CN205387754U - Novel steel pipe mixes earth structure with prefabricated node - Google Patents

Novel steel pipe mixes earth structure with prefabricated node Download PDF

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Publication number
CN205387754U
CN205387754U CN201620174700.7U CN201620174700U CN205387754U CN 205387754 U CN205387754 U CN 205387754U CN 201620174700 U CN201620174700 U CN 201620174700U CN 205387754 U CN205387754 U CN 205387754U
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China
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beam slab
steel pipe
prefabricated
node
connect
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Expired - Fee Related
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CN201620174700.7U
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Chinese (zh)
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林宏磊
刘兴
罗保宏
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Individual
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Abstract

The utility model relates to a novel steel pipe mixes earth structure with prefabricated node belongs to the building field, novel steel pipe mixes earth structure with prefabricated node include the body, go up the flange, the lower flange, indulge the muscle and connect the beam slab on, connect beam slab, stopper, spacing groove down, the utility model discloses a nodal connection district is broken off completely, is an independent prefabricated component, prefabricated node through upper and lower two flanges with be used for doing post and flanged (FLGD) steel pipe and pass through the bolt and just be connected, four directions of prefabrication node have the reinforcing bar spacing groove of reservation, can directly be connected with the roof beam, not only can satisfy normal bearing capacity, the adverse effect who still arouses seismic action etc. Also has good resistivity, because flanged (FLGD) steel pipe and prefabricated component are prefabricated in the mill all, improve the precision and the speed of construction greatly to simple structure, construction convenience, the scene does not need any weldment work, need not wear the reinforcing bar yet and punch, alright light being connected with the beam column.

Description

The mixed prefabricated node of clay structure of a kind of novel steel tube
Technical field
This utility model belongs to building field, specifically, relates to the mixed prefabricated node of clay structure of a kind of novel steel tube.
Background technology
Concrete filled steel tube is that concrete is inserted a kind of steel-concrete combined structure formed in thin-wall steel tube, steel and the respective advantage of concrete can be made full use of, improve the mechanical property of component, there is the features such as bearing capacity height, ductility is good, anti-seismic performance is superior.It is widely used at present in the engineerings such as skyscraper, bridge structure and ocean platform.
In China, one of key of popularization and application steel core concrete column is the connectivity problem solving steel core concrete column with reinforced beam.In order to ensure that bean column node has enough intensity and ductility, steel tube concrete beam and column node needs to be optimized design, it is ensured that post and node have enough intensity, and under limit state, the mechanism of beam-ends generation plastic hinge ensures the security performance of structure.
At present, steel pipe is usually disconnected or carries out at node place partial impairment or adopts the form of reinforcing ring by the bean column node design of concrete filled steel tube, it is easy to forms relatively weak node area, affects the safety of structure.Therefore the beam-column joint of concrete filled steel tube need to be optimized design during design and rationally strengthen, to meet the Aseismic Design principle of " strong node, weak component ".
Summary of the invention
In order to overcome Problems existing in background technology, this utility model provides the mixed prefabricated node of clay structure of a kind of novel steel tube, present Research and existing achievement based on concrete filled steel tube beam-column joint, make it can meet on the basis of normal bearing capacity, the ill effect that geological process etc. is caused also has good resistivity, to meet the Aseismic Design principle of " strong node, weak component ".
For achieving the above object, this utility model is achieved by the following technical solution:
The mixed clay structure of described novel steel tube includes body 1 with prefabricated node, upper flange 2, lower flange 3, vertical muscle 4, on connect beam slab 5, under connect beam slab 6, limited block 7, stopper slot 8, the top of described body 1 is provided with upper flange 2, the bottom of body 1 is provided with lower flange 3, the outer wall of body 1 is provided with four vertical muscle 4 uniformly, the top of four vertical muscle 4 is provided with and connects beam slab 5, the bottom of four vertical muscle 4 is provided with down and connects beam slab 6, four top surface edge protruding I 9 connecing beam slab 5 on described are provided with limited block 7 uniformly, it is provided with stopper slot 8 between adjacent two limited blocks 7, under connect four of beam slab 6 lower surface edges protruding II 10 and be provided with limited block 7 uniformly, it is provided with stopper slot 8 between adjacent two limited blocks 7.
As preferably, four that connect beam slab 5 on described protrude between I 9, under connect four of beam slab 6 and protrude and all adopt arc transition between II 10.
As preferably, the described cylindrical structure of body 1, and the inside of body 1 is filled with mixed earth.
As preferably, connect on described four of beam slab 5 protrude I 9 and under connect beam slab 6 the number of four limited blocks 7 protruded on II 10 be the odd number more than 3.
The beneficial effects of the utility model:
Node bonding pad of the present utility model is fully disconnected, it is that an independent prefabricated component (is different from outer shroud, outer shroud is one ring of set on raw steel pipe), prefabricated node is connected by the beginning of bolt with being used for doing post and flanged (FLGD) steel pipe by upper and lower two flanges, prefabricated node four direction has reserved reinforcing bar stopper slot, directly can being connected with beam, can not only meet the loading capability normally held, the ill effect also geological process etc. caused also has good resistivity;It is prefabricated in the factory owing to flanged (FLGD) steel pipe and prefabricated components are entirely, is greatly improved the accuracy and speed of construction and simple in construction, easy construction, scene does not need any welding job, it is not required that wears reinforcing bar and punching, just can be attached with beam column easily.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is use state reference map of the present utility model.
In figure, 1-body, 2-upper flange, 3-lower flange, 4-vertical muscle, 5-connect and under beam slab, 6-, connects steel pipe under beam slab, 7-limited block, 8-stopper slot, 9-protrusion I, 10-protrusion II, 11-, 12-ring flange I, 13-beam, the upper steel pipe of 14-, 15-ring flange II.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to facilitate the technical staff to understand.
As shown in Figure 1-2, the mixed clay structure of described novel steel tube with prefabricated node include body 1, upper flange 2, lower flange 3, vertical muscle 4, on connect beam slab 5, under connect beam slab 6, limited block 7, stopper slot 8, described body 1 is the cylindrical structural adopting steel to make, and the inside of body 1 is filled with mixed earth, so can make full use of steel and concrete respective advantage, improve the mechanical property of prefabricated node, there is the features such as bearing capacity height, ductility is good, anti-seismic performance is superior.Described body 1 top is provided with upper flange 2, body 1 bottom is provided with lower flange 3, upper flange 2 is all with bolts with the ring flange I 12 of lower steel pipe 11 with the ring flange II 15 of upper steel pipe 14 and lower flange 3, both ensure that bonding strength, improve again efficiency of construction, it is ensured that lower steel pipe 11, upper steel pipe 14 and prefabricated node have enough intensity.
nullThe outer wall of body 1 is provided with four vertical muscle 4 uniformly,The top of four vertical muscle 4 is provided with and connects beam slab 5,The bottom of four vertical muscle 4 is provided with down and connects beam slab 6,The setting of four vertical muscle 4 improve connect beam slab 5 with under connect the weight capacity of beam slab 6,Four top surface edge protruding I 9 connecing beam slab 5 on described are provided with limited block 7 uniformly,It is provided with stopper slot 8 between adjacent two limited blocks 7,Under connect four of beam slab 6 lower surface edges protruding II 10 and be provided with limited block 7 uniformly,It is provided with stopper slot 8 between adjacent two limited blocks 7,Connect on described between four protrusions I 9 of beam slab 5,Under connect four of beam slab 6 and protrude and all adopt arc transition between II 10,Lengths of rebar reserved for beam 13 is snapped in and connects beam slab 5、Under connect on beam slab 6 in each stopper slot 8,Beam 13 is made to have strict directivity,Four vertical muscle 4 with on connect beam slab 5 with under connect beam slab 6 and coordinate,In addition limited block 7 and the stopper slot 8 restriction to beam 13,Beam 13 is avoided to produce crack with prefabricated node point connection,Guarantee that beam-ends produces the mechanism of plastic hinge to ensure the security performance of structure under limit state.
Connect on described four of beam slab 5 protrude I 9 and under connect four numbers protruding II 10 upper limit position blocks 7 of beam slab 6 and be the odd number more than 3, when making beam 13 be connected with prefabricated node, it is possible to fully engage, to improve the stability of beam 13.
Work process of the present utility model:
First the lower flange 3 of prefabricated node is connected by the ring flange I 12 of bolt and lower steel pipe 11, then the lengths of rebar that beam 13 is reserved is snapped in connect beam slab 5, under connect on beam slab 6 each stopper slot 8 in, again the upper flange 2 of prefabricated node is connected by the ring flange II 15 of bolt and upper steel pipe 14, finally more whole prefabricated node area concrete casting is become an entirety (bolt etc. of junction together can be watered into).
Node bonding pad of the present utility model is fully disconnected, it is that an independent prefabricated component (is different from outer shroud, outer shroud is one ring of set on raw steel pipe), prefabricated node is connected by the beginning of bolt with being used for doing post and flanged (FLGD) steel pipe by upper and lower two flanges, prefabricated node four direction has reserved reinforcing bar stopper slot, can directly be connected with beam, the loading capability normally held can not only be met, the ill effect also geological process etc. caused also has good resistivity, meet the Aseismic Design principle of " strong node, weak component ";It is prefabricated in the factory owing to flanged (FLGD) steel pipe and prefabricated components are entirely, is greatly improved the accuracy and speed of construction and simple in construction, easy construction, scene does not need any welding job, it is not required that wears reinforcing bar and punching, just can be attached with beam column easily.
What finally illustrate is, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from this utility model claims limited range.

Claims (4)

  1. null1. the mixed prefabricated node of clay structure of novel steel tube,It is characterized in that: the mixed prefabricated node of clay structure of described novel steel tube includes body (1)、Upper flange (2)、Lower flange (3)、Vertical muscle (4)、On connect beam slab (5)、Under connect beam slab (6)、Limited block (7)、Stopper slot (8),The top of described body (1) is provided with upper flange (2),The bottom of body (1) is provided with lower flange (3),The outer wall of body (1) is provided with four vertical muscle (4) uniformly,The top of four vertical muscle (4) is provided with and connects beam slab (5),The bottom of four vertical muscle (4) is provided with down and connects beam slab (6),Four top surface edge protruding I (9) connecing beam slab (5) on described are provided with limited block (7) uniformly,It is provided with stopper slot (8) between adjacent two limited blocks (7),Under connect four of beam slab (6) lower surface edges protruding II (10) and be provided with limited block (7) uniformly,It is provided with stopper slot (8) between adjacent two limited blocks (7).
  2. 2. the mixed prefabricated node of clay structure of a kind of novel steel tube according to claim 1, it is characterised in that: four that connect beam slab (5) on described protrude between I (9), under connect and all adopt arc transition between four protrusions II (10) of beam slab (6).
  3. 3. the mixed prefabricated node of clay structure of a kind of novel steel tube according to claim 1, it is characterised in that: described body (1) cylindrical structure, and the inside of body (1) is filled with mixed earth.
  4. 4. the mixed prefabricated node of clay structure of a kind of novel steel tube according to claim 1, it is characterised in that: connect on described four of beam slab (5) protrude I (9) and under connect beam slab (6) the number of upper limit position blocks (7) of four protrusions II (10) be the odd number more than 3.
CN201620174700.7U 2016-03-08 2016-03-08 Novel steel pipe mixes earth structure with prefabricated node Expired - Fee Related CN205387754U (en)

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Application Number Priority Date Filing Date Title
CN201620174700.7U CN205387754U (en) 2016-03-08 2016-03-08 Novel steel pipe mixes earth structure with prefabricated node

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105926775A (en) * 2016-05-06 2016-09-07 东南大学 Novel concrete-filled steel tube beam column joint
CN106869320A (en) * 2017-03-12 2017-06-20 东北石油大学 Framework and its construction method that coupled column combination beam is constituted
CN106948476A (en) * 2017-03-12 2017-07-14 东北石油大学 Framework and its construction method that prestressing with bond combination beam is constituted
CN108894316A (en) * 2018-07-12 2018-11-27 华南理工大学 A kind of connection structure of novel precast beam and prefabricated post
CN110106985A (en) * 2019-05-23 2019-08-09 福州大学 A kind of prefabricated assembled SRC column-girder steel cross combined joint

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105926775A (en) * 2016-05-06 2016-09-07 东南大学 Novel concrete-filled steel tube beam column joint
CN106869320A (en) * 2017-03-12 2017-06-20 东北石油大学 Framework and its construction method that coupled column combination beam is constituted
CN106948476A (en) * 2017-03-12 2017-07-14 东北石油大学 Framework and its construction method that prestressing with bond combination beam is constituted
CN106948476B (en) * 2017-03-12 2019-05-10 东北石油大学 The frame and its construction method that prestressing with bond combination beam is constituted
CN108894316A (en) * 2018-07-12 2018-11-27 华南理工大学 A kind of connection structure of novel precast beam and prefabricated post
CN110106985A (en) * 2019-05-23 2019-08-09 福州大学 A kind of prefabricated assembled SRC column-girder steel cross combined joint

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160720

Termination date: 20170308