CN115627671A

CN115627671A - Method for paving road by using garden waste

Info

Publication number: CN115627671A
Application number: CN202211155854.8A
Authority: CN
Inventors: 王召明; 王建平; 高小权; 李建平; 张国栋; 武政江; 高文帅
Original assignee: Mengcao Ecological Environment Group Co Ltd
Current assignee: Mengcao Ecological Environment Group Co Ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-01-20

Abstract

A method for paving a road by using garden waste comprises the following steps: step 1, soil preparation: marking a road area to be paved according to the planned size, carrying out roadbed layered filling and digging, layered rolling and tamping; step 2, construction of the road tooth supporting device: constructing a road tooth supporting device on two sides of a road to be paved; and step 3: paving a crushed stone layer: paving the crushed stones with the grain diameter of 2-4cm on the roadbed in layers and then rolling; step 4, paving a pavement layer: paving a pavement layer on the gravel layer, wherein the pavement layer is a mixture of sawdust, gravel and a curing agent, and the thickness of the pavement layer is 5-7cm; the invention adopts the mixture of the wood chips, the broken stones and the curing agent to pave a pavement structure, adopts two proportioning schemes, is suitable for 1-2t and 0.5t-1t sightseeing vehicles to walk, recycles wastes and reduces the cost.

Description

Method for paving road by using garden waste

Technical Field

The invention relates to the technical field of garden roads, in particular to a method for paving a road by using garden wastes.

Background

Gardens road is the constitutional part in gardens, plays the effect of organizing the space, guide sightseeing, traffic connection and providing the place of rest of walking, and it is like the venation, unites into whole each scenic spot in gardens, and simultaneously, gardens road itself also is the constitutional part of gardens scenery, and the curve that meanders and undulates, abundant moral, exquisite pattern all gives other people the enjoyment of beauty.

The existing garden roads are mostly formed by laying large blocks of marble and stone slabs or cement concrete or asphalt concrete. However, cement is usually used for filling between the marble and the stone slab, and the water permeability of the marble is poor, so that the traditional garden road surface of the marble or the stone slab is easy to generate more water accumulation on the road surface in rainy days, thereby bringing inconvenience to walking of pedestrians, and the cement concrete or asphalt concrete road surface is not only complicated in construction but also high in cost.

Disclosure of Invention

In order to solve the technical problems, the inventor provides a method for paving a road by using garden waste, which comprises the following steps:

a method for paving a road by using garden waste comprises the following steps:

step 1, soil preparation: marking a road area to be paved according to the planned size, and carrying out roadbed layered filling and digging, layered rolling and tamping;

step 2, construction of the road tooth support device: constructing a road tooth supporting device on two sides of a road to be paved;

and 3, step 3: paving a gravel layer: paving the crushed stones with the grain diameter of 2-4cm on the roadbed in layers and then rolling;

step 4, paving a pavement layer: paving a pavement layer on the gravel layer, wherein the pavement layer is a mixture of sawdust, gravel and a curing agent;

further, the volume ratio of the wood chips, the broken stones and the curing agent is 35-45:40-50:10-20, the pavement paved according to the proportion has strong hardness, and is suitable for 1-2t sightseeing vehicles to walk.

Further, the volume ratio of the wood chips, the broken stones and the curing agent is 345-55:25-35:15-25, the pavement paved according to the proportion has strong water permeability, and is suitable for 0.5t-1t sightseeing vehicles to walk.

Further, the curing agent is instant sodium silicate.

Furthermore, the thickness of the crushed stone layer is 2-5cm, and the crushed stone layer forms a gradient of 1-3 per mill from the road center to two sides.

Further, the thickness of the pavement layer is 5-7cm.

Furthermore, the pavement layer is formed with a gradient of 1-3 per mill from the center of the pavement to two sides.

Further, the rolling mode is compaction from the road to the roadside.

The road tooth supporting device comprises a measuring fixing piece, a road tooth steel plate and a fixing rod, wherein the measuring fixing piece comprises a measuring main cylinder, measuring auxiliary cylinders are movably sleeved at two ends of the measuring main cylinder, a micro measuring rod is movably sleeved at one end, away from the measuring main cylinder, of each measuring auxiliary cylinder, a clamp is connected at one end, away from the measuring auxiliary cylinder, of each micro measuring rod, and a fixing clamp is connected to each clamp; the two ends of the lower part of the measuring main cylinder are fixedly connected with connecting pieces, the connecting pieces are rotatably connected with connecting rods, the other ends of the connecting rods are in threaded connection with sleeves, the other ends of the sleeves are in threaded connection with leg nails, and a plurality of first limiting holes are symmetrically arranged at the two ends of the measuring main cylinder in a penetrating manner; a pressure plate is arranged on the leg nail, a second limiting hole penetrates through one end of the auxiliary measuring cylinder, which is close to the main measuring cylinder, buckles are sleeved in the second limiting holes, and a spring is connected between the two buckles; and an inner cavity at the other end of the auxiliary measuring cylinder is provided with an internal thread.

Furthermore, the micro measuring rod is in a straight notch shape, an external thread is arranged on the arc-shaped wall of the micro measuring rod, and a ruler scale mark is arranged on the plane wall of the micro measuring rod; the external thread is matched with the internal thread, and a rotating handle is arranged on the clamping device; the measuring device is characterized in that a ball rod is fixedly connected to the fixing clamp, a ball head is fixedly connected to the other end of the ball rod, the ball head is rotatably connected with the clamping device, a leveling bubble is arranged on the measuring main cylinder, and a plurality of fixing sleeves are fixedly connected to the curbstone steel plate.

Furthermore, the inner diameter of the fixed sleeve is matched with the outer diameter of the fixed rod, the fixed clamp is further connected with an angle device, the angle device is buckled with the main shell, a pointer is rotatably connected in the main shell, and a balancing weight is arranged at the tail end of the pointer; an angle scale is further arranged in the main shell.

The concrete construction process of the pavement is as follows:

(1) After the road width is determined, the auxiliary measuring cylinders on the two sides of the main measuring cylinder are adjusted to the length of the measuring fixing piece to be close to the preset road width by pressing the buckles, the buckles are allowed to jump out to fix the auxiliary measuring cylinders at the corresponding close limiting holes, and then the micro measuring rods on the two sides are rotated outwards until the length of the measuring fixing piece is equal to the preset road width.

(2) Fixing the adjusted measuring fixing piece on a pre-paved roadbed through leg nails until the leg nails are inserted into the roadbed and the roadbed is contacted with a pressure plate, then rotating sleeves at two sides left and right through a wrench, and observing that bubbles in the level bubble are positioned at the center; then, after the two curb steel plates are sleeved into the fixing clamp, the fixing clamp is adjusted, after a pointer of an observation angle gauge points to the center of the angle scale, the rotating handle is rotated to fix the ball head in the clamping device, and then the fixing rod penetrates through the fixing sleeve close to the measuring fixing piece through a hammer and then is hammered into the roadbed until the fixing rod is stable; in this way, fixed rods are hammered into a plurality of fixed sleeves, the road tooth steel plates can be manually swung when the radian exists in the fixing process, the road tooth steel plates are fixed on a roadbed, and then the pavement is paved.

The curbstone is characterized in that the curbstone steel plate is a thin steel plate, so that manual bending is facilitated; the length of the main measuring cylinder, the auxiliary measuring cylinder and the micro measuring rod and the distance between the first limiting holes can be customized according to garden types, and any matching can be carried out by a person skilled in the art according to the needs or convenience of the person.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention adopts a mixture of wood chips, broken stones and curing agent to lay a pavement structure, and adopts two proportioning schemes, when the volume ratio of the wood chips, the broken stones and the curing agent is 35-45:40-50: when the volume ratio of the wood chips, the broken stones and the curing agent is 45-55:25-35:15-25 hours, the paved road surface has strong water permeability, is suitable for 0.5t-1t sightseeing vehicles to walk, and simultaneously recycles the waste of the wood chips and the gravels, thereby reducing the cost.

2. The invention paves the gravel layer with particle size of 2-4cm on the road bed and forms 1-3 per mill gradient from road center to both sides on the gravel layer and road surface layer, the gravel layer has better water permeability, can discharge rainwater through the gradient, make rainwater reuse, it is rapid to discharge water in rainy day, has greatly lengthened the service life of the garden road, reduce its maintenance cost.

3. The invention adopts the instant sodium silicate to mix with the wood chips and the broken stones, and the instant sodium silicate can effectively bond the wood chips and the broken stones, so that the pavement is firm and wear-resistant.

4. The road tooth supporting device is used for supporting, the road tooth supporting device can quickly adjust the length of the measuring fixing piece through the measuring main cylinder, the measuring auxiliary cylinder and the micro measuring rod, and then the road tooth supporting device can be used repeatedly in the same road without readjustment.

5. The road tooth supporting device provided by the invention is used in a matching way through the level bubble, the connecting rod, the sleeve and the leg nail, and the horizontal planes of the road tooth steel plates on two sides of the road can be adjusted, so that the paved road is smooth, the vehicle can smoothly walk, and the comfort level of personnel is high.

Drawings

Fig. 1 is a schematic view of the overall structure of the road tooth support device of the present invention;

FIG. 2 is a schematic view of a part of the road tooth supporting device of the present invention;

FIG. 3 is a cross-sectional view of a measuring sub-cylinder of the road tooth supporting device of the present invention;

FIG. 4 is a schematic view of the combination structure of the micro measuring rod and the clamper of the road tooth supporting device of the present invention;

FIG. 5 is a schematic view of a combination structure of a connecting rod, a sleeve and a leg nail of the road tooth supporting device of the present invention;

fig. 6 is a schematic structural view of a fixing clip of the road tooth support device of the present invention;

fig. 7 is a schematic structural view of an angle gauge of the road tooth support device of the present invention;

FIG. 8 is a view showing the state of the pavement of comparative example 1 of the present invention after one year of use;

FIG. 9 is a view showing the state of the pavement of comparative example 4 of the present invention after one year of use.

Detailed Description

In order to better illustrate the present invention and facilitate the understanding of the technical solutions of the present invention, the present invention is further described in detail below, but the following examples are only simple examples of the present invention and do not represent or limit the scope of the present invention, which is defined by the claims.

Example 1

A method for paving a road by using garden waste comprises the following steps:

step 1, soil preparation: marking a road area to be paved according to the planned size, carrying out roadbed layered filling and digging, layered rolling and tamping;

and step 3: paving a crushed stone layer: paving crushed stones with the grain diameter of 2cm on the roadbed in a layered mode and then carrying out rolling compaction;

and the volume ratio of the wood chips, the broken stones and the curing agent is 35:40:10.

and the curing agent is instant sodium silicate.

And the thickness of rubble layer is 2cm, rubble layer forms 1% of slope to both sides from the road center.

And, the thickness of pavement layer is 5cm.

And the pavement layer forms a gradient of 1 per mill from the center of the pavement to two sides.

Furthermore, the rolling is compaction from the road to the roadside.

The road tooth supporting device comprises a measuring fixing piece, a road tooth steel plate 1 and a fixing rod 2, the measuring fixing piece comprises a measuring main cylinder 3, measuring auxiliary cylinders 4 are movably sleeved at two ends of the measuring main cylinder 3, a micro measuring rod 5 is movably sleeved at one end, far away from the measuring main cylinder 3, of each measuring auxiliary cylinder 4, a clamp 6 is connected at one end, far away from the measuring auxiliary cylinder 4, of each micro measuring rod 5, and a fixing clamp 7 is connected to each clamp 6; the lower two ends of the measuring main cylinder 3 are fixedly connected with connecting pieces 8, the connecting pieces 8 are rotatably connected with connecting rods 9, the other ends of the connecting rods 9 are in threaded connection with sleeves 10, the other ends of the sleeves 10 are in threaded connection with leg nails 11, and a plurality of first limiting holes 13 symmetrically penetrate through the two ends of the measuring main cylinder 3; a pressure plate 25 is arranged on the leg nail 11, a second limiting hole 14 penetrates through one end of the auxiliary measuring cylinder 4 close to the main measuring cylinder 3, buckles 15 are sleeved in the second limiting holes 14, and a spring 16 is connected between the two buckles 15; and an inner cavity at the other end of the auxiliary measuring cylinder 4 is provided with an internal thread.

Moreover, the micro measuring rod 5 is in a straight notch shape, the arc-shaped wall of the micro measuring rod 5 is provided with an external thread, and the plane wall is provided with a ruler scale 17; the external thread is matched with the internal thread, and a rotating handle 18 is arranged on the clamping device 6; the measuring device is characterized in that a ball rod is fixedly connected to the fixing clamp 7, a ball head 19 is fixedly connected to the other end of the ball rod, the ball head 1 is rotatably connected with the clamping device 6, the measuring main cylinder 3 is provided with a level bubble 12, and the curbstone steel plate 1 is fixedly connected with a plurality of fixing sleeves 20.

Moreover, the inner diameter of the fixed sleeve 20 is matched with the outer diameter of the fixed rod 2, the fixed clamp 7 is also connected with an angle device 21, the angle device 21 is buckled with a main shell 22, a pointer 23 is rotatably connected with the main shell 22, and the tail end of the pointer 23 is provided with a balancing weight; an angular scale 24 is also provided within the main housing 22.

The concrete construction process of the pavement is as follows:

(1) After the road width is determined, the auxiliary measuring cylinders on the two sides of the main measuring cylinder are adjusted to the length of the measuring fixing piece to be close to the preset road width by pressing the buckles, the buckles are allowed to jump out to fix the auxiliary measuring cylinders at the corresponding close limiting holes, and then the micro measuring rods on the two sides are rotated outwards to the length of the measuring fixing piece to be equal to the preset road width.

(2) Fixing the adjusted measuring fixing piece on a pre-paved roadbed through leg nails until the leg nails are inserted into the roadbed and the roadbed is contacted with a pressure plate, then rotating sleeves at two sides left and right through a wrench, and observing that bubbles in the level bubble are positioned at the center; then, after the two curb steel plates are sleeved into the fixing clamp, the fixing clamp is adjusted, after a pointer of an observation angle gauge points to the center of the angle scale, the rotating handle is rotated to fix the ball head in the clamping device, and then the fixing rod penetrates through the fixing sleeve close to the measuring fixing piece through a hammer and then is hammered into the roadbed until the fixing rod is stable; the fixing rods are hammered into the fixing sleeves by analogy, the road tooth steel plates can be manually swung when radians exist in the fixing process, the fixing is carried out on the roadbed, and then the pavement is laid.

The curbstone steel plate is a thin steel plate, and manual bending is facilitated; the length of the main measuring cylinder, the auxiliary measuring cylinder and the micro measuring rod and the distance between the first limiting holes can be customized according to garden types, and any matching can be carried out by a person skilled in the art according to the needs or convenience of the person.

The details are shown in Table 1.

Example 2

A method for paving a road by using garden waste comprises the following steps:

step 2, construction of the road tooth erecting device: constructing a road tooth supporting device on two sides of a road to be paved;

and step 3: paving a crushed stone layer: paving crushed stones with the grain size of 4cm on the roadbed in a layered mode and then carrying out rolling compaction;

and the volume ratio of the wood chips, the broken stones and the curing agent is 40:45:15.

and the curing agent is instant sodium silicate.

And the thickness of rubble layer is 5cm, rubble layer forms 3 thousandths of the slope to both sides from the way center.

And the thickness of the pavement layer is 7cm.

And the pavement layer forms 3 per mill of gradient from the center of the road to two sides.

Furthermore, the rolling mode is compaction from the road to the roadside.

Moreover, the inner diameter of the fixed sleeve 20 is matched with the outer diameter of the fixed rod 2, the fixed clamp 7 is also connected with an angle device 21, the angle device 21 is buckled with a main shell 22, a pointer 23 is rotatably connected with the main shell 22, and the tail end of the pointer 23 is provided with a balancing weight; an angle scale 24 is also provided in the main housing 22.

The construction process of the road tooth is the same as that of example 1, and the specific conditions are shown in Table 1.

Example 3

A method for paving a road by using garden wastes comprises the following steps:

and step 3: paving a gravel layer: paving the crushed stones with the grain diameter of 3cm on the roadbed in a layering way and then carrying out rolling compaction;

and the volume ratio of the wood chips, the broken stones and the curing agent is 50:30:20.

and the curing agent is instant sodium silicate.

And, the thickness of rubble layer is 3cm, 2 permillage's slope is formed to both sides from the road center to the rubble layer.

And, the thickness of pavement layer is 6cm.

And the pavement layer forms a gradient of 2 per mill from the center of the pavement to two sides.

Furthermore, the rolling is compaction from the road to the roadside.

The road tooth supporting device comprises a measuring fixing piece, a road tooth steel plate 1 and a fixing rod 2, the measuring fixing piece comprises a measuring main cylinder 3, measuring auxiliary cylinders 4 are movably sleeved at two ends of the measuring main cylinder 3, a micro measuring rod 5 is movably sleeved at one end, away from the measuring main cylinder 3, of each measuring auxiliary cylinder 4, one end, away from the measuring auxiliary cylinder 4, of each micro measuring rod 5 is connected with a clamp 6, and a fixing clamp 7 is connected to each clamp 6; the lower two ends of the measuring main cylinder 3 are fixedly connected with connecting pieces 8, the connecting pieces 8 are rotatably connected with connecting rods 9, the other ends of the connecting rods 9 are in threaded connection with sleeves 10, the other ends of the sleeves 10 are in threaded connection with leg nails 11, and a plurality of first limiting holes 13 symmetrically penetrate through the two ends of the measuring main cylinder 3; a pressure plate 25 is arranged on the leg nail 11, a second limiting hole 14 penetrates through one end of the auxiliary measuring cylinder 4 close to the main measuring cylinder 3, buckles 15 are sleeved in the second limiting holes 14, and a spring 16 is connected between the two buckles 15; and an inner cavity at the other end of the auxiliary measuring cylinder 4 is provided with an internal thread.

Comparative example 1

A30 m experimental road section 1 is paved at the starting end of the road paved in the embodiment 1, and the volume ratio of the wood chips, the broken stones and the curing agent of the road surface of the actual road section 1 is adjusted to 30:35: except for 5, the other parts are the same as the technical scheme of the embodiment 1, and the specific conditions are shown in Table 1.

Comparative example 2

And (2) paving a 30m experimental road section 2 after the experimental road section 1 paved in the comparative example 1, wherein the volume ratio of the wood chips, the broken stones and the curing agent of the road surface of the actual road section 2 is adjusted to 45:55: except 25, the other steps are the same as the technical scheme of the embodiment 1, and the specific conditions are shown in Table 1.

Comparative example 3

A 30m experimental road section 3 is paved at the starting end of the road paved in the embodiment 3, and the volume ratio of the wood chips, the broken stones and the curing agent of the road surface of the actual road section 3 is adjusted to 40:20: except 10, the other parts are the same as the technical scheme of the embodiment 3, and the specific conditions are shown in table 1.

Comparative example 4

And laying an experimental road section 4 of 30m behind the experimental road section 3 laid in the comparative example 3, wherein the volume ratio of the wood chips, the broken stones and the curing agent of the road surface of the actual road section 4 is adjusted to 60:40: except 30, the other steps are the same as the technical scheme of the embodiment 3, and the specific conditions are shown in the table 1.

TABLE 1 Garden road use case

Serial number	The mixture ratio of wood dust, broken stone and curing agent	Supporting the weight of the sightseeing vehicle	Road surface condition after one year of use
				Example 1	35：40：10	1t-2t	Is not cracked
Example 2	40：45：15	1t-2t	Is not cracked
				Examples3	50：30：20	0.5t-1t	Not cracking
Experimental road section 1	30：35：5	1t-2t	Severe cracking
				Experimental section 2	45：55：25	1t-2t	Severe cracking
Experimental section 3	40：20：10	0.5t-1t	Severe cracking
				Experimental section 4	60：40：30	0.5t-1t	Severe cracking

As can be seen from Table 1, the volume ratio of the wood chips, the broken stones and the curing agent used in the invention is 35-40:40-50:10-20 and 45-55:25-35:15-25, after the sightseeing vehicle respectively bearing 1t-2t and 0.5t-1t is used for one year, the road is still intact, but the experimental road section arranged at the end part of the sightseeing vehicle is seriously cracked, which shows that the road paved by adopting the proportion of the invention is firm and durable, not only the waste utilization is carried out, the cost is reduced, but also the normal use of the road is not influenced, and the invention firstly proposes that the sawdust, the gravel and the curing agent are used for paving the road surface of the park road, and the application prospect is wide.

Claims

1. A method for paving a road by using garden wastes is characterized by comprising the following steps:

step 1, soil preparation: marking a road area to be paved according to the planned size, carrying out roadbed layered filling and digging, and rolling from the road to the roadside in layers, and then tamping;

step 3, paving a gravel layer: paving broken stones with the particle size of 2-4cm on the roadbed in a layered mode and then carrying out rolling compaction;

step 4, paving a pavement layer: paving a pavement layer on the gravel layer, wherein the pavement layer is a mixture of sawdust, gravel and a curing agent, and the thickness of the pavement layer is 5-7cm; the pavement layer is formed with a gradient of 1-3 per mill from the center of the pavement to two sides.

2. The method for paving a road by using the garden waste, as claimed in claim 1, wherein the volume ratio of the wood chips, the broken stones and the curing agent is 35-45:40-50:10-20.

3. The method for paving a road by using garden waste as claimed in claim 1, wherein the volume ratio of the wood chips, the broken stones and the curing agent is 45-55:25-35:15-25.

4. A method for paving a road by using garden waste according to any one of claims 2 or 3, wherein the curing agent is instant sodium silicate.

5. The method as claimed in claim 1, wherein the thickness of the crushed stone layer is 2-5cm, and the crushed stone layer forms a slope of 1-3% from the center of the road to both sides.

6. The method for paving the road by using the garden waste is characterized in that the road tooth supporting device comprises a measuring fixing piece, a road tooth steel plate (1) and a fixing rod (2), the measuring fixing piece comprises a measuring main cylinder (3), measuring auxiliary cylinders (4) are movably sleeved at two ends of the measuring main cylinder (3), a micrometer rod (5) is movably sleeved at one end, far away from the measuring main cylinder (3), of each measuring auxiliary cylinder (4), one end, far away from the measuring auxiliary cylinder (4), of each micrometer rod (5) is connected with a clamp (6), and a fixing clamp (7) is connected onto each clamp (6); the lower two ends of the measuring main cylinder (3) are fixedly connected with connecting pieces (8), the connecting pieces (8) are rotatably connected with connecting rods (9), the other ends of the connecting rods (9) are in threaded connection with sleeves (10), the other ends of the sleeves (10) are in threaded connection with leg nails (11), and a plurality of first limiting holes (13) symmetrically penetrate through the two ends of the measuring main cylinder (3); a pressure plate (25) is arranged on the leg nail (11), a second limiting hole (14) penetrates through one end, close to the main measuring cylinder (3), of the auxiliary measuring cylinder (4), buckles (15) are sleeved in the second limiting holes (14), and a spring (16) is connected between the two buckles (15); and an inner cavity at the other end of the measuring auxiliary cylinder (4) is provided with an internal thread.

7. The method for paving a road by using garden waste is characterized in that the micrometer bar (5) is in a straight notch shape, the arc-shaped wall of the micrometer bar (5) is provided with external threads, and the plane wall of the micrometer bar is provided with scale marks (17); the external thread is matched with the internal thread, and a rotating handle (18) is arranged on the clamping device (6); the measuring device is characterized in that a ball rod is fixedly connected to the fixing clamp (7), a ball head (19) is fixedly connected to the other end of the ball rod, the ball head (19) is rotatably connected with the clamping device (6), a leveling bubble (12) is arranged on the measuring main cylinder (3), and a plurality of fixing sleeves (20) are fixedly connected to the curbstone steel plate (1).

8. The method for paving a road by using garden waste, as claimed in claim 7, wherein the inner diameter of said fixing sleeve (20) is adapted to the outer diameter of the fixing rod (2), said fixing clip (7) is further connected with an angle device (21), said angle device (21) covers and buckles the main housing (22), said main housing (22) is rotatably connected with a pointer (23), the end of said pointer (23) is provided with a weight block; an angle scale (24) is also arranged in the main shell (22).

9. The method for paving the road by using the garden waste as claimed in claim 8, wherein the concrete construction method of the road surface is as follows:

s1, after the road width is determined, firstly, moving the auxiliary measuring cylinders (4) at two sides of the main measuring cylinder (3) to the extent that the length of the measuring fixing piece is close to the preset road width by pressing the buckles (15), then, jumping out the buckles (15) at the correspondingly close limiting holes I (13) to fix the auxiliary measuring cylinders (4), and then, outwards rotating the micro measuring rods (5) at two sides until the length of the measuring fixing piece is equal to the preset road width;

s2, fixing the adjusted measuring fixing piece on a pre-paved roadbed through leg nails (11), wherein the leg nails (11) are inserted into the roadbed until the roadbed is contacted with a pressure plate (25), then rotating sleeves (10) at two sides left and right through a wrench, and observing that air bubbles in the leveling bubble (12) are positioned at the center; then, after the two curbstone steel plates (1) are sleeved into the fixing clamp (7), the fixing clamp (7) is adjusted, after a pointer (23) of an observation angle device (21) points to an angle marking center, a rotating handle (18) is rotated to fix a ball head (19) in the clamping device (6), and then a fixing rod (2) penetrates through a fixing sleeve (20) close to the measuring fixing piece through a hammer and is hammered into a roadbed until the fixing rod is stable; by analogy, the fixing rods (2) are hammered into the fixing sleeves (20), the road tooth steel plates (1) can be manually swung when the radian exists in the fixing process, the fixing is carried out on the roadbed, and then the pavement is laid.