CN105625568A - Fabricated concrete orthogonal spatial space grid box type tube-in-tube structure and making method thereof - Google Patents
Fabricated concrete orthogonal spatial space grid box type tube-in-tube structure and making method thereof Download PDFInfo
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- CN105625568A CN105625568A CN201511013604.0A CN201511013604A CN105625568A CN 105625568 A CN105625568 A CN 105625568A CN 201511013604 A CN201511013604 A CN 201511013604A CN 105625568 A CN105625568 A CN 105625568A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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- Architecture (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a fabricated concrete orthogonal spatial space grid box type tube-in-tube structure. A grid of a horizontal open-web floor and a grid of a vertical lattice frame are identical and are in rigid connection at the intersection. A floor and a shear wall on the periphery of a center reinforced concrete tube core are in rigid connection at the position of the open-web floor. The floor, the center tube core shear wall and the vertical lattice frame are in rigid connection in a pairwise mode to form a grid box type structure. The grid box type structure and the center concrete tube core form the orthogonal spatial box type tube-in-tube structure. The horizontal open-web floor and the vertical lattice frame are prefabricated in a unitized mode and then installed in a layered mode. The amount of placing concrete used after joint assembly accounts for 5% or less of the total concrete amount, formwork consumption and work time are reduced greatly, construction progress is accelerated, and construction cost is reduced by about 20%.
Description
Technical field
The present invention relates to a kind of high-rise and superelevation layer concrete structure, specifically, it relates to barrel structure and making method in the grid boxlike cylinder of a kind of assembled integral concrete orthogonal spatial space, belong to technical field of buildings.
Technical background
Houses in 2014 and town and country construction portion issue " prefabricated concrete structure technical regulation " (JGJ1-2014), mainly for traditional concrete structure, such as framework, frame. cut, frame. the structural systems such as cylinder, it is illustrated in figure 1 traditional concrete frame. Center-Periphery Structure structure, its central authorities' Center-Periphery Structure shear wall in-situ casting, peripheral frame post, beam, secondary beam and plate are prefabricated assembled, it is from down to up, one floor again a floor prefabricated post, beam are equipped with Hou Jiao district at node place, cast concrete by after bar connecting two times and form entirety. For high-rise and high-rise building, the framework beam and column of periphery, the fertile fat post of beam often, the lighter several tons, severe one tens tons, and be single root, transport, install, manufacture difficulty big, tradition structural system is adopted to carry out assembled integral construction for high-rise building, it is very difficult to reduce effect that construction costs reaches energy-saving and emission-reduction.
Summary of the invention
The problem to be solved in the present invention is for above deficiency, it is provided that barrel structure and making method in the grid boxlike cylinder of a kind of assembled integral concrete orthogonal spatial space, after adopting this structure and after method, it is achieved that following object:
1, to realize blocking assembled for buildings.
2, pouring concrete engineering amount after reducing.
3, construction quality, accelerating construction progress is improved.
4, construction costs is reduced.
5, prefabrication, site assembly, civilized construction.
For solving above technical problem, the present invention is by the following technical solutions: barrel structure in the grid boxlike cylinder of assembly concrete orthogonal spatial space, it is characterized in that: the grid of horizontal hollow floor system is equal with erecting the grid to grid type framework, and is rigidly connected in intersection each other;
Horizontal hollow floor system with erect to grid type frame unitization prefabricated after, then layering installs.
A kind of prioritization scheme, superstructure and central Steel Concrete Center-Periphery Structure periphery shear wall, in hollow floor system position for being rigidly connected.
Further, superstructure and central core cylinder shear wall and be rigidly connected into grid type box structure respectively between two to grid type framework with erecting.
Further, grid type box structure and barrel structure in central concrete core cylinder composition orthogonal spatial boxlike cylinder.
Based on barrel structure in the grid boxlike cylinder of above assembly concrete orthogonal spatial space, in this assembly concrete orthogonal spatial space grid boxlike cylinder, the making method of barrel structure comprises:
It is divided into some grid cells by erecting respectively to grid type framework and horizontal grid superstructure on an empty stomach, then it is prefabricated into assembled unit, then installs in working-yard layering.
Further, prefabricated engineering amount accounts for the 85% of whole project.
Further, at scene, central authorities' concrete Center-Periphery Structure is cast in layering from bottom to top;
In concrete Center-Periphery Structure, tower crane is set, makes assembled unit lifting, install and use.
Further, after core tube construction 2-3 layer, first being erected by periphery and install to grid type frame assembling unit, each layer of grid framework post is at all prefabricated 45 �� of assembled stretchers of superstructure absolute altitude, splice with superstructure 45 �� of angles empty stomach beams herein, when wall stand is installed, erecting frame is set;
After each layer of periphery grid type frame installation is in place, concrete empty stomach grid prefabricated unit is installed in layering, after tower crane hoisted in position, arranges bracing frame and supports in each joint position in place.
Further, at square node hollow floor system rest place, lay four-point supporting steel bar truss floor support plate, only template is set at stitching position.
Further, all wear in reserved stirrup at the vertical muscle of node location shearing key and the top reinforcing bar that winds up, steel bar truss floor support plate is shelved again in rest position, grid corner, upper longitudinal of being winded up by empty stomach beam again is in the reserved stirrup of steel-bar arrangement, on between assembled unit and assembled unit, the longitudinal bar connecting of lower chord member stitching position, when upper, after lower edge stitching position model sheetinstallat, stitching portion and floor support plate place disposable after water high one-level concrete, grid cell and floor support plate form superstructure entirety after casting concrete two times on an empty stomach, middle part reserves the interlayer that horizontal pipeline is laid, when erect to horizontal concrete grid stitching position after pouring concrete maintenance complete, namely barrel structure in the grid boxlike cylinder of concrete orthogonal spatial space is formed.
The present invention adopts above technical scheme, compared with prior art, has the following advantages:
1, the grid that the quadrature transverse of building structure of the present invention is just putting hollow floor system with erect to grid type frame mesh equal, and be rigidly connected in intersection each other, form the mechanical model of space grid box structure, thus the mechanical property of structural system and anti-side rigidity are improved significantly, thus realize by transverse direction hollow floor system with erect to grid type frame unitization prefabricated after, then layering install.
2, owing to, after prefabricated unit gridding, sectional dimension of members is little, deadweight is light, and unit area coverage is big, and after assembled node, deposit concrete amount accounts within the 5% of total amount.
3, prefabricated components are gridding also, globality and space behavior strengthen, it is also big that mounting structure covers floor area of building, except central core cylinder is still in-situ casting (15%), all the other big area (85%) component is prefabricated assembled, make in prefabricated field, fabricated assembly overall construction is carried out by national sector standard (JGJ1-2014), after the strong ties reinforcing bars such as splicing position, second pouring concrete is linked as entirety, significantly reduce in-situ concreting workload, only template is set at stitching position, significantly reduce template usage quantity and man-hour, improve construction speed, save the development that template promotes building industry.
4, construction costs entire lowering about 20%.
5, traditional concrete frame, Center-Periphery Structure structural system anti-side rigidity raising 20%-25% is compared.
6, reduce the thickness of superstructure, when high building maximum height and floor clear height are identical, reduce layer high, add the number of plies of high building.
7, superstructure thickness ��=(1/25-1/30) L (depth), indoor room can freely divide, and not by the restriction of " having wall must have beam ", horizontal pipeline can pass through on an empty stomach in plate central authorities.
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is the type formation structural plan of concrete frame Center-Periphery Structure structure during traditional high level and superelevation layer office building are built;
Accompanying drawing 2 is the high-rise type formation structural plan with barrel structure in concrete orthogonal spatial space grid boxlike cylinder in superelevation layer office building building of the present invention;
Accompanying drawing 3 is prefabricated mesh cell layout figure in Fig. 2, and A1 and A2 cell geometry size is identical, but arrangement of reinforcement is different;
Accompanying drawing 4 is precast concrete A1, A2 grid unit plane geometry dimensioned drawing on an empty stomach in Fig. 3, and rest is the supporting-point shelving steel bar truss floor support plate;
Accompanying drawing 5 is steel bar truss floor support plate plane and the sectional view of each grid of superstructure in the present invention;
Accompanying drawing 6 is the A connection detail structure that in Fig. 4, A unit is orthogonal;
Accompanying drawing 7 is A node profile construction in Fig. 6, and the stirrup that winds up is reserved on prefabricated component, floor support plate install and mend wire-tie after cast high one-level concrete;
Accompanying drawing 8 is that the superstructure that in the present invention, concrete empty stomach grid cell and floor support plate are formed after casting concrete for two times is overall;
Accompanying drawing 9 is A node and B node detail structure in accompanying drawing 8, represents rear pouring concrete position with choice refreshments, and thick dotted line is reinforcing bar in prefabricated components;
Accompanying drawing 10 for the present invention on the middle and senior level with barrel structure in the grid boxlike cylinder of superelevation layer (100m��H��216m) assembled integral concrete orthogonal spatial space, extranets lattice frame prefabricated unit A, B arrange sketch;
Accompanying drawing 11 is precast concrete grid A unit structural map in Figure 10.
Embodiment
Embodiment 1, as shown in Figure 2, barrel structure in the grid box structure cylinder of concrete orthogonal spatial space, if still adopting in-situ casting, template workload is big, although being all primary structural component, but number of nodes increases considerably, it is more than structure 3 shown in Fig. 1 times as Fig. 2 often increases superstructure concrete joint amount, if still adopting in-situ casting template amount big, work consuming is consuming time, according to fabricated assembly overall constructional method, will reach the effect got twice the result with half the effort.
Barrel structure in the grid boxlike cylinder of the orthogonal spatial of concrete shown in Fig. 2 space, its horizontal concrete empty stomach superstructure is a �� a=2.8m �� 2.8m=9.84m2Square is grid on an empty stomach, on in its empty stomach beam, lower edge has 1/3 to be rigidly connected with Center-Periphery Structure concrete shear force wall, another 2/3 on an empty stomach beam is orthogonal is rigidly connected, and beam and erecting of surrounding are rigidly connected to the equal one_to_one corresponding of grid type frame column on an empty stomach, framework colum network size is with grid is equal on an empty stomach, namely erect to grid with overall with transverse grid composition space grid box structure, there is the characteristic of plate, due to gridding, the node of the every first floor lid of structure becomes multiple to increase than the node of conventional structure shown in Fig. 1, take a lot of work with conventional in-situ casting again, time-consuming, Fei Cai, adopt assembled integral industrialization operation for this reason, embodiment is as follows:
1) prefabricated component makes: superstructure, periphery grid type framework prefabricated unit, these unit are all prefabricated in prefabricated field, and as shown in Figure 3, superstructure is divided into A1Unit 8, A2Unit 10, grid type framework standard layer every layer of A unit 16, unit B 4 (every layer corner totally 4), as shown in figure 11, these prefabricated mesh concrete units, require from bottom to top according to working drawing, in batches prefabricated.
2) central authorities' concrete Center-Periphery Structure at scene from bottom to top layering cast, and note each layer and the structure of superstructure stitching position, in concrete Center-Periphery Structure, tower crane be set, make prefabricated unit and lift, install and use;
3) after core tube construction (2-3 layer), the grid A, the unit B that are first divided by Figure 10 are installed, Figure 11 wall stand precast concrete grid A unit, its each layer of grid framework post is at all prefabricated 45 �� of assembled stretchers of superstructure absolute altitude, splice with superstructure 45 �� of angles empty stomach beams herein, wall stand should have special erecting frame when installing, it is ensured that structure is set up safely with second pouring concrete and maintenance. After each layer of periphery grid type frame installation is in place, precast concrete shown in layering installation plan 3 is grid A on an empty stomach1With A2Unit, Fig. 4 is precast concrete grid A1(A2) cell floor plan, this prefabricated component covers superstructure area of plane 35m2, deadweight is less than 3T, and good integrity, after tower crane hoisted in position, special bracing frame (can be lifting) should be had in each joint position to support in place, as shown in Figure 5, at square node hollow floor system rest place, lay four-point supporting steel bar truss floor support plate, only template is set at stitching position, Fig. 6 is that prefabricated A unit shearing key position winds up joint structure, node central authorities are for shearing key stirrup and erect to reinforcing bar, 90 ��, this reinforcing bar upper end bends winds up in stirrup in reserved, Fig. 7 is the A-A section of Fig. 6, all wear in reserved stirrup at the vertical muscle of node location shearing key and the top reinforcing bar that winds up, steel bar truss floor support plate is shelved again in rest position, grid corner, again by upper longitudinal of shown in Fig. 9, empty stomach beam being winded up in the reserved stirrup of steel-bar arrangement, on between unit and unit, the longitudinal reinforcing bar of lower chord member stitching position is (on lower edge, lower two row, wind up a bottom one row) etc. strong ties, when upper, after lower edge stitching position model sheetinstallat, stitching portion and floor support plate place disposable after water high one-level concrete, as Fig. 9 mark has black choice refreshments position, namely high building superstructure forms the profile construction such as Fig. 8, superstructure depth 11200 herein, hollow slab thickness 450 (L/25), middle part reserves headroom 2.55m �� 0.1m, it is the interlayer that horizontal pipeline is laid, when erect to horizontal concrete grid stitching position after pouring concrete maintenance complete, namely " in the grid boxlike cylinder of concrete orthogonal spatial space barrel structure " is formed.
Those skilled in the art will recognize that; above-mentioned embodiment is exemplary; it is to enable those skilled in the art better understand content of the present invention; should not be understood as limiting the scope of the invention; volume production is carried out as assembled unit realizes industrialization; construction unit only needs at scene casting of from the 2nd step central authorities' concrete Center-Periphery Structure, as long as the improvement done according to technical solution of the present invention, all falls into protection scope of the present invention.
Claims (10)
1. barrel structure in assembly concrete orthogonal spatial space grid boxlike cylinder, it is characterised in that: the grid of horizontal hollow floor system is equal with erecting the grid to grid type framework, and is rigidly connected in intersection each other;
Horizontal hollow floor system with erect to grid type frame unitization prefabricated after, then layering installs.
2. barrel structure in the grid boxlike cylinder of assembly concrete orthogonal spatial space as claimed in claim 1, it is characterised in that: superstructure and central Steel Concrete Center-Periphery Structure periphery shear wall, in hollow floor system position for being rigidly connected.
3. barrel structure in the grid boxlike cylinder of assembly concrete orthogonal spatial space as claimed in claim 1, it is characterised in that: superstructure and central core cylinder shear wall and be rigidly connected into grid type box structure respectively between two to grid type framework with erecting.
4. barrel structure in the grid boxlike cylinder of assembly concrete orthogonal spatial space as claimed in claim 1, it is characterised in that: grid type box structure and barrel structure in central concrete core cylinder composition orthogonal spatial boxlike cylinder.
5. such as the making method of barrel structure in the assembly concrete orthogonal spatial space grid boxlike cylinder of claim 1-4 as described in one of them, it is characterised in that: making method comprises:
It is divided into some grid cells by erecting respectively to grid type framework and horizontal grid superstructure on an empty stomach, then it is prefabricated into assembled unit, then installs in working-yard layering.
6. barrel structure in assembly concrete orthogonal spatial space grid boxlike cylinder as claimed in claim 5, it is characterised in that, prefabricated engineering amount accounts for the 85% of whole project.
7. the making method of barrel structure in assembly concrete orthogonal spatial space grid boxlike cylinder as claimed in claim 5, it is characterised in that: at scene, central authorities' concrete Center-Periphery Structure is cast in layering from bottom to top;
In concrete Center-Periphery Structure, tower crane is set, makes assembled unit lifting, install and use.
8. the making method of barrel structure in assembly concrete orthogonal spatial space grid boxlike cylinder as claimed in claim 7, it is characterized in that: after core tube construction 2-3 layer, first periphery is erected and install to grid type frame assembling unit, each layer of grid framework post is at all prefabricated 45 �� of assembled stretchers of superstructure absolute altitude, splice with superstructure 45 �� of angles empty stomach beams herein, when wall stand is installed, erecting frame is set;
After each layer of periphery grid type frame installation is in place, concrete empty stomach grid prefabricated unit is installed in layering, after tower crane hoisted in position, arranges bracing frame and supports in each joint position in place.
9. the making method of barrel structure in assembly concrete orthogonal spatial space grid boxlike cylinder as claimed in claim 8, it is characterised in that, at square node hollow floor system rest place, lay four-point supporting steel bar truss floor support plate, only template is set at stitching position.
10. the making method of barrel structure in assembly concrete orthogonal spatial space grid boxlike cylinder as claimed in claim 9, it is characterized in that: all wear in reserved stirrup at the vertical muscle of node location shearing key and the top reinforcing bar that winds up, steel bar truss floor support plate is shelved again in rest position, grid corner, upper longitudinal of being winded up by empty stomach beam again is in the reserved stirrup of steel-bar arrangement, on between assembled unit and assembled unit, the longitudinal bar connecting of lower chord member stitching position, when upper, after lower edge stitching position model sheetinstallat, stitching portion and floor support plate place disposable after water high one-level concrete, grid cell and floor support plate form superstructure entirety after casting concrete two times on an empty stomach, middle part reserves the interlayer that horizontal pipeline is laid, when erect to horizontal concrete grid stitching position after pouring concrete maintenance complete, namely barrel structure in the grid boxlike cylinder of concrete orthogonal spatial space is formed.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951995A (en) * | 2016-06-08 | 2016-09-21 | 潍坊昌大建设集团有限公司 | Prefabricated concrete III orthogonal-diagonal space lattice box type tube-in-tube structure and manufacturing method thereof |
| CN106245772A (en) * | 2016-08-03 | 2016-12-21 | 潍坊昌大建设集团有限公司 | Assembly concrete orthogonal spatial space lattice boxlike bundled tube structure and manufacture method |
| CN106996147A (en) * | 2017-03-31 | 2017-08-01 | 东南大学 | Multilayer large-span assembled orthogonal spatial assembled concrete space lattice box structure and preparation method |
| CN107630509A (en) * | 2017-09-21 | 2018-01-26 | 湖南金海钢结构股份有限公司 | A kind of compound orthogonal-diagonal lattice space steel lattice boxlike tube-in-tube structure of assembled |
| CN107724536A (en) * | 2017-09-21 | 2018-02-23 | 湖南金海钢结构股份有限公司 | A kind of compound orthogonal spatial space steel lattice boxlike tube-in-tube structure of assembled |
| CN107989193A (en) * | 2017-12-10 | 2018-05-04 | 湖南金海钢结构股份有限公司 | Compound orthogonal spatial space lattice boxlike tube-in-tube structure and production method |
| CN108951643A (en) * | 2018-09-06 | 2018-12-07 | 中国建筑第八工程局有限公司 | The big region support replacement construction method of Super High deep basal pit basement Core Walls Structure large span |
| CN109403460A (en) * | 2018-09-10 | 2019-03-01 | 湖南工业大学 | Circular flat large span honeycomb type concrete space lattice box structure and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951995A (en) * | 2016-06-08 | 2016-09-21 | 潍坊昌大建设集团有限公司 | Prefabricated concrete III orthogonal-diagonal space lattice box type tube-in-tube structure and manufacturing method thereof |
| CN106245772A (en) * | 2016-08-03 | 2016-12-21 | 潍坊昌大建设集团有限公司 | Assembly concrete orthogonal spatial space lattice boxlike bundled tube structure and manufacture method |
| CN106996147A (en) * | 2017-03-31 | 2017-08-01 | 东南大学 | Multilayer large-span assembled orthogonal spatial assembled concrete space lattice box structure and preparation method |
| CN106996147B (en) * | 2017-03-31 | 2019-10-18 | 东南大学 | Multilayer large-span assembled orthogonal spatial assembled concrete space lattice box structure and production method |
| CN107630509A (en) * | 2017-09-21 | 2018-01-26 | 湖南金海钢结构股份有限公司 | A kind of compound orthogonal-diagonal lattice space steel lattice boxlike tube-in-tube structure of assembled |
| CN107724536A (en) * | 2017-09-21 | 2018-02-23 | 湖南金海钢结构股份有限公司 | A kind of compound orthogonal spatial space steel lattice boxlike tube-in-tube structure of assembled |
| CN107989193A (en) * | 2017-12-10 | 2018-05-04 | 湖南金海钢结构股份有限公司 | Compound orthogonal spatial space lattice boxlike tube-in-tube structure and production method |
| CN108951643A (en) * | 2018-09-06 | 2018-12-07 | 中国建筑第八工程局有限公司 | The big region support replacement construction method of Super High deep basal pit basement Core Walls Structure large span |
| CN108951643B (en) * | 2018-09-06 | 2020-06-09 | 中国建筑第八工程局有限公司 | Super high-rise deep foundation pit basement core tube large-span large-area support changing construction method |
| CN109403460A (en) * | 2018-09-10 | 2019-03-01 | 湖南工业大学 | Circular flat large span honeycomb type concrete space lattice box structure and preparation method |
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