CN104818774A - Supporting joint with U-shaped steel plate - Google Patents
Supporting joint with U-shaped steel plate Download PDFInfo
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- CN104818774A CN104818774A CN201510237653.6A CN201510237653A CN104818774A CN 104818774 A CN104818774 A CN 104818774A CN 201510237653 A CN201510237653 A CN 201510237653A CN 104818774 A CN104818774 A CN 104818774A
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Abstract
The invention discloses a supporting joint with a U-shaped steel plate. The supporting joint is mainly composed of a U-shaped steel plate, a cushion plate, a long-strip installing hole and a suspender; the cross section of the U-shaped steel plate is in the shape of U or groove, the upper end of the U-shaped or groove-shaped opening is provided with wing edges, wherein one wing edge is overlapped on a connection structure, and the other one wing edge is overlapped on a multi-tower structure; one end of the suspender is crossed through the middle part of the wing edge at one side of the U-shaped steel plate and connected with the connection structure, and the other end is connected with a bracket of the multi-tower structure; a long-strip installing hole is arranged on the wing edge of the U-shaped steel plate connected with the connection structure along the axial direction, and long-strip installing hole is connected with the connection structure through a bolt or an anchor; the wing edge at the other side of the U-shaped steel plate is connected with the multi-tower structure through the bolt or the anchor. The supporting joint with the U-shaped steel plate is simple in structure and convenient to construct; besides, the supporting joint is simple and reasonable in stress, and can be recovered in small shock and repaired in big shock; particularly, the supporting joint plays the functions of 'relative isolation' and 'fuse wire' to the connection structure and the multi-tower structure; besides, the practicability is strong.
Description
Technical field
The present invention relates to a kind of steel structure support seat node, particularly relate to a kind of supporting node with U-shaped steel plate.
Background technology
The principal mode of steel structure support seat node has fixed-hinged support, movable hinged shoe and fixed bearing.Fixed-hinged support is a kind of transmitter shaft power and shearing and does not transmit the support style of moment of flexure, namely limits the displacement of knee level and vertical direction, but can rotate.Fixed-hinged support comprises bearing pin hinged-support, ball hinged support and arc hinge bearing.Bearing pin bearing is by pinned connection bearing base and rotatable parts.Ball hinged support is fixed on steel ball on rebound and one by one and is connected to that hemisphere groove on base-plate is chimeric to be formed, and freely can rotate, and do not produce linear displacement along two horizontal directions.The way of arc hinge bearing is inverted by arc backing plate, is placed in arc-shaped shallow slot that rebound is arranged.This several bearing is all mutually be fitted together to by concave, convex component, and fixed by crab-bolt (or bearing pin), rotating, all should add spring under crab-bolt nut for avoiding affecting bearing.Ball hinged support, arc hinge bearing have complex structure, the shortcoming that welding process requirement is high.Because steel quantity consumption is large, manufacture craft requires meticulous, therefore high expensive.Under geological process, fixed-hinged support is due to can not the power in emission levels direction and distortion and easily destroy, and maintenance and change inconvenience.
Movable hinged shoe is that one limits vertical direction displacement, but the support style that can move in the horizontal direction and rotate.Comprise elastic support and sliding support.Elastic support and sliding support are all to realize the movement of horizontal direction by the frictional force between reduction rebound and base plate.Movable support is generally used in horizontal thrust conditional, or needs in the network of release temperature stress.Elastic support generally by adding rubber mat plate to realize under rigid mount base plate.Neoprene bearing is exactly an elastic support, its way is that base-plate and transition steel plate are processed into " basin " type, one piece of rubber mat plate being bonded by multilayer rubber and steel sheet interval, suppressed is inlayed in centre, because rubber mat plate has good elasticity and larger shearing displacement capabilities, thus bearing is not only rotatable but also can produce certain elasticity displacement in the horizontal direction.Base-plate and rebound are linked to be entirety by the crab-bolt through rubber mat plate, also should arrange compression spring to adapt to the rotation of bearing, prevent base plate and rubber cushion blocks from throwing off under the nut of crab-bolt.To not being completely fixed, certain displacement can be there is in the bearing level of sliding support.Sliding support, due to stressed or variations in temperature, can slide along bearing end face.Board-like rubber sliding support is exactly a kind of typical sliding support.The main distinction of board-like rubber sliding support and neoprene bearing is: board-like rubber sliding support has added one deck corrosion resistant plate or polyfluortetraethylene plate between base-plate and rubber mat plate, reduces friction can produce relative slippage between bearing with rubber mat plate.The most complex structure of this kind of bearing, to make the degree that becomes more meticulous high, and welding process requirement is high, and cost is also relatively high.Application life is short is generally 10 ~ 15 years, generally needs repeatedly to change during superstructure application, and replacement cost is higher and affect the using function of structure in Renewal process; Excessive vertical load can not be carried, excessive horizontal movement can not be discharged; Rubber all produces environment and pollutes in refinement, processing, use procedure, not environmentally; More responsive to variations in temperature in normal use procedure, excessively cold or overheated bearing all cannot normally work.
Fixed bearing is neither tolerable injury level and vertical displacement, does not also allow a kind of support style rotated.Fixed bearing connector structure is directly overlapped or is embedded in turret structure, and bearing is transmitter shaft power, shearing and moment of flexure simultaneously.This bearing directly contacts with turret structure due to agent structure, interacts large, once destroy the using function just directly affecting structure, inconvenient maintenance.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide one to have the supporting node of the band U-shaped steel plate that " relatively isolating " and " fuse " acts on.The node of this form mainly can be used among the connector that many (or multitowers) build.
What require along with modern architectural functions improves constantly, or needing under the condition of carrying out building function transformation, some connectors (as light canopy and vestibule) are being set in a certain altitude range in middle part may built at many (or multitowers) to improve the using function of building integral.For existing various steel structure support seat node Problems existing, be combined in when multi-tower structure is connected with the conjoined structure such as Guang Peng, vestibule will reduce interactional requirement as far as possible, the present invention proposes a kind of supporting node of band U-shaped steel plate newly.This supporting node combines the characteristic of elastic support and sliding support,
Supporting node main body includes U-shaped steel plate and suspension rod, and U-shaped steel plate transmits horizontal loading and adaptation level displacement difference, and suspension rod then transmits vertical load.When U-shaped steel plate deformed less (namely the direct relative displacement of building is less), it is stressed is linear elasticity with the relation of distortion, rigidity due to U-shaped steel plate can design relatively little, therefore a kind of type of attachment of Weak link can be served as, for the horizontal distortion difference of conjoined structure and multi-tower structure provides enough spaces, thus the effect of relative isolation is played to conjoined structure and multi-tower structure.After U-shaped steel plate deformed arrives greatly a certain degree (relative displacement namely between building become greater to a certain numerical value); U-shaped steel plate may present elastic-plastic behavior; by the energy-dissipating and shock-absorbing effect that the elastic-plastic deformation of U-shaped steel plate produces; for conjoined structure and multi-tower structure provide enough deformation space to protect conjoined structure and multi-tower structure, serve the effect of " fuse ".Even if U-shaped steel plate there occurs destruction, due to its simple structure, the U-shaped steel plate directly replacing inefficacy can be reused.Such supporting node form not only power transmission is directly simple, and can meet the structural requirement of energy-dissipating and shock-absorbing.
The object of the invention is achieved through the following technical solutions:
With a supporting node for U-shaped steel plate, form primarily of U-shaped steel plate, backing plate, rectangular installing hole and suspension rod; The cross section of described U-shaped steel plate is U-shaped or flute profile, and the open upper end of U-shaped or flute profile is provided with the edge of a wing; An edge of a wing is set up on conjoined structure, and another edge of a wing is set up on multi-tower structure; Suspension rod one end is connected with conjoined structure through in the middle part of U-shaped steel plate one side wing edge, and the other end is connected with the bracket of multi-tower structure; The edge of a wing that U-shaped steel plate is connected with conjoined structure is provided with rectangular installing hole in the axial direction, and is connected with conjoined structure at rectangular installing hole place by bolt or crab-bolt; The U-shaped steel plate opposite side edge of a wing is connected with multi-tower structure by bolt or crab-bolt;
The width b of described U-shaped steel plate and height h requires to determine according to building function and gutter, and width b is not less than the maximum elastic-plastic inter-story drift value H/50 of reinforced concrete frame structure under rarely occurred earthquake effect; U-shaped steel plate thickness t is determined by formula (1):
In formula, fy is the yield strength of U-shaped steel plate steel, and E is the modulus of elasticity of steel, and Δ is the maximum relative displacement between conjoined structure and multi-tower structure, and value is H/275;
The total length L of described U-shaped steel plate is 6d+nH/275+3 (n-1) d;
Described rectangular installing hole becomes a longitudinally row interval to arrange in the middle part of the U-shaped steel plate edge of a wing, and between hole, bore edges to the distance at bearing edge of clear distance and rectangular installing hole is all no less than 3d, and d is the diameter of bolt or crab-bolt; The length of rectangular installing hole should be not less than H/275; The width of rectangular installing hole is determined according to diameter of bolt d; Rectangular installing hole number is set to n, determines by formula (2):
In formula, N
v bfor the shear resistance capacity design load of bolt, f
v bfor the shear strength design load of bolt.
For realizing the object of the invention further, between preferred described U-shaped steel plate and conjoined structure, be provided with backing plate.Described backing plate is polytetrafluoroethylene.
The section area A of described suspension rod determines by formula (4);
in formula, G is the vertical load that suspension rod bears conjoined structure, and n is the total radical of suspension rod, and fy is the yield strength of suspension rod.
The shaped steel of described U-shaped steel plate stainless steel 304,316 trades mark or common Q 345, the Q390 trade mark is made.The external surface of described U-shaped steel plate and suspension rod coats corrosion resistant coating.
Because U-shaped steel plate construction is simple, conjoined structure or multi-tower structure is mounted to by bolt (crab-bolt), have and change feature easily, therefore also continue to use by changing the U-shaped steel plate lost efficacy after large shake effect (i.e. U-shaped steel plate generation excessive deformation), upgrade " relatively isolating " and " fuse " effect of guaranteeing the supporting node giving full play to band U-shaped steel plate.It is linear elasticity with deformation relationship that " relatively isolate " effect to refer to that when U-shaped steel plate deformed is little it is stressed, due to the distortion of U-shaped steel plate self, for the distortion of conjoined structure and multi-tower structure provides enough spaces, thus reduce the interaction between conjoined structure and multi-tower structure." fuse " effect refers to that U-shaped steel plate will enter elastic-plastic behavior, ultimate failure when bearing distortion is large after a certain degree.But the distortion (being less than the width b of U-shaped steel plate) being conjoined structure and multi-tower structure by the elastic-plastic deformation of U-shaped steel plate provides enough spaces; avoid the extruding that contacts with each other between conjoined structure and multi-tower structure; to reduce interaction therebetween, thus conjoined structure and multi-tower structure are served to the effect of protection.
In order to ensure the effect of U-shaped steel plate " relatively isolation " and " fuse ", reducing its bidirectional stress, preventing U-shaped steel plate from entering elastic-plastic behavior in advance and destroying, also need to discharge the horizontal shear along U-shaped steel plate axis direction and displacement.Now by arranging rectangular installing hole in the U-shaped steel plate edge of a wing, and between conjoined structure (multi-tower structure) contact surface, lay the realization of polytetrafluoroethylene (PTFE) bed course.Actual displacement amount according to structure is determined by the geomery of rectangular installing hole.Can ensure that both direction has all given play to the effect of supporting node " relatively isolation " and " fuse " at the supporting node of conjoined structure periphery band U-shaped steel plate simultaneously, really accomplish to reduce the interaction between conjoined structure and multi-tower structure.
Relative to prior art, tool of the present invention has the following advantages:
1) simple structure, easy construction: whole supporting node forms primarily of U-shaped steel plate, crab-bolt, bolt, polytetrafluoroethylene and suspension rod, U-shaped steel plate is formed by steel plate bending, itself and conjoined structure (multi-tower structure) are directly connected by bolt (crab-bolt), do not need Site Welding, construction is simple, easy and simple to handle.
2) stressed simple, reasonable: suspension rod bears whole vertical loads of conjoined structure, by releasing horizontal shear arranging rectangular installing hole along U-shaped steel plate axis direction, vertical u-shaped steel plate axis direction bears certain horizontal loading, therefore horizontal direction shows as single load bearing.
3) little shake can recover, and large shake can be repaiied: U-shaped steel plate generation small deformation under geological process is met by 50 years one, little Zhen Ji this area, is in elastic stage, and distortion is change in linear elasticity, can return to original shape after shake, and can continue to use.U-shaped steel plate generation large deformation under 1600 ~ 2500 years one, great Zhen Ji this area chance geological process, enters elastic-plastic behavior, for conjoined structure and multi-tower structure provide enough horizontal movement spaces.Because the supporting node of band U-shaped steel plate is connected simply with conjoined structure and multi-tower structure, after shake, maintenance is replaced also very convenient.
4) effect of " relatively isolate " and " fuse " is had concurrently: in the connectivity problem of many multi-tower structure and conjoined structure, all require reduction interaction therebetween, supporting node with U-shaped steel plate has the feature of elastic support and sliding support concurrently, " relative isolation " and " fuse " are play a part with multi-tower structure to conjoined structure, meets this structural requirement.The feature of elastic support is presented in vertical axis direction, U-shaped steel plate is when being out of shape less, distortion is all linear elasticity, the rigidity Design of U-shaped steel plate can be obtained relatively little during design, by steel plate self-deformation for conjoined structure and multi-tower structure provide enough deformation spaces, thus reduce the interaction between conjoined structure and multi-tower structure.U-shaped steel plate, when being out of shape comparatively large (being less than the width b of U-shaped bearing), also can being avoided conjoined structure and multi-tower structure to contact with each other and extrude, and plays the effect of " relatively isolation ".Be provided with slotted hole when supporting node bidirectional stress in the direction that parallels to the axis, release horizontal shear in the axial direction, conjoined structure is shielded.
5) cost is low: due to simple structure, easy construction, material therefor is few, so this kind of support node total cost is relatively low.Market is fixed ball hinged support, the finished product price of laminated rubber bearing reaches thousands of, and the cost of supporting node with U-shaped steel plate is less than the former far away.
Accompanying drawing explanation
Fig. 1 is the structural representation of the supporting node of band U-shaped steel plate;
Fig. 2 is the scheme of installation of the supporting node of band U-shaped steel plate;
Fig. 3 is the application installation drawing of the supporting node of band U-shaped steel plate;
Fig. 4 is the sectional view of the supporting node of Fig. 1 band U-shaped steel plate.
Shown in figure: U-shaped steel plate 1, suspension rod 2, bracket 3, conjoined structure 4, multi-tower structure 5, backing plate 6, rectangular installing hole 7, bolt 8, crab-bolt 9.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation, but embodiments of the present invention are not limited thereto.
As figure 1 ?shown in 4, a kind of supporting node with U-shaped steel plate, forms primarily of U-shaped steel plate 1, backing plate 6, rectangular installing hole 7 and suspension rod 2; The cross section of U-shaped steel plate 1 is U-shaped or flute profile, and the open upper end of U-shaped or flute profile is provided with the edge of a wing; During installation, an edge of a wing is set up on conjoined structure 4, and another edge of a wing is set up on multi-tower structure 5; Suspension rod 2 one end is connected with conjoined structure 4 through in the middle part of U-shaped steel plate 1 one side wing edge, and the other end is connected with the bracket 3 of multi-tower structure 5; The edge of a wing that U-shaped steel plate 1 is connected with conjoined structure is provided with rectangular installing hole 7 in the axial direction, and is connected with conjoined structure at rectangular installing hole 7 place by bolt 8; The U-shaped steel plate 1 opposite side edge of a wing is connected with multi-tower structure 5 by crab-bolt 9.Be provided with backing plate 6 between U-shaped steel plate 1 and conjoined structure 4, backing plate 6 is preferably polytetrafluoroethylene.
The trade mark steel such as preferred U-shaped steel plate 1 stainless steel 304,316 models or common Q 345, Q390 are made; Suspension rod 2 adopts reinforcing pull rod.The external surface of preferred U-shaped steel plate 1 and suspension rod 2 coats corrosion resistant coating.
When the supporting node of mounting strap U-shaped steel plate, first with suspension rod 2, conjoined structure 4 is suspended on the bracket 3 of multi-tower structure 5.Then between U-shaped steel plate 1 one side wing edge and the contact surface of conjoined structure 4, lay backing plate 6, then be connected with conjoined structure 4 with bolt 8; U-shaped steel plate 1 opposite side edge of a wing crab-bolt 9 and multi-tower structure 5 couple together.
General supporting node is bidirectional stress, a side wing edge of U-shaped steel plate 1 arranges rectangular installing hole 7 vertically, the length (length in single hole) of rectangular installing hole 7 for conjoined structure and multi-tower structure under various load case combination along the maximum relative displacement of rectangular installing hole length direction.Rectangular installing hole becomes a longitudinally row interval to arrange in the middle part of U-shaped steel plate 1 edge of a wing, and between hole, clear distance is taken as 3d (d is the diameter of bolt), and bore edges is taken as 3d equally to the distance at bearing edge.Determine (height that H is U-shaped steel plate support) by the elastoplasticity story drift restriction H/550 of reinforced concrete frame structure in " seismic design provision in building code ", consider worst displacement model, the length of rectangular installing hole should be not less than H/275; The width of rectangular installing hole 7 is determined according to diameter of bolt d.
U-shaped steel plate 1 can rigidity according to actual needs and Bit andits control condition design, the width b of U-shaped steel plate 1 and height h requires to determine according to building function and gutter usually, and width b is not less than the maximum elastic-plastic inter-story drift value H/50 of reinforced concrete frame structure under rarely occurred earthquake effect.In order to ensure that this supporting node can play " relatively isolating " and the effect of " fuse ", realize concrete rigidity requirement by adjustment U-shaped steel plate thickness t and length L.U-shaped steel plate thickness t can be determined by following formula:
In formula, fy is the yield strength of U-shaped steel plate steel, and b is the width of U-shaped steel plate, and h is the length of U-shaped steel plate, and E is the modulus of elasticity of steel, and Δ is the maximum relative displacement between conjoined structure and multi-tower structure, and value is all H/275 mutually with rectangular installing hole length.
Rectangular installing hole number is set to n, gets by following formula:
N in formula
v bfor the shear resistance capacity design load of bolt, f
v bfor the shear strength design load of bolt, d is the diameter of bolt.In order to ensure that bearing can give full play to " relatively isolating " and " fuse " effect, generally speaking, the number of rectangular installing hole 7 is got and is no less than 2.Wherein the total length L of U-shaped steel plate can be taken as 6d+nH/275+3 (n-1) d (d is the diameter of bolt).Suspension rod 2 mainly bears conjoined structure vertical load G, therefore suspension rod section area A can by following formula value:
In formula, n is the total radical of suspension rod, and fy is the yield strength of suspension rod.
It is linear elasticity with deformation relationship that " relatively isolate " effect to refer to that when U-shaped steel plate 1 is out of shape little it is stressed, due to the distortion of U-shaped steel plate self, for the distortion of conjoined structure and multi-tower structure provides enough spaces, thus reduce the interaction between conjoined structure and multi-tower structure.
" fuse " effect refers to that U-shaped steel plate will enter elastic-plastic behavior, ultimate failure when bearing distortion is large after a certain degree.But the distortion (being less than the width b of U-shaped steel plate) being conjoined structure and multi-tower structure by the elastic-plastic deformation of U-shaped steel plate provides enough spaces; avoid the extruding that contacts with each other between conjoined structure and multi-tower structure; to reduce interaction therebetween, thus conjoined structure and multi-tower structure are served to the effect of protection.
Because U-shaped steel plate construction is simple, conjoined structure or multi-tower structure is mounted to by bolt (crab-bolt), have and change feature easily, therefore also continue to use by changing the U-shaped steel plate lost efficacy after large shake effect (i.e. U-shaped steel plate generation excessive deformation), upgrade " relatively isolating " and " fuse " effect of guaranteeing the supporting node giving full play to band U-shaped steel plate.
In order to ensure the effect of U-shaped steel plate " relatively isolation " and " fuse ", reducing its bidirectional stress, preventing U-shaped steel plate from entering elastic-plastic behavior in advance and destroying, also need to discharge the horizontal shear along U-shaped steel plate axis direction and displacement.Now by arranging rectangular installing hole in the U-shaped steel plate edge of a wing, and between conjoined structure (multi-tower structure) contact surface, lay the realization of polytetrafluoroethylene (PTFE) bed course.Arrange that the supporting node of band U-shaped steel plate can ensure that vertical direction and axis direction have all given play to the effect of supporting node " relative isolation " and " fuse " in conjoined structure surrounding simultaneously, really accomplish to reduce the interaction between conjoined structure and multi-tower structure.
Claims (6)
1. the supporting node with U-shaped steel plate, is characterized in that, forms primarily of U-shaped steel plate, backing plate, rectangular installing hole and suspension rod; The cross section of described U-shaped steel plate is U-shaped or flute profile, and the open upper end of U-shaped or flute profile is provided with the edge of a wing; An edge of a wing is set up on conjoined structure, and another edge of a wing is set up on multi-tower structure; Suspension rod one end is connected with conjoined structure through in the middle part of U-shaped steel plate one side wing edge, and the other end is connected with the bracket of multi-tower structure; The edge of a wing that U-shaped steel plate is connected with conjoined structure is provided with rectangular installing hole in the axial direction, and is connected with conjoined structure at rectangular installing hole place by bolt or crab-bolt; The U-shaped steel plate opposite side edge of a wing is connected with multi-tower structure by bolt or crab-bolt;
The width b of described U-shaped steel plate and height h requires to determine according to building function and gutter, and width b is not less than the maximum elastic-plastic inter-story drift value H/50 (H is the height of U-shaped steel plate support) of reinforced concrete frame structure under rarely occurred earthquake effect; U-shaped steel plate thickness t is determined by formula (1):
In formula, fy is the yield strength of U-shaped steel plate steel, and E is the modulus of elasticity of steel, and Δ is the maximum relative displacement between conjoined structure and multi-tower structure, and value is H/275;
The total length L of described U-shaped steel plate is 6d+nH/275+3 (n-1) d;
Described rectangular installing hole becomes a longitudinally row interval to arrange in the middle part of the U-shaped steel plate edge of a wing, and between hole, bore edges to the distance at bearing edge of clear distance and rectangular installing hole is all no less than 3d, and d is the diameter of bolt or crab-bolt; The length of rectangular installing hole should be not less than H/275; The width of rectangular installing hole is determined according to diameter of bolt d; Rectangular installing hole number is set to n, determines by formula (2):
In formula, N
v bfor the shear resistance capacity design load of bolt, f
v bfor the shear strength design load of bolt.
2. the supporting node of band U-shaped steel plate according to claim 1, is characterized in that, is provided with backing plate between described U-shaped steel plate and conjoined structure.
3. the supporting node of band U-shaped steel plate according to claim 2, is characterized in that, described backing plate preferably polytetrafluoroethylene is dull and stereotyped.
4. the supporting node of band U-shaped steel plate according to claim 1, is characterized in that, the section area A of described suspension rod determines by formula (4);
In formula, G is the vertical load that suspension rod bears conjoined structure, and n is the total radical of suspension rod, and fy is the yield strength of suspension rod.
5. the supporting node of band U-shaped steel plate according to claim 1, is characterized in that, the shaped steel of U-shaped steel plate stainless steel 304,316 trades mark or common Q 345, the Q390 trade mark is made.
6. the supporting node of band U-shaped steel plate according to claim 1, is characterized in that, the external surface of described U-shaped steel plate and suspension rod coats corrosion resistant coating.
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| CN1179809A (en) * | 1995-02-07 | 1998-04-22 | 唐托拉斯信托人 | Pre-cast building methods and components |
| JP2011219942A (en) * | 2010-04-06 | 2011-11-04 | Nippon Pillar Packing Co Ltd | Bearing structure |
| CN103541430A (en) * | 2013-10-31 | 2014-01-29 | 同济大学建筑设计研究院(集团)有限公司 | Support connection structure for steel structure corridor |
| CN103669592A (en) * | 2013-12-11 | 2014-03-26 | 中国能源建设集团广东省电力设计研究院 | Bending-resistant component and beam-column connecting joint |
| DE202014104184U1 (en) * | 2014-09-05 | 2014-09-15 | Jiaxing City Gangqu Kalun Trading Co., Ltd. | An earthquake-proof steel construction for building foundations |
| CN204738393U (en) * | 2015-05-11 | 2015-11-04 | 华南理工大学建筑设计研究院 | A supporting node for having more or multitower building connect |
-
2015
- 2015-05-11 CN CN201510237653.6A patent/CN104818774B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1179809A (en) * | 1995-02-07 | 1998-04-22 | 唐托拉斯信托人 | Pre-cast building methods and components |
| JP2011219942A (en) * | 2010-04-06 | 2011-11-04 | Nippon Pillar Packing Co Ltd | Bearing structure |
| CN103541430A (en) * | 2013-10-31 | 2014-01-29 | 同济大学建筑设计研究院(集团)有限公司 | Support connection structure for steel structure corridor |
| CN103669592A (en) * | 2013-12-11 | 2014-03-26 | 中国能源建设集团广东省电力设计研究院 | Bending-resistant component and beam-column connecting joint |
| DE202014104184U1 (en) * | 2014-09-05 | 2014-09-15 | Jiaxing City Gangqu Kalun Trading Co., Ltd. | An earthquake-proof steel construction for building foundations |
| CN204738393U (en) * | 2015-05-11 | 2015-11-04 | 华南理工大学建筑设计研究院 | A supporting node for having more or multitower building connect |
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