KR20020001481A - Steel form for cross beam concrete applicable to a P.C. beam method - Google Patents

Abstract

PURPOSE: A mold of a cross beam is provided to control the width and the height according to the condition of a PC(Pre-Concrete) beam and to install and dismantle simply. CONSTITUTION: A mold contains a pair of waller assays(100) to form a front face and a rear face of the mold by installing between a pair of PC beams; and a connecting member(110) to connect each waller assays. The waller assay contains a body panel; a first and a second side pillars(31,32) having plural sliders(34) toward the body panel; a guiding portion(12) to guide the sliders; a fixing portion(14) to fix the slider; and an align member(40) to fix the body panel in the PC beams and to fit the height. The lower panel assay contains a lower panel combined with the waller assay; and a lower pillar to slide lengthwise the lower panel by combining with the lower panel.

Description

Steel form for cross beam concrete application to a P.C. beam method}

The present invention relates to a cross-beam formwork applied to the P.C. beam (Pre-Concrete Beam) method, and more particularly to a steel cross-beam formwork applied to the bridge.

Conventional crossbeam formwork has a problem in that it is not possible to adjust the width and height of the crossbeam according to the difference in distance and height between the PC beams.

Therefore, to solve this problem, there have been various methods of using tape, welding, nailing, and properly inserting complementary materials such as wood, but all of these methods have to be supplemented in the field, so In addition to the increase, it was fundamentally impossible to adjust the width and the formwork of the form to exactly match the difference in width and height between the PC beams.

In addition, the welding process is also used for dismantling, which is inconvenient to dismantle it.

That is, the conventional crossbeam formwork has a problem that can not cope properly in the situation where the height and width of the PC beam is different, in particular skewed in the actual site.

The present invention has been made to solve the problems of the conventional crossbeam formwork as described above, an object of the present invention is to provide a crossbeam formwork capable of adjusting the width and height according to the conditions of the PC beam.

Another object of the present invention is to provide a crossbeam formwork for bridges that is simple to install and dismantle.

Other purposes of the present invention may be various, but will be understood through the detailed description and drawings described below.

1 is a front view of a waller assay according to the present invention;

Figure 2 is a perspective view showing a form in which the formwork of the present invention is mounted on the PC beam and poured cross-beam concrete

3 is a front view of the lower filler according to the present invention.

4 is a front view of a lower panel assay according to the present invention.

5 is a perspective view of another embodiment of a crossbeam formwork of the present invention

Explanation of symbols on the main parts of the drawings

10: main body panel 20: channel

31, 32: side pillar P: P.C. beam

40: alignment member 50: upper connecting member

70: lower filler 80: lower panel assay

100: Waller assay 110: Panel connection member

In order to achieve the above object, the present invention is a pair of wall arrays are provided between the pair of PC beams to form the front and rear of the cross beam formwork, respectively; A lower panel assay coupled to a lower end of each wall assay to form a bottom of the formwork; It includes a connecting member for connecting each wall assay,

The waller assay comprises: a main body panel occupying most of the front and rear of the formwork; First and second side pillars coupled to the left and right sides of the main body panel and occupying a part of the front and rear sides of the formwork and having a plurality of sliders directed to the main body panel; A guide part for guiding the slider of the side pillar; A fixing part for fixing the slider; And an alignment member coupled to the main body panel to fix the main body panel to the PC beam and to adjust the height.

The lower panel assay comprises: a lower panel coupled to the lower end of the wall assay and occupying most of the underside of the formwork; It is coupled to the lower panel provides a cross beam formwork which includes a lower filler which can slide in the longitudinal direction of the lower panel and occupies a portion of the bottom of the formwork.

In the present invention, the fixing part of the wall assembly is located at the left and right ends of the main body panel, and includes an angle formed with a nut hole and a first nut fixed to the nut hole, and the guide part is formed inside the fixing part. The slider slides, and a bolt is inserted through the first nut to tightly fix the slider of the filler.

In the present invention, the upper, lower, left and right sides of the main body panel each have a skew control unit capable of bringing the respective side pillars into close contact with the side surfaces of the PC beams.

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

The crossbeam formwork according to the present invention is composed of two waller assays positioned at both the front and rear sides of the crossbeam reinforcement structure installed between the PC beams and a lower panel positioned at the bottom of the crossbeam reinforcement structure. .

FIG. 1 is a front view of one wall assay of the present invention, and FIG. 2 is a perspective view of a cross beam formwork including two wall assays installed on a PC beam and cross beam concrete placed on the cross beam form. Likewise, the wall assembly 100 is a main body panel 10 which forms most of the front and rear of the formwork, and a channel 20 which is fixed to the main body panel 10 and protrudes upward from the main body panel 10. And the first and second side pillars 31 and 32 positioned at the left and right sides of the main body panel 10 and the channel 20 to fix the main body panel 10 to the PC beam, An alignment member 40 for correcting the height difference is provided. Here, since the first side pillar 31 and the second side pillar 32 have substantially the same shape, only the first side pillar 31 will be described later for convenience of description.

The main body panel 10 is made of steel, and guide parts 12 on which the first and second side pillars 31 and 32 slide on left and right edges, and fixing portions fixing the side pillars 31 ( 14) There is. The fixing portion 14 is an angle having a "b" shape, and the first nut 14a is mounted. The guide portion 12 is a portion in which the slider of the filler 31 which will be described later in the shape of “ㅁ” is slid, and may be welded to the main body together with the reinforcing plate.

Meanwhile, the fixing part 14 and the guider part 12 may be integrally formed. The fixing part 14 and the guider part 12 may be installed integrally, and may be fixed on a reinforcing plate fixed to the main body panel by installing a single guider fixing part having a shape of “ㅁ”. have.

The main body panel 10 also has a skew adjusting part 16 in consideration of skewing of the side surface of the PC beam, and the skew adjusting part 16 has a nut hole on both sides of the main body panel 10. 16a is formed of a vertical plate 16c and a push bolt 16b mounted to the nut hole 16a, and the nut hole 16a of the vertical plate 16c is preferably on the left and right sides, respectively. Four of them are installed one by one. By adjusting the push bolt 16b through the nut hole 16a, the filler 31 is fixed to the left and right PC beams P and skewed (when the PC beam is inclined). Both upper and lower sides may be in close contact.

In addition, the skew adjusting unit 16 may be achieved in a structure that pushes the upper and lower sliders of the pillar 31 with a push bolt while having a vertical wall at the end of the guide unit 12.

The filler 31 is provided with a plurality of sliders 34 protruding in the direction of the main body panel 10, and is inserted into the guide portion 12 of the main body panel 10.

The second nut 34a is fixed near the end of the slider 34 so that the nut hole is located in the front direction of the main body panel 10.

Referring to the coupling relationship between the filler 31 and the main body panel 10 using the first and second nuts 14a and 34a, the slider of the filler 31 in consideration of the distance between the PC beams P is described. After the 34 is positioned in the guide 12, the bolt is fastened to the first nut 14a, and the end of the bolt is forced to the side of the slider 34 of the filler 31. At this time, if the guide portion and the fixed portion is not integral, it is natural that the bolt hole is formed in the guide portion.

Although only the first nut 14a may be used, since the filler 31 may protrude to the front, the main body panel (using the second nut 34a fixed to the end of the slider 34 of the filler 31) may be used. It is preferable to force close contact with 10) in order for the position of the pillar 31 to be stabilized.

On the other hand, as shown in the figure, the upper part of the filler 31 is bent in part, which is to be as close as possible to the PC beam in consideration of the upper shape of the PC beam.

The channel 20 is fixed to the front of the body panel 10, that is, the outer wall, the channel 20 has a plurality of first bolt holes 20a and second bolt holes 22 arranged vertically The first bolt hole 20a is formed to support the main body panel 10 by fixing the channel 20 to the alignment member 40 and to determine the height of the crossbeam concrete to be poured. The second bolt hole 22 is a wall hole assembly 100 by the second connection member 110 to be described in FIG. 2 together with a bolt hole (not shown) formed at the same position of the main body panel 10. Used to combine

When the alignment member 40 is placed on the upper surface of the PC beam (P), there is an adjustment bolt (42) at both ends of the alignment member 40, there is a height difference between the PC beam It is preferable to correct the height difference between the PC beam by finely adjusting the left and right height of the main body panel 10.

On the other hand, as shown in Figure 2, there is a first connecting member 50 for connecting the upper portion of each wall assay 100, which is preferably located one each on the left and right sides of the main body panel 10 The upper side is connected to each other. In addition, through the second bolt hole 22 spaced apart at regular intervals on each channel 20 of the main body panel 10 to connect each wall array assay 100, the bolt 110a and the nut (110b) and There is a second connecting member 110 composed of the washer 110c.

In addition, a lower panel assembly including a lower panel and lower pillars positioned at left and right ends of the lower panel, respectively, is located at the bottom of the formwork, and the lower pillar 70 has a center portion 71 as shown in FIG. 3. ) And an edge portion 72, and an edge portion 72 has a long groove 73 extending left and right for adjusting the width of the lower panel assay, and the center portion 71 and the edge portion 72. ) Are preferably stepped together.

As shown in FIG. 4, the lower panel assay 80 includes a lower pillar 70 and a lower panel 82, and bolt holes 84 at positions of the long grooves 73 of the lower pillar 70. After the lower pillar 70 is fixed in position, the bolt hole 81 of the lower panel and the long groove 73 of the lower pillar 70 may be fastened from the bottom of the lower panel 82 by means of bolts or the like. To make it work.

In addition, a plurality of bolt holes 86 are formed at the edges of the lower panel 82 where the waller assay 100 is located, respectively, and the lower panel assay 80 is provided through the plurality of bolt holes 86. ) Is coupled to the body panel 10 of each waller assay.

The lower pillar and the lower plate of such a structure can be adjusted so that the width of the bottom of the formwork by the lower pillars such that the width of the front and rear of the formwork is adjusted by the first and second side pillars 31 and 32. It is made up.

Figure 5 is a perspective view of another embodiment of a crossbeam steel formwork according to the present invention, as shown, except that the structure of the alignment member 40, the channel 20 and the first connecting member 50 is changed It is the same shape as the embodiment of FIG.

The alignment member 40 is a guider 40b directly coupled to the upper portion of the main body panel 10 in the width direction of the main body panel 10, and inserted into the guider 40b in the longitudinal direction to slide. Consisting of a slider 40a.

Since the channel 20 is not coupled to the alignment member 40 unlike the embodiment of FIG. 1, the channel 20 is the same as the height of the body panel 10 without protruding from the upper portion of the body panel 10. Has a length.

The slider 40a of the alignment member 40 is determined relative to the guider 40b according to the interval between the PC beams.

The first connection member 50 is a pair of “b” shaped brackets 50b having a horizontal surface directly coupled to the upper portions of the respective guides 40b and a pair of opposite wall positioned at different waller assays 10. It consists of an angle (50a) coupled to the vertical surface of the bracket (50b) through fastening means such as bolts or rivets.

As described above, the cross-beam concrete pouring form according to the present invention has the advantage that the width and height and skew adjustment can be adjusted to be completely in close contact with the PC beam without a separate supplement.

In addition, there is an advantage that the formwork can be smoothly installed in the condition that the skewed road or PC beam spacing and height are not constant.

Since tapes, nails, welds, etc. are not used at the installation site, there is an advantage of easy disassembly and installation.

Although preferred embodiments according to the present invention have been described above, this is merely an example, and the spirit of the present invention is not limited thereto, and various changes and modifications may be made without departing from the spirit of the present invention, and the various changes and modifications may be made. All belong to the scope of the present invention will be seen through the appended claims.

Claims (5)

Concrete formwork for cross beams used in reinforcing structures between a pair of PC beams, A pair of waller assays mounted one by one in front of and behind the rebar structure for cross beams after welding and welding; A lower panel assay coupled to the lower end of each wall assay; A connecting member connecting the respective wall assays It contains, Each Waller Assay, A main body panel facing the reinforcing bar structure; First and second side pillars coupled to the left and right sides of the main body panel and having a plurality of sliders facing the main body panel, respectively; A guide part for guiding the slider of the side pillar; A fixing part for fixing the slider; Alignment member to fix the body panel to the PC beam and to correct the height difference between the PC beam It contains, The lower panel assay is a cross beam formwork having lower pillars on the left and right sides, respectively. The method according to claim 1, The fixing part includes an angle formed with a nut hole and a first nut fixed to the nut hole. The guide part is formed inside the fixing part to slide the slider, and a bolt is inserted through the first nut. Formings for crossbeams to secure side pillars The method according to claim 1 or 2, Formwork for a cross beam having a skew control unit for adjusting the distance between each side pillar and the PC beam on the upper, lower, left and right sides of the main body panel, respectively. The method according to claim 1 or 2, The alignment member may include: an alignment guider coupled to an upper portion of the main body panel in a width direction of the main body panel; An alignment slider inserted into the guider and capable of sliding; Alignment bolts vertically coupled to the PC beam side ends of the respective sliders Crossbeam dies including The method according to claim 2, The slider has a second nut, and the bolt is inserted through the second nut to form a cross-beam formwork for tightly fixing the slider to the body panel