CN106996148A - Multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure and preparation method - Google Patents
Multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure and preparation method Download PDFInfo
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- CN106996148A CN106996148A CN201710204991.9A CN201710204991A CN106996148A CN 106996148 A CN106996148 A CN 106996148A CN 201710204991 A CN201710204991 A CN 201710204991A CN 106996148 A CN106996148 A CN 106996148A
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Classifications
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- 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
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
Abstract
The invention discloses a kind of multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure and preparation method, the concrete floor system plane of multilayer large-span building is long narrow shape, and the ratio between long short side Lx/Ly > 1.5.The periphery supporting structural system of the large span orthogonal-diagonal lattice concrete empty stomach superstructure of prefabrication and assembly construction by the concrete frame structure of large pillar net in-situ casting, is changed close post Mi Liang concrete grid type framework, and require that superstructure size of mesh opening is equal to close post colum network size by the present invention.Each close post of layer is in addition to the linking beam of superstructure position, its window is suitable for reading and Xia Kou positions set small linking beam, so that periphery supporting system changes into grid type framework by framework, after being gridding due to horizontal superstructure and vertical support system, structural system changes into the space lattice orthogonal-diagonal lattice space lattice box structure new system of the mechanical model with " plate ".
Description
Technical field
The present invention relates to multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure and preparation method,
Belong to multilayer public building technical field.
Background technology
Industry and public building superstructure when multilayer large-span reinforced concrete structure, in order that under building cover structure deadweight
Drop, using orthogonal spatial hollow floor system (ZL97200102.6 and ZL200610200188.X), when superstructure plane length and span
The ratio between Lx/Ly > 1.5 when, hollow floor system should make superstructure both direction using orthogonal-diagonal lattice (number of patent application 201511060.2)
Uniform force.Such a superstructure such as in-situ casting, the upper and lower chord member crossover node of concrete empty stomach beam of intersection has 406, makes building
Lid difficulty of construction increases, and has declared " large span assembled orthogonal-diagonal lattice hollow floor system patented technology " again on this basis, such as Fig. 1
Shown superstructure plane, superstructure, which is divided into several prefabricated A, B, C cell, makes building roof component change into prefabrication and assembly construction by in-situ casting.
The supporting structure on Fig. 1 hollow floor system periphery is still conventional cast-in-place frame structure, under the conditions of single span multilayer large-span, and it resists
Side rigidity often can not meet code requirement, be this by periphery large pillar net concrete frame structure, change into the close post in periphery, Mi Liang net
Lattice frame girder construction, forms horizontal superstructure orthogonal-diagonal lattice empty stomach grid and is rigidly connected with the vertical grid in periphery in superstructure position
Afterwards, " multilayer large-span orthogonal-diagonal lattice concrete space lattice box structure " new system is formed, structure anti-side is being increased substantially
Structure material is reduced while rigidity.Because periphery concrete net lattice frame still uses in-situ casting, hinder architectural engineering
Industrialization, proposes prefabricated assembled concrete grid type framework new technology hereby, so that the structural system of whole building reaches
To the industrial requirement of prefabrication and assembly construction
The content of the invention
It is an object of the invention to overcome the drawbacks described above that prior art is present, propose that multilayer large-span assembled is orthogonal tiltedly
Put assembled concrete space lattice box structure and preparation method.
The present invention solves its technical problem and is achieved through the following technical solutions:
Multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure, including using multilayer large-span dress
With formula concrete orthogonal-diagonal lattice hollow floor system as building cover structure, and every floor is used as using concrete prefabricated grid type wall stand
The support of lid, it is characterised in that:The grid and concrete of the multilayer large-span assembly concrete orthogonal-diagonal lattice hollow floor system
The column grid correspondent equal of prefabricated mesh formula wall stand, and be rigidly connected each other in intersection;
The concrete prefabricated grid type wall stand include corresponding to orthogonal-diagonal lattice hollow floor system grid be vertically arranged it is vertical
The linking beam of post, the adjacent two root posts of connection, the linking beam includes the main linking beam at orthogonal-diagonal lattice hollow floor system, position
The first small linking beam in window position of upper and the second small linking beam positioned at window Xia Kou positions;It is the main linking beam, first small
Linking beam and the second small linking beam are parallel to each other;
The concrete prefabricated grid type wall stand is mainly spliced by prefabricated unit, the prefabricated unit include one with
On the linking beam and more than one column being parallel to each other that are parallel to each other, the linking beam and column are in the same plane mutually just
Hand over the grid prefabricated unit for constituting different shape structure;
The plane that the concrete prefabricated grid type wall stand is surrounded is rectangle, and concrete prefabricated grid type wall stand is surrounded
The length of plane be Lx, the span of the plane that concrete prefabricated grid type wall stand is surrounded is Ly, wherein 1.5 < Lx/Ly.
Further, the grid prefabricated unit that the linking beam and column are constituted include groined type unit A1, A2, B1 and
B2, π font unit C1, C2, C3, open font unit B 3, dry font unit B 4, H-shaped unit Ac, Ba, and F shape units C4;It is described
A1, A2 are included in a first small linking beam orthogonal in same plane, the second small linking beam and a two root posts, described
B1, B2 are included in two main linking beams orthogonal in same plane and two root posts;Described C1, C3 are included in same plane
An interior orthogonal first small linking beam, the second small linking beam and a root post, the C2 are included in the same plane just
The two main linking beams and a root post handed over;The B3 is vertical including two orthogonal in the same plane main linking beams and two
Post;The B4 includes two main linking beams and a root post orthogonal in the same plane;The Ac includes first little Lian
Binder, the second small linking beam and a root post, the column that Ba is included in two main linking beams and a root post, Ac and Ba are equal
Through about two parallel linking beams;The C4 includes two main linking beams and a root post.
Further, the grid prefabricated unit that the linking beam and column are constituted is also including unit Aa and Ab, and the Aa is mono-
Member includes the first small linking beam, the second small linking beam and a two root posts, wherein the first small linking beam is stood through two
Post, the second small linking beam root post therethrough, and the second small linking beam connect with another root post, and two root posts run through
First small linking beam and the second small linking beam;Ab units include a first small linking beam, a second small linking beam and one
Column, wherein the first small linking beam runs through column, the second small linking beam connects with column, column through the first small linking beam with
Second small linking beam.
Further, the periphery in the concrete prefabricated grid type wall stand span direction it is main by prefabricated unit C1, C2,
C3, C4, B3 and B4 are spliced;The inside in the concrete prefabricated grid type wall stand span direction it is main by prefabricated unit A1,
A2, Aa, Ab, Ac, B1, B2 and Ba are spliced.
Further, the first layer in the concrete prefabricated grid type wall stand span direction, which is arranged, is:C1 units distinguish position
A door opening is constituted by an Aa unit and an Ab unit in the middle of two ends, first layer, the remainder of first layer is A1
Unit;The arrangement of the first layer superstructure stitching portion in the concrete prefabricated grid type wall stand span direction is:C2 units distinguish position
In two ends, centre is B1 units and a Ba unit, and Ba units are located at the top of first layer Ab units;The concrete prefabricated net
The second layer in form wall stand span direction is arranged:C3 units are located at two ends respectively, and centre is A2 units and an Ac unit, Ac
Unit is located at the top of first layer superstructure stitching portion Ba units;The second layer in the concrete prefabricated grid type wall stand span direction
The arrangement of superstructure stitching portion is:C2 units are located at two ends respectively, and centre is B2 units and a Ba unit, and Ba units are located at second
The top of layer Ac units;The third layer in the concrete prefabricated grid type wall stand span direction is arranged:C3 units are located at respectively
Two ends, centre is A2 units and an Ac unit, and Ac units are located at the top of second layer superstructure stitching portion Ba units;The coagulation
The arrangement of the third layer superstructure stitching portion in native prefabricated mesh formula wall stand span direction is:C4 points are that, positioned at two ends, centre is mono- for B3
Member and a B4 unit, B4 units are located at the top of third layer Ac units.
Further, the prefabricated unit and superstructure orthogonal-diagonal lattice of precasting yard difference precast concrete prefabricated mesh formula wall stand are mixed
The prefabricated unit of solidifying soil empty stomach grid;The installation procedure of prefabricated component is to carry out from bottom to top layer upon layer, first installs first
The prefabricated unit of layer periphery precast concrete prefabricated mesh formula wall stand, then first layer superstructure orthogonal-diagonal lattice concrete empty stomach net is installed
The prefabricated unit of lattice, and after the completion of carrying out stitching position and in-situ casting, first layer process, the second layer is carried out to be same as first
The construction of layer.
Beneficial effects of the present invention are:
The present invention adapts to the ratio between superstructure plane length and span Lx/Ly > 1.5 situation, makes whole superstructure uniform force.
Simultaneously by periphery large pillar net concrete frame structure, the close post in periphery, Mi Liang grid type frame beam structure are changed into, horizontal superstructure is formed
After orthogonal-diagonal lattice empty stomach grid is rigidly connected with the vertical grid in periphery in superstructure position, " multilayer large-span orthogonal-diagonal lattice is mixed for formation
Solidifying soil space lattice box structure " new system, structure material is reduced while structure anti-side rigidity is increased substantially.And by week
Side concrete net case frame be changed to by in-situ casting it is prefabricated assembled, using assembly concrete grid type framework, i.e., and superstructure
Identical method, makes concrete net lattice frame construction unit, now multilayer large-span orthogonal-diagonal lattice concrete space lattice
The construction method of the entire infrastructure system of box structure, is changed into the industrialization new structure body of prefabrication and assembly construction by in-situ casting
System.
Brief description of the drawings
Fig. 1 is the prefabricated assembled orthogonal-diagonal lattice hollow floor system grid cell of three layers of large span (Ly=30m) public building
(A, B, C, D) layout drawing, length Lx=7 × 7.5=52.5m, periphery is still the conventional concrete frame knot of in-situ casting post net
Structure;
Fig. 2 is that Fig. 1 periphery pillar nets 7.5m concrete frame structure is changed into periphery concrete mesh type frame structure
Schematic diagram;
Fig. 3 is the concrete net lattice frame structural representation in the span direction (Ly=30m) of corresponding diagram 2, the first floor height 9m,
It is 7.5m that second and third is high layer by layer, total a height of 24m, and it changes into 3 × 8 × 3- by 3 × 4=12 grid of former 7.5m frameworks
2=70 grid (door opening reduces by 2 grids), grid number is 6 times of former frame mesh;
Fig. 4 is first layer A1, B1 unit and the schematic diagram of second layer A2 unit overall sizes in Fig. 3;
Fig. 5 is B1 cellular construction schematic diagrams;
Fig. 6 is the axonometric schematic diagram of second layer corner C3 units.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
The present invention be directed to three floor lids implement, its superstructure plane be the long narrow shape plane of rectangle, its long side Lx=7 ×
7500=52500mm, short side (span) Ly=4 × 7500=30000mm, the ratio between long short side Lx/Ly=52500/30000=
1.75 > 1.5, suitably using the present invention program.
Multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure of the present invention is three layers, and first layer by layer
I.e. the floor height of the bottom is 9m, and second layer floor height and third layer floor height are 7.5m.As shown in figure 3, span direction is short branch
Bearing structure, if former frame structure, post net 7.5m, whole building composition 3 × 4 (post netting indexs)=12 grids.Net is changed to herein
After lattice frame structure, grid number n=8 × 3 × 3=72 of whole breast-wall, be the former 6 times, after gridding,
While supporting structure internal force is evenly distributed and reduced, structure is under horizontal force action under (wind, earthquake), and its bending resistance and shearing resistance are firm
Degree is increased substantially.
Multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure, including using multilayer large-span dress
With formula concrete orthogonal-diagonal lattice hollow floor system as building cover structure, and every floor is used as using concrete prefabricated grid type wall stand
The support of lid.The grid of multilayer large-span assembly concrete orthogonal-diagonal lattice hollow floor system and concrete prefabricated grid type wall stand
Column grid correspondent equal, and be rigidly connected each other in intersection.
Concrete prefabricated grid type wall stand includes corresponding to the column being vertically arranged of orthogonal-diagonal lattice hollow floor system grid, connected
Connect the linking beam of adjacent two root posts, linking beam includes being located at main linking beam at orthogonal-diagonal lattice hollow floor system, suitable for reading positioned at window
First small linking beam of position and the second small linking beam positioned at window Xia Kou positions.Main linking beam, the first small linking beam and second
Small linking beam is parallel to each other.
Concrete prefabricated grid type wall stand is mainly spliced by prefabricated unit, and prefabricated unit, which includes more than one, mutually puts down
Capable linking beam and more than one column being parallel to each other, linking beam and column are mutually orthogonal in the same plane to constitute not similar shape
The grid prefabricated unit of shape structure.
The plane that concrete prefabricated grid type wall stand is surrounded is rectangle, and it is flat that concrete prefabricated grid type wall stand is surrounded
The length in face is Lx, and the span for the plane that concrete prefabricated grid type wall stand is surrounded is Ly, wherein 1.5 < Lx/Ly.
The grid prefabricated unit that linking beam and column are constituted includes groined type unit A1, A2, B1 and B2, π font units C1,
C2, C3, open font unit B 3, dry font unit B 4, H-shaped unit Ac, Ba, and F shape units C4.A1, A2 are included in same flat
An orthogonal first small linking beam, the second small linking beam and a two root posts in face, B1, B2 are included in same plane
Two orthogonal main linking beams and two root posts.C1, C3 are included in the first small linking beam, one orthogonal in same plane
The small linking beam of root second and a root post, C2 include two main linking beams and a root post orthogonal in the same plane.B3 bags
Include orthogonal in the same plane two main linking beams and two root posts.B4 includes two orthogonal in the same plane masters and linked
Beam and a root post.Ac includes the first small linking beam, the second small linking beam and a root post, and Ba includes two main companies
Binder and a root post, Ac and the column in Ba are through about two parallel linking beams.C4 include two main linking beams and
One root post.
The grid prefabricated unit that linking beam and column are constituted, which also includes unit Aa and Ab, Aa unit, includes first little Lian
Binder, the second small linking beam and a two root posts, wherein the first small linking beam runs through two root posts, the second small linking beam runs through
A wherein root post, and the second small linking beam connects with another root post, two root posts run through the first small linking beam and second
Small linking beam.Ab units include the first small linking beam, the second small linking beam and a root post, wherein first small links
Beam runs through column, and the second small linking beam connects with column, and column runs through the first small linking beam and the second small linking beam.
The periphery in concrete prefabricated grid type wall stand span direction is main to be spelled by prefabricated unit C1, C2, C3, C4, B3 and B4
Connect and form.The inside in concrete prefabricated grid type wall stand span direction it is main by prefabricated unit A1, A2, Aa, Ab, Ac, B1, B2 and
Ba is spliced.
The first layer in concrete prefabricated grid type wall stand span direction is arranged:C1 units are located at two ends, first layer respectively
Centre constitutes a door opening by an Aa unit and an Ab unit, and the remainder of first layer is A1 units.Concrete is pre-
The arrangement of the first layer superstructure stitching portion in grid type wall stand span direction processed is:C2 units are located at two ends respectively, and centre is mono- for B1
Member and a Ba unit, Ba units are located at the top of first layer Ab units.The of concrete prefabricated grid type wall stand span direction
Two layers of arrangement are:C3 units are located at two ends respectively, and centre is A2 units and an Ac unit, and Ac units are spelled positioned at first layer superstructure
Connect the top of place's Ba units.The arrangement of the second layer superstructure stitching portion in concrete prefabricated grid type wall stand span direction is:C2 is mono-
Member is located at two ends respectively, and centre is B2 units and a Ba unit, and Ba units are located at the top of second layer Ac units.Concrete is pre-
The third layer in grid type wall stand span direction processed is arranged:C3 units are located at two ends respectively, and centre is that A2 units and an Ac are mono-
Member, Ac units are located at the top of second layer superstructure stitching portion Ba units.The 3rd of concrete prefabricated grid type wall stand span direction
The arrangement of floor lid stitching portion is:C4 points are that, positioned at two ends, centre is B3 units and a B4 unit, and B4 units are located at third layer
The top of Ac units.
Precasting yard distinguishes the prefabricated unit and superstructure orthogonal-diagonal lattice concrete empty stomach of precast concrete prefabricated mesh formula wall stand
The prefabricated unit of grid;The installation procedure of prefabricated component is to carry out from bottom to top layer upon layer, first installs first layer periphery pre-
The prefabricated unit of concrete prefabricated grid type wall stand is made, then the prefabricated of first layer superstructure orthogonal-diagonal lattice concrete empty stomach grid is installed
Unit, and after the completion of carrying out stitching position and in-situ casting, first layer process, carries out being same as first layer applying to the second layer
Work.Reserved steel bar of the connection of each unit by being reserved in linking beam and column.
Concrete net lattice frame is manufactured the engineering method installed again using precasting yard, saved according to floor height, door-window opening size
A large amount of templates and man-hour.Such as mount wall space first layer B1 prefabricated mesh unit totally 6, original needs 5 sets templates, be changed to it is prefabricated after,
Need 1 set of template.And for example second layer C3 prefabricated units, it is located at four corners of the second layer, 4 cover dies is needed during former in-situ casting
Plate, being changed to prefabricated rear needs 1 set of template.Fig. 6 is C3 prefabricated unit shaft side figures.The structural system built when multilayer large-span is from week
Side is supported after the structural system total-grid with superstructure, forms multilayer large-span assembled integral concrete orthogonal-diagonal lattice space
Grid box structure new system, is that architectural engineering assembling and industrialization step upper major step.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure, it is characterised in that:Including adopting
With multilayer large-span assembly concrete orthogonal-diagonal lattice hollow floor system as building cover structure, and use concrete prefabricated grid type
Wall stand as every floor lid support, it is characterised in that:The multilayer large-span assembly concrete orthogonal-diagonal lattice hollow floor system
Grid and concrete prefabricated grid type wall stand column grid correspondent equal, and be rigidly connected each other in intersection;
The concrete prefabricated grid type wall stand includes corresponding to the column being vertically arranged of orthogonal-diagonal lattice hollow floor system grid, connected
The linking beam of adjacent two root posts is connect, the linking beam is including the main linking beam at orthogonal-diagonal lattice hollow floor system, positioned at window
First small linking beam of position of upper and the second small linking beam positioned at window Xia Kou positions;The main linking beam, first small link
Beam and the second small linking beam are parallel to each other;
The concrete prefabricated grid type wall stand is mainly spliced by prefabricated unit, and the prefabricated unit includes more than one phase
Mutual parallel linking beam and more than one column being parallel to each other, the linking beam and column mutually orthogonal structure in the same plane
Into the grid prefabricated unit of different shape structure;
The plane that the concrete prefabricated grid type wall stand is surrounded is rectangle, and it is flat that concrete prefabricated grid type wall stand is surrounded
The length in face is Lx, and the span for the plane that concrete prefabricated grid type wall stand is surrounded is Ly, wherein 1.5 < Lx/Ly.
2. multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure as claimed in claim 1, it is special
Levy and be:The grid prefabricated unit that the linking beam and column are constituted includes groined type unit A1, A2, B1 and B2, π font units
C1, C2, C3, open font unit B 3, dry font unit B 4, H-shaped unit Ac, Ba, and F shape units C4;Described A1, A2 are included in
An orthogonal first small linking beam, the second small linking beam and a two root posts in same plane, described B1, B2 are included in
Two orthogonal main linking beams and two root posts in same plane;Described C1, C3 are included in orthogonal in same plane one
First small linking beam, the second small linking beam and a root post, the C2 include two orthogonal in the same plane main companies
Binder and a root post;The B3 includes orthogonal in the same plane two main linking beams and two root posts;The B4 includes
Orthogonal two main linking beams and a root post in the same plane;The Ac include first small linking beam, one piece second
Small linking beam and a root post, the column that Ba is included in two main linking beams and a root post, Ac and Ba run through about two
Parallel linking beam;The C4 includes two main linking beams and a root post.
3. multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure as claimed in claim 2, it is special
Levy and be:The grid prefabricated unit that the linking beam and column are constituted also includes unit Aa and Ab, and the Aa units include one
First small linking beam, the second small linking beam and a two root posts, wherein the first small linking beam runs through two root posts, the second little Lian
A binder root post therethrough, and the second small linking beam connects with another root post, two root posts small are linked through first
Beam and the second small linking beam;Ab units include the first small linking beam, the second small linking beam and a root post, wherein the
One small linking beam runs through column, and the second small linking beam connects with column, and column runs through the first small linking beam and second and small linked
Beam.
4. multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure as claimed in claim 3, it is special
Levy and be:The periphery in the concrete prefabricated grid type wall stand span direction is main by prefabricated unit C1, C2, C3, C4, B3 and B4
It is spliced;The inside in the concrete prefabricated grid type wall stand span direction it is main by prefabricated unit A1, A2, Aa, Ab, Ac,
B1, B2 and Ba are spliced.
5. multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure as claimed in claim 4, it is special
Levy and be:The first layer in the concrete prefabricated grid type wall stand span direction is arranged:C1 units are located at two ends, first respectively
A door opening is constituted by an Aa unit and an Ab unit in the middle of layer, the remainder of first layer is A1 units;It is described mixed
The arrangement of the first layer superstructure stitching portion in solidifying soil prefabricated mesh formula wall stand span direction is:C2 units are located at two ends respectively, middle
For B1 units and a Ba unit, Ba units are located at the top of first layer Ab units;The concrete prefabricated grid type wall stand across
The second layer in degree direction, which is arranged, is:C3 units are located at two ends respectively, and centre is A2 units and an Ac unit, and Ac units are located at the
The top of first floor lid stitching portion Ba units;The second layer superstructure stitching portion in the concrete prefabricated grid type wall stand span direction
Arrangement be:C2 units are located at two ends respectively, and centre is B2 units and a Ba unit, and Ba units are located at second layer Ac units
Top;The third layer in the concrete prefabricated grid type wall stand span direction is arranged:C3 units are located at two ends respectively, and centre is
A2 units and an Ac unit, Ac units are located at the top of second layer superstructure stitching portion Ba units;The concrete prefabricated grid
The arrangement of the third layer superstructure stitching portion in formula wall stand span direction is:C4 points are that, positioned at two ends, centre is B3 units and a B4
Unit, B4 units are located at the top of third layer Ac units.
6. the making of multilayer large-span assembled orthogonal-diagonal lattice assembled concrete space lattice box structure as claimed in claim 5
Method, it is characterised in that:The prefabricated unit and superstructure orthogonal-diagonal lattice of precasting yard difference precast concrete prefabricated mesh formula wall stand are mixed
The prefabricated unit of solidifying soil empty stomach grid;The installation procedure of prefabricated component is to carry out from bottom to top layer upon layer, first installs first
The prefabricated unit of layer periphery precast concrete prefabricated mesh formula wall stand, then first layer superstructure orthogonal-diagonal lattice concrete empty stomach net is installed
The prefabricated unit of lattice, and after the completion of carrying out stitching position and in-situ casting, first layer process, the second layer is carried out to be same as first
The construction of layer.
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CN107630509A (en) * | 2017-09-21 | 2018-01-26 | 湖南金海钢结构股份有限公司 | A kind of compound orthogonal-diagonal lattice space steel lattice boxlike tube-in-tube structure of assembled |
CN109469351A (en) * | 2018-11-30 | 2019-03-15 | 浙江精工钢结构集团有限公司 | A kind of terminal, which is not suspended, reconstructs modular construction guard fender and its construction method |
CN109469351B (en) * | 2018-11-30 | 2021-07-13 | 浙江精工钢结构集团有限公司 | Unit type construction enclosure for rebuilding airport terminal without stopping navigation and construction method thereof |
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