reinforcing grouting holes 6 are symmetrically arranged on the panels 2 on the two sides along the plate seams 3.
S3: grouting pipes are inserted into the plate joint grouting holes 4 and the reinforcing grouting holes 6, grouting is firstly carried out on the plate joint grouting holes 4, and then grouting is carried out on the reinforcing grouting holes 6; and (3) performing high polymer grouting on the reinforcing grouting holes 6 at two sides of the plate joint 3 at the same time, grouting the reinforcing grouting holes 6 at the edges, and then grouting the reinforcing grouting holes 6 at the middle part. The depth of the grouting pipe inserted into the cement way panel 2 is not less than the thickness of the panel, the depth of the grouting hole is not less than the thickness of the cement way panel 2, the diameter of the grouting hole is 1.6cm, and the grouting pressure is set to be 7.0MPa. When the grouting amount reaches the designed grouting amount, or the plate seam 3 has the slurry flowing out, or the plate has the sign of lifting, the grouting is immediately stopped, the injection gun and the injection head can be separated after waiting for 2 minutes, and if the grouting amount is unqualified after deflection detection, the injection is needed to be supplemented.
S4: mounting a later-stage dowel bar 7, and mounting the later-stage dowel bar 7 at the failure position of the dowel bar or the position where the later-stage dowel bar 7 needs to be additionally mounted according to the deflection detection result;
s5: performing supplementary grouting on the slab joint grouting holes 4;
s6: cleaning the grouting pipe and the grouting head, plugging, and filling the plate joint 3.
In addition, as shown in fig. 3 and 5, multiple groups of late-stage force transmission rods 7 are arranged in the high polymer reinforcing and repairing method for the cement road panel 2 side void defects, each group of late-stage force transmission rods 7 comprises first force transmission rods 71 and second force transmission rods 72 which are arranged in a staggered mode in different planes, the first force transmission rods 71 are arranged in the forward direction, the second force transmission rods 72 are arranged in the reverse direction, the distance is calculated at the central points of the first force transmission rods 71 and the second force transmission rods 72, the distance between every two adjacent late-stage force transmission rods 7 is not more than 40cm, and under the condition that a plate corner has a broken angle, if the force transmission rods are too long, the length of the force transmission rods needs to be properly reduced (not less than 3/4 of the standard length), and encryption processing is carried out. The design requirements relating to the transfer levers involved in the method apply to both the first transfer lever 71 and the second transfer lever 72.
As shown in fig. 5, the first force transmission rod 71 is designed to be inclined downwards and sequentially passes through the void damage plate 1, the plate thickness center line and the second concrete way panel 2; the second dowel bars 72 are designed to be inclined downwards and sequentially penetrate through the second cement way panel 2, the plate thickness center line O and the void damage plate 1.
And the space between the first force transmission rod 71 and the second force transmission rod 72 of each group of later-stage force transmission rods 7 is k, and the k value is not less than 10cm and not more than 35cm. The two force transfer rods are obliquely arranged, so that the stress condition is slightly worse than that of the horizontally arranged force transfer rods and component force is generated in the direction of an inclination angle, and the other force transfer rod with the different surfaces staggered can effectively counteract the oblique component force and strengthen the force transfer effect. In order to prevent the cement concrete between the two force transfer rods from being damaged by stress concentration caused by applying a load too close to the distance, the effect of the reverse force transfer rods is not obvious because of too far distance, and the k value is preferably not less than 10cm and not more than 35cm.
The high polymer reinforcing and repairing method for the edge void diseases of the cement road panel 2, provided by the invention, can be used for reinforcing and repairing the edge void diseases of different degrees at the bottom of the cement concrete road panel 2 due to the deepening of repeated load and the scouring and erosion action of water, and is suitable for grouting and repairing the void diseases of the edge of the plate with a failed dowel bar by quickly filling the high polymer. Later stage dowel bar 7 can effectively act as the effect of dowel bar, coordinates two 2 mechanical equilibrium of guidance tape face boards, effectively prevents because the unbalanced production wrong platform of 2 lifting of slip casting volume or even disconnected board. By adopting the method to carry out high polymer grouting, the slurry is diffused more uniformly, the mechanical bearing capacity is more excellent, and the void at the edge of the cement road panel 2 is effectively repaired and reinforced. The method adopts a non-excavation method, the diameter of a grouting hole is only 1.6cm, the grouting time of a single grouting hole is only 1-2 minutes, and the void defect of the edge of a single plate is only 15-25 minutes. And a certain reference basis is provided for the repair and reinforcement project of the void at the bottom of the cement way panel 2.
It should be understood that the above description of specific embodiments of the present invention is only for the purpose of illustrating the technical lines and features of the present invention, and is intended to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, but the present invention is not limited to the above specific embodiments. It is intended that all such changes and modifications as fall within the scope of the appended claims be embraced therein.
Claims (9)
1. A high polymer reinforcing and repairing method for the defect of the edge void of a cement road panel is characterized by comprising the following steps:
s1: according to the detection result of the road surface defect, plate gap grouting holes are formed in plate gaps between the edges of the void defect plates and the adjacent panels;
s2: arranging a reinforcing grouting hole at the plate edge void defect;
s3: inserting grouting pipes into the slab joint grouting holes and the reinforcing grouting holes, grouting the slab joint grouting holes firstly, and then grouting the reinforcing grouting holes;
s4: installing a later-stage dowel bar, and installing the later-stage dowel bar at the failure position of the dowel bar or the position where the later-stage dowel bar needs to be additionally installed according to the deflection detection result;
s5: performing supplementary grouting on the slab joint grouting holes;
s6: and cleaning the grouting pipe and the grouting head, plugging and filling the plate seam.
2. The method for strengthening and repairing the high polymer aiming at the void defect of the cement road panel edge as claimed in claim 1, wherein in step S2, the distance between the strengthening grouting holes is L/4, the longitudinal distance from the strengthening grouting hole on the outermost edge to the panel edge is L/8, and the transverse length of the panel edge is L.
3. The method for reinforcing and repairing high polymer aiming at the void defects of the edges of the panels of the cement road according to claim 1, wherein in the step S2, if only one side panel has void defects, only reinforcing grouting holes need to be arranged on the one side panel; if the panels on the two sides have the void, reinforcing grouting holes are symmetrically arranged on the panels on the two sides along the plate seams.
4. The method for reinforcing and repairing the high polymer aiming at the defects of the concrete pavement panel edge hollowing according to claim 2, wherein in the step S1, the transverse distance from the slab joint grouting hole to the panel edge is K, and if the width of the defects of the panel edge hollowing is known, K is equal to 1/2 of the width of the defects of the panel edge hollowing; if the width of the plate edge void defect is unknown, the value range of K is M/8, and the longitudinal length of the plate edge is M.
5. The method for reinforcing and repairing the high polymer aiming at the void defect of the side of the cement road panel according to claim 1, wherein the later-stage dowel bars comprise first dowel bars and second dowel bars which are arranged in a staggered mode in different planes, the first dowel bars are arranged in a forward direction, the second dowel bars are arranged in a reverse direction, the distance between the first dowel bars and the second dowel bars is calculated at the central points of the first dowel bars and the second dowel bars, and the distance between two adjacent later-stage dowel bars is not more than 40cm.
6. The method for strengthening and repairing the high polymer against the defect of the hollowing of the cement road panel according to claim 1, wherein in the step S3, the strengthening grouting holes at two sides of the plate joint are simultaneously grouted with the high polymer, and the strengthening grouting holes at the edge are grouted first and then the strengthening grouting holes at the middle part are grouted.
7. The method for reinforcing and repairing high polymer aiming at the defect of the edge void of the cement road panel as claimed in claim 1, wherein in step S3, the depth of the grouting pipe inserted into the cement road panel is not less than the thickness of the panel, the depth of the grouting hole is not less than the thickness of the cement road panel, the diameter of the grouting hole is 1.6cm, and the grouting pressure is set to be 7.0MPa.
8. The method for strengthening and repairing the high polymer against the defects of the concrete pavement panel edge void according to claim 1, wherein in step S3, grouting is stopped immediately when the grouting amount reaches the design grouting amount, or slurry flows out of a panel joint, or the panel is lifted.
9. The method for reinforcing and repairing the high polymer against the defects of the cement road panel edge void according to claim 1, wherein in step S3, if the cement road panel edge void is unqualified after deflection detection, the refilling is required.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210872894.8A CN115198592A (en) | 2022-07-22 | 2022-07-22 | High polymer reinforcing and repairing method for cement road panel edge void |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210872894.8A CN115198592A (en) | 2022-07-22 | 2022-07-22 | High polymer reinforcing and repairing method for cement road panel edge void |
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| CN115198592A true CN115198592A (en) | 2022-10-18 |
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| CN202210872894.8A Pending CN115198592A (en) | 2022-07-22 | 2022-07-22 | High polymer reinforcing and repairing method for cement road panel edge void |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261264A (en) * | 2007-03-09 | 2008-09-10 | 郑州大学 | Semi-rigid base layer disease detection and high polymer grouting rapid servicing technology |
| DE102010021936A1 (en) * | 2010-05-28 | 2011-12-01 | Fugen-Tec Gmbh | Method for renovation of defective grouting of e.g. natural stone, involves removing defective part of grouting by pressurizing joint with pressure jet, and filling joints with joints ejected material |
| CN102979025A (en) * | 2012-12-24 | 2013-03-20 | 中国民航大学 | Dowel steel of cement concrete pavement slab |
| CN107165035A (en) * | 2017-06-30 | 2017-09-15 | 郑州陆得新基础工程有限公司 | Airfield pavement plat-bottom escape Treatment Methods |
| CN215714342U (en) * | 2021-03-31 | 2022-02-01 | 安徽省国元建工集团有限公司 | Old cement road surface reforms transform structure |
| CN114293450A (en) * | 2021-12-30 | 2022-04-08 | 中国民航大学 | Cement concrete road surface plate edge concealed grouting and void risk evaluation method |
-
2022
- 2022-07-22 CN CN202210872894.8A patent/CN115198592A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261264A (en) * | 2007-03-09 | 2008-09-10 | 郑州大学 | Semi-rigid base layer disease detection and high polymer grouting rapid servicing technology |
| DE102010021936A1 (en) * | 2010-05-28 | 2011-12-01 | Fugen-Tec Gmbh | Method for renovation of defective grouting of e.g. natural stone, involves removing defective part of grouting by pressurizing joint with pressure jet, and filling joints with joints ejected material |
| CN102979025A (en) * | 2012-12-24 | 2013-03-20 | 中国民航大学 | Dowel steel of cement concrete pavement slab |
| CN107165035A (en) * | 2017-06-30 | 2017-09-15 | 郑州陆得新基础工程有限公司 | Airfield pavement plat-bottom escape Treatment Methods |
| CN215714342U (en) * | 2021-03-31 | 2022-02-01 | 安徽省国元建工集团有限公司 | Old cement road surface reforms transform structure |
| CN114293450A (en) * | 2021-12-30 | 2022-04-08 | 中国民航大学 | Cement concrete road surface plate edge concealed grouting and void risk evaluation method |
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