CN113250050A - Airport pavement assembled plate replacement updating technical method - Google Patents
Airport pavement assembled plate replacement updating technical method Download PDFInfo
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- CN113250050A CN113250050A CN202110557344.2A CN202110557344A CN113250050A CN 113250050 A CN113250050 A CN 113250050A CN 202110557344 A CN202110557344 A CN 202110557344A CN 113250050 A CN113250050 A CN 113250050A
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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
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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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
- E01C19/522—Apparatus for laying the elements by rolling or unfolding, e.g. for temporary pavings
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Abstract
The invention discloses an airport pavement assembled plate replacement updating technical method which comprises the steps of prefabricating a pavement plate, cutting and separating an old plate, removing the old plate, cleaning a base, installing a positioning support, paving a self-leveling quick-setting mortar binding layer, installing the plate and standing and maintaining. The pavement slab is prefabricated in advance, and the stress state of the slab bottom of the prefabricated pavement slab is improved through the groove design of the slab bottom, so that leveling and drainage are facilitated. The old plate is cut and separated, which is suitable for replacing large-area plates and quickly separating and replacing local plates, and ensures the fit between the reserved groove and the plate; the installation of the positioning support is convenient for quickly leveling the four corners of the plate, and the prerequisite support is improved for the installation of the plate; laying the self-leveling quick-setting mortar combined layer, not only improving the higher flatness of the top surface of the base layer locally and integrally, but also shortening the processing time of the base surface by adopting a quick-setting material. The technical method of the invention ensures that the old plate surface of the airport pavement is straightly separated, the plate block is quickly leveled, and is mechanically and quickly placed, thereby achieving the purpose of quickly replacing and repairing the plate.
Description
Technical Field
The invention relates to the technical field of airport pavement construction, in particular to an airport pavement assembly type plate replacement updating technical method.
Background
With the rapid development of economy, airports are increasingly constructed. Although the structural strength of the pavement is good when the airport pavement is used, the airport concrete pavement is stripped or cracked along with the daily and long-term use of the airport pavement, and the airport concrete pavement needs to be maintained or repaired. In the repair of the concrete pavement of the airport, if a local plate is damaged, a new plate is cast in situ by removing an old plate, if the old plate is repaired in a large area, the construction of covering a quilt is generally carried out; before the requirement of non-navigation construction, the operation time is limited, the cast-in-place new slab needs hardening and condensing time, and simultaneously, the mixing and transportation of a concrete mixing station and the field wet operation are involved regardless of the operation amount, and the pollution is easily caused. The airport concrete pavement is repaired, and measures for hoisting prefabricated plates are adopted in China, but the airport concrete pavement is limited to individual plates, the hoisting process equipment is not high in precision, the time for entering the grooves is too long, and the plate replacement efficiency is influenced.
Disclosure of Invention
The invention aims to provide an airport pavement assembly type plate replacement and repair technical method, which is used for replacing and repairing local and large-area old plates of an airport to ensure that the old plates are separated straightly, the plates are quickly leveled and are mechanically and quickly placed, thereby achieving the purpose of quickly replacing and repairing the plates.
In order to achieve the purpose, the invention adopts the technical scheme that:
an airport pavement assembled plate-changing updating technical method is characterized in that pavement slab prefabrication is carried out in the early stage, old plate cutting separation, old plate cleaning and substrate cleaning are carried out on a concrete pavement to be changed, and the old pavement is quickly and accurately removed; and installing a pavement slab positioning support and paving a self-leveling quick-setting mortar combined layer in the substrate, and realizing quick repair of the old pavement slab area through installation of the prefabricated pavement slab and standing maintenance after installation.
Preferably, the plate replacement and updating technical method is suitable for replacement type maintenance of the original old plate block in a local area or a large area of the airport pavement, and rapid, accurate, safe and efficient repair of the prefabricated pavement slab in the old pavement area is realized by straight separation of the old plate block, rapid leveling of the plate block and use of mechanical placement equipment.
Preferably, the step of prefabricating the road slab comprises the following steps:
step A1, determining the matching number of pavement slabs to be prefabricated according to the damaged area of the airport pavement to be processed;
step A2, producing the prefabricated pavement slab by adopting a prefabrication factory, and determining that the processing precision of the prefabricated pavement slab is controlled to be less than or equal to 2mm/3m in surface flatness;
step A3, when processing the precast pavement slab, arranging a flume at the bottom of the precast pavement slab, so as to facilitate interlayer drainage; the bottom of the prefabricated pavement slab is provided with a slurry storage groove, and redundant quick-setting mortar can be stored in the subsequent paving process; and in the process of prefabricating the top, surface roughening treatment is carried out, so that the friction coefficient of the plate is improved.
Preferably, the method for controlling the cutting and separating of the old plate comprises the following steps:
step B1, combining the size of the damaged plate and the modulus of the prefabricated plate, using concrete pavement cutting equipment to accurately cut and separate the old pavement from the surrounding plates by replacing the concrete pavement slab;
step B2, when cutting by the concrete pavement cutting equipment, a cutting machine straightening and leveling device and a laser level meter are used in a matching manner, and the straightening degree and the size requirement of cutting separation are accurately controlled;
and step B3, if the plate is changed in a large area, dividing the total area into construction units, carrying out flow construction, and controlling the unit time of plate changing.
Preferably, the content of the old plate removal comprises the following contents:
step C1, after cutting by the cutting equipment, crushing and decomposing the cut panel needing to be replaced by the crushing equipment;
step C2, before cutting, the surrounding plate blocks of the old pavement to be cut are protected, and marking lines and protecting pads can be arranged on the surrounding plate blocks during protection; when crushing is carried out by using crushing equipment, attention is paid to the positions of the marking line and the protection pad, and when the edge is crushed, attention is paid to the protection of peripheral plates by using small-sized fine crushing equipment;
step C3, when the slab is partially changed, the connecting piece is pre-buried into the original road slab in the periphery in advance in consideration of the connection between the precast slab and the original cast-in-place slab;
when the slab is changed in a large area, the connecting piece is used for connecting prefabricated slabs, and when the pavement slab is prefabricated, the connecting piece is pre-buried in advance;
and step C4, for large-area pavement slab replacement, matching the operation area of each flow unit, calculating the abandoned material to be removed in each cycle operation surface, and ensuring timely outward transportation of the abandoned material.
Preferably, the control content of the substrate cleaning comprises the following contents:
d1, carrying out base cleaning by adopting modes of cleaning, cleaning and the like after the crushed residues of the old pavement are transported outside;
and D2, if the plate is changed in a large area, the working area of each line production unit needs to be matched, and the cleaning of each cycle and the outward transportation of the waste materials are calculated.
Preferably, the mounting contents of the pavement slab positioning support comprise the following:
e1, the pavement slab positioning support is a special mushroom-shaped support, the mounting position of the positioning support is determined, and pre-supporting positioning is carried out;
and E2, implanting the support into the base layer below the airport pavement according to the four-point positioning of the plate and combining with the on-site precision measurement.
Preferably, the laying control method of the self-leveling quick-setting mortar bonding layer comprises the following steps:
step F1, adopting quick setting mortar as a laying layer to shorten the construction period;
f2, laying self-leveling quick-setting mortar in the substrate to serve as a bonding layer of the base layer and the prefabricated plate;
step F3, the high-flatness installation requirement of the plate is achieved through double control of the self-leveling elevation of the bottom of the plate and the elevation of the top of the precast slab;
and F4, collecting the slurry in the groove at the bottom of the plate for the redundant extruded quick setting mortar in the plate leveling process.
Preferably, the contents of the installation of the precast pavement slab include the following:
g1, adopting a specially-made road surface plate hoisting device, wherein the hoisting precision is controlled to be in millimeter level, and the hoisting device can adopt a tire type, rail type or combined type moving mode;
g2, extracting, moving, positioning and hoisting the pavement slab through hoisting equipment;
g3, sequentially installing road panels in the area to be installed, and driving the hoisting equipment away from a hoisting site after the installation is finished;
and G4, standing and maintaining for 1.0 hour after the pavement slab in the installation area is installed, and then recovering navigation.
Preferably, the straightening and leveling device of the cutting machine comprises a cutting positioning frame, the cutting positioning frame is in a square frame shape, the cutting positioning frame comprises four cutting positioning I-shaped steel beams, the upper end part of each cutting positioning I-shaped steel beam is provided with a connecting inclined rod, and every two adjacent cutting positioning I-shaped steel beams are fixedly connected through a positioning bolt in the connecting inclined rod;
an angle steel plate rail is arranged on each cutting positioning I-shaped steel beam, two laser levels are matched with the side end of each cutting positioning I-shaped steel beam, and the two laser levels are connected to the front side end and the rear side end of each cutting positioning I-shaped steel beam through sliding positioning supports respectively;
the cutting equipment comprises a cutting machine body, a counterweight guide support and a roller guide rod assembly, wherein the counterweight guide support is connected to the upper front end of the cutting body, the roller guide rod assembly is connected to the upper side end of the counterweight guide support, and a roller of the roller guide rod assembly is in adaptive connection with the angle steel plate rail.
The invention has the beneficial effects that:
according to the airport pavement assembly type plate replacement updating technical method, the pavement plate is prefabricated, so that the concrete forming strength is improved, the stress state of the bottom of the prefabricated pavement plate is improved through the groove design of the bottom of the plate, and meanwhile, leveling and drainage are facilitated. The old plate is cut and separated, so that the device is not only suitable for replacing large-area plates, but also more beneficial to quickly separating and replacing local plates, and ensures the coincidence of the reserved grooves and the plates. The installation of the positioning support is convenient for rapidly leveling the four corners of the plate, and the prerequisite support is improved for the installation of the plate. Laying a self-leveling quick-setting mortar combined layer, not only improving the higher flatness of the top surface of the base layer locally and integrally, but also shortening the processing time of the base surface by adopting a quick-setting material; the plate installation adopts professional hanger plate equipment, improves the board speed of trading by a wide margin, further promotes the quick restoration of airport under the construction condition of not navigating.
Drawings
In order to clearly illustrate the embodiments or technical solutions of the present invention in the prior art, the drawings used in the description of the embodiments or prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a block diagram of the overall flow of the airport pavement assembled plate-changing updating technique.
FIG. 2 is a schematic structural position diagram of a concrete pavement cutting device and a straightening and leveling device of a cutting machine.
Detailed Description
The invention provides an airport pavement assembled plate-changing updating technical method, which is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention is described in detail below with reference to the accompanying drawings:
example 1
With reference to fig. 1, an airport pavement assembled plate-changing updating technique is characterized in that pavement plates are prefabricated in the early stage, and old plate cutting separation, old plate cleaning and substrate cleaning are performed on a concrete pavement to be changed, so that the old pavement is quickly and accurately removed; and installing a pavement slab positioning support and paving a self-leveling quick-setting mortar combined layer in the substrate, and realizing quick repair of the old pavement slab area through installation of the prefabricated pavement slab and standing maintenance after installation.
The plate replacing and updating technical method is suitable for replacing and maintaining original old plates in local areas or large-area areas of the airport pavement, and can realize quick, accurate, safe and efficient repair of the prefabricated pavement slab in the old pavement area by straight separation of the old plates, quick leveling of the plates and use of mechanical placement equipment.
Example 2
With reference to fig. 1, an airport pavement assembled plate-changing updating technique is characterized in that pavement plates are prefabricated in the early stage, and old plate cutting separation, old plate cleaning and substrate cleaning are performed on a concrete pavement to be changed, so that the old pavement is quickly and accurately removed; and installing a pavement slab positioning support and paving a self-leveling quick-setting mortar combined layer in the substrate, and realizing quick repair of the old pavement slab area through installation of the prefabricated pavement slab and standing maintenance after installation.
The method for prefabricating the road slab comprises the following steps: step A1, determining the matching number of pavement slabs to be prefabricated according to the damaged area of the airport pavement to be processed; step A2, producing the prefabricated pavement slab by adopting a prefabrication factory, and determining that the processing precision of the prefabricated pavement slab is controlled to be less than or equal to 2mm/3m in surface flatness; step A3, when processing the precast pavement slab, arranging a flume at the bottom of the precast pavement slab, so as to facilitate interlayer drainage; the bottom of the prefabricated pavement slab is provided with a slurry storage groove, and redundant quick-setting mortar can be stored in the subsequent paving process; and in the process of prefabricating the top, surface roughening treatment is carried out, so that the friction coefficient of the plate is improved.
The method for controlling the cutting and separating of the old plate comprises the following steps: step B1, combining the size of the damaged plate and the modulus of the prefabricated plate, using concrete pavement cutting equipment to accurately cut and separate the old pavement from the surrounding plates by replacing the concrete pavement slab; step B2, when cutting by the concrete pavement cutting equipment, a cutting machine straightening and leveling device and a laser level meter are used in a matching manner, and the straightening degree and the size requirement of cutting separation are accurately controlled; and step B3, if the plate is changed in a large area, dividing the total area into construction units, carrying out flow construction, and controlling the unit time of plate changing.
The contents of the old plate removal include the following: step C1, after cutting by the cutting equipment, crushing and decomposing the cut panel needing to be replaced by the crushing equipment; step C2, before cutting, the surrounding plate blocks of the old pavement to be cut are protected, and marking lines and protecting pads can be arranged on the surrounding plate blocks during protection; when crushing is carried out by using crushing equipment, attention is paid to the positions of the marking line and the protection pad, and when the edge is crushed, attention is paid to the protection of peripheral plates by using small-sized fine crushing equipment; step C3, when the slab is partially changed, the connecting piece is pre-buried into the original road slab in the periphery in advance in consideration of the connection between the precast slab and the original cast-in-place slab; when the slab is changed in a large area, the connecting piece is used for connecting prefabricated slabs, and when the pavement slab is prefabricated, the connecting piece is pre-buried in advance; and step C4, for large-area pavement slab replacement, matching the operation area of each flow unit, calculating the abandoned material to be removed in each cycle operation surface, and ensuring timely outward transportation of the abandoned material.
The control content of the substrate cleaning comprises the following steps: d1, carrying out base cleaning by adopting modes of cleaning, cleaning and the like after the crushed residues of the old pavement are transported outside; and D2, if the plate is changed in a large area, the working area of each line production unit needs to be matched, and the cleaning of each cycle and the outward transportation of the waste materials are calculated.
The mounting contents of the pavement slab positioning support comprise the following steps: e1, the pavement slab positioning support is a special mushroom-shaped support, the mounting position of the positioning support is determined, and pre-supporting positioning is carried out; and E2, implanting the support into the base layer below the airport pavement according to the four-point positioning of the plate and combining with the on-site precision measurement.
The laying control method of the self-leveling quick-setting mortar bonding layer comprises the following steps: step F1, adopting quick setting mortar as a laying layer to shorten the construction period; f2, laying self-leveling quick-setting mortar in the substrate to serve as a bonding layer of the base layer and the prefabricated plate; step F3, the high-flatness installation requirement of the plate is achieved through double control of the self-leveling elevation of the bottom of the plate and the elevation of the top of the precast slab; and F4, collecting the slurry in the groove at the bottom of the plate for the redundant extruded quick setting mortar in the plate leveling process.
The contents of the installation of the prefabricated pavement slab include the following: g1, adopting a specially-made road surface plate hoisting device, wherein the hoisting precision is controlled to be in millimeter level, and the hoisting device can adopt a tire type, rail type or combined type moving mode; g2, extracting, moving, positioning and hoisting the pavement slab through hoisting equipment; g3, sequentially installing road panels in the area to be installed, and driving the hoisting equipment away from a hoisting site after the installation is finished; and G4, standing and maintaining for 1.0 hour after the pavement slab in the installation area is installed, and then recovering navigation.
Example 3
With reference to fig. 1 and 2, an airport pavement assembled plate-changing updating technique method performs pavement slab prefabrication in the early stage, performs old plate cutting separation, old plate cleaning and substrate cleaning on a concrete pavement to be changed, and realizes quick and accurate removal of the old pavement; and installing a pavement slab positioning support and paving a self-leveling quick-setting mortar combined layer in the substrate, and realizing quick repair of the old pavement slab area through installation of the prefabricated pavement slab and standing maintenance after installation.
The method for prefabricating the road slab comprises the following steps: step A1, determining the matching number of pavement slabs to be prefabricated according to the damaged area of the airport pavement to be processed; step A2, producing the prefabricated pavement slab by adopting a prefabrication factory, and determining that the processing precision of the prefabricated pavement slab is controlled to be less than or equal to 2mm/3m in surface flatness; step A3, when processing the precast pavement slab, arranging a flume at the bottom of the precast pavement slab, so as to facilitate interlayer drainage; the bottom of the prefabricated pavement slab is provided with a slurry storage groove, and redundant quick-setting mortar can be stored in the subsequent paving process; and in the process of prefabricating the top, surface roughening treatment is carried out, so that the friction coefficient of the plate is improved.
The method for controlling the cutting and separating of the old plate comprises the following steps: step B1, combining the size of the damaged plate and the modulus of the prefabricated plate, using concrete pavement cutting equipment to accurately cut and separate the old pavement from the surrounding plates by replacing the concrete pavement slab; step B2, when the concrete pavement cutting equipment 1 cuts, a cutting machine straightening and leveling device 2 and a laser level meter 3 are used in a matching mode, and the straightening degree and the size requirements of cutting separation are accurately controlled; and step B3, if the plate is changed in a large area, dividing the total area into construction units, carrying out flow construction, and controlling the unit time of plate changing.
The straightening and leveling device 2 of the cutting machine comprises a cutting positioning frame 21, the cutting positioning frame 21 is in a square frame shape, the cutting positioning frame comprises four cutting positioning I-shaped steel beams 22, the upper end of each cutting positioning I-shaped steel beam 22 is provided with a connecting inclined rod 23, and every two adjacent cutting positioning I-shaped steel beams 22 are fixedly connected through a positioning bolt in the connecting inclined rod.
An angle steel plate rail 24 is arranged on each cutting positioning I-shaped steel beam 22, two laser levels 3 are matched with the side ends of each cutting positioning I-shaped steel beam 22, and the two laser levels 3 are connected to the front side end and the rear side end of each cutting positioning I-shaped steel beam respectively through sliding positioning supports 31.
The cutting equipment 1 comprises a cutting machine body 11, a counterweight guide bracket 12 connected to the upper front end of the cutting body 11 and a roller guide rod assembly 13 connected to the upper side end of the counterweight guide bracket 12, wherein a roller 14 of the roller guide rod assembly 13 is in adaptive connection with an angle steel plate rail 24.
According to the invention, the pavement slab is prefabricated, so that the concrete forming strength is improved, the stress state of the slab bottom of the prefabricated pavement slab is improved through the groove design of the slab bottom, and meanwhile, the leveling and drainage are facilitated; the old plate is cut and separated, so that the method is suitable for replacing large-area plates, is more favorable for quickly separating and replacing local plates, and ensures the fit between the reserved groove and the plate; the installation of the positioning support is convenient for quickly leveling the four corners of the plate, and the prerequisite support is improved for the installation of the plate; laying a self-leveling quick-setting mortar combined layer, not only improving the higher flatness of the top surface of the base layer locally and integrally, but also shortening the processing time of the base surface by adopting a quick-setting material; the plate installation adopts professional hanger plate equipment, improves the board speed of trading by a wide margin, further promotes the quick restoration of airport under the construction condition of not navigating.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. An airport pavement assembled plate-changing updating technical method is characterized in that pavement slab prefabrication is carried out in the early stage, old plate cutting separation, old plate cleaning and substrate cleaning are carried out on a concrete pavement to be changed, and the old pavement is quickly and accurately removed; and installing a pavement slab positioning support and paving a self-leveling quick-setting mortar combined layer in the substrate, and realizing quick repair of the old pavement slab area through installation of the prefabricated pavement slab and standing maintenance after installation.
2. The assembled plate-changing and renewing technique for airport pavement according to claim 1 is suitable for the replacement and repair of old plate blocks in local or large area of airport pavement, and can realize the fast, accurate, safe and efficient repair of the prefabricated pavement slab in the area of the old pavement by the straight detachment of the old plate blocks and the use of the fast leveling and mechanical placing equipment of the plate blocks.
3. The method of claim 1, wherein the step of prefabricating the pavement slab comprises:
step A1, determining the matching number of pavement slabs to be prefabricated according to the damaged area of the airport pavement to be processed;
step A2, producing the prefabricated pavement slab by adopting a prefabrication factory, and determining that the processing precision of the prefabricated pavement slab is controlled to be less than or equal to 2mm/3m in surface flatness;
step A3, when processing the precast pavement slab, arranging a flume at the bottom of the precast pavement slab, so as to facilitate interlayer drainage; the bottom of the prefabricated pavement slab is provided with a slurry storage groove, and redundant quick-setting mortar can be stored in the subsequent paving process; and in the process of prefabricating the top, surface roughening treatment is carried out, so that the friction coefficient of the plate is improved.
4. The method of claim 1, wherein the method of old plate cutting and separating control comprises the following steps:
step B1, combining the size of the damaged plate and the modulus of the prefabricated plate, using concrete pavement cutting equipment to accurately cut and separate the old pavement from the surrounding plates by replacing the concrete pavement slab;
step B2, when cutting by the concrete pavement cutting equipment, a cutting machine straightening and leveling device and a laser level meter are used in a matching manner, and the straightening degree and the size requirement of cutting separation are accurately controlled;
and step B3, if the plate is changed in a large area, dividing the total area into construction units, carrying out flow construction, and controlling the unit time of plate changing.
5. The method of claim 1, wherein the contents of said old plate removal include the following:
step C1, after cutting by the cutting equipment, crushing and decomposing the cut panel needing to be replaced by the crushing equipment;
step C2, before cutting, the surrounding plate blocks of the old pavement to be cut are protected, and marking lines and protecting pads can be arranged on the surrounding plate blocks during protection; when crushing is carried out by using crushing equipment, attention is paid to the positions of the marking line and the protection pad, and when the edge is crushed, attention is paid to the protection of peripheral plates by using small-sized fine crushing equipment;
step C3, when the slab is partially changed, the connecting piece is pre-buried into the original road slab in the periphery in advance in consideration of the connection between the precast slab and the original cast-in-place slab;
when the slab is changed in a large area, the connecting piece is used for connecting prefabricated slabs, and when the pavement slab is prefabricated, the connecting piece is pre-buried in advance;
and step C4, for large-area pavement slab replacement, matching the operation area of each flow unit, calculating the abandoned material to be removed in each cycle operation surface, and ensuring timely outward transportation of the abandoned material.
6. The airport pavement assembled change plate updating technology method of claim 1, wherein the control content of the substrate cleaning comprises the following:
d1, carrying out base cleaning by adopting modes of cleaning, cleaning and the like after the crushed residues of the old pavement are transported outside;
and D2, if the plate is changed in a large area, the working area of each line production unit needs to be matched, and the cleaning of each cycle and the outward transportation of the waste materials are calculated.
7. The airport pavement assembled plate-changing updating technology method of claim 1, wherein the installing contents of the pavement plate positioning support comprise the following steps:
e1, the pavement slab positioning support is a special mushroom-shaped support, the mounting position of the positioning support is determined, and pre-supporting positioning is carried out;
and E2, implanting the support into the base layer below the airport pavement according to the four-point positioning of the plate and combining with the on-site precision measurement.
8. The technical method for updating the assembled change plate of the airport pavement according to claim 1, wherein the laying control method of the self-leveling quick-setting mortar bonding layer comprises the following steps:
step F1, adopting quick setting mortar as a laying layer to shorten the construction period;
f2, laying self-leveling quick-setting mortar in the substrate to serve as a bonding layer of the base layer and the prefabricated plate;
step F3, the high-flatness installation requirement of the plate is achieved through double control of the self-leveling elevation of the bottom of the plate and the elevation of the top of the precast slab;
and F4, collecting the slurry in the groove at the bottom of the plate for the redundant extruded quick setting mortar in the plate leveling process.
9. The method of claim 1, wherein the contents of the installation of the prefabricated pavement slab comprises the following steps:
g1, adopting a specially-made road surface plate hoisting device, wherein the hoisting precision is controlled to be in millimeter level, and the hoisting device can adopt a tire type, rail type or combined type moving mode;
g2, extracting, moving, positioning and hoisting the pavement slab through hoisting equipment;
g3, sequentially installing road panels in the area to be installed, and driving the hoisting equipment away from a hoisting site after the installation is finished;
and G4, standing and maintaining for 1.0 hour after the pavement slab in the installation area is installed, and then recovering navigation.
10. The airport pavement assembled plate-changing updating technical method according to claim 4, wherein the cutting machine straightening and leveling device comprises a cutting and positioning frame, the cutting and positioning frame is in a square frame shape, the cutting and positioning frame comprises four cutting and positioning I-shaped steel beams, the upper end part of each cutting and positioning I-shaped steel beam is provided with a connecting inclined rod, and every two adjacent cutting and positioning I-shaped steel beams are fixedly connected through a positioning bolt in the connecting inclined rod;
an angle steel plate rail is arranged on each cutting positioning I-shaped steel beam, two laser levels are matched with the side end of each cutting positioning I-shaped steel beam, and the two laser levels are connected to the front side end and the rear side end of each cutting positioning I-shaped steel beam through sliding positioning supports respectively;
the cutting equipment comprises a cutting machine body, a counterweight guide support and a roller guide rod assembly, wherein the counterweight guide support is connected to the upper front end of the cutting body, the roller guide rod assembly is connected to the upper side end of the counterweight guide support, and a roller of the roller guide rod assembly is in adaptive connection with the angle steel plate rail.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115897506A (en) * | 2023-01-05 | 2023-04-04 | 中国电建集团西北勘测设计研究院有限公司 | Repairing method for concrete steel plate corner protector |
| WO2023123687A1 (en) * | 2021-12-30 | 2023-07-06 | 中国民航大学 | Special device for integral plate replacement of cement concrete runway and construction method |
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| US20040050006A1 (en) * | 2000-10-30 | 2004-03-18 | Park Sang Tae | Composite panel for reparing, reinforcing con'c body and method of using the same |
| CN110258276A (en) * | 2019-06-21 | 2019-09-20 | 上海申继交通科技有限公司 | A kind of micro- table breakage quick maintenance method of concrete road surface |
| CN110644337A (en) * | 2019-09-30 | 2020-01-03 | 上海隆基建设股份有限公司 | Rapid repairing construction method for airport cement concrete pavement |
| CN212223497U (en) * | 2020-04-26 | 2020-12-25 | 孙彬 | Cement concrete pavement quick-changing plate for airport flight area |
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| WO2023123687A1 (en) * | 2021-12-30 | 2023-07-06 | 中国民航大学 | Special device for integral plate replacement of cement concrete runway and construction method |
| CN115897506A (en) * | 2023-01-05 | 2023-04-04 | 中国电建集团西北勘测设计研究院有限公司 | Repairing method for concrete steel plate corner protector |
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