CN210368607U - Joint structure of prefabricated reinforced concrete pier or column - Google Patents
Joint structure of prefabricated reinforced concrete pier or column Download PDFInfo
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- CN210368607U CN210368607U CN201920978878.0U CN201920978878U CN210368607U CN 210368607 U CN210368607 U CN 210368607U CN 201920978878 U CN201920978878 U CN 201920978878U CN 210368607 U CN210368607 U CN 210368607U
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Abstract
The utility model discloses a joint design of prefabricated reinforced concrete mound or post contains segment one and segment two, the terminal surface of end one is equipped with recess one, the terminal surface of end two is equipped with recess two, be equipped with end plate one on the terminal surface of end one, be equipped with end plate two on the terminal surface of end two, end plate one and end plate two are connected with the staple bolt respectively, make end one and the concatenation of end two, be equipped with the vertical arc hole one of a plurality of on the end one, be equipped with the vertical arc hole two of a plurality of on the end two, every be equipped with the arc bolt in the through-hole that arc hole one and the arc hole two that correspond formed, be equipped with the piece that shears in the cavity that recess one and the concatenation of recess two formed. Adopt this structure effectively to improve installation quality, efficiency of construction and the security of joint department, reduce the construction degree of difficulty, the concatenation node shear effect is good, improves the connection reliability greatly, prolongs the life of mound or post, the later stage maintenance of being convenient for.
Description
Technical Field
The utility model relates to a prefabricated technical field that connects, in particular to joint design of prefabricated reinforced concrete mound or post.
Background
Grouting connection is a main connection method of vertical prefabricated part longitudinal stress steel bars in an assembled concrete structure, and grouting connection quality is a key point influencing structure safety. Usually, the precast concrete member is firstly hoisted to a designated position and installed on the existing structure at the lower part, and during installation, connecting steel bars extending upwards from the lower part structure are respectively inserted into sleeves or reserved holes corresponding to the bottoms of the precast members installed at the upper part, or the steel bars are welded and connected, and then grouting is carried out for compaction.
The grouting sleeve connection is a reliable connection mode, however, in the actual grouting link, the defect of insufficient grouting fullness is often caused by objective or human factors, and the grouting tightness cannot be completely determined through the fullness condition of the surface of the member and the grout outlet hole, so that potential safety hazards exist, the reliability is seriously influenced particularly for a vertical member with large dynamic load and large size, a large number of supports and templates need to be erected on site in grouting, the risk is high, the efficiency is low, the cost is high, the workload of steel bar welding operation before pouring is large, the welding quality is difficult to detect, the quality is difficult to guarantee, and the anti-pulling effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the reliable connected mode of current vertical prefabricated component and have welding jobs work load big, it is inefficient, difficult inspection, the closely knit nature of grout is difficult to the inspection, consequently has the potential safety hazard, seriously influences the above-mentioned not enough such as reliability, provides the joint design of prefabricated reinforced concrete mound or post.
In order to achieve the above object, the present invention provides the following technical solutions:
a joint structure of a prefabricated reinforced concrete pier or column comprises a first segment and a second segment, wherein the first end of the first segment and the second end of the second segment are used for being assembled with each other, a first groove is formed in the end face of the first end, a second groove is formed in the end face of the second end, the first groove and the second groove are matched with each other, a first end plate is arranged on the end face of the first end, a second end plate is arranged on the end face of the second end, the first end plate and the second end plate are matched with each other, the first end and the second end plate are respectively connected with a hoop, the first end and the second end are spliced, the outer size of the hoop is matched with the outer size of the pier or column, a plurality of vertical first arc-shaped holes are formed in the first end, a plurality of vertical second arc-shaped holes are formed in the second end, each first arc-shaped hole is matched with the corresponding second arc-shaped hole, and each first arc-shaped hole and the corresponding second arc-shaped hole, and a shear resistant block is arranged in a cavity formed by splicing the first groove and the second groove.
Adopt the utility model discloses a joint design of prefabricated reinforced concrete mound or post, be equipped with end plate one on the terminal surface of end one, be equipped with end plate two on the terminal surface of end two, end plate one and end plate two mutually adapt, contain the adaptation of size and position promptly, end plate one and end plate two are connected with the staple bolt respectively, promptly after butt joint of end plate one and end plate two, wrap up the outside of end plate one and the outside of end plate two respectively through the staple bolt, and respectively with end plate one and end plate two be connected, make end one and end two splice each other, the external dimension adaptation mound or the external dimension of post of staple bolt, promptly respectively after hugging closely end plate one and end plate two, the external dimension adaptation mound or the external dimension of post of staple bolt to can inspect the fastening degree of hugging closely, confirm the connection quality; the cavity that recess one and recess two can splice formation set up the piece that shears in the cavity, the shape and size of the piece that shears all with the cavity adaptation, the piece that shears can cooperate end plate one and end plate two on the one hand as the location structure of end one and end two concatenation, and on the other hand cooperates the arc bolt effectively to strengthen the effect of shearing, improves the atress performance of junction, and staple bolt, piece and arc bolt that shears all easily inspect its quality and installation quality in the concatenation process, can effectively carry out the location butt joint again, ensure the straightness that hangs down of mound or post, the pre-buried or reservation of end plate one, end plate two, recess one, recess two, arc hole one and arc hole two is all accomplished at prefabricated link, and accuracy control is better, and this structure utilizes the thinking of steel construction to solve the firm butt joint problem of concrete mound or post, effectively improves the installation quality of joint department, Efficiency of construction and security have avoided the uncertainty of a large amount of steel bar welding work and hidden engineering inspection, reduce the construction degree of difficulty, and the concatenation node effect of shearing is good, improves the connection reliability greatly, prolongs the life of mound or post, the later stage maintenance of being convenient for.
Preferably, a first end plate is provided with a first plurality of vertical plates, a second end plate is provided with a second plurality of vertical plates, the first vertical plates are located in the first section, and the second vertical plates are located in the second section.
Preferably, all the riser one intervals welded connection on the end plate one, all the riser two intervals welded connection on the end plate two.
By adopting the arrangement mode, the anti-shearing device is respectively positioned inside the first segment and the second segment, so that the anti-shearing performance of the first end head and the second end head is effectively improved.
Further preferably, each first vertical plate is provided with at least one first hole, each second vertical plate is provided with at least one second hole, all the first holes are used for arranging stirrups at one end part of the end head, and all the second holes are used for arranging stirrups at two end parts of the end head.
By adopting the arrangement mode, namely when the stirrups are bound, the stirrups at one end part of the end head penetrate through the first hole corresponding to the height, and the stirrups at the two end parts of the end head penetrate through the second hole corresponding to the height, so that the connection integrity of the first end plate and the first end head and the connection integrity of the second end plate and the second end head are respectively improved.
Further preferably, the first arc-shaped hole and the first vertical plate are arranged in a staggered mode, and the second arc-shaped hole and the second vertical plate are arranged in a staggered mode.
Namely, one arc-shaped hole I is arranged between two adjacent vertical plates I, and one arc-shaped hole II is arranged between two adjacent vertical plates II.
Further preferably, all the first periphery evenly distributed along end one of arc hole, all the second periphery evenly distributed along end two of arc hole, all the first circumference evenly set up along end plate one of riser, all the second circumference evenly set up along end plate two of riser.
Preferably, the outer wall of the first end plate is provided with first sawteeth, the outer wall of the second end plate is provided with second sawteeth, and the first sawteeth and the second first sawteeth can be matched and connected with third sawteeth on the inner wall of the hoop.
Further preferably, the first end plate and the second end plate are both of an annular structure, and the first saw teeth, the second saw teeth and the third saw teeth are all of an annular structure.
The hoop, the first end plate and the second end plate are respectively clasped to form occlusion through the sawtooth structures, and the shear strength and the connection stability are further improved.
Preferably, the hoop comprises at least one hoop unit, and all the hoop units are connected end to form the hoop.
By adopting the arrangement mode, the hoops are convenient to clamp and mount.
Preferably, the anchor ears are respectively connected to the first end plate and the second end plate through bolts.
Preferably, a concrete protective layer is arranged on the outer side of the hoop.
By adopting the arrangement mode, the attractive appearance of the joint can be improved, the hoop structure is effectively sealed, the corrosion is prevented, and the connection stability is improved.
Preferably, the shear block is a steel box or a reinforced concrete block, and the shear block is located in the center of the end face of the first end.
Preferably, the shape and size of the first groove and the second groove are the same, and the shape and size of the first end plate and the second end plate are the same.
Namely, the structure of the first end head and the structure of the second end head are symmetrically arranged, so that standardized design and processing are facilitated.
To sum up, compare with prior art, the beneficial effects of the utility model are that:
1. adopt a joint design of prefabricated reinforced concrete mound or post, utilize the firm butt joint problem of concrete mound or post of thinking solution of steel construction, all easily inspect its quality and installation quality at the concatenation process, can effectively advance the butt joint again, effectively improve the installation quality, efficiency of construction and the security of joint department, the uncertainty of having avoided a large amount of steel bar welding work and concealed engineering inspection, reduce the construction degree of difficulty, concatenation node shear effect is good, improve the connection reliability greatly, the life of extension mound or post, the later stage maintenance of being convenient for.
Description of the drawings:
fig. 1 is a schematic structural view of a joint structure of a prefabricated reinforced concrete pier or column according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
fig. 4 is an expanded view of the hoop.
The labels in the figure are: 1-first end, 2-second end, 3-shear block, 41-first end plate, 42-second end plate, 5-hoop, 6-arc bolt, 71-first vertical plate, 72-second vertical plate, 81-first hole, 82-second hole and 9-concrete protective layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-3, the joint structure of prefabricated reinforced concrete pier or column of the present invention comprises a first segment and a second segment, wherein the cross-sectional shape of the pier or column can be circular, rectangular or other polygonal shapes, the embodiment only illustrates a circular cross-section, and the first end 1 of the first segment and the second end 2 of the second segment are used for assembling with each other.
The end face of the first end 1 is provided with a first groove, the end face of the second end 2 is provided with a second groove, the first groove and the second groove are preferably located at the centers of the corresponding end faces respectively, the first groove and the second groove are mutually matched, the first groove can be in a circular shape, a rectangular shape or other polygonal shapes, the first groove and the second groove are identical in shape and size, and a shear block 3 is arranged in a cavity formed by splicing the first groove and the second groove, specifically, the shear block 3 is a steel box or a reinforced concrete block.
Be equipped with end plate one 41 on the terminal surface of end first 1, be equipped with end plate two 42 on the terminal surface of end two 2, the mutual adaptation of end plate one 41 and end plate two 42 contains the equal adaptation of position and size, and is preferred the shape and size of end plate one 41 and end plate two 42 is equal, promptly the structure of end plate one 41 with the mutual symmetry setting of structure of end plate two 42 is convenient for carry out standardized design and processing, end plate one 41 and end plate two 42 are connected with staple bolt 5 respectively, make end first 1 and end two 2 splice, promptly after end plate one 41 and end plate two 42 dock, pass through staple bolt 5 wraps up respectively in the outside of end plate one 41 and the end plate two 42 outside, and respectively with end plate one and end plate two are connected, make end first and end two splice each other, the outer dimension adaptation mound or the column of staple bolt 5 outside size, promptly hold respectively behind end plate one 41 and end plate two 42, the outer dimension of the anchor ear 5 is matched with the outer dimension of the pier or the column so as to conveniently check the clasping fastening degree, confirm the connection quality and facilitate fastening and installation.
Preferably, as illustrated in this embodiment, the first end plate 41 and the second end plate 42 are both of an annular structure, and the first end plate 41 and the second end plate 42 are both of a double-layer annular structure, the two rings of the first end plate 41 are concentric, the two rings of the second end plate 42 are concentric, the two concentric rings of the first end plate 41 are connected through the first connecting plate, and the two concentric rings of the first end plate 42 are connected through the second connecting plate.
Preferably, the outer wall of the first 41 outer rings of end plate is equipped with first sawtooth, the outer wall of the second 42 outer rings of end plate is equipped with the second sawtooth, first sawtooth and first sawtooth second can be connected with the cooperation of the third sawtooth of staple bolt 5 inner wall simultaneously, preferably, first sawtooth, second sawtooth and third sawtooth are the loop configuration, staple bolt 5's expansion chart is shown as figure 4, makes through annular sawtooth structure form the round interlock when staple bolt 5 and first 41 of end plate and second 42 of end plate are held respectively and are connect, further improves shear strength and connection stability.
Further preferably, the hoop 5 comprises at least one hoop unit, and all the hoop units are connected end to form the hoop 5.
Preferably, as shown in fig. 4, the anchor ear 5 is connected to the first end plate 41 and the second end plate 42 through bolts at the upper and lower ends, and the bolts are connected with locknuts.
Preferably, be equipped with a plurality of riser 71 on the end plate 41, be equipped with two 72 of a plurality of riser on the end plate 42, further preferred, all a 71 interval welded connection of riser is in on the end plate 41, all two 72 interval welded connection of riser are in on the end plate 42, a riser 71 is located in section one, a riser 72 is located in section two, be located respectively promptly section one and section two's inside effectively improves the shearing resistance of end head 41 and end head two 42.
Further preferably, each first riser 71 is provided with at least one first hole 81, each second riser 72 is provided with at least one second hole 82, all the first holes 81 are used for setting the stirrups at the end of the first end 1, all the second holes 82 are used for setting the stirrups at the end of the second end, that is, when the stirrups are bound, the stirrups at the end of the first end 1 pass through the first holes 81 at the corresponding height, and the stirrups at the end of the second end 2 pass through the second holes 82 at the corresponding height, so as to respectively improve the connection integrity of the first end plate 41 and the first end and the connection integrity of the second end plate 42 and the second end, that is, each first riser 71 is arranged along the annular radial direction of the first end plate 41, and each second riser 72 is arranged along the annular radial direction of the second end plate 42, and the steel stirrups are not shown in the figure.
Still be equipped with the vertical arc hole of a plurality of on the end 1, be equipped with the vertical arc hole two of a plurality of on the end two 2, every arc hole one and the mutual adaptation of the arc hole two that correspond, every be equipped with arc bolt 6 in the through-hole that arc hole one and the arc hole two that correspond formed, arc hole one is located the inboard of end plate one 41, arc hole two is located the inboard of end plate two 42, like in this embodiment, arc hole one is located between the outer loop and the inner ring of end plate one 41, arc hole two is located between the outer loop and the inner ring of end plate two 42, promptly arc hole one passes connecting plate one, arc hole two passes connecting plate two, further improve the wholeness of high-end head one and end two.
Further preferably, all first periphery evenly distributed along end one of arc hole, all second periphery evenly distributed along end two of arc hole, all first circumference evenly set up along end plate one of riser, all second circumference evenly set up along end plate two of riser, first arc hole sets up with riser 71 is crisscross, two crisscross settings with riser 72 of arc hole are equipped with one between two adjacent risers 71 promptly arc hole one is equipped with one between two adjacent risers 72 arc hole two.
Preferably, staple bolt 5 outside is equipped with concrete protection layer 9, concrete protection layer 9 adopts cast-in-place mode to accomplish, and the volume of pouring is less, and its degree of difficulty, work load, closely knit requirement all are less than the grout of wet joint and connect, can improve the pleasing to the eye degree of joint department simultaneously, effectively seal staple bolt 5 structure, prevent to corrode, improve connection stability.
By adopting the joint structure of the prefabricated reinforced concrete pier or column, the shear resistant block 3 can be matched with the first end plate 41 and the second end plate 42 to be used as a positioning structure for splicing the first end plate and the second end plate, on the other hand, the shear resistant effect is effectively enhanced by matching with the arc bolt 6, the stress performance of the joint is improved, the anchor ear 5, the shear resistant block 3 and the arc bolt 6 are easy to inspect the quality and the installation quality in the splicing process, and can also be effectively positioned and butted to ensure the verticality of the pier or column, the pre-embedding or the reservation of the first end plate 41, the second end plate 42, the first groove, the second groove, the first arc hole and the second arc hole are all completed in the prefabricating link, the precision control is better, the structure utilizes the thinking of a steel structure to solve the stable butt joint problem of the concrete pier or column, effectively improves the installation quality, the construction efficiency and the safety of the joint, avoids the uncertainty of a large amount of, the construction degree of difficulty is reduced, and the effect of shearing is good at the concatenation node, improves the connection reliability greatly, prolongs the life of mound or post, the later stage maintenance of being convenient for.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a joint structure of prefabricated reinforced concrete mound or post, its characterized in that contains segment one and segment two, the end two (2) of segment one (1) and segment two are used for assembling each other, the terminal surface of end one (1) is equipped with recess one, the terminal surface of end two (2) is equipped with recess two, recess one and recess two looks mutual adaptation, be equipped with end plate one (41) on the terminal surface of end one (1), be equipped with end plate two (42) on the terminal surface of end two (2), end plate one (41) and end plate two (42) mutual adaptation, end plate one (41) and end plate two (42) are connected with staple bolt (5) respectively, make end one (1) and end two (2) splice, the outer dimension adaptation mound or the outer dimension of post of staple bolt (5), be equipped with the vertical arc hole one of a plurality of on the end one (1), the end two (2) is provided with a plurality of vertical arc-shaped holes two, each arc-shaped hole one is matched with the corresponding arc-shaped hole two, each arc-shaped bolt (6) is arranged in a through hole formed by the arc-shaped hole one and the corresponding arc-shaped hole two, and the shear block (3) is arranged in a cavity formed by splicing the groove one and the groove two.
2. The joint construction of claim 1, wherein a first riser (71) is provided on the first header (41), a second riser (72) is provided on the second header (42), the first riser (71) being located in the first segment, and the second riser (72) being located in the second segment.
3. The joint construction according to claim 2, characterized in that each of the first risers (71) is provided with at least one first hole (81), each of the second risers (72) is provided with at least one second hole (82), all the first holes (81) are used for arranging stirrups at the ends of the first terminals (1), and all the second holes (82) are used for arranging stirrups at the ends of the second terminals (2).
4. The joint construction of claim 2, wherein the first arcuate hole is staggered with respect to the first riser (71), and the second arcuate hole is staggered with respect to the second riser (72).
5. The joint structure of claim 1, wherein the outer wall of the first end plate (41) is provided with first saw teeth, the outer wall of the second end plate (42) is provided with second saw teeth, and the first saw teeth and the second first saw teeth can be simultaneously matched and connected with third saw teeth on the inner wall of the hoop (5).
6. The coupling arrangement of claim 5, wherein the first endplate (41) and the second endplate (42) are both ring-shaped structures and the first serration, the second serration, and the third serration are all ring-shaped structures.
7. The joint construction according to claim 6, characterized in that the hoop (5) comprises at least one hoop unit, all of which hoop units are connected end to form the hoop (5).
8. The joint construction according to any of claims 1-7, c h a r a c t e r i z e d in that the anchor ear (5) is bolted to the first end plate (41) and the second end plate (42), respectively.
9. The joint construction according to any of the claims 1-7, characterized in that the outer side of the hoop (5) is provided with a concrete protective layer (9).
10. The joint construction according to any of claims 1-7, c h a r a c t e r i z e d in that the shear block (3) is a steel box or a reinforced concrete block, the shear block (3) being located in the centre of the end face of the first end piece (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978878.0U CN210368607U (en) | 2019-06-26 | 2019-06-26 | Joint structure of prefabricated reinforced concrete pier or column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978878.0U CN210368607U (en) | 2019-06-26 | 2019-06-26 | Joint structure of prefabricated reinforced concrete pier or column |
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| CN210368607U true CN210368607U (en) | 2020-04-21 |
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| CN201920978878.0U Active CN210368607U (en) | 2019-06-26 | 2019-06-26 | Joint structure of prefabricated reinforced concrete pier or column |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258304A (en) * | 2019-06-26 | 2019-09-20 | 中铁二十三局集团建筑设计研究院有限公司 | A kind of joint structure of prefabricated reinforced concrete pier or column |
| CN114541252A (en) * | 2022-04-07 | 2022-05-27 | 安徽省交通规划设计研究总院股份有限公司 | Segment prestress assembled pier with core column and construction method |
-
2019
- 2019-06-26 CN CN201920978878.0U patent/CN210368607U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258304A (en) * | 2019-06-26 | 2019-09-20 | 中铁二十三局集团建筑设计研究院有限公司 | A kind of joint structure of prefabricated reinforced concrete pier or column |
| CN114541252A (en) * | 2022-04-07 | 2022-05-27 | 安徽省交通规划设计研究总院股份有限公司 | Segment prestress assembled pier with core column and construction method |
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