JP2617737B2 - Wall formwork support device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention is intended to support a wall formwork reliably and easily mainly at the time of one-sided formwork construction such as a continuous underground wall. To a wall form support device.

(Prior art) Conventionally, when constructing a single-sided formwork such as a continuous underground wall, for example, a steel sheet pile is driven in, a round separator is welded to the steel sheet pile, and the round separator and an appropriate thick material are used. The support of the wall form was made through.

(Problems to be solved by the invention) However, in the means for supporting the wall form as described above,
The installation work of the wall formwork was relatively troublesome and difficult to perform efficiently, and it had difficulties to shorten the construction period and reduce labor costs.
In addition, the concrete wall thus formed has a drawback that water leaks easily from the separator hole.

[Constitution of the Invention] (Means for Solving the Problems) Therefore, the present invention provides an anchor 1 embedded in a concrete layer 2 in a predetermined arrangement so as to leave a tip portion.
And a substantially right-angled triangular frame supporting frame 10 which is mounted on the wall forming apparatus B via the supporting member mounting bracket 50 and which can vertically support the wall forming apparatus B on the concrete layer 2. Configure. A vertical member 11 is disposed so as to be parallel to the wall formwork device B, and is attached to the wall formwork device B via the support member mounting bracket 50;
A horizontal member 12 fixed to the lower end portion and disposed in a direction orthogonal to the wall form device B;
An oblique member 13 fixed to an upper end portion and a lower end fixed to the other end portion of the horizontal member 1;
13 A lower end portion and a horizontal member 12 A jack mounting member 14 fixed to the other end portion, a jack mounting member 14 and a vertical member
The base jack 16 is mounted on each of the lower end portions 11 so as to be adjustable in height and placed on the concrete layer 2.
Together, the form support frame 10 is formed. Further, the vertical member 11
By forming the anchor 1 at a right-angled corner formed by the lower end and one end of the horizontal member 12 so that the anchor 1 can be connected and fixed via the mounting bracket 3, the above-mentioned difficulties and the like can be solved.

(Operation) The anchor 1 is buried in the concrete layer 2 in a predetermined arrangement state, and the distal end portion is embedded in the concrete layer 2.
Exposed upward. The form support frame 10 is mounted on the wall form device B via the support material mounting bracket 50, and the wall form device B is supported vertically on the concrete layer 2. The mounting bracket 3 connects the right-angled corner of the form support frame 10 and the anchor 1 and applies a diagonally downward pulling force to the form support frame 10 so that the right-angled corner faces the anchor 1. The tensile force acts as a force for vertically pressing the form support frame 10 toward the lower concrete layer 2 and a force for horizontally pressing the form support frame 10 against the wall form device B. I do.

Hereinafter, the present invention will be described with reference to illustrated examples.

In the figure, A shows a wall form support device of the present invention. This wall form support device A is provided in a concrete layer 2 such as a concrete foundation or a concrete slab such that a predetermined end portion is exposed upward. An anchor 1 buried in an installed state and a substantially right-angled triangular frame which can be mounted on the wall form device B via a support member mounting bracket 50 and can support the wall form device B vertically on the concrete layer 2. Form support frame 10
And a mounting bracket 3 for connecting and fixing the right-angled corner of the form support frame 10 and the tip of the anchor 1.

The anchor 1 is formed in a substantially U-shape in a plane and in a substantially U-shape in a side surface. Most parts are buried in 2 (see FIG. 1). In addition, a predetermined external thread is threaded on each of the distal ends of the anchor 1 exposed above.
The anchor 1 may be formed by appropriately bending a threaded bar, or may be provided with a male threaded portion only at the tip of the bar. In the illustrated example, the anchor 1 is buried in a concrete layer 2 such as a concrete foundation. However, the anchor 1 is buried in a relatively thin concrete layer 2 such as a concrete slab separating an upper floor and a lower floor. When the anchor 1 is embedded in the concrete layer 2, the anchor 1 is penetrated by an appropriate metal beam or the like embedded in the concrete layer 2 so as to obtain sufficient strength (not shown).

The mounting bracket 3 includes a connection nut 4 in the form of a long nut that can be screwed to the distal end portion of the anchor 1, a connection screw rod 5 that is screwed to the connection nut 4 and can be connected to the anchor 1, respectively.
A through hole through which the connecting screw bar 5 can be inserted at both ends while abutting against the right-angled corner of the formwork supporting frame 10 from the inside.
The fixing rod 6 includes a fixing rod 6 provided with each of the fixing rods 6a and a tightening nut 7 which can be screwed to the connecting screw rod 5 and can press the fixing rod 6 toward the anchor 1. Moreover, the connecting screw rods 5 are arranged so as to sandwich the right-angled corners of the form support frame 10 from both sides, and surround the right-angled corners with the fixing rods 6 in a substantially U-shape from the inside. Is formed.

The formwork support frame 10 is disposed so as to be parallel to the wall formwork apparatus B, and has a vertical member 11 attached to the wall formwork apparatus B via a support material mounting bracket 50, and one end thereof. A horizontal member 12 fixed to the lower end of the vertical member 11 and disposed in a direction orthogonal to the wall form device B; and an upper end fixed to the upper end of the vertical member 11 and a lower end connected to the other end of the horizontal member 12. The oblique member 13 fixed to the portion, the jack attaching member 14 parallel to the vertical member 11 and fixed to the lower end portion of the oblique member 13 and the other end portion of the horizontal member 12, and the jack attaching member 14 and the vertical member 11 A lower jack is attached to each of the lower ends so that the height can be adjusted, and a base jack 16 is placed on the concrete layer 2. Moreover, a right-angled corner is formed by the lower end of the vertical member 11 and one end of the horizontal member 12,
A reinforcing member 15 is fixed to the right-angled corner so as to connect the lower end of the vertical member 11 and one end of the horizontal member 12, and the strength and rigidity of the entire right-angled corner are increased.

In the drawing, 13a is an insertion hole formed at a predetermined position of the inclined member 13, 15a is an insertion hole formed at a predetermined position of the reinforcing member 15, and 17 is fixed near both ends of the horizontal member 12, respectively. In the clamp fitting, the clamp fitting 17 is used for gripping a wide-end thick pipe 18 laid between the frame supporting frames 10 arranged side by side.

The wall form device B includes a concrete form 20 and a plurality of vertical end members nailed to the concrete form 20 at predetermined intervals.
25, and a plurality of horizontal end members 30 connected to the vertical end members 25 via end end connection members 45.
Supporting material mounting bracket for connecting the lateral end thick member 30 and the vertical member 11
50 is attached to the formwork supporting frame 10 through the
See figure).

The vertical end thick members 25 are provided in a pair of prism-shaped base members 26 and 27 disposed in parallel at appropriate intervals, and connect the base members 26 and 27 to each other, and are disposed alternately in different oblique states. Inclined member 28
(See FIG. 1).

The side end thick member 30 has a pair of substantially grooved steel base members 31 and 32 arranged in parallel at appropriate intervals, and the base members 31 and 32 are arranged so that their respective open portions face up and down. The base members 31, 32 are connected to each other via a connecting piece 33 (see FIG. 5). Moreover, a plurality of long holes 34 are formed at predetermined intervals in each of the pair of base members 31 and 32 (see FIG. 3).

In the figure, reference numeral 35 denotes a horizontal end thick connecting member for connecting the horizontal end thick members 30 to each other via a wedge body 40. The horizontal end thick connecting member 35 is a pair of base members arranged in parallel at appropriate intervals. Plates 36, 37 each connected piece 3
8 and the wedge body 40 is attached to each of the substrate materials 36 and 37.
Are inserted at predetermined intervals. That is, by appropriately selecting the long hole 34 of the lateral end thick member 30 and the elongated hole 39 of the lateral end thick connecting member 35 and fitting the wedge body 40 appropriately, the pair of lateral end thick members 30 It is formed so as to be freely connected to the member 35 via a plurality of wedge bodies 40 (see FIG. 2).

The end thick member connecting bracket 45 is connected to the oblique member 28 adjacent to the vertical end thick member 25.
A connecting base member 46 attachable to the V-shaped groove portion composed of
Concrete formwork 20 of a pair of base members 31 and 32 of the side end thick member 30
A substantially hook-shaped locking hook 47 which can be locked so as to straddle the upper and lower edge portions, a connecting base member 46 and a pair of locking hooks
A pair of locking hooks 47 are arranged on both sides of the vertical end thick member 25, respectively, and a vertical end thick member 25 and a horizontal end thick member 30 are provided. (FIGS. 1 to 3).
See figure).

The supporting member mounting bracket 50 is an oblique member of the form support frame 10.
Insertion hole 13a drilled in 13 and insertion hole 1 drilled in reinforcing member 15
A mounting base rod 51 that can be inserted through 5a, and a substantially square-shaped side lock that can be locked so as to straddle the upper and lower edges of the pair of base members 31, 32 of the lateral end thick member 30 near the form support frame 10. It comprises a locking hook 52, a bolt 53 and a nut 54 for connecting both ends of the mounting base 51 and a pair of locking hooks 52, and the pair of locking hooks 52 is a vertical member 11 of the form support frame 10. It is arranged on both sides, and is formed so that the connection state between the lateral end thick member 30 and the formwork supporting frame 10 is strong and stable (first embodiment).
FIG. 3 to FIG. 3). The reference numeral 51a denotes a bolt insertion hole into which the bolt 53 can be inserted, which is formed at both ends of the mounting base rod 51.

In the figure, reference numeral 55 denotes a scaffolding plate support fitting mounted on the upper part of the vertical end thick member 25, and reference numeral 56 denotes a scaffolding plate installed between the scaffolding plate support fittings 55.

Incidentally, the wall form support device A shown in FIG. 4 is configured such that the fixing rod 6 of the mounting bracket 3 abuts on the reinforcing member 15 of the form support frame 10. In addition, anchor 1
Is not limited to that having a substantially U-shape in plan view. For example, two parallel threaded rods may be embedded in the concrete layer 2 in a predetermined arrangement state (not shown).

The specific configuration, shape, dimensions, material, embedding state of the anchor 1, the specific configuration and shape of the mounting bracket 3, the specific configuration, shape and dimensions of the formwork supporting frame 10, and the specific configuration of the support member mounting bracket 50. The configuration, shape, and the like are not limited to those in the illustrated example, and can be freely set as appropriate.

The present invention is configured as described above. Next, a description will be given of a use example of the present invention. First, the concrete layer 2 is fixed in a predetermined arrangement state so that the anchor 1 is exposed upward.
Buried inside. Then, a plurality of formwork supporting frames 10 are respectively mounted at predetermined intervals on the side end thick members 30 of the appropriately configured wall formwork device B via support material mounting brackets 50. Further, the thick pipes 18 at the lateral ends are gripped by the clamps 17 of the form supporting frame 10, and the connection between the form supporting frames 10 is firmly connected. In addition, the scaffold support metal fitting 55 is attached to the upper part of the vertical end thick material 25 of the wall form device B. Then, the wall form device B is erected such that the wall form device B is supported by the form support frame 10, and is placed at a desired position by a hoist, and the wall form device B is placed on the cocrete layer 2. The base jacks 16 of the formwork supporting frame 10 are adjusted so as to be perpendicular to each other. Thereafter, the right-angled corner of the form support frame 10 and the tip of the anchor 1 are connected and fixed via the mounting bracket 3 (the connecting nut 4, the connecting screw 5, the fixing rod 6, and the tightening nut 7).
The wall form supporting device A is installed by applying a pulling force obliquely downward toward the anchor 1 to the right-angled corner of the form supporting frame 10. Then, the scaffold plate 56 is erected between the scaffold plate support members 55. The scaffolding plate 56 is erected on the vertical end of the wall form B.
When the scaffolding plate support fitting 55 is mounted on the upper portion 25, a scaffolding plate 56 may be attached between the scaffolding plate support fittings 55 via a rubber band or the like.

[Effects of the Invention] Accordingly, the present invention provides an anchor 1 embedded in a concrete layer 2 in a predetermined arrangement state so as to leave a tip portion.
And a substantially right-angled triangular frame supporting frame 10 which is attached to the wall forming apparatus B via the supporting member mounting bracket 50 and can vertically support the wall forming apparatus B on the cocrete layer 2. The form supporting frame 10 is disposed so as to be parallel to the wall form apparatus B, and the supporting member mounting bracket 50 is provided.
A vertical member 11 attached to the wall form device B via a horizontal member 12, one end of which is fixed to a lower end portion of the vertical member 11 and is disposed in a direction orthogonal to the wall form device B; The oblique member 13 whose upper end is fixed to the upper end of the vertical member 11 and the lower end is fixed to the other end of the horizontal member 12, is parallel to the vertical member 11, and is connected to the lower end of the oblique member 13 and the other end of the horizontal member 12. The vertical mounting member 14 comprises a jack mounting member 14 to be fixed, and a base jack 16 mounted on the concrete layer 2 while being height-adjustably mounted on each of the lower ends of the jack mounting member 14 and the vertical member 11. 11 Lower end and horizontal member 12
Since the anchor 1 is formed so as to be connectable and fixable to the right-angled corner formed by the one end portion via the mounting bracket 3, the work of installing the wall form can be easily performed, and labor can be saved. Thus, labor costs can be reliably reduced by shortening the construction period and reducing the number of workers. In addition, a separator is not required, a separator hole is not formed in a concrete wall, water leakage or the like is hardly generated, and an excellent water stopping effect is exhibited. Further, it is possible to shorten the working process by reducing the number of steps. It should be noted that it is possible to improve the diversion of the formwork, the accuracy and uniformity of the skeleton, and the reduction of materials such as supports.

A mounting bracket 3 for connecting and fixing the anchor 1 and the formwork supporting frame 10 can be connected to the connecting nut 4 which can be screwed to each of the distal end portions of the anchor 1, and can be connected to the anchor 1 by being screwed to the connecting nut 4. And a pair of connecting screw rods 5 arranged so as to sandwich the right-angled corner of the form supporting frame 10 from both sides, and abutting the right-angled corners of the form supporting frame 10 and connecting screws at both ends thereof. Through hole through which rod 5 can be inserted
6a, and a fastening nut 7 which can be screwed to the connecting screw rod 5 and can press the fixing rod 6 toward the anchor 1 so that the anchor 1 and the frame supporting frame 10 are formed. The connection and fixation work with the device can be performed reliably and easily. Moreover, the tightening operation of the tightening nut 7 allows the pulling force obliquely downward such that the right-angled corners face the anchor 1 to be reliably and easily applied to the form support frame 10. Further, the connecting screw rod 5 is formed so as to sandwich the right-angled corner of the form support frame 10 from both sides and surround the right-angled corner with the fixing rod 6 in a substantially U-shape. The state of connection and fixation with the right-angled corners of the formwork supporting frame 10 is strong and stable.

In particular, at the right angle corner of the form support frame 10, the vertical member 11
Reinforcing member to connect lower end portion and one end portion of horizontal member 12
By fixing 15, the strength and rigidity of the entire right-angled corner are further improved, the durability becomes excellent, and the number of reusable times increases.

Furthermore, the horizontal member 12 of the form support frame 10 is provided with a clamp 17 capable of gripping the wide end thick pipe 18, so that the horizontal end thick pipe erected between the side by side form support frames 10 is provided. 18 can be grasped, and the connection and fixing state between the form support frames 10 becomes more robust. In addition, even if the wall form device B is raised or moved by the hoist,
There is no fear that the wall form device B is deformed.

[Brief description of the drawings]

The drawings illustrate the present invention. FIG. 1 is a side view of the entire apparatus, FIG. 2 is a front view of the entire apparatus, FIG. 3 is a plan view of the entire apparatus, and FIG. FIG. 5 is a partially cutaway side view showing another embodiment. A: wall form support device 1: anchor 2, concrete layer 3, mounting bracket 4, connecting nut 5, connecting screw rod 6, fixed rod 6a, through hole , 7 ... tightening nut, 10 ... form support frame, 11 ... vertical member, 12 ... horizontal member, 13 ... oblique member, 13a ... insertion hole, 14 ... jack mounting member, 15 ... reinforcement Member, 15a ... Insert hole, 16 ...
Base jack, 17 ... clamp fitting, 18 ... wide end thick pipe, B ... wall formwork device, 20 ... concrete formwork, 25 ... vertical end thick material, 26 ... base member, 27 ... base Member, 28 ……
Slanting member, 30 ... thick end material, 31 ... base member, 32 ... base member, 33 ...
Connecting piece, 34 ... Long hole, 35 ... Thick end connecting material, 36 ... Substrate material, 37 ... Substrate material, 38
... Connecting piece, 39 ... Long hole, 40 ... Wedge, 45 ... Connecting member of thick end, 46 ... Connecting base member, 47 ... Locking hook, 48 ... Bolt, 49 ... Nut, 50 …… Mounting bracket, 51 …… Mounting rod, 51a ……
Bolt insertion hole, 52 Lock hook, 53 Bolt, 54
... Nut, 55 ... Scaffold board support bracket, 56 ... Scaffold board.

Claims (4)

(57) [Claims] 1. An anchor buried in a concrete layer in a predetermined arrangement so as to leave a tip portion, and mounted on a wall form device via a support member mounting bracket, and a wall form device. And a substantially right-angled triangular frame-shaped frame supporting frame capable of supporting the frame vertically on the concrete layer. The frame supporting frame is disposed parallel to the wall forming apparatus, A vertical member attached to the wall form device via the mounting bracket, and one end is fixed to a lower end portion of the vertical member,
And a horizontal member disposed in a direction orthogonal to the wall formwork device, an oblique member having an upper end fixed to the upper end portion of the vertical member and a lower end fixed to the other end portion of the horizontal member, A jack mounting member that is parallel and fixed to the lower end of the inclined member and the other end of the horizontal member, and is mounted on the concrete layer while being height-adjustably mounted on each of the jack mounting member and the lower end of the vertical member. A wall form support device comprising a base jack and an anchor formed at a right-angled corner formed by a lower end portion of a vertical member and one end portion of a horizontal member so that an anchor can be connected and fixed via a mounting bracket. . 2. A connecting nut for connecting and fixing an anchor and a formwork supporting frame to each other at a tip end of an anchor, and a connecting nut screwed to the connecting nut to be connected to the anchor, respectively. A pair of connecting screw rods arranged so as to sandwich the right-angled corners of the frame support frame from both sides, and a through hole that abuts the right-angled corners of the form support frame and through which both ends can be inserted. 2. The wall formwork supporting device according to claim 1, wherein the fixing device comprises a fixed rod provided with a fixing nut and a tightening nut which can be screwed to the connecting screw rod and presses the fixed rod toward the anchor. 3. A wall form according to claim 1, wherein a reinforcing member is fixed to a right angle corner of the form support frame so as to connect a lower end of the vertical member and one end of the horizontal member. Support device. 4. The wall form support device according to claim 1, wherein a clamp member capable of gripping a thick pipe with a lateral end is provided on a horizontal member of the form support frame.