CN108951846A - A kind of reinforcing construction and installation method of single-layer lattice shell node - Google Patents
A kind of reinforcing construction and installation method of single-layer lattice shell node Download PDFInfo
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- CN108951846A CN108951846A CN201810853559.7A CN201810853559A CN108951846A CN 108951846 A CN108951846 A CN 108951846A CN 201810853559 A CN201810853559 A CN 201810853559A CN 108951846 A CN108951846 A CN 108951846A
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- plate
- layer lattice
- chord member
- ring flat
- reinforcing
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 44
- 239000002356 single layer Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title abstract description 11
- 238000009434 installation Methods 0.000 title abstract description 7
- 238000010276 construction Methods 0.000 title description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 241001149930 Protura <class> Species 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 238000003466 welding Methods 0.000 abstract description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
- E04B1/1906—Connecting nodes specially adapted therefor with central spherical, semispherical or polyhedral connecting element
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B1/3211—Structures with a vertical rotation axis or the like, e.g. semi-spherical structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
- E04B2001/1918—Connecting nodes specially adapted therefor with connecting nodes having flat radial connecting surfaces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B2001/1924—Struts specially adapted therefor
- E04B2001/1927—Struts specially adapted therefor of essentially circular cross section
- E04B2001/193—Struts specially adapted therefor of essentially circular cross section with flattened connecting parts, e.g. ends
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B2001/1957—Details of connections between nodes and struts
- E04B2001/196—Screw connections with axis parallel to the main axis of the strut
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B2001/3235—Arched structures; Vaulted structures; Folded structures having a grid frame
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of reinforcing of single-layer lattice shell node and installation and locating method, which increases a reinforcing steel loop plate in the position of single-layer lattice shell bolt sphere, and the hole among steel loop plate does not block the datum hole of bolt sphere.Stress performance outside the face that the reinforcing ring flat-plate and chord member use welding or other connection types to reinforce chord member.The net shell node manufactured by this method, joint rigidity are increased, and speed of application is accelerated.Ring flat-plate is connected by welding with chord member, can effectively transmit moment of flexure.The reinforcing joint can be widely applied in single-layer latticed shell (especially Reticulated Dome Structures).
Description
Technical field
The invention belongs to construction engineering technical fields, are related to the reinforcing of single-layer lattice shell node, are particularly suitable for passing through bolt
The reinforcing of the single-layer lattice shell of ball node connection.
Background technique
Modern architecture is also higher and higher to beautiful requirement other than structure safety.Single-layer lattice shell may be implemented it is elegant,
The building surface of cambered surface.
Single-layer lattice shell is generally made of rod piece and node.Since single-layer lattice shell is extremely saved by the rod piece junction of numerous different angles
Point, the node is other than needing to bear moment of flexure, axle power and shearing on mechanics, structurally often extremely complex, node difficult processing
Degree is high.And rod piece is connect with the mode that node is all made of site welding under normal circumstances, complicated construction technique, the construction period is long.
Although and existing double layer grid structure can using bolt sphere connect, from welding, node be only capable of bear axle power and cannot
Moment of flexure is born, so that this node is not suitable for being used directly on single-layer lattice shell.In addition, the datum hole of bolt sphere is in the construction process
Integrally-built central point or central axes are typically toward, it is this to accelerate speed of application in such a way that datum hole positions,
Avoid setup error.Although welded spherical node can guarantee connection stiffness, ball surface is welded without datum hole, and it is fixed to provide
Bit function.
Therefore, how during the production and construction of single-layer lattice shell, should accomplish that node is allowed to be able to reinforce to bear moment of flexure,
The positioning reference holes for accomplishing retention bolt ball again are a technology key points and difficulties.
Summary of the invention
In view of the above problems, the purpose of the invention patent is to provide reinforcing and the installation positioning side of a kind of single-layer lattice shell node
Method, to solve deficiency in the prior art.
To achieve the goals above, solution of the invention is:
A kind of single-layer lattice shell node of reinforcing, the single-layer lattice shell node include bolt sphere, chord member, chord member end and bolt
The conehead or sealing plate of ball connection reinforce ring flat-plate.The bolt sphere is connected with chord member by conehead or sealing plate, the reinforcing ring
On same straight line, the reinforcing ring flat-plate is welded to chord member for 3 points of plate center, bolt ball center and bolt sphere datum hole center
On, the chord member both ends all pass through conehead or sealing plate is connected in bolt sphere, and there are aperture, the bolt sphere in the ring flat-plate center
Datum hole is directed toward the normal direction of the surface net shell where the node；
The chord member is rectangular tube, square tube, triangle tube or circular hollow section.
Preferably, the chord member and the weld size of reinforcing ring flat-plate welding need to be less than the thickness of ring flat-plate, while need to be less than string
The thickness of bar.
Preferably, the opening diameter of the ring flat-plate is preferably greater than 100mm.
Preferably, the datum hole of the bolt hole towards ring flat-plate side and need to be directed toward the surface net shell where the node
Normal direction.
Further, the chord member and reinforcing ring flat-plate require supplementation with antirust paint after the completion of welding.
Preferably, reinforcing ring flat-plate need to contact and weld with all chord members.When chord member sectional dimension is different or site operation
When error causes reinforcing ring flat-plate and chord member that can not contact, the small steel disc of 6mm~12mm thickness rectangle can be supplemented to be welded to and add
Gu on ring flat-plate and chord member, being connected reliably with ensuring chord member with ring flat-plate is reinforced.Small steel disc need to be stood on reinforcing ring flat-plate, and pasted and be soldered to
Chord member two sides.
Preferably, reinforcing ring plate thickness needs to determine according to calculating, and is not preferably less than 8mm generally.
By adopting the above scheme, the beneficial effects of the present invention are:
A kind of single-layer lattice shell node of reinforcing shown in the present invention, the reinforcing joint increase in the position of single-layer lattice shell bolt sphere
One steel loop plate, the hole among steel loop plate do not block the datum hole of bolt sphere.The ring flat-plate is connect with chord member using welding manner
Stress performance outside face to reinforce chord member.The net shell node manufactured by this method, joint rigidity are increased.Ring flat-plate and string
Bar is connected, and can effectively transmit moment of flexure, applies bolted spherical node on single-layer lattice shell to realize while guaranteeing that node is rigid
Degree.Further, since the positioning action of bolt sphere datum hole, construction technical staff can be sat according to the three-dimensional of node on drawing quickly
Mark and chord member angle orient bolt sphere position at the scene and angle and avoid solder sphere so as to accelerate the construction period
Although node can guarantee connection stiffness, the drawbacks of can not positioning.
In addition, a kind of single-layer lattice shell node of reinforcing, the datum hole of the reinforcing joint shown in the present invention can be used as lamp hole,
All parts have cable hole, and Landscape Lamp does not need both unsightly to have influenced electric wire from the exposed electric wire of reticulated shell outside installation again yet
Service life.Electric wire can be directly inside rod piece, and by the cable hole of all parts, into intra-node, cabling is hidden, and raising is built
Build overall aesthetic degree.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of single-layer lattice shell provided in an embodiment of the present invention；
Fig. 2 is the partial enlargement structure top view (sealing plate for the single layer single-layer lattice shell reinforcing joint that embodiment illustrated in fig. 1 provides
Node)；
Fig. 3 is the partial enlargement structural side view for the single layer single-layer lattice shell reinforcing joint that embodiment illustrated in fig. 1 provides；
Fig. 4 is partial enlargement structure top view (sealing plate and the cone of the single layer single-layer lattice shell reinforcing joint of embodiment illustrated in fig. 1
Node coexists in head)；
Fig. 5 is the bolt sphere lower part enforced loop plane plan view of embodiment illustrated in fig. 1；
Fig. 6 is the bolt sphere aperture schematic diagram of embodiment illustrated in fig. 1；
Fig. 7 is the chord member end sealing plate connection schematic diagram of embodiment illustrated in fig. 1；
Fig. 8 is the chord member end conehead connection schematic diagram of embodiment illustrated in fig. 1；
Fig. 9 is the single-layer lattice shell construction segmentation of embodiment illustrated in fig. 1；
Figure 10 is the single-layer lattice shell section construction process demonstration of embodiment illustrated in fig. 1.
Wherein: 1, single-layer lattice shell reinforcing joint；2-1, reticulated shell chord member (end is sealing plate)；(end is for 2-2, reticulated shell chord member
Conehead)；3, bolt sphere；4-1, sealing plate；4-2, conehead；5, chord member connect steel disc 10, reinforcing ring flat-plate with ring flat-plate is reinforced；11, reinforce
Ring flat-plate aperture；31, bolt sphere and chord member connecting hole；32, bolt sphere benchmark bore edges scabble processing；33, bolt sphere datum hole；
34, signal direction arrow of the bolt sphere datum hole towards curved surface single-layer lattice shell center；35, curved surface single-layer lattice shell center；61~68,
It is followed successively by the number-of-fragments that three-dimensional single-layer lattice shell is constructed from the bottom up.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Overcome the deficiencies in the prior art of the present invention, and in view of curved surface single-layer lattice shell is to connection stiffness, base point of installation
Demand retains bolt sphere, and introduces reinforcing ring flat-plate, and the accurate fixed of surface net shell node can be realized in three-dimensional by forming one kind
Position, and the reinforcement means of joint rigidity can be improved.
As shown in Figures 1 to 4, the single-layer lattice shell node of a kind of reinforcing, 1 point of the single-layer lattice shell section include bolt sphere 3, string
Conehead 4-2 or sealing plate 4-1 that bar 2-1 and 2-2, chord member end are connect with bolt sphere, ring flat-plate 10 is reinforced.The bolt sphere 3 with
Chord member 2-1 is connected with 2-2 by conehead 4-2 or sealing plate 4-1, the center for reinforcing ring flat-plate 10, the center of bolt sphere 3 and spiral shell
On same straight line, the reinforcing ring flat-plate 10 is welded on chord member 2-1 and 2-2, described at 3 points of the center of bolt ball datum hole 33
The both ends chord member 2-1 and 2-2 pass through sealing plate 4-1 respectively or conehead 4-2 is connected in bolt sphere 3, and the center of the ring flat-plate 10 has out
Hole 11, the datum hole 33 of the bolt sphere 3 are directed toward the normal direction 34 of the surface net shell where the node 1；
As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, the lower section that bolt sphere datum hole 33 and chord member 2-1 is arranged in ring flat-plate 10 is reinforced,
It reinforces ring flat-plate 10 to be connected by welding with chord member 2-1, weld size should not exceed the wall thickness of chord member 2-1, while should not exceed and add
Gu the thickness of ring flat-plate 10.Bolt sphere datum hole 33 is along the normal direction 34 of surface net shell towards the center of surface net shell 35.This
Kind positioning method can guarantee quick and precisely to find chord member 2-1 and corresponding bolt hole 31 in work progress.
As shown in Fig. 4, Fig. 7 and Fig. 8, when conehead 4-2 and sealing plate 4-1 coexists with the reinforcing joint, it is connected with sealing plate 4-1
Chord member 2-1 due to section it is relatively small, possibly can not touch reinforce ring flat-plate 10.It at this time can be (general by connection steel disc 5
For 6mm~12mm thickness) chord member 2-1 is connected with ring flat-plate 10 by weld seam.The weld size of steel disc should not exceed chord member 2-1 herein
Wall thickness, while should not exceed reinforce ring flat-plate 10 thickness.
As shown in Figure 9 and Figure 10, in the present embodiment, reinforce ring flat-plate 10 sequence of construction should follow " bolt sphere installation formerly,
Ring flat-plate is reinforced rear；It is get on, get off, whole behind first part " principle.When surface net shell completes twisting for the 61st section of bolted spherical node
It, at this time should not reinforcement of weld ring flat-plate 10 at once after tight work.Because reinforce ring flat-plate 10 once weld complete, at this time chord member 2-1 and
The position of 2-2 has just fixed, the space that structure is not finely tuned.Correct way is that structure should be in internal full hall scaffold
Rest under, continue to complete 62 to 68 sections of construction.When reticulated shell has been installed, structural system is also weaker at this time, still
Three-dimensional reticulated shell looks for shape and positioning review to complete.At this time can successively from 61 to 68 sections complete reinforce ring flat-plate Welder
Make.
It needs to carry out preservative treatment after the completion of above-mentioned weld seam.
In the present embodiment, scaffold is completed and then removed from top to bottom to all work.
In the present embodiment, the datum hole 33 of the reinforcing joint can be used as lamp hole, and all parts have cable hole, Landscape Lamp
It does not need that exposed electric wire is installed on the outside of reticulated shell again, both unsightly, influences the electric wire service life yet.Electric wire can be directly from chord member 2-
Inside 1 and 2-2, by the cable hole of all parts, into intra-node, cabling is hidden, improves the whole beauty of building
Degree.
In the present embodiment, the processing of bolt sphere should be according to the opposite of the three-dimensional chord member that Construction of Steel Structure figure and detail drawing are deepened
Angle coordinate completes the processing of datum hole and bolt hole on numerical control device.
In the present embodiment, construction personnel can be according to the number of bolt sphere 3, the direction of bolt sphere datum hole 33 and chord member 2-
1, the relative angle of 2-2 judges the placement position of bolt sphere.Bolt sphere datum hole 33 need to be towards the center of surface net shell 35.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (8)
1. a kind of single-layer lattice shell reinforcing joint, it is characterised in that: connect including bolt sphere, chord member, chord member end with bolt sphere
Conehead or sealing plate reinforce ring flat-plate；
3 points of the reinforcing ring flat-plate center, bolt ball center and bolt sphere datum hole center are on same straight line.
2. single-layer lattice shell reinforcing joint according to claim 1, it is characterised in that: the reinforcing ring flat-plate need to be welded to chord member
On.
3. single-layer lattice shell reinforcing joint according to claim 1, it is characterised in that: the chord member is rectangular tube, square tube, three
Angular pipe or circular hollow section.
4. single-layer lattice shell reinforcing joint according to claim 2, it is characterised in that: there are aperture, aperture in the ring flat-plate center
Diameter is generally preferably greater than 100mm, and is less than the half of reinforcing ring board diameter.
5. according to single-layer lattice shell reinforcing joint described in claim 2 and 3, it is characterised in that: the chord member both ends all pass through cone
Head or sealing plate are connected in bolt sphere.
6. single-layer lattice shell reinforcing joint according to claim 1, it is characterised in that: the datum hole of the bolt sphere is along this
The normal direction of surface net shell where node is directed toward the center of the surface net shell.
7. single-layer lattice shell reinforcing joint according to claim 1, it is characterised in that: the thickness for reinforcing ring flat-plate is preferably greater than
8mm。
8. single-layer lattice shell reinforcing joint according to claim 1, it is characterised in that: reinforce ring flat-plate and preferably pacify to all bolt spheres
Install finish and check it is errorless after, then the unified principle according to " from bottom to top " welds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810853559.7A CN108951846A (en) | 2018-07-30 | 2018-07-30 | A kind of reinforcing construction and installation method of single-layer lattice shell node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810853559.7A CN108951846A (en) | 2018-07-30 | 2018-07-30 | A kind of reinforcing construction and installation method of single-layer lattice shell node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108951846A true CN108951846A (en) | 2018-12-07 |
Family
ID=64466192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810853559.7A Pending CN108951846A (en) | 2018-07-30 | 2018-07-30 | A kind of reinforcing construction and installation method of single-layer lattice shell node |
Country Status (1)
| Country | Link |
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| CN (1) | CN108951846A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235731A (en) * | 2021-05-11 | 2021-08-10 | 太原理工大学 | Floor position adjustable assembled welding clean shot node reinforcing apparatus |
| WO2023095090A1 (en) * | 2021-11-28 | 2023-06-01 | Etminan Payam | A graduated shell jointing system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2117077A (en) * | 1982-02-19 | 1983-10-05 | Spacenode | Space frame node |
| CN2640975Y (en) * | 2003-09-04 | 2004-09-15 | 黄才良 | Mounting aluminum net roof |
| CN102003028A (en) * | 2010-10-20 | 2011-04-06 | 天津大学 | Non-purlin bolt ball node grid structure and manufacturing method thereof |
| CN105544739A (en) * | 2016-01-24 | 2016-05-04 | 山东建筑大学 | Single-layer reticulated shell bolt connection node and constructing and mounting method |
| CN206468032U (en) * | 2016-11-24 | 2017-09-05 | 徐州市产品质量监督检验中心 | Spatial mesh structure bolted spherical node reinforcement of weld device |
| CN206815880U (en) * | 2017-06-08 | 2017-12-29 | 浙江东南网架股份有限公司 | A kind of structure node for bolt-ball net frame reinforcement of rod pieces |
-
2018
- 2018-07-30 CN CN201810853559.7A patent/CN108951846A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2117077A (en) * | 1982-02-19 | 1983-10-05 | Spacenode | Space frame node |
| CN2640975Y (en) * | 2003-09-04 | 2004-09-15 | 黄才良 | Mounting aluminum net roof |
| CN102003028A (en) * | 2010-10-20 | 2011-04-06 | 天津大学 | Non-purlin bolt ball node grid structure and manufacturing method thereof |
| CN105544739A (en) * | 2016-01-24 | 2016-05-04 | 山东建筑大学 | Single-layer reticulated shell bolt connection node and constructing and mounting method |
| CN206468032U (en) * | 2016-11-24 | 2017-09-05 | 徐州市产品质量监督检验中心 | Spatial mesh structure bolted spherical node reinforcement of weld device |
| CN206815880U (en) * | 2017-06-08 | 2017-12-29 | 浙江东南网架股份有限公司 | A kind of structure node for bolt-ball net frame reinforcement of rod pieces |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235731A (en) * | 2021-05-11 | 2021-08-10 | 太原理工大学 | Floor position adjustable assembled welding clean shot node reinforcing apparatus |
| CN113235731B (en) * | 2021-05-11 | 2022-07-29 | 太原理工大学 | Rib plate position adjustable assembled welding clean shot node reinforcing apparatus |
| WO2023095090A1 (en) * | 2021-11-28 | 2023-06-01 | Etminan Payam | A graduated shell jointing system |
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Application publication date: 20181207 |