CN207892021U - A kind of novel fabricated steel-regeneration concrete combination frame structural system - Google Patents

A kind of novel fabricated steel-regeneration concrete combination frame structural system Download PDF

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Publication number
CN207892021U
CN207892021U CN201721891503.8U CN201721891503U CN207892021U CN 207892021 U CN207892021 U CN 207892021U CN 201721891503 U CN201721891503 U CN 201721891503U CN 207892021 U CN207892021 U CN 207892021U
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regeneration concrete
frame
column
steel
regeneration
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CN201721891503.8U
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韩林海
吕晚晴
张勇波
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Tsinghua University
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Tsinghua University
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Priority claimed from PCT/CN2018/114871 external-priority patent/WO2019128492A1/en
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Abstract

The utility model discloses a kind of novel fabricated steel regeneration concrete combination frame structural systems, belong to structural engineering field, it is characterized in that, the frame column of the combination frame structural system uses steel tube regeneration concrete column, floor uses profiled sheet partial regeneration concrete combined floor, i.e. concrete in tension zone uses regeneration concrete, bean column node to use unilateral High-Strength Bolt End-Plate Connection Joints, realization that can assemble, detachably.The structural system gives full play to the work characteristics of steel and regeneration concrete from heavy and light, and joint structure is simple, and Standard rate is high, easy construction, has good stress performance and economic benefit.Meanwhile effectively using regeneration concrete, it can be achieved that the effective recycling of building waste, can more fully hereinafter embody the idea of development of sustainable civil engineering in the building frame construction system that engineer application has a large capacity and a wide range.The utility model is applied in the structure types such as frame, frame-shear wall, is suitable for multilayer or the agent structure system of high-level structure.

Description

A kind of novel fabricated steel-regeneration concrete combination frame structural system
Technical field
The utility model is related to the technical field of structures of civil engineering, again more particularly, to a kind of novel fabricated steel- Growing concrete combination frame structural system.
Background technology
Frame structure has many advantages, such as, from heavy and light, space segmented flexible, to can be used as multilayer or the agent structure of high-level structure System is one of the structure type being most widely used in building construction.Common frame structure system has concrete frame knot Structure system, steel frame structural system and steel-concrete combination frame structural system.Wherein, concrete frame structure is mostly cast-in-place Concrete frame, globality is strong but assembly rate is low, and speed of application is slow, high energy consumption, with national " greatly developing assembled architecture " Instruction is incompatible;Steel frame structural system assembly rate is high, and speed of application is very fast, but there are fire resistance and durability compared with Difference, construction cost and the high defect of later maintenance cost;Steel-concrete combination frame structural system application concrete filled steel tubular member And the steel-concretes combined member such as SRC member, give full play to the work characteristics of steel and concrete, assembly rate compared with Height, but there are node regions to construct the problems such as complex, difficulty of construction is big.Meanwhile year by year with China's construction market scale It is incremented by, the yield of building waste also gradually increases, and the prominent hardly possible that building waste has become China's development how is effectively treated Topic.The birth of recycled concrete and the recycling for developing into discarded concrete provide an effective approach, but regenerate The deficiency and defect of concrete performance constrain its application in practical architectural engineering.
Therefore, there is an urgent need to a kind of assembly rate height, easy construction, stress performances and good in economic efficiency, while can be effective Using the new structural systen of regeneration concrete, with adapt to construction refuse resource with build assembling, industrialization it is sustainable Demand for development.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.
For this purpose, the utility model proposes the assembly of the novel fabricated steel-regeneration concrete combination frame structural system Rate height, easy construction, stress performance and good in economic efficiency.
According to a kind of novel fabricated steel-regeneration concrete combination frame structural system of the utility model embodiment, packet Include frame column, composite floor, bean column node, wherein:
Frame column, is a kind of steel tube regeneration concrete column, including hollow steel tube and interior fills out regeneration concrete;Each frame Trestle extends along vertical direction, and multiple frame columns are in multiple rows of in a lateral direction, and is in multiple row in a longitudinal direction Formula is arranged;
Composite floor, is a kind of profiled sheet-partial regeneration concrete combined floor, and the composite floor is supported on described On frame column, including Vierendeel girder and plate body, plate body include profiled sheet, regeneration concrete layer, normal concrete layer, Shear connection Part and distribution bar;Vierendeel girder is a kind of I-shaped cross section steel beam, is made of top flange, web and lower flange;Vierendeel girder and pressure Shape steel plate and shear connector are by being welded to connect;It uses and cuts between profiled sheet and regeneration concrete layer and normal concrete layer Power connector connects;The following concrete parts of composite floor natural axis use regeneration concrete layer, by constructional reinforcement;Composite floor Natural axis above section is using normal concrete layer and configures distribution bar;
Bean column node, is a kind of unilateral High-Strength Bolt End-Plate Connection Joints, including frame column, Vierendeel girder, end plate and unilateral High-strength bolt;Vierendeel girder with the end top flange of end plate connection and lower flange at weld set square;Vierendeel girder is used with end plate Twin fillet wolt welds;At node up and down, correspondence is provided with bolt to the empty steel pipe of frame column in empty steel pipe wall and end plate Hole, the bolt hole that unilateral high-strength bolt passes through end plate reserved with empty steel pipe wall from outside to inside are tightened unilateral from empty steel pipe outside High-strength bolt connects end plate and frame column;Vierendeel girder pours regeneration concrete after installation is complete into the empty steel pipe of frame column.
The section of one embodiment according to the present utility model, the empty steel pipe in the frame column is round, rectangular or square Shape.
The section form of another embodiment according to the present utility model, the Vierendeel girder is rolling I-shaped cross-section or weldering Connect I-shaped cross-section;The end of frame girder edge of a wing weld set square, the set square along the top flange width direction with it is described The width direction of the upper end of end plate is consistent, width of the set square along the width direction of the lower flange and the lower end of the end plate Spend direction with it is consistent.
The end plate of another embodiment according to the present utility model, the node is endplate connections, and cross-sectional shape is Arc-shaped and rectangle corresponds to round steel pipe regeneration concrete column and square steel tube regeneration concrete column respectively;The end plate is along the frame The length of trestle circumferential direction is less than or equal to the 1/4 of the outer perimeter of the frame column.
According to the further example of the utility model, the unilateral high-strength bolt of the node be can one side using spanner or Other installation tools are tightened and fixed special high-strength bolt.
The section form of further embodiment according to the present utility model, the profiled sheet of the composite floor is opening Type, closed type or necking type;The shear connector of the composite floor is peg;The concrete parts of the composite floor be Prefabrication is cast-in-place, and natural axis is determined according to calculating, and when casting concrete, regeneration concrete layer is first poured, when regeneration is mixed Solidifying soil layer pours normal concrete layer again after reaching some strength.
In some embodiments, the regeneration coagulation used in the regeneration concrete and composite floor that are used in the frame column The regeneration substitution rate of soil layer is no more than 50%, and strength grade is RC30~RC60.
In some embodiments, the profiled sheet in the empty steel pipe in the frame column, Vierendeel girder and composite floor is adopted With model Q235, Q345, Q420 or Q490 of steel.
The beneficial effects of the utility model are:
(1) it is compared with currently used concrete frame structure, it is excellent to have that assembly rate is high, speed of application is fast, low energy consumption etc. Gesture;It is compared with currently used steel-frame structure, has high capacity, fire resistance and durability strong, good in economic efficiency etc. excellent Gesture;It is compared with currently used steel-concrete combination frame structure, has joint structure simple, speed of application is fast, the utilization of resources The high advantage of rate.
(2) frame realizes the connection of steel tube regeneration concrete column and girder steel using unilateral High-Strength Bolt End-Plate Connection Joints, Without site welding, realization can assemble, detachably, and joint structure is simple, power transmission is clear, installation accuracy is high, make structure have compared with High assembly rate and construction efficiency.
(3) in profiled sheet-partial regeneration concrete combined floor, permanent template of the profiled sheet as concrete saves The process for removing formwork in site operation greatly improves speed of application, reduces construction cost;Meanwhile composite floor is managed convenient for being laid with Line makes the structural system have good economy and applicability.
(4) application of the regeneration concrete in building structure supporting member frame column, effectively increases its comprehensive utilization ratio, Belong to high-level utilization;Meanwhile the use of normal concrete is greatly saved in application of the regeneration concrete in composite floor, drop Low construction cost makes structure have higher building waste resource utilization and economic benefit.It has a large capacity and a wide range in engineer application Regeneration concrete is effectively applied in building frame construction system, is realized the effective recycling of building waste, is relatively fully demonstrated The idea of development of sustainable civil engineering.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment Become apparent and is readily appreciated that, wherein:
Fig. 1 is a kind of novel fabricated steel-regeneration concrete combination frame structure according to the utility model embodiment The schematic diagram of system;
Fig. 2 is a kind of novel fabricated steel-regeneration concrete combination frame structure according to the utility model embodiment The connecting node schematic diagram of system;
Fig. 3 is a kind of novel fabricated steel-regeneration concrete combination frame structure according to the utility model embodiment The connecting node vertical view of system;
Fig. 4 is a kind of novel fabricated steel-regeneration concrete combination frame according to another embodiment of the utility model The connecting node front view of structural system;
Fig. 5 is a kind of novel fabricated steel-regeneration concrete combination frame according to another embodiment of the utility model The schematic diagram of the composite floor of structural system;
Fig. 6 is the sectional view of the line A-A along Fig. 5.
Reference numeral:
100:A kind of novel fabricated steel-regeneration concrete combination frame structural system;
10:Frame column;
11:Empty steel pipe;12:Regeneration concrete;
20:Composite floor;
21:Vierendeel girder;211:Top flange;212:Lower flange;213:Web;214:Set square;
22:Plate body;221:Profiled sheet;222:Regeneration concrete layer;
223:Normal concrete layer;224:Shear connector;225:Reinforcing bar;
30:Bean column node;
31:End plate;32:Unilateral high-strength bolt.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axis To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for Described convenient for description the utility model and simplifying, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, define " the One ", the feature of " second " can explicitly or implicitly include one or more this feature.In the description of the utility model In, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.
Below with reference to Fig. 1-Fig. 6 descriptions according to a kind of novel fabricated steel-regeneration concrete of the utility model embodiment Combination frame structural system 100.
As shown in figs 1 to 6, according to a kind of novel fabricated steel-regeneration concrete mixing frame of the utility model embodiment Frame structural body system 100 includes multiple frame columns 10, multiple composite floors 20 and multiple bean column nodes 30.
Specifically, each frame column 10 extends along vertical direction, and multiple frame columns 10 are in multiple rows of cloth in a lateral direction It sets, and is in that multi-column type is arranged in a longitudinal direction, composite floor 20 is supported on frame column 10.
Further, composite floor 20 includes Vierendeel girder 21 and plate body 22, and multiple Vierendeel girders 21 are distributed in the vertical direction In multiple and different horizontal planes, each in the multiple Vierendeel girders 21 being distributed in same level is prolonged in horizontal or vertical direction It stretches, the both ends of each Vierendeel girder 21 are connected with two adjacent frame columns 10 respectively;Plate body 22 includes profiled sheet 221, regeneration Concrete layer 222, normal concrete layer 223, shear connector 224 and reinforcing bar 225.
The hollow steel tube 11 of frame column 10 is prefabricated in the factory to be transported to construction site and is installed after processing is completed, according to Construction drawing opens up bolt hole in 11 tube wall corresponding position of steel pipe, and Vierendeel girder 21 is prefabricated in the factory to be transported to after processing is completed and apply Work scene is installed, and the cross section of Vierendeel girder 21 can take rolling or welding manner to be processed, Vierendeel girder 21 and frame column 10 are welded with set square 214 to reduce stress concentration in the end of junction, make plastic region far from cylinder.
The end of Vierendeel girder 21 is welded with end plate 31 by twin fillet wolt, and end plate 31 is according to construction drawing in corresponding positions Set and open up bolt hole, cylinder 10 is attached with Vierendeel girder 21 by unilateral high-strength bolt 32, unilateral high-strength bolt 32 from outside to The tube wall of end plate 31 and hollow steel tube 11 is inside sequentially passed through, and is tightened from 11 outside of steel pipe, installation is complete for unilateral high-strength bolt 32 Afterwards, regeneration concrete 12 is poured into the hollow steel tube 11 of frame column 10.
When composite floor 20 is constructed using cast-in-place mode, after in hollow steel tube and Vierendeel girder 21, installation is complete, then pacify Profiled sheet 221 is filled, is connected using plug welding between profiled sheet 221 and Vierendeel girder 21, needs is judged whether according to result of calculation It adds profiled sheet 221 and carries out temporary support.After the completion of profiled sheet 221 is laid with, according to construction drawing to cutting on Vierendeel girder 21 Power connector 224 is positioned, and shear connector 224 can be peg, and shear connector 224 passes through the company of welding with Vierendeel girder 21 It connects, for shear connector 224 after installation is complete, assembling reinforcement 225 first pours regeneration concrete 222, concrete layer 222 to be regenerated After reaching some strength, then pour normal concrete layer 223.When composite floor 20 is using prefabricated board, shear connector 224 Arrangement, regeneration concrete layer 222 and pouring for normal concrete layer 223 are completed in factory, and the installation of composite floor 20 It completes at the construction field (site).
According to a kind of novel fabricated steel-regeneration concrete combination frame structural system 100 of the utility model embodiment Other constitute and operation be all for those of ordinary skills known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (8)

1. a kind of novel fabricated steel-regeneration concrete combination frame structural system, which is characterized in that the combination frame system Including frame column (10), composite floor (20), bean column node (30), wherein:
Frame column (10), is a kind of steel tube regeneration concrete column, including hollow steel tube (11) and interior fills out regeneration concrete (12);Often A frame column (10) extends along vertical direction, and multiple frame columns (10) are in multiple rows of in a lateral direction, and It arranges in multi-column type on longitudinal direction;
Composite floor (20) is a kind of profiled sheet-partial regeneration concrete combined floor (20), composite floor (20) branch Support is on the frame column (10), including Vierendeel girder (21) and plate body (22), the plate body (22) include profiled sheet (221), Regeneration concrete layer (222), normal concrete layer (223), shear connector (224) and distribution bar (225);The Vierendeel girder (21) it is a kind of I-shaped cross section steel beam, is made of top flange (211), web (213) and lower flange (212);The Vierendeel girder (21) with the profiled sheet (221) and the shear connector (224) by being welded to connect;The profiled sheet (221) with It is connected using the shear connector (224) between the regeneration concrete layer (222) and normal concrete layer (223);It is described The following concrete parts of composite floor (20) natural axis use the regeneration concrete layer (222), by constructional reinforcement;The combination Floor (20) natural axis above section is using the normal concrete layer (223) and configures the distribution reinforcing bar (225);
Bean column node (30) is a kind of unilateral High-Strength Bolt End-Plate Connection Joints (30), including the frame column (10), the frame It sets a roof beam in place (21), end plate (31) and unilateral high-strength bolt (32);The end institute that the Vierendeel girder (21) connects in the end plate (31) It states and welds set square (214) at top flange (211) and the lower flange (212);The Vierendeel girder (21) and the end plate (31) It is welded using twin fillet wolt;The empty steel pipe (11) of the frame column (10) at the node (30) up and down, the sky Corresponding on steel pipe (11) tube wall and the end plate (31) to be provided with bolt hole, the unilateral high-strength bolt (32) passes through institute from outside to inside End plate (31) bolt hole reserved with described empty steel pipe (11) tube wall is stated, the unilateral height is tightened on the outside of the empty steel pipe (11) Strength bolt (32) connects the end plate (31) and the frame column (10);The Vierendeel girder (21) is after installation is complete, to the frame The regeneration concrete (12) is poured in the empty steel pipe (11) of trestle (10).
2. a kind of novel fabricated steel-regeneration concrete combination frame structural system according to claim 1, feature exist In the section of the empty steel pipe (11) in the frame column (10) is round, rectangular or rectangle.
3. a kind of novel fabricated steel-regeneration concrete combination frame structural system according to claim 1, feature exist In the section form of the Vierendeel girder (21) is rolling I-shaped cross-section or welding I-section section;Vierendeel girder (21) end Weld the set square (214), width direction and the end of the set square (214) along the top flange (211) in the portion edge of a wing The width direction of the upper end of plate (31) is consistent, width direction and the end of the set square (214) along the lower flange (212) The width direction of the lower end of plate (31) with it is consistent.
4. a kind of novel fabricated steel-regeneration concrete combination frame structural system according to claim 1, feature exist In the end plate (31) of the node (30) is endplate connections (31), and cross-sectional shape is arc-shaped and rectangle, respectively corresponding circle Steel tube regeneration concrete column and square steel tube regeneration concrete column;The end plate (31) is small along the length of the frame column (10) circumferential direction In 1/4 of the outer perimeter equal to the frame column (10).
5. a kind of novel fabricated steel-regeneration concrete combination frame structural system according to claim 1, feature exist In the unilateral high-strength bolt (32) of the node (30) is that can be tightened and be consolidated using spanner or other installation tools on one side Fixed special high-strength bolt.
6. a kind of novel fabricated steel-regeneration concrete combination frame structural system according to claim 1, feature exist In the section form of the profiled sheet (221) of the composite floor (20) is open-type, closed type or necking type;The combination The shear connector (224) of floor (20) is peg;The concrete parts of the composite floor (20) are to be prefabricated in the factory or show It pours, natural axis is determined according to calculating, and when casting concrete, the regeneration concrete layer (222) is first poured, when the regeneration is mixed Solidifying soil layer (222) pours the normal concrete layer (223) again after reaching some strength.
7. a kind of novel fabricated steel-regeneration concrete combination frame structural system according to claim 1, feature exist In the regeneration used in the regeneration concrete (12) and the composite floor (20) that are used in the frame column (10) The regeneration substitution rate of concrete layer (222) is no more than 50%, and strength grade is RC30~RC60.
8. a kind of novel fabricated steel-regeneration concrete combination frame structural system according to claim 1, feature exist In the profiled sheet in empty steel pipe (11), the Vierendeel girder (21) and the composite floor (20) in the frame column (10) (221) model Q235, Q345, Q420 or Q490 of used steel.
CN201721891503.8U 2017-12-28 2017-12-28 A kind of novel fabricated steel-regeneration concrete combination frame structural system Active CN207892021U (en)

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CN201721891503.8U CN207892021U (en) 2017-12-28 2017-12-28 A kind of novel fabricated steel-regeneration concrete combination frame structural system
PCT/CN2018/114871 WO2019128492A1 (en) 2017-12-28 2018-11-09 Novel prefabricated frame structure system combining steel and recycled concrete

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019128492A1 (en) * 2017-12-28 2019-07-04 清华大学 Novel prefabricated frame structure system combining steel and recycled concrete

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019128492A1 (en) * 2017-12-28 2019-07-04 清华大学 Novel prefabricated frame structure system combining steel and recycled concrete

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