CN104963455A - Spiral space latticed steel bar connector with cone-shaped barrel and construction method for spiral space latticed steel bar connector - Google Patents
Spiral space latticed steel bar connector with cone-shaped barrel and construction method for spiral space latticed steel bar connector Download PDFInfo
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- CN104963455A CN104963455A CN201510392916.0A CN201510392916A CN104963455A CN 104963455 A CN104963455 A CN 104963455A CN 201510392916 A CN201510392916 A CN 201510392916A CN 104963455 A CN104963455 A CN 104963455A
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Abstract
The invention provides a spiral space latticed steel bar connector with a cone-shaped barrel and a construction method for the spiral space latticed steel bar connector. The spiral space latticed steel bar connector comprises the cone-shaped barrel, wherein a through hole is formed in the cone-shaped barrel; threads are formed on the hole wall of the through hole; the circumference of the large-diameter end of the cone-shaped barrel is connected with one end of each of at least two inclined supporting ribs; the other end of each longitudinal supporting rib is connected with a supporting ring; the outer walls of the multiple longitudinal supporting ribs are connected with spiral supporting ribs; the cone-shaped barrel, the inclined supporting ribs, the longitudinal supporting ribs, the spiral supporting ribs and the supporting rings are connected to form a latticed barrel body; a barrel cavity is formed in the latticed barrel body; a plurality of space lattices are distributed on the circumference of the space latticed barrel body. The preparation method for the spiral space latticed steel bar connector comprises the following steps of putting a columnar die into the barrel cavity, pouring concrete to the periphery of the columnar die, taking out the die, and pouring concrete into a connection hole to complete construction. According to the spiral space latticed steel bar connector, the structure of a steel bar connector in the prior art is completely changed, so that the shortcomings in the prior art are overcome.
Description
Technical field
The present invention relates to the reinforcing steel bar connecting device used on buildings, is a kind of spiral space networks trellis reinforcing bar connector and construction method thereof with boring cylinder.
Background technology
Existing reinforcing bar connector is commonly called as grout sleeve, and it adopts thicker barrel to increase the intensity of grout sleeve.But, when barrel is thicker, what then the diameter of sleeve must do is larger, and larger-diameter grout sleeve in use cannot meet the concrete thickness requirement of stirrup outward between span building outer wall outside the building unit of national regulation, this thickness is referred to as topping, for plate, the topping of wall requires to be at least 15 millimeters, the protective layer thickness of building girder or post at least 20 millimeters, the deficiency of this grout sleeve is: due to the limited space in prefabricated units, when longitudinal reinforcement invariant position, the requirement that protective layer thickness outside grout sleeve and on building unit between stirrup can not be up to state standards, for this reason, longitudinal reinforcement in the concrete of prefabricated units must internally movement between two parties, to reach the thickness requirement of the topping increased between reinforcing bar connector and building unit stirrup, but, this will cause longitudinal reinforcement far from the outer wall of prefabricated component, therefore the ability that result in the resist torque of body of wall also diminishes, thus the stress performance of prefabricated units is reduced, meanwhile, when the topping in prefabricated units reaches thicker requirement, then longitudinal reinforcement can be caused to move to centre, affect the ability of the resist torque of prefabricated units, when prefabricated structure reinforcing bar moves inward, the ability of resist torque diminishes, therefore, the longitudinal reinforcement of prefabricated units is uniform in the both sides of component, can not concentrate mobile to centre, this just requires that the diameter of grout sleeve diminishes, little as far as possible to the middle displacement of precast wall body to meet the longitudinal reinforcement that grout sleeve connects.But, the aperture of grout sleeve is less, grouting amount is lower, bonding strength is caused to reduce, and require that shear wall first horizontal distribution reinforcing bar is 50 millimeters bottom wall according to national standard, but, the height of grout sleeve is generally greater than 100 millimeters, outside the grout sleeve being positioned at body of wall edge member part or shear wall coupling part, must one horizontal hoop be at least set, in this case, when transverse reinforcement is established at grout sleeve position again, then transverse reinforcement distance prefabricated units outer wall is narrower, the requirement of thickness of concrete cover cannot be met, sometimes there is reinforcing steel bars exposed phenomenon, cause reinforcing bar easy-to-rust, and reinforcing bar and concrete cannot be made jointly stressed, have a strong impact on construction quality, in addition, existing grout sleeve in use, in order to the requirement that is up to state standards, need add cracking resistance reinforcing bar in body of wall, prevents the stressed rear generation crack of concrete component, causes construction cost to increase, and difficulty of construction increases, the trapezoidal projection of ring-type on grout sleeve inwall easily produces fracture, causes its intensity significantly to reduce.
Summary of the invention
The object of the invention is, a kind of spiral space networks trellis reinforcing bar connector and construction method thereof with boring cylinder are provided, make its thoroughly change structure of reinforcing bar connector of the prior art, thus solve the deficiency of prior art existence.
The present invention for achieving the above object, be achieved through the following technical solutions: a kind of spiral space networks trellis reinforcing bar connector with cone cylinder, comprise cone cylinder, through hole offered by cone cylinder, the hole wall of through hole arranges screw thread, the larger diameter end of cone cylinder is circumferentially connected with one end of at least 2 skewed horizontal load ribs, and the other end of every bar skewed horizontal load rib is connected with respective longitudinal bracing rib one end respectively, and many longitudinal bracing ribs are 360
0uniform in scope, the outer diameter of many longitudinal bracing ribs is identical with the larger diameter end external diameter of cone cylinder, the other end of every bar longitudinal bracing rib is connected with support ring, many longitudinal bracing rib outer walls connect spiral support rib, cone cylinder, skewed horizontal load rib, longitudinal bracing rib, spiral support rib and support ring connect and compose latticed cylindrical shell, a cylinder chamber is had, the several space lattice of circumferentially distribution of spatial network shape cylindrical shell in latticed cylindrical shell.Spiral support rib longitudinally ribs short transverse is uniformly distributed.One end of spiral support rib is connected with support ring, the other end is connected with longitudinal bracing rib.The maximum outside diameter D of spiral support rib is 30-80 millimeter.The shape of cross section of spiral support rib is circular or rectangle.The shape of cross section of longitudinal bracing rib is circular or rectangle, and the cross-sectional area of longitudinal bracing rib is greater than the cross-sectional area of spiral support rib.Longitudinal bracing rib is 3, every two longitudinal bracing ribs be spaced apart 120
0.
The construction method of described a kind of spiral space networks trellis reinforcing bar connector with cone cylinder, comprises the steps:
1. the spiral space networks trellis reinforcing bar connector of preparation band cone cylinder is for subsequent use, be with the spiral space networks trellis reinforcing bar connector of cone cylinder to have and comprise cone cylinder, through hole offered by cone cylinder, the hole wall of through hole arranges screw thread, the larger diameter end of cone cylinder is circumferentially connected with one end of at least 2 skewed horizontal load ribs, the other end of every bar skewed horizontal load rib is connected with respective longitudinal bracing rib one end respectively, and many longitudinal bracing ribs are 360
0uniform in scope, the outer diameter of many longitudinal bracing ribs is identical with the larger diameter end external diameter of cone cylinder, the other end of every bar longitudinal bracing rib is connected with support ring, many longitudinal bracing rib outer walls connect spiral support rib, cone cylinder, skewed horizontal load rib, longitudinal bracing rib, spiral support rib and support ring connect and compose latticed cylindrical shell, a cylinder chamber is had, the several space lattice of circumferentially distribution of spatial network shape cylindrical shell in latticed cylindrical shell;
2. by step 1. in band cone cylinder spiral space networks trellis reinforcing bar connector insert two need connect prefabricated units in any one prefabricated unit in, reinforcing bar one end in these prefabricated units is inserted in the cone cylinder of the spiral space networks trellis reinforcing bar connector of band cone cylinder, and makes the horizontal distribution muscle of these prefabricated units or stirrup be positioned at the space lattice of the spiral space networks trellis reinforcing bar connector of band cone cylinder;
3. getting columnar mould inserts in the cylinder chamber of the spiral space networks trellis reinforcing bar connector of band cone cylinder, at columnar mould periphery concreting;
4. after concrete reaches some strength, take out columnar mould, make to leave concrete connecting hole in the cylinder chamber of the spiral space networks trellis reinforcing bar connector of band cone cylinder;
5. the reinforcing bar in another prefabricated units is inserted in step connecting hole 4., construct after concreting in connecting hole complete.One end of spiral support rib is connected with support ring, the other end is connected with longitudinal bracing rib.The shape of cross section of longitudinal bracing rib is circular or rectangle, and the cross-sectional area of longitudinal bracing rib is greater than the cross-sectional area of spiral support rib.
Reinforcing bar connector is designed to the sped structure of the band cone cylinder be made up of reinforcing bar by the present invention, and it in use can meet the requirement of GB50010-2010 and JGJ1-2014 completely.When reinforcing bar connector grouting amount is constant, horizontal distribution muscle in prefabricated units or stirrup can be attached in latticed space that corresponding longitudinal bracing rib and spiral support rib intersect by it in construction, avoid the space that horizontal distribution muscle in prefabricated units and stirrup occupy reinforcing bar connector outside, the distance between the maximum outside diameter of reinforcing bar connector and body of wall outward flange is made to remain within designing requirement, thus ensure that construction quality, particularly at bridge, in the heavy construction that tunnel etc. use column more, the distance between the maximum outside diameter of reinforcing bar connector and the outward flange of concrete construction is made to maintain design thickness more than 20 millimeters, completely eliminate building hidden danger, and make the bending resistance of body of wall improve 30-40%.Due to the feature of the sped structure of band cone cylinder of the present invention, make the longitudinal bracing rib of reinforcing bar connector, the mutual power transmission of spiral support intercostal, make reinforcing bar connector uniform force, tensile strength reaches 615-645MPa, because the spiral space networks trellis reinforcing bar connector of band cone cylinder of the present invention does not need barrel, the own wt of reinforcing bar connector can be made to alleviate about 50%-60% to existing product, and reach comparatively high-tensile simultaneously, thus save building costs.Construction method of the present invention have be easy to construction, the advantages such as speed of application is fast, and in construction, the requirement of GB50010-2010 and JGJ1-2014 can be met completely simultaneously, the grouting amount of the grouting amount of reinforcing bar connector and prior art can be made to keep basically identical, horizontal distribution muscle or stirrup can be attached in latticed space that longitudinal bracing rib and arch brace rib intersect in construction, avoid the space that horizontal distribution muscle in prefabricated units and stirrup occupy reinforcing bar connector outside, the distance between the maximum outside diameter of reinforcing bar connector and body of wall outward flange is made to remain within designing requirement, thus solve various deficiency of the prior art, ensure that construction quality etc.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention; Accompanying drawing 2 is A-A sectional structure schematic diagrames in accompanying drawing 1; Accompanying drawing 3 is B-B sectional structure schematic diagrames in accompanying drawing 1; The cross sectional representation that accompanying drawing 4 reinforcing bar connector of the present invention uses in construction, the horizontal distribution muscle in main signal prefabricated units or stirrup are positioned at the position of reinforcing bar connector.
Detailed description of the invention
A kind of spiral space networks trellis reinforcing bar connector with cone cylinder of the present invention, comprise cone cylinder 1, through hole 6 offered by cone cylinder 1, the hole wall of through hole 6 arranges screw thread, the larger diameter end of cone cylinder 1 is circumferentially connected with one end of at least 2 skewed horizontal load ribs 2, the other end of every bar skewed horizontal load rib 2 is connected with respective longitudinal bracing rib 3 one end respectively, and many longitudinal bracing ribs 3 are 360
0uniform in scope, the outer diameter of many longitudinal bracing ribs 3 is identical with the larger diameter end external diameter of cone cylinder 1, the other end of every bar longitudinal bracing rib 3 is connected with support ring 5, many longitudinal bracing rib 3 outer walls connect spiral support rib 4, cone cylinder 1, skewed horizontal load rib 2, longitudinal bracing rib 3, spiral support rib 4 and support ring 5 connect and compose latticed cylindrical shell, a cylinder chamber 7 is had, the several space lattice 8 of circumferentially distribution of spatial network shape cylindrical shell in latticed cylindrical shell.Said structure of the present invention can make reinforcing bar connector in building operations, meet national standard requirement; the thickness of the topping of plate, wall in construction is made to reach more than 15 millimeters; the thickness of beam, post topping reaches more than 20 millimeters; this is that the reinforcing bar connector of the various structure in current this area is beyond one's reach thickness, and this protective layer thickness building hidden danger not up to standard is also be difficult to monitoring.The feature that the invention solves above-mentioned building hidden danger is very remarkable.Reinforcing bar connector of the present invention generally adopts ductile iron manufacture, the reinforcing bar connector prepared with the material of ductile iron 600-3 model, and its tensile strength is 615-645MPa.
Longitudinal bracing rib 3 of the present invention is 3-4 bar, it can make the horizontal distribution muscle of prefabricated units or stirrup be attached in the corresponding space lattice of reinforcing bar connector in construction, thus avoids the distance that horizontal distribution muscle or stirrup occupy reinforcing bar connector and building outer edge.
The further scheme of the present invention is: longitudinal bracing rib 3 is 3, every two longitudinal bracing ribs 3 be spaced apart 120
0this to make the preferred version that in building unit, horizontal cloth muscle or stirrup are adjacent in the space lattice of reinforcing bar connector; the distance between the maximum outside diameter of reinforcing bar connector and body of wall outward flange can be increased; the thickness of topping is made to remain within the requirement of design; thus significantly improve construction quality, and comparatively high-tensile can be reached.
Further scheme of the present invention is: spiral support rib 4 is 5-8, is distributed on the height of cylindric framework, while alleviating reinforcing bar connector own wt, tensile strength can be made to reach higher-strength.
The width L1 of longitudinal bracing rib 3 of the present invention is 3-10 millimeter, and the width L1 of longitudinal bracing rib 3 is equal with thickness H.This is preferred parameter and structure that the tensile strength of reinforcing bar connector reaches high value.
When the width L1 of longitudinal bracing rib 3 of the present invention is greater than the width L2 of spiral support rib 4, the tensile strength of reinforcing bar connector can be increased.
The construction method of a kind of spiral space networks trellis reinforcing bar connector with cone cylinder of the present invention, comprises the steps:
1. the spiral space networks trellis reinforcing bar connector of preparation band cone cylinder is for subsequent use, the spiral space networks trellis reinforcing bar connector of band cone cylinder has cone cylinder 1, through hole 6 offered by cone cylinder 1, the hole wall of through hole 6 arranges screw thread, the larger diameter end of cone cylinder 1 is circumferentially connected with one end of at least 2 skewed horizontal load ribs 2, the other end of every bar skewed horizontal load rib 2 is connected with respective longitudinal bracing rib 3 one end respectively, and many longitudinal bracing ribs 3 are 360
0uniform in scope, the outer diameter of many longitudinal bracing ribs 3 is identical with the larger diameter end external diameter of cone cylinder 1, the other end of every bar longitudinal bracing rib 3 is connected with support ring 5, many longitudinal bracing rib 3 outer walls connect spiral support rib 4, cone cylinder 1, skewed horizontal load rib 2, longitudinal bracing rib 3, spiral support rib 4 and support ring 5 connect and compose latticed cylindrical shell, a cylinder chamber 7 is had, the several space lattice 8 of circumferentially distribution of spatial network shape cylindrical shell in latticed cylindrical shell;
2. by step 1. in band cone cylinder spiral space networks trellis reinforcing bar connector insert two need connect prefabricated units in any one prefabricated unit in, reinforcing bar one end in these prefabricated units is inserted in the cone cylinder of the spiral space networks trellis reinforcing bar connector of band cone cylinder, and the horizontal distribution muscle of these prefabricated units or stirrup is positioned at the space lattice 8 of the cage reinforcing bar connector of band cone cylinder;
3. getting columnar mould inserts in the cylinder chamber 7 of the spiral space networks trellis reinforcing bar connector of band cone cylinder, at columnar mould periphery concreting;
4. after concrete reaches some strength, take out columnar mould, make to leave concrete connecting hole in the cylinder chamber 7 of the spiral space networks trellis reinforcing bar connector of band cone cylinder;
5. the reinforcing bar in another prefabricated units is inserted in step connecting hole 4., construct after concreting in connecting hole complete.The longitudinal bracing rib 3 of the spiral space networks trellis reinforcing bar connector of the band cone cylinder described in construction method of the present invention is 3-4 bar.Preferred scheme is longitudinal bracing rib 3 is 3, every two longitudinal bracing ribs 3 be spaced apart 120
0this to make the preferred version that in building unit, horizontal cloth muscle or stirrup are adjacent in the space lattice of reinforcing bar connector; the distance between the maximum outside diameter of reinforcing bar connector and body of wall outward flange can be increased; the thickness of topping is made to remain within the requirement of design; thus significantly improve construction quality, and comparatively high-tensile can be reached.The width L1 of described longitudinal bracing rib 3 is 3-10 millimeter, and the width L1 of longitudinal bracing rib 3 is equal with thickness H, and this is preferred parameter and structure that the tensile strength of reinforcing bar connector reaches high value.
Spiral support rib 4 in construction method of the present invention is 5-8, is distributed on the height of cylindric framework, while alleviating reinforcing bar connector own wt, tensile strength can be made to reach higher-strength.
When the width L1 of the longitudinal bracing rib 3 in construction method of the present invention is greater than the width L2 of spiral support rib 4, the tensile strength of reinforcing bar connector can be increased.In figure, D is space networks trellis cylindrical shell maximum outside diameter.
Claims (10)
1. the spiral space networks trellis reinforcing bar connector with cone cylinder, it is characterized in that: comprise cone cylinder (1), cone cylinder (1) offers through hole (6), the hole wall of through hole (6) arranges screw thread, the larger diameter end of cone cylinder (1) is circumferentially connected with one end of at least 2 skewed horizontal load ribs (2), the other end of every bar skewed horizontal load rib (2) is connected with respective longitudinal bracing rib (3) one end respectively, and many longitudinal bracing ribs (3) are 360
0uniform in scope, the outer diameter of many longitudinal bracing ribs (3) is identical with the larger diameter end external diameter of cone cylinder (1), the other end of every bar longitudinal bracing rib (3) is connected with support ring (5), many longitudinal bracing rib (3) outer walls connect spiral support rib (4), cone cylinder (1), skewed horizontal load rib (2), longitudinal bracing rib (3), spiral support rib (4) and support ring (5) connect and compose latticed cylindrical shell, a cylinder chamber (7) is had, the several space lattice of circumferentially distribution (8) of spatial network shape cylindrical shell in latticed cylindrical shell.
2. a kind of spiral space networks trellis reinforcing bar connector with cone cylinder according to claim 1, is characterized in that: spiral support rib (4) longitudinally ribs (3) short transverse is uniformly distributed.
3. a kind of spiral space networks trellis reinforcing bar connector with cone cylinder according to claim 1, is characterized in that: one end of spiral support rib (4) is connected with support ring (5), the other end is connected with longitudinal bracing rib (3).
4. a kind of spiral space networks trellis reinforcing bar connector with cone cylinder according to claim 1, is characterized in that: the maximum outside diameter D of spiral support rib (4) is 30-80 millimeter.
5. a kind of spiral space networks trellis reinforcing bar connector with cone cylinder according to claim 1, is characterized in that: the shape of cross section of spiral support rib (4) is circular or rectangle.
6. a kind of spiral space networks trellis reinforcing bar connector with cone cylinder according to claim 1, it is characterized in that: the shape of cross section of longitudinal bracing rib (3) is circular or rectangle, and the cross-sectional area of longitudinal bracing rib (3) is greater than the cross-sectional area of spiral support rib (4).
7. according to claim 1 a kind of with cone cylinder spiral space networks trellis reinforcing bar connector, it is characterized in that: longitudinal bracing rib (3) is 3, every two longitudinal bracing ribs (3) be spaced apart 120
0.
8. the construction method of a kind of spiral space networks trellis reinforcing bar connector with cone cylinder described in any one of claim 1-7, is characterized in that: comprise the steps:
1. the spiral space networks trellis reinforcing bar connector of preparation band cone cylinder is for subsequent use, the spiral space networks trellis reinforcing bar connector of band cone cylinder has to comprise bores cylinder (1), cone cylinder (1) offers through hole (6), the hole wall of through hole (6) arranges screw thread, the larger diameter end of cone cylinder (1) is circumferentially connected with one end of at least 2 skewed horizontal load ribs (2), the other end of every bar skewed horizontal load rib (2) is connected with respective longitudinal bracing rib (3) one end respectively, and many longitudinal bracing ribs 3 are 360
0uniform in scope, the outer diameter of many longitudinal bracing ribs 3 is identical with the larger diameter end external diameter of cone cylinder 1, the other end of every bar longitudinal bracing rib (3) is connected with support ring (5), many longitudinal bracing rib (3) outer walls connect spiral support rib (4), cone cylinder (1), skewed horizontal load rib (2), longitudinal bracing rib (3), spiral support rib (4) and support ring (5) connect and compose latticed cylindrical shell, a cylinder chamber (7) is had, the several space lattice of circumferentially distribution (8) of spatial network shape cylindrical shell in latticed cylindrical shell;
2. by step 1. in band cone cylinder spiral space networks trellis reinforcing bar connector insert two need connect prefabricated units in any one prefabricated unit in, reinforcing bar one end in these prefabricated units is inserted in the cone cylinder of the spiral space networks trellis reinforcing bar connector of band cone cylinder, and makes the horizontal distribution muscle of these prefabricated units or stirrup be positioned at the space lattice (8) of the spiral space networks trellis reinforcing bar connector of band cone cylinder;
3. getting columnar mould inserts in the cylinder chamber (7) of the spiral space networks trellis reinforcing bar connector of band cone cylinder, at columnar mould periphery concreting;
4. after concrete reaches some strength, take out columnar mould, make to leave concrete connecting hole in the cylinder chamber (7) of the spiral space networks trellis reinforcing bar connector of band cone cylinder;
5. the reinforcing bar in another prefabricated units is inserted in step connecting hole 4., construct after concreting in connecting hole complete.
9. the construction method of a kind of spiral space networks trellis reinforcing bar connector with cone cylinder according to claim 8, is characterized in that: one end of spiral support rib (4) is connected with support ring (5), the other end is connected with longitudinal bracing rib (3).
10. the construction method of a kind of spiral space networks trellis reinforcing bar connector with cone cylinder according to claim 8, it is characterized in that: the shape of cross section of longitudinal bracing rib (3) is circular or rectangle, and the cross-sectional area of longitudinal bracing rib (3) is greater than the cross-sectional area of spiral support rib (4).
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| CN201510392916.0A CN104963455B (en) | 2014-12-03 | 2015-07-07 | A kind of spiral space networks trellis reinforcing bar connector with cone cylinder and its construction method |
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| CN2014207470728 | 2014-12-03 | ||
| CN201510392916.0A CN104963455B (en) | 2014-12-03 | 2015-07-07 | A kind of spiral space networks trellis reinforcing bar connector with cone cylinder and its construction method |
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| CN201520484246.0U Active CN204781619U (en) | 2014-12-03 | 2015-07-07 | Space grid column structure steel bar connector of an area awl section of thick bamboo |
| CN201510393943.XA Active CN104963459B (en) | 2014-12-03 | 2015-07-07 | A kind of spatial mesh structure reinforcing bar connector and its construction method |
| CN201520482986.0U Active CN204781613U (en) | 2014-12-03 | 2015-07-07 | Cage space grid column structure steel bar connector of an area awl section of thick bamboo |
| CN201510393931.7A Active CN104963457B (en) | 2014-12-03 | 2015-07-07 | A kind of construction method of tubular spiral space network reinforcing bar connector |
| CN201510395234.5A Active CN104963460B (en) | 2014-12-03 | 2015-07-07 | A kind of space networks trellis structure reinforcing bars adapter with cone cylinder and its construction method |
| CN201520485756.XU Active CN204781621U (en) | 2014-12-03 | 2015-07-07 | Space grid structure steel bar connector |
| CN201510395233.0A Active CN104963464B (en) | 2014-12-03 | 2015-07-07 | A kind of internal ring tubular spatial mesh structure reinforcing bar connector construction method |
| CN201520485759.3U Active CN204781622U (en) | 2014-12-03 | 2015-07-07 | Spiral space grid form steel bar connector of an area awl section of thick bamboo |
| CN201510392945.7A Active CN104963456B (en) | 2014-12-03 | 2015-07-07 | Construction method for cage type space latticed structural steel bar connector with cone-shaped barrel |
| CN201510392916.0A Active CN104963455B (en) | 2014-12-03 | 2015-07-07 | A kind of spiral space networks trellis reinforcing bar connector with cone cylinder and its construction method |
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| CN201520484246.0U Active CN204781619U (en) | 2014-12-03 | 2015-07-07 | Space grid column structure steel bar connector of an area awl section of thick bamboo |
| CN201510393943.XA Active CN104963459B (en) | 2014-12-03 | 2015-07-07 | A kind of spatial mesh structure reinforcing bar connector and its construction method |
| CN201520482986.0U Active CN204781613U (en) | 2014-12-03 | 2015-07-07 | Cage space grid column structure steel bar connector of an area awl section of thick bamboo |
| CN201510393931.7A Active CN104963457B (en) | 2014-12-03 | 2015-07-07 | A kind of construction method of tubular spiral space network reinforcing bar connector |
| CN201510395234.5A Active CN104963460B (en) | 2014-12-03 | 2015-07-07 | A kind of space networks trellis structure reinforcing bars adapter with cone cylinder and its construction method |
| CN201520485756.XU Active CN204781621U (en) | 2014-12-03 | 2015-07-07 | Space grid structure steel bar connector |
| CN201510395233.0A Active CN104963464B (en) | 2014-12-03 | 2015-07-07 | A kind of internal ring tubular spatial mesh structure reinforcing bar connector construction method |
| CN201520485759.3U Active CN204781622U (en) | 2014-12-03 | 2015-07-07 | Spiral space grid form steel bar connector of an area awl section of thick bamboo |
| CN201510392945.7A Active CN104963456B (en) | 2014-12-03 | 2015-07-07 | Construction method for cage type space latticed structural steel bar connector with cone-shaped barrel |
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| CN108222376B (en) * | 2018-02-13 | 2023-07-11 | 柳州桂桥缆索有限公司 | Steel strand connector of pretensioned beam for constructional engineering and use method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104963460B (en) | 2017-03-01 |
| CN104963460A (en) | 2015-10-07 |
| CN204781622U (en) | 2015-11-18 |
| CN104963457A (en) | 2015-10-07 |
| CN104963455B (en) | 2017-03-01 |
| CN204781619U (en) | 2015-11-18 |
| CN104963459A (en) | 2015-10-07 |
| CN104963459B (en) | 2017-03-01 |
| CN104963456A (en) | 2015-10-07 |
| CN104963464A (en) | 2015-10-07 |
| CN104963457B (en) | 2017-06-06 |
| CN104963464B (en) | 2017-03-01 |
| CN204781621U (en) | 2015-11-18 |
| CN104963456B (en) | 2017-05-10 |
| CN204781613U (en) | 2015-11-18 |
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