CN112030653A - Cement stabilized macadam construction process - Google Patents
Cement stabilized macadam construction process Download PDFInfo
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- CN112030653A CN112030653A CN202010667497.8A CN202010667497A CN112030653A CN 112030653 A CN112030653 A CN 112030653A CN 202010667497 A CN202010667497 A CN 202010667497A CN 112030653 A CN112030653 A CN 112030653A
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- cement
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- stabilized macadam
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- steel
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
- E01C7/265—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with rubber or synthetic resin, e.g. with rubber aggregate, with synthetic resin binder
Abstract
The invention discloses a cement stabilized macadam construction process, which comprises the following steps: firstly, cleaning a base floor; secondly, paving a plurality of groups of first steel templates and a plurality of groups of second steel templates on the ground of the base layer; step three, paving a first cement-stabilized gravel layer and a second cement-stabilized gravel layer: filling the cement-stabilized macadam mixture into each group of first steel templates to form a first cement-stabilized macadam layer, and simultaneously filling the cement-stabilized macadam mixture into each group of second steel templates to form a second cement-stabilized macadam layer; step four, laying a third cement stabilized gravel layer: paving the cement-stabilized macadam mixture on a third cement-stabilized macadam layer on the base layer ground; and step five, maintaining. According to the invention, the first cement-stabilized gravel layer and the second cement-stabilized gravel layer which are arranged in a crossed manner can effectively support the third cement-stabilized gravel layer, so that the extension of cracks on the third cement-stabilized gravel layer to the periphery is reduced, and the service life of a road is prolonged.
Description
Technical Field
The invention relates to the technical field of cement stabilized macadam construction. More specifically, the invention relates to a cement stabilized macadam construction process.
Background
With the continuous improvement of the transportation level in China and the continuous increase of heavy-duty vehicles, road engineering must have certain strength and higher bearing capacity, at present, cement stabilized macadam is favored as a semi-rigid base material, the cement stabilized macadam takes graded macadam as aggregate, a certain amount of cementing material and enough mortar volume are adopted to fill the pores of the aggregate, and the cement stabilized macadam is paved and compacted according to the embedding and squeezing principle. The compactness of the concrete is close to the compactness, the strength mainly depends on the embedding and extruding principle among the gravels, and simultaneously, the concrete has enough mortar volume to fill the pores of the aggregate, but the cement stabilized macadam base layer part of the road has cracks in the using process, and the area of the cracks is gradually increased along with the prolonging of the time, so that the using performance of the road is influenced.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
Still another object of the present invention is to provide a cement stabilized macadam construction process, which can effectively support a third cement stabilized macadam layer through a first cement stabilized macadam layer and a second cement stabilized macadam layer which are arranged in a crossing manner, so as to reduce the extension of cracks on the third cement stabilized macadam layer to the periphery and prolong the service life of a road.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a cement stabilized macadam construction process including the steps of:
step one, cleaning the ground of a base layer: firstly removing impurities, floating soil and local loose gravels on the bottom surface of the base layer, then sprinkling water on the ground of the base layer for wetting and standing for 1.5 h;
step two, mounting a supporting assembly: firstly, paving a plurality of groups of first steel templates on the ground of a base layer, wherein the plurality of groups of first steel templates are installed at intervals along the width direction of the ground of the base layer, each group of first steel templates extends along the length direction of the ground of the base layer, each group of first steel templates comprises two parallel first steel plates, then installing a plurality of groups of second steel templates on the ground of the base layer, each group of second steel templates is vertically detachably connected with the first steel plates, and each group of second steel templates comprises two parallel second steel plates;
step three, paving a first cement-stabilized gravel layer and a second cement-stabilized gravel layer: filling the cement-stabilized macadam mixture into each group of first steel templates and paving the first steel templates to form a first cement-stabilized macadam layer, filling the cement-stabilized macadam mixture into each group of second steel templates and paving the second steel templates to form a second cement-stabilized macadam layer, and removing the first steel templates and the second steel templates after the cement-stabilized macadam mixture is solidified;
step four, laying a third cement stabilized gravel layer: paving the cement-stabilized macadam mixture on the base layer ground and paving and rolling the mixture to form a third cement-stabilized macadam layer, wherein the third cement-stabilized macadam layer covers the first cement-stabilized macadam layer and the second cement-stabilized macadam layer;
step five, maintenance: and spraying water on the third cement stable gravel layer for curing.
Preferably, the first cement stabilized macadam layer is higher than the second cement stabilized macadam layer.
Preferably, first bonding layer has all been laid on the first cement stabilization gravel layer the second cement stabilization gravel layer, first bonding layer upper berth is equipped with the buffer layer, the buffer layer upper berth is equipped with the second bonding layer, wherein, first bonding layer, second bonding layer are emulsified asphalt, the buffer layer is the mixture of rubble and rubber granule.
Preferably, the first cement-stabilized gravel layer and the second cement-stabilized gravel layer are integrally formed;
in each group of first steel templates, the lower ends of the first steel plates are upwards sunken at intervals to form a plurality of n-shaped notches, the notches on the two first steel plates are arranged in a one-to-one correspondence manner, the top surfaces of the first steel plates above the notches are downwards sunken to form a sliding cavity, the lower end of the sliding cavity is slightly higher than the lower end of the notches, a sealing plate capable of sliding up and down is arranged in the sliding cavity to seal a part of the notches, the sealing plate comprises a rectangular part and two vertical parts arranged at the lower end of the rectangular part at intervals, the rectangular part and the vertical parts are integrally formed, when the sealing plate is positioned in the sliding cavity, the upper end of the rectangular part is lower than the upper end of the sliding cavity, the lower ends of the vertical parts are abutted against the lower end of the sliding cavity, and the vertical parts are flush with the side walls of the notches;
every group in the second steel form, the tip of second steel sheet all has set firmly the mounting panel, be equipped with first screw hole on the mounting panel, it is equipped with the second screw hole to correspond on the first steel sheet, first screw hole, second screw hole pass through the nut and connect, wherein, when first steel sheet is connected with the second steel sheet, the second steel sheet flushes rather than the lateral wall of the breach that corresponds.
Preferably, the top of the sliding cavity is provided with an openable cover, and when the cover is closed, the cover is flush with the upper end of the first steel plate;
the upper end of the rectangular part is provided with a first mounting seat, and the inner surface of the cover body is provided with a second mounting seat;
the support rod is characterized by further comprising a support rod, wherein two ends of the support rod are respectively connected with the first mounting seat and the second mounting seat in a rotating mode through bolts.
Preferably, the number of the closing plates is multiple, and the lengths of the vertical parts in any two closing plates are different.
The invention at least comprises the following beneficial effects:
according to the invention, the first cement-stabilized gravel layer and the second cement-stabilized gravel layer which are arranged in a crossed manner can effectively support the third cement-stabilized gravel layer, so that the extension of cracks on the third cement-stabilized gravel layer to the periphery is reduced, and the service life of a road is prolonged.
Secondly, a plurality of groups of first steel templates and a plurality of groups of second steel templates are arranged to finish the laying of a first cement stable gravel layer, a second cement stable gravel layer and a third cement stable gravel layer; the metalling is stabilized to first cement right the metalling is stabilized to second cement the metalling plays the supporting role, can effectively avoid third cement to stabilize the metalling large tracts of land and sink on the one hand, reduces the maintenance degree of difficulty of road, and on the other hand reduces the crack and extends to circumference, can also avoid first cement to stabilize the phenomenon that relative movement appears between metalling, the third cement stabilization metalling is stabilized to metalling, second simultaneously, prolongs the live time of road.
The third, set up rubble layer is stabilized to first cement is higher than the rubble layer is stabilized to second cement can make the bottom surface on rubble layer is stabilized to third cement has certain height gradient, and not only reducible crack outwards extends, can effectively improve the stability on rubble layer is stabilized to third cement moreover.
The fourth, can stabilize the metalling to third cement and play the cushioning effect through setting up first bonding layer, second bonding layer, buffer layer, improve the stability that the metalling was stabilized to first cement, the metalling is stabilized to second cement, the metalling is stabilized to third cement.
Fifthly, the first cement-stabilized gravel layer and the second cement-stabilized gravel layer can be integrally formed by arranging the closing plate, and a certain height difference can be formed between the first cement-stabilized gravel layer and the second cement-stabilized gravel layer; set up the rectangle portion and be used for sealing the breach sets up vertical portion and is used for sealing the sliding cavity is located the part of rectangle portion lower part avoids cement stabilized macadam mixture to get into the sliding cavity and influence next use, reduces the clearance the work load of first steel sheet.
Sixthly, pass through the bolt connection with first mount pad earlier a bracing piece tip, promote through the bracing piece rectangle portion downwardly moving extremely vertical portion with smooth chamber lower extreme butt, then will another tip of bracing piece with the second mount pad is connected, covers the lid, and after the end, open the lid, will the bracing piece with the separation of second mount pad, drive through the pulling bracing piece the closing plate by shift out in the smooth chamber, realize through setting up bracing piece, first mount pad, second mount pad will the closing plate immigration smooth intracavity or by smooth intracavity shifts out, this kind of setting can be solved smooth chamber narrow is not convenient for remove for a short time the problem of closing plate.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a third cement stabilized gravel layer according to one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second cement stabilized gravel layer according to one embodiment of the present invention;
fig. 3 is a schematic structural diagram of the first steel form according to one embodiment of the present invention;
fig. 4 is a schematic structural diagram of the first steel form according to one embodiment of the present invention;
FIG. 5 is an enlarged view of A in FIG. 4;
fig. 6 is a schematic structural diagram of the closing plate according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
As shown in fig. 1 to 6, the present invention provides a cement stabilized macadam construction process, comprising the steps of:
step one, cleaning the ground of a base layer: firstly removing impurities, floating soil and local loose gravels on the bottom surface of the base layer, then sprinkling water on the ground of the base layer for wetting and standing for 1.5 h;
step two, mounting a supporting assembly: firstly, paving a plurality of groups of first steel templates on the ground of a base layer, wherein the plurality of groups of first steel templates are installed at intervals along the width direction of the ground of the base layer, each group of first steel templates extends along the length direction of the ground of the base layer, each group of first steel templates comprises two parallel first steel plates 7, then installing a plurality of groups of second steel templates on the ground of the base layer, each group of second steel templates is vertically detachably connected with the first steel plates 7, and each group of second steel templates comprises two parallel second steel plates 8;
step three, paving a first cement-stabilized gravel layer 1 and a second cement-stabilized gravel layer 2: filling the cement-stabilized macadam mixture into each group of first steel templates and paving the mixture to form a first cement-stabilized macadam layer 1, filling the cement-stabilized macadam mixture into each group of second steel templates and paving the mixture to form a second cement-stabilized macadam layer 2, and removing the first steel templates and the second steel templates after the cement-stabilized macadam mixture is solidified;
step four, laying a third cement stabilized rubble layer 3: paving the cement-stabilized macadam mixture on the base layer ground and paving and rolling the mixture to form a third cement-stabilized macadam layer 3, wherein the third cement-stabilized macadam layer 3 covers the first cement-stabilized macadam layer 1 and the second cement-stabilized macadam layer 2;
step five, maintenance: and (4) sprinkling water on the third cement-stabilized rubble layer 3 for curing.
In the technical scheme, the supporting assembly comprises a plurality of groups of first steel templates and a plurality of groups of second steel templates, the plurality of groups of first steel templates and the plurality of groups of second steel templates are arranged in a crossed and vertical mode, two first steel plates 7 in each group of first steel templates are perpendicular to the ground of a base layer and parallel to the two first steel plates 7, two second steel plates 8 in each group of second steel templates are perpendicular to the ground of the base layer and parallel to the two second steel plates 8, a cement-stabilized macadam mixture is filled between the two first steel plates 7 in each group of first steel templates to form a first cement-stabilized macadam layer 1, the cement-stabilized macadam mixture is filled between the two second steel plates 8 in each group of second steel templates to form a second cement-stabilized macadam layer 2, and the third cement-stabilized macadam layer 3 is higher than the first cement-stabilized macadam layer 1 and the second cement-stabilized macadam layer 2, and the first cement-stabilized macadam layer 1, The second cement stabilized macadam layer 2 is located within the third cement stabilized macadam layer 3.
By adopting the technical scheme, the first cement-stabilized gravel layer 1 and the second cement-stabilized gravel layer which are arranged in a crossed manner can effectively support the third cement-stabilized gravel layer 3, so that the extension of cracks on the third cement-stabilized gravel layer 3 to the periphery is reduced, and the service life of a road is prolonged; a plurality of groups of first steel templates and a plurality of groups of second steel templates are arranged to finish the laying of the first cement stable gravel layer 1, the second cement stable gravel layer 2 and the third cement stable gravel layer 3; rubble layer 1 is stabilized to first cement, second cement is stabilized rubble layer 2 is right rubble layer 3 is stabilized to third cement plays the supporting role, can effectively avoid 3 large tracts of land subsides of third cement stabilization rubble layer on the one hand, reduces the maintenance degree of difficulty of road, and on the other hand reduces the crack and extends to circumference, can also avoid simultaneously that relative movement's phenomenon appears between rubble layer 1, the second is stabilized to first cement, third cement stabilization rubble layer 3, prolongs the live time of road.
In another embodiment, the first cement stabilized macadam layer 1 is higher than the second cement stabilized macadam layer 2. Adopt this technical scheme, set up first cement stabilization gravel layer 1 is higher than second cement stabilization gravel layer 2 can make the bottom surface of third cement stabilization gravel layer 3 has certain height gradient, and not only reducible crack outwards extends, can effectively improve the stability of third cement stabilization gravel layer 3 moreover.
In another kind of technical scheme, first bonding layer 4 has all been laid on first cement stabilization gravel layer 1 the second cement stabilization gravel layer 2, first bonding layer 4 upper berth is equipped with buffer layer 5, buffer layer 5 upper berth is equipped with second bonding layer 6, wherein, first bonding layer 4, second bonding layer 6 are emulsified asphalt, buffer layer 5 is the mixture of rubble and rubber granule. Adopt this technical scheme, can stabilize rubble layer 3 to third cement and play the cushioning effect through setting up first bonding layer 4, second bonding layer 6, buffer layer 5, improve the stability that rubble layer 1, second cement stabilized rubble layer 2, third cement stabilized rubble layer 3 are stabilized to first cement.
In another technical scheme, the first cement-stabilized gravel layer 1 and the second cement-stabilized gravel layer 2 are integrally formed;
in each group of the first steel templates, the lower ends of the first steel plates 7 are upwards recessed at intervals to form a plurality of n-shaped notches 10, the notches 10 on the two first steel plates 7 are arranged in a one-to-one correspondence manner, the top surfaces of the first steel plates 7 above the notches 10 are downwards recessed to form sliding cavities 11, the lower end of the sliding cavity 11 is slightly higher than the lower end of the gap 10, a sealing plate capable of sliding up and down is arranged in the sliding cavity 11 to seal a part of the gap 10, the closing plate comprises a rectangular part 12 and two vertical parts 13 arranged at the lower end of the rectangular part 12 at intervals, the rectangular part 12 and the vertical parts 13 are integrally formed, when the closing plate is located in the sliding chamber 11, the upper end of the rectangular portion 12 is lower than the upper end of the sliding chamber 11, the lower end of the vertical part 13 is abutted with the lower end of the sliding cavity 11, and the vertical part 13 is flush with the side wall of the gap 10;
every group in the second steel form, the tip of second steel sheet 8 has all set firmly the mounting panel, be equipped with first screw hole on the mounting panel, it is equipped with the second screw hole to correspond on the first steel sheet 7, first screw hole, second screw hole pass through the nut and connect (realize first steel sheet 7 with the connection dismantled of second steel sheet 8), wherein, when first steel sheet 7 is connected with second steel sheet 8, second steel sheet 8 flushes rather than the lateral wall of the breach 10 that corresponds, in above-mentioned technical scheme, breach 10 with smooth chamber 11 intercommunication so that the closed plate passes smooth chamber 11 can seal a part of breach 10, rectangle portion 12 vertical portion 13 all with the lateral wall contact of smooth chamber 11. By adopting the technical scheme, the first cement-stabilized gravel layer 1 and the second cement-stabilized gravel layer 2 can be integrally formed by arranging the closed plate, and a certain height difference can be formed between the first cement-stabilized gravel layer 1 and the second cement-stabilized gravel layer 2; set up rectangle portion 12 and be used for sealing breach 10 sets up vertical portion 13 and is used for sealing sliding chamber 11 is located the part of rectangle portion 12 lower part avoids the mixture of cement stabilized macadam to get into in the sliding chamber 11 and influence next use, reduces the clearance first steel sheet 7's work load.
In another technical scheme, an openable cover body 9 is arranged at the top of the sliding cavity 11, and when the cover body 9 is closed, the cover body 9 is flush with the upper end of the first steel plate 7;
a first mounting seat 15 is arranged at the upper end of the rectangular part 12, and a second mounting seat 16 is arranged on the inner surface of the cover body 9;
the support rod 14 is further included, two ends of the support rod 14 are respectively connected with the first mounting seat 15 and the second mounting seat 16 through bolts in a rotating manner (a first positioning hole is arranged on the first mounting seat 15, a second positioning hole is arranged on the second mounting seat 16, and third positioning holes are respectively arranged on two ends of the support rod 14), when in installation, one end part of the supporting rod 14 is connected with the first installation seat 15 through a bolt, the rectangular part 12 is pushed by the support bar 14 to move downwards until the vertical part 13 abuts against the lower end of the slide chamber 11, then, the other end of the support bar 14 is connected to the second mounting base 16, and the cover 9 is closed, and after that, the cover body 9 is opened, the supporting rod 14 is separated from the second mounting seat 16, and the closing plate is driven to move out of the sliding cavity 11 by pulling the supporting rod 14. By adopting the technical scheme, the sealing plate can be moved into the sliding cavity 11 or moved out of the sliding cavity 11 by arranging the supporting rod 14, the first mounting seat 15 and the second mounting seat 16, and the problem that the sealing plate is not convenient to move due to the narrow sliding cavity 11 can be solved by the arrangement.
In another technical scheme, the number of the closing plates is multiple, and the lengths of the vertical parts 13 in any two closing plates are different. Adopt this technical scheme, can make first steel form, second steel form realize not the first cement of co-altitude gradient and stabilize rubble layer 1, the rubble layer 2 is stabilized to second cement.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present cement stabilized macadam construction process will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. The cement stabilized macadam construction process is characterized by comprising the following steps of:
step one, cleaning the ground of a base layer: firstly removing impurities, floating soil and local loose gravels on the bottom surface of the base layer, then sprinkling water on the ground of the base layer for wetting and standing for 1.5 h;
step two, mounting a supporting assembly: firstly, paving a plurality of groups of first steel templates on the ground of a base layer, wherein the plurality of groups of first steel templates are installed at intervals along the width direction of the ground of the base layer, each group of first steel templates extends along the length direction of the ground of the base layer, each group of first steel templates comprises two parallel first steel plates, then installing a plurality of groups of second steel templates on the ground of the base layer, each group of second steel templates is vertically detachably connected with the first steel plates, and each group of second steel templates comprises two parallel second steel plates;
step three, paving a first cement-stabilized gravel layer and a second cement-stabilized gravel layer: filling the cement-stabilized macadam mixture into each group of first steel templates and paving the first steel templates to form a first cement-stabilized macadam layer, filling the cement-stabilized macadam mixture into each group of second steel templates and paving the second steel templates to form a second cement-stabilized macadam layer, and removing the first steel templates and the second steel templates after the cement-stabilized macadam mixture is solidified;
step four, laying a third cement stabilized gravel layer: paving the cement-stabilized macadam mixture on the base layer ground and paving and rolling the mixture to form a third cement-stabilized macadam layer, wherein the third cement-stabilized macadam layer covers the first cement-stabilized macadam layer and the second cement-stabilized macadam layer;
step five, maintenance: and spraying water on the third cement stable gravel layer for curing.
2. The cement stabilized macadam construction process of claim 1, wherein the first layer of cement stabilized macadam is higher than the second layer of cement stabilized macadam.
3. The cement-stabilized macadam construction process of claim 2, wherein a first bonding layer is laid on each of the first cement-stabilized macadam layer and the second cement-stabilized macadam layer, a buffer layer is laid on each first bonding layer, a second bonding layer is laid on each buffer layer, each first bonding layer and each second bonding layer are emulsified asphalt, and each buffer layer is a mixture of macadams and rubber particles.
4. The cement stabilized macadam construction process of claim 3, wherein the first cement stabilized macadam layer is integrally formed with the second cement stabilized macadam layer;
in each group of first steel templates, the lower ends of the first steel plates are upwards sunken at intervals to form a plurality of n-shaped notches, the notches on the two first steel plates are arranged in a one-to-one correspondence manner, the top surfaces of the first steel plates above the notches are downwards sunken to form a sliding cavity, the lower end of the sliding cavity is slightly higher than the lower end of the notches, a sealing plate capable of sliding up and down is arranged in the sliding cavity to seal a part of the notches, the sealing plate comprises a rectangular part and two vertical parts arranged at the lower end of the rectangular part at intervals, the rectangular part and the vertical parts are integrally formed, when the sealing plate is positioned in the sliding cavity, the upper end of the rectangular part is lower than the upper end of the sliding cavity, the lower ends of the vertical parts are abutted against the lower end of the sliding cavity, and the vertical parts are flush with the side walls of the notches;
every group in the second steel form, the tip of second steel sheet all has set firmly the mounting panel, be equipped with first screw hole on the mounting panel, it is equipped with the second screw hole to correspond on the first steel sheet, first screw hole, second screw hole pass through the nut and connect, wherein, when first steel sheet is connected with the second steel sheet, the second steel sheet flushes rather than the lateral wall of the breach that corresponds.
5. The cement stabilized macadam construction process of claim 4, wherein a cover body which can be opened and closed is arranged at the top of the sliding cavity, and when the cover body is closed, the cover body is flush with the upper end of the first steel plate;
the upper end of the rectangular part is provided with a first mounting seat, and the inner surface of the cover body is provided with a second mounting seat;
the support rod is characterized by further comprising a support rod, wherein two ends of the support rod are respectively connected with the first mounting seat and the second mounting seat in a rotating mode through bolts.
6. The cement stabilized macadam construction process of claim 4, wherein the number of the closure plates is plural, and the lengths of the vertical portions in any two closure plates are not equal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667497.8A CN112030653B (en) | 2020-07-13 | 2020-07-13 | Cement stabilized macadam construction process |
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| CN202010667497.8A CN112030653B (en) | 2020-07-13 | 2020-07-13 | Cement stabilized macadam construction process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10245803A (en) * | 1997-03-06 | 1998-09-14 | Fukuda Doro Kk | Paving method |
| US20040105933A1 (en) * | 2001-12-04 | 2004-06-03 | Wiley Patrick Carl | Method of applying a thermally settable coating to a patterned substrate |
| CN103266548A (en) * | 2013-06-05 | 2013-08-28 | 北京中景橙石建筑科技有限公司 | Scatteredly paved gravel solidified ground surface structure and manufacturing method thereof |
| CN107893353A (en) * | 2017-12-10 | 2018-04-10 | 成都隶盈科技有限公司 | A kind of construction method on grinding coagulation dirt road road |
| CN108411726A (en) * | 2018-02-08 | 2018-08-17 | 杭州江润科技有限公司 | Cement stabilized macadam base punching block supporting connects paving system and construction method |
-
2020
- 2020-07-13 CN CN202010667497.8A patent/CN112030653B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10245803A (en) * | 1997-03-06 | 1998-09-14 | Fukuda Doro Kk | Paving method |
| US20040105933A1 (en) * | 2001-12-04 | 2004-06-03 | Wiley Patrick Carl | Method of applying a thermally settable coating to a patterned substrate |
| CN103266548A (en) * | 2013-06-05 | 2013-08-28 | 北京中景橙石建筑科技有限公司 | Scatteredly paved gravel solidified ground surface structure and manufacturing method thereof |
| CN107893353A (en) * | 2017-12-10 | 2018-04-10 | 成都隶盈科技有限公司 | A kind of construction method on grinding coagulation dirt road road |
| CN108411726A (en) * | 2018-02-08 | 2018-08-17 | 杭州江润科技有限公司 | Cement stabilized macadam base punching block supporting connects paving system and construction method |
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| Publication number | Publication date |
|---|---|
| CN112030653B (en) | 2021-11-02 |
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