CN204960300U - Steel bar truss template of steel bar truss floor and on --spot ligature floor - Google Patents

Abstract

A reinforced truss formwork project for a reinforced truss floor, comprising a floor reinforced truss slab, steel beams and concrete, a detachable supporting steel truss is arranged under the floor reinforced truss slab, and adjacent supporting steel trusses are connected with For the steel beam, several U-shaped height-adjustable support frames are arranged between the lower flange of the steel beam and the supporting steel bar truss, and square tubes are connected to the adjustable height supporting frame, and the square tubes are offset against the supporting steel bar truss ; The last part of the floor is directly laid by the support truss floor. The utility model utilizes structural materials and does not need additional templates; it is widely applicable and can be used for concrete structure beams, columns, wall templates and steel structure floors; in specific construction, it is fixed by adjustable screws, and the construction is convenient; the truss Effective support is set on the top, and the force transmission is reliable; there is no redundant material, green and environmentally friendly; the economic performance is superior.

Description

Reinforced truss slab and reinforced truss formwork for tying the slab on site

technical field

The utility model belongs to the technical field of building structure engineering construction, in particular to a steel bar truss formwork on the construction site.

Background technique

Concrete is widely used in conventional multi-story buildings, such as steel structure floors, concrete structure beams, shear walls, and columns. Concrete is very fluid until hardened, and special formwork is required for construction. But at present, almost all formwork projects are independent of the main structural materials, often requiring a large amount of wood, which is not environmentally friendly and unsustainable.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides a steel truss formwork, which uses the steel truss required by the main structure itself to do formwork engineering, with low cost, simple manufacturing process, convenient construction, and no material waste.

The technical scheme that the utility model solves its technical problem adopts is:

A steel bar truss formwork for a steel bar truss floor, comprising a floor steel bar truss floor, steel beams and concrete, a detachable supporting steel bar truss is arranged under the floor steel bar truss floor, and adjacent supporting bar trusses are connected For the above-mentioned steel beam, several U-shaped adjustable height support frames are arranged between the lower flange of the steel beam and the supporting steel bar truss, and square tubes are connected on the adjustable height supporting frame, and the square tube is offset against the supporting steel bar truss; The last part of the floor is directly laid by the support truss floor.

The floor steel bar truss floor is a steel bar truss without a bottom formwork, which is composed of an upper chord steel bar and two lower chord steel bars welded through the middle snake-shaped web; the steel beam is H-shaped steel or I-shaped steel; The concrete is cast-in-place ordinary concrete or lightweight concrete; the supporting steel bar truss is a steel bar truss floor slab with a bottom mold, and the bottom mold is a 1mm steel plate; the U-shaped adjustable height support frame is composed of round steel welding with a lifting sleeve .

Temporary support is provided under the supporting steel truss.

A steel bar truss formwork for binding floors on site, including floor steel bars, steel beams, and concrete, the floor steel bars are site-bound floor steel bars, and a detachable supporting steel bar truss is arranged below the floor steel bars, adjacent The steel beams are connected between the supporting steel trusses, and several U-shaped adjustable height support frames are arranged between the lower flange of the steel beams and the supporting steel bar trusses, and square pipes are connected to the adjustable height support frames. The square tubes are offset against the supporting steel trusses; the last part of the floor is laid directly from the supporting steel trusses.

The steel beam is H-shaped steel or I-shaped steel; the concrete is cast-in-place ordinary concrete or lightweight concrete; The lower chord steel bar is welded and combined by the middle snake-shaped abdominal bar, and the bottom mold is a 1mm steel plate; the U-shaped height-adjustable support frame is composed of welded round steel with a lifting sleeve.

Temporary support is provided under the supporting steel truss.

A steel truss formwork for cast-in-place reinforced concrete walls and columns, including steel bars in wall columns, concrete and detachable steel bar trusses, the steel bars in the wall columns are fixed to the steel bar trusses through angle steel and steel bar trusses with piercing bolts, and the steel bars The truss is a steel bar truss with a bottom form. The steel bar truss is composed of an upper chord steel bar and two lower chord steel bars welded through the middle snake-shaped web. The bottom form is a 1mm steel plate; the concrete is cast-in-place ordinary concrete or high-strength concrete; The steel bar in the wall column is the on-site binding steel bar in the wall column.

A steel bar truss formwork for cast-in-place reinforced concrete columns, including steel bars, concrete and detachable steel bar trusses, the steel bars are field-bound steel bars in wall columns, and are fixed to the steel bar trusses through angle steel and steel bar trusses with cross-piercing bolts, and the steel bar trusses 1 is a steel bar truss with a bottom form. The steel bar truss is composed of one upper chord steel bar and two lower chord steel bars welded through the middle snake-shaped web. The bottom form is a 1mm steel plate. fixed separately.

A steel bar truss formwork for cast-in-place reinforced concrete beam slabs, including steel bars, concrete and a detachable steel bar truss, the steel bar is a T-shaped steel bar bound on site in a wall column, and the steel bar truss includes a first steel bar truss and a The second steel bar truss, the first steel bar truss supports the floor, the second steel bar truss supports the girder, the first steel bar truss and the second steel bar truss are steel bar trusses with a bottom form, consisting of an upper chord steel bar and two lower chord steel bars It is formed by welding and combining snake-shaped abdominal reinforcement in the middle, and the bottom form is a 1mm steel plate; the angle steel is a U-shaped bracket; the concrete is cast-in-place ordinary concrete or lightweight concrete.

The beneficial effects of the utility model are mainly manifested in: 1. The use of structural materials does not require additional formwork; 2. It is widely applicable and can be used for beams, columns, and wall forms of concrete structures and floor slabs of steel structures; 3. Specific construction 4. An effective support is set on the truss, so that the force transmission is reliable; 5. There is no redundant material, which is green and environmentally friendly; 6. The economic performance is superior.

Description of drawings

Fig. 1 is the schematic diagram of the steel bar truss formwork of the steel bar truss floor slab of embodiment one;

Fig. 2 is a schematic diagram of a reinforced truss formwork with a temporarily supported reinforced truss floor;

Fig. 3 is the A-A sectional view of Fig. 1;

Fig. 4 is the B-B sectional view of Fig. 1;

Figure 5 is a schematic diagram of a U-shaped adjustable height support frame;

Figure 6 is a schematic diagram of the final use of the supporting steel truss;

Fig. 7 is the schematic diagram of the reinforcement truss formwork of the on-site binding floor slab of embodiment two;

Fig. 8 is the schematic diagram of the reinforced truss formwork of the on-site binding floor slab that is provided with temporary support;

Fig. 9 is a C-C sectional view of Fig. 7;

Fig. 10 is the schematic diagram of the reinforced truss formwork of the cast-in-place concrete wall and column of embodiment three;

Fig. 11 is the D-D sectional view of Fig. 10;

Fig. 12 is the E-E sectional view of Fig. 10;

Fig. 13 is the schematic diagram of the reinforcement truss template of the cast-in-place concrete column of embodiment four;

Fig. 14 is the steel bar truss template figure of the cast-in-place concrete beam slab of embodiment five;

detailed description

The utility model will be further described below in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the utility model, but the protection scope of the utility model is not limited to the following embodiments.

Embodiment one:

As shown in Figure 1-5, a steel truss formwork for a steel truss floor, including a floor steel truss floor 1, steel beams 2, concrete 3, supporting steel trusses 4, square tubes 5, and a U-shaped height-adjustable support frame 6. The floor truss floor 1 is a steel truss without a bottom formwork, which is composed of an upper chord steel bar and two lower chord steel bars welded through the middle snake-shaped web; the steel beam 2 is hot-rolled or welded H-shaped steel, hot-rolled I-shaped steel; the concrete 3 is cast-in-place ordinary concrete or lightweight concrete; the supporting steel truss 4 is a steel truss floor 1 with a bottom form, and the bottom form is a 1mm steel plate; the U-shaped adjustable height support Frame shape adjustable height support frame 6 is made up of the round steel welding of band lifting sleeve.

The supporting steel truss 4 is the most important supporting template in the construction stage of the upper floor, and the loads of the steel truss floor 1 and concrete 3 are all borne by the supporting truss floor 4 during the construction stage. The load on the supporting truss 4 is transmitted to the end support, and the end support is transmitted to the square tube 5, and the square tube 5 is finally transmitted to the lower flange of the steel beam 2 through the U-shaped frame 6.

When the supporting truss floor 4 is not enough to support the floor construction load, it may be considered to add temporary support in the mid-span, as shown in Figure 2.

The last part of the floor is directly laid by the supporting steel truss floor, as shown in Figure 6.

Embodiment two:

As shown in Fig. 7-9, a steel bar truss formwork for binding floors on site includes floor steel bars 1, steel beams 2, concrete 3, supporting steel bar trusses 4, square tubes 5, and U-shaped height-adjustable support frames 6. The floor reinforcement 1 is a floor reinforcement bound on site; the steel beam 2 is hot-rolled or welded H-shaped steel, hot-rolled I-shaped steel; the concrete 3 is cast-in-place ordinary concrete or lightweight concrete; The supporting steel bar truss 4 is a steel bar truss with a bottom mold, and the steel bar truss is formed by welding an upper chord steel bar and two lower chord steel bars through the middle snake-shaped abdominal reinforcement, and the bottom mold is a 1mm steel plate; the U-shaped adjustable height support frame 6 It is composed of round steel welding with lifting sleeve.

The supporting steel bar truss 4 is the most important supporting formwork in the construction stage of the upper floor, and the loads of the on-site binding steel bar 1 and concrete 3 are all borne by the supporting truss floor 4 during the construction stage. The load on the supporting truss 4 is transmitted to the end support, and the end support is transmitted to the square tube 5, and the square tube 5 is finally transmitted to the lower flange of the steel beam 2 through the U-shaped frame 6.

When the supporting steel truss floor 4 is not enough to support the floor construction load, it may be considered to add temporary support in the mid-span, as shown in Figure 8.

The last part of the floor is laid directly by the supporting steel truss, as shown in Figure 6.

Embodiment three:

As shown in Figure 10-12, a steel truss formwork for cast-in-place reinforced concrete walls and columns, including steel truss 1, angle steel 2, cross bolts 3, concrete 4, and steel bars 5. The steel bar truss 1 is a steel bar truss with a bottom mold, and the steel bar truss is formed by welding an upper chord steel bar and two lower chord steel bars through the middle snake-shaped abdominal reinforcement, and the bottom mold is a 1mm steel plate; the concrete 4 is cast-in-place ordinary concrete or high-strength concrete; the steel bar 5 is the field-bound steel bar in the wall column.

Before concrete pouring, the steel bars 5 in the wall columns are bound on site first, and then the most important supporting formwork steel bar trusses 1 are fixed on the outside of the walls and columns. In order to control the pressure generated during concrete pouring, cross-piercing bolts 3 are used to pass through the angle steel 2 and the steel bar trusses 1 fixed.

Embodiment four:

As shown in FIG. 13 , a reinforced truss formwork for cast-in-place reinforced concrete columns includes reinforced truss 1 , angle steel 2 , cross bolts 3 , concrete 4 , and steel bars 5 . The steel bar truss 1 is a steel bar truss with a bottom mold, and the steel bar truss is formed by welding an upper chord steel bar and two lower chord steel bars through the middle snake-shaped abdominal reinforcement, and the bottom mold is a 1mm steel plate; the concrete 4 is cast-in-place ordinary concrete or high-strength concrete; the steel bar 5 is the field-bound steel bar in the wall column.

Before concrete pouring, the steel bars 5 in the column are bound on site first, and the most important supporting formwork steel bar truss 1 is bent on the outside of the column, and then the steel bar truss 1 is fixed through the angle steel 2 with the piercing bolt 3, and fixed on both sides of the wall respectively.

Embodiment five:

As shown in FIG. 14 , a reinforced truss formwork for cast-in-place reinforced concrete beam slabs includes reinforced trusses, angle steel, cross-piercing bolts 3 , concrete 4 , and steel bars 5 . The steel bar truss includes a first steel bar truss 1 and a second steel bar truss 1a, and the first steel bar truss 1 and the second steel bar truss 1a are steel bar trusses with a bottom form, and the steel bar truss consists of an upper chord steel bar and two lower chords The steel bar is welded and combined by the middle snake-shaped abdominal bar, and the bottom form is a 1mm steel plate; the concrete is cast-in-place ordinary concrete or lightweight concrete; the steel bar is a field-bound steel bar in the wall column.

Before concrete pouring, the steel bars 5 in the beam slab are bound on site first, the first steel bar truss 1 supports the floor, the second steel bar truss 1a supports the beam, and the plate load borne by the first steel bar truss 1 is transmitted by the end angle steel to form a U shape Bracket angle steel 2. The U-shaped bracket angle steel 2 also fixes the second steel bar truss 1a on the beam simultaneously. Supports shall be provided under the U-shaped bracket angle steel 2 to bear the load on all beam plates.

Claims (6)

1. a steel bar truss formwork for a steel bar truss slab, comprising a floor bar truss slab, steel beams and concrete, characterized in that: a detachable support bar truss is provided below the floor bar truss slab, adjacent support bars The steel beams are connected between the trusses, and several U-shaped height-adjustable support frames are arranged between the lower flanges of the steel beams and the supporting steel bar trusses. Square tubes are connected to the adjustable height support frames, and the square tubes Offset against the supporting steel truss; the last part of the floor is directly laid by said supporting steel truss. 2. The steel bar truss formwork of the steel bar truss floor as claimed in claim 1, characterized in that: the floor steel bar truss floor is a steel bar truss without a bottom form, and an upper chord steel bar and two lower chord steel bars pass through the middle serpentine web It is welded and combined; the steel beam is H-shaped steel or I-shaped steel; the concrete is cast-in-place ordinary concrete or lightweight concrete; the supporting steel truss is a reinforced truss floor with a bottom formwork, and the bottom formwork is 1mm Steel plate; the U-shaped adjustable height support frame is composed of round steel welding with a lifting sleeve. 3. The steel bar truss formwork for a steel bar truss floor as claimed in claim 2, wherein a temporary support is provided below the supporting truss floor. 4. A steel bar truss formwork for binding floor slabs on site, comprising floor reinforcement, steel beams, and concrete, characterized in that: the floor reinforcement is for binding floor reinforcement on site, and a detachable truss is provided below the floor reinforcement Supporting steel bar trusses, the steel beams are connected between adjacent supporting steel bar trusses, and several U-shaped adjustable height support frames are arranged between the lower flange of the steel beams and the supporting steel bar trusses, and the adjustable height support frames are connected to There are square pipes, and the square pipes are offset against the supporting steel bar truss; the last part of the floor is directly laid by the supporting truss floor. 5. the reinforced truss formwork of reinforced truss floor slab as claimed in claim 4, is characterized in that: described steel girder is H-shaped steel or I-shaped steel; Described concrete is cast-in-place ordinary concrete or lightweight concrete; The supporting steel bar truss is a steel bar truss with a bottom formwork. The steel bar truss is composed of one upper chord steel bar and two lower chord steel bars welded through the middle snake-shaped abdominal reinforcement. The bottom formwork is a 1mm steel plate; the U-shaped adjustable height support frame is composed of The lifting sleeve is composed of round steel welding. 6. The steel bar truss formwork for the steel bar truss floor as claimed in claim 4, characterized in that a temporary support is provided under the supporting steel bar truss.