CN1995572A - Steel pipe concrete frame-steel truss-concrete combined cylinder and its manufacture method - Google Patents
Steel pipe concrete frame-steel truss-concrete combined cylinder and its manufacture method Download PDFInfo
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- CN1995572A CN1995572A CN 200610169836 CN200610169836A CN1995572A CN 1995572 A CN1995572 A CN 1995572A CN 200610169836 CN200610169836 CN 200610169836 CN 200610169836 A CN200610169836 A CN 200610169836A CN 1995572 A CN1995572 A CN 1995572A
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Abstract
The invention relates to a composite cylinder with steel tube concrete frame, steel frame and concrete, and the manufacturing method, belonging to a cylinder structure and the manufacturing method. The cylinder comprises frame and shear wall board. Steel bar mesh made by steel bar group in transversal and longitudinal directions is made in shear wall board. Linked rib (11) is set between steel bar meshes. Between two rows of steel bar meshes concealed section steel support (2) and concealed steel bar (9) support are set. Section steel beam (4) is set in frame beam and steel tube concrete frame columns (3) are set in every corners of cylinder. The combination of section steel beam (4), steel tube concrete frame column (3), concealed section steel support (2) and concealed steel bar support (9) is set in shear wall board and steel frame (1) is set in the concrete cylinder. The concealed support can be combined in BA-shape, X or V-shape. The cylinder in invention is provided with large initial rigidity, high load capacity, slow attenuation of load capacity and rigidity, good total aseismic consumed energy behavior.
Description
Technical field
The present invention is a kind of steel pipe concrete frame-steel truss-concrete combined barrel and preparation method, belongs to a kind of tubular construction and preparation method.。
Background technology
In highrise building, the core tube is being born the horizontal earthquake action of structural entity 80% approximately as main lateral resistant member.The good cylindrical shell of development anti-seismic performance is the core technology of highrise building seismic design.How to make in the concrete shaped steel give full play to its effect,, become the problem that Chinese scholars and engineering circle are extremely paid close attention to improve the comprehensive anti-seismic performance of tubular construction.
In the existing scheme of improving the concrete barrel anti-seismic performance, have in the shear wall of steel concrete cylindrical shell, to add the dark technology that supports of reinforcing bar.The problem of its existence is: its oblique dark supporting core partly is concrete, and tension, anti-pressure ability are still not enough.
Also has a kind of technology that steel plate supports that in the shear wall of steel concrete cylindrical shell, adds in the existing scheme of improving the concrete barrel anti-seismic performance.Its existing problems are: the steel plate stress performance than other shaped steel a little less than, tension, anti-pressure ability deficiency, supporting base end portion is prone to local buckling.
In the existing scheme of improving the concrete barrel anti-seismic performance, in the frame of steel concrete cylindrical shell, use steel pipe concrete frame in addition, form the steel pipe concrete frame tubular construction.The problem of its existence is: the reinforced concrete wall panel ductility between the steel pipe concrete frame is relatively poor, the first line of defence as antidetonation has influenced whole shear wall so that the lateral resisting ability of total, shear wall is difficult to realize reliable the connection with steel pipe concrete frame simultaneously, causes this structural system can not give full play to its antidetonation advantage in big earthquake centre.
The patent No. of the applicant's application is that " built-in steel truss concrete combined barrel " patent of ZL200520018266.5 is dual combined barrel, has brought into play the advantage of high-rise steel truss and concrete barrel, has improved the energy dissipation capacity of cylindrical shell.But the concrete in the frame columns of this kind cylindrical shell is constraint not, can not improve concrete bearing capacity of its frame and ductility, simultaneously, frame columns to the effect of contraction of shear wall slab also a little less than.
Summary of the invention
Technical problem to be solved by this invention is the problem that significantly improves steel concrete cylindrical shell shock resistance, in order to address this problem, the present invention proposes a kind of steel pipe concrete frame-steel truss-concrete combined barrel.
The technical solution used in the present invention is: the steel pipe concrete frame-steel truss-concrete combined barrel connects into closed by the quadruple shear wall.Connect by shared steel pipe concrete frame post between the adjacent two sides shear wall.Every shear wall constitutes by steel pipe concrete frame post and shear wall slab, the steel mesh reinforcement that configuration is made up of horizontal and vertical distribution reinforcement in shear wall slab, between steel mesh reinforcement, socket with connecting lacing wire 11, between two placing of reinforcement nets, add and join the dark support 2 of shaped steel, reinforcing bar is dark to support 9, section steel beam 4 is set in the frame beam, the shear wall two ends are provided with rectangle, circle or rectangle and circular combined shaped, it is the steel pipe concrete frame post 3 of table tennis bat tee section, section steel beam 4, steel pipe concrete frame post 3, shaped steel secretly support 2 and support 9 combinations with reinforcing bar is dark, form steel truss 1.
Described steel pipe concrete frame-steel truss-concrete combined barrel, dark support 2 of the shaped steel that installs in the steel mesh reinforcement of each shear wall slab of forming cylindrical shell and the dark support 9 of reinforcing bar are herringbone, its upper end is stretched in the frame beam of top and is connected with section steel beam 4 in the beam, the lower end is stretched in the node of bottom frame beam and steel pipe concrete frame post, be connected simultaneously with section steel beam 4 in steel pipe concrete frame post 3, the bottom frame beam, the section steel beam 4 in dark support 2 of shaped steel and the dark support 9 of reinforcing bar, the frame beam and steel pipe concrete frame post 3 combinations at shear wall two ends form steel truss 1.
Described steel pipe concrete frame-steel truss-concrete combined barrel, dark support 2 of the shaped steel that installs in the steel mesh reinforcement of each shear wall slab of forming cylindrical shell and the dark support 9 of reinforcing bar are X-shaped, its upper end is stretched in the node of top frame beam and frame columns, with steel pipe concrete frame post 3, section steel beam 4 connects simultaneously in the frame beam of top, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post 3, section steel beam 4 connects simultaneously in the frame beam of bottom, dark support 2 of shaped steel and the dark support 9 of reinforcing bar, the steel pipe concrete frame post 3 at shear wall two ends and 4 combinations of the section steel beam in the frame beam form steel truss 1.
Described steel pipe concrete frame-steel truss-concrete combined barrel, dark support 2 of the shaped steel that installs in the steel mesh reinforcement of each shear wall slab of forming cylindrical shell and the dark support 9 of reinforcing bar are splayed, its upper end is stretched in the frame beam of top and is connected with section steel beam 4 in the beam, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post 3, section steel beam 4 connects simultaneously in the frame beam of bottom, dark support 2 of shaped steel and the dark support 9 of reinforcing bar, section steel beam 4 in the frame beam and 3 combinations of the steel pipe concrete frame post at shear wall two ends are at the inner steel truss 1 that forms of concrete shear force wall.
Described steel pipe concrete frame-steel truss-concrete combined barrel, dark support 2 of the shaped steel that installs in the steel mesh reinforcement of each shear wall slab of forming cylindrical shell and the dark support 9 of reinforcing bar are the monocline bar, its upper end is stretched in the node of top frame beam and frame columns, with steel pipe concrete frame post 3, section steel beam 4 connects simultaneously in the frame beam of top, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post 3, section steel beam 4 connects simultaneously in the frame beam of bottom, dark support 2 of shaped steel and the dark support 9 of reinforcing bar, the steel pipe concrete frame post 3 at shear wall two ends and 4 combinations of the section steel beam in the frame beam form steel truss 1.
According to technical scheme of the present invention, adopt the preparation method of steel pipe concrete frame-steel truss-concrete combined barrel, its order is as follows:
1) at the steel pipe that steel pipe concrete frame post 3 is set in four bights, cylindrical shell bottom, the prefabricated units at configuration bean column node place are at steel pipe walls reserving hole or prewelding riser, in order to 5 anchorings of wallboard transverse reinforcement;
2) section steel beam 4 in the making frame beam, section steel beam and steel pipe concrete frame post 3 reliably are rigidly connected;
3) configuration shaped steel is dark supports 2, upper and lower end respectively with the frame beam in section steel beam 4,3 welding of steel pipe concrete frame post;
4) at the vertical muscle 7 of section steel beam 4 outsides configurations frame beam, at the rectangle hoop 8 of vertical muscle 7 outsides even colligation frame beam;
5) outside configuration reinforcement in the dark support 2 of shaped steel secretly supports 9, and evenly stirrup 10 is secretly supported in colligation outside it, with secretly support 2 of shaped steel, steel pipe concrete frame post 3, section steel beam 4 common formation steel trusss 1;
6) transverse reinforcement 5, the vertical reinforcement 6 of shear wall wallboard in the configuration cylindrical shell, transverse reinforcement 5 stretch in the reserving hole of steel pipe concrete frame post 3 or with the prewelding riser welding of steel pipe concrete frame post 3;
7) stay certain protective layer thickness, a template in the shear wall wallboard and the frame beam outside of cylindrical shell;
8) build the interior concrete of steel pipe and the concrete of wallboard and frame beam, be the steel pipe concrete frame-steel truss-concrete combined barrel after the moulding.
Combined barrel of the present invention, be different stress systems---the combination of Steel Space Truss and shear wall, the combination of different materials---steel and steel concrete, the combination of various combination member---concrete filled steel tube and steel reinforced concrete is a kind of triple compound shear wall.The bearing diagonal of the truss that the present invention is built-in partly helps improving the shear-carrying capacity of reinforced concrete wall panel part as the antidetonation the first line of defence, ductility and energy dissipation capacity, also be beneficial to the two Load Redistribution of bearing of shear wall and steel pipe column, a part of pressure transfer that shear wall is born is in steel core concrete column, reduce the ratio of axial compressive force to axial compressive ultimate capacity of section in the shear wall, thereby make thinner that shear wall can design, increase the usable floor area of building.After wallboard destroyed in antidetonation, the trussed construction that bearing diagonal and upper and lower frame beam, steel core concrete column form was a geometrically stable system, and steel truss self can form good force transfer system, thereby kept the resistance to overturning of structure.Bearing diagonal is connected with steel pipe concrete frame, and it is simple to construct, and can be good at guaranteeing that shear wall is connected with the reliable of common steel tube concrete frame.Compare with common steel tube concrete frame shear wall, supporting capacity improves, and bearing capacity and stiffness degradation are slack-off, and the later stage anti-seismic performance is relatively stable, and the bottom shear sliding rupture alleviates.
Combined barrel of the present invention has increased anti-vibration defense lines one than the built-in steel truss concrete combined barrel patent of the applicant application, is triple combined barrel structures, and built-in steel truss coagulation anti-vibration defense lines local soil type to close cylindrical shell be dual combined barrel structure.In the present invention, steel pipe concrete frame strengthens the constraint of concrete panel, can further suppress carrying out of crack in the wallboard; Because creeping of steel core concrete column and reinforced concrete wall is different, make the two Load Redistribution of bearing of shear wall and steel pipe column, soon a part of pressure transfer that shear wall is born in the cylindrical shell is to steel core concrete column, reduced the ratio of axial compressive force to axial compressive ultimate capacity of section of shear wall, can reduce the thickness of shear wall during design, increase the usable floor area of structure, under the suitable situation of steel using amount, can bring bigger economic benefit.
Because tubular construction is the core lateral resisting parts of building structure, has improved the shock resistance of shaped steel shear wall, has also just improved the whole shock resistance of shaped steel shear wall structure, when building meets with violent earthquake, can alleviate its earthquake, prevent that it from collapsing.
Description of drawings
Fig. 1 is the dark schematic diagram that supports when being herringbone of shaped steel in the steel pipe concrete frame-steel truss-concrete combined barrel of the present invention, and wherein A1-B1-C1-D1-A2-B2-C2-D2, A2-B2-C2-D2-A3-B3-C3-D3, A3-B3-C3-D3-A4-B4-C4-D4, A4-B4-C4-D4-A5-B5-C5-D5 represent an element of construction of cylindrical shell respectively.E1-F1-G2, E2-F2-G3, E3-F3-G4 are that the herringbone in a slice shear wall secretly supports;
Fig. 2 is when the dark support of shaped steel is herringbone in the steel pipe concrete frame-steel truss-concrete combined barrel of the present invention, a slice shear wall structure arrangement of reinforcement schematic diagram in the element of construction, and the arrangement of reinforcement schematic diagram of other three sides is identical with this figure;
Fig. 3 is an A-A section enlarged diagram among Fig. 2; (picture in picture number not to)
Fig. 4 is a B-B section enlarged diagram among Fig. 2; (picture in picture number not to)
To be that shaped steel is dark in the built-in steel pipe concrete frame-steel truss-concrete combined barrel of the present invention support when being X-shaped Fig. 5, the arrangement of reinforcement schematic diagram of a slice shear wall in element of construction;
To be that shaped steel is dark in the steel pipe concrete frame-steel truss-concrete combined barrel of the present invention support when being splayed Fig. 6, the structural reinforcement schematic diagram of a slice shear wall in element of construction;
Fig. 7 is when shaped steel secretly is supported for the monocline bar in the steel pipe concrete frame-steel truss-concrete combined barrel of the present invention, the structural reinforcement schematic diagram of a slice shear wall in element of construction;
The explanation of accompanying drawing code name:
The 1-steel truss, 2-shaped steel secretly supports, 3-steel pipe concrete frame post, the 4-section steel beam, 5-wallboard transverse reinforcement, 6-wallboard vertical reinforcement, the vertical muscle of 7-frame beam, the rectangle hoop of 8-frame beam, the 9-reinforcing bar secretly supports, and 10-secretly supports stirrup, the 11-connecting lacing wire.
The specific embodiment
The structural reinforcement schematic diagram of an element of construction of steel pipe concrete frame-steel truss-concrete combined barrel such as Fig. 2, Fig. 3 and shown in Figure 4.Unreinforced in the steel pipe concrete frame post 3; Shear wall frame beam is the vertical muscle 7 of section steel beam 4 peripheral disposition, along the vertical muscle 7 of beam equably colligation rectangle hoop 8, the rectangle hoop 8 of frame beam is evenly distributed to beam-ends; The arrangement of reinforcement of shear wall slab is: the both sides in the panel width direction are vertically arranged shear wall slab transverse reinforcement 5 and vertical reinforcement 6 respectively equably along laterally reaching, and in the crosspoint colligation is fixed, form two steel mesh reinforcements, anchoring in steel core concrete column (the sidewall punching of post) and the frame beam is inserted at the two ends of transverse reinforcement 5 and vertical reinforcement 6 respectively; The connecting lacing wire 11 that is less than or equal to 600mm with spacing between two steel mesh reinforcements of shear wall links to each other.Dark four reinforcing bars of 2 outer layouts that support of shaped steel support 9 as reinforcing bar is dark, and reinforcing bar secretly supports the 9 outer stirrups 10 that evenly installing.The dark support 2 of shaped steel is stretched into top frame beam with the dark support of reinforcing bar 9 upper ends and is connected with section steel beam 4 in the beam, its lower end is stretched in the node of steel pipe concrete frame post and bottom frame beam, be connected with section steel beam 4 in steel pipe concrete frame post 3, the bottom frame beam, form built-in steel truss 1.With frame columns, frame beam and the moulding of shear wall slab one piece disturbing concrete, promptly constitute the steel pipe concrete frame-steel truss-concrete combined barrel at last.
Preparation method:
1. make 3 steel pipes of steel pipe concrete frame post, establish dividing plate in bean column node place steel pipe, the short girder steel of post outside weld is at the steel pipe walls reserving hole, in order to the transverse reinforcement 5 of plate through walls;
2. make the section steel beam 4 in the frame beam, the edge of a wing welding of the default short girder steel in the edge of a wing of section steel beam and post limit, the web of girder steel is connected with double plate high-strength bolt friction-type with the web of short girder steel;
3. configuration shaped steel is dark supports 2, upper and lower end respectively with the frame beam in section steel beam 4,3 welding of steel pipe concrete frame post;
4. dispose the vertical muscle 7 of frame beam in section steel beam 4 outsides, at the rectangle hoop 8 of vertical muscle 7 outsides even colligation frame beam;
5. the outside configuration reinforcement in the dark support 2 of shaped steel secretly supports 9, and evenly stirrup 10 is secretly supported in colligation outside it, with secretly support 2 of shaped steel, steel pipe concrete frame post 3, section steel beam 4 common formation steel trusss 1;
6. shear wall slab transverse reinforcement and vertical reinforcement 5,6 in the configuration cylindrical shell, transverse reinforcement stretches in the reserving hole of steel pipe concrete frame post 3;
7. stay certain protective layer thickness, a template in the shear wall wallboard and the frame beam outside of cylindrical shell;
8. build the interior concrete of steel pipe and the concrete of wallboard and frame beam, be the steel pipe concrete frame-steel truss-concrete combined barrel after the moulding.
Second kind of form of structure of steel pipe concrete frame-steel truss-concrete combined barrel as shown in Figure 5, be that dark support 2 of X-shaped shaped steel and the dark support 9 of reinforcing bar are set in two steel mesh reinforcement inboards of shear wall slab, its upper end is stretched in the node of frame columns and top frame beam, is connected with section steel beam 4 in steel pipe concrete frame post 3, the top frame beam.The lower end is stretched in the node of frame columns and bottom frame beam, is connected with section steel beam 4 in steel pipe concrete frame post 3, the bottom frame beam.Others are identical with first kind of form.
The third form of structure of steel pipe concrete frame-steel truss-concrete combined barrel as shown in Figure 6, be that dark support 2 of splayed shaped steel and the dark support 9 of reinforcing bar are set in two steel mesh reinforcement inboards of shear wall slab, its upper end is stretched into top frame beam and is connected with section steel beam 4 in the beam, its lower end is stretched in the node of frame columns and bottom frame beam, is connected with section steel beam 4 in steel pipe concrete frame post 3, the bottom frame beam.Others are identical with first kind of form.
The 4th kind of form of structure of steel pipe concrete frame-steel truss-concrete combined barrel as shown in Figure 7, be that two steel mesh reinforcement inboards of shear wall slab are provided with that shaped steel is dark to support 2 and reinforcing bar is dark supports 9 and be the monocline rod type in cylindrical shell, its upper end is stretched into top frame beam and is connected with section steel beam 4 in the beam, its lower end is stretched in the node of frame columns and bottom frame beam, is connected with section steel beam 4 in steel pipe concrete frame post 3, the bottom frame beam.Others are identical with first kind of form.
Claims (6)
1. the steel pipe concrete frame-steel truss-concrete combined barrel connects into closed by the quadruple shear wall, is connected by shared steel pipe concrete frame post between the adjacent two sides shear wall; Every shear wall constitutes by steel pipe concrete frame post and shear wall slab, the steel mesh reinforcement that configuration is made up of horizontal and vertical distribution reinforcement in shear wall slab, between steel mesh reinforcement, socket with connecting lacing wire (11), between two placing of reinforcement nets, add and join shaped steel and secretly support (2), reinforcing bar secretly supports (9), it is characterized in that: section steel beam (4) is set in the frame beam, the shear wall two ends are provided with rectangle, the steel pipe concrete frame post (3) of circle or rectangle and circular combination shaped cross, section steel beam (4), steel pipe concrete frame post (3), shaped steel secretly supports (2) and secretly supports (9) combination with reinforcing bar, forms steel truss (1).
2. steel pipe concrete frame-steel truss-concrete combined barrel according to claim 1, it is characterized in that: the shaped steel that installs in forming each face shear wall slab steel mesh reinforcement of cylindrical shell secretly supports (2) and reinforcing bar secretly supports (9) and is herringbone, its upper end is stretched in the frame beam of top and is connected with section steel beam (4) in the beam, the lower end is stretched in the node of bottom frame beam and steel pipe concrete frame post, with steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of bottom, shaped steel secretly supports (2) and reinforcing bar secretly supports (9), steel pipe concrete frame post (3) combination at section steel beam in the frame beam (4) and shear wall two ends forms steel truss (1).
3. steel pipe concrete frame-steel truss-concrete combined barrel according to claim 1, it is characterized in that: the shaped steel that installs in forming each face shear wall slab steel mesh reinforcement of cylindrical shell secretly supports (2) and reinforcing bar secretly supports (9) and is X-shaped, its upper end is stretched in the node of top frame beam and frame columns, with steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of top, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of bottom, shaped steel secretly supports (2) and reinforcing bar secretly supports (9), the steel pipe concrete frame post (3) at shear wall two ends and the combination of the section steel beam (4) in the frame beam form steel truss (1).
4. steel pipe concrete frame-steel truss-concrete combined barrel according to claim 1, it is characterized in that: the shaped steel that installs in forming each face shear wall slab steel mesh reinforcement of cylindrical shell secretly supports (2) and reinforcing bar secretly supports (9) and is splayed, its upper end is stretched in the frame beam of top and is connected with section steel beam (4) in the beam, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of bottom, shaped steel secretly supports (2) and reinforcing bar secretly supports (9), steel pipe concrete frame post (3) combination at section steel beam in the frame beam (4) and shear wall two ends is at the inner steel truss (1) that forms of concrete shear force wall.
5. steel pipe concrete frame-steel truss-concrete combined barrel according to claim 1, it is characterized in that: the shaped steel that installs in forming each face shear wall slab steel mesh reinforcement of cylindrical shell secretly supports (2) and reinforcing bar secretly to support (9) be the monocline bar, its upper end is stretched in the node of top frame beam and frame columns, with steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of top, the lower end is stretched in the node of bottom frame beam and frame columns and steel pipe concrete frame post (3), section steel beam (4) connects simultaneously in the frame beam of bottom, shaped steel secretly supports (2) and reinforcing bar secretly supports (9), the steel pipe concrete frame post (3) at shear wall two ends and the combination of the section steel beam (4) in the frame beam form steel truss (1).
6. the preparation method of steel pipe concrete frame-steel truss-concrete combined barrel is characterized in that:
1) steel pipe of making steel pipe concrete frame post (3), the prefabricated units at configuration bean column node place are at steel pipe walls reserving hole or prewelding riser, in order to wallboard transverse reinforcement (5) anchoring;
2) section steel beam (4) in the making frame beam, section steel beam and steel pipe concrete frame post (3) reliably are rigidly connected;
3) configuration shaped steel secretly supports (2), upper and lower end respectively with the frame beam in the welding of section steel beam (4), steel pipe concrete frame post (3);
4) at the vertical muscle (7) of section steel beam (4) outside configuration frame beam, indulging the evenly rectangle hoop (8) of colligation frame beam of muscle (7) outside;
5) outside configuration reinforcement that secretly supports (2) at shaped steel secretly supports (9), and evenly stirrup (10) is secretly supported in colligation in its outside, secretly supports (2), steel pipe concrete frame post (3) with shaped steel, section steel beam (4) constitutes steel truss (1) jointly;
6) shear wall wallboard transverse reinforcement (5), the vertical reinforcement (6) of configuration cylindrical shell, transverse reinforcement (5) stretch in the reserving hole of steel pipe concrete frame post (3) or with the prewelding riser welding of steel pipe concrete frame post (3);
7) stay certain protective layer thickness, a template at the shear wall wallboard and the frame beam outside;
8) build the interior concrete of steel pipe and the concrete of wallboard and frame beam, be the steel pipe concrete frame-steel truss-concrete combined barrel after the moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610169836 CN1995572A (en) | 2006-12-29 | 2006-12-29 | Steel pipe concrete frame-steel truss-concrete combined cylinder and its manufacture method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610169836 CN1995572A (en) | 2006-12-29 | 2006-12-29 | Steel pipe concrete frame-steel truss-concrete combined cylinder and its manufacture method |
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| CN1995572A true CN1995572A (en) | 2007-07-11 |
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| CN 200610169836 Pending CN1995572A (en) | 2006-12-29 | 2006-12-29 | Steel pipe concrete frame-steel truss-concrete combined cylinder and its manufacture method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704596A (en) * | 2012-05-25 | 2012-10-03 | 北京工业大学 | Combined shear wall with concrete wrapped steel plate dense beam embedded between profile steel overlapped columns and externally wrapping concrete and manufacturing method |
| CN103321422A (en) * | 2013-07-05 | 2013-09-25 | 十九冶成都建设有限公司 | Anti-cracking method for concrete protective layer |
| CN103437458A (en) * | 2013-09-06 | 2013-12-11 | 南京工业大学 | Precast concrete double-plate shear wall with built-in oblique supports and construction method thereof |
| CN112123564A (en) * | 2020-08-25 | 2020-12-25 | 中交第二航务工程局有限公司 | Manufacturing method of steel bar part for segmental assembling concrete box girder |
-
2006
- 2006-12-29 CN CN 200610169836 patent/CN1995572A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704596A (en) * | 2012-05-25 | 2012-10-03 | 北京工业大学 | Combined shear wall with concrete wrapped steel plate dense beam embedded between profile steel overlapped columns and externally wrapping concrete and manufacturing method |
| CN103321422A (en) * | 2013-07-05 | 2013-09-25 | 十九冶成都建设有限公司 | Anti-cracking method for concrete protective layer |
| CN103321422B (en) * | 2013-07-05 | 2015-06-17 | 十九冶成都建设有限公司 | Anti-cracking method for concrete protective layer |
| CN103437458A (en) * | 2013-09-06 | 2013-12-11 | 南京工业大学 | Precast concrete double-plate shear wall with built-in oblique supports and construction method thereof |
| CN112123564A (en) * | 2020-08-25 | 2020-12-25 | 中交第二航务工程局有限公司 | Manufacturing method of steel bar part for segmental assembling concrete box girder |
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Open date: 20070711 |