CN106869314A - Compound steel pipe concrete column-steel beam assembled frame joint - Google Patents
Compound steel pipe concrete column-steel beam assembled frame joint Download PDFInfo
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- CN106869314A CN106869314A CN201611263015.2A CN201611263015A CN106869314A CN 106869314 A CN106869314 A CN 106869314A CN 201611263015 A CN201611263015 A CN 201611263015A CN 106869314 A CN106869314 A CN 106869314A
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- tubular column
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 150
- 239000010959 steel Substances 0.000 title claims abstract description 150
- 239000004567 concrete Substances 0.000 title claims abstract description 76
- 150000001875 compounds Chemical class 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000010008 shearing Methods 0.000 claims description 13
- 238000004080 punching Methods 0.000 claims description 8
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 2
- 239000010962 carbon steel Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 239000011372 high-strength concrete Substances 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 239000011376 self-consolidating concrete Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 5
- 230000000452 restraining effect Effects 0.000 abstract 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a composite steel pipe concrete column-steel beam assembled frame node, relates to a frame node connection form of a composite steel pipe concrete column and a steel beam, and belongs to the field of constructional engineering. The composite steel pipe concrete column consists of a composite steel pipe concrete column, a steel beam and a force transmission component. The compound steel pipe concrete column consists of an outer steel pipe, an inner steel pipe and concrete; the steel beam consists of an upper flange, a lower flange and a web plate; the force transmission component comprises a perforated ribbed connecting piece, a high-strength shear bolt, a high-strength long bolt (or a unilateral fastening bolt) and a steel fixing and restraining piece. At the joint, the outer steel pipe and the inner steel pipe are perforated, high-strength long bolts (or unilateral fastening bolts) are embedded, and then concrete is poured; the upper flange and the lower flange at the end part of the steel beam are provided with holes and connected with the hole ribbed connecting piece through a high-strength shear bolt; meanwhile, the perforated ribbed connecting piece is assembled with a high-strength long bolt (or a single-side fastening bolt) and a steel fixing and restraining piece. The composite steel pipe concrete column-steel beam assembled frame joint is convenient to process and install, the assembly can be prefabricated and transported to the site in a factory for assembly, no welding is required during site construction, and the requirements of industrial production can be met.
Description
Technical field
The invention belongs to building structure journey skilled worker's art field, more particularly to a kind of compound concrete-filled tubular column-girder steel assembling
Formula frame joint is designed.
Background technology
Compound concrete-filled tubular column is a kind of novel combined column that steel pipe is formed in increasing in common steel tube concrete column.
Existing achievement in research shows that compound concrete-filled tubular column typically has the following advantages that：1. because outer steel pipe can be with interior steel pipe
Core concrete provides effect of contraction, the resistance to compression of compound concrete-filled tubular column, shearing resistance, anti-compared with common steel tube concrete column
Curved bearing capacity is greatly improved；2. the use of thick walled steel tube can be avoided, the difficulty on steel pipe manufacturing and processing is reduced；3. it is fiery when occurring
During calamity, interior steel pipe is wrapped up by concrete, and after outer layer pipe surrender, inner layer steel pipe will not be surrendered substantially, can continue to constrain inner core
Heart concrete undertakes load, is that personnel escape strives for the quality time.Therefore, compound concrete-filled tubular column can be used as high-rise, superelevation
Heavy-load column in layer assembling frame structure and its mixed structure.However, existing compound concrete filled steel tube-steel girder frame node
Form mainly has：It is vertical floor node, outer（Rib）Circular board node, girder steel（Bracket）Punching（Half punching）Haunch node.This is several
Though node can realize the theory of providing fortification against earthquakes of " strong node, weak component ", because the big weldquality of nodes domains welding capacity is difficult to protect
Card, easily causes the rupture failure of weld seam in practical engineering application, be unfavorable for that plate gives full play to the strength of materials.
The content of the invention
Development trend of the present invention based on building structure production industrialization, making assembling, proposes that a kind of compound steel pipe is mixed
Solidifying earth pillar-girder steel assembling frame node, and elaborate the connecting structure form and preparation method of the node.Present invention construction letter
Just the moment of flexure and shearing between beam column, the position of beam-ends plastic hinge reliably, are transmitted without Site Welding, industrialization degree Gao Bingneng
And the degree of rigidity of node can be by spiral shell in the connecting length and Force transmission partses that adjust perforate connector with ribbing and steel beam flange
The quantity of bolt realizes, can meet the antidetonation demand under the conditions of different designs.
Compound concrete-filled tubular column of the present invention-girder steel assembling frame node, by compound concrete-filled tubular column, girder steel and biography
Power component is constituted.Described compound concrete-filled tubular column includes outer steel pipe 1, interior steel pipe 2 and concrete 3, and described girder steel 4 includes
Upper lower flange and web, described Force transmission partses include perforate connector 5 with ribbing, high-strength shearing bolt 6, high-strength stay bolt（Or
Unilateral fastening bolt）7th, steel fixed constraint part 8；It is characterized by：It is outer steel pipe 1 and the perforate of interior steel pipe 2, pre-buried in node point connection
High-strength stay bolt（Or unilateral fastening bolt）7, then casting concrete 3；Lower flange in the range of the end certain length of girder steel 4
Place's perforate, is connected by high-strength shearing bolt 6 and perforate connector 5 with ribbing；Meanwhile, perforate connector 5 with ribbing and high-strength spiral shell long
Bolt（Or unilateral fastening bolt）7th, steel fixed constraint part 8 is assembled, and forms described compound concrete-filled tubular column-girder steel assembling
Formula frame joint.
Described compound concrete-filled tubular column type is compound hollow steel pipe concrete column or real compound concrete-filled tubular column,
The section combining form of interior steel pipe and outer steel pipe is：Inner circle is cylindrical, Nei Fang foreign sides, inner circle foreign side, outside square internally and round externally or interior rectangle
Rectangle, interior rectangle foreign side shape, interior rectangle outer ring.Described concrete is that normal concrete or high-strength concrete or self-compaction are mixed
Solidifying soil.The thin-wall steel tube that described interior steel pipe is made with outer steel pipe of carbon steel or stainless steel or steel alloy.Described perforate
Connector with ribbing is made up of vertical plate, level board and perpendicular rib, vertical cross-section form for "" type, wherein vertical plate and level board be equal
Default hole, vertical plate passes through high-strength stay bolt（Or unilateral fastening bolt）It is connected with compound concrete-filled tubular column, upper and lower level
Plate clear distance is that girder steel is high to be connected by high-strength shearing bolt with lower flange on girder steel；Set between vertical plate and level board perpendicular
Rib, can be single rib or many ribs, centrally arranged when for list rib, when for many ribs, be equally spaced and avoid high-strength stay bolt
（Or unilateral fastening bolt）Position；The minimum thickness of perforate connector with ribbing is not preferably less than steel beam flange thickness and outer thickness of steel pipe
Maximum.When outer steel pipe is rectangular or square, described perforate connector vertical plate with ribbing uses flat type；When outer
When steel pipe is for circle, described perforate connector vertical plate with ribbing uses arc plate shape formula, and its curvature is identical with round steel pipe curvature.Institute
The high-strength stay bolt or unilateral fastening bolt stated can be selected as needed：When the outer steel tube section chi of compound concrete-filled tubular column
When very little larger, it is proposed that the unilateral fastening bolt of selection realizes unilateral half punching assembled connection；When the outer steel of compound concrete-filled tubular column
When tube section size is smaller, can realize that bilateral punching assembled is connected using high-strength stay bolt, and when the girder steel for having both direction
During with compound concrete-filled tubular column assembly connection, the high-strength stay bolt position of the both direction that should stagger.When outer steel pipe be rectangle or
When square, described steel fixed constraint part is L-shaped angle steel；When outer steel pipe is for circle, described steel fixed constraint part is used
Curved plate, its curvature is identical with round steel pipe curvature.
Beneficial effect：
Compound concrete-filled tubular column of the present invention-girder steel assembling frame node, using perforate connector with ribbing, high-strength shearing resistance spiral shell
Bolt, high-strength stay bolt（Or unilateral fastening bolt）And steel fixed constraint part realizes the dress of girder steel and compound concrete-filled tubular column
With formula connection, have the advantages that：
1. the perforate connector with ribbing for being used overcomes existing end plate type connector to be needed to connect with the welding of girder steel end and T-shaped
The less shortcoming of fitting out of plane stiffness, and steel fixed constraint part is used by perforate connector fixed constraint with ribbing to compound steel pipe
On concrete column, the flat out-of-plane buckling of perforate connector with ribbing can be further delayed, contribute to each plate of node region to play
Own material intensity, the enhancing of node globality.2. high-strength stay bolt is being assembled（Or unilateral fastening bolt）During can maximum limit
Degree ground ensures the integrality of steel pipe and avoids carrying out the construction drawback that the operation of complexity and welded bands are come in steel duct.Perforate
Connector with ribbing can be prefabricated in the factory to transport and be assembled to scene, be convenient to process and mount, the complete welding of site operation, so that
Adapt to the demand of industrialized production.3. the degree of rigidity of the position of beam-ends plastic hinge and node can be by adjusting perforate company with ribbing
Fitting realizes with the quantity of bolt in steel beam flange connecting length and Force transmission partses, can meet anti-under the conditions of different designs
Shake demand.4. nodes domains load path is simply clear and definite.Beam-ends load passes sequentially through high-strength shearing bolt, perforated rib connecting piece, steel
Fixed constraint part and high-strength stay bolt（Or unilateral fastening bolt）It is delivered to shaft.In a word, compound concrete filled steel tube of the invention
The frame joint design of post and girder steel is simple, industrialization degree is high and with advantages such as good anti-seismic performances and easy construction,
Can be widely applied in high-rise, superelevation story frame structure and its mixed structure.
Construction and specific embodiment
Below with reference to attached by taking the cylindrical real compound concrete-filled tubular column of inner circle and inner circle foreign side reality compound concrete-filled tubular column as an example
Figure is described in detail to invention construction and making step.
Fig. 1 a, 1b are respectively above two reality compound concrete-filled tubular column section form figure；
The assembling frame node flat cutting faces that Fig. 2 a, 2b are respectively two kinds of real compound concrete-filled tubular column-girder steels in Fig. 1 are illustrated
Figure；
Fig. 3 a, 3b are respectively A-A sections and B-B generalized sections in Fig. 2 a, 2b.
Compound concrete-filled tubular column of the present invention-girder steel assembling frame node is by compound concrete-filled tubular column, girder steel and biography
Power component is constituted.Compound concrete-filled tubular column includes outer steel pipe 1, interior steel pipe 2 and concrete 3, as shown in Figure 1；Girder steel 4 includes upper
Lower flange and web；Force transmission partses include perforate connector 5 with ribbing, high-strength shearing bolt 6, high-strength stay bolt（Or unilateral fastening
Bolt）7th, steel fixed constraint part 8.As shown in Figure 2 and Figure 3, it is embodied as follows：Step one：First according to design requirement, in section
Point junction, outer steel pipe 1 and interior steel pipe 2 open up certain amount hole, the pre-buried high-strength stay bolt of certain amount（Or unilateral fastening spiral shell
Bolt）, and complete post inner concrete and pour.Step 2：In the range of the end certain length of girder steel 4 certain amount is opened up at upper lower flange
Hole, is connected by high-strength shearing bolt 6 and prefabricated perforate connector 5 with ribbing.Step 3：By perforate connector 5 with ribbing with
High-strength stay bolt（Or unilateral fastening bolt）7th, steel fixed constraint part 8 is assembled, finally using torque wrench by high-strength shearing resistance
Bolt 6 and high-strength stay bolt（Or unilateral fastening bolt）7 carry out machinery tightens, and is finally completed compound concrete-filled tubular column and girder steel
Assembling frame node.
Compound concrete-filled tubular column of the present invention-girder steel assembling frame node, involved perforate connector with ribbing is by erecting
To plate, level board and perpendicular rib constitute, vertical cross-section form for "" type, the transport that can be prefabricated in the factory of perforate connector with ribbing arrives
Scene is assembled.Vertical plate and level board preset hole, and wherein vertical plate passes through high-strength stay bolt（Or unilateral fastening spiral shell
Bolt）It is connected with compound concrete-filled tubular column, upper lower horizontal board clear distance is girder steel high to be resisted by high-strength with lower flange on girder steel
Cut bolt connection；Perpendicular rib is set between vertical plate and level board, can be single rib or many ribs, it is centrally arranged when for list rib, when for many
During rib, high-strength stay bolt is equally spaced and avoided（Or unilateral fastening bolt）Position.The minimum thickness of perforate connector with ribbing
The maximum of steel beam flange thickness and outer thickness of steel pipe is not preferably less than.When outer steel pipe is rectangular or square, described perforate
Connector vertical plate with ribbing uses flat type；When outer steel pipe is for circle, described perforate connector vertical plate with ribbing is used
Arc plate shape formula, its curvature is identical with round steel pipe curvature.The high-strength stay bolt of involved Force transmission partses or unilateral fastening bolt can roots
According to needing to choose a kind of form, when the outer steel tube section size of compound concrete-filled tubular column is larger, it is proposed that the unilateral fastening spiral shell of selection
Bolt realizes unilateral half punching assembled connection；When the outer steel tube section size of compound concrete-filled tubular column is smaller, can use high-strength
Stay bolt realizes bilateral punching assembled connection, and when the girder steel for having both direction is assembled with compound concrete-filled tubular column, should
The high-strength stay bolt position of the both direction that staggers.Involved steel fixed constraint part is square when the outer steel pipe of compound concrete filled steel tube
It is L-shaped angle steel when shape or square；Curved plate is used when outer steel pipe is for circle, its curvature is identical with round steel pipe curvature.
Claims (7)
1. compound concrete-filled tubular column-girder steel assembling frame node, by compound concrete-filled tubular column, girder steel and Force transmission partses group
Into described compound concrete-filled tubular column includes outer steel pipe（1）, interior steel pipe（2）And concrete（3）, described girder steel（4）Including
Upper lower flange and web, described Force transmission partses include perforate connector with ribbing（5）, high-strength shearing bolt（6）, high-strength stay bolt
（Or unilateral fastening bolt）（7）, steel fixed constraint part（8）；It is characterized in that：In node point connection, outer steel pipe（1）With interior steel pipe
（2）Perforate, pre-buried high-strength stay bolt（Or unilateral fastening bolt）（7）, then casting concrete（3）；Girder steel（4）The fixed length of end one
Upper lower flange perforate in the range of degree, by high-strength shearing bolt（6）With perforate connector with ribbing（5）Connection；Meanwhile, perforate is with ribbing
Connector（5）With high-strength stay bolt（Or unilateral fastening bolt）（7）, steel fixed constraint part（8）Assembled.
2. compound concrete-filled tubular column as claimed in claim 1-girder steel assembling frame node, it is characterised in that：Described
Compound concrete-filled tubular column type is compound hollow steel pipe concrete column or real compound concrete-filled tubular column, interior steel pipe and outer steel pipe
Section combining form be：Inner circle is cylindrical, Nei Fang foreign sides, inner circle foreign side, the outer rectangle of square internally and round externally or interior rectangle, outside interior rectangle
Square, interior rectangle outer ring.
3. compound concrete-filled tubular column as claimed in claim 1-girder steel assembling frame node, it is characterized by：Described post
Inner concrete is normal concrete or high-strength concrete or self-compacting concrete.
4. compound concrete-filled tubular column as claimed in claim 1-girder steel assembling frame node, it is characterized by：Described is outer
The thin-wall steel tube that steel pipe is made with interior steel pipe of carbon steel or stainless steel or steel alloy.
5. compound concrete-filled tubular column as claimed in claim 1-girder steel assembling frame node, it is characterized by：Described opens
Pore area rib connector is made up of vertical plate, level board and perpendicular rib, vertical cross-section form for "" type, vertical plate and level board are pre-
Apertured hole, wherein vertical plate pass through high-strength stay bolt（Or unilateral fastening bolt）It is connected with compound concrete-filled tubular column, upper and lower water
Flat board clear distance is that girder steel is high to be connected by high-strength shearing bolt with lower flange on girder steel；Set between vertical plate and level board perpendicular
Rib, can be single rib or many ribs, centrally arranged when for list rib, when for many ribs, be equally spaced and avoid high-strength stay bolt
（Or unilateral fastening bolt）Position；The minimum thickness of perforate connector with ribbing is not preferably less than steel beam flange thickness and outer thickness of steel pipe
Maximum；When outer steel pipe is rectangular or square, described perforate connector vertical plate with ribbing is flat board；When outer steel pipe is
When circular, vertical plate uses arc plate shape formula, and its curvature is identical with round steel pipe curvature.
6. compound concrete-filled tubular column as claimed in claim 1-girder steel assembling frame node, it is characterized by：Described height
Strong stay bolt（Or unilateral fastening bolt）Can be selected as needed：When the outer steel tube section size of compound concrete-filled tubular column compared with
When big, it is proposed that the unilateral fastening bolt of selection realizes unilateral half punching assembled connection；When the outer steel pipe of compound concrete-filled tubular column cuts
When face size is smaller, can realize that bilateral punching assembled is connected using high-strength stay bolt, and there ought be the girder steel of both direction and answer
During formula steel core concrete column assembly connection, the high-strength stay bolt position of the both direction that should stagger.
7. compound concrete-filled tubular column as claimed in claim 1-girder steel assembling frame node, it is characterized by：When outer steel pipe
During for rectangular or square, described steel fixed constraint part is L-shaped angle steel；When outer steel pipe is for circle, described steel is fixed about
Bundle uses curved plate, and its curvature is identical with round steel pipe curvature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263015.2A CN106869314A (en) | 2016-12-30 | 2016-12-30 | Compound steel pipe concrete column-steel beam assembled frame joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263015.2A CN106869314A (en) | 2016-12-30 | 2016-12-30 | Compound steel pipe concrete column-steel beam assembled frame joint |
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| Publication Number | Publication Date |
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| CN106869314A true CN106869314A (en) | 2017-06-20 |
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|---|---|---|---|
| CN201611263015.2A Pending CN106869314A (en) | 2016-12-30 | 2016-12-30 | Compound steel pipe concrete column-steel beam assembled frame joint |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514061A (en) * | 2017-08-23 | 2017-12-26 | 青岛理工大学 | Double-sleeve splicing joint of steel pipe with square outside and round inside and construction method thereof |
| CN108118783A (en) * | 2017-12-28 | 2018-06-05 | 清华大学 | A kind of connecting node of steel core concrete column and girder steel |
| CN108316478A (en) * | 2018-04-27 | 2018-07-24 | 重庆市公安消防总队 | A kind of novel steel tube concrete joint |
| CN109057031A (en) * | 2018-07-26 | 2018-12-21 | 北京工业大学 | Assembly concrete-filled steel tube superposed column-girder construction system of built-in more steel pipes |
| CN109083281A (en) * | 2018-10-21 | 2018-12-25 | 王琪 | A kind of steel construction with concrete structure |
| CN109610653A (en) * | 2018-12-05 | 2019-04-12 | 台州航权机械科技有限公司 | A kind of stable type beam-to-column joint structure and its installation method |
| CN110579390A (en) * | 2019-09-30 | 2019-12-17 | 河南乾坤路桥工程有限公司 | Device and method for testing safety performance of embedded steel pipe in concrete construction |
| CN110593419A (en) * | 2019-09-30 | 2019-12-20 | 北京工业大学 | Assembled type through bolt unequal-height beam-square steel tube concrete column joint structure and manufacturing method |
| CN111042332A (en) * | 2019-11-26 | 2020-04-21 | 北京工业大学 | Composite steel pipe concrete column beam column node and column-column inner steel pipe flange connection system |
| CN112681531A (en) * | 2021-01-12 | 2021-04-20 | 昆明理工大学 | Assembled precast concrete piece square steel post and girder steel node |
| CN112814170A (en) * | 2021-01-05 | 2021-05-18 | 中建海峡建设发展有限公司 | Detachable assembly type concrete filled steel tube joint and construction method |
| CN113863506A (en) * | 2021-09-29 | 2021-12-31 | 沈阳建筑大学 | Mixed connection node of assembled concrete column and H shaped steel roof beam |
| WO2022011759A1 (en) * | 2020-07-13 | 2022-01-20 | 青岛理工大学 | Double steel tube concrete beam-column node with built-in frp rib connecting apparatus and installation method therefor |
| CN114108806A (en) * | 2021-11-29 | 2022-03-01 | 扬州大学 | Prefabricated assembled steel pipe UHPC composite hollow column-steel beam combined frame |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514061A (en) * | 2017-08-23 | 2017-12-26 | 青岛理工大学 | Double-sleeve splicing joint of steel pipe with square outside and round inside and construction method thereof |
| CN108118783A (en) * | 2017-12-28 | 2018-06-05 | 清华大学 | A kind of connecting node of steel core concrete column and girder steel |
| CN108118783B (en) * | 2017-12-28 | 2023-12-29 | 清华大学 | Connecting node of steel pipe concrete column and steel beam |
| CN108316478A (en) * | 2018-04-27 | 2018-07-24 | 重庆市公安消防总队 | A kind of novel steel tube concrete joint |
| CN109057031A (en) * | 2018-07-26 | 2018-12-21 | 北京工业大学 | Assembly concrete-filled steel tube superposed column-girder construction system of built-in more steel pipes |
| CN109083281A (en) * | 2018-10-21 | 2018-12-25 | 王琪 | A kind of steel construction with concrete structure |
| CN109610653A (en) * | 2018-12-05 | 2019-04-12 | 台州航权机械科技有限公司 | A kind of stable type beam-to-column joint structure and its installation method |
| CN110579390B (en) * | 2019-09-30 | 2021-12-21 | 河南乾坤路桥工程有限公司 | Device and method for testing safety performance of embedded steel pipe in concrete construction |
| CN110593419A (en) * | 2019-09-30 | 2019-12-20 | 北京工业大学 | Assembled type through bolt unequal-height beam-square steel tube concrete column joint structure and manufacturing method |
| CN110579390A (en) * | 2019-09-30 | 2019-12-17 | 河南乾坤路桥工程有限公司 | Device and method for testing safety performance of embedded steel pipe in concrete construction |
| CN110593419B (en) * | 2019-09-30 | 2024-03-22 | 北京工业大学 | Node structure of assembled type through bolt unequal-altitude beam-square steel tube concrete column and manufacturing method |
| CN111042332A (en) * | 2019-11-26 | 2020-04-21 | 北京工业大学 | Composite steel pipe concrete column beam column node and column-column inner steel pipe flange connection system |
| CN111042332B (en) * | 2019-11-26 | 2021-05-07 | 北京工业大学 | Composite steel pipe concrete column beam column node and column-column inner steel pipe flange connection system |
| WO2022011759A1 (en) * | 2020-07-13 | 2022-01-20 | 青岛理工大学 | Double steel tube concrete beam-column node with built-in frp rib connecting apparatus and installation method therefor |
| CN112814170A (en) * | 2021-01-05 | 2021-05-18 | 中建海峡建设发展有限公司 | Detachable assembly type concrete filled steel tube joint and construction method |
| CN112681531A (en) * | 2021-01-12 | 2021-04-20 | 昆明理工大学 | Assembled precast concrete piece square steel post and girder steel node |
| CN113863506A (en) * | 2021-09-29 | 2021-12-31 | 沈阳建筑大学 | Mixed connection node of assembled concrete column and H shaped steel roof beam |
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