CN201128880Y - Hold hoops and support integrated structure for circular single pier - Google Patents
Hold hoops and support integrated structure for circular single pier Download PDFInfo
- Publication number
- CN201128880Y CN201128880Y CNU2007201901640U CN200720190164U CN201128880Y CN 201128880 Y CN201128880 Y CN 201128880Y CN U2007201901640 U CNU2007201901640 U CN U2007201901640U CN 200720190164 U CN200720190164 U CN 200720190164U CN 201128880 Y CN201128880 Y CN 201128880Y
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- anchor ear
- support
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- half side
- circle
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Abstract
The utility model relates to an anchor ear-support integrated structure for a single circular pier. The anchor ear-support integrated structure fixed on a circular pier at least comprises first and second anchor ears, which are vertically and intervallically arranged, and a support, which is jointed with the two anchor ears; each anchor ear is formed by two semicircular half anchor ear bodies which are correspondingly bolted together; the outer side of each half anchor ear body is provided with a convex connecting part; the support is formed by two half side supports which are correspondingly bolted together, the half side supports are respectively bolted with the convex connecting parts of the homolateral half anchor ear bodies of the first and second anchor ears, each half side support is provided with a connecting end bolted with the other half side support, and the connecting ends of the two half side supports are correspondingly bolted together. The assembling process of the anchor ear-support integrated structure is simple and safe, the stability of the support is improved, the effective friction areas of the anchor ears are increased, and the bearing capacity of the anchor ear-support integrated structure can be ensured.
Description
Technical field
The utility model is the supporting structure that is used on the circular solely pier stud of bridge about a kind of, relates in particular to the anchor ear support integrative-structure of the only pier of a kind of circle.
Background technology
In bridge construction process, after the construction of having finished the circular solely pier of bridge, when carrying out circle solely pier capping beam being constructed, need set up interim fastening earlier, so that the template of bent cap is supported temporarily.At present, the interim fastening of circular solely pier capping beam construction has following several:
1, utilizes steel pipe support, fastener etc., on the whole construction face, set up full framing, form the interim casting platform of concreting beam.This interim fastening has following defective: the basis of the full framing that 1) must harden when construction, the support ground is carried out layering handle, for the soft base of bearing capacity difference, if deal with improperly, will cause the differential settlement of support ground, and then have influence on the construction quality of bent cap; 2) the ground processing is long with the erection construction cycle of support, and construction speed is slower, and is time-consuming, and needs a large amount of steel pipes, fastener etc., and cost is also higher; 3) require the job site must not have obstruction,, then can't use this kind fastening for the job site that obstruction is arranged; 4) elastic deformation of this full framing and nonelastic deformation are difficult to control, and particularly high pier is more obvious.
2, on the bridge pier post of having finished, utilize the mode of reserving hole or pre-buried steel structure, form the interim strong point, on the interim strong point, utilize Bei Leiliang or universal rod body to set up the interim casting platform of concreting bent cap.The defective of this kind mode is: need be on the bridge pier post reserving hole or pre-buried steel structure, cause bridge pier post construction inconvenience, the steel form of bridge pier needs opening; And finish at bridge construction, still can on bridge pier, leave a trace after the pre-buried steel structural member cuts off, thereby influence the overall appearance of bridge.
3, anchor ear structure, for cylindrical only pier stud, generally just adopt at present the supporting way of two anchor ear monomers as the bent cap construction, earlier two anchor ear monomers are installed (or embracing) on pier stud by design elevation, use crane gear on the interim strong point of anchor ear (i.e. two of two half of anchor ears tie point places), to set up shellfish thunder boom support again, this method has following defective: 1) shellfish thunder boom support is to set up at the interim strong point of above-mentioned anchor ear (i.e. two of two half of anchor ears tie point places) to go up and do not interconnect, therefore, support is stable undesirable.2) the horizontal connection rod member of high-altitude shellfish thunder boom support need be distinguished bolt, and this bolt process difficulty relatively, and each cylindrical only pier stud bent cap construction all will carry out support and set up work, and workload is very big.3) shellfish thunder boom support is set up two junctions at the anchor ear monomer, and is also influential to effective friction area of anchor ear monomer.4) to set up the support potential safety hazard very big in the high-altitude, particularly the big pier of cylinder form height pier footpath solely in the pier capping beam construction potential safety hazard more obvious.
Therefore, be necessary to provide a kind of new structure to overcome the defective of the interim fastening in the above-mentioned existing bridge construction.
The utility model content
The purpose of this utility model is to provide the anchor ear support integrative-structure of the only pier of a kind of circle, this structure can omit that the high-altitude support sets up and the work of a plurality of horizontal connection rod member bolt, and when this structural group was loaded on circular solely pier, assembling process was simple and convenient, can improve safety of construction.
Another purpose of the present utility model is to provide the anchor ear support integrative-structure of the only pier of a kind of circle, and this structure has enough rigidity, and can make anchor ear have enough effective friction areas, to guarantee the supporting capacity requirement.
Another purpose of the present utility model is to provide the anchor ear support integrative-structure of the only pier of a kind of circle, can make this structure when assembling, promotes along circular solely pier easily.
The purpose of this utility model is to realize like this, the anchor ear support integrative-structure of the only pier of a kind of circle, described this structure is fixedly installed on the circular pier, and this structure includes first, second two at least between the upper and lower every the anchor ear monomer of setting and a support that connects with described two anchor ear monomers; Described each anchor ear monomer is to be made of two corresponding bolts of semicircular half hoop; Described each half hoop outside is provided with a connecting portion that protrudes; Described support is to be made of two corresponding bolts of half side support, each half side support is integral with the protrusion connecting portion bolt of the first and second anchor ear monomer homonymies, half hoop respectively, each half side support is respectively equipped with the link with another half side support bolt, the corresponding bolt of the described link of two half side supports.
In a kind of better embodiment of the present utility model, described each half side support is provided with described link respectively at top and the bottom along second half side stand extension of anchor ear two side direction; The relative link of two halves side stand is connected with high-strength bolt by a scab.
In a kind of better embodiment of the present utility model, described scab is welded on the wherein link of half side stand in advance.
In a kind of better embodiment of the present utility model, described each anchor ear monomer radius is identical with the circular pier radius.
In a kind of better embodiment of the present utility model, the protrusion connecting portion of described half hoop setting is made of a projection, and projection is provided with bolt hole, and described half side support is by its bottom girder and described projection bolt.
In a kind of better embodiment of the present utility model, the bolt hole on the described projection is for regulating the microscler bolt hole of half hoop position.
In a kind of better embodiment of the present utility model, each anchor ear monomer top is provided with three at least and promotes guide position limiter.
In a kind of better embodiment of the present utility model, described lifting guide position limiter comprises the holder that is arranged at the anchor ear outside, holder is provided with a chute that radially is provided with along anchor ear, fixes a slide bar in the chute movably, and slide bar is provided with a pulley towards an end of anchor ear.
In a kind of better embodiment of the present utility model, the inner surface of described anchor ear monomer is covered with the individual layer geotextiles.
In a kind of better embodiment of the present utility model, described this structure can be set up one the 3rd anchor ear monomer.
From the above mentioned, anchor ear support integrative-structure of the present utility model can be before being fixed in bridge pier, a large amount of preparations are finished on ground in advance, avoid the horizontal connection rod member of existing structure high and medium shellfish thunder boom support need distinguish bolt in the high-altitude, the situation that workload is big and the bolt process is difficult for is with the simple and safety of installation process that guarantees anchor ear support integrative-structure.And, in the anchor ear support integrative-structure of the present utility model, fixedly connected by protruding connecting portion between support and the anchor ear, rather than just set up shellfish thunder boom support at two tie point places of two half of anchor ears as existing structure, therefore, the support stability in the utility model is better, and can improve the strength and stiffness of support, and can not influence effective friction area of anchor ear monomer, guarantee the supporting capacity requirement.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Fig. 1: be structural representation of the present utility model.
Fig. 2: be the vertical view of Fig. 1.
Fig. 3: be two half side support link junction schematic diagrames in the utility model.
Fig. 4: be the structural representation of two and half hoops in the utility model.
Fig. 5: be the lateral view of Fig. 1.
Fig. 6: be the structural representation of projection in the utility model.
Fig. 7: be projection in the utility model and foot-piece syndeton schematic diagram.
Fig. 8: be the lateral view of Fig. 7.
Fig. 9: for promoting guide position limiter installation site schematic diagram in the utility model.
Figure 10: for promoting the guide position limiter structural representation in the utility model.
Figure 11: be the lateral view of Fig. 9.
Figure 12: for promoting another view of guide position limiter in the utility model.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the anchor ear support integrative-structure of the only pier of a kind of circle of the present utility model, described this structure is fixedly installed on the circular pier 4, and this structure includes first, second two between the upper and lower every the anchor ear monomer 1 of setting and a support 2 that connects with described two anchor ear monomers 1; Described each anchor ear monomer 1 is to constitute (as shown in Figure 4) by two semicircular half hoop, 11 corresponding bolts; Described each half hoop, 11 outside are provided with a connecting portion 12 that protrudes; Described support 2 is to be made of two half side support 21 corresponding bolts, each half side support 21 is integral with protrusion connecting portion 12 bolts of the first and second anchor ear monomer homonymies, half hoop 11 respectively, each half side support 21 is respectively equipped with the described link 211 corresponding bolts with 211, two half side supports 21 of link of another half side support 21 bolts.
In the utility model, each half hoop 11 is respectively equipped with corresponding bolt jointing part 111, is fixed on the described circular pier 4 by half hoop, 11 bolts of bolt 1111 with two correspondences; Described each half side support 21 is to be welded by a plurality of shaped steel (or steel pole), and each half side support 21 is integral with protrusion connecting portion 12 bolts of the first and second anchor ear monomer homonymies, half hoop 11 respectively; The utility model is before installation, described anchor ear support integrative-structure is the splicing of tightening at corresponding link 211 of the pre-connection of finishing two anchor ear monomers 1 on ground (loosening connection status) and two half side supports 21, finish the pre-connection (loosening connection status) that each half side support 21 and corresponding homonymy half hoop 11 protrude connecting portions 12 simultaneously, by lifting means described anchor ear support integrative-structure is risen to circular pier 4 predetermined altitudes then, after waiting to finish adjustment, the bolt that carries out again between half hoop 11 is tightened connection work.
From the above mentioned, anchor ear support integrative-structure of the present utility model can be before being fixed in bridge pier, a large amount of preparations are finished on ground in advance, avoid the horizontal connection rod member of existing structure high and medium shellfish thunder boom support need distinguish bolt in the high-altitude, the situation that workload is big and the bolt process is difficult for is with the simple and safety of installation process that guarantees anchor ear support integrative-structure.And, in the anchor ear support integrative-structure of the present utility model, fixedly connected by protruding connecting portion 12 between support 2 and the anchor ear 1, rather than just set up shellfish thunder boom support at two tie point places of two half of anchor ears as existing structure, therefore, support stability in the utility model is better, and can not influence effective friction area of anchor ear monomer, guarantees the supporting capacity requirement.
As shown in Figure 1 and Figure 2, described each half side support 21 is respectively at the rack beam place of top and the bottom, along second half side stand 21 extensions of 1 liang of side direction of anchor ear described link 211 is set, in the present embodiment, each half side support 21 is provided with four links 211 to second half side stand 21 extensions respectively; The corresponding link 211 of two halves side stand 21 is connected (as shown in Figure 3) by a scab 212 with high-strength bolt; Rack beam can be i iron described in the present embodiment.
Further, in the utility model, in order to simplify installation process, described scab 212 can be welded on 211, two half side supports of link, the 21 butt joint backs of one of them half side support 21 in advance as long as scab 212 is fixing with link 211 bolts of second half side stand 21.
In the utility model, behind two semicircles, half hoop, the 11 corresponding bolts of described each anchor ear monomer 1, the radius of anchor ear monomer 1 is identical with circular pier 4 radiuses; Before the fixed installation, because each anchor ear monomer 1 all adopts pre-connection (pine connects) mode to be set in circular pier 4 bottoms, so that upwards promote along circular pier 4, therefore, the slightly larger in diameter of each anchor ear monomer 1 is in the diameter of circular pier 4 before promoting.
In a kind of preferred embodiment of the present utility model, as Fig. 4, shown in Figure 5, the protrusion connecting portion 12 that described half hoop 11 is provided with is made of a projection 121, and projection 121 is arranged on the medium position in half hoop, 11 outsides, is beneficial to the bottom girder 212 and its fixed installation of support 2.As shown in Figure 6, described projection 121 is welded in half hoop 11 by the steel plate of horizontal and vertical setting and constitutes; Described projection 121 is provided with bolt hole 1211 (as Fig. 7, shown in Figure 8), and the bottom girder 212 of described half side support 21 also is provided with corresponding bolt hole (not shown), passes two corresponding bolt hole bolts by bolt 1212.Foot-piece described in the present embodiment 212 can be i iron.
In the utility model, as shown in Figure 7, the bolt hole 1211 on the described projection 121 is for regulating the microscler bolt hole of half hoop, 11 positions; When anchor ear monomer 1 rises to the setting height of bridge pier and fixes two and half hoops 11, because the effect of pretightning force, distance between two and half hoops 11 can change, at this moment, because projection 121 is provided with described microscler bolt hole 1211, therefore, can make the distance adjustment between two and half hoops 11 comparatively convenient.
Further, for making anchor ear support integrative-structure of the present utility model when mounted, promote along circular pier 4 easily, and guarantee that lifting process is smooth and easy, in the utility model, as Fig. 9, Figure 10, Figure 11 and shown in Figure 12, each anchor ear monomer 1 top is provided with three at least and promotes guide position limiter 3; In a kind of preferred embodiment of the present utility model, because each anchor ear monomer 1 is to be made of two and half hoops 11, for making it stressed evenly, can be provided with four at each anchor ear monomer 1 top and promote guide position limiter 3, promptly each half hoop 11 is provided with two and promotes guide position limiter 3.
In the utility model, as Fig. 9, shown in Figure 10, described each lifting guide position limiter 3 comprises the holder 31 that is arranged at anchor ear 1 outside, described holder 31 is fixedly connected on anchor ear 1 outside by a fixed support 32, holder 31 is provided with a chute 311 that radially is provided with along anchor ear 1, fix a slide bar 312 in the chute 311 movably, slide bar 312 is provided with a pulley 313 towards an end of anchor ear 1.
During installation, at first anchor ear monomer 1 adopts loose connected mode to be enclosed within circular pier 4 bottoms, at this moment, keep certain interval (about about 2cm) between anchor ear monomer 1 and the circular pier 4, four slide bars 312 that promote guide position limiters 3 are moved and pulley 313 contact with circular pier 4 to circular pier 4 directions along chute 311, be fixed on slide bar 312 in the chute 311 by screw 314 again and make pulley 313 maintenances and circular pier 4 be in contact condition; By lifting means anchor ear support integrative-structure is upwards promoted along circular pier 4, this moment is because the effect of pulley 313 can smooth and easyly be carried out anchor ear support integrative-structure lifting process.After anchor ear support integrative-structure rises to the precalculated position, unclamp screw 314, slide bar 312 is moved to the direction away from circular pier 4 along chute 311, pulley 313 is broken away from and the contacting of circular pier 4, then, tighten half hoop bolt jointing part 111 of two correspondences fixing.
In a preferred embodiment of the present utility model, be earlier by design processing support 2, anchor ear monomer 1 and four scabs 212, four scabs 212 are welded on the link 211 of one of them half side support, do anchor ear monomer 1 bearingtest again, find out the corresponding relation of screwing force distance and bearing capacity, determine whether anchor ear monomer 1 bearing capacity meets the demands, loosening on the ground each half side support 21 and two and half hoops 11 of connecting, two anchor ear monomers 1 of loosening connection, and with bolt two half side support 21 bolts are tightened the support 1 connection work of finishing at four scab 212 places, install and fix eight guide position limiters 3 again, promote anchor ear support integrative-structure with lifting means then, adjust absolute altitude and plan-position, when absolute altitude and plan-position meet the demands, the pine of tightening corresponding two and half hoops, 11 pinned ends 111 by the screwing force of design apart from connection with torque-indicating wrencg connects, and forms two anchor ear monomers 1, tightens the bolt that half side support 21 is connected with the pine of corresponding half hoop afterwards again.After finishing above-mentioned steps, formwork, assembling reinforcement, concreting on support 2 are finished the bent cap construction.
In the utility model, the connecting bolt work of tightening between described half hoop 11 is finished with measuring spanner for force moment, and screw-down torque is consistent with the moment of bearing test.
In the utility model,,, can be covered with individual layer geotextiles (not shown) at described anchor ear monomer 1 inner surface to improve the supporting capacity of anchor ear support integrative-structure in order to increase the frictional force on described anchor ear monomer 1 inner surface and circular pier 4 surfaces; Described geotextiles not only can increase friction factor, also can play the certain protection effect to the external surface of circular pier 4.
Further, in the utility model,, can below support 2, increase by one the 3rd anchor ear monomer (not shown) to improve supporting capacity if when the effect friction area between the first and second anchor ear monomers 1 and the circular pier 4 can not meet the demands; The structure of described the 3rd anchor ear monomer reaches the connected mode with support 2, and is identical with the aforementioned first and second anchor ear monomers, do not repeat them here.
The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (10)
1. the anchor ear support integrative-structure of the only pier of circle, described this structure is fixedly installed on the circular pier, it is characterized in that: this structure includes first, second two at least between the upper and lower every the anchor ear monomer of setting and a support that connects with described two anchor ear monomers; Described each anchor ear monomer is to be made of two corresponding bolts of semicircular half hoop; Described each half hoop outside is provided with a connecting portion that protrudes; Described support is to be made of two corresponding bolts of half side support, each half side support is integral with the protrusion connecting portion bolt of the first and second anchor ear monomer homonymies, half hoop respectively, each half side support is respectively equipped with the link with another half side support bolt, the corresponding bolt of the described link of two half side supports.
2. the anchor ear support integrative-structure of the only pier of circle as claimed in claim 1 is characterized in that: described each half side support is provided with described link respectively at top and the bottom along second half side stand extension of anchor ear two side direction; The relative link of two halves side stand is connected with high-strength bolt by a scab.
3. the anchor ear support integrative-structure of the only pier of circle as claimed in claim 2 is characterized in that: described scab is welded on the wherein link of half side stand in advance.
4. the anchor ear support integrative-structure of the only pier of circle as claimed in claim 1 is characterized in that: described each anchor ear monomer radius is identical with the circular pier radius.
5. the anchor ear support integrative-structure of the only pier of circle as claimed in claim 1 is characterized in that: the protrusion connecting portion of described half hoop setting is made of a projection, and projection is provided with bolt hole, and described half side support is by its bottom girder and described projection bolt.
6. the anchor ear support integrative-structure of the only pier of circle as claimed in claim 5 is characterized in that: the bolt hole on the described projection is for regulating the microscler bolt hole of half hoop position.
7. the anchor ear support integrative-structure of the only pier of circle as claimed in claim 1 is characterized in that: each anchor ear monomer top is provided with three at least and promotes guide position limiter.
8. the anchor ear support integrative-structure of the only pier of circle as claimed in claim 7, it is characterized in that: described lifting guide position limiter comprises the holder that is arranged at the anchor ear outside, holder is provided with a chute that radially is provided with along anchor ear, fix a slide bar in the chute movably, slide bar is provided with a pulley towards an end of anchor ear.
9. the anchor ear support integrative-structure of the only pier of circle as claimed in claim 1, it is characterized in that: the inner surface of described anchor ear monomer is covered with the individual layer geotextiles.
10. the anchor ear support integrative-structure of the only pier of circle as claimed in claim 1 is characterized in that: described this structure can be set up one the 3rd anchor ear monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201901640U CN201128880Y (en) | 2007-11-15 | 2007-11-15 | Hold hoops and support integrated structure for circular single pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201901640U CN201128880Y (en) | 2007-11-15 | 2007-11-15 | Hold hoops and support integrated structure for circular single pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201128880Y true CN201128880Y (en) | 2008-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201901640U Expired - Lifetime CN201128880Y (en) | 2007-11-15 | 2007-11-15 | Hold hoops and support integrated structure for circular single pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201128880Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444278A (en) * | 2011-10-21 | 2012-05-09 | 中铁十七局集团第四工程有限公司 | Anchor ear with lift carrier roller and method for shifting concrete placement support system by the anchor ear |
| CN102486036A (en) * | 2010-12-03 | 2012-06-06 | 沈阳铝镁设计研究院有限公司 | Post-added triangular bracket supporting structure for concrete pile |
| CN102628253A (en) * | 2012-03-30 | 2012-08-08 | 中铁大桥局集团第五工程有限公司 | Self-floating type supporting bracket for bridge construction |
| CN103422470A (en) * | 2013-08-28 | 2013-12-04 | 郭岳 | Geotextile reinforced protecting reverse filtering material and reinforced reverse filtering and bridge pier protecting construction methods thereof |
| CN103693594A (en) * | 2013-12-02 | 2014-04-02 | 邵汉琦 | Streetlamp construction work platform |
| CN107542037A (en) * | 2017-09-28 | 2018-01-05 | 谢晓燕 | A kind of new supporting bracket of bridge construction |
| CN108978482A (en) * | 2018-08-23 | 2018-12-11 | 中国五冶集团有限公司 | The pin-connected panel support frame of circle pier capping beam is with its installation method |
| CN109555011A (en) * | 2019-01-17 | 2019-04-02 | 长安大学 | The composite construction and manufacture and assembly method of a kind of full precast pier and cushion cap |
| CN110499701A (en) * | 2018-05-18 | 2019-11-26 | 李竑靓 | A kind of bridge construction ruggedized construction and its reinforcement means |
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2007
- 2007-11-15 CN CNU2007201901640U patent/CN201128880Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486036A (en) * | 2010-12-03 | 2012-06-06 | 沈阳铝镁设计研究院有限公司 | Post-added triangular bracket supporting structure for concrete pile |
| CN102444278A (en) * | 2011-10-21 | 2012-05-09 | 中铁十七局集团第四工程有限公司 | Anchor ear with lift carrier roller and method for shifting concrete placement support system by the anchor ear |
| CN102444278B (en) * | 2011-10-21 | 2013-07-31 | 中铁十七局集团第四工程有限公司 | Anchor ear with lift carrier roller and method for shifting concrete placement support system by the anchor ear |
| CN102628253A (en) * | 2012-03-30 | 2012-08-08 | 中铁大桥局集团第五工程有限公司 | Self-floating type supporting bracket for bridge construction |
| CN103422470A (en) * | 2013-08-28 | 2013-12-04 | 郭岳 | Geotextile reinforced protecting reverse filtering material and reinforced reverse filtering and bridge pier protecting construction methods thereof |
| CN103693594A (en) * | 2013-12-02 | 2014-04-02 | 邵汉琦 | Streetlamp construction work platform |
| CN103693594B (en) * | 2013-12-02 | 2016-02-17 | 浙江大学城市学院 | Streetlamp construction work platform |
| CN107542037A (en) * | 2017-09-28 | 2018-01-05 | 谢晓燕 | A kind of new supporting bracket of bridge construction |
| CN107542037B (en) * | 2017-09-28 | 2018-12-04 | 谢志坚 | A kind of supporting bracket of bridge construction |
| CN110499701A (en) * | 2018-05-18 | 2019-11-26 | 李竑靓 | A kind of bridge construction ruggedized construction and its reinforcement means |
| CN108978482A (en) * | 2018-08-23 | 2018-12-11 | 中国五冶集团有限公司 | The pin-connected panel support frame of circle pier capping beam is with its installation method |
| CN109555011A (en) * | 2019-01-17 | 2019-04-02 | 长安大学 | The composite construction and manufacture and assembly method of a kind of full precast pier and cushion cap |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |