CN108457163B - Road maintenance device and reinforcing method - Google Patents
Road maintenance device and reinforcing method Download PDFInfo
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- CN108457163B CN108457163B CN201810253779.6A CN201810253779A CN108457163B CN 108457163 B CN108457163 B CN 108457163B CN 201810253779 A CN201810253779 A CN 201810253779A CN 108457163 B CN108457163 B CN 108457163B
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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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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
Abstract
The invention discloses a road maintenance device and a reinforcement method, wherein the maintenance device is prepared firstly, the maintenance device comprises an air bag device and a jacking device, the air bag device is connected with an air inlet pipe, the air inlet pipe penetrates through a bolt to be connected with a pressure pump, the bolt is hollow, a nut is arranged on the bolt, a first hanging hole is fixedly arranged at the bottom end of the bolt, a hook of the jacking device is hinged on the first hanging hole, a second hanging hole is arranged on the jacking device, a connecting chain is connected on the second hanging hole, and a protection device is fixedly connected with the connecting chain; the reinforced road has the same strength with the original road, and the operation is simple.
Description
The present application is a divisional application of a patent with the application number of 2016102377942, 2016, 04/04, entitled "a building road maintenance device and a reinforcement method thereof".
Technical Field
The invention relates to the technical field of building road engineering, in particular to a building road maintenance device and a reinforcing method thereof.
Background
Due to the particularity of concrete roads, even if a local concrete road is damaged and repaired, the waste materials are cut, smashed and cleared. The concrete is paved, so that financial resources and material resources are wasted, normal vehicle passing is influenced by large-scale road maintenance, and the construction period is long. Because the roadbed under the concrete road is not enough in filling compaction degree or the embankment is built on a weak soil foundation, the strength of the base layer is reduced after the roadbed is soaked by rainwater, and the pumping action between the concrete road and the base layer is caused by long-term live load, so that the local void is generated between the road bed and the base layer, and the support of the roadbed is lost. The slight vertical platform falling not only affects the passing and the beauty, but also can seriously cause the broken plate damage of the concrete road. At present, no better treatment method is available for the damage of the concrete road. If the phenomenon of local void is found in the maintenance process, the treatment is carried out in time, the loss caused by damage is greatly reduced, the maintenance cost can be reduced, and the method is beneficial to the nation and the people.
The chinese patent literature (publication date: 11/21/2012 and publication number: CN202543759U) discloses a concrete block for road construction and a construction method thereof. This concrete block is laid on the road bed, and the concrete block includes clod body, at least three annular groove, the rings of setting in the annular groove of setting on the clod body, annular groove and rings size, shape phase-match, the one end of clod body is provided with the sand grip, and clod body and sand grip are even as an organic whole, the clod body passes through to form a groove between sand grip and the road bed.
The technical scheme solves the problems that (1) the construction is simple and is not influenced by weather and weather. (2) The road maintenance and the maintenance are convenient and the speed is rapid. (3) If the road can be returned to a common fertile farmland after being abandoned, the cultivation can be continued.
Disclosure of Invention
The first invention of the invention aims to solve the problem that the roadbed under the concrete road slab has insufficient filling compactness, so that the local separation between the concrete and the base layer of the road is generated, the support of the roadbed is lost, and the concrete road slab is broken. The maintenance reinforcing device for the building road is simple in structure and convenient to operate.
A second object of the present invention is to provide a reinforcement method for creating a local void between a concrete road and a base course.
The technical scheme adopted by the invention for realizing the first invention purpose is as follows: a building road maintenance device and a reinforcing method thereof comprise an air bag device and a jacking device, wherein the air bag device is connected with an air inlet hose, the air inlet hose penetrates through a bolt to be connected with a pressure pump, the bolt is hollow, and a nut is arranged on the bolt. The nut downside be equipped with the gasket device, the bolt bottom still fixed be equipped with first hanging hole, roof pressure device couple hinged joint on first hanging hole, the roof pressure device on still be equipped with the second hanging hole, the connecting chain couple is connected on the second hanging hole, protection device and connecting chain fixed connection. This building road maintenance device is light nimble, and is longe-lived, repeatedly usable, has avoided present cement road local maintenance to cut, pound to pieces, maintenance once more after.
Preferably, the air bag device is made of rubber materials, the pressure resistance of the air bag device is 0.6-12 kpa, the pressure of the low-pressure air bag device is 0.6-1.8 kpa, the pressure of the high-pressure air bag device is 1.9-12 kpa, the diameter of the high-pressure air bag device is 90mm, the height of the high-pressure air bag device is 180mm, and the diameter of the low-pressure air bag device is 90mm, and the height of the low-pressure air bag device is 120 mm.
Preferably, the pressure pump is provided with a high-voltage switch and a low-voltage switch, the high-voltage switch and the low-voltage switch supply pressure to the high-voltage air bag device and the low-voltage air bag device respectively, the number of the high-voltage air bag devices controlled by the high-voltage switch is not less than 4, and the number of the low-voltage air bag devices controlled by the low-voltage switch is not less than 4. The number of the high-pressure and low-pressure air bag devices is determined according to the field size of the road cement board, so that the road cement board is lifted to complete grouting work, and the repaired road cement board and the original road surface are on the same plane.
Preferably, the screw cap arranged on the bolt extrudes the gasket device through screwing, and the gasket device descends to extrude the jacking device. The opening and closing angle of the jacking device is controlled by the screw cap. The arrangement is convenient for the device to be flexibly placed in the open holes of the high-pressure hole and the low-pressure hole.
Preferably, the gasket device is cylindrical, a gasket raised edge is arranged at the lower end of the gasket device along the circumferential direction, and the gasket raised edge is an arc body. The arrangement of the raised edge of the gasket is favorable for controlling the opening and closing angle and friction of the jacking device.
Preferably, one end of the jacking device is provided with a jacking device hook which is hinged to the first hanging hole, so that the jacking device is convenient to open and close to lift; the other end of the jacking device is provided with a second hanging hole, and the connecting chain hook is connected to the second hanging hole. The top pressing devices are at least two and are symmetrically arranged. The symmetrically arranged jacking devices aim at supporting the road cement board by the end face of the jacking device close to the second hanging hole after the jacking device is pressed.
Preferably, the protection device is cylindrical, the bottom end of the protection device is closed, the outer surface of the protection device is smooth, and the diameter of the protection device is 100mm-150 mm. The air bag device can be placed in the protection device and can stretch out and draw back up and down, the other end of the connecting chain is fixedly connected with the protection device, the protection device can be conveniently pulled to exit from the hole, and the connecting chain is provided with at least two connecting chains. The arrangement of the protection device can prevent the air bag device from being damaged and can be used for multiple times.
The invention has the beneficial effects that: the building road maintenance device is light, flexible, simple in structure, long in service life and capable of being repeatedly used.
The reinforcing method adopted by the invention to realize the second invention purpose is that; the reinforcing method comprises the following steps:
(1) firstly, the construction warning is carried out on the concrete road needing to be maintained.
(2) Then, according to the field condition, a plurality of single blocks suitable for construction are cut, wherein the single blocks are generally 1200mm ＊ 1800mm, and the size of the single blocks is cut according to the field requirement.
(3) And (4) observing the fall between the original pavement A and the cut single block pavement B, and judging the material consumption required by reinforcement.
(4) Cooling with water by using a puncher, and drilling holes meeting the requirements, wherein the number of the high-pressure holes is at least 4, and the diameter of each high-pressure hole is 110-160 mm; at least 4 low-pressure holes with the diameter of 102mm-152mm are formed; 8 grouting holes are formed, the diameter of each grouting hole is 75mm, and the diameter of each grouting hole is matched with the diameter of a grouting opening formed in the grouting machine; 4 observation holes with the diameter of 50 mm.
(5) 4 high-pressure air bag devices of the device are arranged in the high-pressure holes, and 4 low-pressure air bag devices are arranged in the low-pressure holes; the top pressing device, the air bag device and the protection device can be placed in the open hole by properly adjusting the screw cap; after the jacking device is pressed, the jacking device is close to the end face of the second hanging hole, and the road cement board can be supported.
(6) Turning on the pressure pump, and adjusting the high-pressure switch to gradually raise one side of the single block body to be higher than the original pavement A0.5mm-5 mm; and adjusting the low-voltage switch to gradually raise the other side of the single block body, so that the single block body is higher than the original pavement A0.5mm-5 mm.
(7) Stirring the mixture: mixing yellow sand, cement, an expanding agent, an adhesive and a yellow pigment according to the weight ratio of 2: 1: 0.02: 0.01, adding water, stirring to form mixed slurry, injecting the mixed slurry into the open hole through a grouting machine, observing through an observation hole, and filling; the purpose of adding the yellow pigment is to facilitate observation of the state of the mixed slurry injected into the opening.
(8) Closing the high-voltage switch and the low-voltage switch, compressing the air bag device, and enabling the single block body to fall freely; this is done to spread the slurry evenly when stirred into a mixed slurry. And (5) observing the fall between the original pavement A and the single block pavement B.
(9) And then the pressure pump is turned on, and the high-voltage switch and the low-voltage switch are adjusted to make the height of the single block body consistent with that of the original road surface A, so that the whole road is on the same plane.
(10) Grouting again through a grouting machine, observing through an observation hole, and filling; and after standing for 4 hours, closing the high-voltage switch and the low-voltage switch, taking out the air bag device, and cleaning the surface of the protection device.
(11) And then adding stones into the stirred mixture: mixing pebbles, yellow sand, cement, an expanding agent, an adhesive and a yellow pigment according to the weight ratio of 3: 2: 1: 0.02: 0.01, adding water, stirring, and sequentially filling a grouting hole, an observation hole, a high-pressure hole and a low-pressure hole.
(12) And then vibrating and leveling by using a vibration pump.
(13) After 72 hours, the gap was filled with asphalt.
(14) And removing the warning board, recording and observing.
The invention has the beneficial effects that: the method for reinforcing the concrete road by using the road construction maintenance can realize the integrated reinforcement of the preliminary damage of the concrete road with small area at the local part of the road, can make the reinforced road consistent with the original road strength, reduces the road maintenance cost, and has simple and convenient operation.
Drawings
In the figure:
FIG. 1 is a schematic view of a construction of a maintenance device for a construction road according to the present invention;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic plan view of the construction road repair device of the present invention;
FIG. 4 is a schematic view of an installation of the inventive construction road maintenance device;
in the figure: 1. air inlet hose, 2, bolt, 3, nut, 4, jacking device, 5, air bag device, 6, high-pressure switch, 7, low-pressure switch, 8, pressure pump, 9, exhaust hole, 10, observation hole, 11, high-pressure hole, 12, road surface A, 13, road surface B, 14, jacking device hook, 15, first hanging hole, 16, second hanging hole, 17, connecting chain, 18, protection device, 19, gasket device, 20, gasket foot, 21, low-pressure hole, 22, high-pressure air bag device, 23, low-pressure air bag device.
Detailed Description
The technical solution of the present invention is further described in detail by the following specific embodiments with reference to the accompanying drawings.
Example 1:
in the embodiment shown in fig. 1, 2 and 3, the building road maintenance device comprises an air bag device 5 and a jacking device 4, wherein the air bag device 5 is connected with an air inlet hose 1, the air inlet hose 1 is connected with a pressure pump 8 through a bolt 2, the bolt 2 is hollow, and a nut 3 is arranged on the bolt 2. The lower side of the nut 3 is provided with a gasket device 19, the bottom end of the bolt 2 is further fixedly provided with a first hanging hole 15, a top pressing device hook 14 is hinged to the first hanging hole 15, a second hanging hole 16 is further arranged on the top pressing device 4, a connecting chain 17 is connected to the second hanging hole 16 in a hook mode, and a protection device 18 is fixedly connected with the connecting chain 17. The air bag device 5 is made of rubber materials, the pressure of the air bag device 5 is 0.6-12 kpa, and the pressure of the low-pressure air bag device 23 is generally 1.0 kpa. The high pressure airbag unit 22 typically has a pressure of 8 kpa. The high pressure airbag device 22 has a diameter of 90mm and a height of 180 mm. The low pressure bladder arrangement 23 is 90mm in diameter and 120mm high. The pressure pump 8 is provided with a high-pressure switch 6 and a low-pressure switch 7, and the high-pressure switch 6 and the low-pressure switch 7 supply air to a high-pressure air bag device 22 and a low-pressure air bag device 23, respectively. The number of the high-pressure air bag devices 22 controlled by the high-pressure switch 6 is not less than 4, and the number of the low-pressure air bag devices 23 controlled by the low-pressure switch 7 is not less than 4. The nut 3 arranged on the bolt 2 is screwed into the gasket extruding device 19, and the gasket extruding device 19 descends to extrude the jacking device 4. The spacer device 19 is cylindrical, and a spacer raised edge 20 is provided at the lower end of the spacer device along the circumferential direction, and the spacer raised edge 20 is an arc body. One end of the jacking device 4 is provided with a jacking device hook 14, and the jacking device hook 14 is hinged on the first hanging hole 15; the other end of the jacking device 4 is provided with a second hanging hole 16, the connecting chains 17 are connected with the second hanging hole 16 through hooks, and at least two jacking devices 4 are symmetrically arranged. The protector 18 is cylindrical, the bottom end of the protector is closed, the outer surface of the protector is smooth, and the diameter of the protector 18 is 100 mm. The air bag device 5 is arranged in the protection device 18 and can stretch up and down, one end of the connecting chain 17 is fixedly connected with the protection device 18, so that the protection device 18 can conveniently exit from the hole, and at least two connecting chains 17 are arranged.
The second object of the present invention is achieved by a reinforcement method comprising the steps of:
(1) firstly, the construction warning is carried out on the concrete road needing to be maintained.
(2) Then, according to the field condition, a plurality of single blocks suitable for construction are cut, wherein the single blocks are generally 1200mm ＊ 1800mm, and the size of the single blocks is cut according to the field requirement.
(3) The difference between the original road surface a12 and the cut individual block road surface B13 was observed to determine the amount of material required for reinforcement (see fig. 3).
(4) Cooling with water by a puncher, and drilling holes meeting the requirements, wherein the number of the high-pressure holes 11 is at least 4, and the diameter is 110 mm; the low pressure holes 21 are at least 4 and 110mm in diameter. At least 8 grouting holes 9 are formed, the diameter of each grouting hole 9 is 75mm, and the diameter of each grouting hole is matched with the diameter of a grouting opening formed in the grouting machine; the number of observation holes 10 is at least 4, and the diameter is 50mm (see fig. 3 and 4).
(5) Installing a high-pressure air bag device 22 of the device in 4 high-pressure holes, and installing a low-pressure air bag device 23 in 4 low-pressure holes; the cap 3 is suitably adjusted so that the pressing means 4, the air-bag means 5 and the protection means 18 are placed in the opening. The cushion layer below the cement concrete road open hole is properly enlarged, and the road cement plate can be supported after the jacking device 4 is pressed.
(6) The pressure pump 8 is turned on and the high pressure switch 6 is adjusted so that one side of the individual block is gradually raised above the original road surface A3 mm. The low-voltage switch 7 is adjusted again so that the other side of the single block is gradually raised so that the single block is higher than the original road surface A3 mm.
(7) Stirring the mixture: mixing yellow sand, cement, an expanding agent, an adhesive and a yellow pigment according to the weight ratio of 2: 1: 0.02: 0.01, adding water, stirring to form mixed slurry, rapidly injecting the mixed slurry into a grouting hole 9 through a grouting machine, observing through an observation hole 10, and filling. The purpose of adding the yellow pigment is to facilitate observation of the state of the mixed slurry injected into the opening.
(8) The high-pressure switch 6 and the low-pressure switch 7 are closed and the air bag device 5 is compressed, so that the individual blocks fall freely, and the purpose of this is to spread the stirred mixed slurry evenly. And (5) observing the fall between the original pavement A and the single block pavement B. The individual pieces fall freely and excess slurry can overflow through the sight holes or gaps after the slurry mixture is extruded. The vibration of a vibration machine can be used for compacting the cavity below the single block, so that the support of the base layer to the road concrete is achieved.
(9) And then the pressure pump 8 is turned on, and the high-voltage switch 6 and the low-voltage switch 7 are adjusted to make the heights of the single blocks consistent with the height of the original road surface A, so that the whole road is on the same plane.
(10) Grouting again through a grouting machine, observing through an observation hole 10, and filling; after standing for 4 hours, the high-voltage switch 6 and the low-voltage switch 7 are closed, the air bag device 5 is taken out, and the surface of the protection device 18 is cleaned, so that the air bag device is convenient to use next time.
(11) And then adding stones into the stirred mixture: mixing pebbles, yellow sand, cement, an expanding agent, an adhesive and a yellow pigment according to the weight ratio of 3: 2: 1: 0.02: 0.01, adding water, stirring, and sequentially filling the grouting hole 9, the observation hole 10, the high-pressure hole 11 and the low-pressure hole 21.
(12) And then vibrating and leveling by using a vibration pump.
(13) After 72 hours, the gap was filled with asphalt.
(14) And removing the warning board, recording and observing.
The reinforcing method adopted by the road construction maintenance can realize the integrated reinforcement of the primary damage of the road with small area at the local part of the road, so that the cavity under the independent block is compact, thereby achieving the support of the base layer to the road concrete. The reinforced road has the advantages that the strength of the reinforced road is consistent with that of the original road, the road maintenance cost can be reduced, and the operation is simple and convenient.
Claims (9)
1. The utility model provides a road maintenance device which characterized in that: the air bag device is connected with a pressure pump through a bolt, a first hanging hole is further fixedly formed in the bottom end of the bolt, the jacking device is hinged to the first hanging hole, a second hanging hole is formed in the jacking device, a connecting chain is connected to the second hanging hole, and a protection device is fixedly connected with the connecting chain; the bolt is provided with a nut, the gasket device is screwed, fed and extruded, the gasket device downwards extrudes the jacking device, and the opening and closing angle of the jacking device is controlled by the nut.
2. A road maintenance device according to claim 1, wherein: the gasket device is cylindrical, a gasket raised edge is arranged at the lower end of the gasket device along the circumferential direction, and the gasket raised edge is an arc body.
3. A road maintenance device according to claim 1, wherein: one end of the jacking device is provided with a jacking device hook which is connected to the first hanging hole, and the jacking devices are at least two and are symmetrical to each other.
4. A road maintenance device according to claim 1, wherein: the protection device is cylindrical, the bottom end of the protection device is closed, and the diameter of the protection device is 100-150 mm; the air bag device is arranged in the air bag device and can stretch up and down, and one end of the connecting chain is fixedly connected with the protection device.
5. A road maintenance device according to claim 1, wherein: the air bag device is connected with the pressure pump through an air inlet hose.
6. A reinforcing method for reinforcing a road by using the road maintenance device comprises the following steps:
(1) firstly, performing construction warning on a concrete road needing to be maintained;
(2) then, according to the field situation, cutting a plurality of single blocks suitable for construction, wherein the single blocks are 1200mm ＊ 1800 mm;
(3) observing the fall between the original pavement A and the cut single block pavement B, judging the material consumption required by reinforcement, and preparing materials;
(4) adding water for cooling by a perforating machine, and drilling a hole;
(5) installing a high-pressure air bag device of the road maintenance device in a high-pressure hole, and installing a low-pressure air bag device in a low-pressure hole; the top pressing device, the air bag and the protection device can be placed in the open hole by properly adjusting the screw cap;
(6) turning on the pressure pump, and adjusting the high-pressure switch to gradually raise one side of the single block body to be higher than the original pavement A0.5mm-5 mm; then adjusting a low-voltage switch to enable the single block to be higher than the original pavement A0.5mm-5 mm;
(7) stirring the mixture: adding water into yellow sand, cement, an expanding agent, an adhesive and a yellow pigment, and stirring to obtain mixed slurry; injecting the mixture into the open hole through a grouting machine, observing through an observation hole, and filling the mixture;
(8) closing the high-voltage switch and the low-voltage switch, compressing the air bag device, and enabling the single block body to fall freely; observing the fall between the original pavement A and the single block pavement B;
(9) then the pressure pump is turned on, and the high-voltage switch and the low-voltage switch are adjusted to make the height of the single block body consistent with that of the original road surface A, so that the whole road is on the same plane;
(10) grouting again through a grouting machine, observing through an observation hole, and filling; after standing for 4 hours, closing the high-voltage switch and the low-voltage switch, and taking out the air bag device;
(11) and then adding stones into the stirred mixture: adding water into the stones, the yellow sand, the cement, the expanding agent, the adhesive and the yellow pigment, stirring, and sequentially filling the grouting holes, the observation holes, the high-pressure holes and the low-pressure holes;
(12) then vibrating and leveling by using a vibration pump;
(13) after 72 hours, pouring gaps with asphalt and filling the gaps;
(14) and removing the warning board, recording and observing.
7. The method of road reinforcement according to claim 6, characterized in that: the number of the high-pressure holes is at least 4, and the diameter of the high-pressure holes is between 110mm and 160 mm; the number of the low-pressure holes is at least 4, and the diameter is between 102mm and 152 mm; the number of the grouting holes is at least 8, the diameter of each grouting hole is 75mm, and the diameter of each grouting hole is matched with that of a grouting opening formed in the grouting machine; at least 4 observation holes with a diameter of 50mm are provided.
8. The method of road reinforcement according to claim 6, characterized in that: in step 7, the yellow sand, the cement, the expanding agent, the adhesive and the yellow pigment are mixed according to the weight ratio of 2: 1: 0.02: 0.01.
9. The method of road reinforcement according to claim 6, characterized in that: in step 11, the pebbles, the yellow sand, the cement, the expanding agent, the adhesive and the yellow pigment are mixed according to the weight ratio of 3: 2: 1: 0.02: 0.01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810253779.6A CN108457163B (en) | 2016-04-04 | 2016-04-04 | Road maintenance device and reinforcing method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610237794.2A CN105908612B (en) | 2016-04-04 | 2016-04-04 | One kind building road maintenance device and its reinforcement |
| CN201810253779.6A CN108457163B (en) | 2016-04-04 | 2016-04-04 | Road maintenance device and reinforcing method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610237794.2A Division CN105908612B (en) | 2016-04-04 | 2016-04-04 | One kind building road maintenance device and its reinforcement |
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| CN108457163A CN108457163A (en) | 2018-08-28 |
| CN108457163B true CN108457163B (en) | 2020-07-10 |
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| CN201810253779.6A Active CN108457163B (en) | 2016-04-04 | 2016-04-04 | Road maintenance device and reinforcing method |
| CN201610237794.2A Active CN105908612B (en) | 2016-04-04 | 2016-04-04 | One kind building road maintenance device and its reinforcement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109082989A (en) * | 2018-08-07 | 2018-12-25 | 王本勋 | A kind of asphalt pavement of highway repair apparatus |
| CN108999070B (en) * | 2018-08-07 | 2020-09-04 | 江苏水木年华建设有限公司 | Highway asphalt pavement repairing process |
| CN113481805B (en) * | 2021-07-08 | 2022-08-30 | 杭州伟业建设集团有限公司 | Grouting head positioning device and using method thereof |
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| GB2037349A (en) * | 1978-12-14 | 1980-07-09 | Balfour Beatty Ltd | An Improved Method of Filling a Void Beneath the Ground |
| CN1102679A (en) * | 1993-05-20 | 1995-05-17 | 株式会社P.S. | Method and device for raising concrete pavements subsided |
| CN1319700A (en) * | 2001-01-12 | 2001-10-31 | 北京城建地铁地基市政工程有限公司 | Technological equipment for airprot runway foundation cement mortar filling consolidation |
| JP4388685B2 (en) * | 2000-11-08 | 2009-12-24 | 西松建設株式会社 | How to repair settlement of concrete paving plates |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2576083B2 (en) * | 1994-04-08 | 1997-01-29 | 北海道開発局小樽開発建設部長 | Backing material filling device for pavement plate |
| US5860763A (en) * | 1996-04-26 | 1999-01-19 | Asplin; Charles Lee | Sidewalk leveling method and device |
| US8186907B1 (en) * | 2000-10-13 | 2012-05-29 | Charles Lee Asplin | Slab leveling system and method |
| US6976804B1 (en) * | 2003-08-26 | 2005-12-20 | Charles Lee Asplin | Method of repairing damaged concrete slabs |
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- 2016-04-04 CN CN201810253779.6A patent/CN108457163B/en active Active
- 2016-04-04 CN CN201610237794.2A patent/CN105908612B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2037349A (en) * | 1978-12-14 | 1980-07-09 | Balfour Beatty Ltd | An Improved Method of Filling a Void Beneath the Ground |
| CN1102679A (en) * | 1993-05-20 | 1995-05-17 | 株式会社P.S. | Method and device for raising concrete pavements subsided |
| JP4388685B2 (en) * | 2000-11-08 | 2009-12-24 | 西松建設株式会社 | How to repair settlement of concrete paving plates |
| CN1319700A (en) * | 2001-01-12 | 2001-10-31 | 北京城建地铁地基市政工程有限公司 | Technological equipment for airprot runway foundation cement mortar filling consolidation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105908612A (en) | 2016-08-31 |
| CN108457163A (en) | 2018-08-28 |
| CN105908612B (en) | 2018-05-15 |
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