CN202577123U - Auxiliary component and concrete slab for road surface construction - Google Patents
Auxiliary component and concrete slab for road surface construction Download PDFInfo
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- CN202577123U CN202577123U CN 201220059297 CN201220059297U CN202577123U CN 202577123 U CN202577123 U CN 202577123U CN 201220059297 CN201220059297 CN 201220059297 CN 201220059297 U CN201220059297 U CN 201220059297U CN 202577123 U CN202577123 U CN 202577123U
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Abstract
本实用新型提供一种路面施工辅助构件和混凝土板，其中，路面施工辅助构件包括：筒体、底板和调平螺栓；所述筒体包括相连接且相通的第一筒体部和第二筒体部，所述第一筒体部设置有吊具安装件和浆料入口，所述第二筒体部的底部连接底板；所述底板上设置有与所述第二筒体部的内腔连通的螺栓伸出孔和浆料流出孔；所述调平螺栓包括螺栓头部和螺杆，所述螺杆穿设于所述螺栓伸出孔中，所述螺栓头部位于所述第二筒体部内，且所述螺栓头部小于所述第二筒体部的内径。本实用新型显著提高了路面预制拼装施工的效率和路面质量。
The utility model provides an auxiliary component for road construction and a concrete slab, wherein the auxiliary component for road construction comprises: a cylinder body, a bottom plate and leveling bolts; the cylinder body includes a first cylinder body part and a second cylinder body connected and communicated Body part, the first cylinder part is provided with a hanger mounting part and a slurry inlet, the bottom of the second cylinder part is connected to the bottom plate; the bottom plate is provided with an inner cavity with the second cylinder part A connected bolt extension hole and a slurry outflow hole; the leveling bolt includes a bolt head and a screw rod, the screw rod is passed through the bolt extension hole, and the bolt head is located in the second cylinder part, and the head of the bolt is smaller than the inner diameter of the second cylindrical part. The utility model significantly improves the efficiency of road surface prefabrication and assembly construction and the quality of the road surface.
Description
Technical field
The utility model relates to the highway construction technology, relates in particular to a kind of pavement construction auxiliary part and concrete slab.
Background technology
In order to guarantee to be open to traffic fast after the pavement of road repairing construction finishes; In the cement concrete pavement maintenance, adopted a rapid curing technology; It is the precast assembly fast repair technique; This technology is to make concrete slab in the prefabricated stage of back court, carries out the assembly unit and the processing of each plate of concrete slab at the construction field (site).
Concrete, in work progress,, at first excavation is abolished on the road surface of needs reparation in order to guarantee the surface evenness after the plate assembly unit, again the zone, road surface after the cleaning is flattened; Usually adopt basic unit's leveling method, for example, basic unit's leveling method commonly used mainly contains: dry-mixed mortar leveling, gravity flowing levelling mortar leveling, the leveling of pitch cold-repairing material etc., the sub-surface after promptly utilizing the plastic property of these materials to realize excavating is smooth.After basic unit's leveling, utilize crane gear that prefabricated concrete slab is lifted the above-mentioned excavation zone, road surface that has flattened, accomplish the construction on road surface.
But there are many defectives in above-mentioned pavement construction method: on the one hand, in order to guarantee the surface evenness after the assembly unit, need adjust repeatedly leveling basic unit, it is very low to have increased constructional difficulties property and efficient; Excavation zone after the leveling still possibly exist to harden with assembly unit and closes untight place on the other hand, causes the bottom of the concrete slab after the assembly unit to have the zone of coming to nothing, and causes pavement durability poor.To sum up, the pavement construction method efficient of prior art is low and of poor quality.
The utility model content
The first aspect of the utility model provides a kind of pavement construction auxiliary part, to improve the speed and the quality of pavement construction.
The second aspect of the utility model provides a kind of concrete slab, to improve the speed and the quality of pavement construction.
The pavement construction auxiliary part that the utility model provides comprises: cylindrical shell, base plate and leveling bolt; Said cylindrical shell comprises first barrel and second barrel that is connected and communicates, and said first barrel is provided with suspender installed part and slurry inlet, and the bottom of said second barrel connects base plate; Said base plate is provided with the bolt that is communicated with the inner chamber of said second barrel and stretches out hole and slurry tap hole; Said leveling bolt comprises bolt head and screw rod, and said screw rod is arranged in said bolt and stretches out in the hole, and said bolt head is positioned at said second barrel, and said bolt head is less than the internal diameter of said second barrel.
Aforesaid pavement construction auxiliary part, said suspender installed part are the internal thread that is arranged on the said first barrel inside wall.
Aforesaid pavement construction auxiliary part, said bolt stretches out the middle part that the hole is arranged on said base plate, a plurality of said slurry tap holes be distributed in said bolt stretch out the hole around.
Aforesaid pavement construction auxiliary part, said leveling bolt is an Allen bolt.
Aforesaid pavement construction auxiliary part also comprises pad, and said pad is arranged on outside the said cylindrical shell, and is connected the end of said screw rod.
Aforesaid pavement construction auxiliary part connects through spherical bearing between said screw rod and the pad.
Aforesaid pavement construction auxiliary part, said cylindrical shell and base plate are for being welded to connect or integral structure.
Aforesaid pavement construction auxiliary part, first barrel of said cylindrical shell and second barrel are for being welded to connect or integral structure.
The concrete slab that the utility model provides is provided with the described pavement construction auxiliary part of the utility model in the said concrete slab; Said concrete slab comprises towards the end face on road surface and towards the bottom surface of sub-surface; The cylindrical shell of said pavement construction auxiliary part is chimeric to be fixed in the said concrete slab; And expose the slurry inlet from said end face, the slurry flowing grooves end face of reserving at the bottom of said bottom surface or the concrete slab exposes the slurry tap hole.
The technique effect of the utility model pavement construction auxiliary part is: through the leveling bolt is set; Can adjust this leveling bolt to guarantee the planeness on road surface; Method with respect to the laying leveling layer of prior art; The method of adjustment bolt is more quick, simple and convenient, can significantly improve the efficient of pavement construction; And, through the slurry tap hole is set, can be in the milk to the zone of coming to nothing, the bottom of concrete slab through cylindrical shell and this slurry tap hole, guarantee the bottom and the strong bonded of sub-surface of concrete slab, guarantee the durability on road surface, the raising pavement quality.
The technique effect of the utility model concrete slab is: through the pavement construction auxiliary part is set in concrete slab; And in this pavement construction auxiliary part, the leveling bolt is set; Can adjust the leveling bolt to guarantee surface evenness, with respect to the laying leveling layer method of prior art, the method for adjustment bolt is more quick; Simple and convenient, can significantly improve the efficient of pavement construction; And, through the slurry tap hole is set, can be in the milk to the zone of coming to nothing, the bottom of concrete slab through cylindrical shell and this slurry tap hole, guarantee the bottom and the strong bonded of sub-surface of concrete slab, guarantee the durability on road surface, the raising pavement quality.
Description of drawings
Fig. 1 is the lateral view of the utility model pavement construction auxiliary part embodiment;
Fig. 2 is the vertical view of the utility model pavement construction auxiliary part embodiment;
Fig. 3 is the upward view of the utility model pavement construction auxiliary part embodiment;
Fig. 4 is the vertical view of the leveling bolt among the utility model pavement construction auxiliary part embodiment;
Fig. 5 is leveling bolt and the syndeton sketch map between the pad among the utility model pavement construction auxiliary part embodiment;
Fig. 6 is the structural representation of the utility model concrete slab embodiment.
The specific embodiment
Embodiment one
Fig. 1 is the lateral view of the utility model pavement construction auxiliary part embodiment, and Fig. 2 is the vertical view of the utility model pavement construction auxiliary part embodiment, and Fig. 3 is the upward view of the utility model pavement construction auxiliary part embodiment; Wherein, not shown leveling bolt among Fig. 2 and Fig. 3.
Like Fig. 1-shown in Figure 3, the pavement construction auxiliary part of present embodiment comprises cylindrical shell 11, base plate 12 and leveling bolt 13.Wherein, cylindrical shell 11 comprises the first barrel 11a and the second barrel 11b, and this first barrel 11a is connected with the second barrel 11b and connects; The first barrel 11a is provided with the suspender installed part, and the bottom of the second barrel 11b connects base plate 12.Need to prove; First barrel here and second barrel are not to be restricted to two cylindrical shells, and just expression, this cylindrical shell 11 comprises two zones (perhaps being two parts); The suspender installed part is set in one of them zone, and another zone is connected with base plate; That is, first barrel and second barrel are zone name, do not limit to and specifically comprise several cylindrical shells in the cylindrical shell 11.For example, in the practical implementation, first barrel and second barrel can be two cylindrical shells, perhaps also can be two parts in the cylindrical shell; When first barrel and second barrel were two cylindrical shells, the outside dimension of these two cylindrical shells can be the same or different, and did not do strict restriction, as long as two cylindrical shells communicate.
The first barrel 11a is provided with the suspender installed part; This suspender installed part refers to the structure that is used to install suspender, for example, and when suspender is suspension ring; The suspender installed part can be the internal thread that on the first barrel inside wall, is provided with; Suspension ring can be installed on this internal thread, and the assembling that cooperates through suspension ring and internal thread can be fixed on suspension ring on this pavement construction auxiliary part, the equipment hoisting that just can connect suspension ring and the pavement construction auxiliary part is belonged to through crane gear.
Wherein, base plate 12 is provided with bolt and stretches out hole 14 and slurry tap hole 15, and this bolt stretches out hole 14 and is communicated with the second barrel 11b with slurry tap hole 15.Leveling bolt 13 comprises bolt head 13a and screw rod 13b; The bolt that screw rod 13b is arranged on the base plate 12 stretches out in the hole 14; This bolt stretches out in the hole 14 and is provided with internal thread; Bolt stretches out hole 14 and constitutes the mode that is spirally connected with screw rod 13b, just can adjust screw rod 13b through swivel bolt head 13a and stretch out the length that bolt stretches out hole 14.Bolt head 13a is positioned at the second barrel 11b; And bolt head 13a is less than the internal diameter of the second barrel 11b; After guaranteeing that slurry pours into from the grouting mouth F of the first barrel 11a, can be smoothly through flowing out from slurry tap hole 15 behind this second barrel 11b.
Present embodiment can make evenness of road surface through adjustment leveling bolt, when pavement roughness, and can be through rotating the bolt head of leveling bolt; The screw rod that changes this bolt stretches out the length of base plate, and the supporting role through the screw rod that stretches out just can remedy the difference in height between adjacent plate or the new old pavement, and prior art then need be filled and led up difference in height through filling up modes such as mortar; Speed of application must be fast not as the speed of adjustment bolt; And must be than the mode of adjustment bolt complicated many of form of construction work, therefore, with respect to the method for the laying leveling layer of prior art; The method of adjustment bolt is more quick; Simple and convenient, can significantly improve the efficient of pavement construction, improve the precision of concrete slab assembly unit; And slurry inlet, cylindrical shell and this slurry tap hole can be formed grouting channel, are in the milk through this grouting channel; The slurry zone of just can coming to nothing from the bottom that the slurry tap hole flows out to concrete slab; Because the leveling bolt has carried out support so that evenness of road surface at basic unit's end face, this moment, slurry can be to fillings of being in the milk of this zone of coming to nothing, the bottom of assurance concrete slab and the strong bonded of sub-surface; Guarantee the durability on road surface, improve pavement quality; In addition; The pavement construction auxiliary part of present embodiment is integrated in one suspender installed part, grouting channel and leveling bolt; Can pass through this member and realize lifting, grouting and three kinds of functions of leveling, and just lift concrete slab through a suspender in the concrete slab in the prior art, leveling is other construction and complicated operation; And do not have grouting operation, so the member of present embodiment can improve speed of application and quality greatly with respect to prior art.
Optional, referring to Fig. 3, on base plate 12, bolt stretches out the middle part that hole 14 can be arranged on base plate 12, so that road surface leveling better effects if; The quantity of slurry tap hole 15 can be for a plurality of, can disperse to be arranged on bolt stretch out hole 14 around comparatively even so that slurry distributes.
Optional, referring to Fig. 4, Fig. 4 is the vertical view of the leveling bolt among the utility model pavement construction auxiliary part embodiment.The leveling bolt of present embodiment can adopt Allen bolt, and the bolt head of this Allen bolt is interior hexagonal shape, and it is convenient that bolt is applied external force.
Optional, as shown in Figure 1, the pavement construction auxiliary part of present embodiment can also comprise pad 16, this pad 16 is arranged on outside the cylindrical shell 11, and is connected the end of screw rod 13b.Through this pad 16 is set; The basic unit that can adapt to the different situations in excavation back is to guarantee the planeness between assembly unit plate and the original road surface; The suffered pressure of basic unit in the time of simultaneously can reducing to adjust leveling bolt height prevents that sub-surface from receiving the point effect generation secondary damage of screw rod.
Optional, referring to Fig. 5, Fig. 5 is leveling bolt and the syndeton sketch map between the pad among the utility model pavement construction auxiliary part embodiment.Can connect through spherical bearing 17 between the screw rod 13b of leveling bolt and the pad 16; This spherical bearing 17 can be adjusted the incline direction of pad 16, to satisfy the demand of different directions leveling.For example, the regional G1 in the sub-surface is more higher than regional G2, then can be through the incline direction of spherical bearing 17 adjustment pads 16, make the inclination of pad 16 can compensatory zone G1 and regional G2 between difference in height, finally make evenness of road surface.
Optional, the cylindrical shell 11 in this pavement construction auxiliary part can be for being welded to connect or integral structure with base plate 12; The first barrel 11a of cylindrical shell and the second barrel 11b also can freely select in practical implementation for being welded to connect or integral structure, do not do strict restriction.For example, as shown in Figure 1, the pavement construction auxiliary part of present embodiment is set to dumbbell shape, and this cylindrical shell and base plate can be steel pipe; First barrel, second barrel and base plate are three part-structures independently, are welded to connect.
Be example with the pavement construction auxiliary part that in the precast assembly fast repair technique, uses present embodiment below; The method for using of road pavement construction auxiliary part describes; But be not limited in the practical implementation use at the precast assembly fast repair technique, also can this pavement construction auxiliary part be used in other occasions:
At first, when precast concrete plank, the pavement construction auxiliary part of the utility model embodiment is embedded in the suitable position in the concrete slab; Wherein, pre-buried be with member be placed on described correct position then the penetration concrete slurry solidify and get final product, be job practices commonly used; This correct position refers to and can make concrete slab by complete, safe, lifting smoothly, and leveling and grouting effect are better; For example; Overlook concrete slab; Find respectively this plate upper surface long limit and minor face quarterline (comprise 1/4th positions of corresponding sides 1/4th lines, corresponding sides 2/4ths positions four/two wires, corresponding sides 3/4ths positions four/three-way); The intersection point of 1/4th lines on long limit and 1/4th lines of minor face is for being provided with a little; Can member be arranged on this position (allowing deviation in the reality) a little is set, this is provided with the position can be so that concrete slab stress equalization when lifting lifts more easily and can not damage.It will be appreciated by those skilled in the art that; The mode of above-mentioned quarterline is one of them the optional method in the practical implementation; But be not limited to this, can adopt other set-up modes, as long as can make concrete slab by complete, safe, lifting smoothly.
Wherein, When pre-buried this pavement construction auxiliary part; The pavement construction auxiliary part need connect the end face and the bottom surface of concrete slab; This perforation refers to, and can suspender be installed on the suspender installed part of pavement construction auxiliary part from the end face of concrete slab, and the slurry that pours into can flow out to from the bottom surface of concrete slab on the sub-surface; The end face of described concrete slab is the plate face towards the road surface, and the bottom surface of concrete slab is the plate face towards sub-surface.
Then, will be used to lift the suspender of concrete slab, suspension ring for example, the assembling that matches with the suspender installed part of pavement construction auxiliary part middle cylinder body is so that suspender and pavement construction auxiliary part are fixed; For example, the suspender installed part is an internal thread, and suspension ring have external screw thread, and suspension ring are screwed on the suspender installed part, just can suspension ring and concrete slab be fixed.Hook suspension ring through crane gear, and concrete slab is lifted the pavement construction zone, concrete slab is placed in the sub-surface in pavement construction zone, promptly be placed in the working region of being excavated by the construction road surface.
Then, the leveling bolt in the adjustment pavement construction auxiliary part can stretch into the adjustment member from the top of first barrel of pavement construction auxiliary part, and the bolt head that screws the leveling bolt is regulated.Extension elongation through the adjustment screw rod is come the difference in height between compensating concrete plate and the original road surface, belongs to the planeness on road surface with the end face that guarantees concrete slab, make between the concrete slab and concrete slab and original road surface between planeness meet the requirements.
At last, treat the adjustment finish after, evenness of road surface; At this moment; The cylindrical shell and the slurry tap hole of present embodiment pavement construction auxiliary part can be formed grouting channel; Pour into from first barrel of cylindrical shell, make to be filled into the bottom surface of concrete slab and the zone of coming to nothing between the sub-surface by slurry second barrel, the slurry tap hole through being connected successively; Realize the strong bonded between concrete slab and the sub-surface, guarantee the durability on road surface.
In addition, can also carry out cutting to concrete slab through gaining machine usually and handle, guarantee the demand of pavement skid resistance function; Through joint sealing material between the concrete slab and the slit between concrete slab and the original road surface is watered, accomplished the construction of seam joint sealing material; Joint sealing material gets final product open to traffic after solidifying.
Optional, can also irregular part between the concrete slab and between concrete slab and the original road surface be ground through grinder or carried out milling through milling machine, further guarantee surface evenness.
The pavement construction auxiliary part of present embodiment through the leveling bolt is set, can be adjusted this leveling bolt to guarantee the planeness on road surface; The method of gathering materials with respect to the laying of prior art; The method of adjustment bolt is more quick, simple and convenient, can significantly improve the efficient of pavement construction; And, through the slurry tap hole is set, can be in the milk to the zone of coming to nothing, the bottom of concrete slab through cylindrical shell and this slurry tap hole, guarantee the bottom and the strong bonded of sub-surface of concrete slab, guarantee the durability on road surface, the raising pavement quality.
Embodiment two
Fig. 6 is the structural representation of the utility model concrete slab embodiment, and is as shown in Figure 6, is provided with the described pavement construction auxiliary part of the utility model any embodiment in this concrete slab.
Wherein, concrete slab 61 comprises end face 62 and bottom surface 63, and after construction was accomplished, this end face 62 was towards the road surface, and bottom surface 63 is towards sub-surface; The cylindrical shell of pavement construction auxiliary part is chimeric to be fixed in the said concrete slab.Pavement construction auxiliary part 64 (the pavement construction auxiliary part shown in Fig. 6 is simple signal, and the concrete structure of this member is said referring to the pavement construction auxiliary part embodiment of the utility model) just is embedded in the plate when making this concrete slab.Wherein, be embedded in the suitable position in the concrete slab, this correct position refers to and can make concrete slab by complete, safe, lifting smoothly, and leveling and grouting effect are better.And; When pre-buried this pavement construction auxiliary part, the pavement construction auxiliary part need connect the end face and the bottom surface of concrete slab, and this perforation refers to; The end face of concrete slab exposes the slurry inlet of member; The slurry flowing grooves end face of reserving at the bottom of bottom surface or the concrete slab exposes the slurry tap hole of member, can suspender be installed on the suspender installed part of pavement construction auxiliary part from the end face of concrete slab, and the slurry that pours into can flow out on the sub-surface from the bottom surface of concrete slab.Preferably, the end face of member is concordant with the end face of concrete slab, with the planeness on better assurance road surface; The bottom surface of the base plate of member can be concordant with the bottom surface of concrete slab, and perhaps the yet bottom surface of retraction concrete slab does not a little promptly reach concordant.
When pavement construction, with the suspender installed part of the pavement construction auxiliary part middle cylinder body in suspender and this concrete slab mount that matches, suspender just can lift the pavement construction zone with concrete slab; And, can guarantee the evenness of road surface at the end face place of concrete slab through the leveling bolt in the pavement construction auxiliary part in the adjustment concrete slab; At last, again slurry is poured in the pavement construction auxiliary part in this concrete slab, and flow out, be filled into the bottom surface of concrete slab and the zone of coming to nothing between the sub-surface through the slurry tap hole.
The concrete slab of present embodiment; Through the pavement construction auxiliary part is set, and in this pavement construction auxiliary part, the leveling bolt is set in concrete slab, can adjusts this leveling bolt to guarantee the planeness on road surface; Method with respect to the laying leveling layer of prior art; The method of adjustment bolt is more quick, simple and convenient, can significantly improve the efficient of pavement construction; And, through the slurry tap hole is set, can be in the milk to the zone of coming to nothing, the bottom of concrete slab through cylindrical shell and this slurry tap hole, guarantee the bottom and the strong bonded of sub-surface of concrete slab, guarantee the durability on road surface, the raising pavement quality.
What should explain at last is: above each embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model is specified with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (9)
1. a pavement construction auxiliary part is characterized in that, comprising: cylindrical shell, base plate and leveling bolt;
Said cylindrical shell comprises first barrel and second barrel that is connected and communicates, and said first barrel is provided with suspender installed part and slurry inlet, and the bottom of said second barrel connects base plate;
Said base plate is provided with the bolt that is communicated with the inner chamber of said second barrel and stretches out hole and slurry tap hole;
Said leveling bolt comprises bolt head and screw rod, and said screw rod is arranged in said bolt and stretches out in the hole, and said bolt head is positioned at said second barrel, and said bolt head is less than the internal diameter of said second barrel.
2. pavement construction auxiliary part according to claim 1 is characterized in that, said suspender installed part is the internal thread that is arranged on the said first barrel inside wall.
3. pavement construction auxiliary part according to claim 1 is characterized in that said bolt stretches out the middle part that the hole is arranged on said base plate, a plurality of said slurry tap holes be distributed in said bolt stretch out the hole around.
4. pavement construction auxiliary part according to claim 1 is characterized in that, said leveling bolt is an Allen bolt.
5. according to the arbitrary described pavement construction auxiliary part of claim 1-4, it is characterized in that also comprise pad, said pad is arranged on outside the said cylindrical shell, and be connected the end of said screw rod.
6. pavement construction auxiliary part according to claim 5 is characterized in that, connects through spherical bearing between said screw rod and the pad.
7. pavement construction auxiliary part according to claim 1 is characterized in that, said cylindrical shell and base plate are for being welded to connect or integral structure.
8. pavement construction auxiliary part according to claim 1 is characterized in that, first barrel of said cylindrical shell and second barrel are for being welded to connect or integral structure.
9. a concrete slab is characterized in that, is provided with the arbitrary described pavement construction auxiliary part of claim 1-8 in the said concrete slab;
Said concrete slab comprises towards the end face on road surface and towards the bottom surface of sub-surface; The cylindrical shell of said pavement construction auxiliary part is chimeric to be fixed in the said concrete slab; And expose the slurry inlet from said end face, the slurry flowing grooves end face of reserving at the bottom of said bottom surface or the concrete slab exposes the slurry tap hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220059297 CN202577123U (en) | 2012-02-21 | 2012-02-21 | Auxiliary component and concrete slab for road surface construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220059297 CN202577123U (en) | 2012-02-21 | 2012-02-21 | Auxiliary component and concrete slab for road surface construction |
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| Publication Number | Publication Date |
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| CN202577123U true CN202577123U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220059297 Expired - Lifetime CN202577123U (en) | 2012-02-21 | 2012-02-21 | Auxiliary component and concrete slab for road surface construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587265A (en) * | 2012-02-21 | 2012-07-18 | 交通运输部公路科学研究所 | Auxiliary component and concrete slab for roadbed construction and method for roadbed construction |
| CN107059574A (en) * | 2016-12-07 | 2017-08-18 | 华南农业大学 | A kind of method of concrete structure and its prefabricated assembled cement concrete pavement of leveling |
| CN108342937A (en) * | 2018-03-14 | 2018-07-31 | 安徽省交通控股集团有限公司 | A kind of prefabricated pier, the floated tubular Crossing brace connection structure of plate |
-
2012
- 2012-02-21 CN CN 201220059297 patent/CN202577123U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587265A (en) * | 2012-02-21 | 2012-07-18 | 交通运输部公路科学研究所 | Auxiliary component and concrete slab for roadbed construction and method for roadbed construction |
| WO2013123790A1 (en) * | 2012-02-21 | 2013-08-29 | 交通运输部公路科学研究所 | Auxiliary component and concrete slab for pavement construction and method of pavement construction |
| CN102587265B (en) * | 2012-02-21 | 2014-08-20 | 交通运输部公路科学研究所 | Auxiliary component and concrete slab for roadbed construction and method for roadbed construction |
| US8985895B2 (en) | 2012-02-21 | 2015-03-24 | Research Institute Of Highway Ministry Of Transport | Auxiliary member for pavement construction, concrete slab and method for pavement construction |
| CN107059574A (en) * | 2016-12-07 | 2017-08-18 | 华南农业大学 | A kind of method of concrete structure and its prefabricated assembled cement concrete pavement of leveling |
| CN108342937A (en) * | 2018-03-14 | 2018-07-31 | 安徽省交通控股集团有限公司 | A kind of prefabricated pier, the floated tubular Crossing brace connection structure of plate |
| CN108342937B (en) * | 2018-03-14 | 2024-03-01 | 安徽省交通控股集团有限公司 | Prefabricated pier and plate suspension type cylindrical shear support connection structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121205 Effective date of abandoning: 20140820 |
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| RGAV | Abandon patent right to avoid regrant |