JPS5934363A - Construction of moving type concrete molding frame - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mobile concrete form construction method for efficiently constructing elevated structures such as retaining walls and embankments.

When constructing a concrete structure that is horizontally long and large in height, such as a retaining wall or embankment, first construct a foundation concrete of the required height above the foundation, and then build a wall of the required height on top of it. However, in order to increase efficiency and save labor, large movable formwork is used to construct retaining walls that are horizontally long and have almost the same cross-sectional shape. construction methods have come into use.

However, conventionally used mobile formwork equipment moves while holding a large formwork and performs a series of operations such as shaping, modifying, and demolding the formwork, making the structure complex and difficult to handle. This method requires a high level of skill, and as a result, the construction method is extremely troublesome, inefficient, and has many problems, including low economic efficiency.

The present invention solves the above-mentioned problems and provides a novel transfer set that is easy and efficient to work with, and the formwork used is simple and inexpensive, making it highly economical. The purpose is to provide a construction method using formwork equipment.

Hereinafter, one example of the construction method of the present invention will be discussed with reference to the drawings.

First, the transfer type 1 type formwork device used in the present invention will be explained. In the figure, 1 is a holding frame, which includes a beam frame 2 that extends in the longitudinal direction of the construction structure, and a holding frame that extends downward from the front part of the beam frame 2. A plurality of holding frames 1 are arranged at required intervals in the width direction of the constructed structure.

These holding frames 1. In the IK, a plurality of body members 4, 4 extending in the width direction of the construction structure are constructed and connected on the beam frames 2, 2, and the lower ends of the column frames 3, 3 are mutually connected. It is connected to the rod material 5.

At the rear end and front end of the holding frame 1, there are rear running gear wheels 6, 6 and front running gear wheels 7, which are height adjustable, respectively.
7 is provided. That is, a mounting member 8 is erected at the rear end of the beam frame 2, and a rear traveling gear 6 is provided with its body 8 fixed thereto, and wheels 10 are provided at the lower end of the body 9. A leg rod 11 is inserted, and can be freely adjusted up and down relative to the body 9 by hydraulic pressure, screws, or other means.

In addition, at the lower end of the column frame 3, there is a front traveling P14 + car 7
is provided with its trunk 8 fixed. Since this front traveling caster 7 has the same configuration as the rear traveling gear 6 described above, detailed description thereof will be omitted.

Reference numeral 14 denotes a front formwork that is vertically installed on the beam frame 2 at the front end of the holding frame 1, that is, slightly rearward of the pillar 7 frame 3. Like conventional formwork, it can be used for frame materials such as vertical and horizontal flaps. It is formed by fixing the weir plate, and on its outer surface there are places corresponding to the beam frame 2゜2 ((vertical support rod 1
5.15 has been reprinted. Incidentally, the support rods 15 may be formed by using vertical flutters of the formwork. Moreover, at the upper end of each support rod 15, there is a vertical punch formed long in the longitudinal direction of the beam frame 2! ! IIJ RS node jack 16 is fixedly installed. This vertical movement adjustment jack 16 is conventionally known, but just to be sure, a threaded rod 16b is rotatably provided in a cylindrical body 16a formed long in the horizontal direction. The moving piece 16d with the bottle 17 protruding from the elongated hole 16e provided in the cylinder 16a is disassembled and moved by rotating the screw rod 16b (19) J piece 1
The bottle 17 is stored in the elongated hole 16c and moved through the elongated hole 16c.

The bin 17 is pivoted to a bracket 18 fixed to the beam frame 2, and the -C1 front formwork 14 is attached to the beam frame 2 via the support rod 15 with the bin 17 as an axis as shown by arrow a in FIG. As well as being able to tilt freely, vertical movement%
By operating the FiA Mr jack 16, it is mounted so that it can move freely in the longitudinal direction of the beam frame 2 as shown by the arrow.

19. 19 is a side formwork attached to both ends of the body members 4, 4, and like the front formwork 14, it is formed by fixing a weir plate to vertical or horizontal frame members. Body material 4 on the outside side
, 4 are attached to support rods 20, 20 in the vertical direction, and these support rods 20 can also utilize formwork vertical flaps. Further, at the upper end of each support rod 20, a trunk member 4 is provided.
A lateral displacement VHM joint jack 21 formed long in the longitudinal direction is fixedly installed. This lateral movement adjustment jack 21 has the same configuration as the vertical movement leg cylinder jack 16 described above, so the drawings show a cylinder body 21a1, a threaded rod 21b, and a long hole 21c.
The 1-movement piece 21d and the bin 22 are denoted by reference numerals, and detailed explanation thereof will be omitted. Then, the bin 22 protrudes from the lateral movement adjustment jack 21 and is pivoted to a bracket 23 fixed to the body material 4, whereby the side formwork 19 attaches the bin 22 to the body material 4 via the support rod 20. The shaft L7 can be tilted freely as shown by the arrow d in FIG. It will be installed.

Note that the body members 4 connected to the beam frames 2, 2 are not limited to the two locations at the front and rear of the beam frames 2, 2 as shown in the figure;
The number of locations can be increased as needed.

The construction method of the present invention is carried out using the above-mentioned mobile formwork apparatus. First, rails 12° 12.13, 13 are laid on the top surface of structure B, which has already been raised on top of the existing structure A, such as foundation concrete, and on the top surface of the existing structure A.
The rear traveling casters 6, 6 are placed on the rails 13 and 12, and the front traveling gears 7, 7 are placed on the rails 13 and 13, and the device of the present invention is placed on both structures A and B. to support. This "junction,"
The rear part of the side formwork 19.19 is placed at a position where it overlaps the elevated structure B by a required length l (see FIG. 1). Also, by adjusting the heights of the rear traveling gear wheels 6, 6 and the front traveling gear wheels 7, 7, the lower ends of each formwork 19.19.14 are aligned with the existing structure A.
so that it is grounded to the top surface of the Furthermore, the side formwork 19.
19 is positioned in the width direction by operating the lateral movement adjustment device 21 at its upper end, and the front formwork 14 is also positioned by operating the vertical movement adjustment device 16 at its upper end to position the side formwork 19.
It is joined to the front end of No. 19. And each formwork 14, 19.
The lower part of 19 can be fixed to the formwork by connecting bolts or connectors (not shown), or by fixing the existing structure with equal pressure to set the predetermined position, and to set the predetermined position (of the poured concrete). Make it compete against ITllEE.

Concrete C (see FIGS. 3 to 5) is poured into the empty spaces in each of the formworks 14, 19, 19 set in this way. Once the poured concrete has hardened, release the fixation at the bottom of each formwork 14, 19, 19, and then adjust the top end of the front formwork 14 by operating the vertical movement adjustment jack 16, as shown in FIG. is moved forward and peeled off from concrete C. Next, as shown in FIG. 4, by operating the lateral movement adjustment jacks 21, 21, both side formworks 19.
The upper end of 19 is moved outward in the width direction, and is peeled off from the concrete C.

After this demolding work is completed, as shown in FIG. Frame 14, 19.19
will be lifted and its lower end will be placed above the existing structure A. Then, rail 1 on concrete C
2゜12 and lay the rails 24.24, and push the formwork device forward by appropriate means, the formwork device will be connected to rail 1.
3, 13, 24, and 24 and can be moved to the next construction position.

By repeating the above-mentioned construction, construction progresses.

In addition, in this example, rails are laid in order to move the formwork equipment, but this is not essential, and the upper surface of the foundation concrete A is flat, so care should be taken when running the formwork equipment. If this is done, it will be possible to travel without installing rails.

As explained above, in the construction method of the present invention, the front formwork is placed at the front end of the holding frame, and the side formwork is placed on both sides, and the upper ends of the holding frame are movable and adjustable in the longitudinal direction or the width direction. It is mounted so that it can be tilted freely and in front of the holding frame.

The rear end ((Using a mobile formwork device equipped with a running platform whose height can be adjusted freely, the traveling casters at the front and rear ends of this device are placed on top of the existing structure and elevated structure, respectively.
Operations such as setting and demolding of each formwork are performed using the holding frame as a base, and after demolding, the equipment is lifted up by a traveling caster and moved to the next location, so there is no need to worry about pouring concrete. Each formwork forms an integral connection,
A series of operations such as shaping, modifying, and demolding the formwork can be easily performed without the need for hot wires, and since each formwork is moved as a unit, continuous and highly efficient construction can be carried out. is possible,
It has many excellent effects such as markedly improved anti-inflammatory properties.

[Brief explanation of drawings]

The drawings show a processing mode according to an embodiment of the present invention. Fig. 1 is a side view showing the formwork set, Fig. 2 is a partially cutaway front view of the same, and Fig. 3 is a front view of the formwork removed. Fig. 4 is a front view showing the state of the side formwork during demolding, and Fig. 5 shows the state of the formwork device when it is running.
It is an 11th view. A... Existing treetop structure B... Tongue structure C... Concrete 1... Holding frame 2... Beam frame 3... Column frame 4... Trunk material 6...
・Rear traveling gear 7...Front traveling gear 12, 13...
・Rail 14...Front formwork 15...Support rod 16
・・・Vertical movement adjustment jack

Claims (1)

[Claims] At the front and rear ends of the holding frame extending in the longitudinal direction of the construction structure, a height-adjustable running gear is provided. A movable formwork device is equipped with a front formwork that is movably adjustable and tiltable, and side formworks are attached to both sides of the holding frame so that the upper end thereof is movable and tiltable in the middle direction of the holding frame. The rear running gear is placed on the elevated structure, the front running gear is placed on the existing structure, each formwork is set in the specified condition, concrete is poured, and concrete is poured. After curing, first, the front formwork is demolded by moving its upper end forward, and the both side formworks are demolded by moving their upper ends outwards, and then each traveling leg vehicle is raised. A mobile concrete formwork construction method characterized by moving the lower edge of each formwork in stages and then moving it to the next construction location using each traveling pedestal.