JP2000320136A - Erecting method for waterproof rising end and waterproof jaw form material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability by installing a waterproof jaw form of a jaw part inside a form of a rising part of a parapet, and separating the form from a mold by placing concrete. SOLUTION: An additionally attaching member installing locking part 3c is formed in a main body part 3b of a waterproof jaw form material 3, and a water expansible seal material 5 is arranged in at least an upper part 3d. For example, when arranging a rising part on the rooftop, a form 3 is installed inside (1a) a form 1 by a synthetic resin nail 3a, and when placing concrete after setting the form 1, a seal material 5 expansively solidifies to enhance sealing performance. Next, after hardening the concrete, the nail 3a is cut, the form 1 is separated from a mold, and after leaving the form 3 in a concrete skeleton, for example, a waterproof sheet end part laid on the rooftop is fixed to a lower part 3e, or an additionally attaching member is engaged with the locking part 3c to improve an external appearance of a jaw part. Thus, site work of a jaw part form is obviated, manhours can be reduced, abandoning forms can be reduced, and damage of the concrete at mold separating time can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a waterproof rising operation on a roof or a basement of a concrete structure, and a waterproof jaw form material used for the method.

[0002]

2. Description of the Related Art In order to construct a waterproof rising portion A of a parapet or the like on the roof or basement of a concrete structure, conventionally, as shown in FIGS. A method is known in which a mold 1 is set and concrete is cast into the mold 1 to form the concrete.

[0003] In this formwork construction process, first, the formwork 1 is erected, a reinforcing bar 8 is arranged therein, and a return formwork 9 for forming a jaw portion for draining is set. Then, concrete is poured into the molds 1 and 1, after the required strength is developed, the mold is released, and the joint bars 10 are removed.
Repair of plasterers such as chin-around skeleton and finishing is completed, and the waterproof start-up part is completed. Thereafter, a known waterproofing process such as asphalt waterproofing is performed.

[0004]

However, in the above-mentioned conventional construction, it takes time and effort to remove joint bars at the back of the chin when assembling and disassembling the formwork, and since the shape of the chin is complicated, small concrete panels or the like are required. Repair work on the jaw, which generates a large amount of industrial waste, is required (see Fig. 6 (c)). When a cement extruded plate is used for waterproof rising protection (see Fig. 6 (d)), There are problems that it is necessary separately, which increases the cost of construction work, and that concrete is easily cracked or chipped when the formwork is dismantled. The construction method of the waterproof rising finish and the waterproof jaw form material according to the present invention are proposed to solve such a problem.

[0005]

The gist of the present invention for solving the above-mentioned problems in the method for constructing a waterproof rising finish according to the present invention is to attach a waterproof jaw formwork material of a jaw portion inside a formwork of a rising portion. After setting the form, a concrete is poured into the form, and the form is removed from the form.

[0006] A required number of mounting nails that are cut when the mold is removed from the waterproof jaw form material are protruded from the waterproof jaw form material, and the waterproof jaw form material is driven into the inside of the form by the mounting nail. This includes fixing the inside of the mold.

The gist of the waterproof jaw mold material according to the present invention is that it is attached to the inside of a mold to form a jaw portion of a rising portion for waterproofing, and a mounting nail directed to an inner surface of the mold. Is protruded from the main body portion, and a locking portion for attaching a retrofitting member to the main body portion is provided and formed on the main body portion.

The mounting nail is cut when the mold is removed from the mold, and a water-swellable sealing material is provided on at least the upper part of the upper part and the lower part of the main body part. It is a thing.

According to the present invention, it is only necessary to fix the waterproof jaw mold material to the mold and cast concrete, so that it is not necessary to form a complicated mold of the jaw portion on site, and the number of working steps is reduced. It becomes reduction. In addition, the amount of industrial waste of dismantled concrete panels can be reduced. By attaching a retrofitting member to the waterproof jaw form member and coloring the retrofitting member, finishing work is not required. Since the retrofitting member is attached by being engaged with the locking portion of the waterproof jaw frame material, the work is facilitated. Furthermore, there is no cracking or chipping of concrete due to removal of joint bars or mold release,
High quality can be maintained.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a method for constructing a waterproof rising finish and a waterproof jaw form member according to the present invention will be described with reference to the drawings. To facilitate understanding of the present invention, portions corresponding to those of the conventional example will be denoted by the same reference numerals as those of the conventional example.

FIG. 1 shows an inner side 1a of a formwork 1 for a rising portion of a parapet or the like in a concrete structure.
A waterproof jaw form member 3 for forming the jaw portion 2 is mounted.

The waterproof jaw mold member 3 is provided on the inner side 1a of the mold 1.
A mounting nail 3a facing the surface protrudes from the main body portion 3b, and a locking portion 3c for mounting the retrofitting member 4 to the main body portion 3b is provided on the main body portion 3b.

The waterproof jaw mold member 3 is a drawn material made of synthetic resin or aluminum. A water-swellable sealing material 5 is provided on at least the upper part 3d of the upper part 3d and the lower part 3e of the main body part 3b on the concrete side.

The mounting nails 3a are provided, for example, at two locations in the up-down direction and at required intervals in the left-right direction (perpendicular to the paper surface) at a required length toward the inner surface 1a of the mold 1. Things. The mounting nail 3a is made of, for example, a synthetic resin and is cut when the mold 1 is removed from the mold.

A construction method for forming a rising portion for waterproofing using the thus formed mold 1 and waterproof jaw mold 3 will be described. As an example, when a rising portion is formed on the roof of a concrete structure, the waterproof jaw mold material 3 is attached and fixed to the inside 1a surface of the mold 1 by attaching nails 3a for attachment.

The form 1 to which the waterproof jaw form 3 is attached
Is set upright at a predetermined position, and then concrete is poured into the formwork 1. The sealing material 5 expands and solidifies due to the moisture in the concrete under the casting, thereby increasing the water stopping performance and improving the waterproof performance.

After the required strength of the cast concrete is developed, the form 1 is released. When the mold 1 is removed from the mold, the waterproof jaw mold member 3 remains in the concrete frame.
At the same time, the mounting nail 3a is cut.

After that, as shown in FIG. 2, for example, when a shade is not provided above the rising portion, alpha waterproofing or sheet waterproofing 7 is applied to the roof or the like, and the end 7a is attached to the waterproof jaw. It is fixed to the lower part 3e of the form member 3.

Further, as shown in FIG. 3, in order to protect the appearance of the jaw portion, a retrofitting member 4 made of synthetic resin or aluminum is engaged with the engaging portion 3c of the waterproof jaw form member 3 to make one-touch operation. Install by work.

Further, as shown in FIG. 4, the retrofitting member 4 is fitted on the upper portion of a protective plate (extruded cement plate or the like) 6 to improve the appearance of the design and to protect the rising portion. Then, the retrofitting member 4 is engaged with the waterproof jaw formwork 3. As described above, this can be performed after the form is driven, and can be easily handled according to the finishing grade.

In this manner, the waterproof jaw form member 3 facilitates the construction method of the waterproof rising operation and improves the quality without cracking of concrete.
As shown in FIG. 5, a comparison between the step (a) of the conventional example and the step (b) according to the waterproofing rising finishing method according to the present invention shows that the number of steps is greatly reduced.

[0022]

As described above, according to the method of constructing the waterproof rising finish according to the present invention, the waterproof jaw form material of the jaw portion is attached to the inside of the mold portion of the rising portion, and the mold is set. Later, concrete is poured into the formwork, and the formwork is removed from the formwork, so that it is only necessary to fix the waterproof jaw formwork material to the formwork and cast concrete, and the jaw portion is complicated. This eliminates the need to form a simple formwork on site, and has an excellent effect of reducing the number of work steps. In addition, the amount of industrial waste of dismantled concrete panels can be reduced. Furthermore, the present invention has an excellent effect that high quality can be maintained without cracking or chipping of the concrete due to removal of the joint rod or removal of the mold.

A required number of mounting nails that are cut when the mold is removed from the waterproof jaw formwork are protruded from the waterproof jaw formwork. The mounting nails are used to strike the inside of the formwork to fix the waterproof jaw formwork. Since it is fixed inside the formwork, the formwork can be removed without damaging the waterproof jaw formwork material, and the present construction method has an excellent effect that it can be easily performed.

The waterproof jaw formwork material according to the present invention is attached to the inside of the formwork to form a jaw portion of a waterproof rising portion, and is provided with a mounting nail facing the inner surface of the formwork. Since the locking portion protruding from the portion and attaching the post-installed member to the main body portion is provided on the main body portion, the operation is facilitated and the construction cost is reduced. Things. Further, by attaching a retrofitting member to the waterproof jaw form member and coloring the retrofitting member, finishing work is not required. This retrofitting member has an excellent effect that it can correspond to the finishing grade and can be easily attached by being engaged with the locking portion of the waterproof jaw form member to facilitate the work.

Since the mounting nail is cut when the mold is removed from the mold, an excellent effect that the above-described construction method can be performed is achieved.

Since the water-swellable sealing material is provided at least on the upper part and the lower part of the main body part, an excellent effect that the waterproof performance is improved can be obtained.

[Brief description of the drawings]

FIG. 1 is an explanatory view for explaining a method for constructing a waterproof rising finish according to the present invention.

FIG. 2 is an explanatory diagram showing a part of the waterproof treatment after the waterproof rising finish construction method according to the present invention is performed.

FIG. 3 is an explanatory view showing a state in which a waterproofing treatment and a retrofitting member are attached after the waterproofing rising finishing method according to the present invention is performed.

FIG. 4 is an explanatory diagram showing a state where a waterproofing process is performed and a retrofitting member and a protection plate are attached after the waterproofing finish finishing method according to the present invention is performed.

FIG. 5 is a diagram (a) of a process according to a conventional example and a diagram (b) of a process according to the present invention.

6A to 6C are explanatory views (a), (b), (c), and (d) of a method of constructing a waterproof rising finish according to a conventional example.

[Description of Signs] 1 Formwork, 1a Inside the formwork, 2 jaw parts, 3 waterproof jaw formwork material, 3a mounting nail, 3b body part, 3c locking part, 3d upper part, 3e lower part, 4 retrofit members, 5 sealing material, 6 protective plate, 7 sheet member, 7a end.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Naoki Sakurada 1-7-1 Kyobashi, Chuo-ku, Tokyo Inside Toda Construction Co., Ltd. Tokyo Branch (72) Inventor Yoshinori Oe 1-7-1 Kyobashi, Chuo-ku, Tokyo In the Tokyo Branch of Toda Construction Co., Ltd. (72) Shinji Sakuma Inventor 1-7-1, Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. Tokyo Branch (72) Inventor Hirokazu Ihara 1-7-, Kyobashi, Chuo-ku, Tokyo 1 Toda Construction Co., Ltd. Tokyo Branch (72) Inventor Masashi Tsumura 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. Tokyo Branch (72) Inventor Hisanori Okura 1-7-Kyobashi, Chuo-ku, Tokyo 1 F-term in the Tokyo branch of Toda Construction Co., Ltd. (reference) 2E001 DA01 DA03 DH39 EA02 FA16 FA18 FA71 FA73 GA12 GA55 GA67 GA72 HA01 HB04 HD11 HF01 KA05 LA05 LA10 LA12 LA20 MA03 MA04 MA06

Claims (5)

[Claims] A waterproof jaw form material for a jaw portion is attached to the inside of a mold at a rising portion, concrete is poured into the form after setting the form, and the form is removed. The waterproofing rising construction method characterized by the following. 2. The waterproof jaw form material is provided with a required number of mounting nails that are cut when the mold is released from the waterproof jaw form material, and the waterproof jaw form material is driven into the inside of the form by the mounting nails. The method according to claim 1, wherein the fixing is performed inside the formwork. 3. A jaw portion of a rising portion for waterproofing which is attached to an inner side of a formwork, wherein a mounting nail directed to an inner surface of the formwork is protruded from a main body portion, and a retrofit member is provided. A waterproof jaw form material, wherein a locking portion for attaching to the main body portion is provided and formed on the main body portion. 4. The waterproof jaw formwork material according to claim 3, wherein the mounting nail is cut when the mold is released from the mold. 5. The waterproof jaw formwork material according to claim 3, wherein a water-swellable sealing material is provided on at least an upper part of the upper part and the lower part of the main body part.