CN206070574U - Subway station steel pipe column constructing structure - Google Patents
Subway station steel pipe column constructing structure Download PDFInfo
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- CN206070574U CN206070574U CN201621024700.5U CN201621024700U CN206070574U CN 206070574 U CN206070574 U CN 206070574U CN 201621024700 U CN201621024700 U CN 201621024700U CN 206070574 U CN206070574 U CN 206070574U
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- steel pipe
- support post
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- pipe support
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Abstract
The utility model discloses a kind of subway station steel pipe column constructing structure, construct including the steel pipe support post in constructed subway station, the interior joint being laid in the middle part of steel pipe support post construction and the lower node for being laid in steel pipe support post bottom, interior joint construction includes round tray of the coaxial package on steel pipe support post, round tray is in horizontal layout, middle plate-girder is supported on round tray, round tray is located at below middle plate-girder, and round tray is installed on steel pipe support post and steel pipe support post is therefrom passed through in plate-girder；Including upper reinforcing structure, middle reinforcing structure and the lower reinforcing structure from top to bottom laid, upper reinforcing structure, middle reinforcing structure and lower reinforcing structure are poured in base plate lower node construction.This utility model simple structure, reasonable in design and easy construction, using effect are good, and energy is easy, be rapidly completed the work progress of steel pipe column in subway station, and the steel pipe column support effect of construction molding is good.
Description
Technical field
This utility model belongs to metro station construction technical field, ties more particularly, to a kind of construction of subway station steel pipe column
Structure.
Background technology
Subway station is a kind of important building in Urban Rail Transit, and it is for passenger's boarding, transfer and time
The place of car.Cap excavation method be when underground engineering is bright do when the Novel engineering that needs the barriers such as highway crossing, building and take apply
Work method, is specifically faced down by ground and is excavated to after certain depth, by top seal, top cover of remaining bottom engineering in closing
Under constructed.Agent structure can be along work, it is also possible to inverse to make.Using cap excavation method in upper hard lower soft formation construction subway station
When, difficulty of construction is larger.When being such as pointed to the May Fourth Square station of Qingdao City and being constructed, construction area residing for the station for
Upper firmly lower soft formation, the top on the stratum is soil layer and its underpart is basement rock, about 5.3 meters of station top board above thickness of earth covering,
About 13 meters of the following foundation depth of top board, foundation ditch width are 45.8 meters, 90,000 m of the quick-fried cubic meter of stone to be drilled3.Also, to the subway station base
Before hole carries out excavation construction, to guarantee the steadiness of station agent structure, the middle part of agent structure is applied from front to back AT STATION
Many steel pipe support posts of work.Nowadays, to when in subway station, steel pipe support post is constructed, neither one unification, standard and
The construction method of specification is available for following, and constructing operation relatively random, efficiency of construction is inevitably present during practice of construction
It is low, the problems such as the steel pipe support post using effect that completes of construction is poor.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of subway
Station steel pipe column constructing structure, its simple structure, reasonable in design and easy construction, using effect are good, and energy is easy, be rapidly completed ground
The work progress of steel pipe column in ferrum station, and the steel pipe column support effect of construction molding is good.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of subway station steel pipe column construction
Structure, it is characterised in that：Including the steel pipe support post in constructed subway station, in being laid in the middle part of steel pipe support post
Joint structure and the lower node construction for being laid in steel pipe support post bottom, the steel pipe support post is in vertically to laying；Constructed
The agent structure of subway station includes base plate, two side walls being laid in above the base plate left and right sides respectively, just goes up positioned at base plate
The top board and a middle plate being laid between the top board and base plate of side, a left side for the base plate, the top board and the middle plate
Right both sides are connected as one with the side wall；The top and the bottom of the steel pipe support post are separately fixed at the top board and base plate
On, the middle plate-girder in horizontal layout, transverse width side of the middle plate-girder along constructed subway station are provided with the middle plate
To being laid, the base plate, the middle plate and middle plate-girder are reinforced concrete structure；The interior joint construction is including coaxial
The round tray being sleeved on steel pipe support post, in horizontal layout, the middle plate-girder is supported in round tray to the round tray
On, the round tray be located at middle plate-girder below, the round tray is installed on steel pipe support post, the steel pipe support post from
Pass through in middle plate-girder；Lower node construction including the upper reinforcing structure, middle reinforcing structure from top to bottom laid and under put more energy into knot
Structure, the upper reinforcing structure is with lower reinforcing structure in symmetrical laying, the upper reinforcing structure, middle reinforcing structure and lower reinforcing structure
Pour in base plate；The upper reinforcing structure includes multiple being along the circumferential direction uniformly laid on steel pipe support post lateral wall
Upper stiffener, multiple upper stiffeners are laid in same level；The middle reinforcing structure includes multiple circumferentially sides
To the middle stiffener being uniformly laid on steel pipe support post lateral wall, multiple middle stiffeners are laid in same level
On；The lower reinforcing structure includes multiple lower stiffeners being along the circumferential direction uniformly laid on steel pipe support post lateral wall, many
The individual lower stiffener is laid in same level.
Above-mentioned subway station steel pipe column constructing structure, is characterized in that：The round tray is weldingly fixed on steel pipe support post
On.
Above-mentioned subway station steel pipe column constructing structure, is characterized in that：The steel pipe support column bottom is stretched to below base plate
Bottom horizon d in, the steel pipe support column bottom stretches to the bottom segment in the horizon d of bottom, the bottom segment
Length is 2.5m～3.5m.
Above-mentioned subway station steel pipe column constructing structure, is characterized in that：From top to bottom it is provided with the bottom segment multiple rows of
Shear bar, often arranges the shear bar and is along the circumferential direction uniformly laid in the shearing on steel pipe support post lateral wall including multiple tracks
Muscle, described in multiple tracks, shear bar is laid in same level.
Above-mentioned subway station steel pipe column constructing structure, is characterized in that：It is provided with the bottom horizon d and saves for the bottom
The bottom stake holes section of section insertion, is provided with multiple injected holes, the bottom segment and bottom basement rock on the side wall of the bottom segment
It is that, by the stake holes inner concrete structure of concreting, multiple rows of shear bar is poured in stake holes inner concrete between layer
In structure.
Above-mentioned subway station steel pipe column constructing structure, is characterized in that：The upper stiffener includes upper connector and in vertical
To the upper stiffener laid, the upper connector is L-shaped connector, and the upper connector is fixed on the lateral wall of steel pipe support post
On, the upper stiffener is fixed on the upper connector, and the upper stiffener is fixed on steel pipe by the upper connector
On dagger；The lower stiffener includes lower connector and to the lower stiffener laid, the lower connector connects for L-shaped in vertically
Part, the lower connector are fixed on the lateral wall of steel pipe support post, and the lower stiffener is fixed on the lower connector, institute
State lower stiffener to be fixed on steel pipe support post by the lower connector；The upper stiffener and the lower stiffener are three
Angular plate.
Above-mentioned subway station steel pipe column constructing structure, is characterized in that：The middle stiffener includes middle connector and in vertical
To the middle stiffener laid, the middle connector is L-shaped connector, and the middle connector is fixed on the lateral wall of steel pipe support post
On, the middle stiffener is fixed on the middle connector, and the middle stiffener is fixed on steel pipe by the middle connector
On dagger；Multiple through holes are provided with the middle stiffener.
Above-mentioned subway station steel pipe column constructing structure, is characterized in that：The round tray includes lower annular plate, is located at down
Upper annular plate and multiple support members being supported between lower annular plate and upper annular plate directly over annular plate, it is multiple
The support member is along the circumferential direction uniformly laid, and the lower annular plate and upper annular plate are in horizontal layout.
Above-mentioned subway station steel pipe column constructing structure, is characterized in that：Multiple support members are in vertically to laying
Gripper shoe；The gripper shoe is steel plate, and the lower annular plate is steel plate with upper annular plate, and each described gripper shoe is with
It is fixedly connected with welding manner between annular plate and upper annular plate.
Above-mentioned subway station steel pipe column constructing structure, is characterized in that：The lower annular plate and upper annular plate are welded
It is fixed on steel pipe support post, the medial wall of each gripper shoe is weldingly fixed on steel pipe support post.
This utility model has advantages below compared with prior art：
1st, simple structure and easy construction, input construction cost are relatively low.
2nd, the interior joint structural texture that adopted is simple, reasonable in design and processing and fabricating and install it is fixed it is easy, using effect
Really good, including coaxial package on steel pipe column round tray, is supported using round tray centering plate-girder, and circular support
Disk is located at below middle plate-girder.
3rd, the interior joint for being adopted constructs easy construction and using effect is good, and the node between steel pipe column and middle plate-girder is entered
During row construction, no any weld job, steel beam column are notheated deformation, and the deformation that can be prevented effectively from because of steel tubular column joints is big
The hidden danger of quality for causing, and manually the amount of devoting oneself to work is little, and steel usage amount is little, compares conventional node and saves steel 65.4%.
The interior joint configurations are simple, reasonable in design and processing and fabricating and easy construction, using effect are good, welding during node construction
Operation, it is economical and practical.
4th, the lower node structural texture that adopted is simple, reasonable in design and processing and fabricating and install it is fixed it is easy, using effect
Really good, lower node construction is including upper reinforcing structure, middle reinforcing structure and the lower reinforcing structure from top to bottom laid, knot of above putting more energy into
Structure, middle reinforcing structure and lower reinforcing structure are poured in base plate；Also, steel pipe support column bottom stretches to the bottom below base plate
In portion's horizon d, from top to bottom it is provided with bottom segment on multiple rows of shear bar and its side wall and is provided with multiple injected holes, bottom section
Section is poured in stake holes inner concrete structure with multiple rows of shear bar, and fixed and easy construction is carried out to steel pipe support post
It is during concreting, synchronous that pouring construction is carried out to stake holes inner concrete structure.Also, lower node is constructed and subway station main body
Bottom horizon d below base plate in structure and base plate is fastenedly connected and is integrated, and can effectively improve the mechanical property of steel pipe column
Can, stressed effect is more preferably.
5th, using effect is good and practical value is high, separately designs rational in infrastructure and makes at the middle part and bottom of steel pipe support post
With the good joint structure of effect, not only easy construction, and using effect is good, and construction quality is easy to ensure.
In sum, this utility model simple structure, reasonable in design and easy construction, using effect are good, can be easy, quick
The work progress of steel pipe column in subway station is completed, and the steel pipe column support effect of construction molding is good.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the connection status schematic diagram of this utility model steel pipe column and round tray.
Description of reference numerals:
1-steel pipe support post；2-round tray；2-1-lower annular plate；
2-2-upper annular plate；2-3-support member；3-middle plate-girder.
4-base plate；5-upper reinforcing structure；6-middle reinforcing structure；
7-lower reinforcing structure；8-bottom horizon d；9-shear bar；
10-bottom stake holes；11-injected hole；12-stake holes inner concrete structure.
Specific embodiment
As shown in Figure 1 and Figure 2, this utility model includes steel pipe support post 1 in constructed subway station, is laid in
Interior joint in the middle part of steel pipe support post 1 constructs and is laid in the lower node construction of 1 bottom of steel pipe support post, the steel pipe support post
1 is in vertically to laying；The agent structure of constructed subway station includes that base plate 4, two is laid on 4 left and right sides of base plate respectively
The middle plate that the side wall of side, the top board directly over base plate 4 and one are laid between the top board and base plate 4, the base plate
4th, the left and right sides of the top board and the middle plate is connected as one with the side wall；The top and the bottom of the steel pipe support post 1
It is separately fixed on the top board and base plate 4, in the middle plate, is provided with the middle plate-girder 3 in horizontal layout, 3 edge of middle plate-girder
The transverse width direction of constructed subway station is laid, and the base plate 4, the middle plate and middle plate-girder 3 are reinforced concrete
Soil structure；The interior joint construction includes round tray 2 of the coaxial package on steel pipe support post 1, and the round tray 2 is in water
Plain cloth sets, and the middle plate-girder 3 is supported on round tray 2, and the round tray 2 is located at below middle plate-girder 3, the round tray
2 are installed on steel pipe support post 1, and the steel pipe support post 1 is therefrom passed through in plate-girder 3；The lower node construction is included by up to
The upper reinforcing structure 5 of lower laying, middle reinforcing structure 6 and lower reinforcing structure 7, the upper reinforcing structure 5 is with lower reinforcing structure 7 in right
Claim to lay, the upper reinforcing structure 5, middle reinforcing structure 6 and lower reinforcing structure 7 are poured in base plate 4；The upper reinforcing structure
5 include multiple upper stiffeners being along the circumferential direction uniformly laid on 1 lateral wall of steel pipe support post, and multiple upper stiffeners are equal
It is laid in same level；The middle reinforcing structure 6 includes multiple being along the circumferential direction uniformly laid on the outside of steel pipe support post 1
Middle stiffener on wall, multiple middle stiffeners are laid in same level；The lower reinforcing structure 7 includes multiple edges
Circumferencial direction is uniformly laid in the lower stiffener on 1 lateral wall of steel pipe support post, and multiple lower stiffeners are laid in same
On horizontal plane.
In the present embodiment, 1 bottom of steel pipe support post is stretched in the bottom horizon d 8 below base plate 4, the steel pipe
1 bottom of support column stretches to the bottom segment in bottom horizon d 8, and the length of the bottom segment is 2.5m～3.5m.
Also, multiple rows of shear bar 9 is from top to bottom provided with the bottom segment, the shear bar 9 is often arranged including many
Road is along the circumferential direction uniformly laid in the shear bar 9 on 1 lateral wall of steel pipe support post, and described in multiple tracks, shear bar 9 is laid in together
On one horizontal plane.
In the present embodiment, the bottom stake holes section 10 for bottom segment insertion in the bottom horizon d 8, is provided with, it is described
Multiple injected holes 11 are provided with the side wall of bottom segment, are by concreting between the bottom segment and bottom horizon d 8
Stake holes inner concrete structure 12, multiple rows of shear bar 9 poured in stake holes inner concrete structure 12.
During practice of construction, multiple injected holes 11 are in uniform laying, and multiple injected holes 11 are in quincunx laying.
In the present embodiment, the upper stiffener includes upper connector and in vertically to the upper stiffener laid, the upper company
Fitting is L-shaped connector, and the upper connector is fixed on the lateral wall of steel pipe support post 1, and the upper stiffener is fixed on institute
State on upper connector, the upper stiffener is fixed on steel pipe support post 1 by the upper connector；The lower stiffener includes
Lower connector and to the lower stiffener laid, the lower connector is L-shaped connector, and the lower connector is fixed on steel in vertically
On the lateral wall of pipe support column 1, the lower stiffener is fixed on the lower connector, and the lower stiffener passes through the lower company
Fitting is fixed on steel pipe support post 1；The upper stiffener and the lower stiffener are triangular plate.
In the present embodiment, the middle stiffener includes middle connector and in vertically to the middle stiffener laid, the middle company
Fitting is L-shaped connector, and the middle connector is fixed on the lateral wall of steel pipe support post 1, and the middle stiffener is fixed on institute
State on connector, the middle stiffener is fixed on steel pipe support post 1 by the middle connector；Open on the middle stiffener
There are multiple through holes.
Thus, the middle stiffener forms a PBL shear connector, strengthens shearing strength, effectively improves steel pipe support
Bonding strength between 1 bottom of post and stake holes inner concrete structure 12.
Further to improve the bonding strength between 1 bottom of steel pipe support post and stake holes inner concrete structure 12, it is described in
Zigzag is processed on the outside of stiffener.
In the present embodiment, the round tray 2 is weldingly fixed on steel pipe column 1.
As shown in Fig. 2 the round tray 2 includes lower annular plate 2-1, upper directly over lower annular plate 2-1
Annular plate 2-2 and multiple support member 2-3 being supported between lower annular plate 2-1 and upper annular plate 2-2, multiple described
Support member 2-3 is along the circumferential direction uniformly laid, and the lower annular plate 2-1 and upper annular plate 2-2 is in horizontal layout.
In the present embodiment, multiple support member 2-3 are in vertically to the gripper shoe laid.
Also, the gripper shoe is steel plate, and the lower annular plate 2-1 and upper annular plate 2-2 is steel plate.
In the present embodiment, with welding side between each described gripper shoe and lower annular plate 2-1 and upper annular plate 2-2
Formula is fixedly connected.
Also, the lower annular plate 2-1 and upper annular plate 2-2 are weldingly fixed on steel pipe column 1, each described
The medial wall of fagging is weldingly fixed on steel pipe column 1.
During practice of construction, before constructing to the middle plate-girder 3, round tray 2 is fixed on steel pipe column 1 first.To steel
When node between tubing string 1 and middle plate-girder 3 is constructed, only need centering plate-girder 3 to be constructed, and make therefrom plate-girder 3 of steel pipe column 1
The interior middle plate-girder 3 through, construction molding is located at below middle plate-girder 3.Thus, practice of construction is easy, to steel pipe column 1 and middle plate
When node between beam 3 is constructed, no any weld job, construction volume are little, easy construction, quick.
The above, is only preferred embodiment of the present utility model, not this utility model is imposed any restrictions, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a kind of subway station steel pipe column constructing structure, it is characterised in that：Including the steel pipe in constructed subway station
Dagger (1), the interior joint being laid in the middle part of steel pipe support post (1) construct and are laid in the lower node of steel pipe support post (1) bottom
Construction, the steel pipe support post (1) is in vertically to laying；The agent structure of constructed subway station include base plate (4), two points
It is not laid in the side wall above base plate (4) left and right sides, the top board directly over base plate (4) and one and is laid in the top board
With the middle plate between base plate (4), the left and right sides of the base plate (4), the top board and the middle plate is connected with the side wall
It is integrated；The top and the bottom of the steel pipe support post (1) are separately fixed on the top board and base plate (4), are arranged in the middle plate
There is the middle plate-girder (3) in horizontal layout, the middle plate-girder (3) is laid along the transverse width direction of constructed subway station,
The base plate (4), the middle plate and middle plate-girder (3) are reinforced concrete structure；The interior joint construction includes coaxial package
Round tray (2) on steel pipe support post (1), in horizontal layout, the middle plate-girder (3) is supported in the round tray (2)
On round tray (2), below middle plate-girder (3), the round tray (2) is installed on steel pipe support to the round tray (2)
On post (1), the steel pipe support post (1) is therefrom passed through in plate-girder (3)；The lower node construction is upper including what is from top to bottom laid
Reinforcing structure (5), middle reinforcing structure (6) and lower reinforcing structure (7), the upper reinforcing structure (5) is with lower reinforcing structure (7) in right
Claim to lay, the upper reinforcing structure (5), middle reinforcing structure (6) and lower reinforcing structure (7) are poured in base plate (4)；On described
Reinforcing structure (5) includes multiple upper stiffeners being along the circumferential direction uniformly laid on steel pipe support post (1) lateral wall, Duo Gesuo
State stiffener to be laid in same level；The middle reinforcing structure (6) is along the circumferential direction uniformly laid in including multiple
Middle stiffener on steel pipe support post (1) lateral wall, multiple middle stiffeners are laid in same level；Add under described
Strength structure (7) includes multiple lower stiffeners being along the circumferential direction uniformly laid on steel pipe support post (1) lateral wall, multiple described
Lower stiffener is laid in same level.
2. according to the subway station steel pipe column constructing structure described in claim 1, it is characterised in that：Round tray (2) weldering
Connect and be fixed on steel pipe support post (1).
3. according to the subway station steel pipe column constructing structure described in claim 1 or 2, it is characterised in that：The steel pipe support post
(1) bottom is stretched in the bottom horizon d (8) below base plate (4), and steel pipe support post (1) bottom stretches to bottom basement rock
Bottom segment in layer (8), the length of the bottom segment is 2.5m～3.5m.
4. according to the subway station steel pipe column constructing structure described in claim 3, it is characterised in that：By upper in the bottom segment
To multiple rows of shear bar (9) is arranged with, often arrange the shear bar (9) and steel pipe is along the circumferential direction uniformly laid in including multiple tracks
Shear bar (9) on dagger (1) lateral wall, described in multiple tracks, shear bar (9) is laid in same level.
5. according to the subway station steel pipe column constructing structure described in claim 4, it is characterised in that：The bottom horizon d (8)
Bottom stake holes section (10) for bottom segment insertion is inside provided with, on the side wall of the bottom segment, multiple injected holes is provided with
(11), between the bottom segment and bottom horizon d (8) be by stake holes inner concrete structure (12) of concreting,
Multiple rows of shear bar (9) is poured in stake holes inner concrete structure (12).
6. according to the subway station steel pipe column constructing structure described in claim 1 or 2, it is characterised in that：The upper stiffener bag
Include upper connector and to the upper stiffener laid, the upper connector is L-shaped connector, and the upper connector is fixed in vertically
On the lateral wall of steel pipe support post (1), the upper stiffener is fixed on the upper connector, and the upper stiffener is by described
Upper connector is fixed on steel pipe support post (1)；The lower stiffener include lower connector and in vertically to lay under put more energy into
Plate, the lower connector are L-shaped connector, and the lower connector is fixed on the lateral wall of steel pipe support post (1), described to add down
Strength plate is fixed on the lower connector, and the lower stiffener is fixed on steel pipe support post (1) by the lower connector；Institute
State stiffener and the lower stiffener is triangular plate.
7. according to the subway station steel pipe column constructing structure described in claim 1 or 2, it is characterised in that：The middle stiffener bag
Include middle connector and to the middle stiffener laid, the middle connector is L-shaped connector, and the middle connector is fixed in vertically
On the lateral wall of steel pipe support post (1), the middle stiffener is fixed on the middle connector, and the middle stiffener is by described
Middle connector is fixed on steel pipe support post (1)；Multiple through holes are provided with the middle stiffener.
8. according to the subway station steel pipe column constructing structure described in claim 1 or 2, it is characterised in that：The round tray (2)
Including lower annular plate (2-1), the upper annular plate (2-2) directly over lower annular plate (2-1) and multiple it is supported in down
Support member (2-3) between annular plate (2-1) and upper annular plate (2-2), multiple support members (2-3) are along the circumferential direction
Uniform laying, the lower annular plate (2-1) and upper annular plate (2-2) are in horizontal layout.
9. according to the subway station steel pipe column constructing structure described in claim 8, it is characterised in that：Multiple support member (2-
3) it is in vertically to the gripper shoe laid；The gripper shoe is steel plate, the lower annular plate (2-1) and upper annular plate
(2-2) steel plate is, with welding side between each described gripper shoe and lower annular plate (2-1) and upper annular plate (2-2)
Formula is fixedly connected.
10. according to the subway station steel pipe column constructing structure described in claim 9, it is characterised in that：The lower annular plate (2-
1) it is weldingly fixed on steel pipe support post (1) with upper annular plate (2-2), the medial wall of each gripper shoe welds solid
It is scheduled on steel pipe support post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024700.5U CN206070574U (en) | 2016-08-31 | 2016-08-31 | Subway station steel pipe column constructing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024700.5U CN206070574U (en) | 2016-08-31 | 2016-08-31 | Subway station steel pipe column constructing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206070574U true CN206070574U (en) | 2017-04-05 |
Family
ID=58435872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621024700.5U Active CN206070574U (en) | 2016-08-31 | 2016-08-31 | Subway station steel pipe column constructing structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN206070574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320374A (en) * | 2016-08-31 | 2017-01-11 | 中铁二十局集团第四工程有限公司 | Steel pipe column for subway station and construction process of steel pipe column |
-
2016
- 2016-08-31 CN CN201621024700.5U patent/CN206070574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320374A (en) * | 2016-08-31 | 2017-01-11 | 中铁二十局集团第四工程有限公司 | Steel pipe column for subway station and construction process of steel pipe column |
| CN106320374B (en) * | 2016-08-31 | 2019-10-11 | 中铁二十局集团第四工程有限公司 | A kind of subway station steel pipe column and its construction technology |
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