CN106760879A - A kind of square steel construction granulation tower tower mast system of huge lattice column - Google Patents
A kind of square steel construction granulation tower tower mast system of huge lattice column Download PDFInfo
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- CN106760879A CN106760879A CN201611260121.5A CN201611260121A CN106760879A CN 106760879 A CN106760879 A CN 106760879A CN 201611260121 A CN201611260121 A CN 201611260121A CN 106760879 A CN106760879 A CN 106760879A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
- E04H12/10—Truss-like structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/08—Buildings or groups of buildings for agricultural purposes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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Abstract
A kind of huge square steel construction granulation tower tower mast system of lattice column of the present invention, including erect fixed four first steel core concrete columns and eight fixed second steel core concrete columns of setting；Four square settings of first steel core concrete column and respectively corresponding vertex position distribution；With between two first steel core concrete columns on one side, side is provided with equally distributed two second steel core concrete columns altogether；Piece first steel core concrete column distinguishes two second concrete filled steel tube column combinations adjacent thereto and forms a lattice column, first steel core concrete column is connected with two second steel core concrete columns by some first crossbeams and some first column braces respectively, is connected by some second cross beams and some second column braces respectively between two second steel core concrete columns；The 3rd crossbeam and the 3rd column braces between two second steel core concrete columns set by common side between adjacent two lattice column are connected and surround to form granulation tower inner cylinder cavity, and alien invasion is into four-prism.
Description
Technical field
The present invention relates to a kind of granulation tower, specially a kind of square steel construction granulation tower tower mast system of huge lattice column.
Background technology
Granulation tower is generally upper and lower equal diameter cylindrical structure, is mainly made up of circular cylinder body and building escalator two parts, building electricity
The suitable attached side for being against tower body between ladder, when building escalator is arranged, it is necessary to arranged according to tower diameter size reasonable, make it to tower bottom
The influence of air inlet and tower top air outlet is minimum.Elevator hoistways must be closed and completely cut off completely with tower body, and elevator shaft door must not
It is opened in face of tower body direction.Wherein, urea prilling tower mainly scrapes the bed of material, spray head layer operating room, hold water layer and roofing these
Flooring is constituted.
Granulation tower is the core texture in chemical fertilizer plant process flow, and existing granulation tower uses concrete barrel knot mostly
Structure, carrys out China's urea production capacity this year and increases to annual output more than 800,000 tons by 40,000 tons original of annual output, to the work of granulation tower
Skill requirement proposes requirement higher.But the research on granulation tower structure design is simultaneously few, according to original annual value of production 4~6
Ten thousand tons, country is obviously no longer complies with using the universal design of Reinforced Concrete Share-wall Structure Supported By Frame and has advocated construction economizing type
Society, the principles and policies developed a circular economy.Tradition granulation tower structure is generally reinforced concrete structure or is abound with supporting construction, around
Tower body arrangement support is planar support, forms similar thin shelled tubular structure.The structural integrity of the type is stronger, but steel using amount
It is too big, it is not economical enough.And armored concrete is generally cast in situs, construction is troublesome and larger by seasonal effect factor.Due to steel
The deadweight of reinforced concrete tower is larger, also add the investment of foundation, and high intensity Zone is more unfavorable to armored concrete tower.
The content of the invention
For problems of the prior art, the present invention provides a kind of huge square steel construction granulation tower tower mast of lattice column
System, globality is strong, and Stability Analysis of Structures, material-saving is easy to assembly, and quick construction is good in economic efficiency.
The present invention is to be achieved through the following technical solutions：
A kind of square steel construction granulation tower tower mast system of huge lattice column, including erect four fixed first steel tube concretes
Earth pillar and eight fixed second steel core concrete columns of setting；
The square setting of four described first steel core concrete columns and respectively corresponding vertex position distribution；With on one side
Two first steel core concrete columns between altogether side be provided with equally distributed two second steel core concrete columns；
Piece first steel core concrete column distinguishes two second concrete filled steel tube column combinations adjacent thereto and forms a lattice
Structure post, wherein, the first steel core concrete column is respectively with two second steel core concrete columns by some first crossbeams and some the
One column braces are connected, and pass through some second cross beams and some second column braces between two second steel core concrete columns respectively
Connection；
The 3rd crossbeam and between two second steel core concrete columns set by common side between adjacent two lattice column
The connection of three column braces surrounds to form granulation tower inner cylinder cavity, and four alien invasions of granulation tower surround to form four-prism.
Preferably, the first described column braces are arranged between two adjacent first crossbeams, and the second column braces set
Put between two adjacent second cross beams, the 3rd column braces are set between two adjacent the 3rd crossbeams.
Preferably, the first crossbeam of same layer high setting, second cross beam and the 3rd crossbeam form a crossbeam face；With granulation
Crossbeam in the correspondence crossbeam face of high building face forms floor support using I-steel, and the crossbeam of remainder uses steel pipe.
Preferably, the second cross beam of same layer high setting and the 3rd crossbeam pass sequentially through the second steel core concrete column and alternately set
Put connection and form octagon, eight second steel core concrete column corresponding vertex position distributions；Each second steel core concrete column
The annulus beam set in annulus is connected by pipe nipple beam on the inside of the octagon of same floor height；Be provided with the outside of 3rd crossbeam with
Its parallel outer crossbeam.
Preferably, the external side parallel of one alien invasion of granulation tower is provided with four heel posts；Heel post is respectively by vertical
The connecting cross beam of setting is connected with corresponding first steel core concrete column or the second steel core concrete column, is set between adjacent heel post
Put the 4th crossbeam；Each connecting cross beam lower section is provided with and is fixed on corresponding first steel core concrete column or the second concrete filled steel tube
Bearing diagonal on post；The stair sky to form granulation tower is surrounded between four the attached facades and adjacent alien invasion of heel post formation
Between and subsidiary space, lift space is set in the lattice column adjacent with the alien invasion.
Preferably, the first buttress brace of vertical connection first crossbeam and steel core concrete column is provided with lattice column, with the
At least one in the second parallel buttress brace of one crossbeam, and the 3rd buttress brace parallel with second cross beam.
Preferably, be arranged on same alien invasion and be distributed in first column braces between adjacent floor height crossbeam,
One the 3rd column braces and first column braces, are sequentially connected in being wholely set, and form two ends and connect same alien invasion
The integral support of upper two first steel core concrete columns；It is integrally supported and is welded with two second steel core concrete columns of same alien invasion
Connect fixation.
Preferably, the concrete in four first steel core concrete columns and eight fixed second steel core concrete columns of setting
The interior steel fibre for mixing random distribution；Four first steel core concrete columns and eight second steel core concrete columns for erectting fixation
Caliber is in from bottom to top steps reduction.
Preferably, the first column braces are arranged between two adjacent first crossbeams, one end and a first crossbeam and first
The connecting node connection of steel core concrete column, the other end and another first crossbeam and the connecting node of the second steel core concrete column
Connection；Adjacent the first column braces ending in granulation tower bottom connects, and the first adjacent column braces of top are in same tilt court
To setting.
Preferably, the second column braces and the 3rd column braces are in the shape of the letter V setting；Second column braces are arranged on two-phase
Between adjacent second cross beam, two ends are connected with the connecting node of a second cross beam and the second steel core concrete column, intermediate vertex with
Another second cross beam is connected；3rd column braces are arranged between two adjacent 3rd crossbeams, two ends and the 3rd crossbeam and
The connecting node connection of the second steel core concrete column, intermediate vertex is connected with another the 3rd crossbeam.
Compared with prior art, the present invention has following beneficial technique effect：
The present invention uses space truss structure, by first steel core concrete column at each angle and adjacent thereto two
Second steel core concrete column is combined into a lattice column；An entirety, shape are connected as by the support between four lattice columns again
Into the tower structure of outer square column inner cylinder, the globality of tower body is stronger, and lacing is played using the column braces for setting, and sets
Crossbeam batten plate effect, play the anti-bending strength for not only increasing pillar, and enhance the globality of tower body structure so that knot
Structure is more stable, and Lateral resisting ability is more preferable compared with the thin wall shape tower body for being abound with support；And can by formed space truss structure,
The support of each load-bearing pillar is connected as the tower structure of square-outside and round-inside cylinder, directly, each part stress is clear and definite for its each junction power transmission
Rationally, junction is easy to construction to assemble, comprehensive cost low；Compared to reinforced concrete structure, the structure of steel structure tower is exquisite to pick
Thoroughly, profile is rich and varied, and from heavy and light, anti-seismic performance is good, and component can be prefabricated in the factory, building site is installed, quality assurance, duration contracting
It is short, economic benefit is improve on the whole, it is more beneficial for opening up air inlet scraping bed of material above tower wall.
Further, the horizontal beam and column for being connected by the triangular element formed between concrete filled steel tube two-by-two in lattice column
Between support form space truss composition, so as to make full use of the intensity of material, than solid web girder material-saving, mitigate deadweight and increase
Big rigidity.
Further, side elevation is formed using depending on the heel post that is fixed on steel core concrete column so that staircase
It is arranged in outside the tower body of granulation tower, function division is clearer and more definite, and steel using amount is less.
Further, by the setting of various web beams, the specific requirement that can be directed in different floors is adapted to
Property set, better meet actual requirement, reduce steel using amount.
Further, by the integral support for setting, while alien invasion globality is strengthened, improve construction and assemble
Efficiency, it is ensured that meet use requirement while reducing steel using amount.
Further, it is possible to increase compression bearing and tensile capacity of the steel core concrete column at node, improve
Node district intensity, makes to reach the design requirement of strong node in overall construction design.
Brief description of the drawings
Fig. 1 is the structural plan layout drawing of granulation tower tower mast system described in present example.
Fig. 2 for Fig. 1 1-1 to settings V-shaped support structural representation.
Fig. 3 is the 2-2 of Fig. 1 to structural representation.
Fig. 4 is the 3-3 of Fig. 1 to structural representation.
Fig. 5 for Fig. 1 1-1 to setting be integrally supported structural representation.
In figure：First steel core concrete column 1, the second steel core concrete column 2, first crossbeam 3, the first column braces 4, second
Crossbeam 5, the second column braces 6, the 3rd crossbeam 7, the 3rd column braces 8, heel post 9, connecting cross beam 10, the 4th crossbeam 11, tiltedly
Support 12, the first buttress brace 13, the second buttress brace 14, the 3rd buttress brace 15, pipe nipple beam 16, annulus beam 17, outer crossbeam 18.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
A kind of huge square steel construction granulation tower tower mast system of lattice column of the present invention, efficiency is produced to improve raw industry, will be filled
With change steel-tube construction form at home first Application in the square turriform of huge lattice column proposed on chemical fertilizer industry granulation tower.This
Invention uses space truss structure, and three steel core concrete columns at each angle are combined into four lattice columns, and the globality of tower body is more
By force, Lateral resisting ability is more preferable compared with support thin wall shape tower body is abound with.Lattice column sews material form mainly lacing and batten plate, lattice column
It is structurally characterized in that, by material area to the place arrangement remote apart from the axes of inertia, can guarantee that and strengthen structure under the conditions of same axial drag
Part anti-bending strength, and material-saving.Column braces of the present invention play lacing, not only increase the anti-bending strength of pillar,
And enhancing the globality of tower body structure so that structure is more stable.
The square steel construction granulation tower tower mast structure of the huge lattice column of novel fabricated proposed by the invention is directly applied to
Henan Supreme Being benefit fertilizer is produced per year in the engineerings such as 850,000 tons of composite fertilizer's project granulation towers, and effect is used with good in daily production process
Really；Because new tower mast structure construction speed is fast, can significantly shorten the duration, hence it is evident that increase economic efficiency.
Specifically, as Figure 1-Figure 5, it includes erectting fixed four first steel core concrete columns 1 and setting fixation
Eight second steel core concrete columns 2；The square setting of four first steel core concrete columns 1 and respectively corresponding vertex position point
Cloth；With between two first steel core concrete columns 1 on one side, side is provided with equally distributed two second concrete filled steel tubes altogether
Post 2；Piece first steel core concrete column 1 distinguishes two second steel core concrete columns 2 combination adjacent thereto and forms a lattice
Post, wherein, the first steel core concrete column 1 is respectively with two second steel core concrete columns 2 by some first crossbeams 3 and some the
One column braces 4 are connected, and pass through some second cross beams 5 and some second intercolumniations between two second steel core concrete columns 2 respectively
Support 6 is connected；The 3rd crossbeam 7 between two second steel core concrete columns 2 set by common side between adjacent two lattice column
Connected with the 3rd column braces 8, four lattice columns are sequentially connected and surround to form granulation tower inner cylinder cavity, four of granulation tower
Alien invasion surrounds to form four-prism.In this example, as shown in figure 1, by laterally the first steel core concrete column 1 from left to right,
Second steel core concrete column 2, the second steel core concrete column 2 and the first steel core concrete column 1 correspondence longitudinal axis be designated B, C,
D、E；First steel core concrete column 1 from bottom to top of longitudinal direction, the second steel core concrete column 2, the second steel core concrete column 2 and the
1., 2., 3., 4. the corresponding axis of pitch of one steel core concrete column 1 is designated.
As Figure 2-Figure 5, the first described column braces 4 are arranged between two adjacent first crossbeams 3, the second post
Between support 6 set between adjacent two second cross beams 5, the 3rd column braces 8 are set between two adjacent the 3rd crossbeams 7.
As Figure 1-Figure 5, the first crossbeam 3 of same layer high setting, second cross beam 5 and the 3rd crossbeam 7 form a horizontal stroke
Beam face；Crossbeam in crossbeam face corresponding with granulation tower flooring forms floor support using I-steel, and the crossbeam of remainder is used
Steel pipe.The crossbeam 7 of second cross beam 5 and the 3rd of same layer high setting passes sequentially through the second steel core concrete column 2 and is arranged alternately connection
Form octagon, eight corresponding vertex position distributions of second steel core concrete column 2；Each second steel core concrete column 2 is same
The octagon inner side of one floor height connects the annulus beam 17 set in annulus by pipe nipple beam 16；The outside of the 3rd crossbeam 7 is provided with
Outer crossbeam 18 in parallel, some annulus beams 17 being coaxially disposed form the circular cylindrical chamber inside granulation tower.
As depicted in figs. 1 and 2, the external side parallel of one alien invasion of granulation tower is provided with four heel posts 9；9 points of heel post
Not Tong Guo vertically disposed connecting cross beam 10 connected with the steel core concrete column 2 of corresponding first steel core concrete column 1 or second, phase
4th crossbeam 11 is set between adjacent heel post 9；Each lower section of connecting cross beam 10 is provided with and is fixed on corresponding first steel tube concrete
Bearing diagonal 12 on the steel core concrete column 2 of earth pillar 1 or second；Attached facade and adjacent alien invasion that four heel posts 9 are formed
Between surround the stair space and subsidiary space to form granulation tower, lift space is set in the lattice column adjacent with the alien invasion.
As shown in figure 1, being provided with the first buttress brace of vertical connection first crossbeam 3 and steel core concrete column 1 in lattice column
13, in the second buttress brace 14 parallel with first crossbeam 3, and the 3rd buttress brace 15 parallel with second cross beam 5 at least one
Kind.
As shown in figure 5, being arranged on same alien invasion and being distributed in a first intercolumniation branch between adjacent floor height crossbeam
Support 4, the 3rd column braces 8 and first column braces 4, are sequentially connected in being wholely set, and form two ends connection same
Two integral supports of the first steel core concrete column 1 on alien invasion；It is integrally supported and is mixed with two second steel pipes of same alien invasion
Solidifying earth pillar 2 is welded and fixed.
Mixed in concrete in four first steel core concrete columns 1 and eight fixed second steel core concrete columns 2 of setting
Enter the steel fibre of random distribution；Four first steel core concrete columns 1 and eight fixed pipes of the second steel core concrete column 2 of setting
Footpath is in from bottom to top steps reduction.
As shown in figs 2-4, the first column braces 4 are arranged between two adjacent first crossbeams 3, and one end is horizontal with one first
The connecting node connection of the steel core concrete column 1 of beam 3 and first, the other end and another concrete filled steel tube of first crossbeam 3 and second
The connecting node connection of post 2；The adjacent ending of the first column braces 4 in granulation tower bottom connects, the first adjacent intercolumniation branch of top
Support 4 is in same tilt towards setting.
Second column braces 6 and the 3rd column braces 8 are in the shape of the letter V setting；Second column braces 6 are arranged on two adjacent
Between two crossbeams 5, two ends are connected with the connecting node of a steel core concrete column 2 of second cross beam 5 and second, intermediate vertex with it is another
One second cross beam 5 is connected；3rd column braces 8 are arranged between two adjacent 3rd crossbeams 7, two ends and the 3rd crossbeam 7
Connecting node with the second steel core concrete column 2 is connected, and intermediate vertex is connected with another the 3rd crossbeam 7.
Claims (10)
1. the square steel construction granulation tower tower mast system of a kind of huge lattice column, it is characterised in that including erectting fixed four pieces the
One steel core concrete column (1) and eight fixed second steel core concrete columns (2) of setting；
The square setting of four described first steel core concrete columns (1) and respectively corresponding vertex position distribution；With on one side
Two first steel core concrete columns (1) between altogether side be provided with equally distributed two second steel core concrete columns (2)；
Piece the first steel core concrete column (1) two second steel core concrete columns (2) combination adjacent thereto respectively forms one
Lattice column, wherein, the first steel core concrete column (1) is respectively with two second steel core concrete columns (2) by some first crossbeams
(3) connected with some first column braces (4), pass through some second cross beams between two second steel core concrete columns (2) respectively
(5) connected with some second column braces (6)；
The 3rd crossbeam (7) between two second steel core concrete columns (2) set by common side between adjacent two lattice column and
The connection of 3rd column braces (8) surrounds to form granulation tower inner cylinder cavity, and four alien invasions of granulation tower surround to form positive four
Prism.
2. a kind of huge square steel construction granulation tower tower mast system of lattice column according to claim 1, it is characterised in that institute
The first column braces (4) stated are arranged between two adjacent first crossbeams (3), and the second column braces (6) set adjacent
Between two second cross beams (5), the 3rd column braces (8) are set between two adjacent the 3rd crossbeams (7).
3. a kind of huge square steel construction granulation tower tower mast system of lattice column according to claim 1, it is characterised in that same
First crossbeam (3), second cross beam (5) and the 3rd crossbeam (7) that one floor height is set form a crossbeam face；With granulation tower flooring pair
The crossbeam in crossbeam face is answered to form floor support using I-steel, the crossbeam of remainder uses steel pipe.
4. a kind of huge square steel construction granulation tower tower mast system of lattice column according to claim 1, it is characterised in that same
The second cross beam (5) and the 3rd crossbeam (7) that one floor height is set pass sequentially through the second steel core concrete column (2) and are arranged alternately connection shape
Into octagon, eight second steel core concrete column (2) corresponding vertex position distributions；Each second steel core concrete column (2) exists
The octagon inner side of same floor height connects the annulus beam (17) set in annulus by pipe nipple beam (16)；Outside 3rd crossbeam (7)
Side is provided with outer crossbeam (18) in parallel.
5. a kind of huge square steel construction granulation tower tower mast system of lattice column according to claim 1, it is characterised in that make
The external side parallel of grain one alien invasion of tower is provided with four heel posts (9)；Heel post (9) is horizontal by vertically disposed connection respectively
Beam (10) is connected with corresponding first steel core concrete column (1) or the second steel core concrete column (2), between adjacent heel post (9)
4th crossbeam (11) is set；Each connecting cross beam (10) lower section be provided be fixed on corresponding first steel core concrete column (1) or
Bearing diagonal (12) on second steel core concrete column (2)；The attached facade and adjacent alien invasion that four heel posts (9) are formed it
Between surround the stair space and subsidiary space to form granulation tower, lift space is set in the lattice column adjacent with the alien invasion.
6. a kind of huge square steel construction granulation tower tower mast system of lattice column according to claim 1, it is characterised in that lattice
First buttress brace (13) of vertical connection first crossbeam (3) and steel core concrete column (1) is provided with structure post, with first crossbeam
(3) at least one in parallel the second buttress brace (14), and the 3rd buttress brace (15) parallel with second cross beam (5).
7. a kind of huge square steel construction granulation tower tower mast system of lattice column according to claim 1, it is characterised in that set
Put on same alien invasion and be distributed in first column braces (4), the 3rd intercolumniation branch between adjacent floor height crossbeam
Support (8) and first column braces (4), are sequentially connected in being wholely set, and form on the same alien invasion of two ends connection two pieces the
The integral support of one steel core concrete column (1)；It is integrally supported and is welded with two second steel core concrete columns (2) of same alien invasion
It is fixed.
8. a kind of huge square steel construction granulation tower tower mast system of lattice column according to claim 1, it is characterised in that four
Mixed in the steel core concrete column of root first (1) and the concrete for erectting in eight fixed second steel core concrete columns (2) disorderly to
The steel fibre of distribution；Four first steel core concrete columns (1) and eight fixed calibers of the second steel core concrete column (2) of setting
It is in from bottom to top steps reduction.
9. a kind of huge square steel construction granulation tower tower mast system of lattice column according to claim 1, it is characterised in that
One column braces (4) are arranged between two adjacent first crossbeams (3), one end and a first crossbeam (3) and the first steel tube concrete
The connecting node connection of earth pillar (1), the other end and another first crossbeam (3) and the connection section of the second steel core concrete column (2)
Point connection；Adjacent the first column braces (4) ending in granulation tower bottom connects, and adjacent the first column braces (4) in top are in phase
Set with direction is inclined.
10. a kind of huge square steel construction granulation tower tower mast system of lattice column according to claim 1, it is characterised in that
Second column braces (6) and the 3rd column braces (8) are in the shape of the letter V setting；Second column braces (6) are arranged on two adjacent second
Between crossbeam (5), two ends are connected with the connecting node of a second cross beam (5) and the second steel core concrete column (2), intermediate vertex
It is connected with another second cross beam (5)；3rd column braces (8) are arranged between two adjacent 3rd crossbeams (7), two ends with one
The connecting node connection of the 3rd crossbeam (7) and the second steel core concrete column (2), intermediate vertex is with another the 3rd crossbeam (7) even
Connect.
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