CN103628606B - A kind of high performance structures composite floor - Google Patents
A kind of high performance structures composite floor Download PDFInfo
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- CN103628606B CN103628606B CN201310462795.3A CN201310462795A CN103628606B CN 103628606 B CN103628606 B CN 103628606B CN 201310462795 A CN201310462795 A CN 201310462795A CN 103628606 B CN103628606 B CN 103628606B
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Abstract
The invention discloses that a kind of corrosion resistance is good, weather resistance is good, long service life, the high performance structures composite floor that fire-resistant and weather resistance is superior. The present invention includes base plate (1), be positioned at described base plate (1) two ends, left and right the first buckling parts (2) and the second buckling parts (3), be arranged at intervals at several type ribs (4) at described base plate (1) middle part, described first buckling parts (2) of adjacent described high performance structures composite floor and suitable being fastened and connected of described the second buckling parts (3), described base plate (1), described the first buckling parts (2), described the second buckling parts (3), described type rib (4) are integrated roll forming, and described high performance structures composite floor adopts fire-resistant and weather-resistant steel to make. The present invention can be widely used in building structure field.
Description
Technical field
The present invention relates to a kind of high performance structures composite floor for building.
Background technology
In recent years, along with the development of skyscraper, Composite Slab with Metal Deck is day by day promoted and answersWith. So-called composite floor is to make full use of steel and concrete material and design feature to combine and becomeOne entirety and cooperative a kind of version, using at present more is profiled steel sheet combination floor.Profiled steel sheet combination floor is the very rational version of one, and it can be of living in by its each building blockPosition and feature, give full play to steel tension and the good advantage of concrete anti-compression performance, and have goodAnti-seismic performance, workability, this structure is widely used in both at home and abroad in building at present. With commonReinforced concrete floor is compared, and profiled steel sheet combination floor (claiming again floor support plate) possesses following advantage: buildingBoard profiled sheet can be used as the permanent template of cast-in-place concrete, so just saved construction in install andThe operations such as form removal, thus time and labour saved; After floor support plate profiled sheet installsCan be used as operation platform and use, simultaneously owing to needn't using temporary supporting, also do not affect lower one deck constructionThe work of plane; The end muscle that floor support plate profiled sheet can be used as floor uses, and has reduced installing plate muscleWorkload; Adopt floor support plate profiled sheet can reduce floorslab concrete consumption, the floor of minimizing is conducted oneself with dignity againCan reduce accordingly the size on beam, post and basis, improve the overall performance of structure; Floor support plate die mouldThe flank of steel plate can be placed hydroelectric line, thereby structure sheaf and pipeline are integrated, and indirectly strengthensFloor height or reduced building height, bring flexibility to architectural design; In the construction stage, floor support plate is pressedThe continuously lateral that shape steel plate can be used as girder steel supports, and has improved the monolithic stability bearing capacity of girder steel; UsingIn the stage, the resistance to overturning of girder steel and the local stability of top flange are improved. Above-mentioned advantage can phaseWhen large degree shorten the engineering time, reduce the duration, obtain good economic benefit.
Mostly existing profiled sheet floor support plate is the contour plate through the moulding of multi-pass integral roll extrusion, and adopt plated moreZinc steel plate is made, and is provided with in the middle type rib to strengthen floor support plate and concrete bond strength and then enhancingThe stability of composite floor structure. Existing type rib is divided into closed type rib and open-type rib, at the bottom of open-type ribPortion has larger opening, and opening causes type rib inside directly to contact with surrounding air; Even closed typeRib floor support plate, although the type rib of its design often by vertical vertical rib closing together, because building holdsOn plate, concrete gravity presses down, and easily causes the elastic deformation of steel, easily causes the vertical vertical rib cannot be tightThere is opening in close closing, opening causes type rib inside directly to contact with surrounding air together; Therefore,No matter be the floor support plate of closed type rib and open-type rib, all can directly contact with surrounding air long-term behaviorUnder, chlorion, oxygen and the moisture content in atmosphere can produce corrosion to floor support plate even makes floor support plate get rusty,Corrosion meeting should affect floor support plate as the effect that uses of end muscle, make its reduction, final impact building in life-spanStructural stability, make it can not reach design life, especially in the high humidities such as coastal area, acidThis kind, the area situation that alkalescence is high is even more serious, has a strong impact on safety and the service life of building. In addition,No matter be the floor support plate of closed type rib and open-type rib, all can directly contact with surrounding air, once occurFire, the bottom of floor support plate can with naked light and high temperature air thermal contact conductance, steel construction can be along with temperatureRaise and intensity sharply declines, yield strength reduce, elastic modelling quantity obviously declines, so can affect withAfter temperature deformation and stress distribution, the underlaying surface temperature of floor support plate can reach at short notice1200 DEG C, vertically the type rib at vertical rib top reaches 400 DEG C, and the structural stability of final impact building, makesIt can not reach design life, has a strong impact on safety and the service life of building. In order to prevent fireDamage to steel construction, generally adopt fireproof paint and fire-proof shield to process steel construction,The expense material but also environment is had to pollution but above-mentioned processing is not only taken a lot of work, even at present for floor support plate this, therefore there is potential safety hazard in the processing of generally not preventing fires of the special steel construction of class.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of corrosion resistance is providedCan be good, weather resistance is good, long service life, the high performance structures combination that fire-resistant and weather resistance is superiorFloor.
The technical scheme that high performance structures composite floor of the present invention adopts is: the present invention includes base plate,Be arranged in two ends, described base plate left and right the first buckling parts and the second buckling parts, be arranged at intervals at described base plateSeveral type ribs of portion, described the first buckling parts and the institute of adjacent described high performance structures composite floorState that the second buckling parts is suitable to be fastened and connected, described base plate, described the first buckling parts, described second fastenPortion, described type rib are integrated roll forming, and described high performance structures composite floor adopts fire-resistant and weather-resistant steelMake.
Described fire-resistant and weather-resistant steel comprises the chemical composition of following percentage by weight: C0.08～0.12%, Si0.30～0.60％，Mn0.50～1.50％，S≤0.03％，Cr0.40～0.80％，Mo0.25～0.40％，Nb0.02～0.04％，P0.05～0.12％，Cu0.25～0.55％，Ni0.04～0.07％，V0.02～0.08%, N0.011～0.020%, Ti0.008～0.016%, Zr≤0.02%, all the other areFe and inevitably impurity.
Preferably, described fire-resistant and weather-resistant steel comprises the chemical composition of following percentage by weight: C0.10%,Si0.45％，Mn1.00％，S0.03％，Cr0.60％，Mo0.30％，Nb0.03％，P0.10％，Cu0.40%, Ni0.55%, V0.05%, N0.015%, Ti0.008%, Zr0.02%, all the other areFe and inevitably impurity.
Described type rib comprises the vertical rib of bottom and the wedge-like portion on top.
On the described vertical rib of described type rib, be fixedly connected with reinforcement.
Described reinforcement is " L " type, the both sides of described reinforcement respectively with described vertical rib and described base plate phaseRiveted joint is fixing.
The cross section of described wedge-like portion is triangle or regular polygon or circle.
Described type rib from up to down forms reducing or enlarging.
On described base plate, be arranged at intervals with the longitudinal base plate ribs raising up; On described type rib, be provided withWaling.
On described the first buckling parts and/or described the second buckling parts and/or described type rib, be respectively equipped with punching pressRib.
The invention has the beneficial effects as follows: because high performance structures composite floor of the present invention adopts fire-resistant resistance toTime steel is made, and fire resistance and the weatherability of steel have been considered in fire-resistant and weather-resistant steel equilibrium, and make the two comprehensiveCan all reach requirement, weatherability is embodied in the infiltration rate that has greatly slowed down chlorion, the coming to the surface of floorLearn stable in properties, anti-block enters its inside, has avoided the oxidation of floor to expand, and makes it in life spanInside remain stable state, greatly extended service life, fire resistance is embodied in by floor itselfFire protecting performance, makes it within the long period of breaking out of fire, holding structure intensity, thus make whole buildingThe stability that still can ensure structure, does not produce and collapses; Adopt fire-resistant and weather-resistant steel manufacturing structure composite floorBe not have in the past, it not only can be antirust, makes that floor support plate is anticorrosive to increase the service life, Er QiekeUse all right exposed use or simplification application, thereby joint with attenuate in the situation that meeting structural strengthEconomize maintenance cost and cost, can directly contact for a long time with surrounding air, can not affect floor support plate asThe effect that end muscle uses, is ensured the structural stability of building, meets floor support plate design and uses yearThe requirement of limit, is particluarly suitable for the area that the high humidities such as coastal area, Acidity of Aikalinity are high and uses, and has ensured to buildThe safety of building and service life, simultaneously the overall structure of floor support plate ensures itself and concrete strong bonded,Structural strength and good stability; And it has made up the weakness of common iron, intensity while having improved high temperature,Use after this steel, can reduce and even not need refractory coating, exposed use or simplification application, jointEconomize maintenance cost and cost, can intactly demonstrate color and luster and the style of steel, realize without fire preventionThe demand of cladding steel structure; And adopt the fire resistance that improves steel self, more than adopting fireproof paintWant labor and material saving with fire-proof shield, increase effective usable floor area, reduce environmental pollution; Evidence,At aspect of performance, the yield strength while adopting 600 DEG C of the test steels materials of the present invention formula can reach350.00MPa, reaches 72.3% of room temperature yield strength, has exceeded 2/3 of room temperature yield strength, meetsFire resistance requirement; Salt spray test result, compared steel year attenuate speed be 2.4908mm/a, and test useSteel is only 1.1239mm/a, and its decay resistance has reached the more than 2 times of compared steel, meets weatherabilityEnergy requirement; Therefore corrosion resistance of the present invention is good, weather resistance is good, long service life, fire-resistant and weatherabilityCan be superior.
Brief description of the drawings
Fig. 1 is the section structure schematic diagram of the embodiment of the present invention one;
Fig. 2 is the local structure for amplifying schematic diagram in the place of I shown in Fig. 1;
Fig. 3 is the section structure schematic diagram of the embodiment of the present invention two;
Fig. 4 is the structural representation after the mutual assembly connection of the embodiment of the present invention two;
Fig. 5 is the section structure schematic diagram of the embodiment of the present invention three;
Fig. 6 is the section structure schematic diagram of the embodiment of the present invention four;
Fig. 7 is the section structure schematic diagram of the embodiment of the present invention five;
Fig. 8 is the section structure schematic diagram of the embodiment of the present invention six;
Fig. 9 is the section structure schematic diagram of the embodiment of the present invention seven;
Figure 10 is the section structure schematic diagram of the embodiment of the present invention eight;
Figure 11 is the section structure schematic diagram of the embodiment of the present invention nine.
Detailed description of the invention
High performance structures composite floor of the present invention adopts fire-resistant and weather-resistant steel to make. Described fire-resistant and weather-resistant steelComprise the chemical composition of following percentage by weight: C0.08～0.12%, Si0.30～0.60%, Mn0.50～1.50％，S≤0.03％，Cr0.40～0.80％，Mo0.25～0.40％，Nb0.02～0.04％，P0.05～0.12％，Cu0.25～0.55％，Ni0.04～0.07％，V0.02～0.08％，N0.011～0.020%, Ti0.008～0.016%, Zr≤0.02%, all the other are Fe and inevitable impurity. ShouldSteel belongs to low-alloy steel, and the target content of each essential element is as follows: C0.10%, and Si0.45%, Mn1.00%,S0.03％，Cr0.60％，Mo0.30％，Nb0.03％，P0.10％，Cu0.40％，Ni0.55％，V0.05％，N0.015％，Ti0.008％，Zr0.02％。
Embodiment mono-:
As shown in Figure 1 and Figure 2, the high performance structures composite floor of the present embodiment is through multiple tracks by steel plateThe contour plate of inferior integral roll extrusion moulding, comprise base plate 1, be positioned at described base plate 1 two ends, left and right first buttonClose portion 2 and the second buckling parts 3, be arranged at intervals at two type ribs 4 at described base plate 1 middle part, described type rib4 is closed type rib, described the first buckling parts 2 and the institute of adjacent described high performance structures composite floorState second buckling parts 3 is suitable and be fastened and connected, described the first buckling parts 2 after being fastened and connected and described theTwo buckling parts 3 global shapes are consistent with described type rib 4, it had identical with described type rib 4Function and structure characteristic, entirety is difficult drop-off more, described base plate 1, described the first buckling parts 2, describedTwo buckling parts 3, described type rib 4 are integrated roll forming, and described high performance structures composite floor adoptsFire-resistant and weather-resistant steel is made, and described type rib 4 comprises vertical vertical rib that bottom fits and the wedge-like portion on top,The described vertical rib fitting can make at the bottom of plate smooth attractive in appearance, and the intensity of high performance structures composite floor is large and resistance toWait and fire protecting performance good, the cross section of described wedge-like portion is isosceles triangle, can make described type rib 4Increase with concrete contact area, this high performance structures composite floor and concrete binding ability increaseBy force, be subject to concrete protection difficult drop-off, increase the service life, strengthen the stable of composite floor structureProperty, on the described vertical rib of described type rib 4, being fixedly connected with reinforcement 5, described reinforcement 5 is " L "Type, the both sides of described reinforcement 5 are riveted mutually and are fixed with described vertical rib and described base plate 1 respectively, Ke YizengAdd floor support plate when application can load-bearing capacity, the in the situation that of identical material, floor support plate is had moreLarge span designed capacity, the in the situation that of identical load, makes floor support plate can save more materials,Therefore save steel, cost is low, weight bearing power is high.
Embodiment bis-:
As shown in Figure 3, Figure 4, the high performance structures composite floor of the present embodiment and embodiment Yi districtBe not: in the present embodiment, the cross section of described wedge-like portion is regular hexagon, adjacent described high-performanceThe institute that described first buckling parts 2 of structural composite floor is interlocked after being connected with described the second buckling parts 3Stating the first buckling parts 2 is also regular hexagon with described the second buckling parts 3 global shapes, can further makeDescribed type rib 4 increases with concrete contact area, this high performance structures composite floor and concreteBinding ability strengthens, and high performance structures composite floor is subject to concrete protection difficult drop-off, extends highThe service life of performance structure composite floor, the stability of enhancing composite floor structure, certainly, described inThe cross section of wedge-like portion can be also other regular polygon, and in theory, limit number is more, and described type rib 4 is with mixedSolidifying native contact area is larger, considers processing situation, and the section polygon of described wedge-like portion generally adoptsRegular hexagon or positive heptagon or octagon or positive nonagon are comparatively suitable, and on described base plate 1, establish at intervalBe equipped with the longitudinal base plate ribs 11 raising up, for strengthening intensity and the deformation-recovery of described base plate 1Ability, described ribs 11 is arc, can certainly be other shapes, in addition, in the present embodimentConnection reinforcement part 5 not on the described vertical rib of described type rib 4.
All the other features of the present embodiment are with embodiment mono-.
Embodiment tri-:
As shown in Figure 5, the high performance structures composite floor of the present embodiment and the difference of embodiment bis-are:In the present embodiment, the cross section of described wedge-like portion is circular, adjacent described high performance structures combination buildingDescribed the first buckling parts that described first buckling parts 2 of plate is interlocked after being connected with described the second buckling parts 32 with described the second buckling parts 3 global shapes be also circle.
All the other features of the present embodiment are with embodiment bis-.
Embodiment tetra-:
As shown in Figure 6, the high performance structures composite floor of the present embodiment and the difference of embodiment mono-are:In the present embodiment, connection reinforcement part 5 not on the described vertical rib of described type rib 4, but at described type rib 4Described vertical rib be provided with relative waling 41, to realize the object of reinforcement; In addition, this enforcementIn example, on described base plate 1, be arranged at intervals with the longitudinal base plate ribs 11 of the arc raising up, for addingThe intensity of strong described base plate 1 and deformation-recovery ability, described ribs 11 is arc; In addition, this enforcementShape after described first buckling parts 2 of example and described the second buckling parts 3 fasten and the shape of described type rib 4Shape difference.
All the other features of the present embodiment are with embodiment mono-.
Embodiment five:
As shown in Figure 7, the high performance structures composite floor of the present embodiment and the difference of embodiment mono-are:In the present embodiment, connection reinforcement part 5 not on the described vertical rib of described type rib 4, but at described type rib 4Described vertical rib be provided with relative waling 41, to realize the object of reinforcement, described longitudinal reinforcementMuscle 41 is positioned at the intersection of described vertical rib and described base plate 1, and the bottom of described waling 41 is leftOpening; In addition, in the present embodiment, on described base plate 1, be arranged at intervals with the longitudinal base plate raising up and addStrong rib 11, for strengthening intensity and the deformation-recovery ability of described base plate 1, described ribs 11 is trapezoidal.
All the other features of the present embodiment are with embodiment mono-.
Embodiment six:
As shown in Figure 8, the high performance structures composite floor of the present embodiment is through multi-pass one by steel plateThe contour plate of roll forming, comprises base plate 1, is positioned at first buckling parts 2 at described base plate 1 two ends, left and rightWith the second buckling parts 3, be arranged at intervals at two type ribs 4 at described base plate 1 middle part, described type rib 4 is for openingShape of the mouth as one speaks rib, described first buckling parts 2 of adjacent described high performance structures composite floor is with described secondBuckling parts 3 is suitable to be fastened and connected, and described the first buckling parts 2 after being fastened and connected fastens with described secondPortion's 3 global shapes are consistent with described type rib 4, described base plate 1, described the first buckling parts 2, describedTwo buckling parts 3, described type rib 4 are integrated roll forming, and described high performance structures composite floor adoptsFire-resistant and weather-resistant steel is made, and described type rib 4 from up to down forms reducing, and the top of described type rib 4 is levelFace, the top levels of described type rib 4 is provided with waling 41, and described waling 41 isTrapezoidal, to realize the object of reinforcement, for improving the structural strength of high performance structures composite floor, instituteState on base plate 1 and be arranged at intervals with the longitudinal base plate ribs 11 raising up, for strengthening described base plate 1Intensity and deformation-recovery ability, described ribs 11 is trapezoidal.
Embodiment seven:
As shown in Figure 9, the high performance structures composite floor of the present embodiment is through multi-pass one by steel plateThe contour plate of roll forming, comprises base plate 1, is positioned at first buckling parts 2 at described base plate 1 two ends, left and rightWith the second buckling parts 3, be arranged at intervals at three type ribs 4 at described base plate 1 middle part, described type rib 4 is for openingShape of the mouth as one speaks rib, described first buckling parts 2 of adjacent described high performance structures composite floor is with described secondBuckling parts 3 is suitable to be fastened and connected, described base plate 1, described the first buckling parts 2, described the second buckling parts3, described type rib 4 is integrated roll forming, and described high performance structures composite floor adopts fire-resistant and weather-resistant steelMake, described type rib 4 from up to down forms enlarging, and the top of described type rib 4 is horizontal plane, described typeRib 4 is trapezoidal, and this high performance structures composite floor entirety is trapezoidal dentation.
Embodiment eight:
As shown in figure 10, the high performance structures composite floor of the present embodiment and the difference of embodiment seven existIn: in the present embodiment, on the end face of described type rib 4, be provided with waling 41, described longitudinal reinforcementMuscle 41 raises up, on the end face of described type rib 4 in both sides and the institute of described waling 41State on the side of type rib 4 and be respectively equipped with several stamped bumps 42, described stamped bumps 42 is trapezoidal,For improving the structural strength of high performance structures composite floor, to realize the object of reinforcement; In addition, originallyIn embodiment, on described base plate 1, be arranged at intervals with the longitudinal base plate ribs 11 of the arc raising up, useIn intensity and the deformation-recovery ability of strengthening described base plate 1, described ribs 11 is arc; In addition, instituteThe shape of stating the first buckling parts 2 and described the second buckling parts 3 is also different.
All the other features of the present embodiment are with embodiment seven.
Embodiment nine:
As shown in figure 11, the high performance structures composite floor of the present embodiment and the difference of embodiment seven existIn: in the present embodiment, on the end face of described type rib 4, be provided with waling 41, on described end faceDescribed waling 41, to lower recess, is also provided with respectively waling on the side of described type rib 441, for improving the structural strength of high performance structures composite floor, to realize the object of reinforcement; In addition,In the present embodiment, on described base plate 1, be arranged at intervals with the longitudinal base plate ribs 11 of the arc raising up,For strengthening intensity and the deformation-recovery ability of described base plate 1, described ribs 11 is arc; In addition,The shape of described the first buckling parts 2 and described the second buckling parts 3 is also different.
All the other features of the present embodiment are with embodiment seven.
Template in above embodiment is for illustrative purposes only, is not limiting the scope of the invention.
Through the test to fire-resistant and weather-resistant steel performance of the present invention, no matter be ambient temperature mechanical properties, orMechanical property under the high temperature of 600 DEG C is all effectively improved. Overall trend is to try after softening processingTest the strength decreased with steel, plasticity improves. Along with the rising of temperature, yield strength declines, during by 18 DEG CThe 350.00MPa of 484.20MPa while dropping to 600 DEG C, yield strength decline 134.20MPa, rate of descent27.7%. The yield strength of test steels after softening under 600 DEG C of high temperature is room temperature yield strength72.3%, exceed 2/3 of room temperature yield strength. Meanwhile, tensile strength is at high temperature also on a declining curve,And the downward trend of tensile strength is greater than the downward trend of yield strength. Temper softening place after normalizingThe room-temperature property of the fire-resistant and weather-resistant test steel after reason is all better than common building steel, arrives in raising intensityWhen 500MPa level, percentage elongation is still up to more than 24%. And there is good high-temperature behavior, 600 DEG CTime yield strength be only 72.3% of room temperature yield strength, exceeded 2/3 of room temperature yield strength, meetThe requirement of Fire-resistant Steels Used in Buildings, and common building is with steel, the yield strength 600 DEG C time is far smaller than room temperature2/3 of yield strength, cannot guarantee the bearing safety of building. In addition, to fire-resistant and weather-resistant steel of the present inventionCorrosion resisting property carry out salt air corrosion experiment and show, along with the prolongation of etching time, the weightlessness of test steelsThe increase trend of speed always will be lower than straight carbon steel, and the order of corrosion weight loss is test steels < compared steel, thisThe corrosion resistance that fire-resistant and weather-resistant steel is described will be got well compared with common building steel, and the year attenuate speed of compared steel is2.4908mm/a, and the year attenuate speed of test steels is only 1.1239mm/a, its decay resistance isReach the more than 2 times of compared steel. In sum, by fire-resistant and weather-resistant steel of the present invention is become to set up separatelyMeter, has determined test steels composition characteristic, is met the fire-resistant and weather-resistant steel test steel of performance. AndIts processing performance, softening processing and fire-resistant and weather-resistant performance are studied and are tested.
Can draw the following conclusions from test and analyzing. At aspect of performance, test steels normal temperature yield strengthYield strength when 24.44%, 600 DEG C of 484.20MPa, tensile strength 573.59MPa, elongation after fracture350.00MP, is only 72.3% of room temperature yield strength, has exceeded 2/3 of room temperature yield strength, meets resistance toFire performance requirement; Salt spray test result, compared steel year attenuate speed be 2.4908mm/a, and test steelsBe only 1.1239mm/a, its decay resistance has reached the more than 2 times of compared steel, meets weather resistanceRequirement. Steel similar with other are compared, the normal temperature mechanical property of high performance structures composite floor of the present inventionCan be better, intensity plasticity is higher, and weather resistance is superior.
In the composition of fire-resistant and weather-resistant steel of the present invention, the unit of improving fire resistance have Cr, Mo, Nb,The unit of improving weather resistance have Cu, P, Ni, Cr, and microalloy intensified element has Ti, V, Nb etc.In addition, Zr can add or not add according to corrosion proof requirement is appropriate.
High performance structures composite floor of the present invention adopts fire-resistant and weather-resistant steel to make, fire-resistant and weather-resistant steel equilibriumConsidered fire resistance and the weatherability of steel, and made the two combination property all reach requirement, weatherability embodiesAt the infiltration rate that has greatly slowed down chlorion, the surface chemical property of floor is stable, and anti-block enters itInside, has avoided the oxidation of floor to expand, and makes it in life span, remain stable state, greatlyExtended service life, fire resistance is embodied in by the fire protecting performance of floor itself, makes it in breaking out of fireLong period in, holding structure intensity, thus make whole building still can ensure the stability of structure, noGeneration is collapsed; Adopting fire-resistant and weather-resistant steel manufacturing structure composite floor is not have in the past, and it can not onlyEnough antirust, make that floor support plate is anticorrosive to increase the service life, and can be in the situation that meeting structural strengthAttenuate uses, all right exposed use or simplification application, thereby maintenance cost saving and cost, Ke YiyuThe long-term directly contact of surrounding air, can not affect floor support plate as the effect that uses of end muscle, make to buildStructural stability ensured, meet the requirement of floor support plate design life, be particluarly suitable for coastalThe high humidities such as area, the area that Acidity of Aikalinity is high are used, and have ensured safety and the service life of building, simultaneouslyThe overall structure of floor support plate ensures itself and concrete strong bonded, structural strength and good stability; And,It has made up the weakness of common iron, and intensity while having improved high temperature is used after this steel, can reduceEven do not need refractory coating, exposed use or simplification application, maintenance cost saving and cost, Ke YiyuanEnvelope fixedly demonstrates color and luster and the style of steel, realizes the demand without fire prevention cladding steel structure; And adoptWith improving the fire resistance of steel self, more than adopt fireproof paint and fire-proof shield want labor and material saving,Increase effective usable floor area, reduce environmental pollution; Therefore corrosion resistance of the present invention good, service lifeLong, fire-resistant and weather resistance is superior.
The present invention can be widely used in building structure field.
Claims (8)
1. a high performance structures composite floor, is characterized in that: comprise base plate (1), be positioned at described base plate(1) first buckling parts (2) at two ends, left and right and the second buckling parts (3), be arranged at intervals at the described endSeveral type ribs (4) at plate (1) middle part, the institute of adjacent described high performance structures composite floorState the first buckling parts (2) and suitable being fastened and connected of described the second buckling parts (3), described base plate (1),Described the first buckling parts (2), described the second buckling parts (3), described type rib (4) are integrated roll extrusionMoulding, described high performance structures composite floor adopts fire-resistant and weather-resistant steel to make; Described fire-resistant and weather-resistant steelComprise the chemical composition of following percentage by weight: C0.08～0.12%, Si0.30～0.60%, Mn0.50～1.50％，S≤0.03％，Cr0.40～0.80％，Mo0.25～0.40％，Nb0.02～0.04％，P0.05～0.12％，Cu0.25～0.55％，Ni0.04～0.07％，V0.02～0.08％，N0.011～0.020%, Ti0.008～0.016%, Zr≤0.02%, all the other are Fe and can not keep awayThe impurity of exempting from.
2. high performance structures composite floor according to claim 1, is characterized in that: described type rib (4)Comprise the vertical rib of bottom and the wedge-like portion on top.
3. high performance structures composite floor according to claim 2, is characterized in that: at described type rib(4) on described vertical rib, be fixedly connected with reinforcement (5).
4. high performance structures composite floor according to claim 3, is characterized in that: described reinforcement(5) be " L " type, the both sides of described reinforcement (5) respectively with described vertical rib and described base plate (1)Riveted joint is fixing mutually.
5. high performance structures composite floor according to claim 2, is characterized in that: described wedge-like portionCross section be triangle or regular polygon or circle.
6. high performance structures composite floor according to claim 2, is characterized in that: described type rib (4)From up to down form reducing or enlarging.
7. high performance structures composite floor according to claim 1, is characterized in that: described base plate (1)On be arranged at intervals with the longitudinal base plate ribs (11) raising up; On described type rib (4), be provided withWaling (41).
8. high performance structures composite floor according to claim 1, is characterized in that: described the first buttonClose on portion (2) and/or described the second buckling parts (3) and/or described type rib (4) and be respectively equipped with punchingPress rib (42).
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| CN1132958C (en) * | 2001-10-17 | 2003-12-31 | 武汉钢铁(集团)公司 | High-performance refractory weather-resisting building steel and its production method |
| CN1240866C (en) * | 2003-02-25 | 2006-02-08 | 鞍山钢铁集团公司 | Refractory steel and manufacturing method thereof |
| CN101514573B (en) * | 2008-05-05 | 2012-05-02 | 百安力钢结构应用科技有限公司 | Floor support plate |
| JP5162382B2 (en) * | 2008-09-03 | 2013-03-13 | 株式会社神戸製鋼所 | Low yield ratio high toughness steel plate |
| CN201474126U (en) * | 2009-08-28 | 2010-05-19 | 百安力钢结构应用科技有限公司 | Floor support plate |
| CN202012146U (en) * | 2011-03-16 | 2011-10-19 | 百安力钢结构应用科技有限公司 | Fire-resistant floor support plate |
| CN102605287B (en) * | 2012-03-09 | 2013-07-31 | 武汉钢铁(集团)公司 | Steel for high-ductility anti-seismic structure with yield ratio smaller than or equal to 0.70 and production method of steel |
-
2013
- 2013-09-30 CN CN201310462795.3A patent/CN103628606B/en not_active Expired - Fee Related
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| CN103628606A (en) | 2014-03-12 |
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