CN116005808A - Rolling tensioning node of beam string and construction method thereof - Google Patents
Rolling tensioning node of beam string and construction method thereof Download PDFInfo
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- CN116005808A CN116005808A CN202310113932.6A CN202310113932A CN116005808A CN 116005808 A CN116005808 A CN 116005808A CN 202310113932 A CN202310113932 A CN 202310113932A CN 116005808 A CN116005808 A CN 116005808A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 44
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 23
- 239000002023 wood Substances 0.000 claims abstract description 23
- 238000010079 rubber tapping Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000010008 shearing Methods 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
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Abstract
The invention relates to a rolling tensioning node of a string beam and a construction method thereof, comprising the following steps: the side surface of the upper connecting piece is provided with a round hole for penetrating a tapping screw to be connected with a wood stay bar; the left lug plate and the right lug plate are connected with the upper connecting piece through welding seams, holes are formed in the lug plates, the positions of the holes are correspondingly determined by the diameter and the position of the inhaul cable, and the diameters of the holes are correspondingly determined by the size of the U-shaped bolts; the cable cavity consists of two side plates and is connected with the upper connecting piece through a welding line; the roller and the rolling shaft are fixed in the cable cavity through the rolling shaft, the cable penetrates into the cable cavity and is tightly attached to the roller, and the position of the rolling shaft and the size of the roller are correspondingly determined by the position of the cable; the U-shaped bolt is used for fixing the cable body after the cable is tensioned, and the U-shaped bolt is buckled with the cable body and then passes through the bolt holes of the left lug plate and the right lug plate and is screwed; the invention has simple structure and convenient installation, utilizes the rolling friction of the roller to replace the sliding friction between the node and the cable body, reduces the prestress loss caused by friction force in the tensioning process, and solves the problem of full fixation after the cable is tensioned.
Description
Technical Field
The invention belongs to the technical field of building structure engineering, and particularly relates to a rolling tensioning node of a beam string and a construction method thereof.
Background
The string beam structure is a self-balancing system formed by connecting an upper string bending component and a lower string inhaul cable through a stay bar. The concept of the string-tensioning structure is applied to a large-span laminated wood structure, the tensile property of the high-strength inhaul cable and the compressive property of the upper string wood beam can be fully exerted, the stress performance of the whole structure is improved, the buckling member and the tensile member complement each other, and the buckling member and the tensile member work cooperatively to achieve self-balance, and the effect of each structural material is fully exerted.
In the string structure, the tension of the inhaul cable needs to ensure that the strain of the inhaul cable can be freely transmitted between different nodes of the same inhaul cable, so that the structure obtains uniform prestress, when the prestress reaches an expected level, the inhaul cable and the nodes need to be fixed, the loss of the prestress generated by the relative displacement between the inhaul cable and the nodes is prevented, and the structural measures which can reduce the friction force to ensure that the inhaul cable slides smoothly and lock the inhaul cable to meet the requirement of the using stage are adopted.
The existing inhaul cable node mainly comprises four basic types of screw rod connecting nodes, cable clamping nodes, lug plate pin connecting nodes and slidable nodes, the combination of the basic types of the nodes can be adopted, in engineering, the node which allows the inhaul cable to slide at the node in the construction stage and does not allow the inhaul cable to slide in the use stage is formed by combining the slidable nodes and the cable clamping nodes, but the problem of pretension loss caused by larger friction force still exists, and when the material of the tension chord girder is wood, the connecting nodes are required to meet the requirements, and the convenient connection between the node and the wood member is required to be realized.
Disclosure of Invention
Accordingly, the main objective of the present invention is to provide a rolling tension node for a bridge and a construction method thereof, so as to solve the technical problems in the prior art.
The technical scheme that this application provided is:
a bridge roll tension node comprising: the side surface of the upper connecting piece is provided with a round hole for a self-tapping screw to penetrate into to be connected with the wood stay bar; the left lug plate and the right lug plate are fixedly connected to the two sides of the upper connecting piece, openings are formed in the two groups of lug plates, the positions of the openings are correspondingly determined by the diameter and the position of the inhaul cable, the diameter of the openings is correspondingly determined by the size of the U-shaped bolt, and the openings are connected with the upper connecting piece through welding seams; the lower end of the upper connecting piece is provided with a cable cavity which consists of two side plates and is connected with the upper connecting piece through a welding line; the cable cavity is internally provided with a rolling shaft and a rolling wheel, the rolling wheel is fixed in the cable cavity through the rolling shaft, the cable penetrates into the cable cavity and is tightly attached to the rolling wheel, and the position of the rolling shaft and the size of the rolling wheel are correspondingly determined by the position of the cable and the axial force of the stay bar; the U-shaped bolt is used for fixing the cable body after the cable is tensioned, and the U-shaped bolt is buckled on the cable body and then penetrates through bolt holes of the left lug plate and the right lug plate to be screwed.
Further, the dimension b of the internal cavity of the upper connecting piece is slightly larger than the dimension of the section of the wood stay, and the dimension of the section of the wood stay is set to be 1-2 mm, so that the wood stay is conveniently inserted into the cavity of the lower connecting piece and connected through self-tapping screws.
Furthermore, the tensioning and fixing of the inhaul cables with different positions and different diameters can be realized by changing the value of the included angle alpha and the positions and the diameters of the left ear plate and the right ear plate.
Further, the rollers are designed as variable cross-section rollers, so that the inhaul cable is automatically adjusted to the middle position of the rollers, eccentric stress is avoided, and the rollers can be guaranteed to rotate freely.
Further, the inner clear distance of the U-shaped bolt is 1-3 mm larger than the diameter of the inhaul cable so as to avoid clamping the inhaul cable before screwing.
Further, the node should carry out the checking calculation of the roller shearing bearing capacity under the action of the vertical component V of the maximum cable force according to the rule of the current national standard 'steel structure design standard' GB 50017:
wherein d a The diameter of the roller is measured in mm and f v The shear strength of the roller is measured in N/mm 2 。
Further, the node should carry out checking calculation of the shearing bearing capacity of the left ear plate and the right ear plate under the action of the vertical component V of the maximum cable force according to the specification of the current national standard 'steel structure design standard' GB 50017:
wherein t is the thickness of the ear plate, the unit is set to be mm, a 1 The unit is set to be mm and f is the edge distance of the bolt hole v For shear strength of the ear plate, the unit is set to N/mm 2 。
Further, the joint should carry out the welding seam strength of the left ear plate, the right ear plate and the upper connecting piece under the action of the vertical component V of the maximum cable force according to the specification of the current national standard 'steel structure design standard' GB 50017:
wherein sigma f Is stress perpendicular to the length direction of the welding line, and the unit is N/mm 2 ，τ f In N/mm for shear stress along the length of the weld 2 ，h e Calculated thickness in mm for fillet weld, 0.7h f ，h f For the size of the solder fillet l w Calculating the length of the welding line, taking l 1 -2h f ，f f w Designed value for the strength of the welding seam, the unit is N/mm 2 ，β f The coefficient is increased for the design value of the strength of the front fillet weld, and the beta is increased for the structure which bears static load and indirectly dynamic load f ＝1.22。
On the other hand, the application also protects the construction method of the rolling tensioning node of the beam string, which comprises the following steps:
s1: inserting a roller into the roller, inserting two ends of the roller into openings on two side plates forming a rope cavity, and fixing the roller;
s2: the cable cavity is welded with the upper connecting piece;
s3: marking and positioning the left ear plate and the right ear plate, and welding and connecting the left ear plate and the right ear plate with an upper connecting piece;
s4: the wooden stay bar is inserted into the upper connecting piece and is connected with the tapping screw by an electric hand drill;
s5: the inhaul cable passes through the cable cavity, is tightly attached to the roller and can slide along with the rotation of the roller, and a U-shaped bolt is arranged, but the inhaul cable does not need to be screwed, so that the inhaul cable is tensioned;
s6: stretching the inhaul cable to a specified pretension force, adjusting the angle of the wood stay bar to ensure the vertical direction, and tightening the U-shaped bolt to fix the inhaul cable.
Further, the control parameters to be considered by the node design include: the method is characterized in that: the control parameters to be considered by the node design include: left and right ear plate angle alpha, ear plate bolt hole diameter d c Edge distance a 1 、b 1 Distance a 2 、b 2 Thickness t of lug plate and welding seam length l of lug plate and upper connecting piece 1 Diameter d of roller a The dimension b of the cavity of the upper connecting piece, the diameter of the self-tapping screw and the clearance distance inside the U-shaped bolt.
Based on the technical scheme, the rolling tensioning node of the beam string and the construction method thereof have at least one of the following advantages compared with the prior art:
1. the invention has simple structure, convenient processing and installation, clear and reliable force transmission and attractive node form;
2. according to the invention, the rollers are arranged at the lower nodes of the string beams, rolling friction force is used for replacing sliding friction force, so that the excessive prestress loss caused by friction in the tensioning process of the inhaul cable is effectively avoided, the uniform strain distribution of each section of the inhaul cable is ensured, and meanwhile, the method for arranging the rollers as variable-section rollers to ensure the centering of node force lines is provided;
3. the invention provides that the U-shaped bolt is installed but not screwed before tensioning, and the U-shaped bolt is screwed after tensioning to realize the fixation of the inhaul cable, so that the prestress loss generated by the relative displacement between the node and the inhaul cable is avoided;
4. according to the invention, the left ear plate and the right ear plate can be inclined by a certain angle according to corresponding parameters, and the stretching and fixing of the inhaul cables with different positions and different diameters can be realized by adjusting the positions and the diameters of the left ear plate and the right ear plate.
4. According to the invention, only axial pressure is borne by the stay bar, the connection between the node and the wood stay bar is realized through the self-tapping screw, and the connection is convenient and quick, and the design is reasonable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the composition of a rolling tension node of a beam string;
FIG. 2 is a parameter symbol annotation diagram of a rolling tensioning node of the beam string;
FIG. 3 is a schematic structural view of the connector of the present application;
FIG. 4 is a schematic view of the structure of the roller, roller and cable after contact;
FIG. 5 is a front view of a structure of a rolling tensioning node of a post-tensioning bridge of a cable installed in the present application;
FIG. 6 is a side view of a structure of a rolling tension node of a post-tensioned bridge with a cable installed in the present application;
fig. 7 is an assembly drawing of the rolling tension node of the beam string applied to the beam string.
1. An upper connecting piece; 2. a left ear plate; 3. a right ear plate; 4. a cable cavity; 5. a roller; 6. a roller; 7. u-shaped bolts.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-7, the rolling tensioning node for a bridge string provided in the present application includes: the upper connecting piece 1 and the U-shaped bolt 7 are arranged, the side surface of the upper connecting piece 1 is provided with a round hole, and the round hole is used for penetrating a tapping screw to be connected with a wood stay bar; the two sides of the upper connecting piece 1 are fixedly connected with a left lug plate 2 and a right lug plate 3, openings are formed in the two groups of lug plates, the positions of the openings are correspondingly determined by the diameter and the position of a inhaul cable, the diameter of the openings is correspondingly determined by the size of a U-shaped bolt, and the openings are connected with the upper connecting piece 1 through welding seams; the lower end of the upper connecting piece 1 is provided with a cable cavity 4 which consists of two side plates and is connected with the upper connecting piece 1 through a welding line; a roller 5 and a roller 6 are arranged in the cable cavity 4, the roller 6 is fixed in the cable cavity 4 through the roller 5, a guy cable penetrates the cable cavity 4 and is tightly attached to the roller 6, and the position and the size of the roller are correspondingly determined by the position of the guy cable and the axial force of a stay rod; the U-shaped bolt 7 is used for fixing the cable body after the cable is tensioned, and the U-shaped bolt 5 is buckled on the cable body and then penetrates through bolt holes of the left lug plate 2 and the right lug plate 3 to be screwed.
In the application, the rolling tensioning node of the string bridge replaces the sliding friction force of the inhaul cable in tensioning by the rolling friction force of the roller, so that the excessive prestress loss caused by friction in the tensioning process of the inhaul cable is effectively avoided, the uniform strain distribution of each section of the inhaul cable is ensured, and meanwhile, the method for setting the roller as a variable-section roller to ensure the centering of the node force line is provided;
further, the U-shaped bolt is installed before tensioning but not screwed, and the U-shaped bolt is screwed after tensioning so as to realize the fixation of the inhaul cable, thereby avoiding the prestress loss generated by the relative displacement between the node and the inhaul cable;
further, the tensioning and fixing of the inhaul cables with different positions and different diameters can be realized by adjusting the inclination angles of the left ear plate and the right ear plate and the positions and the diameters of the holes.
On the other hand, the application also provides a construction method of the rolling tensioning node of the beam string, which comprises the following steps:
s1: the rolling shaft 5 is inserted into the rolling wheel 6, two ends of the rolling shaft 5 are inserted into openings on two side plates forming the rope cavity 4, and the rolling shaft is fixed;
s2: the cable cavity 4 is welded with the upper connecting piece 1;
s3: marking and positioning the left ear plate 2 and the right ear plate 3, and welding and connecting the left ear plate and the right ear plate with the upper connecting piece 1;
s4: the wooden stay bar is inserted into the upper connecting piece 1 and is connected by driving a self-tapping screw through an electric hand drill;
s5: the inhaul cable passes through the cable cavity, is tightly attached to the roller 6 and can slide along with the rotation of the roller 6, and the U-shaped bolt 7 is installed without tightening, so that the inhaul cable is tensioned;
s6: the stay rope is tensioned to a specified pretension force, the angle of the wood stay bar is adjusted to ensure the vertical direction, and the U-shaped bolt 7 is screwed to fix the stay rope.
For a further understanding of the invention, its objects, features and advantages, reference should be made to the following examples, which are illustrated in the accompanying drawings in which:
firstly, a universal ball 3 and a ball shaft 6 with smooth surfaces are obtained through machining and polishing, the universal ball 3 and the ball shaft 6 penetrate through a pore canal at the bottom of a lower fastener 4, the ball shaft 6 is positioned to the central position of a lower connecting piece 7 and is connected through a welding seam, vertical transmission of axial force is guaranteed, after an upper fastener 2 is welded with an upper connecting plate 1, connection of the upper fastener 2 and the lower fastener 4 is achieved through screwing in an inner hexagon bolt, at the moment, all assembly of a node steel part is completed, a wood stay 8 is inserted into a cavity of the lower connecting piece 7, self-tapping screws are vertically driven by an electric hand drill, connection of the stay and the node is achieved, line drawing positioning of an upper chord wood beam is achieved, the position of the upper connecting plate 1 is determined, and self-tapping screws are vertically driven by the electric hand drill, so that connection of the node and the upper chord wood beam is achieved.
The rolling tensioning node of the string beam adopts the roller to convert sliding friction into rolling friction, so that prestress loss caused by friction in the tensioning process of the cable is effectively reduced, the fixation of the cable after tensioning is realized through the U-shaped bolt, and the applicability of the node to string beam structures with different cable angles and diameters is ensured by changing the angle of the lug plate, the position of the hole and the diameter. Firstly, inserting a roller into a roller, inserting two ends of the roller into holes on two side plates forming a cable cavity, fixing the roller, then inserting a cable cavity, a left ear plate, a right ear plate and an upper connecting piece into welded connection, inserting a wood stay bar into the upper connecting piece, driving a tapping screw through an electric hand drill to connect, fixing a node on a structure, penetrating a cable through the cable cavity, tightly attaching the cable to the roller, installing but not tightening a U-shaped bolt so as to facilitate tensioning of the cable, finally tensioning the cable to a specified pretension, adjusting the angle of the wood stay bar to ensure the verticality, and tightening the U-shaped bolt so as to fix the cable.
To ensure the fault tolerance of the design, the cavity dimension b of the upper connector 1 should be slightly larger than the cross-sectional dimension of the wooden stay, and the aperture d s Should be slightly larger than the diameter of the tapping screw.
The control parameters to be considered by the node design include: left and right ear plate angle alpha, ear plate bolt hole diameter d c Edge distance a 1 、b 1 Distance a 2 、b 2 Thickness t of lug plate and welding seam length l of lug plate and upper connecting piece 1 Diameter d of roller a The dimension b of the cavity of the upper connecting piece, the diameter of the self-tapping screw and the clearance distance inside the U-shaped bolt.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a stretch-draw node is rolled to string roof beam which characterized in that: the connecting piece comprises an upper connecting piece (1) and a U-shaped bolt (7), wherein a round hole is formed in the side surface of the upper connecting piece (1) and is used for penetrating a self-tapping screw to be connected with a wood stay bar; the two sides of the upper connecting piece (1) are fixedly connected with a left lug plate (2) and a right lug plate (3), openings are formed in the two groups of lug plates, the positions of the openings are correspondingly determined by the diameter and the position of a inhaul cable, the diameter of the openings is correspondingly determined by the size of a U-shaped bolt, and the openings are connected with the upper connecting piece (1) through welding seams; the lower end of the upper connecting piece (1) is provided with a cable cavity (4) which consists of two side plates and is connected with the upper connecting piece (1) through a welding seam; a rolling shaft (5) and a rolling wheel (6) are arranged in the cable cavity (4), the rolling wheel (6) is fixed in the cable cavity (4) through the rolling shaft (5), a guy cable penetrates the cable cavity (4) and is tightly attached to the rolling wheel (6), and the position of the rolling shaft and the size of the rolling wheel are correspondingly determined by the position of the guy cable and the axial force of a stay rod; the U-shaped bolt (7) is used for fixing the cable body after the cable is tensioned, and the U-shaped bolt (5) penetrates through bolt holes of the left lug plate (2) and the right lug plate (3) and is screwed down after the cable body is buckled.
2. The beam-string roll tension node of claim 1, wherein: the dimension b of the inner cavity of the upper connecting piece (1) is slightly larger than the dimension of the section of the wood stay bar, and the dimension of the section of the wood stay bar is set to be 1-2 mm, so that the wood stay bar can be conveniently inserted into the cavity of the lower connecting piece (1) and connected through self-tapping screws.
3. The beam-string roll tension node of claim 1, wherein: the tensioning and fixing of the inhaul cables with different positions and different diameters can be realized by changing the value of the included angle alpha and the positions and the diameters of the holes of the left ear plate (2) and the right ear plate (3).
4. The beam-string roll tension node of claim 1, wherein: the roller (6) is designed as a variable cross-section roller.
5. The beam-string roll tension node of claim 1, wherein: the inner clear distance of the U-shaped bolt (7) is 1-3 mm larger than the diameter of the inhaul cable.
6. The beam-string roll tension node of claim 1, wherein: the node should carry out the checking calculation of the shearing bearing capacity of the rolling shaft (5) under the action of the vertical component V of the maximum cable force according to the specification of the current national standard 'steel structure design standard' GB 50017:
wherein d a The diameter of the roller is measured in mm and f v The shear strength of the roller is measured in N/mm 2 。
7. The beam-string roll tension node of claim 1, wherein: the node is subjected to checking calculation of the shearing bearing capacity of the left lug plate (2) and the right lug plate (3) under the action of the vertical component V of the maximum cable force according to the specification of the current national standard 'steel structure design standard' GB 50017:
wherein t is the thickness of the ear plate, the unit is set to be mm, a 1 The unit is set to be mm and f is the edge distance of the bolt hole v For shear strength of the ear plate, the unit is set to N/mm 2 。
8. The beam-string roll tension node of claim 1, wherein: the joint is required to carry out the welding seam strength of the left lug plate (2), the right lug plate (3) and the upper connecting piece (1) under the action of the vertical component V of the maximum cable force according to the specification of the current national standard 'steel structure design standard' GB 50017:
wherein sigma f Is stress perpendicular to the length direction of the welding line, and the unit is N/mm 2 ，τ f In N/mm for shear stress along the length of the weld 2 ，h e Calculated thickness in mm for fillet weld, 0.7h f ，h f For the size of the solder fillet l w Calculating the length of the welding line, taking l 1 -2h f ，
Designed value for the strength of the welding seam, the unit is N/mm 2 ，β f The coefficient is increased for the design value of the strength of the front fillet weld, and the beta is increased for the structure which bears static load and indirectly dynamic load f ＝1.22。
9. Construction method of a rolling tensioning node of a beam string according to one of the claims 1-8, characterized in that: the method comprises the following steps:
s1: inserting a roller (5) into the roller (6), inserting two ends of the roller (5) into openings on two side plates forming the cable cavity (4), and fixing the roller;
s2: the cable cavity (4) is welded with the upper connecting piece (1);
s3: marking and positioning the left ear plate (2) and the right ear plate (3), and welding and connecting the left ear plate and the right ear plate with the upper connecting piece (1);
s4: the wooden stay bar is inserted into the upper connecting piece (1) and is connected by driving a self-tapping screw through an electric hand drill;
s5: the inhaul cable passes through the cable cavity, is tightly attached to the roller (6) and can slide along with the rotation of the roller (6), and the U-shaped bolt (7) is installed without tightening, so that the inhaul cable is tensioned;
s6: stretching the inhaul cable to a specified pretension force, adjusting the angle of the wood stay bar to ensure the vertical direction, and tightening the U-shaped bolt (7) to fix the inhaul cable.
10. The construction method of the rolling tensioning node of the beam string according to claim 6, wherein the construction method comprises the following steps: the control parameters to be considered by the node design include: left and right ear plate angle alpha, ear plate bolt hole diameter d c Edge distance a 1 、b 1 Distance a 2 、b 2 Thickness t of lug plate and welding seam length l of lug plate and upper connecting piece 1 Diameter d of roller a The dimension b of the cavity of the upper connecting piece, the diameter of the self-tapping screw and the clearance distance inside the U-shaped bolt.
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| CN202310113932.6A CN116005808B (en) | 2023-02-10 | 2023-02-10 | Rolling tensioning node of beam string and construction method thereof |
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| CN202310113932.6A CN116005808B (en) | 2023-02-10 | 2023-02-10 | Rolling tensioning node of beam string and construction method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5856086A (en) * | 1985-06-11 | 1986-12-18 | Sprockett Innovation | Beam stressing device |
| CN1789636A (en) * | 2005-12-22 | 2006-06-21 | 高维成 | Pulley type truss-string arc-scaffolding combined structural system |
| CN101265727A (en) * | 2008-04-30 | 2008-09-17 | 天津大学 | Prestressing force steel structure rolling type stretching cable node |
| CN103806368A (en) * | 2014-03-12 | 2014-05-21 | 东南大学 | Tensile string wood arch structure |
| CN105863145A (en) * | 2015-12-24 | 2016-08-17 | 济南匠夫万自动化科技有限公司 | String structure, string beam and building |
| CN114108945A (en) * | 2021-11-24 | 2022-03-01 | 山东大学 | Vibration reduction inhaul cable beam string structure and method |
| CN217400102U (en) * | 2021-09-08 | 2022-09-09 | 湖南智谋规划工程设计咨询有限责任公司 | Steel-wood combined beam string structure |
-
2023
- 2023-02-10 CN CN202310113932.6A patent/CN116005808B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5856086A (en) * | 1985-06-11 | 1986-12-18 | Sprockett Innovation | Beam stressing device |
| CN1789636A (en) * | 2005-12-22 | 2006-06-21 | 高维成 | Pulley type truss-string arc-scaffolding combined structural system |
| CN101265727A (en) * | 2008-04-30 | 2008-09-17 | 天津大学 | Prestressing force steel structure rolling type stretching cable node |
| CN103806368A (en) * | 2014-03-12 | 2014-05-21 | 东南大学 | Tensile string wood arch structure |
| CN105863145A (en) * | 2015-12-24 | 2016-08-17 | 济南匠夫万自动化科技有限公司 | String structure, string beam and building |
| CN217400102U (en) * | 2021-09-08 | 2022-09-09 | 湖南智谋规划工程设计咨询有限责任公司 | Steel-wood combined beam string structure |
| CN114108945A (en) * | 2021-11-24 | 2022-03-01 | 山东大学 | Vibration reduction inhaul cable beam string structure and method |
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