CN1693618A - Reinforced concrete double-storied floor - Google Patents
Reinforced concrete double-storied floor Download PDFInfo
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- CN1693618A CN1693618A CN 200410090220 CN200410090220A CN1693618A CN 1693618 A CN1693618 A CN 1693618A CN 200410090220 CN200410090220 CN 200410090220 CN 200410090220 A CN200410090220 A CN 200410090220A CN 1693618 A CN1693618 A CN 1693618A
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Abstract
This invention relates to a reinforced concrete double-storied floor slab, it discloses the method of design floor separate board as double-storied structure. The structure is that up and down floor slabs and connecting pieces compose in the same floor slab, there is certain space distant between up and down floor slabs, they are connected by separator connecting pieces. The function of connecting pieces is to connect up and down floor slab to integer structure to make the up and down floor slab work together. Up floor is used as floor ground, and bear floor load, down floor slab is used as roof plate of the first floor, hollow box structure is consisted by up and down floor slabs and the separator. There are holes set on the up and down floor slabs in hollow box, the space between up and down floor slab is an open space, the space can be used to any purpose. Up and down floor slabs are steel concrete structure, separator is concrete or reinforced concrete structure.
Description
The present patent application is dividing an application of " a kind of double-storied floor " (patent application number 200410083078.0).
(1) technical field the present invention relates to a kind of double-storied floor.
(2) background technology is in existing building structure, and floor plate is to adopt the individual layer beam and slab structure mostly, and this structure only has single bearing function, and its interior power transfer mode is: floor load passes to beam by floor, passes to post or wall by beam again.This structure has simplicity of design, the characteristics that are easy to construct.
Raising along with The development in society and economy and people's living standard, people are more and more higher to the requirement of interior design, the ratio of indoor dynamo-electric installation and the shared construction investment of decoration cost increases just gradually, the individual layer beam and slab structure can not satisfy the requirement of people to indoor environment, usually people increase furred ceiling at underfloor and improve and beautify indoor environment, and the effect of furred ceiling has:
1, plays decorative effect,, can design pattern attractive in appearance and come decorative indoor environment by furred ceiling;
2, cover pipeline, pipelines such as illumination, communication and power all can be concealed in the furred ceiling;
3, the ventilation lighting apparatus can be installed on the furred ceiling layer.The bigger hall, the illumination pipeline that ventilates is a lot, is installed in underfloor usually, is sealed decorations with furred ceiling again.
The scheme of above-mentioned this individual layer beam slab+furred ceiling is the method for designing that architecture and decoration separates, promptly carry out the major project design and the construction in building earlier, treat to carry out the design that pipeline is installed and furred ceiling is fitted up according to handling characteristics again after floor slab structure designs and construction finishes, this design scheme has following weak point:
1, when the structure design of floor, do not consider to fit up the needs of moulding and pipeline installation, only consider the stress load problem.The beam that the back underfloor is built up in the building not only can not satisfy the needs of decorating and ventilating, but also influences the installation of pipeline.
2, Decoration Design can not change beam and slab structure, in order to reach good finishing effect, often needs to increase the height of furred ceiling layer, has so just reduced the effective height of indoor floor, reduces and effectively utilizes the space.
3, existing ceiling material is pure ornamental, and intensity is lower, easy deformation, and application life is short, and maintenance load is big in the future.This furred ceiling face can not bear any load, and the above space of furred ceiling face can not make full use of.
4, for large-scale public area, need be at the floor slab structure of indoor employing large span, as adopt existing design scheme, and beam and slab structure+pipeline is installed, and ceiling height takes up room too big.
5, when indoor environment is had relatively high expectations, the indoor equipment layout is complicated, and the installation of these equipment (as equipment such as air-conditioning, illuminations) not only takies more space, and needs a large amount of fund of cost.It is very difficult equipment will to be installed in the underfloor construction.
(3) summary of the invention the objective of the invention is to design a kind of double-storied floor that can satisfy multiple demand.
Implementation of the present invention is designed to double-decker with (intermediate floor or top layer) floor demarcation strip in the building, so-called double-decker refers in same floor by the upper strata floor, lower floor's floor and connector are formed, the upper strata floor is as floor ground and bear floor load, lower floor's floor is then as the top board of next floor, upper strata floor and lower floor's floor are spaced apart, the centre connects with connector, connector is a dividing plate, the effect of connector is that upper strata floor and lower floor's floor are connected and composed overall structure, make, lower floor's floor interaction co-operation, thereby make double-storied floor have bigger bearing capacity, the upper strata floor, lower floor's floor and dividing plate constitute the hollow box body structure, at the upper strata of hollow box body structure floor, give on lower floor's floor or the dividing plate and be provided with hole, upper strata floor and lower floor's floor are reinforced concrete structure, and dividing plate is concrete or reinforced concrete structure.
The above upper strata floor, lower floor's floor and connector constitute no pipeline type floor.
The above upper strata floor, lower floor's floor and connector constitute the pipeline type floor.
The above upper strata floor, lower floor's floor and connector constitute pure pipeline type floor.
The hole of lower floor of the present invention floor or upper strata floor deposits, withdraws the article hole as lamp installation hole, gravity vent, finishing hole or conduct and uses.
Upper strata of the present invention floor, lower floor's floor are latticed local floor.
For the needs on the full function, can also between upper strata floor and lower floor's floor, division wall be set.
The present invention can be applied to the top board (roof panel) or the base plate of building.When being used for roof panel, the upper plate shape of double-storied floor can design according to the needs of roof shape, and the space between the upper and lower floor plate also has function of heat insulation.When being used for building (particularly underground building) base plate, the space between the upper and lower floor plate also has protection against the tide, antiseep effect.
The design of double-deck beam is identical with double-storied floor, and it is made of upper beam, underbeam and connector, and is spaced apart between upper beam and the underbeam, and middle with the connector connection, upper and lower beam and connector constitute overall structure.Put the beams in place and underbeam between the space have specific purposes, comprising line layout, equipment put, vent passageway and do locker room etc., perhaps upper and lower beam and connector are constituted the pipeline type structure.
Below in conjunction with application example to the present invention with being further described:
One, the design of double-storied floor
The method for designing of double-storied floor is: carry out interior design earlier, carry out the structure design of double-storied floor then.
Under normal conditions, the purposes of double-storied floor is that the upper strata floor is made the flooring flat board, and lower floor's floor is made decorative panel, at the interior mounting arrangements pipeline of double-storied floor.
Can follow these steps to design for this double-storied floor:
1, the interior space dimension that at first provides according to architectural design, plane figure and function setting are carried out indoor dynamo-electric design (comprising pipeline designs) and the Decoration Design (comprising the interval design between the upper and lower floor plate) of installing.
2, lower floor's floor design: decorating scheme or function of use according to interior design require design to determine area size, shape and the moulding of lower plate.Lower plate can be the plane, also can be folding face, curved surface or grid (grid); Can be prismatic, also can be variable cross-section.
3, connector design:
Connector can be divided into two types, and a kind of is the function connector, and a kind of is pure structural connection.
Carry out function connector design earlier, according to the space function of use design function connector between the upper and lower floor plate, for example to double-storied floor that air-conditioning requirement is arranged should be earlier according to the trend and cross-sectional sizes design both sides, the air channel dividing plates (connector) of airduct.After the air channel designs, according to other function needs (as fire-fighting smoke evacuation subregion, equipment installation interval etc.) the function connector is set again.Also can design the partial function connector earlier and satisfy needs on the function with the method for replenishing division wall again.
After the function connector designs, according to the additional structural connection that is provided with of the structure stress requirement of double-storied floor.
The essential characteristic of connector is: its position, shape must satisfy function design needs or pipeline installation requirement, has enough intensity simultaneously, can connect and compose overall structure with upper and lower floor plate, make whole floor have enough abilities of bearing design load.
4, upper strata floor design: the shape of upper strata floor and moulding are determined according to the ground fitting case, are generally planar design, when ground (or roofing) design has moulding to need, also upper plate can be designed to different shape, as localized raised or sinking.Thickness of slab is then determined according to stressing conditions, can be prismatic, also can be variable cross-section.
5, at connector or upper and lower floor plate reservation cavity and built-in fitting are set according to electromechanics installation design and comprehensive pipe line arrangement situation.
6, double-storied floor is carried out structure design, determine the sectional dimension and the arrangement of reinforcement layout of upper and lower floor plate, determine the material and the sectional dimension of connector.
Two, the design of double-deck beam
When double-deck beam and double-storied floor cooperatively interact when using, double-deck beam is the part of double-storied floor, and double-deck beam designs with double-storied floor.
When double-deck beam and individual layer floor interconnect when being used, the design of double-deck beam can follow these steps to carry out:
1, the interior space dimension that at first provides according to architectural design, plane figure and function setting are carried out the indoor dynamo-electric design of installing.
2, design synthesis pipe line arrangement situation design connector is installed and is reserved empty size according to electromechanics.
3, double-deck girder construction is carried out mechanics check computation.Determine each several part size and arrangement of reinforcement (comprising joint structure and arrangement of reinforcement).
The middle hole form of double-deck beam selects to depend on pipe line arrangement situation and structure stress requirement, and when pipeline was simple, general needed maximum caliber of estimation and setting height(from bottom), can carry out the structure design of double-deck beam.
Double-deck beam not only will satisfy the carrying demand, but also the installation passage will be provided for the pipeline that passes through.Double-deck beam can also be designed to hollow beam to be made and himself has ventilation function.
Upper and lower beam can be plate-girder, also can be square beam, circular arc type beam or other beams with ornamental moulding, as arched girder.The feature of the connector between the upper and lower beam is identical with the feature of the connector of double-storied floor.
Double-deck beam and double-storied floor can use separately separately, also can interconnect to be used.
Three, the job practices of double-storied floor
Because the double-storied floor design needs to consider load, pipe line arrangement, the difference of factors such as finishing moulding, thereby job practices is also a lot, introduces wherein several below:
1, when the headroom between the double-storied floor is higher, can adopt the formwork erection casting and constructing, promptly first formwork erection construction lower plate, connector of constructing then (dividing plate, column etc.) and upper plate.
2, the headroom between double-storied floor hour, behind formwork erection construction lower plate and connector, upper plate can adopt the superimposed sheet construction technology, promptly remove the template of connector after, precast plate is installed, then assembling reinforcement and fluid concrete on precast plate on connector.
3, the pipeline that needs mounting arrangements in double-storied floor more then should be provided with some construction preformed holes in the upper plate or the lower plate of double-storied floor.Or upper plate or lower plate be designed to fenestral fabric, treat that pipeline installs after, the preformed hole of upper plate is with the precast plate shutoff or adopt the construction of superimposed sheet construction technology, the prepared hole of lower plate is with decorative panel or the shutoff of ornamental strip furred ceiling.
With existing beam slab+furred ceiling floor design scheme contrast, the present invention has following remarkable result:
1, can greatly improve the bearing capacity of floor and the lateral force resistance of building, make the interior space realize the large span leap, improve interior space visual effect; After this floor is built up, can be directly in the interlayer of double-storied floor the various pipelines of mounting arrangements, directly utilize default ventilating duct, perhaps utilize interlayer to deposit, withdraw article, this floor can have multiple use, can save construction costs greatly and speeds up the work.
2, be the enclosure space between original upper and lower floor plate opened in the effect of perforate on the double-storied floor and make it to become open space, with convenient space of using between the upper and lower floor plate, people can be used for various uses with the space between the upper and lower floor plate like this, for example are used to install pipeline, equipment or deposit, withdraw various article etc.
3, the hole offered of upper and lower floor plate can be used for lamp installation, ventilation or uses as the finishing hole, thereby saves the furred ceiling expense.
4, the pipeline floor can save give, the mounting cost of exhaust duct, utilize the concrete airduct between the double-storied floor, sectional area is big, distinguished and admirable resistance is little, safety and long service life.
5, have rational in infrastructure, overall appearance, make full use of the interior space and reduce advantages such as overall cost.
(4) description of drawings
Be that part shape-designing of the present invention is given an example below, with doing to embodiments of the invention:
Fig. 1 is a pipeline type double-storied floor design diagram, and Figure 11 is the A-A sectional view of Fig. 1.
Fig. 2 is the double-storied floor design diagram of pure pipeline type, and Figure 12 is the D-D sectional drawing of Fig. 2.
Fig. 3 is no pipeline double-storied floor design diagram, and Figure 10 is the B-B sectional view of Fig. 3.
Fig. 4 connects the double-storied floor schematic diagram of part for adopting column.
Fig. 5 is double-deck roof panel design diagram.
Fig. 6 is the double-storied floor design diagram with decorative model, and Fig. 9 is the upward view of Fig. 6.
Fig. 7 is the double-deck girder construction schematic diagram with cross through hole.
Fig. 8 is the double-deck girder construction schematic diagram with pipe tunnel.
(5) specific embodiment
1, pipeline type double-storied floor such as Fig. 1 and shown in Figure 11, upper strata floor 1 and lower floor's floor 2 usefulness connectors 3 connect and compose pipeline configuration, upper strata floor, lower floor's floor and dividing plate constitute the hollow box body structure, on lower floor's floor 2 of hollow box body structure, be reserved with light fixture mouth and air port installing hole 7, can design preformed hole or service sleeve on the connector 3.
Its design procedure is as follows:
1. the design of lower plate 2: because indoor furred ceiling moulding simple (adopting dull and stereotyped furred ceiling), so directly on lower floor's floor 2, carry out the furred ceiling Decoration Design, design reservation light fixture mouth 6 and air port installing hole 7.
2. the design of connector 3: both sides, air channel partition wall is designed to connector, should considers during design that passing through of other pipeline reserve cavity and built-in fitting.
3. structure design: this double-storied floor is by the one-way slabs design, upper and lower floor board type can be selected flat board, thickness of slab and arrangement of reinforcement are determined in analysis according to structure stress, the height of double-storied floor is to satisfy pipeline to install, reach the minimum constructive height that structure stress requires, so the double-storied floor height can be drafted according to the pipeline setting height(from bottom) earlier.
4. job practices:
A, when the headroom between the double-storied floor is higher, can adopt the formwork erection casting and constructing, both first formwork erection construction lower plate 2, construct then dividing plate 3 and upper plate 1.
B, the headroom between double-storied floor are hour, behind formwork erection construction lower plate 2, dividing plate 3, upper plate 1 adopts the superimposed sheet construction technology, promptly remove partition template after, precast plate about installation 5cm on the dividing plate 3 is thick, assembling reinforcement and fluid concrete on precast plate then.
2, the double-storied floor of pure pipeline type structure such as Fig. 2 and shown in Figure 12, upper strata floor 1 is a floor plate, lower floor's floor 2 is all formed airduct passage 9 with connector 3 and part upper strata floor 1, upper strata floor, lower floor's floor and dividing plate constitute the hollow box body structure, have several air ports at lower floor's floor 2 of hollow box body structure.
This pipeline type structure can be used as vent passages or is used to install other pipelines.When the pipe arrangement rule, promptly form the pipeline type Mechanical Builds, the cross sectional shape of pipeline is not limit, and can be designed to moulding such as trapezoidal, semi-circular.When pipe arrangement was irregular, the area of the lower floor's floor 2 that can extend made regular shape, or designed the furred ceiling face below the pipeline type structure.
Similarly, when this pipeline type structure is used for ground spacing or roof panel, then lower floor's floor 2 is designed to flat board, upper strata floor 1 only narrows down to and constitutes the pipeline type structure with connector 3 and part lower plate 2, this pipeline type structure both can improve the floor bearing capacity, can satisfy the function of use requirement again, for example be used for ventilating, pipeline, equipment be installed or are had ornamental.
3, no pipeline type double-storied floor design is as Fig. 3, Figure 10 and shown in Figure 4, upper strata floor, lower floor's floor and dividing plate constitute the hollow box body structure, have decoration hole 5 on lower floor's floor 2 of hollow box body structure, connector 3 fuses upper strata floor 1 and lower floor's floor 2.
Its design procedure is as follows:
1. lower plate 2 design: when the furred ceiling moulding is complicated, adopt other ornament materials to understand better with the furred ceiling scheme effect that ornamental lower floor floor 2 combines.Therefore can carry out indoor furred ceiling Decoration Design earlier, it is more economical, practical to determine then that in whole furred ceiling decorating scheme those several parts are showed the finishing intention by lower floor's floor 2, for example on lower floor's floor 2, be provided with and decorate preformed hole 5, adopt other finishing materials (as metallic grid) furred ceiling again.
2. the design of connector 3: connector 3 should select for use dividing plate (as Figure 10) or column (as Fig. 4) that upper strata floor 1 and lower floor's floor 2 are connected into overall structure according to the pipe line arrangement situation.The layout of connector 3 should be considered situations such as the size of pipeline and trend, answers root pipe line arrangement reserving hole when selecting dividing plate for use.The form of connector 3 can be various.
3. structure design: this double-storied floor is pressed the two-way slab design, and upper and lower floor board type can be selected flat board, and thickness of slab and arrangement of reinforcement are determined in analysis according to structure stress.The height of double-storied floor is to satisfy pipeline to install, reach the minimum constructive height that structure stress requires, so the double-storied floor height can be drafted according to the pipeline setting height(from bottom) earlier.
4, double-deck roof panel design as shown in Figure 5, top plate 1 lobed moulding, top plate 1 is connected with lower plywood 2 usefulness dividing plates 3, upper strata floor, lower floor's floor and dividing plate constitute the hollow box body structure, lower plywood 2 is a plane structure, and the space between the upper and lower laminate can be used for crossline and have heat-blocking action.
5, has the double-storied floor design of decorative model as Fig. 6 and shown in Figure 9.Lower floor's floor 2 and connector 3 have decorative model.
7, as shown in Figure 7, upper beam 1 and underbeam 2 usefulness connectors 3 connect and compose the double-deck girder construction with cross through hole.
8, as shown in Figure 8, upper beam 1 and underbeam 2 usefulness connectors 3 connect and compose the double-deck girder construction of pipeline type.When being used to ventilate, underbeam 2 or connector 3 can be reserved the air port.
Claims (6)
1, a kind of reinforced concrete double-storied floor, as the demarcation strip between the floor, it is characterized in that floor has double-decker, in same floor by the upper strata floor, lower floor's floor and connector are formed, the upper strata floor is as floor ground and bear floor load, lower floor's floor is then as the top board of next floor, upper strata floor and lower floor's floor are spaced apart, middle connector with dividing plate connects, the effect of connector is that upper strata floor and lower floor's floor are connected and composed overall structure, the upper strata floor, lower floor's floor and dividing plate constitute the hollow box body structure, at the upper strata of hollow box body structure floor, give on lower floor's floor or the dividing plate and be provided with hole, upper strata floor and lower floor's floor are reinforced concrete structure, and dividing plate is concrete or reinforced concrete structure.
2, double-storied floor according to claim 1 is characterized in that upper strata floor, lower floor's floor and dividing plate constitute no pipeline casing floor.
3, double-storied floor according to claim 1 is characterized in that upper strata floor, lower floor's floor and dividing plate constitute the hollow pipe structure.
4, double-storied floor according to claim 1 is characterized in that upper strata floor, lower floor's floor and dividing plate constitute pure pipeline configuration.
5, double-storied floor according to claim 1 is characterized in that upper strata floor, lower floor's floor are netted local floor.
6, double-storied floor according to claim 1 is characterized in that the hole of lower floor's floor or upper strata floor deposits, withdraws the use of article hole as lamp installation hole, gravity vent, finishing hole or conduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410090220 CN1693618A (en) | 2000-03-07 | 2000-03-07 | Reinforced concrete double-storied floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410090220 CN1693618A (en) | 2000-03-07 | 2000-03-07 | Reinforced concrete double-storied floor |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200410083078.0 Division | 2000-03-07 |
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| CN1693618A true CN1693618A (en) | 2005-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410090220 Pending CN1693618A (en) | 2000-03-07 | 2000-03-07 | Reinforced concrete double-storied floor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127942A (en) * | 2010-01-13 | 2011-07-20 | 张永清 | Energy-saving earthquake-resistant cored beam-free building floor slab |
| CN108978969A (en) * | 2018-10-06 | 2018-12-11 | 彭国洪 | The floor layer of bilayer model casting foamed cement |
| CN109208800A (en) * | 2018-08-05 | 2019-01-15 | 吕辉 | The large span hollow support formula double-layer hollow building cover board of modularization assembling |
| CN115095075A (en) * | 2022-07-28 | 2022-09-23 | 成都市建筑设计研究院有限公司 | Irregular curved surface concrete floor slab capable of accommodating equipment pipeline |
-
2000
- 2000-03-07 CN CN 200410090220 patent/CN1693618A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127942A (en) * | 2010-01-13 | 2011-07-20 | 张永清 | Energy-saving earthquake-resistant cored beam-free building floor slab |
| CN109208800A (en) * | 2018-08-05 | 2019-01-15 | 吕辉 | The large span hollow support formula double-layer hollow building cover board of modularization assembling |
| CN109208800B (en) * | 2018-08-05 | 2021-05-07 | 吕辉 | Modular assembled large-span hollow support type double-layer hollow floor slab |
| CN108978969A (en) * | 2018-10-06 | 2018-12-11 | 彭国洪 | The floor layer of bilayer model casting foamed cement |
| CN115095075A (en) * | 2022-07-28 | 2022-09-23 | 成都市建筑设计研究院有限公司 | Irregular curved surface concrete floor slab capable of accommodating equipment pipeline |
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