CN113914550A - Flexible connection node of non-collinear reinforcing steel bar mechanical sleeve - Google Patents
Flexible connection node of non-collinear reinforcing steel bar mechanical sleeve Download PDFInfo
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- CN113914550A CN113914550A CN202111207893.3A CN202111207893A CN113914550A CN 113914550 A CN113914550 A CN 113914550A CN 202111207893 A CN202111207893 A CN 202111207893A CN 113914550 A CN113914550 A CN 113914550A
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- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 167
- 239000010959 steel Substances 0.000 claims abstract description 167
- 238000001125 extrusion Methods 0.000 claims abstract description 36
- 238000010276 construction Methods 0.000 claims abstract description 21
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims abstract 5
- 238000010079 rubber tapping Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 238000007514 turning Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 abstract description 4
- 238000004873 anchoring Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 239000011440 grout Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/166—Connectors or means for connecting parts for reinforcements the reinforcements running in different directions
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- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a flexible connection node of a non-collinear steel bar mechanical sleeve, wherein a steel wire ring, a T-shaped sleeve, a first end part of a threaded steel bar and a double sleeve are respectively arranged at two ends of a steel wire rope; each double sleeve is internally provided with a thread which can be sleeved in a bidirectional rotating way, one end of the double sleeve is connected with the first end part of the steel bar with the thread, and the other end of the double sleeve is connected with the inner sleeve section of the T-shaped sleeve; each T-shaped sleeve comprises an inner sleeve section and an extrusion section, the inner sleeve section is sleeved into the double sleeves in a threaded mode, and the threads in the extrusion section are connected with the end portion of the steel wire rope with the steel wire ring in an extrusion and anchoring mode. The flexible connection mode formed by the steel wire ropes can connect the non-collinear prefabricated part reinforcing bars, so that the construction deviation is more easily met, the safe stress of the nodes is ensured, the operation is simpler, and the problem of connection in the reinforcing bar output butt joint construction deviation range of the prefabricated parts is solved.
Description
Technical Field
The invention relates to a grouting sleeve connecting node, in particular to an assembly type non-collinear steel bar mechanical sleeve flexible connecting node, and belongs to the field of assembly type building construction.
Background
The requirements of technical regulations of prefabricated concrete structures are as follows: the superposed beams can be in butt joint connection, and the longitudinal steel bars at the lower parts of the beams are in mechanical connection, grouting sleeve connection and welding connection in the post-pouring section. The steel bar connection length required by mechanical connection is short, but the requirement of the mechanical connection on the manufacturing accuracy of the member is extremely high, and if deviation occurs, the later-stage deviation rectifying process is extremely complex; and by adopting welding connection, a heat affected zone is arranged near a welding seam, the material at the position becomes brittle, welding residual stress and residual strain are easy to generate, cracks are easy to expand, and the fracture is easy to break at low temperature.
Aiming at the problems, the prior art mainly adopts a grouting sleeve connection technology, the grouting sleeve connection needs to separate a grouting process of steel bar connection and concrete pouring of member connection, the construction process is extremely complicated, the precision requirement is high, the grouting sleeve is high in manufacturing cost, and the grouting sleeve is not suitable for large-area use. In the work progress, grout muffjoint appears about connecting reinforcement not on same straight line easily, great deviation appears. Meanwhile, due to construction errors, the upper cross section and the lower cross section of the joint of the components are not parallel, so that the upper connecting steel bar and the lower connecting steel bar are too long or too short.
Disclosure of Invention
Aiming at the defects of high precision requirement and high manufacturing cost of the mechanical sleeve connection mode, the invention provides the flexible connection node of the non-collinear steel bar mechanical sleeve, which forms flexible connection, can avoid construction errors caused by the fact that upper and lower connection steel bars are not in the same straight line and errors caused by too long or too short steel bars to be connected, and can realize rapid assembly of the node by adopting the connection.
In order to solve the technical problems, the invention adopts the following technical scheme:
a flexible connection node of a non-collinear steel bar mechanical sleeve comprises a steel wire rope, a first end part threaded steel bar, two double sleeves, two steel wire rings, two T-shaped sleeves and a second end part threaded steel bar; the first end part threaded steel bar and the second end part threaded steel bar are prefabricated steel bars to be connected, and steel wire rings, T-shaped sleeves, the first end part threaded steel bar and double sleeves are symmetrically arranged at two ends of the steel wire rope; one end of a screw thread which can be sleeved in the double sleeves in a bidirectional rotating mode is connected with the first end part of the steel bar with the screw thread, and the other end of the screw thread is connected with the inner sleeve section of the T-shaped sleeve; each T-shaped sleeve comprises an inner sleeve section and an extrusion section, the inner sleeve section is sleeved into the double sleeves in a threaded manner, and the threads in the extrusion section are connected with the end part of the steel wire rope with the steel wire coil in an extrusion manner through an extrusion anchor; the extrusion section is fixed with the end part of the steel wire rope with the steel wire coil in an extrusion way, and the non-collinear second end part of the threaded steel bar is flexibly connected; the internal threads of each double sleeve are threadedly connected to either the first end threaded rebar or the second end threaded rebar.
In order to further achieve the purpose of the invention, preferably, the non-collinear steel bar mechanical sleeve flexible connection node is characterized in that the T-shaped sleeve threads, the first end part of the steel bar with threads and the second end part of the steel bar with threads are processed to meet the requirements of the acceptance criteria of construction quality of concrete structure engineering.
Preferably, the processing of the thread end of the inner sleeve section, the thread end of the extrusion section and the inner threads of the double sleeves of the T-shaped sleeve meets the requirements of technical regulations on mechanical connection of reinforcing steel bars on the length of the threads of the sleeves and the distance between threads.
Preferably, the threads are formed by turning, milling, tapping, threading, grinding and whirling machining;
preferably, the threaded tapping section length of the first end portion threaded steel bar and the second end portion threaded steel bar is larger than that of the inner side threaded tapping section sleeved into the double sleeve.
Preferably, the thread tapping section of the inner sleeve section of the T-shaped sleeve is longer than the thread tapping section of the outer side sleeved into the double sleeve.
Preferably, the length of the steel wire ring is larger than that of the threaded tapping section sleeved into the T-shaped sleeve extrusion section.
Preferably, the steel wire ring is formed by spirally bending a steel wire with the diameter of 5 mm.
Preferably, the distance between the steel wire rings and the end of the steel wire bundle is not more than 2mm when the steel wire rings are sleeved on the end of the steel wire bundle.
Preferably, when the end part of the steel wire bundle of the steel wire ring is sleeved into the extrusion section of the T-shaped sleeve, the distance is not more than 2mm
Compared with the prior art, the invention has the beneficial effects that:
1. the flexible connecting joint of the assembled non-collinear reinforcing steel bar mechanical sleeve is formed by flexible steel wire bundles, can be used for connecting non-collinear reinforcing steel bars, is easier to meet construction deviation, ensures the safe stress of the joint, is simpler to operate, and solves the problem of connection of prefabricated parts in a deviation range of bar-outlet butt joint construction.
2. The flexible connecting joint of the assembled non-collinear steel bar mechanical sleeve can avoid the influence caused by overlong or overlong length of the upper end part threaded steel bar and the lower end part threaded steel bar due to the fact that the upper cross section and the lower cross section of the connecting part of the components are not parallel by reserving the thread lengths of the double sleeve and the T-shaped sleeve.
3. The manufacturing cost of the flexible connection joint of the assembled non-collinear steel bar mechanical sleeve is low compared with the existing grouting sleeve connected by prefabricated parts, and meanwhile, the post-pouring section mode for steel bar lapping is more reliable in stress, wider in application range, less in post-pouring area and higher in industrialization degree.
4. The T-shaped sleeve and the steel wire bundle with the wire coil are connected in an extruding mode through the extruding anchor, and rapid assembly of the joint can be achieved during construction.
Drawings
Fig. 1 is a schematic structural diagram of an assembled non-collinear reinforcing steel bar mechanical sleeve flexible connection node.
Fig. 2 is a schematic cross-sectional view of the first end portion of the rebar of fig. 1.
FIG. 3 is a top view of the dual socket of FIG. 1
Fig. 4 is a cross-sectional view of the dual socket of fig. 3.
Fig. 5 is a top view of the T-sleeve of fig. 1.
Fig. 6 is a bottom view of the T-sleeve of fig. 1.
Fig. 7 is a cross-sectional view of the T-shaped sleeve of fig. 5.
Fig. 8 is a cross-sectional view of the center line of the wire coil of fig. 1.
Fig. 9 is a schematic cross-sectional view of the second end-threaded rebar of fig. 1.
FIG. 10 is a schematic diagram of an application example of the flexible connection node of the fabricated non-collinear rebar mechanical sleeve of the present invention.
FIG. 11 is a schematic top view of an example of an application of the fabricated non-collinear rebar mechanical sleeve flexible connection node of the present invention.
The figures show that: the steel wire rope comprises a first end part threaded steel bar 1, a double sleeve 2, double sleeve inner side steel bar threads 2-1, double sleeve outer side steel bar threads 2-2, a T-shaped sleeve 3, a T-shaped sleeve inner sleeve section 3-1, a T-shaped sleeve extrusion section 3-2, a steel wire ring 4, a steel wire rope 5, a second end part threaded steel bar 6 and a precast beam 7.
Detailed Description
For a better understanding of the present invention, the present invention will be further described with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, a flexible connection node of a non-collinear steel bar mechanical sleeve comprises a first end part threaded steel bar 1, a double sleeve 2, a T-shaped sleeve 3, a steel wire ring 4, a steel wire bundle 5 and a second end part threaded steel bar 6; the first end part threaded steel bar 1 and the second end part threaded steel bar 6 are steel bars to be connected of prefabricated parts, and the two ends of the steel wire bundle 5 are respectively provided with a double sleeve 2, a T-shaped sleeve 3 and a steel wire ring 4; each T-shaped sleeve 3 comprises an inner sleeve section 3-1 and an extrusion section 3-2, and end reinforcing steel bar threads are arranged at the end parts of the inner sleeve section 3-1 and the extrusion section 3-2; each double sleeve 2 is a cylinder without a through hole and is sequentially connected by a first end part provided with a threaded steel bar 1 and a T-shaped sleeve inner sleeve section 3-1; the double-sleeve inner steel bar thread 2-1 is connected with the first end part of the steel bar with the thread 1, and the double-sleeve outer steel bar thread 2-2 is connected with the T-shaped sleeve inner sleeve section 3-1; the steel wire ring 4 is sleeved into the end part of the steel wire rope 5 to form a whole, and the whole is sleeved into the T-shaped sleeve extrusion section 3-2 and then is extruded and fixed through an extrusion anchor; the other end of the steel wire rope 5 is sleeved in the second steel wire ring 4 and then is connected with the extrusion section of the second T-shaped sleeve in an extrusion manner through an extrusion anchor.
As shown in fig. 2, fig. 3, fig. 4 and fig. 9, the length of the tapping section of the first end portion threaded steel bar 1 or the second end portion threaded steel bar 6 is greater than the length of the steel bar thread 2-1 inside the double sleeve, so as to ensure the connection strength between the first end portion threaded steel bar 1 or the second end portion threaded steel bar 6 and the double sleeve 2 respectively, and have enough strength to ensure the force transmission between the steel bars.
As shown in fig. 4, the double sleeve 2 is sized according to the diameter of the connecting bar, hot-rolled by a die to have a uniform wall thickness, and then machined with a tapered slope and a thread by a lathe. Wherein the double-sleeve inner side steel bar thread 2-1 and the double-sleeve outer side steel bar thread 2-2 are formed by turning, milling, tapping, threading, grinding and whirlwind cutting.
As shown in fig. 5, 6 and 7, the inner sleeve section 3-1 and the extrusion section 3-2 of the T-shaped sleeve have the same diameter, so as to facilitate the related process during processing.
As shown in fig. 8, the bead ring 4 is preferably formed by spirally bending a steel wire having a diameter of 4-6mm, and is hollow inside so as to be inserted into the end of the steel wire rope.
The first end part threaded steel bar 1 and the second end part threaded steel bar 6 of the invention are processed to meet the requirements of acceptance criteria of construction quality of concrete structure engineering (GB 50204-2015).
The processing of the double-sleeve inner steel bar thread 2-1, the double-sleeve outer steel bar thread 2-2, the T-shaped sleeve inner sleeve section 3-1 and the T-shaped sleeve extrusion section 3-2 also meets the requirements of mechanical connection technical specifications of steel bars (JGJ107-2016) on the length of the sleeve thread and the thread pitch; the strength of the end threaded steel bars and the double-sleeve connection is guaranteed, the force transmission between the steel bars is guaranteed due to sufficient strength, and meanwhile, according to the actual situation, the length of the thread tapping section of the hemispherical end steel bar is long, so that the influence of errors caused by the fact that the upper connecting steel bar and the lower connecting steel bar are too short due to construction is avoided.
According to the invention, the first end part threaded steel bar 1 and the lower second end part threaded steel bar 6 can be connected in a staggered manner through the connection of the middle steel bar bundles, so that the requirement on construction precision is lowered. And the tendon belongs to flexible material, can adapt to the bigger dislocation connection of first end portion threaded steel bar 1 or the second end portion threaded steel bar 6 error.
The double sleeve 2 can be quickly connected with a steel wire rope, the first end part threaded steel bar 1 and the second end part threaded steel bar 6, and a novel combined flexible steel bar mechanical sleeve connecting joint can be quickly assembled on a construction site.
The assembling process of the flexible connecting joint of the assembled non-collinear steel bar mechanical sleeve is as follows: the first end part threaded steel bar 1 and the second end part threaded steel bar 6 are respectively connected with the corresponding inner side threads of the double sleeves through threads, and the outer side threads of the double sleeves are connected with the inner sleeve section 3-1 of the T-shaped sleeve; the T-shaped sleeve 3 is connected with the end part of the steel wire bundle 5 with the steel wire ring 4 through extrusion anchor extrusion to complete integral connection.
Examples
The superposed beams can be in butt joint connection, longitudinal steel bars at the lower parts of the beams are in mechanical connection, grouting sleeve connection and welding connection in a post-pouring section, wherein the steel bar connection length required by the mechanical connection is short, but the mechanical connection has extremely high requirements on the manufacturing accuracy of components, and if deviation occurs, the later-stage deviation rectifying process is extremely complex; and by adopting welding connection, a heat affected zone is arranged near a welding seam, the material at the position becomes brittle, welding residual stress and residual strain are easy to generate, cracks are easy to expand, and the fracture is easy to break at low temperature. Aiming at the problems, the prior art mainly adopts a grouting sleeve connection technology, the grouting sleeve connection needs to separate a grouting process of steel bar connection and concrete pouring of member connection, the construction process is extremely complicated, the precision requirement is high, the grouting sleeve is high in manufacturing cost, and the grouting sleeve is not suitable for large-area use. In the work progress, grout muffjoint appears about connecting reinforcement not on same straight line easily, great deviation appears. Meanwhile, due to construction errors, the upper cross section and the lower cross section of the joint of the components are not parallel, so that the upper connecting steel bar and the lower connecting steel bar are too long or too short.
Aiming at the defects of high precision requirement and high manufacturing cost of the mechanical sleeve connection mode, the invention provides the flexible connection node of the assembled non-collinear steel bar mechanical sleeve, which can be connected in a certain space range and has a large rotatable angle, so that construction errors caused by the fact that upper and lower connection steel bars are not in the same straight line and errors caused by the fact that the steel bars to be connected are too long or too short can be avoided, and meanwhile, the node can be quickly assembled by fixedly connecting the upper and lower connection steel bars through an extrusion anchor.
As shown in fig. 10 and 11, the precast beam 7 has an upper longitudinal rib and a lower longitudinal rib, the two upper longitudinal ribs are through-length longitudinal ribs inserted after hoisting, the lower longitudinal rib is a to-be-connected longitudinal rib of a cast-in-place part of the precast test piece, four to-be-connected longitudinal ribs are provided in fig. 10 and 11, two connecting nodes of the present invention are required to connect the two longitudinal ribs two by two, and meanwhile, the lower to-be-connected longitudinal rib is a tensile longitudinal rib of the precast beam 7 for bearing the bending moment applied to the test piece. And hoisting the two corresponding precast beams 7 to the designed designated positions on the project site, placing the steel bars of the precast beams 7 on the same axis, and starting assembling the nodes after positioning and rechecking without errors. In the assembly process, as shown in fig. 1, a first end part threaded steel bar 1 and a second end part threaded steel bar 6 are screwed with the corresponding inner side threads 2-1 of the double sleeve 2 through threads, the double sleeve 2 is screwed with the T-shaped sleeve inner sleeve section 3-1 through the outer side threads 2-2, and the T-shaped sleeve extrusion section 3-2 is connected with the end part of the steel wire bundle 6 with the steel wire ring 5 through extrusion anchor extrusion, so that the construction of the whole connection node is completed.
The existing technology is mainly a grouting sleeve connection technology, the grouting sleeve connection needs to separate a grouting process of steel bar connection and concrete pouring of member connection, the construction process is extremely complicated, the precision requirement is high, the grouting sleeve is high in manufacturing cost, and the grouting sleeve is not suitable for large-area use. In the work progress, grout muffjoint appears about connecting reinforcement not on same straight line easily, great deviation appears. Meanwhile, due to construction errors, the upper cross section and the lower cross section of the joint of the components are not parallel, so that the upper connecting steel bar and the lower connecting steel bar are too long or too short.
In the flexible connection node of the assembled non-collinear steel bar mechanical sleeve, a large moving range is provided through the combined action of the double sleeves and the steel wire bundles, the offset between the upper end part threaded steel bar 1 and the lower end part threaded steel bar 7 which can accommodate a prefabricated test piece is large, and the construction precision requirement is low.
It should be noted that the protection scope of the present invention is not limited to the above-mentioned embodiments, and other equivalent modifications, substitutions or alterations can be made without departing from the basic technical idea of the invention.
Claims (10)
1. A flexible connection node of a non-collinear steel bar mechanical sleeve is characterized by comprising a steel wire rope, a first end part threaded steel bar, two double sleeves, two steel wire rings, two T-shaped sleeves and a second end part threaded steel bar; the first end part threaded steel bar and the second end part threaded steel bar are prefabricated steel bars to be connected, and a steel wire ring, a T-shaped sleeve, the first end part threaded steel bar and a double sleeve are respectively arranged at two ends of the steel wire rope; each double sleeve is internally provided with a thread which can be sleeved in a bidirectional rotating way, one end of the double sleeve is connected with the first end part of the steel bar with the thread, and the other end of the double sleeve is connected with the inner sleeve section of the T-shaped sleeve; each T-shaped sleeve comprises an inner sleeve section and an extrusion section, the inner sleeve section is sleeved into the double sleeves in a threaded manner, and the threads in the extrusion section are connected with the end part of the steel wire rope with the steel wire coil in an extrusion manner through an extrusion anchor; the extrusion section is fixed with the end part of the steel wire rope with the steel wire coil in an extrusion way, and the non-collinear second end part of the threaded steel bar is flexibly connected; the internal threads of each double sleeve are threadedly connected to either the first end threaded rebar or the second end threaded rebar.
2. The non-collinear flexible connection joint of a steel bar mechanical sleeve according to claim 1, wherein the T-shaped sleeve thread, the first end portion threaded steel bar and the second end portion threaded steel bar are processed to meet the requirements of national standard GB50204-2015 acceptance for construction quality of concrete structure engineering.
3. The non-collinear flexible connection joint for the steel bar mechanical sleeves according to claim 1, wherein the processing of the thread end of the inner sleeve section, the thread end of the extrusion section and the threads on the inner side of the double sleeves of the T-shaped sleeve meets the requirements of national standard JGJ107-2016 technical Specification for connection of steel bar mechanical connectors on the length of the threads of the sleeve and the distance between the threads.
4. A non-collinear mechanical sleeve flexible joint as defined in claim 1 wherein said threads are formed by turning, milling, threading, grinding, milling, and whirling.
5. A non-collinear mechanical sleeve flexible joint of steel reinforcing bars as defined in claim 1 wherein said first end threaded reinforcing bar and said second end threaded reinforcing bar have a threaded tap length greater than the length of the internal threaded tap length of the double sleeve.
6. The flexible connection node of non-collinear mechanical sleeve for reinforcing steel according to claim 1, wherein said inner sleeve section of the T-shaped sleeve has a greater length of threaded tapping than the outer threaded tapping section of the double sleeve.
7. The non-collinear mechanical sleeve flexible joint of steel reinforcement of claim 1 wherein said traveler is longer than the length of the threaded tap section that is inserted into the extruded section of the T-shaped sleeve.
8. The non-collinear mechanical sleeve flexible joint of steel reinforcement as recited in claim 1, wherein said wire loop is formed by helically bending a wire having a diameter of 4-6 mm.
9. The non-collinear mechanical rebar sleeve flexible connection node of claim 8, wherein the wire loop is helically bent from a wire having a diameter of 5 mm.
10. The non-collinear steel bar mechanical sleeve flexible connection node according to claim 1, wherein when the steel wire ring is sleeved on the end of the steel wire bundle, the distance between the steel wire ring and the steel wire bundle is not more than 2 mm; and when the end part of the steel wire bundle of the steel wire ring is sleeved into the extrusion section of the T-shaped sleeve, the distance is not more than 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207893.3A CN113914550A (en) | 2021-10-18 | 2021-10-18 | Flexible connection node of non-collinear reinforcing steel bar mechanical sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207893.3A CN113914550A (en) | 2021-10-18 | 2021-10-18 | Flexible connection node of non-collinear reinforcing steel bar mechanical sleeve |
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| CN113914550A true CN113914550A (en) | 2022-01-11 |
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| CN202111207893.3A Pending CN113914550A (en) | 2021-10-18 | 2021-10-18 | Flexible connection node of non-collinear reinforcing steel bar mechanical sleeve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517561A (en) * | 2022-02-14 | 2022-05-20 | 同济大学 | Flexible rib prefabricated assembly connecting structure and construction method thereof |
| CN115182506A (en) * | 2022-07-14 | 2022-10-14 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated part with self-adaptive steel bar deflection sleeve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204876357U (en) * | 2015-08-31 | 2015-12-16 | 裴唯雅 | Cable wire steel bar connector |
| WO2017185193A1 (en) * | 2016-04-26 | 2017-11-02 | 苏犁 | Double-eccentric-block connecting joint for connecting steel bars of precast members |
| CN108643367A (en) * | 2018-05-18 | 2018-10-12 | 中石化广州工程有限公司 | A kind of connection structure of precast reinforced concrete beam column and connection method |
| CN111691606A (en) * | 2020-07-10 | 2020-09-22 | 华南理工大学建筑设计研究院有限公司 | Assembled double-hinged steel bar mechanical sleeve connecting joint |
| CN211714375U (en) * | 2019-12-27 | 2020-10-20 | 中铁第一勘察设计院集团有限公司 | Steel bar connecting joint of prefabricated concrete structure |
-
2021
- 2021-10-18 CN CN202111207893.3A patent/CN113914550A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204876357U (en) * | 2015-08-31 | 2015-12-16 | 裴唯雅 | Cable wire steel bar connector |
| WO2017185193A1 (en) * | 2016-04-26 | 2017-11-02 | 苏犁 | Double-eccentric-block connecting joint for connecting steel bars of precast members |
| CN108643367A (en) * | 2018-05-18 | 2018-10-12 | 中石化广州工程有限公司 | A kind of connection structure of precast reinforced concrete beam column and connection method |
| CN211714375U (en) * | 2019-12-27 | 2020-10-20 | 中铁第一勘察设计院集团有限公司 | Steel bar connecting joint of prefabricated concrete structure |
| CN111691606A (en) * | 2020-07-10 | 2020-09-22 | 华南理工大学建筑设计研究院有限公司 | Assembled double-hinged steel bar mechanical sleeve connecting joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517561A (en) * | 2022-02-14 | 2022-05-20 | 同济大学 | Flexible rib prefabricated assembly connecting structure and construction method thereof |
| CN115182506A (en) * | 2022-07-14 | 2022-10-14 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated part with self-adaptive steel bar deflection sleeve |
| CN115182506B (en) * | 2022-07-14 | 2023-09-29 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated part with self-adaptive steel bar deflection sleeve |
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Application publication date: 20220111 |