JPH06200622A - Concrete form device - Google Patents

Abstract

PURPOSE:To facilitate the conveyance of a concrete form to a construction site or arrangement thereof while assembling the form of various shapes of concrete walls when the concrete form is assembled in the construction site, to keep a material stocking area down to narrow one and to realize its reusing. CONSTITUTION:A concrete form device is assembled and constructed in a concrete placement site. In overall length lengthwise of both side ends of the outside of a square strut body 1, template maintaining channels 3 and 3 opended sideways and inserting and maintaining concrete molding plate-like templates 2 are formed. In addition, the concrete form device is constituted of struts 4 forming a large number of holding-holes at vertical intervals to hold batter brace holding members 6 holding batter braces 5 bearing concrete pressure of placed concrete by pushing the backs of the templates 2 maintained in the maintaining template maintaining channels 3 against the outside, a device 8 erecting and bearing the struts 4, plate-like templates 2 for concrete molding, the batter brace holding members 6 maintained by the holding-holes 7 of the struts 4 and the batter braces 5 maintained by the batter brace holding members 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete formwork device assembled and constructed at a concrete pouring site.
Specifically, when assembling concrete formwork on-site, it is easy to assemble concrete wall forms of various shapes, but it is also easy to carry the concrete formwork to the site and organize it, thus reducing the material storage area. It is related to the technology to suppress

[0002]

2. Description of the Related Art Conventionally, in a concrete formwork apparatus assembled and constructed at a concrete pouring site, FIG.
As shown in, a footing concrete 14 is placed on the split stone 13 and the footing concrete 14
Concrete formwork panels 15 and 15 are juxtaposed substantially parallel to each other on the top of the concrete formwork, and at the upper ends of the concrete formwork panels 15 and 15, the purse wood 16 and the crosspieces 17 are connected by nailing and fixed. It is designed to withstand the pouring pressure of the concrete being poured, and then the concrete is poured.

[0003]

However, in such a structure, the concrete formwork panel 15 is an off-the-shelf product having a certain size, and such a concrete formwork panel 15 having such a size is used. However, it is relatively easy to assemble a formwork for forming a concrete wall having a size that is an integral multiple of the concrete formwork panel 15.
Assembling of the non-sized pieces is performed by cutting the fixed-size concrete formwork panel 15, and thus the assembly of the formwork when the dimensions of the concrete formwork panel 15 are out of the way is troublesome and time-consuming. In addition, when the concrete formwork panel 15 is modified, it is difficult to reuse the modified concrete formwork panel 15, and in addition, the concrete formwork panel 15 having such a fixed size is used.
・ Many of the above items are delivered to the site, and they are placed and managed in the material storage area on the site, which makes the delivery bulky, the transport capacity becomes large, and a relatively large space is also available in the material storage area at the site. There was a problem that it cost.

The present invention has been made in view of the above problems, and an object thereof is to facilitate the assembling of concrete wall forms of various shapes for assembling the concrete forms on site. However, the concrete formwork can be easily carried into the site and organized, and the material storage area can be kept small. Even if a product other than the standard size is manufactured, the formwork can be reused and the cost can be reduced. In view of the aspect, it is intended to provide a concrete formwork device.

[0005]

SUMMARY OF THE INVENTION The present invention is a concrete formwork device assembled and constructed at a concrete pouring site, and has a total length along the length direction of both side ends of the outer surface of the quadrangular support body 1. A mold plate holding groove 3, which is opened laterally to insert and hold a plate-shaped mold plate 2 for concrete forming.
3 is formed, and on the other outer side, a flank corner holding material for holding a flank corner 5 that bears the concrete pressure of cast concrete by pressing the back surface of the template 2 held in the template holding groove 3 6
A plurality of holding holes 7 for holding the columns 4 vertically spaced, a means 8 for vertically supporting the columns 4, a plate-shaped template 2 for concrete forming, and a holding hole 7 for the columns 4. It is characterized in that it is composed of a flap corner holding member 6 held by and a flap corner 5 held by the flap corner holding member 6.

Further, the template holding groove member 9 is formed in a substantially H-shaped cross section, and a vertical groove 10 is formed on each surface of the support column 4 so as to be widened in the depth direction, and the template holding groove member 9 having a substantially H-shaped section is formed. The insert piece 11 is inserted into the vertical groove 10 so that it can be inserted and removed freely, and the template holding grooves 3 and 3 are formed between the column 4 and the template holding groove member 9.

[0007]

[Operation] The struts 4 ... Are erected on the concrete foundation or the foundation by means of the erection means 8 in a row at a required interval. Further, the columns 4 ... Are erected in a row so as to face each other with an interval corresponding to the thickness of the concrete wall to be placed. Then, the end portion of the plate-shaped template 2 is inserted and retained in the template retaining groove 3 of the support column 4. The flank holding material 6 is fitted into the holding hole 7 of the column 4 and attached. The flap corner holding member 6 holds the flap corner 5 so as to withstand the pouring pressure of the concrete poured between the facing template plates 2 and 2. As described above, in the field, the pillar 4, the means 8 for standing the pillar 4, the template 2, the flap corner holding member 6, and the flap corner 5 have a desired thickness and a desired size. Performs concrete formwork framework for concrete walls. By such a construction method, the workability of the concrete formwork is greatly enhanced as compared with the conventional construction method which uses an off-the-shelf concrete formwork panel with a predetermined size. Then, it is possible to easily assemble the molds out of the standard dimensions by changing the interval between the columns 4 standing upright in a row. Nevertheless, these formwork parts can be reused. In addition, the column 4 and the means 8 for standing it
The mold plate 2, the flap corner holding member 6, and the flap corner 5 are handled separately, and can be easily carried in, and these materials can be stored compactly. Is also advantageous, and its cost is greatly reduced in various aspects.

Further, the back piece 11 of the template holding groove member 9 having a substantially H-shaped cross section is inserted into the vertical groove 10 of the column 4 to form the template holding groove 3 in the column 4. That is, the template holding groove member 9 is formed separately from the support 4, and the support 4 and the template holding groove member 9 are separately provided while the template holding groove 3 is formed reliably. It is possible to separate the template holding groove member 9 which is a separate body from the cast concrete with little relation to the column 4, and the template holding groove member 9 can be easily separated.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. The concrete formwork apparatus A in the present invention is assembled and constructed at a concrete pouring site, FIG. 1 shows a perspective view during construction, and FIG. 2 shows a sectional view. The concrete formwork device A is composed of columns 4, template holding groove members 9, templates 2, flap corners 5, flap corner holding members 6, and means 8 for vertically holding the posts 4. Is transported to the site, stored, constructed, and disassembled and reused after construction. The configurations of the above materials will be described in detail below.

As shown in FIG. 7, each of the columns 4 is an extruded product of aluminum and has a hollow vertical groove 10 formed on each surface of the hollow column body 1. A large number of holding holes 7 are penetrated through the bottom piece 17 of the vertical groove 10 at intervals in the vertical direction. As shown in FIG. 9, at the lower end of the pillar body 1,
A receiving piece 19 is attached later by bolt connection or the like as required. Such an attaching means can be easily configured by forming a small hole in the groove forming piece 20 forming the vertical groove 10, inserting a bolt into the small hole, and screwing the screw hole of the receiving piece 19 into the small hole. It goes without saying that it can be configured and other configurations may be used. In addition, the pillar body 1 has a stealing hole 18 for weight reduction.
Is penetrated in the vertical direction.

The template holding groove member 9 has a substantially H-shaped cross section and is an extruded product of aluminum or synthetic resin. Then, the back piece 11 of the template holding groove member 9 is vertically inserted into the vertical groove 10, and the template holding grooves 3 and 3 are formed between the column 4 and the template holding groove member 9 to form a quadrangle. Template holding grooves 3 and 3 for laterally opening and inserting and holding a plate-shaped template 2 for concrete forming are formed in the entire length along the length direction of the side ends of the outer main body 1 of the column body 1. I am doing it.

FIGS. 3, 4 and 9 show a means 8 for supporting the support 4. The base 21 has a flat base plate 22 on which an upper plate 23 bent into a substantially U shape is placed and connected and reinforced. The plate 24 is interposed as a longitudinal strength material.
A plurality of setting holes 25 ... Are formed in the upper plate 23 at appropriate intervals. U-shaped pieces are formed at both ends of the upper plate 23 to form insertion grooves 26. End spacers 27 are provided in these insertion grooves 26 so that they can be inserted. A hook 28 is provided on the end spacer 27 so that the footing frame 29 can be pressed and held by the hook 28. Then, the base 21 is fixed to the footing concrete 14 via anchor bolts or the like, and the upper plate 2
The protrusion 31 at the lower end of the support member 30 is inserted into the set hole 25 at an appropriate position of the support member 3 to position the support member 30, and the lower hollow portion of the column main body 1 is inserted into the upper protrusion 32 of the support member 30. In addition, the standing position of the pillar main body 1 is determined, and the thickness of the cast concrete can be determined at the distances L ₁ and L ₂ between the opposing pillar main bodies 1, 1.

As shown in FIG. 3, the flap corner holding member 6 is substantially Z-shaped.
The main body 33 has a pin 34 attached to the main body 33, the pin 34 is inserted into the holding hole 7 of the support body 1, and the notch 35 formed in the main body 33 is formed in the corner portion of the support body 1. By locking the flap corner holding member 6 from rotation, the template 2 inserted into the template holding groove member 9 of the column body 1 by the pressing piece 36 at the tip of the flap corner holding member 6. The outer surface of the can be pressed. A standing piece 37 is erected on the rear portion of the flap corner holding member 6, and the flap corner 5 placed in the shape of a dog on the flap corner holding member 6 is attached to the back surface of the column main body 1 and the rising piece 37. It is held so as to withstand the pouring pressure of the concrete that is cast between the template plates 2 and 2. In this case, the lower receiving piece 38 having a substantially Z-shaped cross section is inserted into the receiving piece 19 at the lower end of the template 2 as shown in FIG. 9 to position the lower end of the template 2 and The concrete placed at the lower end is prevented from turning around.

According to the above-mentioned structure, the base 21 as the means 8 for vertically arranging the pillar 4 is placed and fixed on the footing concrete 14, and the end spacer 27 is fitted in the insertion groove 26 in the base 21. And the footing form 29 is held by the hooks 28 attached to the end spacers 27. Then, a pair of supporting members 30, 30 are set on the base 21 at a desired interval, and the supporting member 3
The lower cavities of the column main body 1 are inserted into 0 and 30 to vertically set the column main body 1 so as to face each other, and the column main body 1
The back piece 11 of the template holding groove member 9 is inserted into the vertical groove 10 having a widened shape on the usage surface of the column, and the column 4 and the template holding groove member 9 are inserted.
Form the template holding grooves 3 and 3 between them, insert the template 2 into such template holding groove 3, and set the lower end of the template 2 to the lower part between the column main bodies 1 and 1. Groove 39 of certain lower receiving piece 38
, And the pins 34 of the flap corner holding member 6 are inserted into the appropriate holding holes 7 of the support pillar body 1 to set the flap corner holding material 6 on the support pillar body 1. The plate 2 is pressed, and the flank corners 5 are inserted into the flank corner holding members 6 to press the back surface of the column main body 1.

Therefore, concrete formwork on site
The device A is assembled.
In the concrete mold device A, a joint between the mold plates 2 and 2
Place the cleats. With this construction method
Uses ready-made concrete formwork panels with specified dimensions
The workability of concrete formwork equipment A compared to the conventional method
Is greatly increased. And the supports that are erected in a row
Distance between columns 4 ...₁, L ₂It is easy to change the standard size by changing
It is possible to assemble an outrageous formwork. And this
With a concrete formwork device A such as
Can be framed in various shapes such as L-shaped and cross-shaped
It is something.

Concrete is cast between the facing mold plates 2 and 2 in the concrete formwork apparatus A assembled in this way, and after curing and drying after the casting, the flank corner 5 is removed. The flank corner holding member 6 is removed, the template 2 and the template holding groove member 9 are removed, and the column main body 1 is pulled out from the support member 30 and removed to reuse them. Then, the hook 28 is removed and the footing form 29 is removed. Then, the base 21, the end spacers 27, and the support material 30 are buried on the poured concrete side.

As described above, the column 4, the means 8 for standing it up, the template 2, the flap corner holding member 6, and the flap corner 5 are handled as separate bodies, and are carried in. It is possible to easily carry out the above, and to store these materials compactly at the construction site, which is advantageous in terms of space and greatly reduces the cost in various aspects. Furthermore,
The template holding groove member 9 is formed separately from the support 4, and the support 4 and the template holding groove member 9 are separately formed while the template holding groove 3 is formed reliably. It is possible to separate the template holding groove member 9 which has been formed from the cast concrete with little relation to the column 4, and to easily separate the template holding groove member 9.

By the way, as shown in FIG. 2 (a), when the reinforcing bar inserted into the anchor bolt 44 or the slab from the cast concrete B is laterally projected, as shown in FIG. 2 (b). In addition, the synthetic resin foam 46 is filled in the outer shell 45 formed of, for example, corrugated cardboard, and the anchor bolt 44 is held on the bar arrangement 47 connected to the base 21 or the like. It is enough to hold it by penetrating it. In such a case, the anchor bolt 44 may be held by the outer shell body 45 without the bar arrangement 47.

As shown in FIG. 5, connecting pieces 40 having a substantially H-shaped cross section are attached to the upper end of the template 2 with set bolts 41, and the connecting pieces 40. The adjustment spacer 42 for determining the end is inserted,
It is fixed with a fixing bolt 43 so that the top end position of the poured concrete can be changed and adjusted. The adjusting spacer 42 is also used for adjusting the height of the outer shell 45 that holds the anchor bolt 44. The connecting piece 40 may be long.

Then, as shown in FIG. 10 (a), in the middle portion between the column main bodies 1 and 1, if necessary, between the template 2 and the flank corner 5, a square pipe-shaped reinforcing spacer 48 is provided. The holding piece 50 provided on the tip of the holding material 49 as shown in FIG. 10B is inserted and held in the concave groove 61 of the reinforcing spacer 48, and is held at the flank angle 5 with the set bolt 62. However, the middle of the template 2 is pressed to sufficiently withstand the pouring pressure of concrete.

By the way, as shown in FIG. 11, a reinforcing member 63 is interposed between the column main body 1 and the end spacer 27,
The strut body 1 may withstand the pouring pressure of concrete. The length of the reinforcing tool 63 can be adjusted. Then, as shown in FIG. 11, in order to linearly connect the column main bodies 1 and 1 to each other, a connecting tool 71 as shown in FIG. 13B is interposed inside the hollow column main bodies 1, 1. The connection is made. For example, when the thickness of the poured concrete is made thinner on the upper side, as shown in FIG.
A shape joiner 64 may be used. The L-shaped joiner 64 utilizes the vertical groove 10 of the column main body 1 to
1 (b), it can be easily used via the nut plate 70 and the like, and the shape and form of the L-shaped joiner 64 can be variously changed in design, and the mounting form thereof can also be variously changed in design. .

FIG. 12 shows a construction of another embodiment of the erecting means 8 for erecting and supporting the strut body 1, in which the base plate 65 is placed on the footing concrete 14 and is erected from the footing concrete 14. The spherical support tool 30a that constitutes the standing means 8 is inserted and held on the anchor bolt 66 that is present, and the lower part of the support body 1 is inserted into this spherical support tool 30a. To the pillar body 1 as described above,
Template holding groove member 9, template 2, flap corner holding material 6, flap corner 5
And so on. In such a case, the reinforcing tool 63 as described above may be used so that the gap between the column bodies 1 and 1 facing each other does not widen, or other means may be used.

FIG. 13 shows still another embodiment, for example, a folding joint 66 used in a case where a vertical concrete wall is erected on the sloping pavement wall shown in FIG. A lower member 67 and an upper member 68, which can be inserted into the inside of the strut body 1, are flexibly connected to a pin 69, and the lower member 67 of the bending joint 66 is inserted into the slanted lower strut body 1a. Then, the upper member 68 is inserted into the upper column main body 1b so as to connect the upper column main body 1 substantially vertically. FIG. 13B shows a connector 71 for vertically connecting the pillar bodies 1 and 1.

The mold plate holding grooves 3, 3 into which the plate-shaped mold plate 2 for concrete molding is inserted and held laterally in the entire length along the length direction of the side end portion of the outer side surface of the column main body 1. To form the above, as shown in FIG. 14, a template holding groove member 9a having a substantially T-shaped cross section may be integrally formed on the outer surface of the column main body 1. The template 2 may be made of corrugated cardboard.

[0025]

As described above, according to the present invention, the plate-shaped template for concrete forming is inserted and held by being opened laterally in the entire length along the length direction of the both end portions of the outer surface of the rectangular column main body. A template holding groove is formed, and on the other outer surface, the backside of the template held in the template holding groove is pressed to hold the flank corner that can withstand the concrete pressure of the cast concrete. A pillar with a large number of holding holes for holding the material vertically spaced, a means for vertically supporting the pillar, a plate-shaped template for concrete forming, and a flap held in the supporting holes of the pillar. Since it is composed of corner holding material and flap corners held by flap corner holding material, the columns are erected in a row at a required interval on the concrete foundation or foundation by the standing means. , Furthermore, the pillars facing each other with an interval corresponding to the thickness of the concrete wall to be placed. Stand up in a row, and insert and hold the end of the plate-shaped template in the template-holding groove in the column, fit the flap holding material into the holding hole of the column, and attach it. The holding material is made to hold the flanks so as to withstand the pouring pressure of the concrete that is placed between the facing mold plates. Thus, on the site, the pillar, the means for standing it up, and the mold A concrete formwork frame for a concrete wall with a desired thickness and a desired thickness can be formed with a plate, a flank corner holding material, and a flank corner, and a ready-made concrete formwork panel with a predetermined size can be formed. Compared with the conventional construction method used, the workability of concrete formwork is greatly improved, and the formwork of non-standard dimensions can be easily assembled by changing the spacing between the columns that are erected in a row. The form parts can be reused, and in addition, columns and It can be handled separately from the means for standing it, the template, the flap corner holding material, and the flap corner, and it can be easily carried in, and these materials can be stored compactly, space There is an advantage that the cost can be significantly reduced including the cost in various aspects.

Further, the template holding groove member is formed in a substantially H-shaped cross section, and a vertical groove is formed on each surface of the support pillar so as to be widened in the back, so that the back piece of the template holding groove member can be inserted into and removed from the vertical groove. Since the template holding groove is formed between the column and the template holding groove member by inserting, by inserting the back piece of the template holding groove member having a substantially H-shaped cross section into the vertical groove of the column. The template holding groove can be formed on the column, that is, the template holding groove member can be formed separately from the column, and the template holding groove can be formed reliably, and the column and template holding groove member can be separated. Since it is formed as a body, it is possible to separate the template holding groove member, which is a separate body, from the cast concrete in a small amount for the columns, and there is an advantage that the template holding groove member can be easily separated. .

[Brief description of drawings]

FIG. 1 is a cutaway perspective view showing a construction state of an embodiment of the present invention.

2A is a sectional view and FIG. 2B is a partially enlarged sectional view.

FIG. 3 is a partial perspective view of the above.

FIG. 4 is a partially exploded perspective view of the above.

FIG. 5 is a partially enlarged sectional view of the above.

FIG. 6 is an exploded perspective view of a means for vertically supporting the support column.

FIG. 7 is a view showing the same column, where (a) is a sectional view and (b) is a front view.

8A and 8B show the relationship between the template, the flap corner holding member and the flap corner of the same, FIG. 8A is a plan sectional view, and FIG. 8B is a side view.

FIG. 9 is a side view showing an action of vertically setting and supporting the same pillar.

FIG. 10A is a plan view of a structure for pressing an intermediate portion of a template, and FIG. 10B is a perspective view of a holding material.

FIG. 11A is a side sectional view in another embodiment,
(B) is a partial enlarged plan sectional view.

FIG. 12 is a perspective view of still another embodiment of the same.

13A and 13B show another embodiment of the above, wherein FIG. 13A is a schematic exploded perspective view, and FIG. 13B is a perspective view of a connector.

FIG. 14 is a cutaway perspective view of a column of still another embodiment of the same.

FIG. 15 is a perspective view of a conventional example.

[Explanation of symbols]

 1 prop body 2 mold plate 3 mold plate holding groove 4 pillar 5 flank corner 6 flank corner holding material 7 holding hole 8 means 9 mold plate holding groove member 10 vertical groove 11 inner piece

Claims (2)

[Claims] 1. A concrete formwork device assembled and constructed at a concrete pouring site, the concrete forming device being opened laterally in the entire length along the length direction of both end portions of the outer surface of the quadrangular support body. A mold plate holding groove for inserting and holding a plate-shaped mold plate for use is formed, and on the other outer surface, the back surface of the mold plate held in the mold plate holding groove is pressed to withstand the concrete pressure of the poured concrete. A pillar having a large number of holding holes for holding a flank corner holding material for holding a flank corner holding member, a means for vertically supporting the pillar, and a plate-shaped template for concrete molding, A concrete formwork device including a flap corner holding member held in a holding hole of a column and a flap corner holding by the flap corner holding member. 2. A template holding groove member is formed in a substantially H-shaped cross section, and a vertical groove is formed on each surface of the support column so as to be widened in the back, and the back piece of the template holding groove member can be inserted into and removed from the vertical groove. 2. The concrete formwork apparatus according to claim 1, wherein the formwork holding groove is formed between the pillar and the formwork holding groove member by inserting.