CN107777988B - Material and device for rapidly repairing cracks of airport concrete pavement - Google Patents
Material and device for rapidly repairing cracks of airport concrete pavement Download PDFInfo
- Publication number
- CN107777988B CN107777988B CN201711276670.6A CN201711276670A CN107777988B CN 107777988 B CN107777988 B CN 107777988B CN 201711276670 A CN201711276670 A CN 201711276670A CN 107777988 B CN107777988 B CN 107777988B
- Authority
- CN
- China
- Prior art keywords
- temperature
- magnesium phosphate
- phosphate cement
- controller
- temperature control
- 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.)
- Active
Links
Images
Classifications
-
- 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
- C04B28/34—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 containing cold phosphate binders
-
- 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
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Repair (AREA)
Abstract
The invention provides a device and a material for rapidly repairing cracks of airport concrete pavement by using magnesium phosphate cement. The invention utilizes the sensitivity characteristic of the magnesium phosphate cement to the temperature to control the temperature of the magnesium phosphate cement during stirring and the temperature after repairing the concrete, so that the magnesium phosphate cement has good fluidity during repairing, the strength after repairing is rapidly enhanced, the rapid repairing effect of the airport concrete pavement is achieved, and the invention is also suitable for other rapid-setting and rapid-hardening cement with large heat release.
Description
Technical Field
The invention belongs to the field of airport pavement repair, relates to a cement concrete material, and particularly relates to a concrete rapid repair material and a concrete rapid repair device which can be constructed in low-temperature, negative-temperature and normal-temperature environments, and can be used for rapid repair work of cracks of airport concrete pavements, highway concrete pavements and the like.
Background
The airport pavement is exposed in the air for a long time and is subjected to the dual functions of environmental factors and loading factors, the phenomenon of cracking of the airport pavement is possible due to the alternation of low-temperature weather and high-temperature weather, the erosion of rain and snow and the repeated action of airplane wheels, particularly in northwest areas of China, the temperature difference between day and night is large, the weather is dry, the wind speed is large, the temperature deformation in the pavement is large, the evaporation of water on the surface of the pavement is accelerated, the pavement drying cracks and the volume shrinkage are more easily caused, if the repair is not carried out in time, the potential safety hazard is inevitably caused to the take-off and landing of an airplane, so that serious accidents are possibly caused, besides the damage phenomenon caused by a newly-built pavement, the repaired pavement also can be specially damaged, meanwhile, the airport pavement has the particularity, in order to not influence the flying and take-off and landing arrangement of the airplane as far as possible, the repair of the airport pavement is generally required to be carried out continuously, the construction time is generally between 0 and 6 hours, the construction can be preferably finished within 4 hours, and the repair material can meet the requirement of the take-off and landing of the airplane.
In the face of engineering and technical requirements, magnesium phosphate cement is increasingly researched by students as a repairing material, and has more and more applications in repairing due to the characteristics of quick hardening, early strength, good volume stability, low-temperature construction and the like. However, magnesium phosphate cement is not applied to engineering in a large range, because the setting time of the magnesium phosphate cement is too short and is not suitable for large-area construction, when no retarder is added, the magnesium phosphate cement is quickly set within a few minutes and does not have workability at all, through a large number of researches, students find that the borax retarder can effectively prolong the setting time of the magnesium phosphate cement, at the temperature of 20 ℃, 5% of borax is added to prolong the setting time to about 13 minutes, more borax can prolong the setting time, but the strength of the magnesium phosphate cement is lower when more retarder is added.
Disclosure of Invention
The invention aims to provide a device and a material for quickly repairing the airport concrete pavement by using magnesium phosphate cement aiming at the defects in the prior art, so that the magnesium phosphate cement can be effectively applied to the airport quick repairing engineering.
In order to achieve the purpose, the invention discloses the following technical scheme:
a rapid repairing material for airport concrete pavement cracks is magnesium phosphate cement, the setting time of the magnesium phosphate cement is controlled by low temperature or negative temperature, the setting time of the magnesium phosphate cement is longer when the temperature is lower, and the magnesium phosphate cement specifically comprises the following components in parts by weight:
in a further technical scheme of the invention, the dead burnt powder is magnesite dead burnt powder or dead burnt magnesia.
In a further technical scheme of the invention, the calcination temperature of the dead calcined powder is 1800 ℃, andthe mixture is taken out of the kiln after the heat preservation time is 18 to 20 hours, the content of the dead burned magnesia is 95 percent, and the density is 3.30g/m 3 The specific surface area is 220 square meters per kilogram.
The invention also discloses a rapid repairing device for the airport concrete pavement crack, which comprises a temperature control stirring box, a motor, a controller, a small booster pump, a first infrared heating lamp, a flowmeter, a pressure gauge, a slurry conveying pipe and a spray head;
the temperature control stirring box is connected with the motor, a heating device and a cooling device are arranged in the temperature control stirring box, the heating device and the cooling device are connected with a temperature controller through wires, the retarding effect of magnesium phosphate cement is realized at low temperature through the cooling device, the temperature controller is arranged outside the temperature control stirring box, the temperature inside the temperature control stirring box is adjusted through the temperature controller, a stirring pot and a cement mortar stirring rod are arranged in the temperature control stirring box, a hole is formed in the bottom of the stirring pot, a switch is arranged on the hole and connected with the controller, the hole is connected with a small booster pump, a pressure gauge and a flowmeter are respectively arranged on a pulp conveying pipe, the tail end of the pulp conveying pipe is connected with a nozzle, a first infrared heating lamp is respectively connected with the motor and the controller, slurry can be exposed from the bottom of the stirring pot, is sprayed out from the nozzle along the pulp conveying pipe after being pressurized by the small booster pump, and then the repairing part is heated through the first infrared heating lamp at the bottom of the device.
In a further technical scheme of the invention, the temperature control stirring box comprises a salt adding funnel, a liquid storage tank, a powder adding funnel, a sand adding funnel, a heating device, a cooling device, a cement mortar stirring rod, a cleaning opening and a stirring pot; holes are formed in the salt adding funnel, the liquid storage tank, the powder adding funnel, the sand adding funnel and the bottom of the stirring pot, electric switches are arranged on the holes, and the electric switches are connected with a controller; the cleaning port is arranged on the side wall of the bottom of the stirring pot.
In a further technical scheme of the invention, the liquid storage tank is provided with scales.
In a further technical scheme of the invention, the heating device is a second infrared heating lamp, and the cooling device is a condenser tube.
In a further technical scheme of the invention, the temperature controller is a temperature controller with a digital display function.
In a further technical scheme of the invention, universal wheels are arranged at the bottom of the device.
The invention has the advantages that the aim of controlling the setting time of the magnesium phosphate cement can be realized by controlling the environmental temperature of the stirring box, the heating device is arranged after the repair is finished, the magnesium phosphate cement is promoted to be quickly set and hardened, the defect of the setting time of the magnesium phosphate cement is solved, the workability is improved, the early strength of the magnesium phosphate cement can be improved, the application of the magnesium phosphate cement in engineering repair is realized, and the universal wheels are arranged at the bottom of the magnesium phosphate cement, so that the magnesium phosphate cement repair device has strong mobility and can be suitable for various repairs such as concrete crack repair, thin layer repair, grouting repair and the like.
Drawings
The invention is described in detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the temperature-controlled stirring tank 1 in fig. 1.
Wherein:
1-temperature control stirring box, 2-controller, 3-motor, 4-small booster pump, 5-first infrared heating lamp, 6-pressure gauge, 7-flowmeter, 8-slurry conveying pipe, 9-spray head, 101-salting funnel, 102-liquid storage tank, 103-powdering funnel, 104-sanding funnel, 105-second infrared heating lamp, 106-condensation pipe, 107-cement mortar stirring rod and 108-cleaning port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The core of the invention is to provide a device and a material for fast repairing the airport concrete pavement by using the magnesium phosphate cement, so that the magnesium phosphate cement can be effectively applied to the airport fast repairing engineering.
The invention discloses a rapid repair material for airport concrete pavement cracks, which is magnesium phosphate cement, wherein the setting time of the magnesium phosphate cement is controlled by low temperature or negative temperature, the setting time of the magnesium phosphate cement is longer when the temperature is lower, and the magnesium phosphate cement comprises the following components in parts by weight:
in one embodiment of the invention, the paint comprises the following components in parts by weight:
in another embodiment of the invention, the paint comprises the following components in parts by weight:
in another embodiment of the invention, the paint comprises the following components in parts by weight:
in one embodiment of the present invention, the dead burnt powder is magnesite dead burnt powder or dead burnt magnesia. The calcination temperature of the dead weight powder is 1800 ℃, the calcination and heat preservation time is 18-20 hours, the dead weight powder is taken out of the kiln, the content of the dead weight magnesia is 95 percent, and the density is 3.30g/m 3 Is toThe surface area is 220 square meters per kilogram. The setting time of the material at low temperature is obviously longer than that at normal temperature, and tests show that the final setting time is 13 minutes under the condition of the same mixture ratio and the mixing environment of 20 ℃; when the mixing environment is 5 ℃, the final setting time is 1 hour and 16 minutes; when the mixing environment is 0 ℃, the final setting time is 2 hours and 13 minutes; when the mixing environment is-5 ℃, the final setting time is more than 4 hours.
The optimum proportion of the dead burned magnesia for manufacturing the magnesium phosphate cement is different due to different production areas, calcination temperatures, specific surface areas and other condition factors, which can cause the water-cement ratio, the mortar ratio, the retarder borax and the mixing amount of the fly ash to change, in various literatures at present, the optimum proportion of the dead burned magnesia in various places tested by scholars is slightly different, so that the optimum proportion is specifically determined according to the used dead burned magnesia condition, the proportion of most of the magnesium phosphate cements at present is that the P/M of the dead burned magnesia M and the potassium dihydrogen phosphate P is 3/1 or 4/1, the water-cement ratio is 0.14-0.20, the retarder borax ratio is 3-10%, the fly ash is 10-30% and the mortar ratio is 1/1-1/3. The optimal proportion of the magnesium phosphate cement prepared by the dead burned magnesia is that P/M is 3/1, the water-cement ratio is 0.16, borax B is 5 percent of the dead burned M, fly ash is 10 percent, and the mortar ratio is 1/2. This is not the optimum ratio for all dead burned magnesium. Or the optimal proportion is determined according to the specific situation of the used materials.
In one embodiment of the present invention, the dead burnt powder is magnesite dead burnt powder or dead burnt magnesia.
Please refer to fig. 1-2. The rapid repairing device for the airport concrete pavement crack disclosed by the invention can control the mixing environment temperature of the magnesium phosphate cement, so that the magnesium phosphate cement has better workability, the temperature of a repaired part can be increased after the repairing and filling are finished, and the rapid setting and rapid hardening of the magnesium phosphate cement are accelerated. The device comprises a temperature control stirring box 1, a motor 3, a controller 2, a small booster pump 4, a first infrared heating lamp 5, a flowmeter 7, a pressure gauge 6, a slurry conveying pipe 8 and a spray head 9;
temperature control agitator tank 1 links to each other with motor 3, heating device and heat sink have in the temperature control agitator tank 1, heating device and heat sink pass through the wire and are connected with temperature controller, through the heat sink, realize the slow setting effect of magnesium phosphate cement with low temperature, temperature controller sets up in temperature control agitator tank 1 outside, through temperature controller, adjust the inside temperature of 1 of temperature control agitator tank, be equipped with agitator kettle and cement mortar puddler 107 in the temperature control agitator tank 1, there is the hole agitator kettle bottom, be equipped with the switch on the hole, switch connection director 2, small-size booster pump 4 is connected to the hole, manometer 6 and flowmeter 7 set up respectively on defeated thick liquid pipe 8, defeated thick liquid pipe 8 end-to-end connection shower nozzle 9, first infrared heating lamp 5 is connected respectively with motor 3, controller 2, and the slurry can be exposed from the agitator kettle bottom, and along defeated thick liquid pipe 8 behind the pressure boost of small-size booster pump 4, spout from shower nozzle 9, then heat the repair department through first infrared heating lamp 5 of device bottom.
In one embodiment of the invention, the temperature-controlled stirring box 1 comprises a salt adding funnel 101, a liquid storage tank 102, a powder adding funnel 103, a sand adding funnel 104, a heating device, a cooling device, a cement mortar stirring rod 107, a cleaning opening 108 and a stirring pot; holes are formed in the bottom of the salting funnel 101, the bottom of the liquid storage tank 102, the bottom of the powder adding funnel 103, the bottom of the sand adding funnel 104 and the bottom of the stirring pot, electric switches are arranged on the holes and connected with the controller 2; the cleaning port 108 is arranged on the side wall of the bottom of the stirring pot, and the cleaning port 108 can be opened for cleaning residues in the stirring pot.
In one embodiment of the present invention, the fluid reservoir 102 is provided with a scale.
In one embodiment of the present invention, the heating device is a second infrared heating lamp 105, and the cooling device is a condenser tube 106.
In an embodiment of the present invention, the temperature controller is a temperature controller with a digital display function.
In one embodiment of the invention, universal wheels are provided at the bottom of the device.
When the device is used, the range of the pavement to be repaired is determined, the consumption is estimated, the device is pushed to a designated position, the consumption of magnesium oxide, monopotassium phosphate, borax, water, sand and the like is weighed and burned according to the consumption, then the materials are respectively poured into the salt adding hopper 101, the liquid storage tank 102, the powder adding hopper 103 and the sand adding hopper 104, the motor is started, the temperature inside the temperature-controlled stirring box 1 is adjusted by the controller 2, for example, is kept at 5 ℃, then the controller 2 opens the switches of the salt adding hopper 101 and the liquid storage tank 102, the materials are fully stirred in the temperature-controlled stirring box 1, then the powder adding hopper 103 and the sand adding hopper 104 are sequentially opened from the controller 2, after the stirring is finished, a hole switch at the bottom of the temperature-controlled stirring box 1 and the small booster pump 4 are opened from the controller 2, the slurry passes through the slurry conveying pipe 8 and is finally sprayed out from the spray head 9, the pressure gauge 6 can be convenient to control the pressure flow meter of the booster pump 4, 7 can be used for mastering the total amount of the slurry sprayed out after the slurry is filled, the slurry, a heating lamp 2 is started, the temperature of the booster pump is adjusted, the magnesium is heated and the cement is heated and hardened, for heating the early stage, for hardening of the cement, for hardening, for example, the early stage, and the cement is performed.
Compared with the content introduced in the background technology, the device can prolong the setting time of the magnesium phosphate cement by controlling the temperature of the magnesium phosphate cement during reaction on the basis of ensuring the strength, has the function of accelerating the rapid hardening and the rapid setting of the repair cement, and can enable the pavement to meet the requirement of taking off and landing of an airplane in a shorter time.
The foregoing is only a preferred embodiment of the present invention and is not limiting thereof; it should be noted that, although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will understand that the technical solutions described in the above embodiments can be modified, and some or all of the technical features can be equivalently replaced; and the modifications and the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. A rapid repairing method for airport concrete pavement cracks is characterized in that the repaired material is magnesium phosphate cement, the setting time of the magnesium phosphate cement is controlled by low temperature or negative temperature, the setting time of the magnesium phosphate cement is longer when the temperature is lower, and the magnesium phosphate cement specifically comprises the following components in parts by weight:
the dead burnt powder is magnesite dead burnt powder or dead burnt magnesia;
the calcination temperature of the dead weight powder is 1800 ℃, the calcination and heat preservation time is 18-20 hours, the dead weight powder is taken out of the kiln, the content of the dead weight magnesia is 95 percent, and the density is 3.30g/m 3 The specific surface area is 220 square meters per kg;
the device for producing the rapid repair material for the airport concrete pavement cracks comprises a temperature control stirring box, a motor, a controller, a small booster pump, a first infrared heating lamp, a flowmeter, a pressure gauge, a slurry conveying pipe and a spray head;
the temperature control stirring box is connected with a motor, a heating device and a cooling device are arranged in the temperature control stirring box, the heating device and the cooling device are connected with a temperature controller through leads, the retarding effect of magnesium phosphate cement is realized at low temperature through the cooling device, the temperature controller is arranged outside the temperature control stirring box, the temperature inside the temperature control stirring box is adjusted through the temperature controller, a stirring pot and a cement mortar stirring rod are arranged in the temperature control stirring box, a hole is formed in the bottom of the stirring pot, a switch is arranged on the hole and connected with the controller, the hole is connected with a small booster pump, a pressure gauge and a flowmeter are respectively arranged on a pulp conveying pipe, the tail end of the pulp conveying pipe is connected with a spray head, a first infrared heating lamp is respectively connected with the motor and the controller, slurry can be exposed from the bottom of the stirring pot, is sprayed out of the spray head along the pulp conveying pipe after being pressurized by the small booster pump, and then the repair part is heated through the first infrared heating lamp at the bottom of the device;
the temperature control stirring box comprises a salt adding funnel, a liquid storage tank, a powder adding funnel, a sand adding funnel, a heating device, a cooling device, a cement mortar stirring rod, a cleaning port and a stirring pot; holes are formed in the salt adding funnel, the liquid storage tank, the powder adding funnel, the sand adding funnel and the bottom of the stirring pot, electric switches are arranged on the holes, and the electric switches are connected with a controller; the cleaning opening is formed in the side wall of the bottom of the stirring pot;
scales are arranged on the liquid storage tank;
the heating device is a second infrared heating lamp, and the cooling device is a condenser pipe;
the temperature controller has a digital display function;
the bottom of the device is provided with a universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276670.6A CN107777988B (en) | 2017-12-06 | 2017-12-06 | Material and device for rapidly repairing cracks of airport concrete pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276670.6A CN107777988B (en) | 2017-12-06 | 2017-12-06 | Material and device for rapidly repairing cracks of airport concrete pavement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107777988A CN107777988A (en) | 2018-03-09 |
| CN107777988B true CN107777988B (en) | 2023-01-24 |
Family
ID=61429996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711276670.6A Active CN107777988B (en) | 2017-12-06 | 2017-12-06 | Material and device for rapidly repairing cracks of airport concrete pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107777988B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409271A (en) * | 2019-06-19 | 2019-11-05 | 黑龙江省机场管理集团有限公司漠河机场分公司 | Airport concrete pavement thin layer repairing device and control evaluation method under low temperature environment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792998A (en) * | 2010-05-11 | 2010-08-04 | 臧绍辉 | Method, device and system for repairing road |
| CN102659450A (en) * | 2012-05-30 | 2012-09-12 | 南京工业大学 | Delayed coagulation method of kalium-based magnesium phosphate cement |
| CN103332960A (en) * | 2013-07-15 | 2013-10-02 | 重庆大学 | Method for controlling setting and hardening processes of magnesium phosphate cement |
| CN105272138A (en) * | 2015-10-10 | 2016-01-27 | 同济大学 | Magnesium phosphate cement based rapid repair mortar and preparation method thereof |
| WO2016105383A1 (en) * | 2014-12-23 | 2016-06-30 | Boral Ip Holdings (Australia) Pty Limited | Rapid setting material for improved processing and performance of carbonating metal silicate cement |
| CN105983570A (en) * | 2015-02-11 | 2016-10-05 | 李泽唐 | Electromagnetic thermal desorption remediation method and device used for remediating contaminated sites |
| CN205874935U (en) * | 2016-06-24 | 2017-01-11 | 长沙理工大学 | Equipment is repaired fast in portable bituminous paving hole groove |
| CN206408508U (en) * | 2017-01-08 | 2017-08-15 | 由立超 | A kind of integral type bituminous paving repairs car |
| CN207608496U (en) * | 2017-12-06 | 2018-07-13 | 中国人民解放军空军工程大学 | A kind of airport concrete pavement crack Quick repairing device |
-
2017
- 2017-12-06 CN CN201711276670.6A patent/CN107777988B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792998A (en) * | 2010-05-11 | 2010-08-04 | 臧绍辉 | Method, device and system for repairing road |
| CN102659450A (en) * | 2012-05-30 | 2012-09-12 | 南京工业大学 | Delayed coagulation method of kalium-based magnesium phosphate cement |
| CN103332960A (en) * | 2013-07-15 | 2013-10-02 | 重庆大学 | Method for controlling setting and hardening processes of magnesium phosphate cement |
| WO2016105383A1 (en) * | 2014-12-23 | 2016-06-30 | Boral Ip Holdings (Australia) Pty Limited | Rapid setting material for improved processing and performance of carbonating metal silicate cement |
| CN105983570A (en) * | 2015-02-11 | 2016-10-05 | 李泽唐 | Electromagnetic thermal desorption remediation method and device used for remediating contaminated sites |
| CN105272138A (en) * | 2015-10-10 | 2016-01-27 | 同济大学 | Magnesium phosphate cement based rapid repair mortar and preparation method thereof |
| CN205874935U (en) * | 2016-06-24 | 2017-01-11 | 长沙理工大学 | Equipment is repaired fast in portable bituminous paving hole groove |
| CN206408508U (en) * | 2017-01-08 | 2017-08-15 | 由立超 | A kind of integral type bituminous paving repairs car |
| CN207608496U (en) * | 2017-12-06 | 2018-07-13 | 中国人民解放军空军工程大学 | A kind of airport concrete pavement crack Quick repairing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107777988A (en) | 2018-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11339092B2 (en) | Non-flowable quick-setting phosphate cement repair material with strong cohesive forces and preparation method thereof | |
| CN104261777B (en) | A kind of clay sculpture figure of buddha repair materials and its preparation method | |
| CN102531508A (en) | Self-leveling terrace mortar powder and preparation method thereof, and terrace construction method | |
| MX2014006389A (en) | Composition and method for obtaining exposed aggregates in surfaces of moulded concrete and other cementitious materials. | |
| CN104386995A (en) | Modified glutinous rice mortar for perfusion and preparation method of modified glutinous rice mortar | |
| CN105384394A (en) | High-frost-resistant hydraulic concrete for high elevation regions | |
| CN103626449A (en) | Frost-resisting concrete and preparation method thereof | |
| CN107777988B (en) | Material and device for rapidly repairing cracks of airport concrete pavement | |
| CN103408274B (en) | For the production of the slag powder concrete material of concrete precast element and the production method of concrete precast element thereof | |
| CN103864373A (en) | Method for preparing composite autoclaved aerated concrete block | |
| CN103570300B (en) | Regeneration concrete watt and manufacture method thereof | |
| CN110627473A (en) | Phosphorus-silicon-magnesium-based special rapid-hardening material and preparation method thereof | |
| CN110372279A (en) | A kind of construction method of core-shell structure haydite as concrete coarse aggregate | |
| CN207608496U (en) | A kind of airport concrete pavement crack Quick repairing device | |
| CN110792210B (en) | Construction method for high-strength thin rammed earth wall with thickness of 40mm-100mm | |
| CN107459327A (en) | Suitable for low temperature or the fast repairing concrete material of construction in minus-temperature environment | |
| CN108751925B (en) | Road marking material based on phosphorus-magnesium material and construction method | |
| CN108484089B (en) | Bi-component negative-temperature rapid repair mortar and preparation and use methods thereof | |
| CN103922694A (en) | Magnesium phosphate cement based composite material | |
| US2568364A (en) | Process of making investment mold | |
| CN103979911B (en) | A kind of dimensionally stable aerated bricks and preparation method thereof | |
| CN217621177U (en) | Cement balancing weight | |
| CN105418045A (en) | Wall constructed from phosphorus gypsum mortar and construction method of wall | |
| CN113295484B (en) | Method for manufacturing concrete test piece for simulating water-containing cavity defect | |
| CN103387370A (en) | Fine sand grouting material for ice-rich soil |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |