KR20010044074A - Slab sheeting support - Google Patents

Abstract

PURPOSE: A supporter for a slab mold form is provided to improve supporting force and stability, to reduce a term of works, and to facilitate repair and management. CONSTITUTION: A connection supporting-bar(20) is horizontally installed during leaving spaces from a flange of a pier girder and the end is vertically bent-up to the flange. A connecting plate(30) is installed at the end of the connection supporting-bar. A bracket(40) is installed at the end of the connecting plate. A guide shaped-steel(50) has a flat part(51), contacted with the bracket, in the upper part. One side of the guide shaped-steel is vertically bent up to form a depressed groove(52a). In a form installing frame(70), an upper frame(71) is inserted in the depressed grooves, and a lower frame(72) is installed at regular intervals from the upper frame. A supporting frame(73) is installed between the upper and lower frames. In a fixing rib(80), L-shaped reinforcing members are installed to face each other and form a space part(81). The upper part of a square bar(90) is inserted into the space part. A movement preventive shaped-steel(10) is installed between the depressed part and the form installing frame to prevent the movement of the form installing frame. Plywood is installed on the upsides of the square bars and used as a form.

Description

Slab formwork support

The present invention relates to a slab formwork support, and more particularly, the formwork bracket is fixed to the upper flange of the bridge before placing the pier top and the building concrete of the building for the construction of the bridge and building construction, and the guide beam is fixed to the formwork bracket. It is related to the slab formwork support to maximize the bearing capacity by installing the formwork support in the guide groove after installation.

In general, to install the formwork for concrete slab concrete slab in the upper section according to the conventional building hypothesis, first, the wood beams in the longitudinal direction after installing the wood-bracing copper ball at the top of the bridge girder flanges installed on the top of the bridge beam The base plate formwork is installed and the plywood is fixed to the upper end of the wooden beam to match the height of the bridge girder.

The above construction has the advantage of easy tracking and maintenance when cracking occurs due to the exposed concrete surface, but it is very unfavorable for the high-rise bridges, which is very poor in construction, stable and impossible to dismantle the crane. If it is in use, there is a need for a falling object prevention facility and excessive construction costs.

Second, in the state where a plurality of steel boxes are installed at the upper part of the piers, the formwork of the grooved deck plate is installed between the respective steel boxes, and concrete is poured at the upper part. Will be utilized.

However, the construction as described above is excellent in workability and stability, and excellent in bridges and high-rise bridges under construction, and it is possible to shorten the air and make construction costs cheaper. Due to the impossible to check the furnace, it is very disadvantageous in terms of maintenance and at the same time there is a problem that the welding capacity is generated by the welding to the upper flange, the strength is reduced.

The present invention has been made in view of the above-mentioned conventional problems, and its object is to fix the formwork bracket to the bridge top flange and install the formwork bracket and guide to the formwork bracket before piercing the pier top and building concrete for the construction of bridges and buildings. After the fixed steel is installed, formwork support is installed in the guide groove to maximize the supporting force, and it is excellent in construction and forced use by standardized construction, and it is easy to track and repair in case of cracks by shortening construction equipment and exposing concrete surface by factory. In addition, the present invention provides a slab formwork support that is easy to maintain and has a relatively low construction cost.

1 is a perspective view showing the structure of the present invention.

2 is a cross-sectional view showing an installation state of the present invention.

Figure 3 is a side cross-sectional view showing the structure of the installed state of the present invention.

4A is an enlarged view of a portion A of FIG. 2;

4B is an enlarged view of a portion B of FIG. 3.

Explanation of symbols on the main parts of the drawings

10: flow preventing steel 20: connection support bar

30: connection plate 40: bracket

50: guide steel 51: plate part

52: guide plate 52a: groove

60: bolt 70: formwork mounting

71: top frame 72: bottom frame

73: support frame 80: fixed rib

81: space portion 90: wood member

91: plywood

The object of the present invention is installed horizontally spaced apart from the flange top surface of the bridge girder to a predetermined height and its end is connected to the support bar formed bent vertically to the flange top surface of the bridge girder, and the connecting plate fixed to the end of the connection support plate and And a bracket fixed to the end of the connecting plate, a flat plate portion contacting the bracket at the top and bent vertically from one side of the flat plate to form a groove, and an upper frame inserted into the groove adjacent to the groove. A fixed rib means in which a lower frame is horizontally spaced apart from each other, and a formwork mounting frame formed between the upper frame and the lower frame by a support frame and a b-shaped reinforcement are installed to face each other, thereby forming a space therebetween. The upper portion is inserted into the space portion of the fixed rib means to the outside The upper preventive steel which protrudes upwards from the end of the steel and is fitted between them so that the wooden member having a rectangular cross section and the formwork installed in the grooves is not flowed, and the upper preventive steel surrounding the upper part of the upper frame. It is achieved by the slab formwork support, characterized in that made of plywood, which is installed in the upper portion of the anti-flow steel and the wood member adjacent to the wood member.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the structure of the present invention, Figure 2 is a front sectional view showing the structure of the present invention, according to the flange 100 of the bridge girder spaced at a predetermined height and horizontally installed and the end thereof The connecting plate 30 is installed at the end where the connecting support bar 20 is bent to be perpendicular to the upper surface of the flange 100 of the bridge girder.

The bracket 40 is installed between the connecting plate 30 and the upper surface of the bridge girder flange 100, and the bracket 40 is fixed to the connecting plate 30 by a fixing method such as welding.

On the other hand, the bracket 40 has a flat plate portion 51 formed on the upper portion and bent vertically from one side of the flat plate portion 51 is formed with a guide plate 52 formed to face the groove 52a is formed on both sides The guide steel 50 is installed and the bracket 40 and the flat plate 51 are coupled to each other by the bolt 60.

The bracket 40 is fixedly installed on the bridge girder flange 100 at regular intervals, and the guide-type steel 50 installed on the bracket 40 is also spaced apart at equal intervals.

The formwork mounting base 70 is installed in the groove of the guide steel, which is adjacent to the groove 52a of the guide steel 50 installed at a predetermined interval as described above.

The structure of the formwork mounting unit 70 is installed in the groove (52a) and the lower frame 72 is horizontally spaced apart from the upper frame 71 to be caught and the upper frame (71) and the lower frame (72) of Between the structure formed by the support frame 73 is installed in order to support the load of the concrete during pouring.

On the other hand, the fixing ribs 80 made of b-type are installed on the upper frame 71 of the formwork mounting table 70 so as to face each other, and the space 81 therebetween protrudes from the fixing ribs 80 and has a rectangular cross section. The wood member 90 made of a shape is inserted.

The fixed rib 80 prevents the flow of the wood member 90, the upper surface of the wood member 90 is inserted into the space portion 81 of the fixed rib 80 and protrudes upwards of the bracket 40 Protruding from the lower surface and the height is installed, plywood 91 is used as a substitute for formwork on the upper part of the lumber member 90 adjacent to the lumber member 90 is installed.

On the other hand, between the groove and the formwork mounting 70 to prevent the flow of the formwork (70) inserted into the groove (52a) is a structure in which the two flow preventing steel (10) is installed in a pair.

When the installation is completed in the above structure, as shown in Figure 2 attached to the upper surface of the plywood 91, when the concrete 200 is poured in a predetermined thickness connecting support bar 20 installed on the pier flange 100 ) And the connecting plate 30 is embedded in the concrete 20 to further strengthen the bearing capacity.

On the other hand, when the poured concrete 200 is cured, after removing the formwork mounting bracket 70 by unscrewing the bolt to decompose the guide steel (50), remove the guide steel (50) and remove the plywood and the concrete surface Exposure will enable follow-up in the event of a crack in the bridge.

The present invention, which is composed of such a structure, is used to fix the formwork bracket to the bridge top flange before placing the pier girder and the slab concrete of the building for the construction of the bridge and building construction, and fix the guide section steel to the formwork bracket. Afterwards, formwork support is installed in the guide groove to maximize the supporting force, standardized construction, and excellent stability in construction and use of steel.Easy to follow-up and repair in case of cracks due to shortening of construction equipment and exposure to concrete surface in each factory, easy maintenance It is a very useful invention that has a rather inexpensive effect.

Claims (2)

A connection support bar formed horizontally spaced apart from the flange top surface of the pier girder at a predetermined height and the end thereof is bent perpendicularly to the flange top surface of the pier girder; A connection plate fixed to an end of the connection support plate; A bracket fixed to the end of the connecting plate, A guide steel formed in the upper portion of the plate contacting the bracket and bent vertically from one side of the plate to form a groove; A formwork mounting frame formed by connecting the upper frame and the lower frame horizontally spaced apart from the upper frame inserted into the recess adjacent to the groove by a support frame between the upper frame and the lower frame; Fixed ribs having b-shaped reinforcing members are installed to face each other and form a space therebetween, The wood member and the upper end is inserted into the space portion of the fixed rib protruding upward from the end and the cross section is formed in a square shape, A flow preventing steel which is inserted and installed between them so that the formwork installed in the grooves does not flow; Slab formwork support, characterized in that made of plywood is used as a substitute for the formwork is installed on top of the lumber member adjacent to the lumber member. The slab formwork support according to claim 1, wherein the upper surface of the lumber member inserted into the space portion of the fixing rib means is installed to be flush with the lower surface of the bracket.