CN103397695B - The concrete filled steel tube coupled column high-position conjoined structure of two-way steel truss is set - Google Patents
The concrete filled steel tube coupled column high-position conjoined structure of two-way steel truss is set Download PDFInfo
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Abstract
The present invention is a kind of concrete filled steel tube coupled column high-position conjoined structure that two-way steel truss is set. In structural system, bottom floor is divided into two separate high buildings, turret structure system adopts reinforced concrete frame shear wall structure, the some floors in top of two high buildings are connected as a single entity by main steel truss, and time steel truss is being set perpendicular to main steel truss direction, composition two-way steel girder system, primary and secondary steel truss two end bearing connected modes are respectively and are rigidly connected with hinged. The frame column of two high buildings adopts concrete filled steel tube coupled column, and the frame column of the main steel truss of supported on both sides and shear wall adopt respectively the concrete filled steel tube coupled column of built-in pair of steel pipe and the newel post of built-in single steel pipe. The present invention meets code requirement, safe and reliable, and economical rationality solves elevation of building moulding and building function demand, is a kind of reasonable and practical concrete filled steel tube coupled column high-position conjoined structure that two-way steel truss is set.
Description
Technical field
The present invention relates to a kind of high-position conjoined structure for skyscraper, particularly oneThe concrete filled steel tube coupled column high-position conjoined structure that two-way steel truss is set, belongs to two-way steel is setThe innovative technology of the concrete filled steel tube coupled column high-position conjoined structure of truss.
Background technology
At present, the needs of skyscraper based on place situation, sunshine, building function, many towersThe adjacent layout in building, the moulding of high building facade faces the diversified market demand, to be positioned at top someFloor (being generally no less than 4 floor) is connected as a single entity adjacent two high buildings, makes to build positive facadeForm the moulding of door shape, on the one hand, realized elevation of building unique model needs, on the other hand,On top, some floors are connected as a single entity two independent high buildings, build in building function Shang Jiangliangdong buildingVertical traffic connection, is convenient to the multiple consideration of indoor function. Consider the feasible of this type of structural systemProperty, it bears the multi-state effect of vertical and horizontal loading, the form connecting for more floorConsider to adopt to be rigidly connected, and supporting zone structural system all adopts steel construction. By at disjunctorBottom 1 floor or 2 floor arrange steel truss and play two high buildings of contact and support disjunctor superstructureDouble action. Consider that high building frame segment trestle must possess enough bearing capacitys, its section formAdopt concrete filled steel tube coupled column, wherein, the both sides frame column that supports the main steel truss of disjunctor is built-inTwo steel pipes, form the concrete filled steel tube coupled column of built-in pair of steel pipe, to make at major axes orientation toolPrepare enough enough bendings resistance. The floor in disjunctor region adopts on profiled sheet and lays armored concreteCast-in-situ floor form, floor, along main span degree direction, according to calculation requirement, arranges enough in plateTension reinforcement, plate muscle double-layer double-direction arrange, extend into both sides tower along main steel truss direction plate muscleBuilding one is across, and reliable anchoring. High building part is meeting under the prerequisite of building function horizontal layout,Utilize elevator hoistways and staircase that shear wall is set, and establish in the end bay region of two high building both sidesPut appropriate shear wall, to play the effect that improves the anti-side of structural system and torsional rigidity. AboveThe comprehensive employing of technical measures, rationally realizes high-position conjoined demand, forms technically a kind ofNew structure system, can effectively address the above problem.
Summary of the invention
The object of the invention is to for existing building plane function, require two high buildings upperThe some floors of portion are connected as a single entity, and make elevation of building moulding present a shape moulding, propose a kind of fullFoot code requirement, safe and reliable, the high-position conjoined structure of economical rationality. The present invention is a kind of bandHigh-position conjoined shear force of frame wall construction, solves two high buildings separate at middle and lower part floor,And the new structure being connected as a single entity in upper floor.
Technical scheme of the present invention is: the steel tube concrete local soil type that two-way steel truss is set in the present inventionZygostyle high-position conjoined structure, in structural system, bottom floor is divided into two separate high buildings,Turret structure system adopts reinforced concrete frame shear wall structure, the upper floor of two high buildingsBe connected as a single entity by main steel truss, and time steel truss, group are being set perpendicular to main steel truss directionBecome two-way steel girder system, the frame column of two high buildings adopts concrete filled steel tube coupled column, both sidesSupport the steel tube concrete local soil type that the frame column of main steel truss and shear wall adopt respectively built-in pair of steel pipeThe newel post of zygostyle and built-in single steel pipe.
Above-mentioned main steel truss height is got 1 floor high altitude, or gets 2 floor high altitudes, inferior steel purlinFrame height is identical with the height of main steel truss, between main steel truss and between time steel truss, respectively sets upThe I-shaped steel secondary beam of equidistant real abdomen formula, short across the each I-shaped steel secondary beam of direction with timeBetween steel truss, distance is controlled in 3m; High-position conjoined region floor with lower boom, top boom,Girder steel, steel secondary beam, as support, are laid profiled sheet, and are built cast-in-place concrete floor on it.
Above-mentioned two high buildings dual-side across, the end of two high buildings arranges the word with newel postType shear wall or L shaped shear wall.
Above-mentioned main steel truss is made up of lower boom, top boom, diagonal web member, vertical web member, main steelThe framework of truss upper support floor is made up of girder steel and steel column, as supporting being subject to of floor systemPower system, desirable 1 story height of height of main steel truss, inferior steel truss, or be 2 buildingsLayer height, the diagonal web member arrangement form in main steel truss is unidirectional setting, or establishes for right-angled intersectionPut; The section form of diagonal web member is I-shaped or box-shaped.
Above-mentioned and lower boom, top boom, be positioned at the girder steel of main steel truss top corresponding be positioned atHigh building floor place adjacent edge on an axis is girder with rolled steel section en cased in concrete across section forms of beam, high buildingIn scope, all the other Vierendeel girders are reinforced beam, and typical bean column node is that a direction is adoptedGet the Vierendeel girder wide with post, Vierendeel girder top, bottom are positioned at the vertical muscle in middle part in built-in steel pipe wallsSide opening pierced, and in every stringer, vertical muscle at least punches through 2 in steel pipe walls, and beam bight is verticalMuscle horizontal buckling is walked around steel pipe and is anchored in concrete column; The reinforced beam of another directionYu Zhu limit, limit flushes, and in reinforced beam, vertical muscle is anchored in the frame column concrete in steel pipe outsideIn.
The shear wall of above-mentioned built-in single steel pipe newel post is only established supporting main steel truss position, disjunctor regionPut, prop up lower boom, the top boom of main steel truss, the both sides that are positioned at the girder steel of main steel truss topAll corresponding shear walls being positioned on same axis that extends into of seat, the shearing of corresponding floor positionThe dark beam of steel reinforced concrete is set within the walls.
The concrete filled steel tube coupled column of above-mentioned built-in pair of steel pipe is only supporting the main steel truss in disjunctor regionPosition arrange, at disjunctor floor, the lower boom of main steel truss, top boom, disjunctor building, topThe girder steel of layer is all connected with the concrete filled steel tube coupled column of built-in pair of steel pipe, adjacent with disjunctorHigh building floor place, and be girder with rolled steel section en cased in concrete perpendicular to the side bar of main steel truss direction, with built-inSteel pipe by high building one side in the concrete filled steel tube coupled column of two steel pipes connects, and beam column connection isBe rigidly connected, equidistantly between two steel pipes in frame column small-sized steel pipe is set connects.
Above-mentioned time steel truss has two kinds of forms, the first: a side is supported on shear wall, anotherSide is supported on main steel truss; The second; Both sides all support with main steel truss on; Inferior steel trussIn diagonal web member consider that floor passageway is set need to not arrange oblique abdomen being positioned between middle node positionBar, in diagonal web member is arranged at the end bay of time steel truss as the case may be with vertical web member, inferior steelTruss side supports is hinged.
The section form of above-mentioned concrete filled steel tube coupled column is middle part in rectangle reinforced columnRound steel pipe is set up in position, and the inside and outside strength grade of concrete of steel pipe is identical, or different, steel pipeInner concrete strength grade is not less than the outer strength grade of concrete of steel pipe, the inside and outside concrete of steel pipeBuild the same period, or first build steel pipe inner concrete, and the outer concrete of after-pouring steel pipe, specifically depending on executingWork manufacturing process determination.
The present invention to two in, mutually complete independent high building of bottom floor, and if have on topThe building that dry floor is connected as a single entity provides safe and reliable, economically viable organization plan, is connectingBottom body, 1～2 layer arranges two-way steel truss, two high buildings are held together, and on supportingThe some disjunctor floors of portion, main steel truss and both sides high building bearing type of attachment be for being rigidly connected, and twoSide supports the frame column of main steel truss and shear wall and adopts respectively the concrete filled steel tube of built-in pair of steel pipeThe newel post of coupled column and built-in single steel pipe, this construction measure can make beam column support node reasonable,Connect effectively, disjunctor floor area beam column all adopts steel construction, main steel truss lower boom, winds upBar and upper floor girder steel extend in the end bay at high building floor place, corresponding both sides respectively, high buildingThe side bar section form at respective storey place is girder with rolled steel section en cased in concrete, and the method can make disjunctor floorFloor corresponding to corresponding high building forms effective connection and transition. Between the main steel truss in disjunctor region withBetween inferior steel truss, respectively set up the I-shaped steel secondary beam of equidistant real abdomen formula, on it, lay die mould steelPlate, and build cast-in-place concrete floor, in floor, according to result of calculation, double-layer double-direction reinforcing bar is setNet, along reinforcing bar in main steel truss direction plate extend in the high building of both sides one across, to guarantee that floor shouldEffective transmission of power. The present invention compared with prior art, has following benefit:
1, the needs that meet elevation of building moulding and floor function, structural system is safe and reliable, warpJi rationally;
2, utilize story height that steel truss is set, steel truss place floor coordinates building function demandReasonable Arrangement, can be used as usage space, meets structure stress needs, effectively increases againBuild effective usable floor area, steel truss place floor be fully used, accomplish function andStressed unification;
3, steel truss lower boom, top boom, disjunctor upper floor girder steel and concrete filled steel tube combinationPost node is reasonable, and power transmission is direct, and constructability is installed;
4, give full play to steel, concrete bi-material mechanical characteristics, disjunctor region adopts steel construction,The frame column of supporting steel truss and shear wall adopt respectively the concrete filled steel tube combination of built-in pair of steel pipeThe advocate peace newel post of built-in single steel pipe, can improve bearing capacity and the ductility of key member, reasonable stress;
5, disjunctor steel truss adopts two-way setting, coordinates the disjunctor region primary and secondary steel of different spansStressed being tending towards of truss evenly, is beneficial to the transmission of load multipath, is beneficial to antidetonation;
6, high building frame column adopts concrete filled steel tube coupled column, meets and disjunctor steel construction on the one handThe structure reasonability of support node; On the other hand, improve post bearing capacity and ductility, reduce postSectional dimension, increases the effective usable floor area of floor.
7, profiled sheet is laid in disjunctor region on girder steel, builds reinforced concrete Tulou thereon againPlate, can simplify working procedure, reduces formwork expense, accelerates speed of application.
The present invention is applicable to high-position conjoined skyscraper, and disjunctor part adopts steel construction, canIn factory process, scene directly lifts, and ensures the quality of products, and saves labour cost.
The present invention is a kind of reliable design, excellent earthquake resistance, is applicable to the height in skyscraperPosition conjoined structure, is suitable at present elevation of building various shapes and unique demand, shouldWith having a extensive future.
Brief description of the drawings
Fig. 1 is the high-position conjoined steel truss of the embodiment of the present invention 1 place layout of floor plan;
Fig. 2 is the concrete filled steel tube coupled column schematic diagram that the embodiment of the present invention 1 includes two steel pipes;
Fig. 3 is the embodiment of the present invention 1 high building concrete filled steel tube coupled column schematic diagram;
Fig. 4 is that the embodiment of the present invention 1 both sides are the high-position conjoined of concrete filled steel tube coupled column supportPartly (main steel truss direction) facade detail drawing;
Fig. 5 is high-position conjoined part (the main steel truss side that the embodiment of the present invention 1 both sides are shear wallTo) facade detail drawing;
Fig. 6 is that the embodiment of the present invention 1 both sides are all supported on the inferior steel truss facade on main steel trussDetail drawing;
Fig. 7 is that the embodiment of the present invention 1 one sides are supported on main steel truss, and opposite side is supported on shearingInferior steel truss facade detail drawing on wall;
Fig. 8 is the main steel truss lower boom of the embodiment of the present invention 1, diagonal web member and includes two steel pipesThe bean column node schematic diagram of concrete filled steel tube coupled column.
Fig. 9 is the A-A cutaway view in Fig. 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail. ThisInvent the described concrete filled steel tube coupled column high-position conjoined structure that two-way steel truss is set, asShown in Fig. 1. The present invention arranges the concrete filled steel tube coupled column high-position conjoined structure of two-way steel trussSystem, the horizontal layout of its structure is L shaped or rectangle, two high buildings in, bottom floor dividesBe two separate high buildings, the some floors in top of two high buildings are linked as by main steel truss 1One, and time steel truss 2 is being set perpendicular to main steel truss direction, composition two-way steel girder system,High building frame column adopts concrete filled steel tube coupled column 3, and the frame column of the main steel truss of supported on both sides adoptsThe concrete filled steel tube coupled column 4 of built-in pair of steel pipe 8, the shear wall 5 of the main steel truss of supported on both sidesIn the newel post in bight, arrange that 8,2 high buildings of single steel pipe arrange with newel post at both side ends end bayLinear shear wall or L shaped shear wall 6, to improve integrally-built anti-side and torsional rigidity. TwoAdjacent edge corresponding with high-position conjoined connected floor in high building is across adopting girder with rolled steel section en cased in concrete 7, towerPart all the other Vierendeel girders in building are reinforced beam 18, typical bean column node place in high building, oneIndividual direction adopts the Vierendeel girder 22 wide with post, and the vertical muscle of Vierendeel girder 22 is in built-in steel pipe 8 wall sidesPunch and at least punch through 2 in steel pipe walls through vertical muscle in, every stringer, muscle water is indulged in beam bightFlat bending is walked around steel pipe 8 and is anchored in concrete column 9, the reinforced beam of another direction18 beam limits are concordant with concrete filled steel tube coupled column 3 sides, and the interior vertical muscle of reinforced beam 18 extendsEnter steel pipe 8 outsides in concrete filled steel tube coupled column 3, be anchored in concrete column 9.
Above-mentioned main steel truss 1 side supports has two kinds of situations, the first situation, main steel truss 1Two end bearings are shear wall 5,15 liang of the lower booms 11 of main steel truss 1, top boom 12, girder steelSide bearing is corresponding to be extended in shear wall 5, and shear wall 5 arranges in relevant position, high building floor placeThe dark beam 17 of steel reinforced concrete. The second situation, 1 liang of end bearing of main steel truss is established two steel pipes in beingConcrete filled steel tube coupled column 4, the lower boom 11 of main steel truss 1, top boom 12, girder steel 15Side supports is corresponding establishes in extending in the concrete filled steel tube coupled column 4 of two steel pipes, inside establishes two steelThe concrete filled steel tube coupled column 4 of pipe is at high building floor place relative set girder with rolled steel section en cased in concrete 7. Above-mentionedConnected mode is and is rigidly connected.
Above-mentioned time steel truss 2 is divided into two kinds of situations, the first situation, and prop up inferior steel truss 2 both sidesSeat is main steel truss 1; Another kind of situation, inferior steel truss 2 one sides are supported in main steel truss 1Upper, opposite side is supported on shear wall 5.
Above-mentioned high-position conjoined region floor position with lower boom 11, top boom 12, girder steel 15,Steel secondary beam 16 supports as superstructure, and on it, lay profiled sheet, and build cast-in-place concrete floor,Composition floor system.
Fig. 2 is concrete filled steel tube coupled column 4 schematic diagrames that include two steel pipes 8, and this post is only propping upThe position of the main steel truss 1 of support disjunctor floor arranges, at disjunctor floor, and the lower edge of main steel truss 1The girder steel 15 of bar 11, top boom 12, top disjunctor floor is all connected with this post, perpendicular to masterSteel truss 1 direction, and the side bar adjacent with high building floor be girder with rolled steel section en cased in concrete 7, with arrange twoSteel pipe 8 by high building one side in the concrete filled steel tube coupled column 4 of steel pipe 8 connects, and beam column connectsBe and be rigidly connected; The setting of two steel pipes 8, on the one hand, avoids the beam of both direction to intersect atSame steel pipe 8, the complexity of minimizing bean column node; On the other hand, two steel pipes increase is setAlong the rigidity of disjunctor direction concrete filled steel tube coupled column 4, stressed favourable to supporting disjunctor floor.
Fig. 3 is the schematic diagram of concrete filled steel tube coupled column 4, and this column section type is at rectangle steelThe interior medium position of reinforced concrete post 9 is set up round steel pipe 8, the inside and outside all casting concretes 9 of steel pipe 8,Its objective is the stress of utilizing steel pipe 8 inner concretes to form three-dimensional constraint, to play raisingThe effect of frame column bearing capacity; On the other hand, improve the ductility of frame column, be suitable for being with highA kind of cross-section of frame column form matching of position conjoined structure system. Steel pipe 8 is inside and outsideStrength grade of concrete can be identical, also can be different, and general steel pipe inner concrete strength gradeBe not less than the outer strength grade of concrete of steel pipe; In addition, the inside and outside concreting of steel pipe 8 canTo build simultaneously, also can first build the inner concrete of steel pipe 8, after-pouring steel pipe 8 is outside mixedSolidifying soil, specifically looks construction technology and determines.
Fig. 4 is high-position conjoined part (the main steel of both sides using concrete filled steel tube coupled column 4 as bearingTruss direction) facade detail drawing, the situation that the bearing that is applicable to main steel truss 1 both sides is frame column,The post that is characterized in supporting main steel truss 1 is the concrete filled steel tube coupled column 4 of built-in pair of steel pipe 8,Wherein, main steel truss 1 is by lower boom 11, top boom 12, diagonal web member 13, vertical web member 19Composition, truss depth can be got 1 story height, also can get 2 story heights, main steelThe lower boom 11 of truss 1, top boom 12, girder steel 15 all extend into both sides high building respective storeyEnd bay in, the section forms of beam of the same axis end bay of corresponding high building position is girder with rolled steel section en cased in concrete7. The diagonal web member 13 that main steel truss 1 is positioned at an internode can be unidirectional setting, also canFor right-angled intersection setting; Main steel truss 1 diagonal web member 13 is passable with vertical web member 19 section formsFor I-shaped or box-shaped.
Fig. 5 is the high-position conjoined parts (main steel truss direction) of both sides using shear wall 5 as bearingFacade detail drawing, is characterized in that the bearing of main steel truss 1 both sides is shear wall 5, wherein, and lower boom11, top boom 12, girder steel 15 are all connected with the newel post 20 of built-in steel pipe 8 in shear wall 5.The girder steel 15 of the lower boom 11 of main steel truss 1, top boom 12, top disjunctor floor all extendsEntering in high building shear wall 5, is the dark beam 17 of steel reinforced concrete in shear wall 5 floor relevant positions.
Fig. 6 is both sides using the inferior steel truss 2 facade detail drawings as bearing on main steel truss 1, itsFeature is the direction settings of time steel truss 2 edges perpendicular to main steel truss 1, in inferior steel truss 2Diagonal web member 13 is considered floor passageway needs are set being positioned between middle node position, and diagonal web member is not set13, and inferior steel truss 2 is arranged symmetrically with along axis, and vertical web member 19 installs in end bay interpositionPut, the reasonable Arrangement of diagonal web member 13, vertical web member 19 is based on before meeting that structural bearing capacity requiresPut, can take into account building function demand, by inferior steel truss 2 positions and partition wall position consistency,At utmost avoid because inferior steel truss 2 arranges the impact causing building function.
Fig. 7 is that a side bearing is main steel truss 1, and opposite side bearing is the inferior steel truss of shear wall 52 facade detail drawings, are characterized according to concrete horizontal planning of building form, inferior steel truss 2 one sidesBearing is shear wall 5, and opposite side bearing is main steel truss 1, and inferior steel truss 2 is according to building functionThe setting requiring, not only meets bearing capacity demand under various operating modes, and can be in conjunction with Practical ProjectGive flexible, can at utmost meet building function demand.
Fig. 8 is that main steel truss 1 lower boom 11, diagonal web member 13 are mixed with the steel pipe of built-in pair of steel pipe 8Solidifying local soil type zygostyle 4 connection details, are characterized in that main steel truss 1 lower boom 11, diagonal web member 13 convergeFriendship is after any and plays concrete filled steel tube coupled column 4 nodes of built-in pair of steel pipe 8 of bearing effectConnect structure, lower boom 11, diagonal web member 13 are box section, by with post in two steel pipes 8Reliable connection, the section forms of beam of relevant position, corresponding high building floor place is girder with rolled steel section en cased in concrete7. Reserved 2 holes of box section upside steel plate of this Nodes lower boom 11, diagonal web member 1321, respectively as the channel of casting concrete and exhaust, make the inner concrete casting of box sectionBuilding can be closely knit even, thereby realizes effective collaborative work of concrete and steel member. Two steel pipes 8Between the small-sized steel pipe 10 of equidistant welding, strengthen the globality of two steel pipes 8. Steel structure member peaceAfter dress, build the concrete in beam column and lower boom 11, diagonal web member 13 box components, makeNode is not only accomplished safe and reliablely, power transmission is direct, and beam column external wrapping concrete, increases jointFire protecting performance and the durability of point.
Fig. 9 is the A-A cutaway view in Fig. 8, is characterized in reflecting each structure in connection detailPart horizontal layout relation, wherein, perpendicular to main steel truss 1 direction and concrete filled steel tube coupled column 4The girder with rolled steel section en cased in concrete 7 connecting is connected with the steel pipe 8 near high building one side, can avoid two sidesToo much to the junction on same steel pipe 8 of steel member, cause constructional difficulties.
Fig. 1 is high-position conjoined floor structure floor plan in concrete engineering example, and the present invention shouldFor certain Practical Project, seismic fortification intensity 7 is spent, first group of classification of design earthquake, placeClassification III class. Underground 3 layers of this project, amounts to 2 groups of high buildings on the ground, is divided into A, Building B, 2 groupsHigh building lays respectively at the diagonal position in place, is antisymmetry and arranges, 2 groups of high building superstructure systemsIdentical, every group of high building horizontal layout is all L-shaped. 1～8 layer is business podium, by 2 groups of high buildingsBe connected as a single entity, every group of high building forms by 2 independent high buildings more than 8 floor, and its number of plies respectivelyBe 23 layers and 27 layers, main structure body total height is respectively 82m, 99m, in every group of high building 2Independent high building is connected as a single entity at 18～23 floor, and 2 groups of structural systems all form with high-position conjoined frameFrame shear wall structure. Floor height is as follows: 1 layer of 5.1m; 2～3 layers of 4.8m, 4 layers of 5.2m; 5 layers4.4m; 6 layers～roofing layer is 3.4m. Building function basement be garage, device rooms andAir-raid shelter, podium part floor is building for commercial use, high building is hotel. Every group of high building is upperPortion's part floor is connected as a single entity 2 independent high buildings, and elevation of building forms the effect of door font,Disjunctor floor coordinates hotel to use function, again 2 high buildings is set up to contact in traffic, accomplishesThe unification of outer facade moulding and built-in function. Due to nearly 6 layers, disjunctor floor, therefore disjunctor partFor being rigidly connected, structural system must be worked by 2 high buildings of consideration jointly, therefore at tower with 2 high buildingsBuilding wall column horizontal layout must consider, and is utilizing staircase and elevator hoistways that shear wall 5 is set,Set up L shaped shear wall 6 in the end bay region that is positioned at high building, to strengthen integrally-built anti-side and anti-Turn round rigidity. Consider the complexity of structural system stress performance, and coordinate high-position conjoined structureRequirement, high building cross-section of frame column type selecting is concrete filled steel tube coupled column 3, supports the limit of disjunctor floorAdopt the concrete filled steel tube coupled column 4 of the two steel pipes of built-in band across frame column, Vierendeel girder adopts reinforcing bar mixedSolidifying native beam 18. Disjunctor floor arranges two-way steel truss at the bottom (16 layers), wherein, mainSteel truss 1 amounts to 4 roads, connects 2 high buildings, respectively has respectively the main steel truss of 2 Pin 1 both sides to divideBe not supported on concrete filled steel tube coupled column 3 and shear wall 5. Arrange 5 perpendicular to main steel truss 1Passage steel truss 2, wherein, 3 Pin steel truss 2 both sides are all supported on main steel truss 1, and 2Pin time steel truss 2 one sides are supported in main steel truss 1, and opposite side is supported on shear wall 5. Main steelThe girder steel 15 of truss 1 lower boom 11, top boom 12 and disjunctor upper floor all extends into 2 sidesIn high building one across, the section forms of beam of high building floor relevant position is girder with rolled steel section en cased in concrete 7. DisjunctorFloor is in conjunction with the spacing of lower boom 11, top boom 12, girder steel 15, in the main steel of floor position purlinBetween frame 1 and between time steel truss 2, respectively set up equidistant steel secondary beam 16, across direction, every shortBetween steel secondary beam 16 and magnet steel truss 2, spacing is controlled in 3m, jointly forms superstructure and props upSupport body system, profiled sheet is laid on its top, and casting concrete floor. Floor bar in disjunctorDraw logical setting according to calculation requirement double-layer double-direction, and along main steel truss 1 direction, vertical muscle in plateExtend in the high building end bay of both sides one across, and reliable anchoring.
The present invention has taken into full account the demand of building function and facade moulding, by disjunctor bottomStory height arranges the two-way steel truss of main steel truss 1, inferior steel truss 2, makes structural system shapeBecome to arrange the concrete filled steel tube coupled column high-position conjoined structure of two-way steel truss. By disjunctor part masterStructural system adopts steel construction, its objective is and makes full use of the good mechanical property of steel, makesStructural key member possesses enough bearing capacitys and ductility, and node is accomplished reasonable stress, letterSingle practical. Disjunctor of the present invention region is along main steel truss 1 direction lower boom 11, top boom 12 and companyThe girder steel 15 of body upper floor is reliably connected with corresponding bearing, on the limit of high building floor relevant positionBe girder with rolled steel section en cased in concrete 7 across Vierendeel girder section form, guarantee what disjunctor part was connected with both sides high buildingReliability and globality. The frame column that supports disjunctor floor is the concrete filled steel tube of built-in pair of steel pipeCoupled column 4, shear wall 5 bights of supporting disjunctor floor are the newel post of built-in single steel pipe 8, are holding concurrentlyTurn round and look at and support under disjunctor regions carry power requirement prerequisite, with main steel truss 1 lower boom 11, top boom12 and floor girder steel 15 between node realize rationally and connecting, be beneficial to steel member to steel reinforced concreteThe transition of beam 7 and reinforced beam 18 and conversion. In the present invention, high building frame column all adopts steelPipe concrete coupled column 3, in the rational prerequisite of joint structure coordinating between main steel truss 1Under, can utilize the feature that its bearing capacity is higher, suitably reduce column cross-section size, increase building and makeUse area. The present invention be applicable to 2 high buildings in, bottom floor is independent separately, and on topThe skyscraper that has more floor (at least 4 layers) to be connected as a single entity, particularly disjunctor region be notWith the different situation of post net span, corresponding disjunctor supported on both sides condition also can be according to actual feelingsThe situation that condition changes, has larger generality and and practicality.
Example of the present invention exemplifies above-mentioned embodiment, but due to the change of building function horizontal layoutChange, corresponding horizontal planning of building and the high-position conjoined form that arranges all can change, corresponding construction bodySystem also can change flexibly, unless cause that structural system change exceeds scope of the present invention, otherwise allWithin should being included in protection scope of the present invention.
Claims (7)
1. a concrete filled steel tube coupled column high-position conjoined structure for two-way steel truss is set, structureIn system, bottom floor is divided into two separate high buildings, turret structure system adopts reinforcing barConcrete frame shear wall structure, the some floors in top of two high buildings are linked as by main steel trussOne, and time steel truss is being set perpendicular to main steel truss direction, composition two-way steel girder system,The frame column of two high buildings adopts concrete filled steel tube coupled column, the framework of the main steel truss of supported on both sidesPost and shear wall adopt respectively the concrete filled steel tube coupled column of built-in pair of steel pipe and built-in single steel pipeNewel post; Above-mentioned main steel truss height is got 1 floor high altitude, or gets 2 floor high altitudes, inferior steelTruss depth is identical with the height of main steel truss, between main steel truss and between time steel truss, respectively increasesIf the I-shaped steel secondary beam of equidistant real abdomen formula, short across the each I-shaped steel secondary beam of direction withBetween inferior steel truss, distance is controlled in 3m; High-position conjoined region floor with lower boom, wind upBar, girder steel, steel secondary beam, as support, are laid profiled sheet, and are built cast-in-place concrete on itFloor; Above-mentioned two high buildings dual-side across, the end of two high buildings arranges with one of newel postI-shaped shear wall or L shaped shear wall.
2. the concrete filled steel tube coupled column that two-way steel truss is set according to claim 1 is highPosition conjoined structure, it is characterized in that above-mentioned main steel truss by lower boom, top boom, diagonal web member,Vertical web member composition, the framework of main steel truss upper support floor is made up of girder steel and steel column, doesFor supporting the stress system of floor system, the diagonal web member arrangement form in main steel truss is unidirectional establishingPut, or be right-angled intersection setting; The section form of diagonal web member is the I-shaped or box-shaped of real abdomen formula.
3. the concrete filled steel tube coupled column that two-way steel truss is set according to claim 1 is highPosition conjoined structure, is characterized in that above-mentioned and lower boom, top boom, is positioned at main steel truss topThe high building adjacent edge on same axis of being positioned at corresponding to girder steel be that shaped steel is mixed across section forms of beamSolidifying Tu Liang, within the scope of high building, all the other Vierendeel girders are reinforced beam, typical bean column nodeBe that a direction is taked the Vierendeel girder wide with post, Vierendeel girder top, bottom are positioned at the vertical muscle in middle partPierced at built-in steel pipe walls side opening, in every stringer, vertical muscle at least punches through 2 in steel pipe wallsRoot, the vertical muscle horizontal buckling in beam bight is walked around steel pipe and is anchored in concrete column; Another directionYu Zhu limit, reinforced beam limit flushes, and vertical muscle is anchored in steel pipe outside in reinforced beamIn frame column concrete.
4. the concrete filled steel tube coupled column that two-way steel truss is set according to claim 1 is highPosition conjoined structure, is characterized in that the shear wall of above-mentioned built-in single steel pipe newel post is only supporting disjunctorMain steel truss position, region arranges, and lower boom, the top boom of main steel truss, is positioned at main steel trussAll corresponding shear walls being positioned on same axis that extends into of girder steel side supports of top, rightAnswer in the shear wall of floor position the dark beam of steel reinforced concrete is set.
5. the concrete filled steel tube coupled column that two-way steel truss is set according to claim 1 is highPosition conjoined structure, is characterized in that the concrete filled steel tube coupled column of above-mentioned built-in pair of steel pipe is only propping upThe position of the main steel truss in support disjunctor region arranges, at disjunctor floor, the lower boom of main steel truss,Top boom, girder steel are all connected with the concrete filled steel tube coupled column of built-in pair of steel pipe, with disjunctor phaseAdjacent high building floor place, its side bar perpendicular to main steel truss direction is girder with rolled steel section en cased in concrete and establishesPut the steel pipe connection of leaning on high building one side in the concrete filled steel tube coupled column of two steel pipes, beam column connects allFor being rigidly connected, equidistantly between two steel pipes in frame column small-sized steel pipe is set connects.
6. the concrete filled steel tube coupled column that two-way steel truss is set according to claim 1 is highPosition conjoined structure, is characterized in that above-mentioned steel truss has two kinds of forms, the first: a side is propped upSupport on shear wall, opposite side is supported on main steel truss; The second; Both sides are all supported and masterOn steel truss; Diagonal web member in inferior steel truss considers to arrange floor mistake being positioned between middle node positionRoad need to not arrange diagonal web member, and diagonal web member is arranged at time steel purlin as the case may be with vertical web memberIn the end bay of frame, inferior steel truss side supports is hinged.
7. the concrete filled steel tube coupled column that two-way steel truss is set according to claim 1 is highPosition conjoined structure, the section form that it is characterized in that above-mentioned concrete filled steel tube coupled column is at rectangleIn reinforced column, medium position is set up round steel pipe, the inside and outside strength grade of concrete of steel pipeIdentical, or different, and steel pipe inner concrete strength grade is not less than the outer strength grade of concrete of steel pipe,The inside and outside concrete of steel pipe is built the same period, or first builds steel pipe inner concrete, outside after-pouring steel pipeConcrete, specifically looks construction technology and determines.
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| CN103850347A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | Steel pipe bundle combined structure system for industrial residential building |
| CN103821280A (en) * | 2014-02-28 | 2014-05-28 | 中天建设集团有限公司 | Construction method for steel tube confined concrete composite columns |
| CN106193337A (en) * | 2016-08-31 | 2016-12-07 | 长沙远大住宅工业集团股份有限公司 | Overlapping sandwich wall side wall and the connection node of prefabricated panel |
| CN106522419B (en) * | 2016-12-30 | 2022-12-09 | 香港华艺设计顾问(深圳)有限公司 | Adjacent beam-supporting column conversion beam that strides and set up steel sheet concrete shear force wall |
| CN111173136A (en) * | 2020-02-14 | 2020-05-19 | 广东省建筑设计研究院 | Combined structure of concrete member and steel truss and assembling method |
| CN114562038A (en) * | 2022-03-09 | 2022-05-31 | 中建二局第一建筑工程有限公司 | Large-section steel concrete column-steel truss connecting structure |
| CN114961106B (en) * | 2022-07-01 | 2023-09-15 | 中铁建工集团有限公司 | Ski field frame column structure and construction method |
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| CN1995579B (en) * | 2006-12-29 | 2011-09-07 | 北京工业大学 | Steel pipe concrete frame-steel truss-concrete combined shear wall and its manufacture method |
| CN200992752Y (en) * | 2006-12-29 | 2007-12-19 | 北京工业大学 | Steel pipe concrete side frame-steel truss-concrete combined shear wall |
| CN201588315U (en) * | 2009-12-18 | 2010-09-22 | 北京工业大学 | Steel plate and steel truss coupled shear wall internally hidden in steel pipe concrete overlapped pillar frame |
| CN101748828B (en) * | 2009-12-18 | 2011-08-10 | 北京工业大学 | Concrete filled steel tube laminated column frame inbuilt steel plate and steel truss interconnected space shear wall |
| JP5741356B2 (en) * | 2011-10-03 | 2015-07-01 | 新日鐵住金株式会社 | Column-to-column joints of ramen frames |
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