CN103061501A - Formwork supporting system for composite beam and floor-slab structure of building and construction method for formwork supporting system - Google Patents

Formwork supporting system for composite beam and floor-slab structure of building and construction method for formwork supporting system Download PDF

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Publication number
CN103061501A
CN103061501A CN2012105887455A CN201210588745A CN103061501A CN 103061501 A CN103061501 A CN 103061501A CN 2012105887455 A CN2012105887455 A CN 2012105887455A CN 201210588745 A CN201210588745 A CN 201210588745A CN 103061501 A CN103061501 A CN 103061501A
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China
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steel
rest
joist
compound
shaped steel
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CN2012105887455A
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Chinese (zh)
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CN103061501B (en
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毕磊
余尧天
李忠卫
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中建八局第二建设有限公司
博坤建设集团有限公司
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Publication of CN103061501A publication Critical patent/CN103061501A/en
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Publication of CN103061501B publication Critical patent/CN103061501B/en

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Abstract

The invention discloses a formwork supporting system for a composite beam and floor-slab structure of a building. The formwork supporting system comprises section steel reinforced beams (1), joists (2) are mounted among the section steel reinforced beams (1), and fastener floor slab bottom formwork supports (5) are erected on joist steel frameworks; and steel suspension beams (6) are suspended and fixed between the left joists (2) and the aligned right joists (2), and bottom formworks (7.1) of composite beams (7) are placed on the steel suspension beams (6). The invention further discloses a construction method for the formwork supporting system for the composite beam and floor-slab structure of the building. A fundamental step is that the fastener floor slab bottom formwork supports (5) are suspended and fixed. According to the formwork supporting system and the construction method for the formwork supporting system, the material costs are few, the construction costs are low, the erection and dismantling working amount is small and the time consumption is little.

Description

The compound beam of building and the form bracing system of floor slab structure and job practices

Technical field

The present invention relates to building field, specifically is a kind of form bracing system and job practices of compound beam and floor slab structure of building.

Background technology

The steel reinforced concrete compound girder is called for short compound beam, the center configuration of this compound beam has shaped steel (i iron) steel frame that extends along the length direction of beam, the shaped steel steel frame beam also disposes outward by the longitudinal reinforcement reinforcing cage that colligation becomes with stirrup, longitudinal reinforcement is parallel with the shaped steel steel frame beam, stirrup is vertical with the shaped steel steel frame beam with longitudinal reinforcement, and shaped steel steel frame beam and reinforcing cage all are anchored in the concrete of compound beam.Because this compound beam adopts the larger shaped steel steel frame beam of rigidity to substitute a part of reinforcing bar, the rigidity of this compound beam, bearing capacity, shock resistance all have greatly improved like this, so in large span, high level, high-rise building, compound beam obtains using more and more widely as the girder of floor.The compound beam of this large span and floor one are watered and are smash large span compound beam and the floor slab structure that has formed building.

The work progress of the compound beam of the building of prior art and the structure of floor is: the two ends of the shaped steel steel frame beam of compound beam are shelved to be fixed on water the body of wall smash or the top of column, then begin up to build the intensive bearing form support of the full hall of console mode from ground, the soffit formwork of soffit formwork, side template and the floor of compound beam is installed at the bearing form support again, and the good compound beam reinforcing cage of colligation and floor bar, then one is watered the concrete of smashing compound beam and floor again.

There are following drawback in the compound beam of the building of prior art and the form bracing system of floor slab structure and job practices: because the intensive bearing form support of the full hall of the console mode that this support system adopts, need to build the intensive bearing form support of full hall from ground to the height of compound beam and floor, the height of this support is high, and very intensive, so the steel pipe of disposable input, fastener material many, expend large, construction cost is high; And the workload of building and removing all very large, build, remove consuming time for a long time, long construction period; Moreover this support is intensive, has occupied whole spaces of the template below of compound beam and floor, so that the space of compound beam and floor below can't utilize for a long time; This support height is large still more, and there is potential safety hazard in unstability easily.

Summary of the invention

The technical problem to be solved in the present invention is, provides a kind of material to expend less, construction cost is low, build and remove that workload is few, consuming time less, short construction period, the compound beam of building that does not take compound beam and underfloor side space and the form bracing system of floor slab structure.

Technical solution of the present invention is, a kind of compound beam of building and the form bracing system of floor slab structure are provided, it comprises that many are shelved on the good load bearing wall of cast or the shaped steel steel frame beam on the bearing column, a many joist that is parallel to each other are installed between per two adjacent shaped steel steel frame beams, the outside of outermost every shaped steel steel frame beam also is equipped with a many joist that is parallel to each other, being fixed with the side direction pull bar between per two adjacent and parallel joists supports, joist between the shaped steel steel frame beam and side direction pull bar support and consist of rest joist steel framework, are erected with fastener type floor bottom mould plate supporting bracket on the rest joist steel framework; Every the joist that is positioned at every shaped steel steel frame beam left side aligns with every the joist that is positioned at same shaped steel steel frame beam right side, suspention is fixed with a steel hanging beam between the joist on the every right side of propping up joist and aliging with a joist in this root left side in every left side, every steel hanging beam and fixing two joists of this root steel hanging beam between the shaped steel steel frame beams below, the soffit formwork of compound beam is shelved on the many steel hanging beams of shaped steel steel frame beam below of this compound beam.

Another technical problem that the present invention will solve is, provides a kind of material to expend less, construction cost is low, build and remove that workload is few, consuming time less, the job practices of the form bracing system of short construction period, the compound beam of building that does not take compound beam and underfloor side space and floor slab structure.

Another technical solution of the present invention is, the job practices of the form bracing system of a kind of compound beam and floor slab structure is provided, and its step comprises:

A, the length direction along the shaped steel steel frame beam on the web of every shaped steel steel frame beam weld respectively left and right two steel corbels at a certain distance;

B, in the steel bushing of steel corbel in each left side of every shaped steel steel frame beam, insert the right-hand member of a right beam of rest, insert the left end of a left beam of rest at the steel bushing of the steel corbel on each right side of every shaped steel steel frame beam;

C, load bearing wall or the bearing column top that being fixed on constructs finishes shelved at the two ends of whole shaped steel steel frame beams;

D, be spirally connected fixing by junction plate and the left beam of rest the left end of every rest central sill, be spirally connected fixing by junction plate and the right beam of rest the right-hand member of every rest central sill, at this moment, a rest central sill and a rest You Liang who is connected with the two ends of this rest central sill and complete joist of a left beam formation of rest;

E, fixation side supports to pull bar between per two adjacent and parallel joists, a joist and and be fixed on side direction pull bar between the joist and support and consisted of rest joist steel framework;

F, fix the upper end of a suspension rod in the left beam suspention of every rest, the lower end of this suspension rod and the right-hand member of a steel hanging beam are fixed, there is a right beam of rest that aligns with the left beam of this rest in the left side of the shaped steel steel frame beam that is connected with the left beam of this rest, suspend the upper end of fixing another root suspension rod in midair at the right beam of this rest, the left end of the lower end of this another root suspension rod and steel hanging beam is fixed;

G, set up fastener type floor bottom mould plate supporting bracket at rest joist steel framework; And the soffit formwork of compound beam is shelved on the many steel hanging beams that are parallel to each other of shaped steel steel frame beam below of this compound beam.

The compound beam of building of the present invention and the form bracing system of floor slab structure and job practices compared with prior art have following remarkable advantage and beneficial effect:

At first, because the soffit formwork of compound beam is shelved on the steel hanging beam, the steel hanging beam is hung on the joist, propping up joist is fixed on the shaped steel steel frame beam, and fastener type floor bottom mould plate supporting bracket is set up on rest joist steel framework, rest joist steel framework also is fixed on the shaped steel steel frame beam, be that the template system of floor and the template system of compound beam all are finally to rely on the carrying of shaped steel steel frame beam and support, and the rigidity of shaped steel steel frame beam, bearing capacity, shock resistance is all desirable, can be used as independently bearing structure and bear load, so the present invention need not to begin to build from the bottom up the intensive bearing form support of the full hall of console mode to compound beam and floor absolute altitude from ground as prior art, and only need the precision rest beam, suspend again the steel hanging beam in midair, then up set up the slab form support from a joist, the height of this support significantly reduces, so can omit a large amount of steel pipes, fastener, material expends little, construction cost significantly reduces, and the workload of building and removing significantly reduces, build, remove shortening consuming time, short construction period, and, support system of the present invention does not take the space of compound beam and floor below, so that this segment space is effectively used; Still more, the whole height of this strutting system is little with respect to the whole height of the bearing form support of full hall console mode, is not easy unstability, and is safe.

As improvement, every joist is made of the left beam of rest, rest central sill and the right beam of rest, and the left beam of rest and rest central sill are spirally connected through junction plate, and the right beam of rest central sill and rest is spirally connected through junction plate, and like this, the installation of whole joist, unloading process are all convenient; The left beam of rest, the right beam of rest, rest central sill three connection or convenient disassembly are quick.

As also improving, the both sides of the web of every shaped steel steel frame beam are welded with a steel bushing, tightly are sheathed with the left end of a left beam of rest in the steel bushing on the web right side of this shaped steel steel frame beam; Tightly be sheathed with the right-hand member of a right beam of rest in the steel bushing in the web left side of this shaped steel steel frame beam, like this, only need to the left beam of rest or the right beam of rest be inserted steel bushing on ground, then in the high-altitude the left beam of rest, rest central sill and the right beam of rest are spirally connected into whole, this process is simple, insert the left beam of rest or the right beam of rest on the level land and then be spirally connected in the high-altitude, the workload of work high above the ground is also little, so easy to assembly; Moreover, after the compound beam casting and compacting of concrete is finished, because a joist is to insert steel bushing, steel bushing has separated a joist and concrete, so can directly extract steel bushing with propping up out after joist resolves into three sections, its unloading process is convenient, and the joist after the dismounting can repeat recycling, the saving cost.

As preferably, the cross section of each steel bushing is square, is welded with respectively four stiffening ribs between the web of four jiaos of steel bushing and shaped steel steel frame beam, and each steel bushing and four stiffening ribs consist of a steel corbel, like this, can strengthen intensity and the bearing capacity of firm bracket.

As improving again, the left beam of rest is provided with the stop screw that inserts the steel bushing degree of depth for the left beam left end of restriction rest; Also be provided with the stop screw that inserts the steel bushing degree of depth for the right beam right-hand member of restriction rest on the right beam of rest, like this, in the process that the left beam of rest or the right beam of rest are inserted to steel bushing, stop screw can be stuck in the opening part of steel bushing at last, so can accurately control the degree of depth that the right beam of the left beam of rest or rest inserts steel bushing, guarantee that the entire length of propping up joist that assembles meets designing requirement.

As further improvement, be provided with a suspension rod between the right beam of rest of a joist in the left end of every steel hanging beam and left side, also be provided with a suspension rod between the left beam of rest of a joist on the right-hand member of every steel hanging beam and right side, like this, the suspention of steel suspension rod is fixing efficient and convenient.

Description of drawings

Fig. 1 is the partial elevational structural representation of the form bracing system of the compound beam of building of the present invention and floor slab structure.

Fig. 2 be the compound beam of building of the present invention and floor slab structure form bracing system look up the partial structurtes schematic diagram.

Fig. 3 is the Zoom Side TV structure schematic diagram of steel corbel of the form bracing system of the compound beam of building of the present invention and floor slab structure.

Shown in the figure 1, the shaped steel steel frame beam, 2, a joist, 2.1, the left beam of rest, 2.2, the rest central sill, 2.3, the right beam of rest, 2.4, stop screw, 3, the side direction pull bar supports, 4, rest joist steel framework, 5, fastener type floor bottom mould plate supporting bracket, 6, the steel hanging beam, 7, compound beam, 7.1, the soffit formwork of compound beam, 8, junction plate, 9, steel corbel, 9.1, steel bushing, 9.2, stiffening rib, 10, suspension rod, 11, floor, 11.1, the soffit formwork of floor.

The specific embodiment

The invention will be further described below in conjunction with the drawings and specific embodiments.

Such as Fig. 1, Fig. 2, shown in Figure 3, the compound beam of building of the present invention and the form bracing system of floor slab structure, it comprises that many are shelved on the good load bearing wall of cast or the shaped steel steel frame beam 1 on the bearing column.A many joist 2 that is parallel to each other are installed between per two adjacent shaped steel steel frame beams 1.Every joist 2 is made of the left beam 2.1 of rest, rest central sill 2.2 and the right beam 2.3 of rest, the left beam 2.1 of rest and rest central sill 2.2 are spirally connected through junction plate 8, the right beam 2.3 of rest central sill 2.2 and rest is spirally connected through junction plate 8, be to be equipped with screwed hole on the left beam 2.1 of rest, the right beam 2.3 of rest, the rest central sill 2.2, and junction plate 8 is provided with through hole, and junction plate 8 is by being spirally connected fixing through the through hole of junction plate 8 and screw and the left beam 2.1 of rest, the right beam 2.3 of rest or the rest central sill 2.2 of screw-in screwed hole.The outside of outermost every shaped steel steel frame beam 1 also is equipped with a many joist 2 that is parallel to each other.Specifically, the left side of the web of a shaped steel steel frame beam 1 of the leftmost side is equipped with a many joist 2 that is parallel to each other, and the right side of the web of a shaped steel steel frame beam 1 of the rightmost side also is equipped with a many joist 2 that is parallel to each other.The both sides of the web of every shaped steel steel frame beam 1 are welded with a steel bushing 9.1, the steel bushing 9.1 interior left ends that tightly are sheathed with a left beam 2.1 of rest on the web right side of this shaped steel steel frame beam 1; The steel bushing 9.1 interior right-hand members that tightly are sheathed with a right beam 2.3 of rest in the web left side of this shaped steel steel frame beam 1.The cross section of each steel bushing 9.1 is square, is welded with respectively four stiffening ribs 9.2 between the web of four jiaos of steel bushing 9.1 and shaped steel steel frame beam 1, and each steel bushing 9.1 and four stiffening ribs 9.2 consist of a steel corbel 9.The left beam 2.1 of rest is provided with the stop screw 2.4 that inserts steel bushing 9.1 degree of depth for left beam 2.1 left ends of restriction rest; Also be provided with the stop screw 2.4 that inserts steel bushing 9.1 degree of depth for right beam 2.3 right-hand members of restriction rest on the right beam 2.3 of rest.

Be fixed with the side direction pull bar between per two adjacent joists 2 and support 3.Zone between per two adjacent shaped steel steel frame beams 1 is a unit or a standard width of a room in an old-style house, a many joist 2 that is parallel to each other between per two adjacent shaped steel steel frame beams 1 and the side direction pull bar that connects each joist 2 support the monolithic rest joist steel framework 4 of 3 these standard widths of a room in an old-style house of formation, so that intensity significantly promotes.In other words, namely whole joists 2 between the two adjacent shaped steel steel frame beams 1 and the whole side direction pull bars supports 3 that are connected with a joist 2 in this standard width of a room in an old-style house of standard width of a room in an old-style house rest joist steel framework 4 that consisted of this standard width of a room in an old-style house.Be erected with the fastener type floor bottom mould plate supporting bracket 5 of this standard width of a room in an old-style house on the rest joist steel framework 4 of each standard width of a room in an old-style house; This standard width of a room in an old-style house namely soffit formwork 11.1 of the floor 11 between this two adjacent shaped steel steel frame beam 1 just is laid on the fastener type floor bottom mould plate supporting bracket 5.Every the joist 2 that is positioned at every shaped steel steel frame beam 1 left side aligns with every the joist 2 that is positioned at same shaped steel steel frame beam 1 right side, suspention is fixed with a steel hanging beam 6 between the joist 2 on the every right side of propping up joist 2 and aliging with a joist 2 in this root left side in every left side, every steel hanging beam 6 and fixing two joists 2 of this root steel hanging beam 6 between shaped steel steel frame beams 1 below, in other words, a steel hanging beam 6 is positioned at the below of a shaped steel steel frame beam 1, this root shaped steel steel frame beam 1 and fixing two joists 2 of this root steel hanging beam 6 between.The words also can be understood like this: the below of every shaped steel steel frame beam 1 is provided with a steel hanging beam 6 such as 900mm at a certain distance along the length direction of shaped steel steel frame beam 1, be provided with a suspension rod 10 between the right beam 2.3 of rest of a joist 2 in the left end of every steel hanging beam 6 and left side, also be provided with a suspension rod 10 between the left beam 2.1 of rest of a joist 2 on the right-hand member of every steel hanging beam 6 and right side.The soffit formwork 7.1 of compound beam 7 is shelved on the many steel hanging beams 6 of shaped steel steel frame beam 1 below of this compound beam 7.

Such as Fig. 1, Fig. 2, shown in Figure 3, the job practices of the compound beam of building of the present invention and the form bracing system of floor slab structure, it may further comprise the steps.

A, the length direction along shaped steel steel frame beam 1 on the web of every shaped steel steel frame beam 1 weld respectively left and right two steel corbels 9 such as 900mm at a certain distance.

B, at the right-hand member of a right beam 2.3 of rest of steel bushing 9.1 interior insertions of the steel corbel 9 in each left side of every shaped steel steel frame beam 1, at the left end of the left beam 2.1 of rest of steel bushing 9.1 interior insertions of the steel corbel 9 on each right side of every shaped steel steel frame beam 1, the right-hand member of the left end of the left beam 2.1 of rest and the right beam 2.3 of rest is equipped with stop screw 2.4.

C, load bearing wall or the bearing column top that being fixed on constructs finishes shelved at the two ends of whole shaped steel steel frame beams 1, in other words, the top of load bearing wall or bearing column is provided with exposed pre-buried steel part, until load bearing wall or bearing column water smash finish concrete strength and reach designing requirement after, shaped steel steel frame beam 1 is shelved on the top of load bearing wall or bearing column and the pre-buried steel part of shaped steel steel frame beam 1 with load bearing wall or bearing column is welded and fixed.

D, be spirally connected fixing by junction plate 8 and the left beam 2.1 of rest the left end of every rest central sill 2.2, be spirally connected fixing by junction plate 8 and the right beam 2.3 of rest the right-hand member of every rest central sill 2.2, at this moment, a rest central sill 2.2 and the right beam 2.3 of a rest that is connected with the two ends of this rest central sill 2.2 and the left beam 2.1 of rest consist of a complete joist 2.

E, fixation side supports 3 to pull bar between per two adjacent and parallel joists 2, a joist 2 and and be fixed on side direction pull bar between the joist 2 and support 3 and consisted of rest joist steel framework 4.

F, fix the upper end of a suspension rod 10 in left beam 2.1 suspentions of every rest, the lower end of this suspension rod 10 and the right-hand member of a steel hanging beam 6 are fixed, the left side of the shaped steel steel frame beam 1 that is connected with the left beam 2.1 of this rest is connected with a right beam 2.3 of rest that aligns with the left beam 2.1 of this rest, suspend the upper end of fixing another root suspension rod 10 in midair at the right beam 2.3 of this rest, the left end of the lower end of this another root suspension rod 10 and steel hanging beam 6 is fixed; After this step is finished, formed many parallel steel hanging beams 6 below every shaped steel steel frame beam 1, the above-mentioned many steel suspension rods 6 that are parallel to each other have just formed the grid of the soffit formwork 7.1 of shelving compound beam 7.

G, set up fastener type floor bottom mould plate supporting bracket 5 at rest joist steel framework 4, and the soffit formwork 7.1 of compound beam 7 is shelved on the many steel hanging beams 6 that are parallel to each other of shaped steel steel frame beam 1 below of this compound beam 7.

At this moment, the construction of the form bracing system of the compound beam of building of the present invention and floor slab structure is finished; After this, job practices according to prior art is carried out follow-up construction, as set up the soffit formwork 11.1 of floor 11 at fastener type floor bottom mould plate supporting bracket 5, the reinforcing cage of colligation floor 11, the reinforcing cage of colligation compound beam 7, set up the side template of compound beam 7, one is watered concrete of smashing compound beam 7 and floor 11 etc.

Claims (7)

1. the form bracing system of the compound beam of a building and floor slab structure, it comprises that many are shelved on the good load bearing wall of cast or the shaped steel steel frame beam (1) on the bearing column, it is characterized in that: a many joist (2) that is parallel to each other are installed between per two adjacent shaped steel steel frame beams (1), the outside of outermost every shaped steel steel frame beam (1) also is equipped with a many joist (2) that is parallel to each other, be fixed with the side direction pull bar between per two adjacent and parallel joists (2) and support (3), joist (2) between the shaped steel steel frame beam (1) and side direction pull bar support (3) and consist of rest joist steel framework (4), are erected with fastener type floor bottom mould plate supporting bracket (5) on the rest joist steel framework (4); Every the joist (2) that is positioned at every shaped steel steel frame beam (1) left side aligns with every the joist (2) that is positioned at same shaped steel steel frame beam (1) right side, suspention is fixed with a steel hanging beam (6) between the joist (2) on the every right side of propping up joist (2) and aliging with a joist (2) in this root left side in every left side, shaped steel steel frame beams (1) below between two joists (2) that every steel hanging beam (6) is positioned at and this root steel hanging beam (6) is fixing, the soffit formwork (7.1) of compound beam (7) are shelved on the many steel hanging beams (6) of shaped steel steel frame beam (1) below of this compound beam (7).
2. the form bracing system of the compound beam of building according to claim 1 and floor slab structure, it is characterized in that: every joist (2) is made of the left beam of rest (2.1), rest central sill (2.2) and the right beam of rest (2.3), the left beam of rest (2.1) and rest central sill (2.2) are spirally connected through junction plate (8), and rest central sill (2.2) and the right beam of rest (2.3) are spirally connected through junction plate (8).
3. the form bracing system of the compound beam of building according to claim 2 and floor slab structure, it is characterized in that: the both sides of the web of every shaped steel steel frame beam (1) are welded with a steel bushing (9.1), tightly are sheathed with the left end of a left beam of rest (2.1) in the steel bushing (9.1) on the web right side of this shaped steel steel frame beam (1); Tightly be sheathed with the right-hand member of a right beam of rest (2.3) in the steel bushing (9.1) in the web left side of this shaped steel steel frame beam (1).
4. the form bracing system of the compound beam of building according to claim 3 and floor slab structure, it is characterized in that: the cross section of each steel bushing (9.1) is square, be welded with respectively four stiffening ribs (9.2) between the web of four jiaos of steel bushing (9.1) and shaped steel steel frame beam (1), each steel bushing (9.1) and four stiffening ribs (9.2) consist of a steel corbel (9).
5. the form bracing system of the compound beam of building according to claim 4 and floor slab structure is characterized in that: the left beam of rest (2.1) is provided with the stop screw (2.4) that inserts steel bushing (9.1) degree of depth for the restriction left beam of rest (2.1) left end; Also be provided with the stop screw (2.4) that inserts steel bushing (9.1) degree of depth for the restriction right beam of rest (2.3) right-hand member on the right beam of rest (2.3).
6. the form bracing system of the compound beam of building according to claim 2 and floor slab structure, it is characterized in that: be provided with a suspension rod (10) between the right beam of rest (2.3) of a joist (2) in the left end of every steel hanging beam (6) and left side, also be provided with a suspension rod (10) between the left beam of rest (2.1) of a joist (2) on the right-hand member of every steel hanging beam (6) and right side.
7. the job practices of the form bracing system of the compound beam of a building and floor slab structure, it is characterized in that: its step comprises:
A, the length direction along shaped steel steel frame beam (1) on the web of every shaped steel steel frame beam (1) weld respectively left and right two steel corbels (9) at a certain distance;
B, in the steel bushing (9.1) of steel corbel (9) in each left side of every shaped steel steel frame beam (1), insert the right-hand member of a right beam of rest (2.3), at the left end of steel bushing (9.1) the left beam of rest of insertion (2.1) of the steel corbel (9) on each right side of every shaped steel steel frame beam (1);
C, load bearing wall or the bearing column top that being fixed on constructs finishes shelved at the two ends of whole shaped steel steel frame beams (1);
D, be spirally connected fixing by junction plate (8) and the left beam of rest (2.1) left end of every rest central sill (2.2), be spirally connected fixing by junction plate (8) and the right beam of rest (2.3) right-hand member of every rest central sill (2.2), at this moment, a rest central sill (2.2) and a right beam of rest (2.3) that is connected with the two ends of this rest central sill (2.2) and a left beam of rest (2.1) consist of a complete joist (2);
E, fixation side supports (3) to pull bar between per two adjacent and parallel joists (2), a joist (2) and and the side direction pull bar support (3) that is fixed between the joist (2) consisted of rest joist steel framework (4);
F, fix the upper end of a suspension rod (10) in the every left beam of rest (2.1) suspention, the lower end of this suspension rod (10) and the right-hand member of a steel hanging beam (6) are fixed, there is a right beam of rest (2.3) that aligns with the left beam of this rest (2.1) in the left side of the shaped steel steel frame beam (1) that is connected with the left beam of this rest (2.1), suspend the upper end of fixing another root suspension rod (10) in midair at the right beam of this rest (2.3), the left end of the lower end of this another root suspension rod (10) and steel hanging beam (6) is fixed;
G, set up fastener type floor bottom mould plate supporting bracket (5) at rest joist steel framework (4); And the soffit formwork (7.1) of compound beam (7) is shelved on the many steel hanging beams (6) that are parallel to each other of shaped steel steel frame beam (1) below of this compound beam (7).
CN201210588745.5A 2012-12-29 2012-12-29 Formwork supporting system for composite beam and floor-slab structure of building and construction method for formwork supporting system CN103061501B (en)

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CN103243908A (en) * 2013-05-21 2013-08-14 罗灿雄 Slab formwork system and house building construction method
CN103669835A (en) * 2013-12-13 2014-03-26 中建三局第一建设工程有限责任公司 Supporting stand column which adopts Bailey truss and is applied to jacking formwork system and installation method of supporting stand column
CN104328909A (en) * 2014-10-11 2015-02-04 罗海军 Method for erecting slab form with ribbed beam
CN104652808A (en) * 2015-01-29 2015-05-27 成都迅德科技有限公司 Framework supporting system
CN106193590A (en) * 2016-08-23 2016-12-07 中建八局第二建设有限公司 Concrete-type steel form Construction of Supporting method

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