Shatter-proof, prefabricated steel bar girder shear wall Temperature Variation In Buildings of Mixed Structures thing
Technical field
The utility model relates to building field, at length says it is a kind of shatter-proof, prefabricated steel bar girder shear wall Temperature Variation In Buildings of Mixed Structures thing.
Background technology
As everyone knows, in recent years, building green, energy-conservation, healthy building has become our fundamental state policy, with standardization, industry, turn to the industrialization the mode of project construction of sign, require engineering construction batch production to be made as in advance master, on-the-spot mechanization assembling coordinates, but concrete component prefabricated needs template system more complicated, the cost of use higher, the inconvenient operation, the globality that connect between member are poor, have influence on the development of pre-cast building, be therefore badly in need of finding a kind of technical measures that address these problems; In order to realize above-mentioned target, all parts of the country all meet the building structure technology of this target in active research at present, the Assembling link technique that comprises steel structure member prefabricating technique, reinforced concrete member prefabricating technique, concrete and steel combined member technology and these building structural elements, has begun to take shape the Temperature Variation In Buildings of Mixed Structures that different materials member forms; But because design, manufacturing technology and the on-the-spot mechanization overall package of certain structures member are with to be connected structure unreasonable, not enough, also there is being permitted many-sided problem in research and development, urgently improvement; In addition, by seismic hazard analysis in recent years, aseismatic design has had larger progress, from single seismic design, being improved to damping is combined with seismic design, and then the shatter-proof design that is improved to again to improve structure and member energy dissipation capacity, recognize that improving prefabricated building structure globality, being out of shape power consumption property is shockproof important measures, particularly steel building shockproof properties is optimum, therefore need to research and develop energetically prefabricated, steel building; Meanwhile, the syndeton between the stair in building structure, structural element and masonry filler wall, also, often because Structural Tectonics is dealt with improperly and gone wrong, increases the weight of earthquake disaster.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of shatter-proof, prefabricated steel bar girder shear wall Temperature Variation In Buildings of Mixed Structures thing; Steel construction piece and steel concrete combined member have good switching performance, and Prefabrication that can better implementation structure member is connected with Assembling; This makes, and building has good earthquake-proof function, structural element size is accurate, quality control is excellent, promote architecture quality, high life is durable, improve to greatest extent operating personnel's work situation, shorten the construction period, reduce construction costs; The higher steel of this building structural element working strength, can realize large span simultaneously, and after the several years, easily repacking renewal of building, can embody high-durability.
The utility model solves the technical scheme that its technical problem adopts: a kind of shatter-proof, prefabricated steel bar girder shear wall Temperature Variation In Buildings of Mixed Structures thing, be provided with basis, basis is connected with shear wall and steel column lower end respectively, the upper end of shear wall and steel column is connected with girder steel, shear wall and girder steel are connected with laminated floor slab, in plane, monolithic shear wall is by being connected to form tube shear wall with steel column, vertical upper section shear wall is connected with lower section shear wall, tread is connected with supporting beam, and self-supporting masonry filler wall is connected with body junction member; It is characterized in that:
Shear wall adopts precast reinforced truss concrete structure, shear wall periphery is provided with steel frame, steel frame is together with steel bar truss welding, shear wall metope is provided with pre-embedded steel slab, the steel plate bracket that on it, welding is connected with laminated floor slab, stiffener and junction plate, on junction plate, offer slotted hole, shear wall metope is also provided with the pre-embedded steel slab being connected with girder steel, the angle type junction plate that on it, welding is connected with girder steel, on realizing, the connection of lower section shear wall, upper end at shear wall is provided with pit, on the steel frame of lower end, be welded with short structural steel connecting member, the tube shear wall that is connected to form of realizing being connected of shear wall and steel column and then realizing two shear walls in plane by establishing splined arrangement,
On the upper flange of girder steel, be welded with the junction plate and the stiffener that are connected with laminated floor slab, on junction plate, offer slotted hole;
Laminated floor slab is comprised of precast plate and on-the-spot cast-in-situ concrete two parts, in its bottom precast plate, be embedded with the unidirectional or two dimension prestressing reinforcing bar and the light reinforcing bar that are connected with girder steel, shear wall, light reinforcing bar end is processed with slotted hole, is welded on the upper surface end that stiffener on supporting beam and shear wall is laid in precast plate;
In the basis, position that steel column is installed, be embedded with crab-bolt, the anchor hole of the steel column pin steel plate of steel column lower end on steel column axis offered into oval anchor hole, steel column is connected with basis by crab-bolt by steel column pin steel plate, in slotted hole, in crab-bolt, there is sleeve pipe, in sleeve pipe, be perfused with elastic anti-corrosion material, cast-in-situ concrete between steel column pin steel plate and basis;
At basis, the position end face that shear wall is installed, be reserved with pit, basis end face is embedded with shape steel plate, the short structural steel connecting member of shear wall lower end inserts in pit, the steel frame of shear wall lower end and the shape steel plate of basic end face weld together, and in the gap in pit and between shear wall and basis, paving is filled with cement slurry;
Steel column is connected with girder steel, all adopt high-strength bolt to connect, the web of girder steel and lower wing plate are connected with steel column and fix by pressure-bearing type by high-strength bolt through angle type junction plate, between angle type junction plate and steel column, be provided with rubber mat plate, the main pulling force district upper flange of girder steel is directly connected and fixed by friction-type by high-strength bolt and steel column through angle type junction plate;
Girder steel is connected with laminated floor slab, laminated floor slab is placed on girder steel upper flange, with bolt, through the slotted hole on the slotted hole of light reinforcing bar end and the junction plate of girder steel upper flange top welding, fix, the stiffener simultaneously welding on girder steel upper flange is connected with laminated floor slab;
Being connected between girder steel and shear wall, the web of girder steel and lower wing plate and angle type junction plate are connected and fixed by pressure-bearing type by high-strength bolt, by between being connected of angle type junction plate and steel beam web plate and lower wing plate, add a rubber mat plate, the main pulling force district upper flange of girder steel directly and angle type junction plate by high-strength bolt, by friction-type, be connected and fixed, angle type junction plate is welded on the pre-embedded steel slab of shear wall metope;
Shear wall is connected with laminated floor slab, laminated floor slab is directly placed on the steel plate bracket of shear wall, with bolt, through the slotted hole on the junction plate welding on the slotted hole of light reinforcing bar end and shear wall metope pre-embedded steel slab, fix, the stiffener simultaneously welding on shear wall metope pre-embedded steel slab is connected with laminated floor slab;
Upper section shear wall is connected with lower section shear wall, the short structural steel connecting member welding on the steel frame of upper section shear wall lower end is inserted in the pit of lower section shear wall upper end, the steel frame of the steel frame of upper section shear wall lower end and lower section shear wall upper end welds together, in the pit of lower section shear wall upper end, first fill with cement slurry, between upper section shear wall and lower section shear wall, behind gap, fill with cement slurry;
Steel column is connected with shear wall end face, by welding and splined arrangement, complete, when being connected with steel column, shear wall welds short structural steel connecting member at shear wall end face, steel column is by the wing plate of the shear wall end face one side mouth of boxing out, during installation, the short structural steel connecting member of shear wall end face welding inserts in the aperture of steel column, the steel frame welded closure of both sides, aperture steel plate and shear wall end face, concrete perfusion after in steel column, realizes the connection of shear wall and steel column by welding and keyway like this and then realizes the tube shear wall that is connected to form of two shear walls in plane;
Tread is connected with supporting beam, several places hinged bearing device is kept somewhere in the lower end of supporting beam and tread, hinged bearing device is in the supporting beam upper flange gangboard hole of boxing out upstairs, the reserved pit of hole location and the pre-buried steel bushing with internal thread of pit bottom on the corresponding supporting beam below of tread lower end, during on-the-spot installation tread, steel connecting rod with mantle fiber is screwed into the pre-buried steel bushing of pit bottom below step plate lower end, in the pit of steel bushing outside, fill up elastic anti-corrosion material, when lifting step plate is in place, steel connecting rod under step plate is inserted in the reserved hole of top surface of the beam and fixed with nut, between supporting beam and the upper end of tread, keeping somewhere several places slidably installs, slidably device is to box out on steel beam web plate, the pre-buried steel bushing with internal thread of upper side of corresponding tread, after lifting step plate is in place, the steel connecting rod with mantle fiber is screwed into through boxing out on steel beam web plate in the pre-buried steel bushing of the upper side of step plate and fixes with nut, need between the upper side of web side and step plate, maintain enough sliding spaces,
Self-supporting masonry filler wall is connected with body junction member, between the body junction member of building and self-supporting masonry filler wall, keeps somewhere a seam, crams flexible material in seam, is provided with connector between major structure of construction part and self-supporting masonry filler wall simultaneously.
The utility model also can be achieved by the following measures:
The steel bar girder of shear wall is multilayer; On the pre-embedded steel slab of shear wall metope and steel frame, be welded with the anchor pole of anchorage effect; Shear wall end is provided with the reinforced frame of edge constraint member;
The cross section of girder steel is I shape or amphisternous I-shaped.
Steel column cross section be H type or
mouthfultype; The steel column being connected with shear wall is perforate mouth steel pipe column, poured in place concrete in steel pipe.
The precast plate upper surface of laminated floor slab is uneven, and light reinforcing bar top is processed with notch, lays the top reinforcement of laminated floor slab in notch.
Girder steel, shear wall are connected with laminated floor slab, from the supporting beam of laminated floor slab, the stiffener that shear wall welds out, straight tiling is placed on the precast plate upper surface of laminated floor slab, realizing the prestressed reinforcement overlap joint reserving with precast plate is connected, laminated floor slab top reinforcement is connected with supporting girder steel, the shear wall of laminated floor slab, the precast plate top poured in place concrete of laminated floor slab covers top reinforcement, light reinforcing bar, junction plate, stiffener, complete laminated floor slab and with being connected of girder steel, shear wall.
Self-supporting masonry filler wall is connected with body junction member, major structure of construction part is post, beam or shear wall, the elastomeric material of cramming in seam between self-supporting masonry filler wall and body junction member is followed successively by, waterproof sealing layer, substrate layer, thermal insulation trapping are every vapour anticorrosive coat, substrate layer, sealing decorative layer, and the connector between major structure of construction part and self-supporting masonry filler wall is angle type tensile members.
The beneficial effects of the utility model are: structure, member has utilized the tough performance of steel structure material good, intensity is high, distortion power consumption is large, element precast rate is high, bolt-weld easy to connect, concrete material compressive strength is high, rigidity is large, steel and concrete are in conjunction with reliable feature, the structural member of steel and concrete composition is pressed to the difference that structure stress distributes, be arranged to Temperature Variation In Buildings of Mixed Structures, make building structural element and various material performance maximum capacity, the structure of structural element is reasonable, the globality connecting between structural element, seismic resistance is reliable, guarantee building safety, economical and durable, steel construction piece and steel concrete combined member have good switching performance, and Prefabrication that can better implementation structure member is connected with Assembling, the processing of the syndeton between the stair in building structure, structural element and masonry filler wall, has improved earthquake-proof function, effectively reduces earthquake disaster, this makes, and building has good earthquake-proof function, structural element size is accurate, quality control is excellent, promote architecture quality, high life is durable, improve to greatest extent operating personnel's work situation, shorten the construction period, reduce construction costs, the higher steel of this building structural element working strength, can realize large span simultaneously, and after the several years, easily repacking renewal of building, can embody high-durability.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is combination construction schematic perspective view of the present utility model
Fig. 2 is combination construction generalized section of the present utility model
Fig. 3 is the utility model girder steel vertical section schematic diagram
Fig. 4 is the utility model girder steel schematic cross section ()
Fig. 5 is the utility model girder steel schematic cross section (two)
Fig. 6 is the utility model shear wall schematic diagram
Fig. 7 is the steel bar girder schematic diagram of the utility model shear wall
Fig. 8 is the utility model laminated floor slab schematic diagram
Fig. 9 is the utility model basis and steel column connection diagram
Figure 10 is the utility model steel column pin steel plate schematic diagram
Figure 11 is the utility model basis and shear wall connection diagram
Figure 12 is the connection diagram of the utility model steel column and girder steel
Figure 13 is the connection diagram of the utility model girder steel and laminated floor slab
Figure 14 is the connection diagram of the utility model girder steel and shear wall
Figure 15 is the connection diagram of the utility model shear wall and laminated floor slab
Figure 16 is the connection diagram of the utility model shear wall and shear wall
Figure 17 is the connection diagram of the utility model steel column and shear wall
Figure 18 is the utility model stair schematic diagrames
Figure 19 is the utility model tread lower end and beam connection diagram
Figure 20 is the utility model tread upper end and beam connection diagram
Figure 21 is that the utility model masonry filler wall is connected floor map with body junction member
Figure 22 is that the utility model masonry filler wall is connected generalized section with body junction member
Figure 23 is the angle type tensile members schematic diagram that the utility model masonry filler wall is connected with body junction member
1. steel columns in figure, 2. girder steel, 3. shear wall, 4. dowel, 5. laminated floor slab, 6. basis, 7. web, 8. upper flange, 9. lower wing plate, 10. junction plate, 11. steel bar girders, 12. steel frames, 13. anchor poles, 14. precast concretes, 15. pre-embedded steel slabs, 16. pits, 17. short structural steel connecting members, 18. crab-bolt circular holes, 20. reinforced frames, 21. precast plates, 22. light reinforcing bars, 23. slotted holes, 24. notches, 25. top reinforcementes, 26. prestressed reinforcements, 27. stiffeners, 28. poured in place concretes, 29. crab-bolts, 30. steel column pin steel plates, 31. oval anchor hole, 32. sleeve pipes, 33. backing plates, 34. nuts, 35. elastic anti-corrosion materials, 36. pads, 37. shape steel plates, 38. cement slurries, 41. rubber mat plates, 42. high-strength bolts, 43. high-strength bolts, 44. high-strength bolt holes, 45. jiaos of type junction plates, 47. pads, 48. steel plate brackets, 49. strengthen steel plate, 50. apertures, 51. treads, 52. upper end supporting beams, 53. lower end supporting beams, 54. stair tread, 55. sliding spaces, 56. steel bushings, 57. pits, 58. rubber pads, 59. steel connecting rods, 60. backing plates, 61. nuts, 62. rubber cushion blocks, 63. holes, 64. holes, 65. building block infilled walls, 66. steel columns, 67. jiaos of type tensile members expanded metal laths, 68. substrate layers, 69. bolts, 70. sealing decorative layers, 71. waterproof sealing layers, 72. thermal insulation trappings are every vapour anticorrosive coat, 73. masonry mortar joints.
The specific embodiment
As shown in Fig. 1-Figure 23, the utility model building mainly comprises: steel column 1, girder steel 2, precast shear wall 3, laminated floor slab 5, basis 6, basis 6 is connected with steel column 1, basis 6 is connected with shear wall 3, steel column 1 is connected with girder steel 2, girder steel 2 is connected with laminated floor slab 5, girder steel 2 is connected with shear wall 3, shear wall 3 is connected with laminated floor slab 5, shear wall 3 two sections connect, steel column 1 is connected with shear wall 3, and precast stair step plate 51 is connected with upper end supporting beam 52, lower end supporting beam 53, and self-supporting masonry filler wall 65 is connected with body junction member.
The concrete enforcement of each structural member and connection thereof:
Girder steel 2, referring to accompanying drawing 3,2 minutes two kinds of section forms of girder steel, referring to accompanying drawing 4,5, girder steel 2 need be welded with junction plate 10 and stiffener 27 by vertical beam axis direction when factory process directly over cross section upper flange 8, offers the slotted hole 23 being connected with the light reinforcing bar 22 of laminated floor slab 5 on junction plate 10; According to the stressed envelope diagram of girder steel 2, main tensile region wing plate high-strength steel, pressure area wing plate common iron, upper flange 8, lower wing plate 9 and web 7 welding.
Precast shear wall 3, referring to accompanying drawing 6, 7, the inner institute of this shear wall 3 joins reinforcing bar and adopts steel bar girder 11, be connected with other member in addition pre-embedded steel slab 15 of use of shear wall 3 metopes, peripheral band steel frame 12, anchor pole 13 is little shaped steel, steel plate strip, dowel and peg, steel frame 12, pre-embedded steel slab 15 and precast concrete 14 be also connected by with steel frame 12, the anchor pole 13 of pre-embedded steel slab 15 welding is realized, steel bar girder 11 and 12 welding of steel frame, shear wall has edge constraint stiffener frame 20, shear wall 3 upper ends reserve pit 16, short structural steel connecting member 17 is welded in lower end, concrete manufacture implemented: first in workshop, the steel bar girder of shear wall 3 11 and steel frame 12 and pre-embedded steel slab 15 is integrally welded, attention steel frame 12 and pre-embedded steel slab 15 should be stepped back the surperficial 15mm of shear wall 3, between two-layer steel bar girder 11, with dowel 4, locate, secondly steel bar girder 11 is placed on the punching block platform of production line, periphery side form is fixed by magnetic box, and by steel frame 12, pre-embedded steel slab 15 and the fixation of pit box, last concreting completes.
Laminated floor slab is comprised of precast plate 21 and on-the-spot cast-in-situ concrete 28 2 parts, referring to accompanying drawing 8, laminated floor slab bottom is the prestressed concrete precast plate 21 that is prefabricated in the factory and produces, wherein be embedded with light reinforcing bar 22, slotted hole 23 is offered on light reinforcing bar 22 tops, termination, the elongated notch 24 of determining floor top reinforcement 25 accurate locations that is furnished with in light reinforcing bar 22 tops, precast plate 21 upper surfaces of laminated floor slab are uneven, precast plate 21 upper surface ends are covered with stiffener 27, in precast plate 21, be provided with prestressed reinforcement 26, laminated floor slab 5 tops are poured in place concrete 28; Concrete manufacture implemented: first on the punching block platform of shop production line, the prestressed reinforcement of laminated floor slab 26 and light reinforcing bar 22 are combined into light steel skeleton, prestressed reinforcement of tensioning 26, it is standby that the top reinforcement 25 of laminated floor slab is processed into net, secondly on the punching block platform of production line, install the periphery side form of precast plate and fix by magnetic box, after concreting, cutting prestressed reinforcement 26 and complete precast plate 21; The on-the-spot precast plate 21 of installing, improves connection after-pouring concrete and completes laminated floor slab 5.
Basis 6 is connected with steel column 1, referring to accompanying drawing 9, 10, on steel column pin steel plate 30, offer the oval anchor hole 31 that allows a Direction distortion, steel column 1 is connected with basis 6 by steel column pin steel plate 30 use crab-bolts 29, the interior crab-bolt 29 of oval anchor hole 31 need add crab-bolt sleeve pipe 32 and the backing plate 33 that is not welded and fixed with steel column pin steel plate 30 completes and is connected with nut 34, the interior perfusion elastic anti-corrosion of sleeve pipe 32 material 35, all the other crab-bolts 29 are by crab-bolt circular hole 18 on steel column pin steel plate 30, fastening and the spot welding of backing plate 33 and nut 34 is with fixedly steel column and basis, between basis 6 and steel column pin steel plate 30, it is poured in place concrete 28, steel column 1 cross section is H type.
Basis 6 is connected with shear wall 3, referring to accompanying drawing 11, can implement as follows with basis 6 shear walls that are connected 3: first should be at the corresponding pit 16 of the short structural steel connecting member 17 that basic 6 end faces are reserved and shear wall 3 lower ends are reserved and according to the reserved shape steel plate 37 in unwrapping wire position, secondly in basic 6 top pits 16, fill high strength cement rubber cement 38, again in place with lifting appliance lifting shear wall 3, now need to make the short structural steel connecting member 17 of shear wall 3 lower ends aim at the pit 16 of basic 6 end faces and make shear wall 3 correctly in place according to the axis of having put well, after temporary fixed, the steel frame of shear wall 3 lower ends 12 and the reserved shape steel plate 37 of basic 6 end faces are welded through pad 36, last gap cement injection rubber cement 38 between basic 6 end faces and shear wall 3.
Steel column 1 is connected with girder steel 2, referring to accompanying drawing 12, all adopt bolt, girder steel 2 main pressure zone, cross section lower wing plates 9 and girder steel cross section web 7 adopt high-strength bolt 43 pressure-bearing types to be connected by angle type junction plate 45 with steel column 1, for realizing the beam-ends head plasticity corner distortion power consumption of bean column node, 1 of angle type junction plate 45 and steel column add rubber mat plate 41, and the aperture of the comparable high-strength bolt 42 in aperture in high-strength bolt hole 44 is slightly large; Upper flange 8 adopts high-strength bolt 42 friction-type connections with steel column 1.
Girder steel 2 is connected with laminated floor slab 5, and referring to accompanying drawing 13, light reinforcing bar 22 terminations in laminated floor slab 5 are connected by slotted hole 23 use bolts with the junction plate 10 on girder steel 2 upper flanges 8, after bolt tightening, with foam-in-place polyurethane, bolt and slotted hole 23 is protected; It is that stiffener 27 is folded into straight after precast plate 21 upper surfaces, to be laid in laminated floor slab precast plate 21 ends that stiffener 27 on girder steel 2 is connected with the precast plate 21 of laminated floor slab; The top reinforcement of laminated floor slab 5 25 and light reinforcing bar 22 spot welding are fixed, and laminated floor slab top reinforcement 25 is welded to connect with the junction plate 10 of girder steel 2, last concreting complete laminated floor slab 5 and with being connected of girder steel 2.
Girder steel 2 is connected with shear wall 3, when girder steel 2 and shear wall 3 metopes are connected being connected of same steel column 1 and girder steel 2 when vertical, just the bolt of angle type junction plate between the two 45 and steel column 1 is changed into the pre-embedded steel slab of shear wall 3 metopes and being welded by pad 47, to between angle type junction plate 45 and steel beam web plate 7 and the bolt of lower wing plate 9, add a rubber mat plate 41, the main pulling force district upper flange of girder steel 2 directly and angle type junction plate 45 by high-strength bolt 42, by friction-type, be connected and fixed, the web of girder steel 2 and lower wing plate and angle type junction plate 45 are connected and fixed by pressure-bearing type by high-strength bolt 43.Referring to accompanying drawing 14.
Shear wall 3 is connected with laminated floor slab 5, referring to accompanying drawing 15, first welding steel bracket 48 on the shear wall pre-embedded steel slab 15 with laminated floor slab connecting portion, on it, be welded to connect again plate 10 and stiffener 27, next is that the precast plate of laminated floor slab 5 21 is directly placed on shear wall 3 steel plate brackets 48, again light reinforcing bar 22 terminations of laminated floor slab 5 are connected by slotted hole 23 use bolts with the junction plate 10 on shear wall 3, after bolt tightening, with foam-in-place polyurethane, bolt and slotted hole 23 are protected, then prestressed reinforcement 26 overlap joints that the stiffener 27 welding on shear wall 3 pre-embedded steel slabs 15 reserved with precast plate 21 are connected, specifically stiffener 27 is folded into after precast plate 21 upper surfaces straight, be laid in precast plate 21 ends of laminated floor slab, the top reinforcement 25 of laminated floor slab 5 and 15 welding of the pre-embedded steel slab of precast shear wall 3, structure glue bar planting or mechanical connection, last poured in place concrete 28 complete laminated floor slab 5 and with being connected of shear wall 3.
Upper section shear wall is connected with lower section shear wall, first in mounted shear wall 3 end face pits 16, fill high strength cement rubber cement 38, secondly in place on next section shear wall 3 with mechanical hoisting the preceding paragraph shear wall 3, make shear wall lower end weld short structural steel connecting member 17 and insert the pit 16 that next section shear wall upper end reserves, adjust position to accurate, again at two section shear wall corresponding ports periphery steel frames 12, through pad 36, be welded to connect, for stressed, there is can also welding of requirement to strengthen steel plate 49, finally cement slurry 38 perfusions for gap between two section shear walls, referring to accompanying drawing 16.
Steel column 1 is connected with shear wall 3 end faces, first shear wall 3 adjustment in place is tentatively fixing, secondly by steel column 1 shear wall 3 end faces in place, adjust also temporary fixed, attention is inserted the short structural steel connecting member of shear wall end face 17 in the aperture 50 of steel column 1, then steel column 1 and the steel frame 12 of shear wall 3 are welded to connect through pad 36, last on-the-spot to the interior concreting of steel column 1, referring to accompanying drawing 17.
Tread 51 is connected with supporting beam 53, referring to accompanying drawing 18,19,20, the lower end supporting beam 53 of this tread 51 can be girder steel, and stair tread 54, for concrete slab is positioned on lower end supporting beam 53, is provided with rubber pad 58 between tread 51 and stair tread 54; Relatively fixedly hinged bearing structure is between lower end supporting beam 53 and tread 51, to keep somewhere several places hinged bearing device, this device be at girder steel upper flange, box out 64, it boxes out hole 63 upstairs in gangboard 54, the reserved pit 57 in corresponding hole 63 positions below and the pre-buried steel bushing 56 with internal thread in pit 57 bottoms of tread 51 lower ends; On-the-spot when tread 51 is installed, the steel connecting rod 59 with mantle fiber is screwed in the steel bushing 56 below tread 51 lower ends, in the pit 57 of steel bushing 56 outsides, fill up elastic anti-corrosion material; Lifting tread 51 inserts 51 times steel connecting rods of tread 59 when in place in the reserved hole 63 of girder steel end face stair tread 54 and is fixing with backing plate 60, nut 61.
The upper end supporting beam 52 of this tread 51 can be girder steel, is provided with rubber pad 58, and between upper flange, is provided with rubber cushion blocks 62 between the upper end of step plate 51 and the lower wing plate of upper end supporting beam 52; Relatively controlled sliding bearing structure is between upper end supporting beam 52 and the upper end of step plate 51, to keep somewhere several places slidably to install; This device is on steel beam web plate, to box out 64, the pre-buried steel bushing 56 with internal thread of upper side of corresponding tread 51, after lifting tread 51 is in place, the steel connecting rod with mantle fiber 59 is screwed in the pre-buried steel bushing 56 of the upper side of tread 51 through the hole 64 on steel beam web plate and fixing with backing plate 60, nut 61, need between the upper side of web side and tread 51, maintain enough sliding spaces 55, in it, fill with high resiliency anti-corrosion material.
Self-supporting masonry filler wall is connected with body junction member, agent structure comprises post, beam, shear wall, referring to accompanying drawing 21,22,23, the major structure of construction part here refers to steel column 66, building block infilled wall 65 finger bulk masonries, the connector between steel column 66 and building block infilled wall 65 is the angle type tensile members 67 that has certain deformability, refers to angle-steel expanded metals here, angle-steel expanded metals is fixed on steel column 66 through bolt 69, when infilled wall is built by laying bricks or stones, its smooth-going being pressed in masonry mortar joint 73 is fixed; Between the various Multifunctional elastic materials crammed in a seam of keeping somewhere operate successively: substrate layer 68, waterproof sealing layer 71, thermal insulation trapping are every vapour anticorrosive coat 72, substrate layer 68, sealing decorative layer 70.
The construction method of the utility model building, various structural element complete in factory, shop-fabricated, and on-the-spot mechanization lifting, adopts bolt, soldered connecing and the bonding connection of keyway cement slurry between member, and scene is exempted from template and is built part concrete and complete; Note, while being welded to connect, should avoid because continuous sequence causes prefabricated units and connecting portion concrete cracking, the temporary fixed connection of Components Composition adopts the methods such as plate and additional junction plate bolt that are welded to connect on member, between shear wall and and basis between gap cement injection rubber cement, should after preparation, in certain hour, be finished, grouting operation should be taked mud jacking perfusion, after rubber cement should seal in time when outlet is flowed out, and holds pressure certain hour, seals perfusing hole again; Step and the key points for operation of on-the-spot main assembly operation are as follows:
Basis unwrapping wire is located, and determines position and the absolute altitude of the basic cast-in fixing bolt 29 of steel column 1, shear wall basis 6 top pits 16, pre-embedded steel slab 37.
Steel column 1 and shear wall 3 are installed, according to the unwrapping wire accurate location of post, wall, first in the basic top of shear wall 3 pit 16, fill cement slurry 38, next lifts steel column 1 and shear wall 3, attention aligns the short structural steel connecting member 17 of shear wall 3 lower ends to insert pit 16, adjust respectively in place rear temporary fixed, then set bolt, welding, cement injection rubber cement 38 behind 6 gaps of shear wall 3 and basis, fills with real concrete after steel column pin steel plate 30 times; In plane, two shear wall composite couplings connect and form cylindrical shell and realize by steel column, steel column 1 is connected with shear wall 3 end faces, that shear wall 3 adjustment in place is tentatively fixing, steel column 1 shear wall 3 end faces in place, adjust also temporary fixed, attention is inserted the short structural steel connecting member of shear wall end face 17 in the aperture 50 of steel column 1, then steel column 1 and the steel frame 12 of shear wall 3 is welded to connect through pad 36, and last scene completes to the interior concreting of steel column 1.
Girder steel 2 is installed, and is first girder steel 2 hoisted in position, after adjusting and steel column 1 and shear wall 3 bolts, solid welding fixed.
Laminated floor slab 5 is installed; first clear up the steel plate bracket 48 that girder steel 2 upper flanges 8 and shear wall 3 sides weld out and emit laminated floor slab 5 positions line; secondly according to the large I of the span of laminated floor slab 5 setting unit branch support below laminated floor slab; it is in place that next lifts laminated floor slab 5; then the protection of fixing and foam of light reinforcing bar 22 and junction plate 10 use bolts; prestressed reinforcement 26 that floor top reinforcement 25, stiffener 27 reserve with laminated floor slab is installed and is overlapped and be connected, finally improve floor reserved, pre-buried and check and accept poured in place concrete 28 after floor bar.
Steel column 1 and the shear wall 3 of the second interval are installed, first clear up next story shear wall 3 and steel column 1 end face, in the end face pit 16 of shear wall 3, fill cement slurry 38, then lift steel column 1 and shear wall 3, attention aligns the pre-buried short type connector 17 of shear wall 3 lower ends to insert pit 16, adjust respectively in place rear temporary fixed, finally fixing welding.
Continue the installation of upper layer segment structure member, repeat, according to the height of building floor height steel column, shear wall interval, be generally 2-3 building floor heights; The installation of tread is followed the installation of agent structure member and is carried out afterwards; The building by laying bricks or stones of self-supporting masonry filler wall carried out after also following the installation of two the interval agent structure members in top.