CN206174126U - Steel shotcrete equivalence wall unit and faced wall unit - Google Patents
Steel shotcrete equivalence wall unit and faced wall unit Download PDFInfo
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- CN206174126U CN206174126U CN201720063144.0U CN201720063144U CN206174126U CN 206174126 U CN206174126 U CN 206174126U CN 201720063144 U CN201720063144 U CN 201720063144U CN 206174126 U CN206174126 U CN 206174126U
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- column
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- bracing members
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Abstract
The utility model relates to an architectural engineering technology field discloses a steel shotcrete equivalence wall unit and faced wall unit to the lateral stiffness that the improvement was construct, anti side bearing capacity and stability, and satisfy the nimble requirement of arranging, easily being under construction of building activities and losses. This steel shotcrete equivalence wall unit is including stand, K type support frame to and the level setting and with the twice crossbeam that stand and K type support frame both ends are connected, wherein, K type support frame includes vertical supporting rod and two diagonal braces, vertical setting of vertical supporting rod and both ends are connected with the crossbeam that corresponds respectively, two diagonal braces and vertical supporting rod are the setting of K type, and every diagonal brace one end connects in the vertical supporting rod middle part, and the other end is connected with the stand.
Description
Technical field
The utility model is related to construction engineering technical field, the equivalent wall unit of more particularly to a kind of bracing members and faced wall list
Unit.
Background technology
Steel building is compared for traditional concrete construction, and intensity is higher, and shock resistance is more preferable.And because component can
With batch production making, in-site installation, it is thus possible to greatly reduce the duration；Steel in steel building can be recycled, can
To greatly reduce building waste, more environmental protection；Thus be widely adopted, apply in industrial building and civil buildings.
To improve the anti-side rigidity and limit lateral capacity of building in existing steel building, generally adopt and arrange big
Support, steel plate wall or steel plate combination wall are solved, but there is support and be difficult to find that suitable position；Steel column section is more than wall
, there is projection external corner in room corner in thickness, affects interior architecture to use function；Steel plate wall or steel plate combination wall construction welding capacity
Greatly, the problems such as floor bar is difficult construction at wall.
Utility model content
The utility model provides a kind of equivalent wall unit of bracing members and faced wall unit, firm with the anti-side for improving building
Degree, limit lateral capacity and stability, and meet building function flexible arrangement, easy working requirement.
To reach above-mentioned purpose, the utility model provides technical scheme below：
A kind of equivalent wall unit of bracing members, including column, K-type bracing frame, and it is horizontally disposed and with the column and K-type
The twice crossbeam of bracing frame two ends connection, wherein, K-type bracing frame includes perpendicular strut and two hounds, and the perpendicular strut is vertical
Arrange and two ends connect respectively with corresponding crossbeam, two hounds and perpendicular strut are arranged in K-type, and every hound one
End is connected to perpendicular strut middle part, and the other end is connected with column.
Optionally, the column includes that rectangle steel tubing string, circular steel tubing string, rectangular steel-tube concrete column, round steel pipe are mixed
Solidifying earth pillar, I-shaped steel column, cross I-shaped steel and steel post, double flute shape steel column or L-shaped, T-shaped, groined type abnormal shape compound section steel column；Often
Road crossbeam is steel I-beam.
Preferably, the column side has crossbeam connection end with crossbeam junction, and crossbeam connection end section is in
I shape.
Optionally, when the column is rectangular steel pipe or concrete-filled rectangular steel tube, the crossbeam connection end connects with column
Meeting place can arrange inner ring plate or outer ring plate on column；Or the connection of edge of a wing side is set in the laminating of crossbeam connection end flange plate both sides
Plate, and crossbeam connection end flange plate width and two edge of a wing side connecting plate thickness sums are not more than the section length of side of the column.
Optionally, when the column is round steel pipe or circular steel tube concrete, the crossbeam connection end connects with column
Connect to be on column and inner ring plate or outer ring plate are set.
Optionally, when the column is I-shaped steel column, cross I-shaped steel and steel post, double flute shape steel column or L-shaped, T-shaped, groined type
During special-shaped compound section steel column, the crossbeam connection end arranges diaphragm plate with column junction on column.
Preferably, per pass crossbeam be connected using butt welding at the section edge of a wing of the crossbeam connection end, and per pass is horizontal
The web of beam and the crossbeam connection end passes through connecting plate bolt connection.
Preferably, every hound and column junction are provided with connection member, the connection member include T-shaped end plate and
Otic placode, the T-shaped end plate connects with corresponding hound, and the otic placode is connected with the crossbeam connection end of every root post, and the T
Type end plate and otic placode pass through hinge.
Preferably, every crossbeam passes through montant end-plate bolted connections, and every crossbeam and perpendicular strut with perpendicular strut junction
Ribbed stiffener is provided with the corresponding cantilever diaphragm in junction.
Optionally, the hound and perpendicular strut include that round steel pipe, rectangular steel pipe, I-steel are supported, T steel is propped up
Support, L-shaped bracing members, flute profile bracing members, cross bracing members, anti-buckling support or damper.
The equivalent wall unit of bracing members that the utility model embodiment is provided includes column, K-type bracing frame, and horizontally disposed
And the twice crossbeam being connected with the column and K-type bracing frame two ends, wherein, K-type bracing frame includes perpendicular strut and two diagonal braces
Bar, the perpendicular strut is vertically arranged and two ends connect respectively with corresponding crossbeam, and two hounds and perpendicular strut set in K-type
Put, and every hound one end is connected to perpendicular strut middle part, the other end is connected with column, it is possible to increase the anti-side of building structure is firm
Degree, hound acts on perpendicular strut middle part and avoids the steel column flexing that column caused by lateral forces and collapses, so as to carry
The limit lateral capacity and stability of high building, and projection external corner is solved the problems, such as, meet building function flexible arrangement, easily construction
Requirement.
The utility model embodiment additionally provides a kind of " yi word pattern " faced wall unit, including two steel as above
Support equivalent wall unit, the equivalent wall unit of described two bracing members is symmetrical arranged in 180 degree angle, and described two bracing members are equivalent
The same root post of wall units shared, the crossbeam and K-type bracing frame of the equivalent wall unit of each bracing members and a side phase of column
Connection.
The utility model embodiment additionally provides a kind of " L-type " faced wall unit, including two bracing members as above
Equivalent wall unit, the equivalent wall unit of described two bracing members is in 90 degree angles settings, and the equivalent wall unit of described two bracing members
Same root post is shared, the crossbeam and K-type bracing frame of the equivalent wall unit of each bracing members are connected with a side of column.
The utility model embodiment additionally provides a kind of " T-shaped " faced wall unit, including three bracing members as above
Equivalent wall unit, the equivalent wall unit of two of which bracing members is symmetrical arranged in 180 degree angle；The equivalent wall unit of 3rd bracing members
Arrange in 90 degree of angles with the equivalent wall unit of another two bracing members；Same of the equivalent wall units shared of three bracing members stands
Post, the crossbeam and K-type bracing frame of the equivalent wall unit of each bracing members are connected with a side of column.
The utility model embodiment additionally provides a kind of " cross " faced wall unit, including four steel as above
Support equivalent wall unit, the equivalent wall unit of four bracing members is mutually symmetrical arranged in 90 degree of angles, and four bracing members etc.
The same root post of effect wall units shared, the crossbeam and K-type bracing frame of the equivalent wall unit of each bracing members and a side of column
It is connected.
The multiple combination wall unit that the utility model embodiment is provided, including two, three or four steel as above
Support equivalent wall unit, the same root post of the equivalent wall units shared of the plurality of bracing members, and be in 90 degree or 180 degree around column
Angle is symmetrical arranged, and disclosure satisfy that the flexible arrangement of construction wall, and further improves the anti-side rigidity of building, limit lateral capacity
And stability.
Description of the drawings
Fig. 1 for the equivalent wall unit of bracing members that the embodiment of the utility model one is provided structural representation；
Fig. 2 for the equivalent wall unit of bracing members that the embodiment of the utility model one is provided partial structural diagram one；
Fig. 3 for the equivalent wall unit of bracing members that the embodiment of the utility model one is provided partial structural diagram two；
Fig. 4 for the equivalent wall unit of bracing members that another embodiment of the utility model is provided structural representation；
The structural representation of " yi word pattern " faced wall unit that Fig. 5 is provided for the preferred embodiment of the utility model one；
The structural representation of " L-type " faced wall unit that Fig. 6 is provided for another preferred embodiment of the utility model；
The structural representation of " T-shaped " faced wall unit that Fig. 7 is provided for the utility model another preferred embodiment；
The structural representation of " cross " faced wall unit that Fig. 8 is provided for the utility model further embodiment.
Reference：
1- columns
2- crossbeams
3-K type bracing frames
31- erects strut
32- hounds
33- montant end plates
4- crossbeams connection end
5- edges of a wing side connecting plate
6- connecting plates
7- connection members
71-T type end plates
72- otic placodes
73- bearing pins
8- ribbed stiffeners
Specific embodiment
To improve anti-side rigidity, limit lateral capacity and the stability of building, and meet building function flexible arrangement, easily construction
Requirement, the utility model embodiment provides a kind of equivalent wall unit of bracing members and faced wall unit.To make the utility model
Purpose, technical scheme and advantage it is clearer, the utility model is described in further detail by the following examples.
With reference to Fig. 1, the equivalent wall unit of bracing members that a kind of embodiment of the utility model is provided, including the support of column 1, K-type
Frame 3, and twice crossbeam 2 that is horizontally disposed and being connected with the column 1 and the two ends of K-type bracing frame 3, wherein, K-type bracing frame 3
Including perpendicular strut 31 and two hounds 32, the perpendicular strut 31 is vertically arranged and two ends connect respectively with corresponding crossbeam 2, institute
State two hounds 32 and perpendicular strut 31 to arrange in K-type, and every one end of hound 32 is connected to the middle part of perpendicular strut 31, the other end
It is connected with column 1.
The equivalent wall unit of bracing members that the utility model embodiment is provided, including column, K-type bracing frame, and level set
The twice crossbeam put and be connected with the column and K-type bracing frame two ends, wherein, K-type bracing frame includes erecting strut and two are oblique
Strut, the perpendicular strut is vertically arranged and two ends connect respectively with corresponding crossbeam, and two hounds and perpendicular strut are in K-type
Arrange, and every hound one end is connected to perpendicular strut middle part, the other end is connected with column, it is possible to increase the anti-side of building structure
Rigidity, hound acts on perpendicular strut middle part and avoids the steel column flexing that column caused by lateral forces and collapses, so as to
The limit lateral capacity and stability of building are improved, and solves the problems, such as projection external corner, met building function flexible arrangement, easily apply
The requirement of work.
Post of not being antagonistic in the utility model embodiment is specifically limited, including rectangle steel tubing string, circular steel tubing string, square
Shape steel core concrete column, circular steel tube concrete post, I-shaped steel column, cross I-shaped steel and steel post, double flute shape steel column or L-shaped, T-shaped,
The abnormal shape such as groined type compound section steel column, can be selected in construction according to actual conditions, improve the utility model steel construction
The scope of application.Preferably, per pass crossbeam is I-shaped gooseneck.I-shaped gooseneck is while ensure that preferable bearing strength
The consumption of steel and the deadweight of steel construction can be reduced, so as to reduces cost.
In a specific embodiment of the present utility model, column 1 is rectangular steel pipe column, and crossbeam 2 is I-shaped gooseneck.
As shown in Fig. 2 the side of rectangular steel pipe column 1 has crossbeam connection end 4 with the junction of crossbeam 2, and the section of crossbeam connection end 4 is in
I shape.The setting of crossbeam connection end 4 causes that connection between column 1 and crossbeam 2 is more convenient, is easily achieved, and connects strong
Degree is also higher.Fit with the flange plate both sides of the junction of rectangular steel pipe column 1 and be provided with edge of a wing side connecting plate 5 in crossbeam connection end 4.
The setting of edge of a wing side connecting plate 5 ensure that the power of crossbeam 2 is effectively passed on column 1, and column 1 can be without arranging interior tabula
Plate, node way is simple, and beneficial to interior concrete perfusion.
Further, as shown in figure 3, per pass crossbeam 2 is connected with the section edge of a wing of crossbeam connection end 4 using butt welding,
And the web of per pass crossbeam 2 and crossbeam connection end 4 passes through the bolt connection of connecting plate 6.Ensure that column 1 and crossbeam 2 just in succession
Connect intensity.
In the utility model another specific embodiment, column is round steel pipe, crossbeam connection end and column junction
Inner ring plate or outer ring plate are set on column.Inner ring plate or outer ring plate are arranged on column can further improve post or even steel construction
Intensity and bearing capacity.Wherein, inner ring plate is to be arranged at the loop configuration reinforcing plate on the inside of round steel pipe, and outer ring plate then sets
The loop configuration reinforcing plate being placed on the outside of round steel pipe；Column in the embodiment can be also circular steel tube concrete, that is, irrigate
There is the round steel pipe of concrete.
In the utility model another specific embodiment, column is I-shaped steel column, cross I-shaped steel and steel post, double channel-section steels
Post or L-shaped, T-shaped, groined type abnormal shape compound section steel column, crossbeam connection end arranges diaphragm plate with column junction on column.
The setting of suitable column, diaphragm plate is selected further to improve post or even steel knot according to practice of construction environment in the embodiment
The intensity and bearing capacity of structure.
In the utility model another embodiment, as shown in figure 4, every hound 32 is provided with the junction of column 1
Connection member 7, the connection member 7 includes T-shaped end plate 71 and otic placode 72, and T-shaped end plate 71 connects with corresponding hound 32, otic placode
72 are connected with the crossbeam connection end 4 of every root post 1, and T-shaped end plate 71 and otic placode 72 are hinged by bearing pin 73.Connection member 7
It is simple that way is set, easily construction, required precision is not high, with the ability for voluntarily finely tuning K-type bracing frame, further improve assembling effect
Rate.
Further, as shown in figure 4, every crossbeam 2 passes through the bolt connection of montant end plate 33 with the junction of perpendicular strut 31, and
Ribbed stiffener 8 is provided with every crossbeam 2 cantilever diaphragm corresponding with the junction of perpendicular strut 31.Montant end plate enables to K-type
Connection between support and crossbeam is more fastened, and the setting of ribbed stiffener improves the structural strength of perpendicular strut and crossbeam junction.
Selection of the utility model embodiment not to the hound and perpendicular strut of the equivalent wall unit of bracing members is carried out specifically
Limit, the hound and perpendicular strut can include that round steel pipe, rectangular steel tube, I-steel are supported, T steel is supported, L-shaped steel
Support, flute profile bracing members, cross bracing members, can also be the energy-dissipating and shock-absorbing components such as damper, anti-buckling support.Energy-dissipating and shock-absorbing structure
Part is exactly that sinker is installed in structural elements, artificially increases structural damping, consumes the vibrational energy of structural elements when meeting with impact
Amount, so as to reduce the dynamic respons of structure, improves the anti-seismic performance of structural elements.
In the utility model embodiment, the connecting node way of column and crossbeam connection end need to be according to column section form
It is determined that.Specifically chosen reference is as follows：When column is rectangular steel pipe or concrete-filled rectangular steel tube, crossbeam connection end is connected with column
Place can arrange inner ring plate or outer ring plate on column；Or laminating arranges edge of a wing side connecting plate in crossbeam connection end flange plate both sides,
And crossbeam connection end flange plate width and two edge of a wing side connecting plate thickness sums are not more than the section length of side of the column.When vertical
When post is round steel pipe or circular steel tube concrete, crossbeam connection end arranges inner ring plate or outer shroud with column junction on column
Plate.When column be I-shaped steel column, cross I-shaped steel and steel post, double flute shape steel column, and L-shaped, T-shaped, groined type abnormal shape compound section
During steel column, crossbeam connection end arranges diaphragm plate with column junction on column.
A kind of " yi word pattern " faced wall unit is also provided in one preferred embodiment of the utility model, as shown in figure 5, including
The equivalent wall unit of two bracing members as above, the equivalent wall unit of two bracing members is symmetrical arranged in 180 degree angle, and this two
The same root post 1 of the equivalent wall units shared of individual bracing members, the crossbeam 2 and K-type bracing frame 3 of the equivalent wall unit of each bracing members with it is vertical
One side of post 1 is connected.
A kind of " L-type " faced wall unit is also provided in the utility model another preferred embodiment, as shown in fig. 6, including
The equivalent wall unit of two bracing members as above, the equivalent wall unit of two bracing members is in 90 degree angles settings, and two steel
Support the same root post 1 of equivalent wall units shared, crossbeam 2 and K-type bracing frame 3 and the column 1 of the equivalent wall unit of each bracing members
A side be connected.
A kind of " T-shaped " faced wall unit is also provided in the utility model another preferred embodiment, as shown in fig. 7, comprises
The equivalent wall unit of three bracing members as above, the equivalent wall unit of two of which bracing members is symmetrical arranged in 180 degree angle；The
The equivalent wall unit of three bracing members is with the equivalent wall unit of another two bracing members in 90 degree angles settings；Above three bracing members etc.
The effect same root post 1 of wall units shared, the crossbeam 2 and K-type bracing frame 3 of the equivalent wall unit of each bracing members with one of column 1
Side is connected.
A kind of " cross " faced wall unit is also provided in the utility model further embodiment, as shown in figure 8, including four
The equivalent wall unit of individual bracing members as above, the equivalent wall unit of four bracing members is mutually symmetrical arranged in 90 degree of angles, and above-mentioned four
The same root post 1 of the equivalent wall units shared of individual bracing members, the crossbeam 2 and K-type bracing frame 3 of the equivalent wall unit of each bracing members with it is vertical
One side of post 1 is connected.
The multiple combination wall unit that the utility model aforementioned four preferred embodiment is provided, including two, three or four
The equivalent wall unit of bracing members as above, the same root post of the equivalent wall units shared of the plurality of bracing members, and around column
It is symmetrical arranged in 90 degree or 180 degree angle, disclosure satisfy that the flexible arrangement of construction wall, and it is firm further to improve the anti-side of building
Degree, limit lateral capacity and stability.
Obviously, those skilled in the art the utility model embodiment can be carried out it is various change and modification without deviating from
Spirit and scope of the present utility model.So, if these modifications of the present utility model and modification belong to the utility model right
Within the scope of requirement and its equivalent technologies, then the utility model is also intended to comprising these changes and modification.
Claims (14)
1. the equivalent wall unit of a kind of bracing members, it is characterised in that including column, K-type bracing frame, and it is horizontally disposed and with it is described
Column and the twice crossbeam of K-type bracing frame two ends connection, wherein, K-type bracing frame includes perpendicular strut and two hounds, described perpendicular
Strut is vertically arranged and two ends connect respectively with corresponding crossbeam, and two hounds and perpendicular strut are arranged in K-type, and per root
Hound one end is connected to perpendicular strut middle part, and the other end is connected with column.
2. the equivalent wall unit of bracing members according to claim 1, it is characterised in that the column include rectangle steel tubing string,
Circular steel tubing string, rectangular steel-tube concrete column, circular steel tube concrete post, I-shaped steel column, cross I-shaped steel and steel post, double channel-section steels
Post or L-shaped, T-shaped, groined type abnormal shape compound section steel column；Per pass crossbeam is steel I-beam.
3. the equivalent wall unit of bracing members according to claim 2, it is characterised in that the column side and crossbeam junction
With crossbeam connection end, and crossbeam connection end section is in I shape.
4. the equivalent wall unit of bracing members according to claim 3, it is characterised in that when the column is rectangular steel pipe or square
During shape concrete filled steel tube, the crossbeam connection end can arrange inner ring plate or outer ring plate with column junction on column；Or in horizontal stroke
The laminating of beam connection end flange plate both sides arranges edge of a wing side connecting plate, and crossbeam connection end flange plate width is connected with two edges of a wing side
Plate thickness sum is not more than the section length of side of the column.
5. the equivalent wall unit of bracing members according to claim 3, it is characterised in that when the column is round steel pipe or circle
During shape concrete filled steel tube, the crossbeam connection end arranges inner ring plate or outer ring plate with column junction on column.
6. the equivalent wall unit of bracing members according to claim 3, it is characterised in that when the column be I-shaped steel column,
Cross I-shaped steel and steel post, double flute shape steel column and L-shaped, T-shaped, groined type abnormal shape compound section steel column when, the crossbeam connection end with
Column junction arranges diaphragm plate on column.
7. the equivalent wall unit of bracing members according to claim 3, it is characterised in that per pass crossbeam and the crossbeam connection end
The section edge of a wing at using butt welding be connected, and the web of per pass crossbeam and the crossbeam connection end by connection crab bolt connect
Connect.
8. the equivalent wall unit of bracing members according to claim 1, it is characterised in that every hound sets with column junction
Connection member is equipped with, the connection member includes T-shaped end plate and otic placode, and the T-shaped end plate connects with corresponding hound, described
Otic placode is connected with the crossbeam connection end of every root post, and the T-shaped end plate and otic placode pass through hinge.
9. the equivalent wall unit of bracing members according to claim 1, it is characterised in that every crossbeam is logical with perpendicular strut junction
Cross on montant end-plate bolted connections, and every crossbeam cantilever diaphragm corresponding with perpendicular strut junction and be provided with ribbed stiffener.
10. the equivalent wall unit of bracing members according to claim 1, it is characterised in that the hound and perpendicular strut include
It is round steel pipe, rectangular steel tube, I-steel support, T steel support, L-shaped bracing members, flute profile bracing members, cross bracing members, anti-
Buckling support or damper.
11. a kind of " yi word pattern " faced wall units, it is characterised in that including two as any one of claim 1~10
The equivalent wall unit of bracing members, the equivalent wall unit of described two bracing members is symmetrical arranged in 180 degree angle, and described two steel
Support the same root post of equivalent wall units shared, the crossbeam and K-type bracing frame of the equivalent wall unit of each bracing members with one of column
Side is connected.
12. a kind of " L-type " faced wall units, it is characterised in that including two steel as any one of claim 1~10
Support equivalent wall unit, the equivalent wall unit of described two bracing members is in 90 degree angles settings, and the equivalent wall of described two bracing members
The same root post of units shared, the crossbeam and K-type bracing frame of the equivalent wall unit of each bracing members are connected with a side of column
Connect.
13. a kind of " T-shaped " faced wall units, it is characterised in that including three steel as any one of claim 1~10
Equivalent wall unit, the equivalent wall unit of two of which bracing members is supported to be symmetrical arranged in 180 degree angle；The 3rd equivalent wall of bracing members
Unit is arranged with the equivalent wall unit of another two bracing members in 90 degree of angles；The equivalent wall units shared of three bracing members is same
Root post, the crossbeam and K-type bracing frame of the equivalent wall unit of each bracing members are connected with a side of column.
14. a kind of " cross " faced wall units, it is characterised in that including four as any one of claim 1~10
The equivalent wall unit of bracing members, the equivalent wall unit of four bracing members is mutually symmetrical arranged in 90 degree of angles, and four steel
Support the same root post of equivalent wall units shared, the crossbeam and K-type bracing frame of the equivalent wall unit of each bracing members and the one of column
Individual side is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720063144.0U CN206174126U (en) | 2017-01-18 | 2017-01-18 | Steel shotcrete equivalence wall unit and faced wall unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720063144.0U CN206174126U (en) | 2017-01-18 | 2017-01-18 | Steel shotcrete equivalence wall unit and faced wall unit |
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| Publication Number | Publication Date |
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| CN206174126U true CN206174126U (en) | 2017-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759894A (en) * | 2017-01-18 | 2017-05-31 | 中国电子工程设计院 | A kind of equivalent wall unit of bracing members and faced wall unit |
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- 2017-01-18 CN CN201720063144.0U patent/CN206174126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759894A (en) * | 2017-01-18 | 2017-05-31 | 中国电子工程设计院 | A kind of equivalent wall unit of bracing members and faced wall unit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190128 Address after: 100142 Linglong Tiandi B Block 160 West Fourth Ring North Road, Haidian District, Beijing Patentee after: Angang Zhongdian Steel Structure Co., Ltd. Address before: 100142 Linglong Tiandi B Block 160 West Fourth Ring North Road, Haidian District, Beijing Patentee before: Chinese Electronic Engineering Design Institute |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100142 808, zone 2, floor 8, No. 160, West Fourth Ring North Road, Haidian District, Beijing Patentee after: Angang Zhongdian Construction Technology Co., Ltd Address before: 100142 Beijing city Haidian District West Fourth Ring Road No. 160, block B, exquisite world Patentee before: Angang Zhongdian Steel Structure Co., Ltd. |