CN205000463U - Long cantilever disjunctor structure of large -span - Google Patents
Long cantilever disjunctor structure of large -span Download PDFInfo
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- CN205000463U CN205000463U CN201520286657.9U CN201520286657U CN205000463U CN 205000463 U CN205000463 U CN 205000463U CN 201520286657 U CN201520286657 U CN 201520286657U CN 205000463 U CN205000463 U CN 205000463U
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Abstract
The utility model relates to a long cantilever disjunctor structure of large -span, its structure planar arrangement is the rectangle at standard layer, divide into two towers below the standard layer, and wherein, a tower is the barrel, and it is regional with long cantilever floor to support the large -span floor respectively in its left and right sides, and all is less than upper portion floor width in the every side of barrel width direction to narrow facade molding under extending on tower width direction forms, wherein, large -span floor region by end bay steel truss, well span steel truss, steel framework set a roof beam in place, steel secondary beam, steel column and steel bar truss building carrier plate form, long cantilever floor region by end bay steel truss, well span steel truss, steel framework set a roof beam in place, steel secondary beam, steel column, floor bracing and steel bar truss building carrier plate form, through setting a roof beam in place and the steel secondary beam at the equidistant steel framework that sets up of floor department, forms superstructure support system, the superstructure adopts steel bar truss building carrier plate, has solved the technical problem of facade molding for narrow disjunctor structure under the last width, is applicable to multilayer, high -rise building, has very strong commonality and application scope.
Description
Technical field
The utility model relates to a kind of for the novel conjoined structure in multilayer, highrise building, and particularly a kind of large span long cantilever conjoined structure, belongs to the innovative technology in large span, long cantilever field.
Background technology
In large-and-medium size cities, highrise building often limits by many factors such as urban planning, site condition, building function, floor area ratio, limit for height, fire-fighting, ventilation and lightings, is objectively providing objective condition for elevation of building various shapes.Corresponding, constantly bringing forth new ideas as miscellaneous architectural image provides technical support of new structural systen.When building is divided into two high buildings in bottom, and there is comparatively large span between two high buildings, be connected as a single entity at typical floor 2 floors, and there is long encorbelmenting in high building side, cause corresponding structural system to form large span and long cantilever conjoined structure.The common high building landed is not less than upper floor floor width at width, make the steel truss connecting large span floor and long cantilever floor area directly can be supported on lower floor at side supports place, can accomplish that power transmission is direct, simple structure, this type of structural system is one of current comparatively common conjoined structure scheme.In recent years, along with architectural image variation day by day and complicated, may be there is being less than the situation of upper floor width in the high building that lands below disjunctor floor, this certainly will cause the design experiences in the past solving large span and long cantilever scheme to be not easy to directly apply to this new situation at floor width.Namely land the situation that wall column supports as it large span and support position corresponding to long cantilever floor are directly not corresponding, existing technology and engineering experience are still not enough to properly settle this problem.
Summary of the invention
When the purpose of this utility model is to there is large span and long cantilever floor for multilayer, highrise building, when top disjunctor floor width be greater than bottom land floor width time, design a kind of large span long cantilever conjoined structure, the utility model guarantees that top large span and long cantilever floor can arrange secure support point at rational position, guarantees feasibility and the reasonability of structural system.
The technical solution of the utility model is: large span long cantilever conjoined structure of the present utility model, it is rectangle that its structural plan is arranged in typical floor, two high buildings are divided into below typical floor, wherein, a high building is cylindrical shell, support large span floor area and long cantilever floor area in its left and right sides respectively, and be all less than upper floor width in the every side of cylindrical shell width, thus form Facade form wide at the top and narrow at the bottom at high building width, wherein, large span floor area is made up of end bay steel truss, middle span steel truss, steel-frame beam, steel secondary beam, steel column and steel bar truss floor support plate, long cantilever floor area is by end bay steel truss, middle span steel truss, steel-frame beam, steel secondary beam, steel column, flooring diagonal brace and steel bar truss floor support plate composition, the opposite side high building supporting large span floor area includes reinforced concrete shear wall, profile steel concrete column, girder with rolled steel section en cased in concrete, reinforced concrete post, reinforced concrete beam and reinforced concrete floor, upper floor includes steel-frame beam, steel secondary beam, steel column and steel bar truss floor support plate, the both sides of end bay steel truss and middle span steel truss are supported on profile steel concrete column and cylindrical shell all respectively, steel-frame beam, steel secondary beam, flooring diagonal brace is supported on end bay steel truss, middle span steel truss, on steel column, form the support system of superstructure, steel bar truss floor support plate is arranged at end bay steel truss, middle span steel truss, steel-frame beam, steel secondary beam, on flooring diagonal brace, end bay steel truss and middle span steel truss play the effect supporting upper floor, reinforced concrete shear wall, profile steel concrete column, reinforced concrete post is as vertical member, and according to demand that is stressed and structure, play the supporting role to floor, reinforced concrete beam and reinforced concrete floor are supported on reinforced concrete shear wall, reinforced concrete post, in profile steel concrete column.
Above-mentioned end bay steel truss is within the scope of cylindrical shell, and the supporting steel truss extended by cylindrical shell provides support a little.
Above-mentioned middle span steel truss forms by upper chord, lower chord, diagonal web member and steel column in large span floor area and long cantilever floor area, wherein upper chord, lower chord are in the side of barrel support, all overlap with the dark beam of steel reinforced concrete arranged in cylindrical shell or coupling beam center line, and through setting.The opposite side that upper chord, lower chord support in profile steel concrete column, all to high building extend 1 ~ 2 across, be converted into girder with rolled steel section en cased in concrete, the wall column intersected with it is the shear wall of profile steel concrete column and band shaped steel sleeper.
Above-mentioned upper chord, lower chord in large span floor area and the through setting of long cantilever floor area, and are connected as a single entity with the dark beam of steel reinforced concrete that arranges in cylindrical shell or coupling beam.
Above-mentioned be arranged in long cantilever floor area end bay steel truss, span steel truss is at upper chord, lower chord place floor, superstructure support system is formed by steel frame, steel secondary beam, and the flooring diagonal brace of right-angled intersection must be set up, supporting steel truss is at supporting steel truss upper chord, supporting steel truss lower chord place floor, between 2 Pin supporting steel truss, set up herringbone flooring diagonal brace in flooring position.
Above-mentioned supporting steel truss is made up of supporting steel truss upper chord, supporting steel truss lower chord, oblique drawbar, supporting steel truss diagonal brace, the dark beam of steel reinforced concrete, shaped steel sleeper, steel column, wherein, supporting steel truss diagonal brace upper end and steel column, oblique drawbar, the junction of supporting steel truss lower chord, supporting steel truss diagonal brace lower end is crossing with the dark beam of the steel reinforced concrete pre-buried at floor place, common composition stress system, steel column and steel-frame beam form typical floor support system.
Above-mentioned cylindrical shell plane form is rectangle, utilize staircase, escalator partition wall and exterior wall, form the steel concrete cylindrical shell that four bandings close, cylindrical shell arranges shaped steel sleeper at corner location, and the dark beam of steel reinforced concrete is set at floor position, the two forms the steel structure framework of cylindrical shell, and cylindrical shell sets up wall limb in the middle cross-location of layout, require that wall limb overlaps with upper chord, lower chord center line, using as the bearing of middle span steel truss in large span and long cantilever region; Meanwhile, perpendicular to large span and long cantilever direction, end bay wall pedipalpus overlaps with 2 Pin supporting steel truss center lines, using the bearing as supporting steel truss respectively.
The node of above-mentioned long cantilever floor area steel truss upper chord and cylindrical shell intersection is formed by shaped steel sleeper, upper chord, the dark beam of steel reinforced concrete, diagonal web member junction, and arranges sleeper at the root position of the dark beam of steel reinforced concrete, steel truss upper chord and indulge muscle junction plate and sleeper indulges muscle branch sleeve; At the root position that upper chord and cylindrical shell join, set up additional fin listrium and additional stiffening rib in the top side location of upper chord.
Above-mentioned cantilever region steel truss lower chord and cylindrical shell intersection node are formed by shaped steel sleeper, lower chord, the dark beam of steel reinforced concrete, diagonal web member junction; and sleeper is set at the root position of the dark beam of steel reinforced concrete, steel truss lower chord indulges muscle junction plate and sleeper indulges muscle branch sleeve; at the root position that lower chord and cylindrical shell join, set up additional fin listrium and additional stiffening rib at the basal surface position of lower chord; Above-mentioned steel bar truss floor support plate system is made up of steel bar girder, steel plate, and at the top of steel-frame beam, steel secondary beam along span direction spaced set peg, steel bar girder, steel plate are synchronously installed, simultaneously, steel plate is double does template, after concreting, forms steel bar truss floor support plate.
The utility model provides a kind of solution, particularly top large span floor area of large span long cantilever conjoined structure and long cantilever floor area width to be greater than bottom to land the situation of floor width.Propose to utilize staircase, escalator partition wall and exterior wall landing floor, form the cylindrical shell be made up of reinforced concrete shear wall that four bandings close, cylindrical shell must layout placed in the middle, and its width should not be less than 60% of upper floor overall width.The steel truss of through large span and long cantilever floor area is set at end bay and middle span respectively.Wherein, end bay steel truss is within the scope of cylindrical shell, and the supporting steel truss extended by cylindrical shell provides support a little.The upper chord of end bay steel truss and middle span steel truss, lower chord in large span floor area and the through setting of long cantilever floor area, and are connected as a single entity with the dark beam of steel reinforced concrete that arranges in cylindrical shell or coupling beam.Upper floor is made up of steel column, steel-frame beam, steel secondary beam and steel bar truss floor support plate.The utility model compared with the prior art, has following beneficial effect:
1) under the prerequisite meeting elevation of building moulding and using function, guarantee that structural system is safe and reliable, structure rationally, meets anti-seismic performance requirement.
2) take into full account the feasibility of construction and concrete construction technology process from design angle, hold surely detailed construction sequence in advance, reduce difficulty of construction, guarantee workmanship.
3) utilize the mechanical property of steel, concrete bi-material, adopt steel work in large span and long cantilever region, other regions adopt reinforced concrete structure, accomplish economical rationality, make the best use of everything.
4) steel beam column section all adopts steel flanged beam I-shaped, guarantees that the connection of node is simple and reliable, reduces steel beam column welding difficulty, and guarantees that concreting is closely knit.
The utility model is applicable to multilayer, highrise building, is specially adapted to elevation of building moulding wide at the top and narrow at the bottom, and has the object of construction production of large span and long cantilever, has the wide scope of application and development space.
Accompanying drawing explanation
Fig. 1 is the layout schematic diagram of the utility model typical case floor structure;
Fig. 2 is the longitudinal profile schematic diagram of span in the utility model embodiment 1 structural system;
Fig. 3 is the horizontal section schematic diagram of the utility model embodiment 1 structural system in cylindrical shell position;
Fig. 4 is the layout schematic diagram of the utility model embodiment 1 cylindrical shell plane;
Fig. 5 is the schematic diagram of the utility model embodiment 1 cantilever region steel truss upper chord and cylindrical shell intersection node;
Fig. 6 is the schematic diagram of the utility model embodiment 1 cantilever region steel truss lower chord and cylindrical shell intersection node;
Fig. 7 is the schematic diagram of the utility model embodiment 1 steel bar truss floor support plate;
Fig. 8 is the layout plan that the utility model embodiment is applied to the typical floor structure of Practical Project.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
A kind of large span long cantilever combination construction of the present utility model, as shown in Figure 1.It is rectangle that its structural plan is arranged in typical floor, is divided into two high buildings below typical floor, and wherein, a high building is cylindrical shell 4, supports top large span floor area and long cantilever floor area in its left and right sides respectively.Wherein, large span floor area is made up of end bay steel truss 1, middle span steel truss 2, steel-frame beam 7, steel secondary beam 8, steel column 9 and steel bar truss floor support plate 33; Long cantilever floor area is made up of end bay steel truss 1, middle span steel truss 2, steel-frame beam 7, steel secondary beam 8, steel column 9, flooring diagonal brace 12 and steel bar truss floor support plate 33.
Above-mentioned cylindrical shell 4 must be arranged between two parties, and is all less than upper floor width in the every side of the width of cylindrical shell 4, thus forms Facade form wide at the top and narrow at the bottom at high building width, and its width should not be less than 60% of upper floor overall width.Opposite side high building is frame-shear-wall structure, is made up of reinforced concrete shear wall 5, profile steel concrete column 6, girder with rolled steel section en cased in concrete 10, reinforced concrete post 30, reinforced concrete beam 11 and reinforced concrete floor 32.
Respectively the end bay steel truss 1 of through large span floor area and long cantilever floor area, middle span steel truss 2 are set at end bay and middle span.Wherein, end bay steel truss 1 is within the scope of cylindrical shell 4, and the supporting steel truss 3 extended by cylindrical shell 4 provides support a little.The upper chord 14 of end bay steel truss 1 and middle span steel truss 2, lower chord 15 are in large span floor area and the through setting of long cantilever floor area.The dark beam of steel reinforced concrete arranged in middle span steel truss 2 and cylindrical shell 4 or coupling beam 13 are connected as a single entity.
Upper floor is made up of steel column 9, steel-frame beam 7, steel secondary beam 8 and steel bar truss floor support plate 33.Be arranged in the end bay steel truss 1 of long cantilever floor area, span steel truss 2 at upper chord 14, lower chord 15 place floor, form superstructure support system by steel frame 7, steel secondary beam 8, and the flooring diagonal brace 12 of right-angled intersection must be set up.Supporting steel truss 3, at supporting steel truss upper chord 17, supporting steel truss lower chord 18 place floor, between 2 Pin supporting steel truss 3, sets up herringbone flooring diagonal brace 12 in flooring position.
Fig. 2 is span longitudinal profile schematic diagram in structural system.Wherein, middle span steel truss 2 forms by upper chord 14, lower chord 15, diagonal web member 16 and steel column 9 in large span floor area and long cantilever floor area.Wherein, upper chord 14, lower chord 15, in the side that is connected with cylindrical shell 4, overlap with the dark beam of steel reinforced concrete arranged in cylindrical shell 4 or coupling beam 13 center line, and through setting.Upper chord 14, lower chord 15 are supported in profile steel concrete column 6 at opposite side, and all to land high building extend 1 ~ 2 across, be converted into girder with rolled steel section en cased in concrete 10, the wall column intersected with it is the shear wall 5 of profile steel concrete column 6 and band shaped steel sleeper 21.
Fig. 3 is the horizontal section schematic diagram of structural system in cylindrical shell 4 position.Wherein, supporting steel truss 3 is made up of supporting steel truss upper chord 17, supporting steel truss lower chord 18, oblique drawbar 19, supporting steel truss diagonal brace 20, the dark beam 13 of steel reinforced concrete, shaped steel sleeper 21, steel column 9.Wherein, supporting steel truss diagonal brace 20 upper end and steel column 9, oblique drawbar 19, supporting steel truss lower chord 18 junction, supporting steel truss diagonal brace 20 lower end is crossing with the steel reinforced concrete pre-buried at floor place dark beam 13, jointly forms stress system.
Fig. 4 is that schematic diagram arranged by cylindrical shell plane detail drawing.Cylindrical shell 4 plane form is rectangle, is to utilize staircase, escalator partition wall and exterior wall, forms the steel concrete cylindrical shell 4 that four bandings close.Cylindrical shell 4 arranges shaped steel sleeper 21 at corner location, and arranges the dark beam 13 of steel reinforced concrete at floor position, and the two forms the steel structure framework of cylindrical shell 4.Cylindrical shell 4 sets up wall limb 26 in the middle cross-location of layout, requires that wall limb 26 overlaps with upper chord 14, lower chord 15 center line, using as the bearing of middle span steel truss 2 in large span floor area and long cantilever floor area.Meanwhile, in the direction perpendicular to large span floor area and long cantilever floor area, end bay wall limb 30 must overlap with 2 Pin supporting steel truss 3 center lines, using the bearing as supporting steel truss 3 respectively.
Fig. 5 is cantilever region steel truss upper chord and cylindrical shell intersection node schematic diagram.This node is formed by shaped steel sleeper 21, upper chord 14, the dark beam 13 of steel reinforced concrete, diagonal web member 16 junction, and arranges sleeper at the root position of the dark beam 13 of steel reinforced concrete, steel truss upper chord 14 and indulge muscle junction plate 24 and sleeper indulges muscle branch sleeve 25.At the root position that upper chord 14 and cylindrical shell 4 join, according to force analysis result, additional fin listrium 22 and additional stiffening rib 23 can be set up in the top side location of upper chord 14.
Fig. 6 is cantilever region steel truss lower chord and cylindrical shell intersection node schematic diagram.This node is formed by shaped steel sleeper 21, lower chord 15, the dark beam 13 of steel reinforced concrete, diagonal web member 16 junction, and arranges sleeper at the root position of the dark beam 13 of steel reinforced concrete, steel truss lower chord 15 and indulge muscle junction plate 24 and sleeper indulges muscle branch sleeve 25.At the root position that lower chord 15 and cylindrical shell 4 join, according to force analysis result, additional fin listrium 22 and additional stiffening rib 23 can be set up at the basal surface position of lower chord 15.
Fig. 7 is steel bar truss floor support plate detail drawing schematic diagram.Steel bar truss floor support plate 33 is made up of steel bar girder 27, steel plate 29, and at the top of steel-frame beam 7, steel secondary beam 8 along span direction spaced set peg 28.Steel bar girder 27, steel plate 29 are synchronously installed, and meanwhile, steel plate 29 is double does template, after concreting, form steel bar truss floor support plate 33.
Fig. 8 is the typical floor structural plan arrangement diagram of Practical Project, and the utility model is applied in certain Practical Project, seismic fortification intensity 7 degree, classification of design earthquake first group, site category II class.2 layers, this engineering underground, 8 layers on the ground, superstructure main body overall height 35.65m, structural system adopts steel reinforced concrete frame shear wall large span long cantilever disjunctor combination construction.Two structural plans are arranged identical, lay respectively at the diagonal position in place, arrange in antisymmetry.Floor height is as follows: 1 layer of 5.25m; 2 ~ roofing layer is 4.5m.1 ~ 4 layer is divided into two high buildings, and the high building being positioned at left side is frame-shear-wall structure, and right side is the steel concrete cylindrical shell 4 of band shaped steel sleeper, arranges between two parties, and this cylindrical shell 4 is from less than 5 layers logical high settings.More than 5 layers and 5 layers, be connected as a single entity by two high buildings, and there is long cantilever floor area on the right side of cylindrical shell 4, wherein, large span is of a size of 32.6m, and long cantilever maximum size is 21.3m.More than 5 layers floor width are 19.95m, and cylindrical shell 4 width is 11.95m, moves back 4m in every side is each, and cylindrical shell 4 width is 60% of high building width.
Arrange span steel truss 2 in 2 road end bay steel truss 1 and 1 roads respectively in large span and long cantilever floor area, end bay steel truss 1, middle span steel truss 2 are all along the through setting of large span and long cantilever direction.Wherein, end bay steel truss 1, middle span steel truss 2 Left-side support in profile steel concrete column 6, and upper chord 14, lower chord 15 extend all to the left 1 ~ 2 across, its section form is converted into girder with rolled steel section en cased in concrete 10.Frame column corresponding in the region arranging girder with rolled steel section en cased in concrete 10 is profile steel concrete column 6 or arranges the shear wall 5 of shaped steel sleeper 21, is not reinforced concrete post 30 and reinforced concrete beam 11 at the frame part of this scope.Profile steel concrete column 6 built-in profile steel section form is that steel flanged beam is I-shaped, and its strong direction of principal axis is consistent with large span direction.
End bay steel truss 1 is being positioned within cylindrical shell 4 scope, and the supporting steel truss 3 extended by cylindrical shell 4 provides support a little.The upper chord 14 of end bay steel truss 1 and middle span steel truss 2, lower chord 15 in large span floor area and the through setting of long cantilever floor area, and are connected as a single entity with the dark beam of steel reinforced concrete that arranges in cylindrical shell 4 or coupling beam 13.Upper floor is made up of steel column 9, steel-frame beam 7, steel secondary beam 8 and steel bar truss floor support plate 33.
Floor more than 5 layers and 5 layers, by floor place spaced set steel-frame beam 7 and steel secondary beam 8, forms superstructure support system.Profile steel concrete column 6 and cylindrical shell 4 pairs of end bay steel trusss 1, middle span steel truss 2, supporting steel truss 3 provide support a little.
Be arranged in the end bay steel truss 1 in long cantilever region, span steel truss 2 at upper chord 14, lower chord 15 place floor, form superstructure support system by floor steel framework 7, steel secondary beam 8, and the flooring diagonal brace 12 of right-angled intersection must be set up.Supporting steel truss 3, at supporting steel truss upper chord 17, supporting steel truss lower chord 18 place floor, between 2 Pin supporting steel truss 3, sets up herringbone flooring diagonal brace 12 in flooring position.
Based on the needs of horizontal planning of building and building function, on the basis of the long cantilever floor area formed by end bay steel truss 1, middle span steel truss 2, set up again part and to have encorbelmented region.Therefore according to structural plan arrangement diagram, set up cantilever steel girder 31, root position of encorbelmenting is for just to connect.
The utility model takes into full account building merit, Facade form, and the multiple demand of large span and long cantilever, by fully coordinating with architectural discipline, determines plan-position and the minimum dimension requirement of cylindrical shell 4.Simultaneously, utilize story height that end bay steel truss 1, middle span steel truss 2 and supporting steel truss 3 are set, specify force path and construction measure, guarantee the reasonability of structural system, and take into full account feasibility and the construction process requirement of construction, accomplish the harmonious of building function and structural system reasonable stress.In addition, the shaped steel section form in wall column is selected to make every effort to simple, is also at utmost simplify joint structure, constructability, the principle of ensuring the quality of products.The utility model is applicable to there is large space requirement to bottom, and needs to arrange comparatively Long-span Cantilever in upper floor, particularly when land the width of high building be less than top disjunctor floor width time situation, there is larger generality and applicability.
Above-mentioned embodiment cited by the utility model example; but due to the change of building function and Facade form; corresponding structural system also can do suitable change; unless caused structural system to change exceed scope of the present utility model, otherwise all should be included within protection domain of the present utility model.
Claims (9)
1. a large span long cantilever conjoined structure, it is characterized in that its structural plan is arranged in typical floor is rectangle, two high buildings are divided into below typical floor, wherein, a high building is cylindrical shell (4), support large span floor area and long cantilever floor area in its left and right sides respectively, and be all less than upper floor width in the every side of cylindrical shell (4) width, thus form Facade form wide at the top and narrow at the bottom at high building width, wherein, large span floor area is made up of end bay steel truss (1), middle span steel truss (2), steel-frame beam (7), steel secondary beam (8), steel column (9) and steel bar truss floor support plate (33), long cantilever floor area is by end bay steel truss (1), middle span steel truss (2), steel-frame beam (7), steel secondary beam (8), steel column (9), flooring diagonal brace (12) and steel bar truss floor support plate (33) composition, the opposite side high building supporting large span floor area includes reinforced concrete shear wall (5), profile steel concrete column (6), girder with rolled steel section en cased in concrete (10), reinforced concrete post (30), reinforced concrete beam (11) and reinforced concrete floor (32), upper floor includes steel-frame beam (7), steel secondary beam (8), steel column (9) and steel bar truss floor support plate (33), the both sides of end bay steel truss (1) and middle span steel truss (2) are supported on profile steel concrete column (6) and cylindrical shell (4) all respectively, steel-frame beam (7), steel secondary beam (8), flooring diagonal brace (12) is supported on end bay steel truss (1), middle span steel truss (2), on steel column (9), form the support system of superstructure, steel bar truss floor support plate (33) is arranged at end bay steel truss (1), middle span steel truss (2), steel-frame beam (7), steel secondary beam (8), on flooring diagonal brace (12), end bay steel truss (1) and middle span steel truss (2) play the effect supporting upper floor, reinforced concrete shear wall (5), profile steel concrete column (6), reinforced concrete post (30) is as vertical member, and according to demand that is stressed and structure, play the supporting role to floor, reinforced concrete beam (11) and reinforced concrete floor (32) are supported on reinforced concrete shear wall (5), reinforced concrete post (30), in profile steel concrete column (6).
2. large span long cantilever conjoined structure according to claim 1, it is characterized in that above-mentioned end bay steel truss (1) is within the scope of cylindrical shell (4), the supporting steel truss (3) extended by cylindrical shell (4) provides support a little.
3. large span long cantilever conjoined structure according to claim 1, it is characterized in that above-mentioned middle span steel truss (2) in large span floor area and long cantilever floor area by upper chord (14), lower chord (15), diagonal web member (16) and steel column (9) composition, wherein upper chord (14), the side that lower chord (15) supports at cylindrical shell (4), all overlap with the dark beam of steel reinforced concrete arranged in cylindrical shell (4) or coupling beam (13) center line, and through setting, upper chord (14), the opposite side that lower chord (15) supports in profile steel concrete column (6), all to high building extend 1 ~ 2 across, be converted into girder with rolled steel section en cased in concrete (10), the wall column intersected with it is the shear wall (5) of profile steel concrete column (6) and band shaped steel sleeper (21).
4. large span long cantilever conjoined structure according to claim 3, it is characterized in that above-mentioned upper chord (14), lower chord (15) are in large span floor area and the through setting of long cantilever floor area, and be connected as a single entity with the dark beam of steel reinforced concrete that arranges in cylindrical shell (4) or coupling beam (13).
5. large span long cantilever conjoined structure according to claim 3, it is characterized in that above-mentioned end bay steel truss (1), middle span steel truss (2) are at upper chord (14), lower chord (15) place floor, superstructure support system is formed by steel frame (7), steel secondary beam (8), and the flooring diagonal brace (12) of right-angled intersection must be set up, supporting steel truss (3) is at supporting steel truss upper chord (17), supporting steel truss lower chord (18) place floor, between 2 Pin supporting steel truss (3), set up herringbone flooring diagonal brace (12) in flooring position.
6. large span long cantilever conjoined structure according to claim 1, it is characterized in that above-mentioned supporting steel truss (3) is by supporting steel truss upper chord (17), supporting steel truss lower chord (18), oblique drawbar (19), supporting steel truss diagonal brace (20), the dark beam of steel reinforced concrete (13), shaped steel sleeper (21), steel column (9) forms, wherein, supporting steel truss diagonal brace (20) upper end and steel column (9), oblique drawbar (19), supporting steel truss lower chord (18) junction, supporting steel truss diagonal brace (20) lower end is crossing with the dark beam of the steel reinforced concrete pre-buried at floor place (13), common composition stress system, steel column (9) and steel-frame beam (7) form typical floor support system.
7. large span long cantilever conjoined structure according to claim 1, it is characterized in that above-mentioned cylindrical shell (4) plane form is rectangle, utilize staircase, escalator partition wall and exterior wall, form the steel concrete cylindrical shell (4) that four bandings close, cylindrical shell (4) arranges shaped steel sleeper (21) at corner location, and the dark beam of steel reinforced concrete (13) is set at floor position, the two forms the steel structure framework of cylindrical shell (4), cylindrical shell (4) sets up wall limb (26) in the middle cross-location of layout, require wall limb (26) and upper chord (14), lower chord (15) center line overlaps, using as the bearing of middle span steel truss (2) in large span and long cantilever region, meanwhile, perpendicular to large span and long cantilever direction, end bay wall limb (30) must overlap with 2 Pin supporting steel truss (3) center lines, using the bearing as supporting steel truss (3) respectively.
8. large span long cantilever conjoined structure according to claim 1, it is characterized in that the node of above-mentioned long cantilever floor area steel truss upper chord (14) and cylindrical shell (4) intersection is formed by shaped steel sleeper (21), upper chord (14), the dark beam of steel reinforced concrete (13), diagonal web member (16) junction, and sleeper is set at the root position of the dark beam of steel reinforced concrete (13), steel truss upper chord (14) indulges muscle junction plate (24) and sleeper indulges muscle branch sleeve (25); At the root position that upper chord (14) and cylindrical shell (4) join, according to force analysis result, additional fin listrium (22) and additional stiffening rib (23) can be set up in the top side location of upper chord (14).
9. large span long cantilever conjoined structure according to claim 1, it is characterized in that above-mentioned cantilever region steel truss lower chord (15) and cylindrical shell (4) intersection node are by shaped steel sleeper (21), lower chord (15), the dark beam of steel reinforced concrete (13), diagonal web member (16) junction forms, and at the dark beam of steel reinforced concrete (13), the root position of steel truss lower chord (15) arranges sleeper and indulges muscle junction plate (24) and sleeper indulges muscle branch sleeve (25), at the root position that lower chord (15) and cylindrical shell (4) join, additional fin listrium (22) and additional stiffening rib (23) is set up at the basal surface position of lower chord (15), above-mentioned steel bar truss floor support plate system is made up of steel bar girder (27), steel plate (29), and at the top of steel-frame beam (7), steel secondary beam (8) along span direction spaced set peg (28), steel bar girder (27), steel plate (29) are synchronously installed, simultaneously, steel plate (29) is double does template, after concreting, form steel bar truss floor support plate (33).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818772A (en) * | 2015-05-06 | 2015-08-05 | 香港华艺设计顾问(深圳)有限公司 | Large-span long-cantilever connection structure and construction technique |
| CN106013453A (en) * | 2016-06-13 | 2016-10-12 | 中建六局第三建筑工程有限公司 | Construction method for large-span overhung ultra-limit structure |
| CN112443043A (en) * | 2020-11-25 | 2021-03-05 | 浙大城市学院 | Multilayer through-height large-space cantilever truss structure with embedded small orthotropic truss and application |
-
2015
- 2015-05-06 CN CN201520286657.9U patent/CN205000463U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818772A (en) * | 2015-05-06 | 2015-08-05 | 香港华艺设计顾问(深圳)有限公司 | Large-span long-cantilever connection structure and construction technique |
| CN104818772B (en) * | 2015-05-06 | 2017-03-01 | 香港华艺设计顾问(深圳)有限公司 | A kind of large span long cantilever conjoined structure and construction technology |
| CN106013453A (en) * | 2016-06-13 | 2016-10-12 | 中建六局第三建筑工程有限公司 | Construction method for large-span overhung ultra-limit structure |
| CN112443043A (en) * | 2020-11-25 | 2021-03-05 | 浙大城市学院 | Multilayer through-height large-space cantilever truss structure with embedded small orthotropic truss and application |
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