CN202214853U - Opening structure of steel plate shear wall - Google Patents
Opening structure of steel plate shear wall Download PDFInfo
- Publication number
- CN202214853U CN202214853U CN2011203074009U CN201120307400U CN202214853U CN 202214853 U CN202214853 U CN 202214853U CN 2011203074009 U CN2011203074009 U CN 2011203074009U CN 201120307400 U CN201120307400 U CN 201120307400U CN 202214853 U CN202214853 U CN 202214853U
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- hole
- steel plate
- frame
- plate shear
- shear force
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Abstract
The utility model relates to an opening structure of a steel plate shear wall, which comprises frame posts, frame beams and opening frame posts, wherein the frame posts are vertically arranged on edges of the steel plate shear wall; the opening frame posts are vertically arranged on edges of an opening; the frame beams are horizontally arranged on the edges of the steel plate shear wall and fixedly connected with the frame posts and the opening frame posts; and reinforcing elements are fixed on the edges of the opening to form opening coupling beams. The utility model effectively solves the problem that the conventional steel plate shear wall with an opening is liable to be torn due to stress concentration at the corner of the opening; and while meeting building function requirements, the opening structure provided by the utility model has the advantages of reasonable structure, definite force transmission, simplicity and convenience in construction, and very strong practicability and operability.
Description
Technical field
The utility model relates to a kind of lateral resistant member of building field, particularly relates to a kind of hole structure of steel plate shear force wall.
Background technology
Steel plate shear force wall is a kind of novel lateral resistant member that grows up the seventies in 20th century, and it mainly acts on lateral rigidity, shear strength and the anti-earthquake ductility that provides building structure.Research shows that steel plate shear force wall can be given full play to the characteristics that steel ductility is good, energy dissipation capacity is strong, has outstanding anti-seismic performance, is a kind of super highrise building lateral resistant member with broad prospect of application.
Super highrise building core tube shear wall combines vertical traffic hoistway and equipment to use the room spatial placement usually, and body of wall need be offered door opening sometimes, and when adopting the steel plate shear force wall structure, the hole will produce appreciable impact to the fringe conditions and the stress of wallboard.Do not see at present both at home and abroad band hole steel plate shear force wall as yet and specialize in the relevant newspaper of using is logical and lack relevant code for structural design, seriously restricted the practical applications of this high-effect lateral resisting structure.
This shows that above-mentioned existing steel plate shear force wall structurally obviously still has inconvenience and defective, and demands urgently further improving.How to found and a kind ofly can effectively solve the problem that steel plate shear force wall is provided with the hole; Reinforcement is carried out on the limit, hole; Alleviate bight, hole stress concentration phenomenon; Avoid steel plate to tear, guarantee the hole structure of the new steel plate shear force wall of punching steel plate shear wall good seismic resistance, one of real important subject that belongs to current industry.
The utility model content
The technical problem that the utility model will solve provides a kind of hole structure of steel plate shear force wall; Make it can effectively solve the problem that steel plate shear force wall is provided with the hole; Reinforcement is carried out on the limit, hole, alleviated bight, hole stress concentration phenomenon, avoid steel plate to tear; Guarantee punching steel plate shear wall good seismic resistance, thereby overcome the deficiency of existing steel plate shear force wall.
For solving the problems of the technologies described above, the hole structure of a kind of steel plate shear force wall of the utility model comprises frame columns, frame beam and hole frame columns, and wherein: frame columns vertically is arranged at the edge of steel plate shear force wall; The hole frame columns vertically is arranged at the edge, hole; The frame beam is horizontally set at the edge of steel plate shear force wall, be fixedly connected with frame columns, hole frame columns, and edge is fixed with stiffener formation hole Lian Liang at the hole.
As a kind of improvement of the utility model, described hole frame columns, frame beam all adopt H shaped steel; The cross section of stiffener is fixed on the hole top edge for falling " T " font, and forming the cross section with the frame beam is the hole Lian Liang of " king " font.
Described hole connects beam and is provided with two above stiffening ribs, and the extended line position at hole frame columns Lian Liang edge at the hole is provided with stiffening rib, and the frame beam is provided with stiffening rib on frame columns edge, hole extended line.
Describedly be positioned at the corresponding stiffening rib width in Lian Liang both sides, hole and be b
f-2t
l, thickness is not less than 0.75t
lAnd 10mm, wherein b
fFor the hole connects the flange width of beam, t
lThe web thickness that connects beam for the hole.
When described hole connected beam and is connected with the hole frame columns, the hole connects between the edge of a wing of the edge of a wing and hole frame columns of beam adopted the butt weld of groove full penetration; The hole connects between web and the hole frame columns of beam adopts fillet weld; Three limits of stiffening rib adopt twin fillet wolt to be connected with hole Lian Liang, hole frame columns, frame beam.
The flange width of described stiffener is less than the flange width of hole frame columns.
Described hole connects beam and adopts the design of shear yielding type, its net span a≤1.6M
Lp/ V
Lp, wherein, M
LpFor connecting beam plasticity, the hole receives curved bearing capacity, V
LpFor connecting beam plasticity, the hole cut bearing capacity.
Described hole connects the free extension b of flange of beam
1With its thickness t
fRatio meet:
F wherein
yBe the steel yield strength.
Described hole connects web height h
0With its thickness t
wRatio meet:
Wherein, N is an axle power design load, and A is the sectional area that the hole connects beam, and f is the steel strength design load, f
yBe the steel yield strength.
Bottom flange on the Lian Liang two ends, described hole, connect beam with the hole and be provided with horizontal lateral support with bottom flange on the frame beam of striding.
After adopting such design, the utility model effectively solves band bight, steel plate shear force wall hole, hole stress and concentrates and occur the problem of tearing easily, when satisfying building function and requiring; Rational in infrastructure; Power transmission is clear and definite, and easy construction has very strong practicality and operability.
Description of drawings
Above-mentioned only is the general introduction of the utility model technical scheme, in order more to know the technological means of understanding the utility model, below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further to specify.
Fig. 1 is the elevational schematic view of the hole structure of the utility model steel plate shear force wall.
Fig. 2 is the floor map of the hole structure of the utility model steel plate shear force wall.
Fig. 3 is that the hole of the hole structure of the utility model steel plate shear force wall connects the beam generalized section.
The specific embodiment
See also Fig. 1, shown in Figure 2, the hole structure of the utility model steel plate shear force wall comprises frame columns 1, frame beam 2 and hole frame columns 3.
Wherein, frame columns 1 for example can adopt rectangular steel-tube concrete column like figure, be arranged on the shear wall both sides, and is identical with the steel plate shear force wall height and upwards extend below.
Please cooperate and consult shown in Figure 3ly, frame beam 2 also can adopt H shaped steel, is horizontally set at the edge of steel plate shear force wall, be fixedly connected with frame columns 1, hole frame columns 3, and edge is fixed with stiffener 4 formation holes and connects beam 5 at the hole.Stiffener 4 preferred cross-sections are the steel member of " ⊥ " shape, and the hole top edges that is fixed on as shown in the figure combines the formation cross section to connect beam 5 for the hole of " king " font, and surrounds mutually with vertical edges member hole frame columns 3 with original H shaped steel frame beam 2.
In order to prevent that hole frame columns 3 from " in draw " phenomenon taking place, and the hole is connected beam 5 form effective supporting, consider that simultaneously the hole connects beam 5 highly to the effect that reduces of hole frame columns 3 clear height, rigidity should satisfy following formula and requires in the face of hole frame columns 3:
I
c≥0.00307t
wh
hol 4/L
1
In the formula, t
wBe the web thickness of H type hole frame columns 3, L
1Be the distance between hole frame columns 3 and the same side steel plate shear force wall frame columns 1 center line.h
HolBe the height equivlent of hole frame columns 3, h
Hol=h-(h
Link-h
b), h wherein, h
Link, h
bBe respectively floor height, the hole connects the height of beam 5 and frame beam 2.
For the bending rigidity of the company's of control beam 5 unlikely excessive; And avoid the problem with steel plate wall frame beam 2 width difficult coordination; Can with the hole connect beam 5 the bottom flange, be that the edge of a wing breadth of section of stiffener 4 suitably subtracts narrow; Make its flange width, avoid frame columns 3 sectional dimensions in hole excessive less than hole frame columns 3.
The hole connects beam 5 should be designed to the shear yielding type, and avoids directly linking to each other with frame columns, and this moment, its net span a should meet the following formula requirement:
a≤1.6M
lp/V
lp
In the formula, M
LpThe plasticity that connects beam 5 for the hole receives curved bearing capacity, V
LpThe plasticity that connects beam 5 for the hole is cut bearing capacity.
As do not adopt the design of shear yielding type, as a＜2.2M
Lp/ V
LpThe time, each edge of a wing that the hole connects beam 5 all should be satisfied following formula and required:
In the formula, γ
REThe bearing capacity antidetonation that connects beam 5 for the hole is adjusted coefficient, is got 0.75, M
LbFor the hole connects the moment of flexure design load of beam 5, N
LbFor the hole connects the axle power design load of beam 5, h
LbFor the hole connects the beam section height of beam 5, b
fFor the hole connects the flange width of beam 5, t
fThe edge of a wing thickness that connects beam 5 for the hole.
As a>=2.2M
Lp/ V
LpThe time, the edge of a wing that the hole connects beam 5 all should be satisfied following formula and required:
In the formula, γ
REThe bearing capacity antidetonation that connects beam 5 for the hole is adjusted coefficient, gets 0.75, W
lFor the hole connects the bending resistant section coefficient of beam 5, A
LbThe section area that connects beam 5 for the hole.
Under frequently occurred earthquake action effect combination, the hole connects beam 5 and is cut bearing capacity and should satisfy the following formula requirement:
V≤0.9×0.58h
l0t
lf/γ
RE
In the formula, h
L0For the hole connects the web height of beam 5, t
lFor the hole connects the web thickness of beam 5, f is the steel strength design load, γ
REThe bearing capacity antidetonation that connects beam 5 for the hole is adjusted coefficient, gets 0.75.
Under the combination of rarely occurred earthquake action effect, the hole connects the plasticity of beam 5 and is cut bearing capacity V
LpReceive curved bearing capacity M with plasticity
LpConfirm by following formula:
V
Lp=0.58f
yh
L0t
lOr V
Lp=2M
LpThe smaller value of/a.
In the formula, M
Lp=W
Lpf
y, W
LpThe plasticity resistance moment that connects beam 5 for the hole.
The hole connects the free extension b on beam 5 edges of a wing
1With its thickness t
fRatio should meet the following formula requirement:
Wherein f is the steel strength design load, f
yBe the steel yield strength.
The hole connects the web calculated height h of beam 5
0With its thickness t
wRatio should meet the following formula requirement:
When the hole connected beam 5 and is connected with hole frame columns 3, the hole connects between the edge of a wing of the edge of a wing and hole frame columns 3 of beam 5 adopted the butt weld of groove full penetration; The hole connects between web and the hole frame columns 3 of beam 5 adopts fillet weld, and fillet weld intensity should satisfy the following formula requirement:
V
u＝1.3(2M
p/a)
In the formula, V
uFor connecting, the node based on the ultimate strength minimum value receives to cut bearing capacity, M most greatly
pThe overall plastic property in cross section that connects beam 5 for the hole receives curved bearing capacity.
In addition, on the extended line that connect on the beam 5 at the hole, hole frame columns 3 connects beam 5 edges at the hole, frame beam 2 is provided with stiffening rib 6 on the extended line at hole frame columns 3 edges, to strengthen the local stability of frame beam 2.Being positioned at the stiffening rib overall width that the hole connects beam 5 both sides is b
f-2t
l, its thickness is not less than 0.75t
lAnd 10mm, wherein b
fFor the hole connects the flange width of beam, t
lThe web thickness that connects beam for the hole.
Wherein, the stiffening rib 6 that the hole connects beam 5 is more than two, the position is set meets the following conditions:
When the hole connects beam net span a＞2.6M
p/ V
pThe time, at the two ends 1.5b that connects beam 5 apart from the hole
fThe position stiffening rib is set, and the spacing between each stiffening rib 6 is not more than 52t
w-h
0/ 5;
As a≤1.6M
p/ V
p, the spacing of stiffening rib 6 is not more than 30t
w-h
0/ 5;
1.6M
p/ V
p＜a≤2.6M
p/ V
pThe time, the stiffening rib spacing should be between the two above-mentioned, here V
pFor the overall plastic property of beam section is cut bearing capacity.
Stiffening rib 6 should connect beam 5, hole frame columns 3, frame beam 2 at three limits and hole and adopt twin fillet wolts to be connected, and itself and web attachment weld bearing capacity should not be lower than A
StF should not be lower than A with edge of a wing attachment weld bearing capacity
StF/4.Here, A
St=b
StT
St, b
StWith t
StBe respectively the width and the thickness of stiffening rib.
In addition, can connect also that the bottom flange is provided with horizontal lateral support on the two ends of beam 5 at the hole, its power design load should be at least 0.06fb
fT
f, b wherein
f, t
fBe respectively the width and the thickness on the edge of a wing.Horizontal lateral support can adopt small-sized H-shaped steel.
Also horizontal lateral support should be set with hole beam 5 with bottom flange on the frame beam 2 of striding, its power design load should be at least 0.02fb
fT
f, its spacing is not more than
The condition that specifically is provided with of the acquisition methods of above-mentioned each parameter values, structure and adjustment mode all can be with reference to " high-rise civil building steel work tecnical regulations " JGJ99-98, and " seismic design provision in building code " relevant regulations in (GB50011-2010).
The utility model is according to the building function requirement, needs the edge, position of opening holes that hole frame columns 3 is installed at steel plate shear force wall and connects beam 5 with the hole.When having the hole on the steel plate shear force wall, marked change will take place in the fringe conditions of wallboard and stress.The utility model adopts conventional component form that reinforcement is constructed at the hole, and processing and fabricating is simple, and convenient welding is installed.The effect of hole frame columns is that the steel plate wall that the hole weakens is carried out reinforcement, forms new firm vertical border supporting condition, the counter-force that opposing steel plate wall pulling force field forms, and improve the joint construction that the hole connects beam.Steel plate wall between the upper and lower layer of the steel plate wall hole and former frame beam formation hole Lian Liang are enclosed the border at hole with hole vertical edges member, and steel plate wall has been carried out effective reinforcement.Because the hole connects the frame beam of depth of beam greater than former steel plate wall, so have bigger bending resistance, shear-carrying capacity, can reduce the weakening of hole to the steel plate wall lateral rigidity.In order to ensure the lateral stability of structure, the floor place should be provided with horizontal support on the limit, hole, extend into floor inside.
---frame columns 1 with horizontal edge member---the frame beam 2 of during installation, the vertical edges member of steel plate shear force wall being installed at first constitutes the outer rim of steel plate wall, and bean column node is and is rigidly connected.Confirm openings position and hole frame columns 3 be installed to connect beam 5 with the hole.Frame columns 3 and the position that frame beam 2 intersects at the hole should guarantee the continuity of frame beam, and the edge of a wing of hole, intersection frame columns 3 is equivalent to the transverse stiffener of frame beam 2.Embedded steel plate wall between hole frame columns 3 and steel pipe concrete frame post 1, this moment, frame columns 3 employings in hole postponed mounting process, did not change the fundamental mechanism that cylindrical shell bight steel core concrete column transmits gravity load.The hole connect beam 5, hole connect beam stiffening rib 6 can with frame beam 2 installation and processing simultaneously, reduce the field Welding workload.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in the protection domain of the utility model.
Claims (10)
1. the hole structure of a steel plate shear force wall is characterized in that comprising frame columns, frame beam and hole frame columns, wherein:
Frame columns vertically is arranged at the edge of steel plate shear force wall;
The hole frame columns vertically is arranged at the edge, hole;
The frame beam is horizontally set at the edge of steel plate shear force wall, be fixedly connected with frame columns, hole frame columns, and edge is fixed with stiffener formation hole Lian Liang at the hole.
2. the hole structure of steel plate shear force wall according to claim 1 is characterized in that:
Described hole frame columns, frame beam all adopt H shaped steel;
The cross section of stiffener is fixed on the hole top edge for falling " T " font, and forming the cross section with the frame beam is the hole Lian Liang of " king " font.
3. the hole structure of steel plate shear force wall according to claim 2; It is characterized in that described hole connects beam and is provided with two above stiffening ribs; The extended line position at hole frame columns Lian Liang edge at the hole is provided with stiffening rib, and the frame beam is provided with stiffening rib on frame columns edge, hole extended line.
4. the hole structure of steel plate shear force wall according to claim 3 is characterized in that describedly being positioned at the corresponding stiffening rib width in Lian Liang both sides, hole and being b
f-2t
l, thickness is not less than 0.75t
lAnd 10mm, wherein b
fFor the hole connects the flange width of beam, t
lThe web thickness that connects beam for the hole.
5. the hole structure of steel plate shear force wall according to claim 3, when it is characterized in that described hole connects beam and is connected with the hole frame columns, the hole connects between the edge of a wing of the edge of a wing and hole frame columns of beam adopts the butt weld of groove full penetration; The hole connects between web and the hole frame columns of beam adopts fillet weld; Three limits of stiffening rib adopt twin fillet wolt to be connected with hole Lian Liang, hole frame columns, frame beam.
6. the hole structure of steel plate shear force wall according to claim 1 is characterized in that the flange width of the flange width of described stiffener less than the hole frame columns.
7. the hole structure of steel plate shear force wall according to claim 1 is characterized in that described hole connects beam and adopts the design of shear yielding type, its net span a≤1.6M
Lp/ V
Lp, wherein, M
LpFor connecting beam plasticity, the hole receives curved bearing capacity, V
LpFor connecting beam plasticity, the hole cut bearing capacity.
8. the hole structure of steel plate shear force wall according to claim 1 is characterized in that described hole connects the free extension b of flange of beam
1With its thickness t
fRatio meet:
F wherein
yBe the steel yield strength.
9. the hole structure of steel plate shear force wall according to claim 1 is characterized in that described hole connects web height h
0With its thickness t
wRatio meet:
Wherein, N is an axle power design load, and A is the sectional area that the hole connects beam, and f is the steel strength design load, f
yBe the steel yield strength.
10. the hole structure of steel plate shear force wall according to claim 1 is characterized in that bottom flange on the Lian Liang two ends, described hole, connects beam with the hole and be provided with horizontal lateral support with bottom flange on the frame beam of striding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203074009U CN202214853U (en) | 2011-08-22 | 2011-08-22 | Opening structure of steel plate shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203074009U CN202214853U (en) | 2011-08-22 | 2011-08-22 | Opening structure of steel plate shear wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202214853U true CN202214853U (en) | 2012-05-09 |
Family
ID=46014113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203074009U Expired - Lifetime CN202214853U (en) | 2011-08-22 | 2011-08-22 | Opening structure of steel plate shear wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202214853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425249A (en) * | 2011-08-22 | 2012-04-25 | 中国建筑设计研究院 | Cave mouth structure of steel-plate shear wall |
| CN102787650A (en) * | 2012-08-17 | 2012-11-21 | 中国大唐集团环境技术有限公司 | Support with denitration steel structure |
-
2011
- 2011-08-22 CN CN2011203074009U patent/CN202214853U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425249A (en) * | 2011-08-22 | 2012-04-25 | 中国建筑设计研究院 | Cave mouth structure of steel-plate shear wall |
| CN102425249B (en) * | 2011-08-22 | 2014-06-11 | 中国建筑设计研究院 | Cave mouth structure of steel-plate shear wall |
| CN102787650A (en) * | 2012-08-17 | 2012-11-21 | 中国大唐集团环境技术有限公司 | Support with denitration steel structure |
| CN102787650B (en) * | 2012-08-17 | 2015-05-27 | 中国大唐集团环境技术有限公司 | Support with denitration steel structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120509 Effective date of abandoning: 20140611 |
|
| RGAV | Abandon patent right to avoid regrant |