CN202672335U - Pre-tensioned prestressing superposed beam building structural system - Google Patents
Pre-tensioned prestressing superposed beam building structural system Download PDFInfo
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- CN202672335U CN202672335U CN 201220314969 CN201220314969U CN202672335U CN 202672335 U CN202672335 U CN 202672335U CN 201220314969 CN201220314969 CN 201220314969 CN 201220314969 U CN201220314969 U CN 201220314969U CN 202672335 U CN202672335 U CN 202672335U
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Abstract
The utility model relates to a pre-tensioned prestressing superposed beam building structural system. According to the pre-tensioned prestressing superposed beam building structural system, prestressing superposed frame beams are arranged on a bracket of a cast-in-place frame column; secondary prestressing superposed beams are arranged on a relevant gap of the prestressing superposed frame beams and a steel bracket; a superposed plate is arranged on a strip ear of each secondary prestressing superposed beam; stressing reinforcing steel bars are arranged at the upper parts of prestressing superposed frame beam prefabricated parts, secondary prestressing superposed beam prefabricated parts and superposed plate prefabricated parts corresponding to superposed layers and are bound with exposed stirrups or shear keys of the corresponding prestressing superposed frame beams, the corresponding secondary prestressing superposed beam prefabricated parts and the superposed plate prefabricated parts; frame column stirrups are arranged at the part where the cast-in-place frame columns are connected with prestressing superposed beam prefabricated parts, and are bound with vertical stressing reinforcing steel bars of frame columns; and concrete is poured at the prestressing superposed frame beams, the secondary prestressing superposed beams, superposed plate superposing layers, and the part where the cast-in-place frame columns are connected with the prestressing superposed beams.
Description
Technical field
The utility model relates to a kind of pretensioned prestressing superposed beam house structural system, belongs to technical field of civil engineering.
Background technology
Frame construction is widely used in industrial construction, commercial building, and office, in the housing construction, but the frame structure building agent structure is mainly manufactured in complete cast-in-place mode at present, though part frame structural construction agent structure has adopted the integral precast method, but still need to be to precast plate, precast beam is set up bracing frame, but higher for floor height, the large scale industry that the space is larger and commercial building, common integral precast technology has to face the same predicament of cast-in-place structural, namely must set up higher high-supported formwork frame, so not only the formwork cost is very high, speed of application is slower, the high-supported formwork frame often easily produces destabilization problems simultaneously, causes the generation of great quality accident.
Therefore, for solving the problems of the technologies described above, necessaryly provide a kind of structure improved pretensioned prestressing superposed beam house structural system that has, to overcome described defective of the prior art.
The utility model content
For solving above-mentioned first problem, the purpose of this utility model is to provide a kind of pretensioned prestressing superposed beam house structural system of reliable in quality.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of pretensioned prestressing superposed beam house structural system, it comprises cast-in-place frame column, the beam prefabricated member of prestressing force composite frame, the superimposed secondary beam prefabricated units of prestressing force and superimposed sheet prefabricated units, and corresponding overlapping layers reinforcing bar and overlapping layers concrete; Wherein, described cast-in-place frame column arranges bracket in the absolute altitude position at the bottom of the beam prefabricated member of prestressing force composite frame; The beam prefabricated member of described prestressing force composite frame arranges breach and steel corbel in the superimposed secondary beam prefabricated units of prestressing force intersection; The superimposed secondary beam prefabricated units of described prestressing force end face is provided with along the steel concrete of the elongated setting of beam chooses ear; Described superimposed sheet prefabricated units are precast prestressed flat board or precast prestressed hollowcore slab, on it with the reinforcing bar shear key; The beam prefabricated member of described prestressing force composite frame is shelved on the bracket of described cast-in-place frame column, the superimposed secondary beam prefabricated units of described first prestressing force are placed on the corresponding breach and steel corbel that described prestressing force laminated frame sets a roof beam in place, and described superimposed sheet prefabricated units are shelved on choosing on the ear of the superimposed secondary beam of described prestressing force; In the corresponding overlapping layers in the top of the beam prefabricated member of described prestressing force composite frame, the superimposed secondary beam prefabricated units of prestressing force and superimposed sheet prefabricated units, place steel bar stress, and expose stirrup or the mutual colligation of shear key with the corresponding superimposed secondary beam prefabricated units of the beam prefabricated member of prestressing force composite frame, prestressing force and superimposed sheet prefabricated units; Place the frame column stirrup of described cast-in-place frame column and prestressing force superposed beam prefabricated units intersection, and with the mutual colligation of frame column vertical applied force reinforcing bar; In described prestressing force laminated frame set a roof beam in place, the superimposed secondary beam of prestressing force and superimposed sheet overlapping layers, and described cast-in-place frame column and prestressing force superposed beam intersection concreting.
Pretensioned prestressing superposed beam house structural system of the present utility model further is set to: the bracket end face of described cast-in-place frame column is chosen this cast-in-place frame column external surface 120 ~ 150mm; Width is with this cast-in-place frame column homonymy breadth of section, perhaps than the large 100mm ~ 200mm of prestressing force composite frame beam width of correspondence.
Pretensioned prestressing superposed beam house structural system of the present utility model further is set to: the beam prefabricated member of described prestressing force composite frame comprises the beam prefabricated member body of composite frame section; In the beam prefabricated member body of described composite frame section, comprise bottom prestressed reinforcement, waist muscle, top prestressed reinforcement, stirrup and bracket built-in fitting; Further have additional nonprestressed reinforcement in the beam prefabricated member body subordinate's edge of described composite frame.
Pretensioned prestressing superposed beam house structural system of the present utility model further is set to: be arranged with plastic pipe or parcel Polypropylence Sheet on the part bottom prestressed reinforcement of the beam prefabricated member of described prestressing force composite frame, the length of described plastic pipe or Polypropylence Sheet is not more than 1/8th of superposed beam main part length.
Pretensioned prestressing superposed beam house structural system of the present utility model further is set to: the rectangular structure of breach of the beam prefabricated member of described prestressing force composite frame, and the end face of the beam prefabricated member body of its prestressing force composite frame section is offered downwards; The rectangular structure of described steel corbel, it comprises a steel top board, and the supporting steel plate that is welded in steel top board soffit and steel corbel built-in fitting external surface; Described supporting steel plate is equidistant distribution, and its number is 2-4 piece and rectangular or trapezium structure; The end face of described steel corbel and the bottom surface of breach are contour, and this steel corbel end face is with respect to choosing 50mm outside the beam prefabricated member body of the prestressing force composite frame section.
Pretensioned prestressing superposed beam house structural system of the present utility model further is set to: the superimposed secondary beam prefabricated units of described prestressing force comprise a superposed beam prefabricated units main part; Describedly choose two sides or the single side face that ear is located at the superimposed secondary beam prefabricated units of described prestressing force main part; The two ends of the superimposed secondary beam prefabricated units of described prestressing force main part are respectively equipped with a plush copper; The superimposed secondary beam prefabricated units of described prestressing force main part, choose ear and plush copper and be integrated and build formation.
Pretensioned prestressing superposed beam house structural system of the present utility model further is set to: the cross section that the superimposed secondary beam prefabricated units of described prestressing force are chosen ear is rectangular, and its end face is concordant with superposed beam prefabricated units main part end face; This is chosen ear and outwards chooses 100mm, and arranges along the superimposed secondary beam prefabricated units of described prestressing force main part bearing of trend.
Pretensioned prestressing superposed beam house structural system of the present utility model further is set to: the cross section of the superimposed secondary beam plush copper of described prestressing force is rectangular, length is 120mm to 140mm, the bottom arranges 135 ° chamfering, the little 100mm of width of the superimposed secondary beam prefabricated units of the described prestressing force of Width main part.
Pretensioned prestressing superposed beam house structural system of the present utility model further is set to: described superimposed sheet prefabricated units reinforcing bar shear key is embedded in the described superimposed sheet prefabricated units in advance, it exposes described superimposed sheet prefabricated units upper surface, exposed parts is rectangle, end face width 20 ~ 50mm arranges along described superimposed sheet prefabricated units length, the equal spacing 500 ~ 1000mm of width.
Compared with prior art, the utlity model has following beneficial effect:
1. pretensioned prestressing superposed beam house structural system of the present utility model is applicable to the frame structure building of high floor height, large space, does not need to set up the high-supported formwork frame, except beam column, beam girder connection, and non-structure beam, slab form, work progress is safe and reliable.
2. pretensioned prestressing superposed beam house structural system of the present utility model mainly uses the machineries such as tower crane, mobile crane to carry out lifting operation, and production efficiency is higher thus, the artificial saving.
3. pretensioned prestressing superposed beam house structural system of the present utility model, can economize on resources without rapid wear materials such as wooden forms effectively because there not being the turnover materials such as the required scaffolding steel pipe of support for shuttering, fastener, cuts the waste.
4. the prefabricated units of pretensioned prestressing superposed beam house structural system of the present utility model all can prefabricated processing in prefabricated factory, the prefabricated units quality can be effectively controlled, prefabricated units can be produced in advance simultaneously, the as required supply of material, also can significantly improve construction speed thus, not take the job site land used.
5. pretensioned prestressing superposed beam house structural system of the present utility model is by arranging breach and steel corbel at frame column, Vierendeel girder, the way choose ear is set at secondary beam, so that the relevant connection member can overlap mutually in the construction stage, structure stress is reliable, safety, overlapping layers by structural beams, floor is cast-in-place again, so that all prefabricated units form a firmly integral body, structure is more safe and reliable.
6. all members of pretensioned prestressing superposed beam house structural system of the present utility model all can carry out designing and calculating according to existing code for structural design, the safety of structural element and structural entity has guarantee thus, is conducive to simultaneously carry out applying on a large scale of this utility model.
Description of drawings
Fig. 1 is the schematic diagram of the cast-in-place frame column of pretensioned prestressing superposed beam house structural system of the present utility model.
Fig. 2 is the schematic diagram of the beam prefabricated member of prestressing force composite frame of pretensioned prestressing superposed beam house structural system of the present utility model.
Fig. 3 is along the sectional drawing of I-I among Fig. 2.
Fig. 4 is the schematic diagram of the superimposed secondary beam prefabricated units of prestressing force of pretensioned prestressing superposed beam house structural system of the present utility model.
Fig. 5 is along the sectional drawing of II-II among Fig. 4.
Fig. 6 is that the beam prefabricated member of prestressing force composite frame of pretensioned prestressing superposed beam house structural system of the present utility model is shelved on the schematic diagram on the cast-in-place frame column.
Fig. 7 is that the beam prefabricated member of the superimposed secondary beam of prestressing force of pretensioned prestressing superposed beam house structural system of the present utility model is shelved on the schematic diagram on the beam prefabricated member of prestressing force composite frame.
Fig. 8 is that the superimposed sheet prefabricated units of pretensioned prestressing superposed beam house structural system of the present utility model are shelved on the schematic diagram on the superimposed secondary beam prefabricated units of prestressing force.
Fig. 9 is the schematic diagram behind Fig. 6 concreting.
Figure 10 is the schematic diagram behind Fig. 7 concreting.
Figure 11 is the schematic diagram behind Fig. 8 concreting.
The specific embodiment
See also Figure of description 1 to shown in the accompanying drawing 11, the utility model is a kind of pretensioned prestressing superposed beam house structural system, and it is comprised of several parts such as cast-in-place frame column 7, the beam prefabricated member 1 of prestressing force composite frame, the superimposed secondary beam prefabricated units 4 of prestressing force and superimposed sheet prefabricated units 8.
Wherein, described cast-in-place frame column 7 arranges bracket 72 in absolute altitude position, prestressing force composite frame 1 end of beam prefabricated member.Bracket 72 end faces of this cast-in-place frame column 7 are chosen this cast-in-place frame column 7 external surfaces 120 ~ 150mm; Width is with these cast-in-place frame column 7 homonymy breadth of section, perhaps than the large 100mm ~ 200mm of beam prefabricated member 1 width of the prestressing force composite frame of correspondence.The end face absolute altitude of the bracket 72 of each side is got the minimal design absolute altitude value of the beam prefabricated member of each prestressing force composite frame 1 bottom surface that is connected with described cast-in-place frame column 7 on the same described cast-in-place frame column 7.When the beam prefabricated member 1 of described prestressing force composite frame is shelved on the bracket 72 of cast-in-place frame column 7, can take the mode at the bracket 72 placement cushion blocks of cast-in-place frame column 7, guarantee the absolute altitude position of the beam prefabricated member 1 of prestressing force composite frame that the bottom surface design elevation is relatively high.
The beam prefabricated member 1 of described prestressing force composite frame is shelved on the bracket 72 of described cast-in-place frame column 7, and it is arranging breach 2 and steel corbel 3 with the superimposed secondary beam prefabricated units of prestressing force 4 intersections.The beam prefabricated member 1 of described prestressing force composite frame comprises the beam prefabricated member body of composite frame section 10, is provided with above-mentioned breach 2 in the beam prefabricated member body of described composite frame section 10; Be provided with above-mentioned steel corbel 3 in the bottom of each breach 2.Comprise bottom prestressed reinforcement 11, waist muscle 12, top prestressed reinforcement 13, stirrup 14 and bracket built-in fitting 30 in the beam prefabricated member body of the described composite frame section 10.On described bottom prestressed reinforcement 11, be arranged with plastic pipe 15 or parcel Polypropylence Sheet 15, to form the free shrink section, the length of described plastic pipe or Polypropylence Sheet 15 is not more than 1/8th of beam prefabricated member 1 main part of prestressing force composite frame 1 length, to not affect structure stress thus, thereby so that after prestressed reinforcement 11 is put, this partial prestressing reinforcing bar without prestressing force, avoids the beam prefabricated member 1 of described prestressing force composite frame to put a concrete compressive stress undue concentration that causes and the crack occurs at end invar twisted wire in free shrink section zone.Further have additional nonprestressed reinforcement 16 in beam prefabricated member 1 main part of described prestressing force composite frame 10 lower edges, with under the constraint seismic loading at the width in the normal section crack that the beam prefabricated member of prestressing force composite frame 1 end lower edge produces.
Further, described breach 2 rectangular structures, its end face from superposed beam prefabricated units main part 10 is offered downwards.Described bracket built-in fitting 30 is by the mutually concordant bracket built-in fitting steel plate 35 of two external surfaces and this prestressing force superposed beam prefabricated units external surface, and with bracket built-in fitting steel plate 35 between be welded to each other the embedded bar 36 that is connected and consist of.Described steel corbel 3 rectangular structures, it comprises a steel top board 31, and the supporting steel plate 32 that is welded in steel top board 31 soffits and bracket built-in fitting steel plate 35 external surfaces.Described supporting steel plate 32 is equidistant distribution, and its number is 2-4 piece and rectangular or trapezium structure.The bottom surface of the end face of described steel corbel 3 and breach 2 is contour, and these steel corbel 3 end faces are with respect to the superposed beam main part 1 outer 50mm that chooses.
The superimposed secondary beam prefabricated units 4 of described prestressing force are placed on the corresponding breach 2 and steel corbel 3 of the beam prefabricated member 1 of described prestressing force composite frame, and its end face is provided with along the steel concrete of the elongated setting of beam and chooses ear 5.The superimposed secondary beam prefabricated units 4 of described prestressing force comprise a superposed beam prefabricated units main part 40; Describedly choose two sides or the single side face that ear 5 is located at described superposed beam prefabricated units main part 40.The two ends of described superposed beam prefabricated units main part 40 are respectively equipped with a plush copper 6.Described superposed beam prefabricated units main part 40, choose ear 5 and plush copper 6 and be integrated and build formation.Further, described cross section of choosing ear 5 is rectangular, and its end face is concordant with superposed beam prefabricated units main part 40 end faces; This is chosen ear 5 and outwards chooses 100mm, and arranges along described superposed beam prefabricated units main part 40 bearing of trends.The cross section of described plush copper 6 is rectangular, and length is 120mm to 140mm, and the bottom arranges 135 ° chamfering 61, the little 100mm of width of the described superposed beam prefabricated units of Width main part 40.
The stirrup 41 that described superposed beam prefabricated units main part 40 exposes to superposed beam prefabricated units main part 40 tops by top longitudinal prestressing high tensile reinforcement 43 and bottom longitudinal prestressing high tensile reinforcement, vertically nonprestressed reinforcement 42, and top is built by high-strength concrete and is formed.Described longitudinally top and bottom prestressed high-strength reinforcing bar are high strength steel strand, and described vertical nonprestressed reinforcement and described stirrup adopt hot-rolled reinforced bar, carry out design configurations according to existing code for structural design.
What described superimposed sheet prefabricated units 8 were shelved on the superimposed secondary beam prefabricated units 4 of described prestressing force chooses on the ear 5, and it is precast prestressed flat board or precast prestressed hollowcore slab, on its end face with reinforcing bar shear key 81.Described reinforcing bar shear key 81 is embedded in the described superimposed sheet prefabricated units 8 in advance; the thickness that to expose described superimposed sheet prefabricated units 8 upper level be superimposed sheet overlapping layers concrete 9; the thickness of the reinforced mesh 93 of deduction overlapping layers concrete 9 toppings and overlapping layers concrete 9; described reinforcing bar shear key 81 exposed parts are rectangle; end face width 20 ~ 50mm, equal spacing 500 ~ 1000mm arranges along length, the width of described superimposed sheet prefabricated units 8.
The beam prefabricated member 1 of described prestressing force composite frame is placed the top steel bar stress 91 of beam in its coincidence of a correspondence layer concrete 9, and with stirrup 14 colligations; The superimposed secondary beam prefabricated units 4 of prestressing force are placed the top steel bar stress 92 of beam in its coincidence of a correspondence layer concrete 9, place the encryption stirrup 44 in plush copper 6 length ranges, with reinforcing bar 92 and stirrup 41,44 colligations of encryption stirrup; And superimposed sheet prefabricated units 8 place the upper reinforcement net sheet 93 of plate in its coincidence of a correspondence layer concrete 9, and with 81 colligations of reinforcing bar shear key; Described cast-in-place frame column 7 and the beam prefabricated member of prestressing force composite frame 1 intersection are placed column tie-bar 73, and with 71 colligations of post steel bar stress.In described cast-in-place frame column 7 and the beam prefabricated member of prestressing force composite frame 1 intersection, the beam prefabricated member 1 of prestressing force composite frame, the superimposed secondary beam prefabricated units 4 of prestressing force and superimposed sheet prefabricated units 8 corresponding top overlapping layerss have built overlapping layers concrete 9.
Pretensioned prestressing superposed beam house structural system of the present utility model can adopt following explained hereafter:
(1) at precasting yard according to the beam prefabricated member 1 of the precast prestressed composite frame of designing requirement and the superimposed secondary beam prefabricated units 4 of prestressing force, superimposed sheet prefabricated units 8;
(2) cast-in-place frame column 7 is to absolute altitude position, corresponding prestressing force composite frame 1 end of beam prefabricated member, and in this position Reinforced Concrete Corbels 72 is set;
(3) the beam prefabricated member 1 of prestressing force composite frame is shelved on the bracket 72 of cast-in-place frame column 7;
(4) the superimposed secondary beam prefabricated units 4 of prestressing force are shelved on the breach 2 and steel corbel 3 of the beam prefabricated member 1 of prestressing force composite frame;
(5) superimposed sheet prefabricated units 8 are shelved the choosing on the ear 5 of the superimposed secondary beam prefabricated units 4 of prestressing force;
(6) in the beam prefabricated member 1 coincidence of a correspondence layer concrete 9 of prestressing force composite frame, place the top steel bar stress 91 of beam, and with stirrup 14 mutual colligations; In the superimposed secondary beam prefabricated units 4 coincidence of a correspondence layer concretes 9 of prestressing force, place the top steel bar stress 92 of beam, place the encryption stirrup 44 in plush copper 6 length ranges, with reinforcing bar 92 and stirrup 41, the 44 mutual colligations of encryption stirrup; In superimposed sheet prefabricated units 8 coincidence of a correspondence layer concretes 9, place the upper reinforcement net sheet 93 of plate, and with the 81 mutual colligations of reinforcing bar shear key; In cast-in-place frame column 7 and the beam prefabricated member of prestressing force composite frame 1 intersection, place column tie-bar 73, and with 71 colligations of post steel bar stress.
(7) in the beam prefabricated member of cast-in-place frame column 7 and prestressing force composite frame 1 intersection, the beam prefabricated member 1 of prestressing force composite frame, the superimposed secondary beam prefabricated units 4 of prestressing force and superimposed sheet prefabricated units 8 corresponding top overlapping layerss have built overlapping layers concrete 9, form complete building structure.
The above specific embodiment only is the preferred embodiment of this creation, not in order to limiting this creation, all in this creation spirit and principle within make any modification, be equal to replacement, improvement etc., all should be included within the protection domain of this creation.
Claims (9)
1. a pretensioned prestressing superposed beam house structural system is characterized in that: comprise cast-in-place frame column, the beam prefabricated member of prestressing force composite frame, the superimposed secondary beam prefabricated units of prestressing force and superimposed sheet prefabricated units and corresponding overlapping layers reinforcing bar and overlapping layers concrete; Wherein, described cast-in-place frame column arranges bracket in the absolute altitude position at the bottom of the beam prefabricated member of prestressing force composite frame; The beam prefabricated member of described prestressing force composite frame arranges breach and steel corbel in the superimposed secondary beam prefabricated units of prestressing force intersection; The superimposed secondary beam prefabricated units of described prestressing force end face is provided with along the steel concrete of the elongated setting of beam chooses ear; Described superimposed sheet prefabricated units are precast prestressed flat board or precast prestressed hollowcore slab, on it with the reinforcing bar shear key; The beam prefabricated member of described prestressing force composite frame is shelved on the bracket of described cast-in-place frame column, the superimposed secondary beam prefabricated units of described first prestressing force are placed on the corresponding breach and steel corbel that described prestressing force laminated frame sets a roof beam in place, and described superimposed sheet prefabricated units are shelved on choosing on the ear of the superimposed secondary beam of described prestressing force; In the corresponding overlapping layers in the top of the beam prefabricated member of described prestressing force composite frame, the superimposed secondary beam prefabricated units of prestressing force and superimposed sheet prefabricated units, place steel bar stress, and expose stirrup or the mutual colligation of shear key with the corresponding superimposed secondary beam prefabricated units of the beam prefabricated member of prestressing force composite frame, prestressing force and superimposed sheet prefabricated units; Place the frame column stirrup of described cast-in-place frame column and prestressing force superposed beam prefabricated units intersection, and with the mutual colligation of frame column vertical applied force reinforcing bar; In described prestressing force laminated frame set a roof beam in place, the superimposed secondary beam of prestressing force and superimposed sheet overlapping layers, and described cast-in-place frame column and prestressing force superposed beam intersection concreting.
2. pretensioned prestressing superposed beam house structural system as claimed in claim 1, it is characterized in that: the bracket end face of described cast-in-place frame column is chosen this cast-in-place frame column external surface 120 ~ 150mm; Width is with this cast-in-place frame column homonymy breadth of section, perhaps than the large 100mm ~ 200mm of prestressing force composite frame beam width of correspondence.
3. pretensioned prestressing superposed beam house structural system as claimed in claim 1, it is characterized in that: the beam prefabricated member of described prestressing force composite frame comprises the beam prefabricated member body of composite frame section; In the beam prefabricated member body of described composite frame section, comprise bottom prestressed reinforcement, waist muscle, top prestressed reinforcement, stirrup and bracket built-in fitting; Further have additional nonprestressed reinforcement in the beam prefabricated member body subordinate's edge of described composite frame.
4. pretensioned prestressing superposed beam house structural system as claimed in claim 3, it is characterized in that: be arranged with plastic pipe or parcel Polypropylence Sheet on the prestressed reinforcement of the beam prefabricated member part of described prestressing force composite frame bottom, the length of described plastic pipe or Polypropylence Sheet is not more than 1/8th of superposed beam main part length.
5. pretensioned prestressing superposed beam house structural system as claimed in claim 4 is characterized in that: the rectangular structure of breach of the beam prefabricated member of described prestressing force composite frame, and the end face of the beam prefabricated member body of its prestressing force composite frame section is offered downwards; The rectangular structure of described steel corbel, it comprises a steel top board, and the supporting steel plate that is welded in steel top board soffit and bracket built-in fitting external surface; Described supporting steel plate is equidistant distribution, and its number is 2-4 piece and rectangular or trapezium structure; The end face of described steel corbel and the bottom surface of breach are contour, and this steel corbel end face is with respect to choosing 50mm outside the beam prefabricated member body of the prestressing force composite frame section.
6. pretensioned prestressing superposed beam house structural system as claimed in claim 1, it is characterized in that: the superimposed secondary beam prefabricated units of described prestressing force comprise a superposed beam prefabricated units main part; Describedly choose two sides or the single side face that ear is located at described superposed beam prefabricated units main part; The two ends of the superimposed secondary beam prefabricated units of described prestressing force main part are respectively equipped with a plush copper; The superimposed secondary beam prefabricated units of described prestressing force main part, choose ear and plush copper and be integrated and build formation.
7. pretensioned prestressing superposed beam house structural system as claimed in claim 6, it is characterized in that: the cross section that the superimposed secondary beam prefabricated units of described prestressing force are chosen ear is rectangular, and its end face is concordant with the superimposed secondary beam prefabricated units of prestressing force main part end face; This is chosen ear and outwards chooses 100mm, and arranges along described superposed beam prefabricated units main part bearing of trend.
8. pretensioned prestressing superposed beam house structural system as claimed in claim 7, it is characterized in that: the cross section of the superimposed secondary beam prefabricated units of described prestressing force plush copper is rectangular, length is 120mm to 140mm, the bottom arranges 135 ° chamfering, the little 100mm of width of the described superposed beam prefabricated units of Width main part.
9. pretensioned prestressing superposed beam house structural system as claimed in claim 1, it is characterized in that: described superimposed sheet prefabricated units reinforcing bar shear key is embedded in the described superimposed sheet prefabricated units in advance, it exposes described superimposed sheet prefabricated units upper surface, exposed parts is rectangle, end face width 20 ~ 50mm arranges along described superimposed sheet prefabricated units length, the equal spacing 500 ~ 1000mm of width.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314969 CN202672335U (en) | 2012-06-28 | 2012-06-28 | Pre-tensioned prestressing superposed beam building structural system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314969 CN202672335U (en) | 2012-06-28 | 2012-06-28 | Pre-tensioned prestressing superposed beam building structural system |
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| CN202672335U true CN202672335U (en) | 2013-01-16 |
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| CN 201220314969 Expired - Fee Related CN202672335U (en) | 2012-06-28 | 2012-06-28 | Pre-tensioned prestressing superposed beam building structural system |
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| CN105421632A (en) * | 2015-12-23 | 2016-03-23 | 上海欧本钢结构有限公司 | Quick and saving floor system and construction method thereof |
| CN105625573A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Beam-bottom medium-strength prestressed steel bar and ordinary steel bar sleeve connecting beam-column joint |
| CN105625571A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Prefabricated concrete beam-column joint using medium-strength prestressed tendons |
| CN105625572A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Prefabricated prestressed concrete frame beam-column joint making disparate use of high performance materials |
| CN106193451A (en) * | 2016-08-31 | 2016-12-07 | 济南市人防建筑设计研究院有限责任公司 | A kind of combination type prestressed beam slab system |
| CN106812244A (en) * | 2017-02-14 | 2017-06-09 | 杨志业 | The preparation method of the continuous superposed floor of precast beam, prefabricated PC and superstructure |
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2012
- 2012-06-28 CN CN 201220314969 patent/CN202672335U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421632A (en) * | 2015-12-23 | 2016-03-23 | 上海欧本钢结构有限公司 | Quick and saving floor system and construction method thereof |
| CN105421632B (en) * | 2015-12-23 | 2018-02-06 | 上海欧本钢结构有限公司 | Prompt about floor system and its construction method |
| CN105625573A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Beam-bottom medium-strength prestressed steel bar and ordinary steel bar sleeve connecting beam-column joint |
| CN105625571A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Prefabricated concrete beam-column joint using medium-strength prestressed tendons |
| CN105625572A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Prefabricated prestressed concrete frame beam-column joint making disparate use of high performance materials |
| CN105625572B (en) * | 2016-02-29 | 2018-05-15 | 东南大学 | Distinctiveness uses the precast prestressed concrete frame bean column node of high performance material |
| CN106193451A (en) * | 2016-08-31 | 2016-12-07 | 济南市人防建筑设计研究院有限责任公司 | A kind of combination type prestressed beam slab system |
| CN106812244A (en) * | 2017-02-14 | 2017-06-09 | 杨志业 | The preparation method of the continuous superposed floor of precast beam, prefabricated PC and superstructure |
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