CN110284716A - The construction method of the lifter plate node structure of steel bar truss floor support plate - Google Patents

The construction method of the lifter plate node structure of steel bar truss floor support plate Download PDF

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Publication number
CN110284716A
CN110284716A CN201910651513.1A CN201910651513A CN110284716A CN 110284716 A CN110284716 A CN 110284716A CN 201910651513 A CN201910651513 A CN 201910651513A CN 110284716 A CN110284716 A CN 110284716A
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China
Prior art keywords
plate
steel bar
floor support
support plate
truss floor
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CN201910651513.1A
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CN110284716B (en
Inventor
李熊飞
欧定文
贾鹏坤
陈永娥
钟兴强
邓双合
胡厚安
纪福强
张孝冬
冯宇
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Chengdu Construction Engineering Fourth Construction Engineering Co Ltd
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Chengdu Construction Engineering Fourth Construction Engineering Co Ltd
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Publication of CN110284716A publication Critical patent/CN110284716A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

Abstract

The invention discloses the construction methods of the lifter plate node structure of steel bar truss floor support plate, the connection of girder steel and supporting plate thereon is completed in factory, machining accuracy and efficiency is effectively ensured, the installation of girder steel is first carried out at the scene, then steel bar truss floor support plate one and steel bar truss floor support plate two are connect with girder steel respectively by steel bar girder, and ensure gap one and gap two not spillage, then additional muscle one is bound at the scene, distributing reinforcement one, distributing reinforcement two and additional muscle two, additional muscle one or distributing reinforcement one are protruded into steel bar truss floor support plate two, ensure node bonding strength, it finally installs banded plate additional and carries out concreting, the formwork of construction site and the workload of welding are effectively reduced using this method, improve the pouring quality and aesthetics of concrete, for the drop plate node of different height differences, it is not necessarily to additional workload, guarantee drop plate node peace It is complete reliable, then concrete surface is damaged when can be avoided demoulding, effectively improves construction efficiency, is saved labour turnover, waste of material is reduced.

Description

The construction method of the lifter plate node structure of steel bar truss floor support plate
Technical field
The present invention relates to steel bar truss floor support plate technical fields, in particular to the lifting plate node knot of steel bar truss floor support plate The construction method of structure.
Background technique
With the continuous development of steel construction, the speed of application of traditional Bars In Poured Concrete Slab does not catch up with the speed of application of steel column and girder steel, Simultaneously as the construction of Bars In Poured Concrete Slab, it is still desirable to a large amount of template and scaffold, the site construction management requirement of this and steel construction There is very big deviation, is mismatched with work progress.And this be made of steel bar girder, floor support plate of steel bar truss floor support plate is newly built Material is built, by the way that the reinforcing bar in floor is processed into steel bar girder in the factory, and steel bar girder and bed die are linked into an integrated entity Gang form is formed, since production standardizes, live steel flxer journey amount is reduced, accelerates construction progress, part can be saved Formwork work and expense, thus widely applied.
But in the prior art, in the connection problem at floor support plate lifting plate node, it usually needs even using various abnormity Fishplate bar increases a large amount of welding workloads, and connection procedure is complicated, leads to waste of material, increased costs, and construction efficiency reduces.
Summary of the invention
It is an object of the invention to overcome floor support plate in the prior art in the node structure form of elevation difference, there are material waves Take, increased costs, the above-mentioned deficiency such as construction efficiency reduction provides a kind of applying for the lifter plate node structure of steel bar truss floor support plate Work method.
To achieve the goals above, the present invention provides following technical schemes:
The construction method of the lifter plate node structure of steel bar truss floor support plate, comprises the following steps:
A, in all girder steels of factory process, steel bar truss floor support plate one and steel bar truss floor support plate two, and in the correspondence girder steel Corresponding position connection supporting plate and stiffener;
B, the girder steel is installed;
C, the steel bar truss floor support plate one and steel bar truss floor support plate two are installed, support vertical bar one is connected to perpendicular to described The upper surface of the girder steel top plate on one length direction of steel bar girder, support vertical bar two is connected to perpendicular to the reinforcing bar purlin The upper surface of the supporting plate on two length direction of frame, the end of the bed die one and the top plate of all girder steels of surrounding have Gap one, the end of the bed die two and all supporting plates of surrounding have gap two;
D, all gaps one and all gaps two are checked, it is ensured that the gap one and all gaps two meet preset requirement;
E, additional muscle one and distributing reinforcement one are bound in the steel bar truss floor support plate one, in the steel bar truss floor support plate two Bind additional muscle two and distributing reinforcement two;
F, casting concrete completes the construction of the lifter plate node structure of steel bar truss floor support plate;
Wherein, each girder steel includes top plate, web and bottom plate, and the steel bar truss floor support plate one includes bed die one and several A steel bar girder one, the steel bar girder one include wind up reinforcing bar one, web member reinforcing bar one, lower edge reinforcing bar one, support horizontal bar one With support vertical bar one, the steel bar truss floor support plate two includes bed die two and several steel bar girders two, the steel bar girder two Include the reinforcing bar two that winds up, web member reinforcing bar two, lower edge reinforcing bar two, support horizontal bar two and support vertical bar two, the width of the supporting plate Greater than the spacing of the correspondence top plate outer rim and web.
Using the construction method of the lifter plate node structure of steel bar truss floor support plate of the present invention, institute is completed in factory Processing essence is effectively ensured in the connection for stating steel bar truss floor support plate one, the steel bar truss floor support plate two, girder steel and supporting plate thereon Degree and efficiency first carry out the installation of girder steel at the scene, then pass through steel bar girder for steel bar truss floor support plate one and steel bar girder Floor support plate two is connect with girder steel respectively, and ensures gap one and gap two not spillage, if gap is less than or equal to 5mm, then Additional muscle one, distributing reinforcement one, distributing reinforcement two and additional muscle two are bound at the scene, are finally installed banded plate additional and are carried out concreting, Using above-mentioned construction method, the formwork of construction site and the workload of welding is effectively reduced, is conducive to improve pouring for concrete Quality and aesthetics are not necessarily to additional workload for the drop plate node of different height differences, guarantee that drop plate node is safe and reliable, if Using the structure of removable bed die, then it can be avoided the concrete surface damaged at node when demoulding, effectively improve construction efficiency, save Cost of labor reduces waste of material.
Preferably, each support vertical bar one is welded to connect with the corresponding top plate, each support vertical bar two It is welded to connect with the corresponding supporting plate, the lap of splice of the steel bar girder two and supporting plate is greater than or equal to 50mm.
Preferably, the outer end of the stiffener is flushed with the outer end of the corresponding girder steel top plate.
It is further preferred that described in being less than when the height difference between the steel bar truss floor support plate one and steel bar truss floor support plate two When the thickness of steel bar truss floor support plate one, the bottom of the supporting plate is connected to equipped with all stiffeners of the supporting plate side Portion.
Preferably, the steel bar truss floor support plate one contains at least two steel bar truss floor support plate Unit one, described Steel bar truss floor support plate two contains at least two steel bar truss floor support plate Unit two.
Preferably, when the steel bar truss floor support plate one or the steel bar truss floor support plate two are plate across the letter for being greater than 2.5m When supporting plate structure, between step c and d, below the middle part of the corresponding steel bar truss floor support plate one or the reinforcing bar purlin Support device is set below the middle part of frame floor support plate two.
The steel bar truss floor support plate one contains at least two steel bar truss floor support plate Unit one, the steel bar girder Floor support plate two contains at least two steel bar truss floor support plate Unit two, i.e., the described steel bar truss floor support plate one is by several institutes It states one unit splicing of steel bar truss floor support plate to be formed, the steel bar truss floor support plate two similarly, is readily transported storage, two neighboring Steel bar truss floor support plate Unit one is fastened and connected, and two neighboring steel bar truss floor support plate Unit two is fastened and connected, when Span it is larger or have it is early tear open when requiring, be arranged between two adjacent bed dies one at one middle part of steel bar truss floor support plate Connecting plate two is arranged between two adjacent bed dies two at two middle part of steel bar truss floor support plate in connecting plate one, due to No setting is required connecting plate one and the top of connecting plate two steel bar girder, therefore even if assembling at the scene, workload is also little, and Support frame is set below connecting plate one and connecting plate two, reaches 40%-50% or so to floorslab concrete intensity, can remove all Bed die one and all bed dies two only retain support device, connecting plate one and connecting plate two, realize early-dismantling.
Preferably, in step e, also comprising the additional muscle one or distributing reinforcement one are protruded into the steel bar truss floor support plate It binds in two and with the lower edge reinforcing bar two and connects.
If the steel bar girder of the steel bar truss floor support plate one is oriented parallel to the girder steel, do not need in addition to increase attached Add reinforcing bar one, the distributing reinforcement one end is made into Z-type and is anchored into the steel bar truss floor support plate two, if the steel bar girder building The steel bar girder direction of board one will then add the additional muscle and one end is made into Z-type anchor together perpendicular to the girder steel Enter in the steel bar truss floor support plate two, it is ensured that node bonding strength.
Preferably, it in step e, is also included in the top plate top surface and supporting plate top surface is all connected with peg.
Preferably, when the height difference between the steel bar truss floor support plate one and steel bar truss floor support plate two is equal to the girder steel When height, support vertical bar two is connected to the upper surface perpendicular to the bottom plate on two length direction of steel bar girder.
Preferably, the steel bar truss floor support plate one and steel bar truss floor support plate two are the removable structure of bed die.
In conclusion compared with prior art, the beneficial effects of the present invention are:
1, using the construction method of the lifter plate node structure of steel bar truss floor support plate of the present invention, it is existing that construction is effectively reduced The formwork of field and the workload of welding are conducive to the pouring quality and aesthetics that improve concrete, for the drop plate of different height differences Node is not necessarily to additional workload, guarantees that drop plate node is safe and reliable, if desired demoulding, then damage section when can be avoided demoulding Concrete surface at point, effectively improves construction efficiency, saves labour turnover, and reduces waste of material.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram one of the lifter plate node structure of the steel bar truss floor support plate in embodiment 1;
Fig. 2 is the structural schematic diagram two of the lifter plate node structure of the steel bar truss floor support plate in embodiment 1;
Fig. 3 is the structural schematic diagram of the lifter plate node structure of the steel bar truss floor support plate in embodiment 2;
Fig. 4 is the structural schematic diagram of the lifter plate node structure of the steel bar truss floor support plate in embodiment 3;
Fig. 5 is the construction method flow chart of the lifter plate node structure of steel bar truss floor support plate of the present invention.
Marked in the figure: 11- top plate, 12- web, 13- bottom plate, 21- bed die one, 22- bed die two, the gap 31- one, between 32- Gap two, 4- supporting plate, 51- wind up reinforcing bar one, and 52- winds up reinforcing bar two, 61- web member reinforcing bar one, 62- web member reinforcing bar two, 71- lower edge steel Muscle one, 72- lower edge reinforcing bar two, 8- stiffener, 9- peg, 101- support vertical bar one, 102- support vertical bar two.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.But this should not be interpreted as to this The range for inventing above-mentioned theme is only limitted to embodiment below, all to belong to the present invention based on the technology that the content of present invention is realized Range.
Embodiment 1
As shown in Figure 1, the lifter plate node structure of steel bar truss floor support plate of the present invention, includes steel bar truss floor support plate One, steel bar truss floor support plate two and at least one girder steel, such as supported along four sides, then surrounding is equipped with the girder steel, each steel Beam includes top plate 11, web 12 and bottom plate 13, the supporting plate 4 of plane is welded and connected on each girder steel, as width is 100mm, with a thickness of the steel plate of 8mm, the width of the supporting plate 4 is greater than the spacing of corresponding top plate 11 outer rim and web 12, excellent Choosing, each 12 two sides of web are connected with several stiffeners 8, the outer end of the stiffener 8 and the corresponding girder steel top The outer end of plate 11 flushes, i.e., the outer rim of the described supporting plate 4 stretches out 8 outer end of stiffener, it is preferred that 11 top surface of top plate and support 4 top surface of plate is respectively connected with peg 9, and the absolute altitude of the steel bar truss floor support plate one is higher than the mark of the steel bar truss floor support plate two It is high.
The steel bar truss floor support plate one includes bed die 1 and several steel bar girders one, each steel bar girder one Include the reinforcing bar 1 that winds up, web member reinforcing bar 1, lower edge reinforcing bar 1, support horizontal bar one and support vertical bar 1, the steel Muscle truss floor support plate two includes bed die 2 22 and steel bar girder two, and each steel bar girder two includes wind up reinforcing bar 2 52, abdomen Bar reinforcing bar 2 62, lower edge reinforcing bar 2 72, support horizontal bar two and support vertical bar 2 102.
The end of each steel bar girder one with perpendicular to the girder steel on one length direction of steel bar girder Top plate is connected with each other, and the length direction of the steel bar girder one as shown in figure 1 is perpendicular to the girder steel, therefore each of which described branch Seat vertical bar 1 is welded in the upper surface of the corresponding girder steel top plate 11, the length direction of the steel bar girder two in Fig. 1 It is parallel to the girder steel, therefore, this side up, and steel bar girder two is not overlapped with supporting plate 4, in the steel bar truss floor support plate two The end of each steel bar girder two and the supporting plate 4 are connected with each other on other direction, i.e., as shown in Figure 2, each support Vertical bar 2 102 is welded in the upper surface of the corresponding supporting plate 4, it is preferred that the lap of splice of the steel bar girder two and supporting plate 4 More than or equal to 50mm.
Preferably, the steel bar truss floor support plate one also include additional muscle one and distributing reinforcement one, if the additional muscle one with The dry binding connection of reinforcing bar 1 of winding up, the steel bar truss floor support plate two are described attached also comprising additional muscle two and distributing reinforcement two Reinforcement two and the distributing reinforcement two binding connect, the distributing reinforcement two respectively with reinforcing bar 2 52 and the lower edge reinforcing bar of winding up 2 72 binding connections, the additional muscle one or distributing reinforcement one protrude into the steel bar truss floor support plate two and with the lower edge reinforcing bar 2 72 binding connections.
If the steel bar girder of the steel bar truss floor support plate one is oriented parallel to the girder steel, do not need in addition to increase attached Add reinforcing bar one, the distributing reinforcement one end is made into Z-type and is anchored into the steel bar truss floor support plate two;If the steel bar girder building The steel bar girder direction of board one is perpendicular to the girder steel, i.e. situation in Fig. 1 will then add the additional muscle together by one End is made into Z-type and anchors into the steel bar truss floor support plate two.
The steel bar truss floor support plate one and steel bar truss floor support plate two are preferably using removable bed die in the prior art Structure is convenient for demoulding, saves bed die material.
The end of the bed die 1 and the top plate 11 of all girder steels of surrounding have gap 1, even bed die 1 The girder steel that surrounding is equipped with, then all have gap 1, the bed die two between bed die 1 and each girder steel top plate 11 22 end and all supporting plates 4 of surrounding have a gap 2 32, the bed die 2 22 similarly, the size in the gap 1 and The size in gap 2 32 within a preset range, 5mm such as less than or equal to, not spillage when can guarantee cast-in-place.
Preferably, the steel bar truss floor support plate one contains at least two steel bar truss floor support plate Unit one, institute It states steel bar truss floor support plate two and contains at least two steel bar truss floor support plate Unit two, i.e., each steel bar girder building is held Plate one is made of multiple steel bar truss floor support plate Unit one, is readily transported storage, and the two neighboring steel bar girder building is held Plate Unit one is fastened and connected, and two neighboring steel bar truss floor support plate Unit two is fastened and connected.
Using the lifter plate node structure of steel bar truss floor support plate of the present invention, directly connected using the supporting plate 4 of plane It connects on girder steel, blanking assembling can be carried out in the factory, be conducive to standard processing, improve machining accuracy and construction efficiency, change Kind connective stability, improves connection stiffness, saves labour turnover, and the not height difference constraint between by lifter plate, to different height differences In the case of 4 thickness of supporting plate without individually considering, effective saving material promotes economy, reduces live formwork and welding Amount, is beneficial to energy conservation environmental protection, improves the pouring quality of floor, avoids lifting plate node from hidden danger of quality occur, effectively shortens construction Period, meanwhile, when the floor support plate used is the type of detachable bed die, can be demoulded convenient for the later period, damage when avoiding demoulding Concrete surface reduces the waste to bed die.
Embodiment 2
As shown in figure 3, the lifter plate node structure of steel bar truss floor support plate of the present invention, structure and embodiment 1 are substantially It is identical, the difference is that, the height difference between the steel bar truss floor support plate one and steel bar truss floor support plate two is less than the steel The thickness of muscle truss floor support plate one is connected to the bottom of the supporting plate 4 equipped with all stiffeners 8 of 4 side of supporting plate, Except the top 11 of the prominent girder steel of the outer rim of the supporting plate 4, to reinforce bearing, abnormity is can be used in the supporting plate 4 Structure, as shown in Figure 3.
Embodiment 3
As shown in figure 4, the lifter plate node structure of steel bar truss floor support plate of the present invention, structure and embodiment 1 are substantially It is identical, the difference is that, when the height difference between the steel bar truss floor support plate one and steel bar truss floor support plate two is equal to described When steel depth of beam, the supporting plate 4 can replace with the bottom plate 13 of the girder steel, i.e., without additionally installing the supporting plate 4, each The web member reinforcing bar 2 62 and support vertical bar 2 102 are respectively welded in the upper surface of the correspondence bottom plate 13, and the top plate 11 pushes up Face and 13 top surface of bottom plate are respectively connected with peg 9.
Embodiment 4
As shown in figure 5, a kind of construction method of the lifter plate node structure of steel bar truss floor support plate of the present invention, using such as A kind of lifter plate node structure of steel bar truss floor support plate described in embodiment 1 or 2, comprises the following steps:
A, in all girder steels of factory process, steel bar truss floor support plate one and steel bar truss floor support plate two, and in the correspondence girder steel Corresponding position connection supporting plate 4 and stiffener 8;
B, the girder steel is installed;
C, the steel bar truss floor support plate one and steel bar truss floor support plate two are installed, by support vertical bar 1 be connected to perpendicular to The upper surface of the girder steel top plate 11 on one length direction of steel bar girder, by support vertical bar 2 102 be connected to perpendicular to The upper surface of the supporting plate 4 on two length direction of steel bar girder, the end of the bed die 1 and surrounding are all described The top plate 11 of girder steel has gap 1, and the end of the bed die 2 22 and all supporting plates 4 of surrounding have gap 2 32;
D, all gaps 1 and all gaps 2 32 are checked, it is ensured that the gap 1 and all gaps 2 32 meet in advance If it is required that;
E, additional muscle one and distributing reinforcement one are bound in the steel bar truss floor support plate one, in the steel bar truss floor support plate two Bind additional muscle two and distributing reinforcement two;
F, casting concrete completes the construction of the lifter plate node structure of steel bar truss floor support plate;
Wherein, each girder steel includes top plate 11, web 12 and bottom plate 13, and the steel bar truss floor support plate one includes bed die one 21 include wind up reinforcing bar 1, web member reinforcing bar 1, lower edge reinforcing bar one with several steel bar girders one, the steel bar girder one 71, support horizontal bar one and support vertical bar 1, the steel bar truss floor support plate two include bed die 2 22 and several reinforcing bar purlins Frame two, the steel bar girder two include wind up reinforcing bar 2 52, web member reinforcing bar 2 62, lower edge reinforcing bar 2 72, two and of support horizontal bar Support vertical bar 2 102, the width of the supporting plate 4 are greater than the spacing of corresponding top plate 11 outer rim and web 12.
According to the structure in embodiment 3, then without installing the supporting plate 4, girder steel is directlyed adopt.
Using the construction method of the lifter plate node structure of steel bar truss floor support plate of the present invention, institute is completed in factory Assembling for steel bar truss floor support plate one, steel bar truss floor support plate two, girder steel and supporting plate 4 thereon is stated, processing is effectively ensured Precision and efficiency first carry out the installation of girder steel at the scene, then pass through support vertical bar 1 and support vertical bar 2 102 for reinforcing bar Truss floor support plate one and steel bar truss floor support plate two are connect with girder steel respectively, and ensure bed die 1 and bed die 2 22 respectively with steel There is gap 1 and gap 2 32 and not spillage between beam, then at the scene as needed binding additional muscle one, distributing reinforcement one, Additional muscle one or distributing reinforcement one are protruded into steel bar truss floor support plate two by distributing reinforcement two and additional muscle two, and install peg 9 and according to Specification adds floor negative reinforcement, it is ensured that node bonding strength finally installs banded plate additional and carries out concreting, using above-mentioned construction party The formwork of construction site and the workload of welding is effectively reduced in method, is conducive to the pouring quality and aesthetics that improve concrete, right In the drop plate node of different height differences, it is not necessarily to additional workload, guarantees that drop plate node is safe and reliable, if desired demoulding then can It avoids damaging concrete surface when demoulding, effectively improves construction efficiency, save labour turnover, reduce waste of material.
When span is larger, such as plate thickness 120mm, across the > 2.9m of plate, plate thickness 110mm, across the > 2.7m of plate, plate thickness 100mm, simply supported slab of the plate across > 2.5m, or have it is early tear open when requiring, in step c, in one span of steel bar truss floor support plate Connecting plate one is set between the adjacent bed die one of two of the middle part in direction, in the two span direction of steel bar truss floor support plate Middle part two adjacent bed dies two between be arranged connecting plate two, then set below the connecting plate one and connecting plate two Support device is set, such as double frame is first set after installing the steel bar truss floor support plate one and the steel bar truss floor support plate two Support device is set, then carries out the binding of additional muscle one, distributing reinforcement one, additional muscle two and distributing reinforcement two, due to connecting plate one and even No setting is required the top of fishplate bar two steel bar girder, therefore even if assembling at the scene, on-site installation work amount is also little, support frame dosage It is smaller, reach 40%-50% or so to floorslab concrete intensity, bed die 1 and bed die 2 22 can be removed, only retains support dress It sets, connecting plate one and connecting plate two, realizes early-dismantling.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (9)

1. the construction method of the lifter plate node structure of steel bar truss floor support plate, which is characterized in that comprise the following steps:
A, in all girder steels of factory process, steel bar truss floor support plate one and steel bar truss floor support plate two, and in the correspondence girder steel Corresponding position connection supporting plate (4) and stiffener (8);
B, the girder steel is installed;
C, the steel bar truss floor support plate one and steel bar truss floor support plate two are installed, support vertical bar one (101) is connected to vertically In the upper surface of the girder steel top plate (11) on one length direction of steel bar girder, support vertical bar two (102) is connected to Perpendicular to the upper surface of the supporting plate (4) on two length direction of steel bar girder, the end of the bed die one (21) and week The top plate (11) for enclosing all girder steels has gap one (31), the end of the bed die two (22) and all supporting plates of surrounding (4) there is gap two (32);
D, all gaps one (31) and all gaps two (32) are checked, it is ensured that the gap one (31) and all gaps two (32) meet preset requirement;
E, additional muscle one and distributing reinforcement one are bound in the steel bar truss floor support plate one, in the steel bar truss floor support plate two Bind additional muscle two and distributing reinforcement two;
F, casting concrete completes the construction of the lifter plate node structure of steel bar truss floor support plate;
Wherein, each girder steel includes that top plate (11), web (12) and bottom plate (13), the steel bar truss floor support plate one include Bed die one (21) and several steel bar girders one, the steel bar girder one include wind up reinforcing bar one (51), web member reinforcing bar one (61), Lower edge reinforcing bar one (71), support horizontal bar one and support vertical bar one (101), the steel bar truss floor support plate two include bed die two (22) and several steel bar girders two, the steel bar girder two include wind up reinforcing bar two (52), web member reinforcing bar two (62), lower edge steel Muscle two (72), support horizontal bar two and support vertical bar two (102), the width of the supporting plate (4) are greater than the corresponding top plate (11) The spacing of outer rim and web (12).
2. construction method according to claim 1, which is characterized in that each support vertical bar one (101) with it is corresponding The top plate (11) is welded to connect, and each support vertical bar two (102) is welded to connect with the corresponding supporting plate (4), described The lap of splice of steel bar girder two and supporting plate (4) is greater than or equal to 50mm.
3. construction method according to claim 1, which is characterized in that the outer end of the stiffener (8) and the corresponding steel The outer end of back plate (11) flushes.
4. construction method according to claim 3, which is characterized in that when the steel bar truss floor support plate one and steel bar girder When height difference between floor support plate two is less than the thickness of the steel bar truss floor support plate one, it is equipped with all institutes of the supporting plate (4) side State the bottom that stiffener (8) is connected to the supporting plate (4).
5. construction method according to claim 1, which is characterized in that the steel bar truss floor support plate one contains at least two Steel bar truss floor support plate Unit one, the steel bar truss floor support plate two contain at least two the steel bar truss floor support plate two Unit.
6. -5 any construction method according to claim 1, which is characterized in that when the steel bar truss floor support plate one or institute State steel bar truss floor support plate two be plate across be greater than 2.5m simply supported slab structure when, between step c and d, in the corresponding steel Support device is set below the middle part of muscle truss floor support plate one or below the middle part of the steel bar truss floor support plate two.
7. -5 any construction method according to claim 1, which is characterized in that in step e, also comprising that described will add Muscle one or distributing reinforcement one are protruded into the steel bar truss floor support plate two and are bound with the lower edge reinforcing bar two (72) and connect.
8. -5 any construction method according to claim 1, which is characterized in that in step e, be also included in the top plate (11) top surface and supporting plate (4) top surface are all connected with peg (9).
9. -5 any construction method according to claim 1, which is characterized in that when the steel bar truss floor support plate one and steel When height difference between muscle truss floor support plate two is equal to the steel depth of beam, support vertical bar two (102) is connected to perpendicular to described The upper surface of the bottom plate (13) on two length direction of steel bar girder.
CN201910651513.1A 2019-07-18 2019-07-18 Construction method of lifting plate node structure of steel bar truss floor bearing plate Active CN110284716B (en)

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CN108678417A (en) * 2018-07-31 2018-10-19 天津市建筑设计院 A kind of floor of steel structure transformation node
CN208472974U (en) * 2018-06-04 2019-02-05 浙江中益建材科技有限公司 A kind of steel bar girder plate end connects steel structure girder node structure

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