阅读说明：本技术 一种机场水泥混凝土道面表面纹理处置方法 (Airport cement concrete pavement surface texture treatment method ) 是由 隆超 谷伟涛 杨扬 高建华 张桂琛 李汉琨 任全溪 于 2021-10-13 设计创作，主要内容包括：本发明公开了一种机场水泥混凝土道面表面纹理处置方法,涉及机场场道施工技术领域；其具体步骤包括设计制造混凝土浇筑模板,并将浇筑模板进行支立；搅拌和运输混凝土至指定的道路铺筑位置；将搅拌完成的混凝土进行卸料、布料与摊铺；对摊铺在模板间的混凝土通过振捣器进行振捣和沉实；对混凝土表面进行整平、揉浆和找平处理；对混凝土表面进行做面工艺处理；对混凝土表面进行拉毛工艺处理；进行道面养护,通过总结拉毛毛刷类型与平均纹理深度和摩擦系数测定值的关系,结合风力和温度等环境条件,选定合适的拉毛工艺时间,解决了道面纹理深度不足、超标或不均匀等现象,提高道面综合抗滑性能。(The invention discloses a disposal method for the surface texture of an airport cement concrete pavement, which relates to the technical field of airport pavement construction; designing and manufacturing a concrete pouring template, and erecting the pouring template; mixing and transporting concrete to a designated road paving location; unloading, distributing and paving the stirred concrete; vibrating and compacting concrete paved between the formworks by a vibrator; carrying out leveling, pulp kneading and leveling treatment on the surface of the concrete; performing surface processing on the surface of the concrete; carrying out napping process treatment on the surface of the concrete; and maintaining the pavement, selecting proper napping process time by summarizing the relationship between the type of the napping brush and the measured values of the average texture depth and the friction coefficient and combining environmental conditions such as wind power, temperature and the like, solving the problems of insufficient, overproof or uneven texture depth and the like of the pavement and improving the comprehensive skid resistance of the pavement.)

1. A method for processing the surface texture of an airport cement concrete pavement is characterized by comprising the following steps:

s1, designing and manufacturing a concrete pouring template, and erecting the pouring template at a pavement paving position;

s2, mixing the concrete and transporting the mixed concrete to a specified pavement paving position;

s3, unloading the mixed concrete, and pouring the concrete into a formwork erected in advance;

s4, distributing and paving the concrete in the template, and distributing the concrete at each corner in the template;

s5, vibrating and compacting the concrete paved between the formworks by a vibrator;

s6, leveling, kneading and leveling the concrete surface;

s7, performing surface processing on the concrete surface;

s8, performing napping process treatment on the concrete surface;

and S9, maintaining the road surface.

2. The method for treating the surface texture of the airport cement concrete pavement according to claim 1, which is characterized in that: in the step S1, a shaping steel template (a1) is adopted as the pouring template, and the shaping steel template (a1) comprises a shaping rib plate (a2), a shaping panel (a3) and a female tongue-and-groove (a 4); the shaping rib plate (a2) and the shaping panel (a3) are of an integral structure; the height of the shaping panel (a3) is 2-4 mm longer than that of the shaping rib plate (a 2); the middle of the shaping panel (a3) is provided with a female rabbet (a4), the thickness of the shaping ribbed slab (a2) is 5-8 mm, the middle of the concrete contact surface of the shaping steel template (a1) is provided with a female rabbet (a2), the upper end and the lower end of the shaping ribbed slab (a2) are provided with connecting holes, and the symmetrical surface of the connecting surface of the shaping panel (a3) of the shaping ribbed slab (a2) is provided with a supporting ribbed slab (a 5).

3. The method for treating the surface texture of the airport cement concrete pavement according to claim 1, which is characterized in that: step S6 of leveling, kneading and leveling the concrete surface includes the following steps,

s601, erecting row compactors between the templates, dragging the row compactors on the concrete surface along the erecting direction of the templates, and leveling the concrete surface; filling gaps below the row tamper;

s602, dragging the surface of the concrete by using a roller, and kneading the concrete; filling and leveling the gap part below the roller;

and S603, leveling the surface of the concrete by using a leveling ruler, detecting the flatness and cleaning redundant cement paste on the surface.

4. The method for treating the surface texture of the airport cement concrete pavement according to claim 1, which is characterized in that: the step S7 of performing a surfacing process on the concrete surface includes the steps of,

s701, kneading and flattening the surface by using a plastic trowel, pressing exposed stones down, and uniformly distributing the slurry on the surface of concrete;

s702, detecting the thickness of cement paste by using a paste thickness detector, and determining the preset thickness of the finished surface;

s703, pressing the sand into the surface by using a steel trowel, eliminating sand holes and uneven traces, and cleaning the adhesive slurry on the surface of the template

And S704, using a light receiving trowel to transversely drag the light receiving trowel on the surface to be leveled, and using a slurry thickness detector to detect the thickness of the cement slurry.

5. The method for treating the surface texture of the airport cement concrete pavement according to claim 1, which is characterized in that: step S8, the method for roughening a concrete surface includes the steps of,

s801, manufacturing brushes with different diameters and the sizes of the bristles are 2.0-3.0 mm respectively;

s802, monitoring and recording the environment temperature and the wind power condition in real time, analyzing the influence of the environment temperature, the wind power and the time interval on the water-cement ratio of the concrete, and determining the galling operation time;

s803, depicting texture at an angle of 10-15 degrees between the brush and the road surface, measuring the depth and the friction coefficient of the surface texture, and analyzing the requirements of the road surface on different friction coefficients and surface texture depths, and selecting a preset napping brush and a combination thereof; and the cement paste adhered to the brush is cleaned in time.

6. The method for treating the surface texture of the airport cement concrete pavement according to claim 1, which is characterized in that: in step S9, the method for maintaining a pavement includes the steps of,

s901, adopting a seal dip-test method, and detecting the road surface state by using a seal modeling detection device;

and S902, analyzing the detection result of the seal modeling detector, determining the maintenance cloth covering time, and covering the road surface with the maintenance cloth.

7. The method for treating the surface texture of the airport cement concrete pavement according to claim 3, characterized in that: thick liquid detector includes inner tube (b1) and urceolus (b2), inner tube (b1) cup joints with urceolus (b2) and is connected, the surface of inner tube (b1) is equipped with scale mark (b2), the bottom of urceolus (b2) is equipped with blade (b 4).

8. The method for processing the surface texture of the airport cement concrete pavement according to claim 5, wherein the method comprises the following steps: the stamp modeling detector comprises a lifting handle (c1), a stamp body (c2) and a dial (c3), wherein the lifting handle (c1) is arranged above the stamp body (c2), the dial (c3) is arranged at the bottom of the stamp body (c2), and an adhesion layer (c4) is arranged on the dial (c 3).

9. The method for processing the surface texture of the airport cement concrete pavement according to claim 7, which is characterized in that: adhesion layer (c4) adopts the silica gel material, the stamp body (c2) is the cylinder structure, the diameter of the stamp body (c2) is 3cm, adhesion layer (c4) equalling divide into ten equal parts adhesion on calibrated scale (c 3).

10. The method for processing the surface texture of the airport cement concrete pavement according to claim 4, which is characterized in that: the number of the brushes is five, and the diameter sizes of the bristles of the five brushes are respectively 2.0mm, 2.5mm, 3.0mm, a combination of 2.0mm and 2.5mm, and a combination of 2.5mm and 3.0 mm; the bristles are made of nylon rods (d1), and one end parts of the nylon rods (d1) are fixed on the profiled wood bars (d 2); the distance between the adjacent nylon rods (d1) is 4-7 mm, fastening bolts (d3) are arranged on the compression type wooden bars (d2), and holding rod connectors (d4) are arranged on the compression type wooden bars (d 2).

Technical Field

The invention relates to the technical field of airport runway construction, in particular to a method for disposing airport cement concrete pavement surface textures.

Background

With the continuous and high-speed increase of the aviation traffic demand in China, military and civil aviation and general airports enter a large-scale construction stage. As is well known, the problem of airplane sliding safety is one of the important factors for ensuring the efficient operation of an airport, and the quality of the surface performance of an airport pavement is a main factor influencing the problem of airplane sliding safety. Therefore, it is required that we put higher demands on the surface properties of the airport pavement; in the course of constructing cement concrete road surface in airport, its average grain depth is mainly implemented by roughening and grooving processes, and this index is often influenced by various factors of road surface material, climate and construction process, and at the same time, if the smoothness of road surface is poor, the roughening opportunity is not reasonable, the roughening tool is not properly selected, and the maintenance measure for road surface after roughening is not timely, so that the grain depth is easily insufficient, exceeded or uneven. Therefore, how to process the texture depth and improve the surface performance of the pavement is one of the problems which are difficult to solve in airport construction.

Disclosure of Invention

The invention provides a disposal method for the surface texture of an airport cement concrete pavement, aiming at solving the technical problems of insufficient depth, excessive standard or non-uniform texture and the like of the surface texture of the pavement.

The technical problem of the invention is realized by the following technical scheme:

a method for processing the surface texture of an airport cement concrete pavement comprises the following steps:

s1, designing and manufacturing a concrete pouring template, and erecting the pouring template at a pavement paving position;

s2, mixing the concrete and transporting the mixed concrete to a specified pavement paving position;

s3, unloading the mixed concrete, and pouring the concrete into a formwork erected in advance;

s4, distributing and paving the concrete in the template, and distributing the concrete at each corner in the template;

s5, vibrating and compacting the concrete paved between the formworks by a vibrator;

s6, leveling, kneading and leveling the concrete surface;

s7, performing surface processing on the concrete surface;

s8, performing napping process treatment on the concrete surface;

and S9, maintaining the road surface.

Further, in the step S1, the pouring template is a shaped steel template, and the shaped steel template includes a shaped rib plate, a shaped panel and a female tongue-and-groove; the shaping rib plate and the shaping panel are of an integral structure; the height of the shaping panel is 1-2 mm longer than that of the shaping rib plate; the middle position of the shaping panel is provided with a female tongue-and-groove, the thickness of the shaping rib plate is 5-8 mm, the middle position of the concrete contact surface of the shaping steel template is provided with a female tongue-and-groove, the upper end and the lower end of the shaping rib plate are provided with connecting holes, and the outer side surface of the shaping rib plate is provided with a supporting rib plate.

By using the technical scheme, the female tongue-and-groove is arranged on the shaping steel template, the integrity of adjacent plates on the same plane is ensured, the phenomenon of slab staggering is avoided, meanwhile, the height of the shaping panel is higher than that of the shaping rib plate, and the leveling plane takes the top end of the shaping panel as a reference standard, so that the improvement of the flatness of the concrete surface is facilitated.

Further, the step S6 of leveling, kneading and leveling the concrete surface includes the following steps,

s601, erecting row compactors between the templates, dragging the row compactors on the concrete surface along the erecting direction of the templates, and leveling the concrete surface; filling gaps below the row tamper;

s602, dragging the surface of the concrete by using a roller, and kneading the concrete; filling and leveling the gap part below the roller;

and S603, leveling the surface of the concrete by using a leveling ruler, detecting the flatness and cleaning redundant cement paste on the surface.

By using the technical scheme, the concrete surface can be uniformly leveled by dragging the row rammer to move on the concrete surface, and the concrete surface is further leveled by digging to compensate height; the roller drags the operation to and fro on the concrete surface, achieving the purpose of kneading and lifting the slurry and further leveling the surface of the road surface; the leveling ruler is used for leveling, the flatness is checked, and meanwhile, redundant water and laitance on the surface can be removed.

Further, the step S7 of performing a surfacing process on the concrete surface includes the following steps,

s701, kneading and flattening the surface by using a plastic trowel, pressing exposed stones down, and uniformly distributing the slurry on the surface of concrete;

s702, detecting the thickness of cement paste by using a paste thickness detector, and determining the preset thickness of the finished surface;

s703, pressing the sand and stone into the surface by using a steel trowel, eliminating sand holes and uneven traces, and cleaning the surface adhesive slurry of the template;

and S704, using a light receiving trowel to transversely drag the light receiving trowel on the surface to be leveled, and using a slurry thickness detector to detect the thickness of the cement slurry.

By using the technical scheme, the slurry thickness detector can detect the thickness of the cement slurry, so that the reasonable thickness of the cement slurry for making the dough is ensured; the three plastering procedures of the plastic trowel, the steel trowel and the finishing trowel are used for plastering, the control on the concrete flatness can be greatly improved, the thickness of cement paste is measured by using the paste thickness detector again, and the plastering process is further determined to meet the construction requirements.

Further, in step S8, the method for roughening the surface of the concrete includes the following steps,

s801, manufacturing brushes with different diameters, wherein the diameter of each brush is 2.0-3.0 mm;

s802, monitoring and recording the environment temperature and the wind power condition in real time, analyzing the influence of the environment temperature, the wind power and the time interval on the water-cement ratio of the concrete, and determining the galling operation time;

s803, depicting texture at an angle of 10-15 degrees between the brush and the road surface, measuring the depth and the friction coefficient of the surface texture, and analyzing the requirements of the road surface on different friction coefficients and surface texture depths, and selecting a preset napping brush and a combination thereof; and the cement paste adhered to the brush is cleaned in time.

By using the technical scheme, the relationship between the type and the combination of the napping brush and the measured values of the average texture depth and the friction coefficient is summarized so as to reasonably select the napping tool under the requirements of different friction coefficients and surface texture depths; summarizing an optimal galling operation interval time table according to different temperature and wind power conditions; more scientific and accurate replaces manual judgment, and guarantees the texture depth after napping.

Further, in step S9, the method for maintaining the pavement comprises the steps of,

s901, adopting a seal dip-test method, and detecting the road surface state by using a seal modeling detection device;

and S902, analyzing the detection result of the seal modeling detection device, determining the maintenance cloth covering time, and performing maintenance cloth covering on the road surface.

By using the technical scheme, the seal modeling detection device is used for replacing manual blind detection and judgment, and the time for covering and maintaining the cloth is strictly controlled, so that the texture effect after napping is ensured.

Further, thick detector of thick liquid includes inner tube and urceolus, the inner tube cup joints with the urceolus and is connected, the surface of inner tube is equipped with the scale mark, the bottom of urceolus is equipped with the blade.

Through using above technical scheme, thick detector's inner tube and urceolus cup joint are connected, and are equipped with the blade in the bottom of urceolus, make and insert the concrete surface easier.

Furthermore, the stamp modeling detector comprises a lifting handle, a stamp body and a dial, wherein the lifting handle is arranged above the stamp body, the dial is arranged at the bottom of the stamp body, and an adhesion layer is arranged on the dial.

Through using above technical scheme, replace artifical the state of discerning concrete pavement surface, make the construction process more scientific, reduce the error judgement that the experience is not enough brings.

Further, the adhesion layer adopts the silica gel material, the stamp body is the cylinder structure, the diameter of the stamp body is 3cm, the adhesion layer equidistribution is ten equal parts adhesion on the calibrated scale.

Through using above technical scheme, the silica gel material is more close to the sense of touch of skin, divides into ten equal parts and makes the result show more accurately, guarantees the accuracy of testing result.

Furthermore, the number of the brushes is five, and the diameter sizes of the bristles of the five brushes are respectively 2.0mm, 2.5mm, 3.0mm, a combination of 2.0mm and 2.5mm, and a combination of 2.5mm and 3.0 mm; the brush hair is made by the nylon stick, and a tip of nylon stick is fixed on the die mould stuff, and is adjacent the distance of nylon stick is 4 ~ 7mm, be equipped with fastening bolt on the die mould stuff, be equipped with the holding rod connector on the die mould stuff.

By using the technical scheme, five different brushes are utilized to measure the average texture depth and the friction coefficient of the surface, and the brushing brushes are reasonably selected under the requirements of different friction coefficients and surface texture depths of the analysis road surface.

In conclusion, the invention has the following beneficial effects:

1. the method uses brush types with different specifications, takes the time interval from finishing plastering to starting napping operation as a quantitative analysis index, monitors and records the environmental temperature and wind force conditions in real time, experimentally detects the relationship between the brush size of the brush and the measured value of average texture depth and friction coefficient, analyzes by using a mathematical statistical method, summarizes and determines the optimal napping operation time, and adopts a seal modeling detector to detect the napped concrete pavement surface in real time after napping, so as to replace artificial experience to judge the time of changing the maintenance cloth; and further maintaining the rough road surface texture.

2. In the dough making process, the thickness of the cement paste is quantitatively detected by using a paste thickness detector through two detection processes, so that the paste thickness standard can be determined, the blind judgment that the paste extracting thickness can only be determined according to the length and the pass of the roller operation time and the paste extracting degree through manual visual inspection in the traditional construction operation is avoided, and the problem that the paste thickness is difficult to control is thoroughly solved; the surface of the concrete is kneaded, pressed and leveled by the force of three plastering processes of a plastic trowel, a steel trowel and a finishing trowel, exposed stones are pressed down to eliminate sand holes and uneven traces, the grout is uniformly distributed on the surface of the concrete, and the like and the surface of the concrete pavement is finished and leveled, so that the construction quality guarantee of plastering is enhanced, and the flatness of the pavement is improved.

3. According to the invention, the shaped steel template is punched into the female rabbet form by the cold-rolled steel plate, so that the female rabbet form has high rigidity and hardness, the damage to the template in the template erecting and template removing hammering processes is reduced, the female rabbet guarantees the integrity of an adjacent plate, the dislocation phenomenon is avoided, the height of the shaped panel is higher than that of the shaped rib plate, the shaped panel is used as the leveling reference of the concrete surface, the shaped rib plate is not used as the leveling reference, the influence of the deformation of the top surface of the rib plate in the long-term installation and template removing use process of the shaped rib plate is eliminated, and the improvement of the flatness of the concrete surface is facilitated.

Drawings

FIG. 1 is a flow chart of the pavement concrete construction process of the present invention;

FIG. 2 is a flow chart of the pavement concrete napping construction process of the present invention;

FIG. 3 is a side view of the steel form erecting structure of the present invention;

FIG. 4 is a schematic structural view of a slurry thickness detector according to the present invention;

FIG. 5 is a schematic view of the stamp molding detector of the present invention;

fig. 6 is a schematic view of the napping brush structure of the present invention.

Description of reference numerals:

a1, shaping a steel template; a2, shaping rib plates; a3, shaping panel; a4, female tongue and groove; a5, support ribs; b1, inner cylinder; b2, an outer cylinder; b3, scale marks; b4, a cutting edge; c1, lifting handle; c2, stamp body; c3, scale marks; c4, an adhesion layer; d1, nylon rod; d2, pressing wood strips; d3, fastening bolts; d4, connector.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

A method for treating the surface texture of an airport cement concrete pavement, as shown in fig. 1, comprising the following steps:

s1, designing and manufacturing a concrete pouring template, and erecting the pouring template at a pavement paving position;

s2, mixing the concrete and transporting the mixed concrete to a specified pavement paving position;

s3, unloading the mixed concrete, and pouring the concrete into a formwork erected in advance;

s4, distributing and paving the concrete in the template, and distributing the concrete at each corner in the template;

s5, vibrating and compacting the concrete paved between the formworks by a vibrator;

s6, leveling, kneading and leveling the concrete surface;

s7, performing surface processing on the concrete surface;

s8, performing napping process treatment on the concrete surface;

and S9, maintaining the road surface.

In the step S1, the pouring template is a shaped steel template a1 and is made of cold-rolled steel plates; the shaping steel template a1 comprises a shaping ribbed plate a2, a shaping panel a3 and a female rabbet a 4; the shaping rib plate a2 and the shaping panel a3 are of an integral structure; the height of the shaping panel a3 is 1-2 mm longer than that of the shaping rib plate a 2; the middle position of the shaping panel a3 is provided with a female rabbet a4, the thickness of the shaping ribbed slab a2 is 5-8 mm, the middle position of the concrete contact surface of the shaping steel template a1 is provided with a female rabbet a2, the upper end and the lower end of the shaping ribbed slab a2 are provided with connecting holes, and the connecting holes are connected with two adjacent shaping steel templates a 1; a support rib plate a5 is arranged on a symmetrical surface of a connecting surface of a shaping panel a3 of the shaping rib plate a2, and the support rib plate a5 is formed by welding angle steel with the thickness of 5-10 mm; and a release agent is coated on the concrete contact surface of the shaping panel a3, so that the subsequent form removal treatment is facilitated.

Step S6 of leveling, kneading and leveling the concrete surface includes the following steps,

s601, erecting row rammers among the templates, dragging the row rammers on the concrete surface longitudinally and slowly along the erecting direction of the templates, dragging the row rammers on the top surface of the templates for 2-3 times in a reciprocating manner, in the dragging process, applying concrete to fill and compact the gaps between the row rammers and the concrete pavement surface in time, and carrying out manual shoveling and trimming when the material level is higher than the upper surface of the templates;

s602, after leveling, manually dragging the surface of the concrete in a reciprocating manner by using a roller with good rigidity and linearity to perform kneading treatment on the concrete; the number of the roller operations is preferably two; the first roller operation makes the surface of the road surface form a uniform cement slurry layer; the second operation eliminates the micro cracks and false coagulation phenomena generated by the plastic sedimentation of the concrete surface, eliminates the surface bleeding and fills and levels the gap part below the roller;

s603, leveling the surface of the concrete by using a leveling ruler, detecting the flatness and cleaning redundant cement paste on the surface; and meanwhile, rechecking the plane position and the height of the template by using a measuring instrument until the surface is completely flat.

The step S7 of performing a surfacing process on the concrete surface includes the steps of,

s701, kneading and flattening the surface by using a plastic trowel, pressing exposed stones down, and uniformly distributing the slurry on the surface of concrete;

s702, detecting the thickness of cement paste by using a paste thickness detector, and determining the preset thickness of the finished surface; the slurry thickness detector comprises an inner cylinder b1 and an outer cylinder b2, wherein the inner cylinder b1 is connected with the outer cylinder b2 in a sleeved mode, the outer surface of the inner cylinder b1 is provided with a scale mark b3, the bottom of the outer cylinder b2 is provided with a cutting edge b4, when the slurry thickness is measured, the slurry thickness detector is placed on the surface of a concrete pavement and is pressed downwards with proper force, at the moment, cement slurry remaining in a cylinder can jack the inner cylinder b1 to be lifted, and a slurry thickness value can be read according to the scale; the pulp thickness detection is carried out after the first plastic coating or wood coating, the detection frequency is that each board is not less than 6 points, and the pulp thickness is processed by methods of changing materials, compacting again or extracting pulp again when the pulp thickness exceeds the standard;

s703, pressing the sand and stone into the surface by using a steel trowel, eliminating sand holes and uneven traces, cleaning the adhesive slurry on the surface of the template, and ensuring that the surface of the concrete pavement is flat, compact, free of bubbles, cracks, smeared traces and the like.

S704, using a light-receiving trowel to transversely drag light-receiving leveling on the surface, and further controlling the flatness of the concrete pavement; and (5) detecting the thickness of the cement paste after plastering by using the paste thickness detector again.

Step S8, the method for roughening a concrete surface includes the steps of,

s801, manufacturing five brushes with the diameter sizes of 2.0mm, 2.5mm, 3.0mm, 2.0mm +2.5mm combined type and 2.5mm +3.0mm combined type respectively; the bristles are made of nylon rods d1, and one end part of the nylon rod d1 is fixed on the profiled wood bar d 2; the distance between the adjacent nylon rods d1 is 4-7 mm, a fastening bolt d3 is arranged on the profiled wood strip d2, and a holding rod connector d4 is arranged on the profiled wood strip d 2;

s802, monitoring and recording the environment temperature and the wind power condition in real time, analyzing the influence of the environment temperature, the wind power and the time interval on the water-cement ratio of the concrete, and determining the galling operation time;

according to the field construction working procedure, the interval time from the end of the last plastering to the start of the napping work is used as a quantitative analysis index, and the optimal work interval time for starting the napping work under the conditions of different temperatures and wind power when the water-cement ratio is constant is analyzed.

The optimal operation interval time for napping is detailed in a table 1-1;

TABLE 1-1 optimum intervals schedule for napping

S803, depicting texture at an angle of 10-15 degrees between the brush and the road surface, measuring the depth and the friction coefficient of the surface texture, and analyzing the requirements of the road surface on different friction coefficients and surface texture depths, and selecting a preset napping brush and a combination thereof; and the cement paste adhered to the brush is cleaned in time. The specific data are shown in the following tables 1-2;

tables 1-2 mean texture depth and coefficient of friction measurements

Data obtained by the first construction operation test are recorded in detail, the determination of the optimal galling time and the selection of the type of the hairbrush are determined, repeated analysis tests are not needed in galling process treatment pavement construction of other road sections of the construction project, and galling process treatment is carried out by taking the first test as a standard.

In step S9, the method for maintaining a pavement includes the steps of,

s901, adopting a seal dip-test method, and detecting the road surface state by using a seal modeling detection device; the stamp modeling detector comprises a lifting handle c1, a stamp body c2 and a dial c3, wherein the lifting handle c1 is arranged above the stamp body c2, the dial c3 is arranged at the bottom of the stamp body c2, and an adhesion layer c4 is arranged on the dial c 3; the adhesive layer c4 is made of silica gel, the stamp body c2 is a 3cm cylindrical structure, and the adhesive layer c4 is equally divided into ten equal parts and adhered to the dial c 3.

And S902, analyzing the detection result of the seal modeling detection device, repeatedly carrying out multiple detection on the concrete pavement to determine the coverage time of the curing cloth, and when no obvious cement paste is printed or the contaminated area is less than 10%, determining the best time for covering the curing cloth to cover the pavement.