CN110629641A - Device and method for uniformly paving thin-layer modified emulsified asphalt - Google Patents
Device and method for uniformly paving thin-layer modified emulsified asphalt Download PDFInfo
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- CN110629641A CN110629641A CN201910927648.6A CN201910927648A CN110629641A CN 110629641 A CN110629641 A CN 110629641A CN 201910927648 A CN201910927648 A CN 201910927648A CN 110629641 A CN110629641 A CN 110629641A
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- Prior art keywords
- emulsified asphalt
- modified emulsified
- annular plastic
- plastic template
- reinforcing bar
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/42—Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a device and a method for uniformly paving thin-layer modified emulsified asphalt, which comprises a steel bottom plate, a support, a first vertical steel bar rod, a modified emulsified asphalt scraper blade, a connecting block, a connecting piece, an oil felt and an annular plastic template, wherein the support is fixed on the steel bottom plate, the oil felt is positioned on the steel bottom plate, the annular plastic template is positioned on the oil felt, the upper end of the first vertical steel bar rod is fixed on the support, the upper surface of the connecting block is provided with a threaded hole, the lower end of the first vertical steel bar rod is inserted into and connected with the threaded hole in a threaded manner, the upper end of the connecting piece is movably connected with the bottom of the connecting block, the lower end of the connecting piece is connected with the middle part of the modified emulsified asphalt scraper blade, and the modified emulsified asphalt scraper blade is positioned in a central round hole of the annular plastic template.
Description
Technical Field
The invention relates to a uniform paving device and a method, in particular to a device and a method for uniformly paving a thin layer of modified emulsified asphalt.
Background
The paving uniformity of the thin-layer modified emulsified asphalt has certain influence on the bonding effect. When an indoor thin-layer modified emulsified asphalt paving (such as a permeable layer, a bonding layer and the like) test is carried out in China, the thin-layer modified emulsified asphalt is paved by brushing, so that the paved thin-layer modified emulsified asphalt is not uniform, namely the thicknesses are inconsistent, and the manual brushing and paving efficiency is lower.
ASSHTO adopts a scraper with abundant experience for spreading thin-layer modified emulsified asphalt, and although the effect is better than that of domestic brushing, the randomness of the method is relatively high. At present, the paving of the thin-layer modified emulsified asphalt is not paid enough attention, and the pavement structure design usually assumes a completely continuous contact state between pavement structure layers, which is not consistent with the actual contact state between the pavement structure layers. Therefore, the research on the paving device and method of the thin-layer modified emulsified asphalt has important significance for enhancing the interlayer bonding of the pavement structure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device and a method for uniformly paving a thin layer of modified emulsified asphalt, and the device and the method can realize uniform paving of the modified emulsified asphalt.
In order to achieve the purpose, the device for uniformly spreading the thin-layer modified emulsified asphalt comprises a steel bottom plate, a support, a first vertical steel bar rod, a modified emulsified asphalt scraper blade, a connecting block, a connecting piece, an oil felt and an annular plastic template, wherein the support is fixed on the steel bottom plate, the oil felt is positioned on the steel bottom plate, the annular plastic template is positioned on the oil felt, the upper end of the first vertical steel bar rod is fixed on the support, the upper surface of the connecting block is provided with a threaded hole, the lower end of the first vertical steel bar rod is inserted into and connected with the threaded hole in a threaded manner, the upper end of the connecting piece is movably connected with the bottom of the connecting block, the lower end of the connecting piece is connected with the middle part of the modified emulsified asphalt scraper blade, and the modified emulsified asphalt scraper blade.
The connecting piece is a screw, wherein the lower end of the connecting piece is inserted into the middle of the modified emulsified asphalt scraper, a limiting groove is formed in the bottom of the connecting block, and the upper end of the screw is movably clamped in the limiting groove.
The support includes vertical reinforcing bar pole of second and horizontal reinforcing bar pole, and wherein, vertical reinforcing bar pole of second is erect and is fixed in on the steel bottom plate, the one end of horizontal reinforcing bar pole is fixed in the upper end of vertical reinforcing bar pole of second, and the upper end of first vertical reinforcing bar pole is fixed in the other end of horizontal reinforcing bar pole.
And the steel bottom plate is provided with a plurality of right-angle fixed angles for limiting the annular plastic template.
A water level is arranged on the steel bottom plate.
The bottom of the steel bottom plate is provided with a plurality of supports.
The transverse steel bar rod is connected with the first vertical steel bar rod through a fixing screw.
The method for uniformly paving the thin-layer modified emulsified asphalt comprises the following steps:
1) calculating the volume V of the required modified emulsified asphalt according to the equal volume principle, wherein V is Sd, d is the paving thickness of the modified emulsified asphalt, S is the cross section area of the central circular hole of the annular plastic template,wherein r is the radius of the cross section of the central circular hole of the annular plastic template;
2) weighing modified emulsified asphalt with the volume of V by using a volume container with scales, rotating a connecting block, and adjusting the distance between a modified emulsified asphalt scraper and the bottom of the central circular hole of the annular plastic template to enable the distance between the modified emulsified asphalt scraper and the bottom of the central circular hole of the annular plastic template to be d;
3) and pouring the weighed modified emulsified asphalt into the central circular hole of the annular plastic template, and then rotating the modified emulsified asphalt scraper to enable the modified emulsified asphalt scraper to rotate around the axis of the connecting piece, so that the modified emulsified asphalt is uniformly paved into the central circular hole of the annular plastic template.
The invention has the following beneficial effects:
when the device and the method for uniformly paving the thin-layer modified emulsified asphalt are specifically operated, the volume of the required modified emulsified asphalt is calculated according to the paving thickness d of the modified emulsified asphalt based on the fact that the cross section of the central circular hole of the annular plastic template is a fixed value, then the connecting block is adjusted, the distance between the modified emulsified asphalt scraper and the bottom of the central circular hole of the annular plastic template is d, then the weighed modified emulsified asphalt is poured into the central circular hole of the annular plastic template, and the modified emulsified asphalt scraper is used for scraping, so that the modified emulsified asphalt can be uniformly paved, the operation is convenient and simple, the practicability is extremely high, and the device and the method have important significance for researching the bonding performance between a modified emulsified asphalt concrete pavement or modified emulsified asphalt concrete and other structural layers.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Wherein, 1 is the steel bottom plate, 2 is the spirit level, 3 is right angle fixed angle, 4 is the support, 5 is annular plastic formwork, 6 is modified emulsified asphalt scraper blade, 7 is the vertical reinforcing bar of second, 8 is horizontal reinforcing bar, 9 is the set screw, 10 is first vertical reinforcing bar, 11 is the connecting block, 12 is the screw.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 and 2, the device for uniformly spreading the thin-layer modified emulsified asphalt comprises a steel base plate 1, a support, a first vertical reinforcing bar 10, a modified emulsified asphalt scraper 6, a connecting block 11, a connecting piece, an oil felt and an annular plastic template 5, wherein the support is fixed on the steel base plate 1, the oil felt is positioned on the steel base plate 1, the annular plastic template 5 is positioned on the oil felt, the upper end of the first vertical reinforcing bar 10 is fixed on the support, the upper surface of the connecting block 11 is provided with a threaded hole, the lower end of the first vertical reinforcing bar 10 is inserted into and connected with the threaded hole in a threaded manner, the upper end of the connecting piece is movably connected with the bottom of the connecting block 11, the lower end of the connecting piece is connected with the middle part of the modified emulsified asphalt scraper 6, and the modified emulsified asphalt scraper 6 is positioned in a central round hole of.
Specifically, the connecting piece is screw 12, wherein, the lower extreme of connecting piece inserts in the middle part of modified emulsified asphalt scraper blade 6, and the bottom of connecting block 11 is provided with spacing recess, the upper end activity joint of screw 12 in the spacing recess.
The support includes vertical reinforcing bar pole 7 of second and horizontal reinforcing bar pole 8, and wherein, vertical reinforcing bar pole 7 of second is erect and is fixed in on the bottom plate of steel 1, the one end of horizontal reinforcing bar pole 8 is fixed in the upper end of vertical reinforcing bar pole 7 of second, and the upper end of first vertical reinforcing bar pole 10 is fixed in the other end of horizontal reinforcing bar pole 8.
The steel bottom plate 1 is provided with a plurality of right-angle fixed angles 3 for limiting the annular plastic template 5; a water level 2 is arranged on the steel bottom plate 1; the bottom of the steel bottom plate 1 is provided with a plurality of supports 4; the transverse reinforcing bar rod 8 is connected with the first vertical reinforcing bar rod 10 through a fixing screw 9.
The side length of the steel bottom plate 1 is 400mm, and the thickness is 10 mm; the side length of the annular plastic template 5 is 360mm, a central circular hole with the diameter of 279 +/-1 mm is formed in the middle of the annular plastic template, and the thickness of the annular plastic template is 6.4 +/-0.2 mm; the side length of the felt is 360 mm.
The method for uniformly paving the thin-layer modified emulsified asphalt comprises the following steps:
1) calculating the volume V of the required modified emulsified asphalt according to the equal volume principle, wherein V is Sd, d is the paving thickness of the modified emulsified asphalt, S is the cross section area of the central circular hole of the annular plastic template 5,wherein r is the radius of the cross section of the central circular hole of the annular plastic template 5;
2) weighing modified emulsified asphalt with the volume of V by using a volume container with scales, simultaneously rotating a connecting block 11, and adjusting the distance between a modified emulsified asphalt scraper 6 and the bottom of a central circular hole of an annular plastic template 5 to enable the distance between the modified emulsified asphalt scraper 6 and the bottom of the central circular hole of the annular plastic template 5 to be d;
3) and pouring the weighed modified emulsified asphalt into the central circular hole of the annular plastic template 5, and then rotating the modified emulsified asphalt scraper 6 to enable the modified emulsified asphalt scraper 6 to rotate around the axis of the connecting piece, so that the modified emulsified asphalt is uniformly paved into the central circular hole of the annular plastic template 5.
It should be noted that the foregoing method embodiments are described as a series of acts or combinations for simplicity in explanation, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts or acts described, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A device for uniformly paving thin-layer modified emulsified asphalt is characterized by comprising a steel bottom plate (1), a bracket, a first vertical steel bar rod (10), a modified emulsified asphalt scraper (6), a connecting block (11), a connecting piece, an oil felt and an annular plastic template (5), wherein the support is fixed on the steel base plate (1), the asphalt felt is positioned on the steel base plate (1), the annular plastic template (5) is positioned on the asphalt felt, the upper end of the first vertical steel bar rod (10) is fixed on the support, the upper surface of the connecting block (11) is provided with a threaded hole, the lower end of the first vertical steel bar rod (10) is inserted into and in threaded connection with the threaded hole, the upper end of the connecting piece is movably connected with the bottom of the connecting block (11), the lower end of the connecting piece is connected with the middle part of the modified emulsified asphalt scraper (6), the modified emulsified asphalt scraper (6) is positioned in a central circular hole of the annular plastic template (5).
2. The device for uniformly spreading the thin-layer modified emulsified asphalt as claimed in claim 1, wherein the connecting piece is a screw (12), the lower end of the connecting piece is inserted into the middle part of the modified emulsified asphalt scraper (6), the bottom of the connecting block (11) is provided with a limiting groove, and the upper end of the screw (12) is movably clamped in the limiting groove.
3. The device for uniformly paving the thin-layer modified emulsified asphalt according to claim 1, wherein the support comprises a second vertical reinforcing bar (7) and a transverse reinforcing bar (8), wherein the second vertical reinforcing bar (7) is vertically fixed on the steel bottom plate (1), one end of the transverse reinforcing bar (8) is fixed at the upper end of the second vertical reinforcing bar (7), and the upper end of the first vertical reinforcing bar (10) is fixed at the other end of the transverse reinforcing bar (8).
4. The device for uniformly spreading the thin-layer modified emulsified asphalt as claimed in claim 1, wherein the steel bottom plate (1) is provided with a plurality of right-angle fixed angles (3) for limiting the annular plastic template (5).
5. The apparatus for uniformly spreading thin-layer modified emulsified asphalt as claimed in claim 1, wherein the steel base plate (1) is provided with a leveling instrument (2).
6. Device for the uniform spreading of thin layers of modified emulsified asphalt according to claim 1, characterized in that the bottom of the steel bottom plate (1) is provided with a plurality of seats (4).
7. The device for uniformly spreading the thin-layer modified emulsified asphalt as claimed in claim 1, wherein the transverse reinforcing bar (8) is connected with the first vertical reinforcing bar (10) through a fixing screw (9).
8. A method for uniformly spreading a thin layer of modified emulsified asphalt, which is based on the apparatus for uniformly spreading a thin layer of modified emulsified asphalt of claim 1, comprising the steps of:
1) calculating the volume V of the required modified emulsified asphalt according to the equal volume principle, wherein V is Sd, d is the paving thickness of the modified emulsified asphalt, S is the cross section area of the central circular hole of the annular plastic template (5),wherein r is the radius of the cross section of the central circular hole of the annular plastic template (5);
2) weighing modified emulsified asphalt with the volume of V by using a volume container with scales, simultaneously rotating a connecting block (11), and adjusting the distance between a modified emulsified asphalt scraper (6) and the bottom of a central circular hole of an annular plastic template (5) to ensure that the distance between the modified emulsified asphalt scraper (6) and the bottom of the central circular hole of the annular plastic template (5) is d;
3) the weighed modified emulsified asphalt is poured into a central circular hole of the annular plastic template (5), and then the modified emulsified asphalt scraper (6) is rotated, so that the modified emulsified asphalt scraper (6) rotates around the axis of the connecting piece, and the modified emulsified asphalt is uniformly paved into the central circular hole of the annular plastic template (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927648.6A CN110629641B (en) | 2019-09-27 | 2019-09-27 | Device and method for uniformly paving thin-layer modified emulsified asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927648.6A CN110629641B (en) | 2019-09-27 | 2019-09-27 | Device and method for uniformly paving thin-layer modified emulsified asphalt |
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| Publication Number | Publication Date |
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| CN110629641A true CN110629641A (en) | 2019-12-31 |
| CN110629641B CN110629641B (en) | 2022-01-04 |
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| CN201910927648.6A Active CN110629641B (en) | 2019-09-27 | 2019-09-27 | Device and method for uniformly paving thin-layer modified emulsified asphalt |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749304A (en) * | 1986-09-15 | 1988-06-07 | White Consolidated Industries, Inc. | Variable width material distribution system for asphalt pavers and the like |
| CN204401991U (en) * | 2015-01-15 | 2015-06-17 | 张怀玉 | A kind of leveling tool |
| CN105445180A (en) * | 2015-12-17 | 2016-03-30 | 甘肃昌恒公路养护技术有限责任公司 | Pavement antiskid performance testing device and testing method thereof |
| CN106437167A (en) * | 2016-08-31 | 2017-02-22 | 中冶天工集团天津有限公司 | Device with functions of thickness measuring and leveling for concrete and usage method thereof |
| CN108915269A (en) * | 2018-06-29 | 2018-11-30 | 中国冶集团有限公司 | Concrete thickness control and leveling unit and method |
| CN208607834U (en) * | 2018-01-12 | 2019-03-15 | 山东科技大学 | A kind of similar material simulation experiment sandy soil laying leveling device |
-
2019
- 2019-09-27 CN CN201910927648.6A patent/CN110629641B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749304A (en) * | 1986-09-15 | 1988-06-07 | White Consolidated Industries, Inc. | Variable width material distribution system for asphalt pavers and the like |
| CN204401991U (en) * | 2015-01-15 | 2015-06-17 | 张怀玉 | A kind of leveling tool |
| CN105445180A (en) * | 2015-12-17 | 2016-03-30 | 甘肃昌恒公路养护技术有限责任公司 | Pavement antiskid performance testing device and testing method thereof |
| CN106437167A (en) * | 2016-08-31 | 2017-02-22 | 中冶天工集团天津有限公司 | Device with functions of thickness measuring and leveling for concrete and usage method thereof |
| CN208607834U (en) * | 2018-01-12 | 2019-03-15 | 山东科技大学 | A kind of similar material simulation experiment sandy soil laying leveling device |
| CN108915269A (en) * | 2018-06-29 | 2018-11-30 | 中国冶集团有限公司 | Concrete thickness control and leveling unit and method |
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| CN110629641B (en) | 2022-01-04 |
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Effective date of registration: 20200907 Address after: No.8, Longao North Road, Lixia District, Jinan City, Shandong Province Applicant after: Shandong high speed Group Co.,Ltd. Applicant after: CHANG'AN University Address before: Building D, golden age Plaza, No. 9999, Jingshi Road, Lixia District, Jinan City, Shandong Province, 250014 Applicant before: QILU TRANSPORTATION DEVELOPMENT GROUP Co.,Ltd. Applicant before: CHANG'AN University |
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