CN206815630U - A kind of superstructure for saving construction material - Google Patents
A kind of superstructure for saving construction material Download PDFInfo
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- CN206815630U CN206815630U CN201720444153.4U CN201720444153U CN206815630U CN 206815630 U CN206815630 U CN 206815630U CN 201720444153 U CN201720444153 U CN 201720444153U CN 206815630 U CN206815630 U CN 206815630U
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- cross beam
- superstructure
- vertical muscle
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Abstract
The utility model discloses a kind of superstructure for saving construction material, including vertical muscle and horizontal bar, intersecting parallels superstructure is formed together with the vertical muscle and horizontal bar intersection ligation, the vertical muscle is in upper cross beam, the stirrup of its cross beam is not provided with crossover node, cross beam of the vertical muscle under, the stirrup of its cross beam are continuously set in crossover node.The superstructure of the saving construction material, compared with conventional art, the utility model saves material, reduces cost.
Description
Technical field
The utility model belongs to technical field of civil engineering, and in particular to a kind of superstructure for saving construction material.
Background technology
Architecture Design Market is increasingly competitive, and to Structural Design Requirement more and more higher, investor does not require nothing more than structure and set
Meter meets to use function, and it is desirable that realizes optimum structure scheme under equal conditions:Low cost, speed of application are fast etc..For
Market demands are adapted to, structure design must carry out basic research, and with reference to Practical Project, the structural system for being readily able to Rule Summary is returned
Alanysis, draw the method and conclusion for instructing structure design.It is comprehensive that engineering is done by our hospital, have accumulated rich experiences, makes good use of this
A little precious resources, production and research are combined, produce economic benefit, improved production efficiency, leading market status is seized, to investment
Side provides high-level services, wins industry public praise.
Basement floor system plays vertical supporting loads and transmits the work of horizontal loading as main horizontal member
With.Because basement superstructure area is big, its construction costs typically constitutes from more than the 30% of whole Civil Costs, and with basement
The increase of the number of plies, its ratio are also gradually increased；In addition, basement superstructure also has a strong impact on the comfortableness and aesthetic property of building,
It is significant to reducing building height, the saving energy, reduction cost using rational basement floor system.In structure design
In, the economy of basement Design of Floors embodies substantially, and structural system directly affects the cost of investor, is meeting to use function
Under secured premise, select suitable basement floor construction system particularly important, study the economic and technical norms of floor system,
The structural system of economical rationality is chosen in Preliminary design, is not only necessary, and is important, it can bring obvious warp
Benefit of helping and social benefit, it is often more important that meet the requirement of investor's economy.
Existing literature and achievement in research there is no comprehensively to basement superstructure type（Single-direction and dual-direction rib-beam floor frame, square formed fences,
Big plate haunch superstructure, arch without beam, hollow floor, basement waterproofing plate）Advantage and disadvantage, and economic influence factor（Span, lotus
Load, functional requirement, crack, material, construction factor, seismic behavior, form cost, labour cost, duration, excavation of foundation pit and supporting expense
Deng）The research of complete Integrated comparative, this research for above superstructure type done detailed analysis, drawn with reference to Practical Project
Result of study, to instruct basement floor system structure design.
The selection of basement Structural Floor System, mainly consider post net size, load, functional requirement, seismic behavior etc..
Influence factor is few, is easy to analyze and sum up rule, for the design method of different Structural Floor Systems, show that basement is various
The applicable elements and economy of superstructure, instruction is directly provided for investor, makes and clearly judging, selects Rational structure body
System.The time for doing project plan comparison can be also saved for structure design personnel, thinning and optimizing structure design details that can be faster and better.
The achievement in research of basement structure System Design（Hereinafter referred to as achievement）It can directly put into practice Instructing manufacture, basement structure is set
Meter, can aggregate into design table by achievement, directly according to design condition, find respective design structural system, arrangement,
Designing points, and the economic steel content of directiveness.As can be seen that achievement instructs effectively instruct structure design, practicality is strong, fortune
Wide with scope, the benefit of acquirement is obvious.In a word, in the market competition environment of fierceness, the doulbe-sides' victory of efficiency and benefit will be obtained.
Utility model content
The purpose of this utility model is to provide a kind of superstructure for saving construction material, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：A kind of superstructure for saving construction material, including
Vertical muscle and horizontal bar, the vertical muscle and horizontal bar form intersecting parallels superstructure together with intersecting ligation, the vertical muscle in upper cross beam, its
The stirrup of cross beam is not provided with crossover node, and cross beam of the vertical muscle under, the stirrup of its cross beam is in crossover node
Interior continuous setting.
Preferably, area's lattice size of the intersecting parallels superstructure is less than or equal to 2.5m.
Preferably, the vertical muscle and the stirrup of horizontal bar both direction are no less than the@100 of Φ 8.
The rectangular slab supported by four sides, when its length is less than 2 (being calculated by elastic theory) or less than 3 across the ratio between effective span
When (pressing Plasticity Theory Analysis), referred to as two-way slab.The just referred to as two-way rib being made up of the beam or wall of two-way slab and both direction
Beam superstructure.
Cross beam is exactly regardless of primary and secondary, highly suitable beam, is intersected with position, by mutually orthogonal or oblique in same plane
The structural elements that beam is formed.Planar structure span using square formed fences is preferably 8~24m, and two answer equal or phase to span
Closely, 1.5 are should be greater than for orthogonal square formed fences, the long ratio to span and short span, otherwise should be added upwards greatly long
Beam and form two cross beam systems, or using oblique grid cross beam system.Cross beam is a kind of space bar member system,
There is relatively broad application in reinforced concrete structure.When there is Bars In Poured Concrete Slab to be connected with cross beam, the torsional deflection of beam is actual
On it is restrained.Now cross beam can be calculated with two methods.The first is, by the condition space that torsional displacement is 0
Leverage program calculates.Second is to form cross beam with the normal crossing beam of no torsion, it is assumed that only put down perpendicular to cross beam
Limited unique on face, compatibility conditions are equal for the displacement of the lines in each point of intersection cross coupling.The value of cross beam depth of section with
Based on stiffness reliability, in addition to except the short span for considering superstructure and calculating load, it is also contemplated that its periphery supporting beam is antitorque just
The influence of degree.Because the stress and deformation properties of square formed fences are similar to two-way slab, cross beam is twisted into point in itself, therefore preferably
By beam away from control within 3m.
Cross beam can typically press simply supported end calculating.When there is post position on cross beam periphery, cross beam spacing is can adjust to avoid
Post position, area's panel close to post position need to make reinforcement processing, if can not avoid, may be designed to the mutually embedding structure shape of size cross beam
Formula.The supporting square formed fences surrounding of cross beam can be wall support or girder supporting.The situation of wall support
It is the hypothesis condition for meeting calculation chart：The side of cross beam four is freely-supported.When only girder supports, girder should have certain firm
Degree, to ensure that it is definitely indeformable.
If the span of square formed fences both direction, it need to typically control its length span ratio can not be excessive.It is long
Preferably it is less than or equal to 2 no more than 1.5, such as larger than 1.5 across the ratio between span L 2 L1/L2 with short across span L 1, preferably long to span
Middle part sets crossbeam, forms two cross beam systems or uses diagonally disposed cross beam, cross beam can be by 45 ° of oblique cloth of diagonal
Put.The spacing of both direction cross beam can be with equal, can also be unequal.If unequal, it is required that between the beam of both direction
Away from the ratio between a/b=1.0 ~ 2.0.Should be tried one's best in actual design makes a/b be advisable between 1.0 to 1.5, preferably calculates and schemes by cross beam
Ratio in table determines that should consider the requirement of building and structure stress, general value is relatively inexpensive in 1.2~3m, but
No more than 3.5m.Square formed fences strength grade of concrete should be greater than C20, in order to avoid with reduce superstructure coagulation on shrink
Crack, its intensity is unsuitable too high, and C30 is typically preferably used when span is larger.
Technique effect of the present utility model and advantage：The superstructure of the saving construction material, compared with conventional art, this practicality
New saving material, reduces cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is cross beam crossover node reinforcing bar arrangement organigram.
In figure：1 vertical muscle, 2 horizontal bars, 3 stirrups.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model provides a kind of superstructure of saving construction material as shown in Figure 1-2, including vertical muscle 1 and horizontal bar 2,
The vertical muscle 1 and horizontal bar 2 form intersecting parallels superstructure together with intersecting ligation, the vertical muscle 1 in upper cross beam, its cross beam
Stirrup 3 is not provided with crossover node, cross beam of the vertical muscle 1 under, and the stirrup 3 of its cross beam is continuous in crossover node
Set, area's lattice size of intersecting parallels superstructure is less than or equal to 2.5m, and the stirrup of the vertical muscle 1 and the both direction of horizontal bar 2 is no less than
Φ8@100。
Cross beam detailing requiments：
1. suitable for using the building object plane span of square formed fences as 8~24m, and the suitable phase of span value of both direction
Deng or it is close.It is long to be not more than 1.5 to the ratio of span and short span for orthogonal square formed fences, if ratio is more than 1.5
When, Ying Chang sets crossbeam to span middle part, forms two cross beam systems, or the cross beam system using oblique grid.
2. area's lattice size a (a is short area lattice size) and b (b is Chang Xiang areas lattice size) value in square formed fences, should
Considering the requirement of building and structure stress, general value is relatively inexpensive in 2~3m, but no more than 3.5m, the suitable phases of a/b
Deng or close to 1.
3. the strength grade of concrete of square formed fences is not lower than C20.In order to avoid the receipts with reduction superstructure concrete
Draw is stitched, and the strength grade of concrete should not be too high, and C30 is typically preferably used when span is larger.
4. the node of cross beam and side bar preferably uses hinged joint, but the rigidity of side bar is still to sufficiently large, and takes corresponding
Construction measure.According to rigid joint, side bar need to carry out torsional strength and Rigidity Calculation.The depth of section of side bar is more than or waited
In the depth of section of cross beam, and more preferably greater than the 20%~30% of cross beam height.
5. the cross beam or side bar that are connected with post are considered by Vierendeel girder, it is necessary to meet antidetonation stress (bending resistance, shearing resistance and anti-
Turn round) require and relevant detailing requiments.When beam section size is inadequate, deck-molding is constant, can suitably increase deck-siding.
6. square formed fences center pillar should peripherally be arranged, cross beam span is larger according to the use function of building and requirement
When, post should be increased in its span.If continuous square formed fences, and when span is larger, post, the section of post should be arranged at middle part
Antidetonation stress and detailing requiments should be met, column section can be estimated according to axial compression ratio.But center pillar is preferably circular or square column, corner post should
For square column, side column can be rectangular column.
7. cross beam, because seeking internal force using elastic method, deflection value is unsuitable excessive, should control no more than L/300 during design
~L/400 (L is short span).But when superstructure span is larger, during construction can advance arch camber, to reduce scratching for square formed fences
Degree.8. the depth of section of cross coupling in square formed fences, as flooring evenly load q=6~10kN/m2, it can use h=L/15
~L/20 (L is short span).If q>During 10kN/m2, beam section height can be suitably increased.The thickness of two-way slab is unsuitable small
In 90mm.
9. the cross-sectional width b of cross coupling in square formed fences, b=h/ (2 5~3 5) is can use for square-section;T-shaped is cut
Face can use b=h/ (2 5~4 0).Beam section width should also meet the upper and architectural requirement of construction simultaneously.
10. the selection for side bar depth of section, it should be performed by the regulation of single beam, typically desirable h=L/8~L/12
(L is side bar span).Beam cross-section and area's lattice size can be calculated after determining, according to calculated case, pair cross-section remakes suitably
Adjustment.
Bending resistance, shearing resistance, antitorque reinforcing bar all should pass through calculating in the side bars of square formed fences, cross coupling, post and two-way slab
It is determined that.Post and the cross beam being connected with post consider that construction and arrangement of reinforcement should be according to shockproof requirements, by the pertinent regulations of framework by framework
Perform.The arrangement of reinforcement and construction of two-way slab in area's lattice, with the two-way slab in common superstructure.If area's lattice size is less than or equal to
During 2.5m, area's panel reinforcing bar can go up drop-down wildcard and be set to way and double-layer bar-mat reinforcement, but levels reinforcing bar cannot be less than Φ 6
200。
The shear reinforcement of node should calculate configuration, and ensure in the range of one times of depth of beam of beam-ends, both direction
Stirrup is no less than the@100 of Φ 8.
The length that the vertical muscle in cross coupling bottom stretches into side bar should not be less than the least anchorage length La of tension reinforcement.If hand over
When pitching the node of beam and side bar by rigid joint consideration, the length that upper longitudinal bar stretches into side bar also should not be less than the minimum of tension reinforcement
Anchorage length La.
In side bar planted agent by calculating configuration additional antitorque vertical muscle and stirrup, to meet the ductility of side bar and fracture width
Limitation requires.
If cross beam and its peripheral frame are set a roof beam in place, back absolute altitude is identical, answers the reinforcing bar of each beam of integrated planning to arrange.Generally compared with
Long span Vierendeel girder is main frame beam.The upper longitudinal bar of main frame beam and equidirectional cross beam is placed in another direction framework during arrangement
Beam or cross beam top are indulged on muscle with layer；And the cross beam bottom in main frame beam direction indulges muscle and is placed in another direction cross beam
Each same layer in bottom is indulged on muscle.If all directions span is equal, the actual hypothesis main frame beam direction in scene can be combined, in the manner aforesaid
Arrangement Vierendeel girder and cross beam indulge muscle.
Vertical intersection cross beam of the muscle under, its stirrup are continuously set in crossover node；Vertical muscle in upper intersection cross beam,
Its stirrup is not provided with crossover node.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc.,
It should be included within the scope of protection of the utility model.
Claims (3)
1. a kind of superstructure for saving construction material, including vertical muscle（1）And horizontal bar（2）, it is characterised in that：The vertical muscle（1）And horizontal stroke
Muscle（2）Intersect ligation and form intersecting parallels superstructure, the vertical muscle together（1）In upper cross beam, the stirrup of its cross beam（3）
It is not provided with crossover node, the vertical muscle（1）Cross beam under, the stirrup of its cross beam（3）Continuously set in crossover node
Put.
A kind of 2. superstructure for saving construction material according to claim 1, it is characterised in that：The area of the intersecting parallels superstructure
Lattice size is less than or equal to 2.5m.
A kind of 3. superstructure for saving construction material according to claim 1, it is characterised in that：The vertical muscle（1）And horizontal bar
（2）The stirrup of both direction is no less than the@100 of Φ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444153.4U CN206815630U (en) | 2017-04-26 | 2017-04-26 | A kind of superstructure for saving construction material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444153.4U CN206815630U (en) | 2017-04-26 | 2017-04-26 | A kind of superstructure for saving construction material |
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| Publication Number | Publication Date |
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| CN206815630U true CN206815630U (en) | 2017-12-29 |
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| CN201720444153.4U Active CN206815630U (en) | 2017-04-26 | 2017-04-26 | A kind of superstructure for saving construction material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412032A (en) * | 2017-08-22 | 2018-08-17 | 云南省设计院集团 | A kind of basement floor system |
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2017
- 2017-04-26 CN CN201720444153.4U patent/CN206815630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412032A (en) * | 2017-08-22 | 2018-08-17 | 云南省设计院集团 | A kind of basement floor system |
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Address after: 650101 No. 1 Yongjin Road, Xishan District, Kunming City, Yunnan Province Patentee after: Yunnan Design Institute Group Co., Ltd. Address before: 650101 No. 1 Yongjin Road, Xishan District, Kunming City, Yunnan Province Patentee before: Yunnan Design Institute Group |