CN204983309U - Joint construction of real abdomen formula steel case conversion roof beam and this conversion roof beam and reinforced concrete shear force wall - Google Patents
Joint construction of real abdomen formula steel case conversion roof beam and this conversion roof beam and reinforced concrete shear force wall Download PDFInfo
- Publication number
- CN204983309U CN204983309U CN201520606700.5U CN201520606700U CN204983309U CN 204983309 U CN204983309 U CN 204983309U CN 201520606700 U CN201520606700 U CN 201520606700U CN 204983309 U CN204983309 U CN 204983309U
- Authority
- CN
- China
- Prior art keywords
- concrete
- steel
- conversion beam
- steel case
- conversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a joint construction of real abdomen formula steel case conversion roof beam and this conversion roof beam and reinforced concrete shear force wall, real abdomen formula steel case conversion roof beam includes steel case roof beam and concrete, steel case roof beam has by the roof, bottom plate and two tubular main parts that the web was formed by connecting, the roof strides corresponding to each of conversion roof beam that all to be equipped with a set of part uncovered, concrete watering mouth during each group is local uncovered all sets up the intermediate position of striding in the correspondence of conversion roof beam, local uncovered two the hogging moment district within ranges of all striding in the correspondence of conversion roof beam of each group are equipped with at least one exhaust hole respectively. The utility model discloses a conversion roof beam can compare that beginning portion is not open in prior art remains silent under the prerequisite that the steel case - the concrete combination beam does not reduce at normal section anti -bending strength, anti -torque performance, vertical shear behavior and local stability, the very big watering efficiency that has made things convenient for the watering of concrete in the work progress, has improved the concrete, and be applicable to the conversion of encorbelmenting, large -span conversion among the high -rise building.
Description
Technical field
The utility model relates to the connecting structure of a kind of steel flanged beam steel case conversion beam and this conversion beam and reinforced concrete shear wall.
Background technology
Along with the development of national economy, building trade proposes more and more higher requirement to building structure, facilitate building structure constantly to large span, light-duty, environmental protection, the future development such as multi-functional, traditional structure can not meet the requirement of modern building fabric, steel concrete combining structure is high with its supporting capacity, from heavy and light, the advantage such as physical dimension is little, anti-seismic performance good, convenient construction, be widely used in the engineerings such as bridge, industrial premises, highrise building, urban interchange, one of important development direction becoming building structure.
Fig. 1 shows the steel box-concrete beam of remaining silent that can be used as conversion beam in prior art, this compound beam comprises steel box-girder and concrete 9, steel box-girder has the tube-shaped main body be formed by connecting by top board 1, base plate 2 and two blocks of webs 3, the polylith lateral partitions 4 along tube-shaped main body axial distribution is provided with in the inner chamber of this tube-shaped main body, each block lateral partitions 4 is equipped with concrete opening 4a, and the layout quantity of lateral partitions 4 and spacing distance should be arranged by the regulation about stiffening rib in 4.3 joints of Code for design of steel structures GB50017.Concrete 9 is filled in the inner chamber of this tube-shaped main body, the outer wall of two blocks of webs 3 is equipped with longitudinal stiffener 5, lower longitudinal stiffener 6 and each block lateral partitions 4 corresponding and is provided with one transverse stiffener 7, upper longitudinal stiffener 5 and lower longitudinal stiffener 6 all extend along the axis of tube-shaped main body, and every one transverse stiffener 7 is all arranged between longitudinal stiffener 5 and lower longitudinal stiffener 6.This compound beam owing to being filled with concrete in case room, the cripling intensity of pressure zone steel plate is greatly improved, be conducive to giving full play to of steel strength, ratio of rigidity is larger, and there is better ductility, because being filled with concrete, warpage and distortion are subject to certain constraint, make the twisting property of structure more be better than other forms of cross section.
But above-mentioned existing steel box-concrete beam of remaining silent is used as conversion beam and still has the following disadvantages:
First, in order to avoid excessive and too much concrete casting grout impacts the rigidity of conversion beam and shear-carrying capacity, concrete casting pours in the inner chamber NQ of steel box-girder GXL by means of only offering 1 ~ 2 concrete casting grout on top board DINGBAN by combinations thereof beam in the prior art, make concrete construction irrigation process cumbersome, and the inner chamber NQ easily producing steel box-girder GXL is not filled problem completely by concrete HNT;
Second, the steel box-girder GXL assembly steel using amount of combinations thereof beam is many, conduct oneself with dignity larger, therefore, combinations thereof beam is difficult to be applicable to conversion of encorbelmenting in highrise building, large span conversion, and can make to build the problem that top infrastructure cost improves, ground bears a heavy burden increases, building integral cost raises;
3rd, for the situation being provided with reinforced concrete shear wall on conversion beam, the steel box-girder GXL of combinations thereof beam needs to make special Construction treatment just can guarantee the connection reliability with reinforced concrete shear wall, and such link cost is higher, it is loaded down with trivial details to construct.
Utility model content
Technical problem to be solved in the utility model is: the connecting structure providing a kind of steel flanged beam steel case conversion beam and this conversion beam and reinforced concrete shear wall.
Solve the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:
A kind of steel flanged beam steel case conversion beam, comprise steel box-girder and concrete, described steel box-girder has by top board, the tube-shaped main body that base plate and two blocks of webs are formed by connecting, the polylith lateral partitions along tube-shaped main body axial distribution is provided with in the inner chamber of this tube-shaped main body, each block lateral partitions is equipped with concrete opening, described concrete filling is in the inner chamber of this tube-shaped main body, the outer wall of described two blocks of webs is equipped with longitudinal stiffener, described in lower longitudinal stiffener and each block corresponding, lateral partitions is provided with one transverse stiffener, upper longitudinal stiffener and lower longitudinal stiffener all extend along the axis of tube-shaped main body, every one transverse stiffener is all arranged between longitudinal stiffener and lower longitudinal stiffener, it is characterized in that: described top board is uncovered across being equipped with one group of local corresponding to each of conversion beam, each group is locally uncovered includes a concrete casting mouth and at least two steam vents, each organize described local uncovered in concrete casting mouth be all arranged on described conversion beam corresponding across centre position, and the maximum length of this concrete casting mouth is arranged on described top board, and to be positioned at described conversion beam corresponding to scope length
extremely
between, Breadth Maximum is arranged on described top board width
extremely
between, each organize described local uncovered all described conversion beam corresponding across two hogging moment areas within the scope of be respectively equipped with at least one steam vent, and above the clearance space of each steam vent all between adjacent two pieces of described lateral partitions.
In order to improve the concrete pouring quality of filling in steel box-girder inner chamber, as improvement of the present utility model, described lateral partitions is also provided with four concrete circulation breach, these four concrete circulation breach lay respectively at the corner location of described lateral partitions, and described concrete opening is positioned at the center of described lateral partitions.
As the preferred embodiment of diaphragm, described concrete opening is the irregularly-shaped hole be made up of rectangular central portion, semi-circular upper portions and semicircular-shaped lower portion, and described concrete circulation breach is sector notch.
In order to improve the bending bearing capacity of steel box-girder and improve the stability of web, the outer wall of described two blocks of webs all has additional longitudinal stiffener in the middle of twice; Every together in the middle of longitudinal stiffener all extends along the axis of described tube-shaped main body, between the upper longitudinal stiffener of the twice centre longitudinal stiffener on same web on this web and lower longitudinal stiffener, uniform intervals distributes.
As a kind of preferred embodiment of the present utility model, be provided with longitudinal baffle in the inner chamber of described tube-shaped main body, this longitudinal baffle extends along the axis of described tube-shaped main body and the inner chamber of described tube-shaped main body is divided into top box room and nowel room; Described concrete opening is positioned at top box indoor, and described Concrete Filled is indoor at described top box, without Concrete Filled in described nowel room.
In order to improve the concrete pouring quality of filling in top box room, as improvement of the present utility model, described lateral partitions is also provided with four concrete circulation breach, and these four concrete circulation breach are separately positioned on the corner location that described lateral partitions is positioned at the part of top box indoor.
In order to avoid stress is concentrated, as the preferred embodiment of concrete casting mouth, described concrete casting mouth is that the abnormity be made up of rectangular central portion, semicircle front portion and semicircle rear portion is uncovered.
In order to avoid stress is concentrated, as the preferred embodiment of steam vent, described steam vent is round hole.
When being provided with reinforced concrete shear wall on conversion beam, the described top board upper end face part be positioned at outside described concrete casting mouth is provided with the steel plate of twice for connecting reinforcement concrete shear force wall, and this twice steel plate all extends along the axis of described tube-shaped main body.
A connecting structure for conversion beam and reinforced concrete shear wall, comprises conversion beam and is arranged on the reinforced concrete shear wall on this conversion beam, it is characterized in that: described conversion beam adopts steel flanged beam steel case conversion beam; The reinforcing bar lower end being arranged in described steel flanged beam steel case conversion beam concrete casting mouth scope in two placing of reinforcements of described reinforced concrete shear wall all from concrete casting mouth stretch into the inner chamber of described tube-shaped main body and be anchored at described concrete, the reinforcing bar lower end be positioned at outside described steel flanged beam steel case conversion beam concrete casting mouth scope fixes with the twice Plate Welding of described steel flanged beam steel case conversion beam respectively.
Compared with prior art, the utility model has following beneficial effect:
First, see Fig. 2 to Fig. 7, the utility model is uncovered across all arranging one group of local comprising an a concrete casting mouth 1a and at least two steam vent 1b corresponding to each of conversion beam by the top board 1 at steel box-girder, concrete casting mouth 1a is all arranged on conversion beam corresponding across centre position, and each group local uncovered all conversion beam corresponding across two hogging moment areas within the scope of be respectively provided to and lack a steam vent 1b, thus, for the conversion layer adopting this steel flanged beam steel case conversion beam, after steel box-girder welding procedure completes, concrete 9 can be poured onto in the inner chamber a of steel box-girder from each concrete casting mouth 1a top board 1 respectively, and concrete 9 from can be flowed to by the concrete opening 4a each piece of lateral partitions 4 after concrete casting mouth 1a enters conversion beam each across two ends, and, in the flow process of concrete 9, air in steel box-girder inner chamber a is discharged to outside steel box-girder by each steam vent 1b on top board 1, make concrete 9 can complete filling to steel box-girder inner chamber a fast, greatly facilitate the pouring of concrete 9 in work progress, improve concrete pouring efficiency,
The uncovered distribution mode in local is set to by the utility model: each concrete casting mouth 1a be all positioned at conversion beam corresponding across centre position and maximum length L1 is arranged on top board 1 that to be positioned at conversion beam corresponding to scope length L2's
extremely
between, Breadth Maximum W1 is arranged on top board 1 width W 2
extremely
between, each steam vent 1b to be all arranged within the scope of hogging moment area and above clearance space between adjacent two pieces of lateral partitions 4, reducing local to greatest extent by such distribution mode and uncoveredly offer the harmful effect that the bearing capacity of steel box-girder is caused, ensure that by offering the uncovered feasibility improving concrete casting efficiency in local; Compare through carrying out finite element method (fem) analysis to this steel flanged beam steel case conversion beam with existing steel box-concrete beam of remaining silent, the uncovered bearing capacity on this steel flanged beam steel case conversion beam impact in above-mentioned local is less, and the Bend performance of this steel flanged beam steel case conversion beam, torsional property, vertical shear behavior and the local stability steel box-concrete beam of remaining silent that non-beginning portion is uncovered in prior art do not reduce;
Offer multiple large-area concrete casting mouth 1a due to the utility model at the top board 1 of steel box-girder under the prerequisite not affecting steel box-girder supporting capacity, expand the uncovered area in local as much as possible, reduce steel using amount and the deadweight of steel box-girder significantly, not only material-saving saving of labor, can also make to build top infrastructure cost and reduce, alleviate ground heavy burden, the further overall cost reducing building; And, this steel flanged beam steel case conversion beam is owing to can also have enough large intensity and bearing capacity, therefore, this steel flanged beam steel case conversion beam is applicable to conversion of encorbelmenting in highrise building, large span conversion, can guarantee the feasibility of the setting of conversion layer in highrise building;
In sum, under the prerequisite that steel flanged beam steel case conversion beam of the present utility model can not reduce at Bend performance, torsional property, vertical shear behavior and the local stability steel box-concrete beam of remaining silent that non-beginning portion is uncovered in prior art, greatly facilitate the pouring of concrete 9 in work progress, improve concrete pouring efficiency; Further, steel flanged beam steel case conversion beam of the present utility model is applicable to conversion of encorbelmenting in highrise building, large span conversion.
Second, see Fig. 7, the utility model is arranged on the center of lateral partitions 4 by the concrete opening 4a larger at area, and concrete circulation breach 4b is set at the corner location of lateral partitions 4, further facilitate the mobility of concrete 9 in steel box-girder inner chamber a, the a small amount of air in steel box-girder inner chamber a is effectively prevented cannot, from the situation steam vent 1b discharge steel box-girder, the pouring quality of filling concrete 9 in steel box-girder inner chamber a to be guaranteed in concrete 9 irrigation process.
3rd, see Fig. 4, the utility model by having additional longitudinal stiffener 8 in the middle of twice on the outer wall of the web 3 of two pieces of steel flanged beam, longitudinal stiffener 8 in the middle of the twice of every side is made to improve the bending bearing capacity of steel box-girder with upper longitudinal stiffener 5 and the acting in conjunction of lower longitudinal stiffener 6 and to improve the stability of web 3, and, be conducive to the flexibility of conversion layer position, the number of floor levels making it possible to change is improved.
4th, see Fig. 8-1 to Fig. 8-3, the utility model is by being divided into top box room a1 and nowel room a2 with longitudinal baffle 10 by the inner chamber a of steel box-girder, and concrete 9 is filled in the a1 of top box room, when this steel flanged beam steel case conversion beam is by Moment, top box room a1 bears pressure by the concrete 9 of filling, nowel room a2 bears pulling force by steel, therefore, make this steel flanged beam steel case conversion beam compared with empty van beam, make pressure zone steel plate stability better in case room, pressure zone owing to being filled with concrete, compared with the steel box-girder tamped completely, then reduce deadweight, and avoid the situation of the concrete destruction that tensile region may occur.
5th, see Fig. 9 to Figure 11, the utility model is by being applied in the connecting structure with reinforced concrete shear wall by steel flanged beam steel case conversion beam, reinforcing bar 12 lower end being arranged in steel flanged beam steel case conversion beam concrete casting mouth 1a scope in two placing of reinforcements of reinforced concrete shear wall 11 is made to stretch into the inner chamber a of tube-shaped main body from concrete casting mouth 1a and to be anchored at concrete 9, reinforcing bar 12 lower end be positioned at outside steel flanged beam steel case conversion beam concrete casting mouth 1a scope is welded and fixed with the twice steel plate 13 of steel flanged beam steel case conversion beam respectively, thus the overlap joint problem solved between reinforced concrete shear wall 11 and conversion beam, add the connection reliability of conversion beam and reinforced concrete shear wall 11.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the cross section structure schematic diagram of steel box-concrete beam of remaining silent of the prior art;
Fig. 2 is the steel flanged beam steel case conversion beam of the utility model embodiment one plan structure schematic diagram with transparent effect when being applied to conversion layer, there is shown the four steel flanged beam steel case conversion beam Z1 ~ Z4 be applied in certain conversion layer;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the perspective view of steel flanged beam steel case conversion beam between B1 to the B2 position of Fig. 2 of the utility model embodiment one;
Fig. 5 is the cross section structure schematic diagram that the steel flanged beam steel case conversion beam of the utility model embodiment one is positioned at the B1 position of Fig. 2;
Fig. 6 is the cross section structure schematic diagram that the steel flanged beam steel case conversion beam of the utility model embodiment one is positioned at the C position of Fig. 2;
Fig. 7 is the cross section structure schematic diagram that the steel flanged beam steel case conversion beam of the utility model embodiment one is positioned at the D position of Fig. 2;
Fig. 8-1 is the cross section structure schematic diagram of steel flanged beam steel case conversion beam corresponding to the B1 position of Fig. 2 of the utility model embodiment two;
Fig. 8-2 is the cross section structure schematic diagram of steel flanged beam steel case conversion beam corresponding to the C position of Fig. 2 of the utility model embodiment two;
Fig. 8-3 is the cross section structure schematic diagram of steel flanged beam steel case conversion beam corresponding to the D position of Fig. 2 of the utility model embodiment two;
Fig. 9 is the plan structure schematic diagram of the conversion beam of the utility model embodiment three and the connecting structure of reinforced concrete shear wall;
Figure 10 is the E-E sectional view of Fig. 9;
Figure 11 is the F-F sectional view of Fig. 9.
Detailed description of the invention
Embodiment one
As shown in Figures 2 to 7, the steel flanged beam steel case conversion beam of the utility model embodiment one, comprises steel box-girder and concrete 9.Wherein, the four steel flanged beam steel case conversion beam Z1 ~ Z4 be applied in certain conversion layer have been shown in Fig. 2, two place bearing J1, J2 that steel flanged beam steel case conversion beam Z1 is adjacent, and two place bearing J3, J4 that steel flanged beam steel case conversion beam Z2 is adjacent, wherein, bearing J1 is the bean column node of steel flanged beam steel case conversion beam Z1 and structural column G1, and bearing J2 is the bean column node of steel flanged beam steel case conversion beam Z1 and structural column G2.
Above-mentioned steel box-girder has the tube-shaped main body be formed by connecting by top board 1, base plate 2 and two blocks of webs 3, be provided with the polylith lateral partitions 4 along tube-shaped main body axial distribution in the inner chamber a of this tube-shaped main body, the layout quantity of lateral partitions 4 and spacing distance should be arranged by the regulation about stiffening rib in 4.3 joints of Code for design of steel structures GB50017.The outer wall of two blocks of webs 3 is equipped with longitudinal stiffener 5, longitudinal stiffener 8 in the middle of twice, lower longitudinal stiffener 6 and each block lateral partitions 4 corresponding are provided with one transverse stiffener 7, upper longitudinal stiffener 5 and lower longitudinal stiffener 6 all extend along the axis of tube-shaped main body, every one transverse stiffener 7 is all arranged between longitudinal stiffener 5 and lower longitudinal stiffener 6, every middle longitudinal stiffener 8 together all extends along the axis of tube-shaped main body, in the middle of twice on same web 3, between the upper longitudinal stiffener 5 of longitudinal stiffener 8 on this web 3 and lower longitudinal stiffener 6, uniform intervals distributes.
Above-mentioned top board 1 is uncovered across being equipped with one group of local corresponding to each of conversion beam, each group is locally uncovered includes an a concrete casting mouth 1a and at least two steam vent 1b, wherein, conversion beam one such as, across referring to its any one part between adjacent two place's bearings, the part of steel flanged beam steel case conversion beam Z1 between bearing J1 and bearing J2, the part of steel flanged beam steel case conversion beam Z2 between bearing J3 and bearing J4 in Fig. 1.Concrete casting mouth 1a during each group local is uncovered be all arranged on conversion beam corresponding across centre position, and the maximum length L1 of this concrete casting mouth 1a is arranged on top board 1, and to be positioned at conversion beam corresponding to scope length L2's
breadth Maximum W1 is arranged on top board 1 width W 2
wherein, concrete casting mouth 1a and the length direction of top board 1 axial vertical then with steel box-girder of axial, width that all refer to steel box-girder; Steam vent 1b is round hole, each group local uncovered all conversion beam correspondence across two hogging moment areas within the scope of be respectively equipped with at least one steam vent 1b, and above the clearance space of each steam vent all between adjacent two pieces of lateral partitions 4.
Each block lateral partitions 4 above-mentioned is equipped with concrete opening 4a and four concrete circulation breach 4b, concrete opening 4a is positioned at the center of lateral partitions 4, it is the irregularly-shaped hole be made up of rectangular central portion, semi-circular upper portions and semicircular-shaped lower portion, and concrete circulation breach 4b is sector notch; Four concrete circulation breach 4b lay respectively at the corner location of lateral partitions 4, and it is that the abnormity be made up of rectangular central portion, semicircle front portion and semicircle rear portion is uncovered.
Above-mentioned concrete 9 is by the concrete casting mouth 1a on each top board 1, concrete opening 4a in each piece of lateral partitions 4 and concrete circulation breach 4b is filled in the inner chamber a of steel box-girder, specifically: for the conversion layer adopting this steel flanged beam steel case conversion beam, after steel box-girder welding procedure completes, concrete 9 is poured onto in the inner chamber a of steel box-girder from each concrete casting mouth 1a top board 1 respectively, and concrete 9 from after concrete casting mouth 1a enters can by the concrete opening 4a each piece of lateral partitions 4 and concrete circulation breach 4b flow to conversion beam each across two ends, and, in the flow process of concrete 9, air in steel box-girder inner chamber a is discharged to outside steel box-girder by each steam vent 1b on top board 1, make concrete 9 can complete filling to steel box-girder inner chamber a fast, greatly facilitate the pouring of concrete 9 in work progress, improve concrete pouring efficiency.
Further, the uncovered distribution mode in local is set to by the present embodiment one: each concrete casting mouth 1a be all positioned at conversion beam corresponding across centre position and maximum length L1 is arranged on top board 1 that to be positioned at conversion beam corresponding to scope length L2's
breadth Maximum W1 is arranged on top board 1 width W 2
each steam vent 1b to be all arranged within the scope of hogging moment area and above clearance space between adjacent two pieces of lateral partitions 4, reducing local to greatest extent by such distribution mode and uncoveredly offer the harmful effect that the bearing capacity of steel box-girder is caused, ensure that by offering the uncovered feasibility improving concrete casting efficiency in local; Compare through carrying out finite element method (fem) analysis to this steel flanged beam steel case conversion beam with existing steel box-concrete beam of remaining silent, the uncovered bearing capacity on this steel flanged beam steel case conversion beam impact in above-mentioned local is less, and the Bend performance of this steel flanged beam steel case conversion beam, torsional property, vertical shear behavior and the local stability steel box-concrete beam of remaining silent that non-beginning portion is uncovered in prior art do not reduce.
And due to the present embodiment one the top board 1 of steel box-girder offered multiple large-area concrete casting mouth 1a under the prerequisite not affecting steel box-girder supporting capacity as much as possible expand the uncovered area in local, reduce steel using amount and the deadweight of steel box-girder significantly, not only material-saving saving of labor, can also make to build top infrastructure cost and reduce, alleviate ground heavy burden, the further overall cost reducing building; And, this steel flanged beam steel case conversion beam is owing to can also have enough large intensity and bearing capacity, therefore, this steel flanged beam steel case conversion beam is applicable to conversion of encorbelmenting in highrise building, large span conversion, can guarantee the feasibility of the setting of conversion layer in highrise building.
Embodiment two
As shown in Fig. 8-1 to Fig. 8-3, the steel flanged beam steel case conversion beam of the utility model embodiment two is substantially identical with embodiment one, their difference is: in the present embodiment two, be provided with longitudinal baffle 10 in the inner chamber a of steel box-girder tube-shaped main body, this longitudinal baffle 10 extends along the axis of tube-shaped main body and the inner chamber a of tube-shaped main body is divided into top box room a1 and nowel room a2; Concrete opening 4a is positioned at top box room a1, and concrete 9 is filled in the a1 of top box room, without Concrete Filled in the a2 of nowel room; Four concrete circulation breach 4b of lateral partitions 4 are separately positioned on the corner location that lateral partitions 4 is positioned at the part of top box room a1.By such setting, when the steel flanged beam steel case conversion beam of the present embodiment two is by Moment, top box room a1 bears pressure by the concrete 9 of filling, nowel room a2 bears pulling force by steel, therefore, makes this steel flanged beam steel case conversion beam compared with empty van beam, make pressure zone steel plate stability better in case room, pressure zone owing to being filled with concrete, compared with the steel box-girder tamped completely, then reduce deadweight, and avoid the situation of the concrete destruction that tensile region may occur.
Embodiment three
As shown in Figures 9 to 11, the conversion beam of the utility model embodiment three and the connecting structure of reinforced concrete shear wall, comprise conversion beam and be arranged on the reinforced concrete shear wall 11 on this conversion beam.Wherein, conversion beam in this present embodiment three adopts steel flanged beam steel case conversion beam, and the steel flanged beam steel case conversion beam in the present embodiment three and above-described embodiment one or embodiment two substantially identical, difference is: the steel flanged beam steel case conversion beam in the present embodiment three has additional the steel plate 13 of twice for connecting reinforcement concrete shear force wall 11 at top board 1 upper end face part be positioned at outside concrete casting mouth 1a, and this twice steel plate 13 all extends along the axis of tube-shaped main body.Reinforcing bar 12 lower end being arranged in steel flanged beam steel case conversion beam concrete casting mouth 1a scope in two placing of reinforcements of the reinforced concrete shear wall 11 in the present embodiment three all from concrete casting mouth 1a stretch into the inner chamber a of tube-shaped main body and be anchored at concrete 9, reinforcing bar 12 lower end be positioned at outside steel flanged beam steel case conversion beam concrete casting mouth 1a scope is welded and fixed with the twice steel plate 13 of steel flanged beam steel case conversion beam respectively.
The present embodiment three is by being applied in the connecting structure with reinforced concrete shear wall by steel flanged beam steel case conversion beam, reinforcing bar 12 lower end being arranged in steel flanged beam steel case conversion beam concrete casting mouth 1a scope in two placing of reinforcements of reinforced concrete shear wall 11 is made to stretch into the inner chamber a of tube-shaped main body from concrete casting mouth 1a and to be anchored at concrete 9, reinforcing bar 12 lower end be positioned at outside steel flanged beam steel case conversion beam concrete casting mouth 1a scope is welded and fixed with the twice steel plate 13 of steel flanged beam steel case conversion beam respectively, thus the overlap joint problem solved between reinforced concrete shear wall 11 and conversion beam, add the connection reliability of conversion beam and reinforced concrete shear wall 11.
The utility model is not limited to above-mentioned detailed description of the invention; according to foregoing; according to ordinary technical knowledge and the customary means of this area; do not departing under the utility model above-mentioned fundamental technics thought prerequisite; the utility model can also make the equivalent modifications of other various ways, replacement or change, all drops among protection domain of the present utility model.
Such as, compare through carrying out finite element method (fem) analysis to this steel flanged beam steel case conversion beam with existing steel box-concrete beam of remaining silent, the maximum length L1 of the concrete casting mouth 1a in embodiment one also can be arranged on top board 1 and be positioned at conversion beam correspondence across scope length L2's
extremely
between, Breadth Maximum W1 also can be arranged on top board 1 width W 2
extremely
between, within the scope of this, size of concrete casting mouth 1a is arranged, all can guarantee that the Bend performance of this steel flanged beam steel case conversion beam, torsional property, vertical shear behavior and the local stability steel box-concrete beam of remaining silent that non-beginning portion is uncovered in prior art do not reduce.
And for example, in above-described embodiment one, save and middle longitudinal stiffener 8 is set, this steel flanged beam steel case conversion beam can realize following effect equally: under the prerequisite that Bend performance, torsional property, vertical shear behavior and the local stability steel box-concrete beam of remaining silent that non-beginning portion is uncovered in prior art do not reduce, greatly facilitate the pouring of concrete 9 in work progress, improve concrete pouring efficiency; Further, the conversion of encorbelmenting in highrise building, large span conversion is applicable to.
For another example, in above-described embodiment, the suspension ring DH for steel box-girder lifting can be welded in the upper surface of top board 1, so that steel box-girder lifting operation at the construction field (site).
Claims (10)
1. a steel flanged beam steel case conversion beam, comprise steel box-girder and concrete (9), described steel box-girder has by top board (1), the tube-shaped main body that base plate (2) and two pieces of webs (3) are formed by connecting, the polylith lateral partitions (4) along tube-shaped main body axial distribution is provided with in the inner chamber (a) of this tube-shaped main body, each block lateral partitions (4) is equipped with concrete opening (4a), described concrete (9) is filled in the inner chamber (a) of this tube-shaped main body, the outer wall of described two pieces of webs (3) is equipped with longitudinal stiffener (5), described in lower longitudinal stiffener (6) and each block corresponding, lateral partitions (4) is provided with one transverse stiffener (7), upper longitudinal stiffener (5) and lower longitudinal stiffener (6) all extend along the axis of tube-shaped main body, every one transverse stiffener (7) is all arranged between longitudinal stiffener (5) and lower longitudinal stiffener (6), it is characterized in that: described top board (1) is uncovered across being equipped with one group of local corresponding to each of conversion beam, each group is locally uncovered includes a concrete casting mouth (1a) and at least two steam vents (1b), each organize described local uncovered in concrete casting mouth (1a) be all arranged on described conversion beam corresponding across centre position, and the maximum length (L1) of this concrete casting mouth (1a) is arranged on described top board (1), and to be positioned at described conversion beam corresponding to scope length (L2)
extremely
between, Breadth Maximum (W1) is arranged on described top board (1) width (W2)
extremely
between, each organize described local uncovered all described conversion beam corresponding across two hogging moment areas within the scope of be respectively equipped with at least one steam vent (1b), and each steam vent is all positioned at above the clearance space between adjacent two pieces of described lateral partitions (4).
2. steel flanged beam steel case conversion beam according to claim 1, it is characterized in that: described lateral partitions (4) is also provided with four concrete circulation breach (4b), these four concrete circulation breach (4b) lay respectively at the corner location of described lateral partitions (4), and described concrete opening (4a) is positioned at the center of described lateral partitions (4).
3. steel flanged beam steel case conversion beam according to claim 2, it is characterized in that: described concrete opening (4a) is the irregularly-shaped hole be made up of rectangular central portion, semi-circular upper portions and semicircular-shaped lower portion, described concrete circulation breach (4b) is sector notch.
4. steel flanged beam steel case conversion beam according to claim 1, is characterized in that: the outer wall of described two pieces of webs (3) all has additional longitudinal stiffener (8) in the middle of twice; Every together in the middle of longitudinal stiffener (8) all extend along the axis of described tube-shaped main body, be positioned at uniform intervals between upper longitudinal stiffener (5) on this web (3) of twice centre longitudinal stiffener (8) on same web (3) and lower longitudinal stiffener (6) and distribute.
5. steel flanged beam steel case conversion beam according to claim 1, it is characterized in that: be provided with longitudinal baffle (10) in the inner chamber (a) of described tube-shaped main body, this longitudinal baffle (10) extends along the axis of described tube-shaped main body and the inner chamber (a) of described tube-shaped main body is divided into top box room (a1) and nowel room (a2); Described concrete opening (4a) is positioned at top box room (a1), and described concrete (9) is filled in described top box room (a1), without Concrete Filled in described nowel room (a2).
6. steel flanged beam steel case conversion beam according to claim 5, it is characterized in that: described lateral partitions (4) is also provided with four concrete circulation breach (4b), these four concrete circulation breach (4b) are separately positioned on the corner location that described lateral partitions (4) is positioned at the part of top box room (a1).
7. steel flanged beam steel case conversion beam according to claim 1, is characterized in that: described concrete casting mouth (1a) is that the abnormity be made up of rectangular central portion, semicircle front portion and semicircle rear portion is uncovered.
8. steel flanged beam steel case conversion beam according to claim 1, is characterized in that: described steam vent (1b) is round hole.
9. the steel flanged beam steel case conversion beam according to claim 1 to 8 any one, it is characterized in that: described top board (1) upper end face part be positioned at outside described concrete casting mouth (1a) is provided with the steel plate (13) of twice for connecting reinforcement concrete shear force wall (11), and this twice steel plate (13) all extends along the axis of described tube-shaped main body.
10. the connecting structure of a conversion beam and reinforced concrete shear wall, comprise conversion beam and be arranged on the reinforced concrete shear wall (11) on this conversion beam, it is characterized in that: described conversion beam adopts steel flanged beam steel case conversion beam according to claim 9; Reinforcing bar (12) lower end being arranged in described steel flanged beam steel case conversion beam concrete casting mouth (1a) scope in two placing of reinforcements of described reinforced concrete shear wall (11) all from concrete casting mouth (1a) stretch into the inner chamber (a) of described tube-shaped main body and be anchored at described concrete (9), reinforcing bar (12) lower end be positioned at outside described steel flanged beam steel case conversion beam concrete casting mouth (1a) scope is welded and fixed with the twice steel plate (13) of described steel flanged beam steel case conversion beam respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606700.5U CN204983309U (en) | 2015-08-12 | 2015-08-12 | Joint construction of real abdomen formula steel case conversion roof beam and this conversion roof beam and reinforced concrete shear force wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606700.5U CN204983309U (en) | 2015-08-12 | 2015-08-12 | Joint construction of real abdomen formula steel case conversion roof beam and this conversion roof beam and reinforced concrete shear force wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204983309U true CN204983309U (en) | 2016-01-20 |
Family
ID=55117691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520606700.5U Expired - Fee Related CN204983309U (en) | 2015-08-12 | 2015-08-12 | Joint construction of real abdomen formula steel case conversion roof beam and this conversion roof beam and reinforced concrete shear force wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204983309U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064578A (en) * | 2015-08-12 | 2015-11-18 | 广东省建筑设计研究院 | Full-web type steel box transfer beam and connecting structure of full-web type steel box transfer beam and reinforced concrete shear wall |
| CN112359702A (en) * | 2020-11-02 | 2021-02-12 | 中铁五局集团第一工程有限责任公司 | Steel box girder bridge and manufacturing method thereof |
| CN114687448A (en) * | 2022-06-02 | 2022-07-01 | 清华大学 | Transfer beam, building structure and construction method |
-
2015
- 2015-08-12 CN CN201520606700.5U patent/CN204983309U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064578A (en) * | 2015-08-12 | 2015-11-18 | 广东省建筑设计研究院 | Full-web type steel box transfer beam and connecting structure of full-web type steel box transfer beam and reinforced concrete shear wall |
| CN112359702A (en) * | 2020-11-02 | 2021-02-12 | 中铁五局集团第一工程有限责任公司 | Steel box girder bridge and manufacturing method thereof |
| CN114687448A (en) * | 2022-06-02 | 2022-07-01 | 清华大学 | Transfer beam, building structure and construction method |
| CN114687448B (en) * | 2022-06-02 | 2022-09-02 | 清华大学 | Transfer beam, building structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106677049B (en) | Assembled steel-concrete combined structure bridge and construction method | |
| CN202139530U (en) | Single cell box long cantilever and box girder integrated structure | |
| CN105256713B (en) | Semi-assembly type steel concrete composite beam and construction method thereof | |
| CN103882798B (en) | The reinforced concrete arch bridge of the powerful skeleton of a kind of concrete filled steel tube and construction method thereof | |
| CN204983309U (en) | Joint construction of real abdomen formula steel case conversion roof beam and this conversion roof beam and reinforced concrete shear force wall | |
| CN206873730U (en) | A kind of steel bar truss floor structure | |
| CN106284840B (en) | A kind of second pouring steel reinforced concrete frame beam and its construction method | |
| CN104763086B (en) | A kind of assembly type self-supporting mould of rib floor | |
| CN209163218U (en) | A kind of novel concrete-filled steel square tubular column reinforced using cross floor | |
| CN108086135A (en) | A kind of assembled steel tube constrains reinfored concrete line frame bridge pier | |
| CN103422568B (en) | Overhanging wall cap building structure system for shear wall barrel of high-rise building | |
| CN104929242B (en) | Hollow core tube structure system of high-rise building frame | |
| CN209637113U (en) | A kind of band lacing wire concrete-filled double skin steel tube pours building body | |
| CN208293400U (en) | A kind of ultra-high performance concrete-part girder steel combination bent cap | |
| CN105064578A (en) | Full-web type steel box transfer beam and connecting structure of full-web type steel box transfer beam and reinforced concrete shear wall | |
| CN110016964A (en) | A kind of assembled steel concrete combined joint connection structure and its construction method | |
| CN107034793A (en) | A kind of ruggedized construction of arch bridge spandrel arch circle | |
| CN202227480U (en) | Floor connecting structure of light steel house | |
| CN108729545A (en) | The connecting joint structure and construction method of circular steel tube concrete column and reinforced beam | |
| CN103046462B (en) | Steel box component and steel box-concrete combined U-shaped girder composed of same | |
| CN202672353U (en) | Panel constraint type concrete filled steel tube composite column-steel beam joint | |
| CN108103950A (en) | A kind of Combined steel structure highway bridge assembling process | |
| CN106836556A (en) | A kind of composite reinforcing steel bar cage truss support shear wall | |
| CN204715526U (en) | A kind of frame hollow core wall structure system of highrise building | |
| CN209584813U (en) | Frame bridge system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20190812 |