CN101454519A - Planar concrete supporting structure and method of producing it - Google Patents
Planar concrete supporting structure and method of producing it Download PDFInfo
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- CN101454519A CN101454519A CNA2007800199831A CN200780019983A CN101454519A CN 101454519 A CN101454519 A CN 101454519A CN A2007800199831 A CNA2007800199831 A CN A2007800199831A CN 200780019983 A CN200780019983 A CN 200780019983A CN 101454519 A CN101454519 A CN 101454519A
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Abstract
A planar concrete supporting structure, in particular a reinforced-concrete supporting structure, such as a reinforced-concrete floor, characterized by the combination of the following features: a concrete slab (1), the thickness (D) of which is less than the overall thickness of the concrete supporting structure and intersecting ribs (2) which are each connected with an end region (3) to the concrete slab (1) in a force-transmitting manner and project freely upwards from the concrete slab (1), i.e. without being integrated in a further supporting surface structure, wherein their top end regions (4) are designed to absorb compressive and/or tensile forces and wherein the ribs (2) are each connected to one another in a frictional manner at the intersection points (9) and their regions lying in each case between the top and bottom end regions (3,4) have at least one aperture (6).
Description
Technical field
The present invention relates to a kind of planar concrete bearing structure, especially steel-concrete-supporting construction as steel-concrete-ceiling and a kind of be used to make as described in the method for concrete bearing structure.
Background technology
In builing industry, concrete is only material undisputedly, is used to provide the planar supporting construction of arbitrary shape.The structure of steel concrete ceiling is extremely simple and economical in addition.
The architect is ready to use flat ceiling especially, because view allows laying-out simply under the ceiling of these flat ceiling Yin Pingtan.Only need solid core for reinforcing.These flat ceilings can be configured to have the ceiling (GB 1 284 402 A) of full cross section, hollow ceiling (DE 4 113 028 A1) or have the ceiling that is located at the reinforcement on the pillar.Described ceiling with full cross section is made of cast-in-situ concrete or the prefabricated ceiling of part (basic ceiling).Because deadweight almost accounts for 50% of ceiling load,, people make hollow ceiling so transferring to gradually.Hollow body can be in manufacture process (hollow corridor ceiling) or when concreting, make by replacement (such as EP 1 350 898 A1).Can enlarge span by minimize weight.Under the situation of the ceiling of supposing 25 cm thicks, the deadweight (the hollow corridor of Cobiax-ceiling) that can save 35-45% with respect to ceiling with full cross section.
For ceiling system, requirement obtains large span with the minor structure height, require to make fast and simply, requirement has extraordinary performance in fire prevention, protection against the tide and sound insulation field, and requires attracting outward appearance, a spot of maintenance and maintenance cost, high flexibility and other more advantages.But not only will in manufacture process, note flexibility, and ceiling should not lost flexibility yet in the whole use duration.The always integrated again and again new equipment that also must in ceiling system, occupy locational space in the building.Begin on energy, data and communication line about heat exchanger and air-conditioning equipment, the parts of described heat exchanger and air-conditioning equipment and circuit must occupy locational space in described ceiling structure.In addition, concerning the installed part in future, also should replenish equipment simply.In order to guarantee this possibility, the ceiling that double walled floor system or suspention are installed is known, because also can change mode of occupation simply afterwards with these members.But the such double walled floor system or the ceiling of suspention cause the higher thickness of ceiling.
Summary of the invention
Task of the present invention is that the structure of described supporting and the advantage of double walled floor are combined.Special duty of the present invention is, can settle supply line simply and reduce the gross thickness of ceiling thus, thereby when building given in advance height bigger floor number can be set.In addition, when supporting force is identical, can obviously save deadweight with respect to known structure by structure of the present invention.Should save material thereupon and also reduce the work that drop into.
By the present invention, this task is resolved by following combination of features:
-concrete slab, its thickness is lower than the gross thickness of described concrete-supporting construction, and
-cross one another rib, described rib transmits power ground with a corresponding end regions and described concrete slab and is connected, and under freely that is to say situation the surface texture that does not embed other supporting, described concrete slab upwards towers, the top end regions of wherein said rib is configured to bear the structure of pressure and/or pulling force and wherein said rib to carry out power transmission each other and connects on intersection point, at least carry out power transmission with the end regions above it or rather and connect, and
-described rib correspondingly be in end regions above described and the zone between the following end regions has at least one breach.
By the present invention, a thin concrete slab only is set.Rib intersected with each other is set in the above, and pressure and pulling force are in case of necessity born in described rib concentrated area.Structure by this decomposition has significantly reduced deadweight (greater than 55%) and vacated big space extraly in described supporting construction.Described empty space can be used for the erection equipment of any type; From the electronic circuit to the supply line until ventilating and the air conditioning pipeline.Because described rib has the space, such as being configured to the truss type, so circuit and pipe can extend to next ceiling interval from a ceiling interval without a doubt.Replacement is installed in erection equipment usually in the baseplate zone or with these erection equipments and is fixed on the ceiling with the dowel pin nail, described circuit can be inserted in the described supporting construction.If settle big cross section, so described supporting construction just becomes higher, also can enlarge the span of described supporting construction thus.Replace providing the track plan of self, can utilize the height of described supporting construction.Reduce whole heights of ceilings thus.But except the unification on described supporting construction plane and erection equipment plane, most important advantage is the flexibility of system.Because at first only narrow rib is considered to be used for bearing value, so between it ceiling can be installed, described ceiling can be pulled down at any time, because these days, card was not used in supporting role such as ceiling.These days, card can be traditional double walled floor member, had accumulated experience for a long time with described double walled floor member people.In this system, still there is the flexibility of use thus in whole length of life.Lay or laying installation equipment again if change, that just removes to remove ceiling with hand and puts once again, and can't see any variation after laying task.
The preferred variation scheme obtains definition in the dependent claims.
In addition, the present invention proposes such task, promptly further improves such planar concrete-supporting construction, makes it to make especially simply, is used for making by making of half prefabricated component or rather.Can save the connection operation and the template operation (Schalungsarbeit) of trouble thus at the construction field (site).
By the present invention, this task is resolved in the following manner, and promptly described concrete slab has at least two half precast plates that directly are arranged side by side, and the concrete pavement that described half precast plate is provided with reinforcing rib covers and carries out power transmission with it and connects.
Open, connect half precast plate by the reinforcing rib joint or the prestressing of welding, being threaded, watering in the groove (Vergusstaschen).But these link techniques produce very high expense at the construction field (site), wherein for also must carry out enough accurate operation from one and half precast plate power transmissions to next piece half precast plate.
Unique distinction of the present invention is, can realize the simple connection of described half precast plate by the concrete pavement that is provided with reinforcing rib, this link technique can be regarded as the standard in the concrete structure, but wherein this method of attachment only is used to set up the connection of described half precast plate, rather than is used to make the monoblock concrete slab as usual.
According to one preferred embodiment, the weight of described rib drops on half precast plate with bottom parts, is surrounded by described concrete pavement around the wherein said bottom parts.
Advantageously, the reinforcing rib of described concrete pavement passes the breach of described rib.
Another preferred embodiment is characterised in that, the bottom parts of described rib is fixed in the described concrete pavement by means of reinforcing rib, wherein advantageously the bottom parts of described rib is fixed in described half precast plate by means of reinforcing rib, and advantageously described in addition rib and half precast plate have common reinforcing rib.
Preferred described rib is configured to semiproduct with half precast plate, and described thus rib no longer must carry out the template operation at the construction field (site).
In other words by the requirement to bearing value, described breach can be dispersed or restrain from top to bottom by the requirement of the circuit in the ceiling that described breach just remained be laid in.
If described concrete-supporting construction is bearing on the pillar, it is characterized in that so, advantageously the board member that lies on this pillar is being set above the pillar, wherein be provided with the outward extending rib in star ground diametrically from the center that is in described pillar top, described rib is being connected on the edge side of described board member on the rib of adjacent member, the rib that wherein advantageously described star ground extends is provided with reinforcing rib, and this reinforcing rib is connected on the reinforcing rib of adjacent member or changes the reinforcing rib of adjacent member gradually into.
For raising lies in the rigidity of the board member on the pillar, the rib that star ground is extended is connected with rib along the circumferential extension of described board member.
A main aspect of the present invention is that described concrete pavement together works on statics, wherein, its reinforcing rib surpasses one and half precast plates and extends at least one adjacent the second half precast plates.
The thickness of preferred described half precast plate is between 2 and 20 centimetres, be in especially between 4 and 16 centimetres, and the thickness of described concrete pavement is between 2 and 20 centimetres, preferably is between 4 and 8 centimetres.
A kind of preferable methods that is used to make by concrete bearing structure of the present invention is characterised in that, setting up the modular shuttering element that is used for making the rib moulding and described concrete bearing structure on the described concrete slab by reinforcing rib being laid in for the cavity between the wall body that is in described modular shuttering element of described rib setting and watering this cavity with concrete and make.
Another kind of when making by concrete bearing structure of the present invention favourable processing mode be characterised in that, on the reinforcing rib that is arranged on half precast plate, vertically set up the tabular member of thin-walled, build concrete pavement that described half precast plate is covered and subsequently the space between will tabular member under the situation that forms rib at described thin-walled with concrete clog.
A kind of special effective method that is used to make the concrete bearing structure is characterised in that, described half precast plate is made in prefabricated component factory with disposed thereon rib body, wherein said rib body has and is in top groove or is configured to hollow, these half precast plates are transported to job site and correct position ground be placed on the there according to the building that remains to be built, the reinforcing rib that will extend at least two half adjacent precast plates is placed on described half precast plate and reinforcing rib in the cavity of the rib body extend to half adjacent precast plate is set in the cavity of described rib body subsequently, with after-applied concrete pavement and to described rib body placing of concrete.
Description of drawings
By means of various embodiments the present invention is explained in detail below.Wherein:
Fig. 1 and 2 is the signal inclination sketch of the ceiling of twin shaft tensioning,
Fig. 3 is the vertical view of such ceiling,
Fig. 5 and 6 is the cross sections in the scheme shown in Fig. 1 and 2,
Fig. 7 to 10 is sections of the different structure of rib, and
Figure 11 to 14 is by the different supporting type of steel-concrete-structure of the present invention and affiliated section parameter chart,
Figure 15 and 16 is the base plates that are used for by ceiling of the present invention,
Figure 17 is the flexible program that is made of prefabricated component by concrete bearing structure of the present invention,
Figure 18 is the section by the lines XVIII-XVIII of Figure 17,
Figure 19 is the vertical view of flexible program shown in Figure 17,
Figure 20 is the section by the lines XX-XX of Figure 19,
Figure 21 has reproduced the details of Figure 20 with the scale that amplifies,
Figure 22 to 25 is respectively the inclination sketch of a kind of embodiment in the different fabrication stages,
Figure 26 is a lateral view, has drawn the position of reinforcing rib in this lateral view,
Figure 27 is the vertical view of the planar concrete bearing structure that is comprised of multiple members,
Figure 28 and 29 also be in the different fabrication stages by the section of the lines VII-VII of Figure 27,
Figure 30 and 31 is schematic diagrames that are similar to Figure 29 of other embodiment,
Figure 32 is the section by the lines XI-XI of Figure 27,
Figure 33 to 36 is respectively the vertical view of the details of described concrete bearing structure.
The specific embodiment
Basically be made of concrete slab 1 by planar concrete bearing structure of the present invention, rib 2 upwards towers from this concrete slab 1.These ribs 2 below the 3-of one end thereof zone, be also referred to as respectively bottom parts-with described concrete slab 1 transmission power be connected, and these ribs 2 freely upwards tower with the end regions above it 4, that is to say that they are as embedding such as the common way on hollow ceiling in any other surface texture of supporting.These ribs 2 bear pressure and/or pulling force with the end regions above it 4, and can constitute intentinonally on the end regions on these thus, such as having upper chord 5.Between the end regions 3 below being fixed in the described concrete slab 1 to end regions 4 on described and transmission power, described rib 2 is provided with breach 6.Obtain such possibility thus, the interval that just will be limited by described rib 27 couples together by circuit, that is to say from interval 7 to interval 7 laying-outs.
Fig. 1 and 2 shows as embodiment and is bearing in the vertical pillar ceiling on the pillar 8 in other words, and can find out each interval 7 that is limited by described rib 2.Relate to the ceiling of twin shaft tensioning at this.
Described rib 2 is preferably all equally high, and in the concrete bearing structure of twin shaft tensioning preferred arranged at right angles each other.Can certainly otherwise arrange described rib 2 according to the plan view shape of the concrete bearing structure that remains to be constituted.
On the intersection point 9 of described rib 2, these ribs 2 transmit power ground each other and connect such as carrying out power transmission, and are so same on the supporting strap 10 of the qualification ceiling of Cun Zaiing where necessary.Such supporting strap can be similar to described rib 2 and constitute.
Fig. 1,5 and 8 shows the rib 2 of the dividing plate 11 with full surface, wherein has at least one breach 6 under the situation of the end regions 4 of every rib 2 on reservation is described, this breach 6 preferably is stretched over upper sides of described concrete slab 1 always, thus laying-out under situation about being put on the described concrete slab 1 easily.
Fig. 2 shows the rib 2 by the type of the shelf structure that spreads out, and wherein brace 12 puts in the described concrete slab 1 and transmission power ground is connected with described concrete slab 1 from upper chord 5 beginning of described rib 2 always.Certainly, described brace 12 can be from described upper chord 5 one lower chord through to self and described lower chord transmit power ground and be connected with described concrete slab 1.
Fig. 7 to 10 shows the different structure of described rib 2.For example Fig. 7 shows a kind of rib 2, and the brace of this rib 2 12 is made of steel pipe, and described steel pipe is cast in the concrete slab 1 that is provided with reinforcing rib 13.The upper chord 5 of described rib 2 is made of the shaped steel 14 that is open upwards, the reinforcing rib 15 and fill in cast-in-situ concrete 16 to this cavity of wherein packing in the cavity that opens wide of described shaped steel 14.
Fig. 8 shows a kind of rib 2, and this rib 2 is made by concrete fully and the end regions 4 above it is provided with reinforcing rib 15-equally and reinforces by means of clip 15 '.This root rib 2 is cast in the concrete slab 1 that is provided with reinforcing rib 13 and preferred and described concrete slab 1 is made simultaneously.
Fig. 9 shows the prefabricated rib of being made by concrete 2, be provided with the cavity that is open upwards in the at first superincumbent end regions 4 of this rib 2, the end regions above this is being put into after being arranged in described rib 2 on the unshowned template under the situation of reinforcing rib 15 and is being watered with concrete 16.Described rib 2 is made as half prefabricated component in advance and carries out power transmission by means of cast-in-situ concrete with described concrete slab 1 and is connected, and described concrete slab 1 has reinforcing rib 13 equally, and this reinforcing rib 13 passes the lateral clearance 18 of described rib 2.
Figure 10 shows the rib 2 that similarly is made as half prefabricated component in advance, and wherein said concrete slab 1 is by the prefabricated single member 1 ', 1 on the flange in the bottom 17 that lies in described rib 2 " constitute.Reinforcing rib is being arranged on described single member 1 ', 1 " go up after; cast-in-situ concrete 16 is applied to these single members 1 ', 1 " on, constitute the gross thickness of described concrete slab 1 thus, and described rib 2 is carried out power transmission with described concrete slab 1 be connected.For reinforcing, described rib 2 is provided with the lateral clearance 18 of therefrom being passed by described reinforcing rib 13, and described reinforcing rib 13 also stretches in the described cast-in-situ concrete.In addition, according to Figure 10, the following end regions 13 of described rib 2 is also strengthened with reinforcing rib 15.
Figure 11 to 13 shows dissimilar by the structure of concrete bearing structure of the present invention, this concrete bearing structure is protruding according to Figure 11 or rather, be bearing on the two butt columns 8 according to Figure 12, be bearing on three pillars according to Figure 13, wherein added the moment chart for every accompanying drawing, by pulling force and/or the pressure that occurs in the above the end regions 4 in other words on the upper chord 5 of described rib 2 has been shown in this moment chart, this is respectively evenly distributed load to be loaded or rather.As can be seen, not only be suitable for cantilever, and be suitable for having the single span plate (Einfeldplatte) or the twin spans plate (Zweifeldplatte) of intermediate supports by structure of the present invention.
Figure 14 shows the embodiment that has the framework effect in the zone line of described structure, should only in this zone line, transmit small lateral force at this, more properly this is for the single span plate, and wherein Shang Mian chart shows the moment variations curve and the following chart that are used for evenly distributed load and shows the lateral force change curve that is used for evenly distributed load.This flexible program is provided at the such advantage of generation is very big between span centre breach 6, and this has also realized especially easily laying bulky circuit or groove on described concrete slab 1.
Figure 15 and 16 shows in the configuration by concrete bearing structure upper plate 19 of the present invention, and wherein Figure 15 shows a kind of flexible program, will directly be bearing in by the base plate 19 of double walled floor type on the described rib 2 in this flexible program.Figure 16 shows a kind of flexible program, will be equally be bearing on the described concrete slab 1 by the base plate 19 of the type of double walled floor according to this flexible program.
In addition for purposes of the invention importantly, described concrete slab 1 has thickness D, and this thickness is significantly less than the gross thickness of described concrete bearing structure, and the thickness D maximum of preferred described concrete slab is approximately 1/3rd of described concrete bearing thickness of structure.In pressing concrete bearing structure of the present invention, for erection equipment provides about 50 to 85% of ceiling cross section; Such as the gross thickness of described structure is that the thickness D of 40 centimetres and described concrete slab 1 is approximately 6 centimetres.
Described rib 2 or at least its upper chord 5 can constitute by the concrete of high-intensity superhigh intensity in other words.At this, high-intensity concrete is to have 60 to 120N/mm
2The concrete of compressive strength, the concrete of superhigh intensity is to have to be in 120 and 250N/mm
2Between the concrete of compressive strength.
Advantageously, the upper chord 5 of also giving described rib 2 in other words in case of necessity for described concrete slab 1 sets the reinforcing rib or the fiber reinforced material of steel reinforcing rib 15, weaving.
As especially can be as seen from Figure 25, described concrete slab 1 constitutes by being in half following precast plate 21 and disposed thereon the concrete pavement that is provided with reinforcing rib 23 22.Described half precast plate 21 is provided with reinforcing rib 24 equally.Preferred described rib 2 has reinforcing rib 25 equally, and this reinforcing rib 25 stretches into and is fixed in described half precast plate 21.The reinforcing rib 25 of described rib 2 illustrates with lateral view in Figure 26, but then illustrates with the inclination sketch under the situation of rib not having in Figure 23.
Figure 22 shows described half precast plate 21 together with the hollow rib body 26 that is fixed on by described reinforcing rib 25 on this half precast plate 21, and described hollow rib body 26 is by concrete shell (Betonschalen) formation and be provided with reinforcing rib 25.Half precast plate 21 with hollow rib body 26 like this is semiproduct, and these semiproduct can be particularly advantageous for making by planar concrete bearing structure of the present invention.These semiproduct are advantageously made in factory, just make away from the job site that will build described concrete bearing structure.
Figure 24 shows the layout of the reinforcing rib 23 that is used for described concrete pavement and the reinforcing rib 27 of the cavity of the described rib body 26 that is laid in that the rib 2 of half adjacent precast plate 21 is coupled together.Describedly be arranged on reinforcing rib 23 on half precast plate as extending on the concrete bearing structure in whole planning in other words such as same at least two half precast plates 21 that directly are arranged side by side, the extension shown in Figure 27.
The semiproduct 21 that will constitute described concrete bearing structure by profile such as after being arranged on the described pillar 8-as shown in Figure 27-and with described reinforcing rib 23 in other words 27 be laid on half precast plate 21 to be connected and the cavity of the channel form of described rib body 26 in after, placing of concrete in described rib body 26, and cover all half precast plates 21 with concrete pavement 22, thus last produce as among Figure 25 with half single precast plate 21 but the concrete bearing structure illustrating with half precast plate 21 placed side by side among Figure 25 to 31.At this, described bottom parts 3 by concrete pavement 22 center on that is to say besieged, but aspect height as Figure 30 and the same stretching out shown in 31 above this concrete pavement 22.
According to flexible program shown in Figure 29, described rib 2 directly stretches in the described concrete pavement 22 with bottom parts 3.But, extend to the level 28 of described concrete pavement 22 tops according to the described bottom parts 3 of Figure 30, make described bottom parts 3 not only be subjected to the load of lateral force but also be subjected to bend loading.Obtain the bigger breach of cross section 6 thus.
Figure 31 shows a kind of flexible program, and according to this flexible program, with opposite at the flexible program shown in Figure 28 to 30, the breach of described rib 26 is not to broaden but narrow down towards the direction of described concrete pavement 22 just downwards.Described bottom parts 3 for reinforcing rib 23 standards be set on described half precast plate and have opening 31, then after described concrete pavement 22 is set, clog described opening 31 with concrete.
As can be as seen from Figure 27, the concrete bearing structural frame that is made of ten semiproduct be on four pillars 8 that are arranged in the center between the rib intersected with each other 2.Shown in figure 32, with concrete casting this in the zone that is in above the described pillar 8 between the described rib 2.According to Figure 33 to 36, be provided with the rib 29 of star arrangement between the described the rib 2 and zone above described pillar 8, this rib 29 is provided with reinforcing rib 27 equally, wherein as shown in Figure 33, described rib 2 and 29 reinforcing rib 27 surpass these zones and extend to next half precast plate 21 from one and half precast plates 21 always.According to Figure 34, described rib 2 and 29 reinforcing rib 27 are connected to each other by means of reinforcing rib joint 30.Described to be arranged in reinforcing rib in the rib that star is provided with preferably fixing such as being welded on the steel member that is arranged on center, described pillar 8 top as on the steel plate, and wherein said reinforcing rib 27 is includable equally.
The thickness of described half precast plate 21 advantageously is between 2 and 20 centimetres, preferably is between 4 and 6 centimetres; The thickness of described concrete pavement is between 2 and 20 centimetres, preferably is between 4 and 8 centimetres.Connect each half precast plate 21 in simple mode by the reinforcing rib 23 in the described concrete pavement 22 that is laid in thus.
Different flexible programs is suitable for making by concrete bearing structure of the present invention, can constitute by cast-in-situ concrete such as described concrete slab 1, and the brace 12 of described rib 2 and upper chord 5 are configured to have in described brace 12 and upper chord 5 or not with the prefabricated member of placing of concrete.In this case, described brace 12 and upper chord 5 can be used as template, and reinforcing rib 15 is inserted in the described template, give described brace 12 and upper chord 5 placing of concrete subsequently.If described brace 12 is made of steel concrete or steel, so also can only described upper chord 5 be used as template, reinforcing rib 15 is inserted in the described template and to it pour into a mould.If described brace 12 is made by steel concrete or steel and described upper chord 5 only is made of steel, that just is connected described upper chord 5 with the method for attachment of steel work with described brace 12.
In addition, can be made of prefabricated component fully by concrete bearing structure of the present invention, described prefabricated component is connected under the situation that reinforcing rib is set in advance in case of necessity with cast-in-situ concrete each other, connects thereby produce power transmission between single member.Illustrate already as mentioned, described concrete slab 1 also can be configured to half prefabricated component 1 ', 1 "; reinforcing rib 13 is put into described half prefabricated component 1 ', 1 " on, embed at the same time subsequently under the situation of following end regions 3 of described rib 2 with cast-in-situ concrete 16 pourings.Thereby in this case, by being arranged on described half prefabricated component 1 ', 1 " on cast-in-situ concrete 16 make described concrete slab 1 (with reference to Figure 10), wherein also described upper chord 5 should be carried out power transmission and connect.
The known method that is used for the prestressing of concrete bearing structure can be advantageously utilised in by concrete bearing structure (prestressing under the situation that produces complex (Verbund) afterwards of the present invention, prestressing under the situation of no complex, the prestressing force testing counter prestressing of prefabricated component, the outside prestressing on described rib next door).
According at the flexible program shown in Figure 17 to 21, show a kind of concrete bearing structure, this concrete bearing structure is by prefabricated component F ', F placed side by side " constitute.Described prefabricated component F ', F " in each all have concrete slab 1 and rib 2, described rib 2 in shown embodiment-because relate to the structure-layout intersected with each other of twin shaft tensioning.
Described concrete slab 1 correspondingly is made into integration with described rib 2, makes with maximum specification or rather, thereby can transport described prefabricated component F ', F with load-carrying vehicle ".Now in order to make concrete structure with large span, with described prefabricated component F ', F " be arranged side by side and be connected to each other, wherein connect described prefabricated component F ', F by watering joint filling 20 and below the reinforcing rib 15 of tensioning, being called prestressed element 15 on the other hand on the one hand ".Arranging described prefabricated component F ', F " penetrate described prestressed element 15 by being arranged on these grooves that are used for the prefabricated component of prestressed element during fabrication afterwards; or rather preferably as Figure 21 and the same processing the shown in 22; according to this flexible program, described prestressed element 15 is in the tensile region of described concrete bearing structure.
Advantage by concrete bearing structure of the present invention is as follows:
Supporting structure
-deadweight reduces above 55% (with respect to full cross section).
-almost the whole height of described structure may be used to erection unit.
Make
-each member can be used as prefabricated component manufacturing. As connector working pressure interface (
) and placing concrete and prestressed element or concrete topping.
-therefore only must build a small amount of concrete at the construction field (site).
-do not need or only need a small amount of template operation.
-saved the material of activity duration and installation and need still less auxiliary material for the manufacture of.
Erection unit
-put into simply erection unit, do not need to fix.
-at any time can touch erection unit from base plate.
-can there be laying-out in the situation of technical supplementary means. After completion Put ceiling.
Ceiling
-can use the ceiling that is proven of double-deck bottom board system.
-see from the statics eye not need thick and heavy concrete slab, because span is little.
Architectural physics
-improved sound insulation by the elastomer bearing,
-quality-spring-quality-spring-quality system (Masse-Feder-Masse-Feder-MasseSystem),
-improve soundproof effect by cavity,
-guarantee flameproof effect by the thin concrete slab on the downside.
In change afterwards reinforcing during operating position
-can reinforce apart from each other pressure area and tensile region and push away according to the operating position that changes Power connects (Schubverbindung).
-reinforcing only comprises a zone of selecting.
-do not affect the appearance.
-neighbours are influenced hardly.
Economy
-produce by littler deadweight, shortening and the quality assurance of building time,
-can transform operation with small expense at any time.
Flexibility
-can be by removable ceiling at any time near erection equipment.
The parts of-all supportings can individually and obtain reinforcing on any position independently of each other.
-traditional spacing part in no longer engaged position space by the erection equipment that is used to add can increase double walled floor at any time.
Claims (35)
1. planar concrete bearing structure, especially steel-concrete-supporting construction as steel-concrete-ceiling, is characterized in that following combination of features:
-concrete slab (1), its thickness (D) is lower than the gross thickness of described concrete bearing structure, and
-rib (2) intersected with each other, described rib (2) is connected with a corresponding end regions (3) and described concrete slab (1) transmission power ground and upwards towers under described concrete slab (1) freely that is to say situation the surface texture that does not embed other supporting, the top end regions (4) of wherein said rib (2) is configured to bear the structure of pressure and/or pulling force and wherein said rib (2) to carry out power transmission each other and connects on intersection point (9), at least carry out power transmission with the end regions above it (4) or rather and connect, and
-described rib (2) correspondingly be in end regions above described and the zone between the following end regions (3,4) has at least one breach (6).
2. by the described concrete bearing structure of claim 1, it is characterized in that, rib (2) constitutes according to the type of the shelf structure that spreads out, the brace (12) that has upper chord (5) or rather and draw from upper chord (5), described brace (12) are connected with described concrete slab (1) transmission power ground by lower chord directly or indirectly.
3. by claim 1 or 2 described concrete bearing structures, it is characterized in that, be provided with the dividing plate (11) on the full surface that the top end regions (4) of described rib (2) and following end regions (3) are coupled together with at least one breach (6).
4. by each described concrete bearing structure in the claim 1 to 3, it is characterized in that the top end regions (4) of described at least rib (2), the following end regions (3) of described rib (2) also is provided with the reinforcing rib (13) that especially is formed from steel in case of necessity.
5. by each described concrete bearing structure in the claim 1 to 4, it is characterized in that, be provided with the rib (2) that has preferably the brace (12) that constitutes by steel pipe.
6. by each described concrete bearing structure in the claim 1 to 5, it is characterized in that, be provided with rib (2), described rib (2) has concrete by high-intensity or superhigh intensity at least preferably by having 60 to 250N/mm
2The top end regions (4) made of the concrete of compressive strength.
7. by each described concrete bearing structure in the claim 1 to 6, it is characterized in that rib (2) carries out power transmission by means of cast-in-situ concrete with described concrete slab (1) and is connected.
8. by each described concrete bearing structure in the claim 1 to 7, it is characterized in that, the dividing plate of described rib (2) and in case of necessity upper chord (5) in other words lower chord be formed from steel.
9. by each described concrete bearing structure in the claim 1 to 8, it is characterized in that the upper chord (5) of described rib (2) is made of the shaped steel (14) with the concrete filling.
10. by each described concrete bearing structure in the claim 1 to 9, it is characterized in that described concrete slab (1) has at least one deck by the high-intensity surface layer of preferably being made by the concrete of superhigh intensity.
11., it is characterized in that described concrete slab (1) has the reinforcing rib or the fiber reinforced material of steel reinforcing rib, weaving by the described concrete bearing structure of claim 10.
12. by each described concrete bearing structure in the claim 1 to 11, it is characterized in that, described concrete slab (1) is provided with half precast plate that the concrete of reinforcing rib makes (1 ', 1 ") by thin usefulness and constitutes; put surperficial reinforcing rib (13) and described half precast plate (1 ', 1 ") with cast-in-situ concrete (16) and described half precast plate (1 ', 1 ") pouring together on described half precast plate (1 ', 1 "), embeds under the situation of following end regions (3) of described rib (2) pouring or rather at the same time together.
13., it is characterized in that the overall height of described concrete bearing structure is between 12 and 120 centimetres, preferably is between 20 centimetres and 50 centimetres by each described concrete bearing structure in the claim 1 to 12.
14., it is characterized in that the thickness (D) of described concrete slab (1) is between 4 centimetres and 40 centimetres, preferably is between 8 centimetres and 20 centimetres by each described concrete bearing structure in the claim 1 to 13.
15., it is characterized in that described concrete slab (1) is configured to prefabricated component integratedly with described rib (2) by each described concrete bearing structure in the claim 1 to 14.
16. by the described concrete bearing structure of claim 15, it is characterized in that the prefabricated concrete slab (1) of polylith connects into the concrete bearing structure with its rib, wherein be provided with pouring joint filling and prestressed element (15) for connecting.
17. by the described concrete bearing structure of claim 16, it is characterized in that, in described rib (2) and described concrete slab (1), described prestressed element (15) be set in tensile region correspondingly.
18. by each described concrete bearing structure in the claim 1 to 17, it is characterized in that, described concrete slab (1) has at least two half precast plates (21) that directly are arranged side by side, and the concrete pavement (22) that described half precast plate (21) is provided with reinforcing rib covers and carries out power transmission with it and is connected.
19. by the described concrete bearing structure of claim 18, it is characterized in that the weight of described rib (2) drops on half precast plate (21) with bottom parts (3), surrounded by described concrete pavement (22) around the wherein said bottom parts (3).
20., it is characterized in that the reinforcing rib (23) of described concrete pavement (22) passes the breach (6) of described rib (2) by claim 18 or 19 described concrete bearing structures.
21., it is characterized in that the bottom parts (3) of described rib (2) is fixed in the described concrete pavement (22) by means of reinforcing rib (25) by each described concrete bearing structure in the claim 18 to 20.
22., it is characterized in that the bottom parts (3) of described rib (2) is fixed in described half precast plate (21) by means of reinforcing rib (25) by each described concrete bearing structure in the claim 18 to 21.
23., it is characterized in that described rib (2) and half precast plate (21) have common reinforcing rib (25) by the described concrete bearing structure of claim 22.
24., it is characterized in that described rib (2) is configured to semiproduct with half precast plate (21) by the described concrete bearing structure of claim 23.
25., it is characterized in that the breach (6) of described rib (2) is dispersed from top to bottom by each described concrete bearing structure in the claim 18 to 24.
26., it is characterized in that the breach (6) of described rib (2) is restrained from top to bottom by each described concrete bearing structure in the claim 18 to 24.
27. by each described concrete bearing structure in the claim 18 to 26, it is characterized in that, top at pillar (8) is provided with the board member that lies on this pillar, wherein be provided with star ground outward extending rib (29) diametrically from the center that is in described pillar (8) top, described rib (29) is being connected on the edge side of described board member on the rib (2) of adjacent member.
28., it is characterized in that the rib (29) that described star ground extends is provided with reinforcing rib by the described concrete bearing structure of claim 27, the reinforcing rib of adjacent member is gone up or changed into gradually to the reinforcing rib (27) that this reinforcing rib is connected to adjacent member.
29., it is characterized in that the rib (29) that star ground is extended is connected with rib along the circumferential extension of described board member by claim 27 or 28 described concrete bearing structures.
30. by each described concrete bearing structure in the claim 18 to 29, it is characterized in that, described concrete pavement (22) together works on statics, and wherein its reinforcing rib (23) surpasses one and half precast plates (21) and extends at least one adjacent the second half precast plates (21).
31. by each described concrete bearing structure in the claim 18 to 30, it is characterized in that, the thickness of described half precast plate (21) is between 2 and 20 centimetres, preferably be between 4 and 16 centimetres, and the thickness of described concrete pavement (22) is between 2 and 20 centimetres, preferably is between 4 and 8 centimetres.
32. be used for making method by each described concrete bearing structure of claim 1 to 31, it is characterized in that, set up on the described concrete slab (1) modular shuttering element that is used for making described rib (2) moulding and described concrete bearing structure by reinforcing rib (13) is laid between the wall body that is in described modular shuttering element that is provided with for described rib (2) cavity and water this cavity with concrete (16) and make.
33. be used for making method by each described concrete bearing structure of claim 1 to 31, it is characterized in that, on the reinforcing rib (13) that is arranged on half precast plate (1 ', 1 "), vertically set up the tabular member of thin-walled, build concrete pavement that described half precast plate (1 ', 1 ") is covered and the space between the tabular member that is packed in described thin-walled under the situation that forms rib with concrete subsequently.
34. be used to make method by claim 15 or 16 described concrete bearing structures, it is characterized in that, concrete slab (1) is integrally made as prefabricated component (F ', F ") with rib (2), and described prefabricated component (F ', F ") is preferred after transporting to the job site to be connected to each other by watering joint filling (20) and prestressed element (15).
35. be used for making method by each described concrete bearing structure of claim 18 to 31, it is characterized in that, described half precast plate (21) is made in prefabricated component factory with disposed thereon rib body (26), wherein said rib body (26) has and is in top groove or is configured to hollow, these half precast plates (21) are transported to job site and correct position ground be placed on the there according to the building that remains to be built, to be placed on described half precast plate (21) subsequently at the reinforcing rib (23) that at least two adjacent half precast plates (21) go up to extend and go up and in the cavity of described rib body (26), be provided with reinforcing rib (27) in the cavity of the rib body (26) that extends to adjacent half precast plate (21), with after-applied concrete pavement (22) and to described rib body (26) placing of concrete.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA933/2006 | 2006-05-30 | ||
| AT9332006A AT503693B1 (en) | 2006-05-30 | 2006-05-30 | Planar concrete supporting structure for operating as a reinforced-concrete supporting structure like a reinforced- concrete floor has a concrete slab and intersecting ribs |
| ATA84/2007 | 2007-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101454519A true CN101454519A (en) | 2009-06-10 |
Family
ID=38777773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800199831A Pending CN101454519A (en) | 2006-05-30 | 2007-05-30 | Planar concrete supporting structure and method of producing it |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101454519A (en) |
| AT (1) | AT503693B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525873A (en) * | 2022-04-25 | 2022-05-24 | 宝嘉智能科技(南通)有限公司 | Exhaust ramming type steel bar truss floor support plate |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017102366A1 (en) | 2017-02-07 | 2018-08-09 | Technische Universität Dresden | End anchorage of textile fabrics |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0928354B1 (en) * | 1996-09-27 | 2000-05-10 | Koolen & Lichtenberg Development Interests B.V. | An assembly comprising a plate-shaped floor member, an assembly comprising at least two spaced-apart sections and at least one floor member extending between said sections, as well as a floor member and a section suitable for such assemblies |
| GB0300203D0 (en) * | 2003-01-06 | 2003-02-05 | Arup Group Ltd | Flooring system |
-
2006
- 2006-05-30 AT AT9332006A patent/AT503693B1/en not_active IP Right Cessation
-
2007
- 2007-05-30 CN CNA2007800199831A patent/CN101454519A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525873A (en) * | 2022-04-25 | 2022-05-24 | 宝嘉智能科技(南通)有限公司 | Exhaust ramming type steel bar truss floor support plate |
Also Published As
| Publication number | Publication date |
|---|---|
| AT503693B1 (en) | 2008-06-15 |
| AT503693A1 (en) | 2007-12-15 |
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Application publication date: 20090610 |