CN207568030U - A kind of connecting node between the vertical member and floor of plate-column structure - Google Patents
A kind of connecting node between the vertical member and floor of plate-column structure Download PDFInfo
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- CN207568030U CN207568030U CN201721713136.2U CN201721713136U CN207568030U CN 207568030 U CN207568030 U CN 207568030U CN 201721713136 U CN201721713136 U CN 201721713136U CN 207568030 U CN207568030 U CN 207568030U
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- floor
- shaped steel
- vertical member
- shearing resistance
- plate
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Abstract
The utility model discloses the connecting nodes between the vertical member and floor of a kind of plate-column structure, shearing resistance shaped steel is provided in the connecting node, the vertical member is column or shear wall, the bottom muscle that the floor length direction intersects with shearing resistance shaped steel is anchored within the edge of a wing line of shearing resistance shaped steel, upper reinforcement reaches anchorage length across the upper surface of shearing resistance shaped steel；The shearing resistance shaped steel is arranged on the major axes orientation of vertical member.The connecting node of the utility model can realize that the bottom surface of floor is substantially flat without using bolumn cap or column bracket, and with the even preferably security reliability as bolumn cap node.
Description
Technical field
The utility model is related to concrete structure field, between the vertical member and floor of specially a kind of plate-column structure
Connecting node.
Background technology
Connecting node between the vertical member and floor of current concrete floor column structure (flatslab construction) has column
Hat type and concealed beam formula two ways, have the following disadvantages：
(1) type of attachment of bolumn cap and the cooperation of column bracket plate is set, and the major defect of this mode is that soffit cannot be complete
It is complete smooth, so as to influence local space；
(2) using the concealed beam formula of no bolumn cap slab construction, although this mode solves the problems, such as soffit out-of-flatness, its
Shearing resistance and punch resistant capability difference and without good anti-seismic performance.
(3) it is punching (cutting) between vertical member and floor that concrete floor column structure occurs most in concrete engineering
It destroys (case that the plate-column structure of this form collapses was occurred as soon as during 2017), and is brittle break, harm is very big.
Utility model content
The purpose of this utility model is to provide the connecting nodes between the vertical member and floor of a kind of plate-column structure, should
Connecting node can realize that the bottom surface of floor is substantially flat without using bolumn cap or column bracket, and with safety more better than bolumn cap node
Reliability.
The utility model solve above-mentioned technical problem technical solution be：
A kind of connecting node between the vertical member and floor of plate-column structure is provided with anti-shearing in the connecting node
Steel, the bottom muscle that floor length direction intersects with shearing resistance shaped steel are anchored within the edge line of shearing resistance shaped steel, and upper reinforcement is across shearing resistance
Shaped steel upper surface, and reach anchorage length.
Preferably, the shearing resistance shaped steel is arranged on the major axes orientation of vertical member.
Preferably, two major axes orientations of the vertical member are equipped with the shearing resistance shaped steel intersected, this is conducive to anti-shearing
The arrangement of steel.
Preferably, the shearing resistance shaped steel stretches out the slab thickness of the length more than or equal to 1.5 times at the edge of vertical member, from
And be conducive to slab strips on columns most main reinforcing bar and load is transmitted to vertical member by shearing resistance shaped steel.
Preferably, the shear strength design value for the total sectional area of shearing resistance shaped steel being configured is greater than or equal in this floor plate
Axis of a cylinder under representative value of gravity load effect is to pressure design value.Its object is to ensure that shearing resistance shaped steel meets safety requirements, subtract
Steel in few connecting node between vertical member and floor enters the quantity of reinforcing bar, in order to construct and ensure quality.
The utility model has the advantages that compared with prior art:
(1) connecting node between the vertical member and floor of the plate-column structure of the utility model solves girderless floor knot
Structure, which does not need to bolumn cap (column bracket), can also stronger shear resistance and punch resistant capability, thus with higher safe and reliable
Property, and can ensure that the bottom of floor is smooth；The connecting node is a kind of girderless floor of innovation (plate-column structure) node.
(2) connecting node between the vertical member and floor of the plate-column structure of the utility model passes through in the connecting node
Interior setting shearing resistance shaped steel needs a large amount of reinforcing bars come the shortcomings that resisting failure by shear so as to reduce column cap node of the prior art,
And then the connecting node between the column of plate-column structure and floor is greatly simplified, not only make construction simpler, but also be easily guaranteed that
Construction quality, the security reliability so as to improve plate-column structure.
(3) connecting node between the vertical member and floor of the plate-column structure of the utility model is one to plate-column structure
Kind effectively supplement so that flatslab construction is more advantageous to design and construction standardization.
Description of the drawings
Fig. 1 is first embodiment party of the connecting node between the vertical member and floor of the plate-column structure of the utility model
The structural plan figure of formula.
Fig. 2 is the A-A sections of Fig. 1.
Fig. 3 is the B-B sections of Fig. 1.
Fig. 4 is second embodiment party of the connecting node between the vertical member and floor of the plate-column structure of the utility model
The structural plan figure of formula.
Fig. 5 is the C-C sections of Fig. 4.
Fig. 6 is the D-D sections of Fig. 4.
In figure：1- shearing resistance shaped steel, the bottom muscle at 2- slab strips on columns, the bent-up bar of the lower part at 2a- slab strips on columns, 3- columns
Upper reinforcement at upper strip, 4- columns, 5- floors, b- columns are wide, the length of L- shearing resistance shaped steel, and L1- shearing resistances shaped steel is stretched out outside column
Length, H- slab thicknesses.
Specific embodiment
The utility model is described in further detail with reference to embodiment and attached drawing, but the implementation of the utility model
Mode is without being limited thereto.
Embodiment 1
Referring to Fig. 1-Fig. 3, set in the connecting node between the vertical member of the plate-column structure of the utility model and floor 5
There is shearing resistance shaped steel 1, the vertical member is made of column 4 or shear wall；The length direction of the floor 5 intersects with shearing resistance shaped steel 1
Bottom muscle 2 anchor into the edge of a wing edge of shearing resistance shaped steel 1 (enter in) of shearing resistance shaped steel 1, upper reinforcement 3 is upper across shearing resistance shaped steel 1
Surface, and reach anchorage length；The shearing resistance shaped steel 1 is arranged at two major axes orientations of column 4, which stretches out column 4
Edge length L1 be more than or equal to 1.5 times of fishplate bar thickness H, i.e. total length L >=b+3H of shearing resistance shaped steel 1 so that shearing resistance shaped steel 1
Reach and be conducive to most of main reinforcing bar of slab strips on columns after certain length load is transmitted on column 4 (figure by shearing resistance shaped steel 1
1 is symmetrical structure, and the bottom muscle 2 and upper reinforcement 3 of floor are drawn wherein to be represented on one side).
Column 4 in the present embodiment is steel column, and shearing resistance shaped steel 1 is welded on steel column.
The shear strength design value of the total sectional area of shearing resistance shaped steel 1 be configured can be more than or equal to as needed in this layer
Axis of a cylinder under the effect of floor representative value of gravity load is to pressure design value.Effect is to ensure that shearing resistance shaped steel 1 meets safety requirements, subtracts
The reinforcing bar of few floor 5 anchors into the quantity in column 4, in order to construct and ensure quality.Pass through above structure connecting node
Shear-carrying capacity meets national regulation《Code for design of concrete structures》GB50010-2010 and《Seismic design provision in building code》
GB50011-2010 is provided.So as to reduce the quantity of column cap reinforcing bar, be conducive to reinforcing bar configuration and arrangement so that easy and energy of constructing
Better ensure that quality." strength failure criterion ", " this floor plate representative value of gravity load " in the utility model, " axis of a cylinder is to pressure
Power design value ", " slab strips on columns " and proper nouns such as " major axes orientations of column " are all country in relation to the title in specification.
Embodiment 2
Referring to Fig. 4-Fig. 6, the present embodiment is a difference in that the vertical member as reinforced column with embodiment 1,
The shearing resistance shaped steel 1 is arranged on the center of concrete column；Another difference is that the bottom muscle 2 of the slab strips on columns in floor 5 has part
The top of shearing resistance shaped steel 1 is bent up, so as to form moment reinforcement 2a.
Referring to Fig. 1-Fig. 6, generic field form of construction work can be used in the concrete construction method of embodiment 1 and embodiment 2, i.e., logical
Normal construction techniques, in the template 5 of capital fabrication and installation floor constructed, installation shearing resistance shaped steel 1, assembling reinforcement is poured
Concrete is built, concrete strength reaches form removal after requirement, completes all constructions.
If the concrete construction method of embodiment 1 and embodiment 2 is using fabricated construction method：
Pre-fabricated factory as drawing production floor 5 combined member, process connecting node needed for reinforcing bar, construction it is suitable
Sequence is as follows：
(1) vertical supporting for supporting floor 5 is installed；It is required to meet construction loads requirement, installation flatness and absolute altitude
It is required that.
(2) shearing resistance shaped steel 1 is installed at the connecting node of reinforced column, (connecting node of steel column in factory
Shearing resistance shaped steel 1 and steel column weldedization)
(3) combined member of floor 5 is lifted, shelves and is fixed on the vertical supporting of step (1) completion.The bottom muscle 2 of floor 5
It is shelved on the bottom flange of shearing resistance shaped steel 1.
(4) combined member of lifting and spliced floor 5, pouring concrete pours slot after formation.
(5) pouring concrete pours the reinforcing bar at slot after being installed, connected and being bound by design requirement.The reinforcing bar includes
Bottom muscle 2 at the slab strips on columns of the reserved connection of floor 5 or anchoring, bent-up bar 2a, the column upper plate of the lower part at slab strips on columns
The supplement reinforcing bar that upper reinforcement 3 and design or construction with place need.
(6) it is poured in rear pouring concrete and delay-pour joint concrete is poured in slot, dismounting is perpendicular after concrete setting reaches intensity
To support.
" slab strips on columns " and " vertical member major axes orientation " of sheet-pile (arch without beam) structure described in the utility model be
《Code for design of concrete structures》Title in GB50010-2010, it is signified consistent with specification." arch without beam " or " Wu Lianglou
Plate " is the title of former specification and engineering, and present specification is " plate-column structure "；" arch without beam ", " girderless floor " and " sheet-pile knot
Structure " is identical architecture structure form but the title of different times.
Above-mentioned is the preferable embodiment of the utility model, but the embodiment of the utility model is not by the above
Limitation, other any Spirit Essences without departing from the utility model with made under principle change, modification, replacement, combine, letter
Change, should be equivalent substitute mode, be included within the scope of protection of the utility model.
Claims (6)
1. the connecting node between the vertical member and floor of a kind of plate-column structure, which is characterized in that set in the connecting node
Have shearing resistance shaped steel, the bottom muscle that floor length direction intersects with shearing resistance shaped steel is anchored within shearing resistance shaped steel edge line, upper reinforcement across
Shearing resistance shaped steel upper surface is crossed, and reaches anchorage length.
2. the connecting node between the vertical member and floor of plate-column structure as described in claim 1, it is characterised in that：It is described
Shearing resistance shaped steel is arranged on the major axes orientation of vertical member.
3. the connecting node between the vertical member and floor of plate-column structure as described in claim 1, it is characterised in that：It is described
Two major axes orientations of vertical member are equipped with the shearing resistance shaped steel intersected.
4. the connecting node between the vertical member and floor of plate-column structure as described in claim 1, it is characterised in that：It is described
Shearing resistance shaped steel stretches out the slab thickness of the length more than or equal to 1.5 times at the edge of vertical member.
5. the connecting node between the vertical member and floor of plate-column structure as described in claim 1, it is characterised in that：Matched
The shear strength design value for the total sectional area of shearing resistance shaped steel put is greater than or equal to be acted in this floor plate representative value of gravity load
Under axis of a cylinder to pressure design value.
6. the connecting node between the vertical member and floor of the plate-column structure as described in any one of claim 1-5, special
Sign is：The vertical member is made of column or shear wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713136.2U CN207568030U (en) | 2017-12-11 | 2017-12-11 | A kind of connecting node between the vertical member and floor of plate-column structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713136.2U CN207568030U (en) | 2017-12-11 | 2017-12-11 | A kind of connecting node between the vertical member and floor of plate-column structure |
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| CN207568030U true CN207568030U (en) | 2018-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882234A (en) * | 2017-12-11 | 2018-04-06 | 刘祥锦 | A kind of connecting node between the vertical member and floor of plate-column structure |
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2017
- 2017-12-11 CN CN201721713136.2U patent/CN207568030U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882234A (en) * | 2017-12-11 | 2018-04-06 | 刘祥锦 | A kind of connecting node between the vertical member and floor of plate-column structure |
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