JPH0471806A - Manufacture of closed conduit block having directly attached grating - Google Patents
Manufacture of closed conduit block having directly attached gratingInfo
- Publication number
- JPH0471806A JPH0471806A JP18498690A JP18498690A JPH0471806A JP H0471806 A JPH0471806 A JP H0471806A JP 18498690 A JP18498690 A JP 18498690A JP 18498690 A JP18498690 A JP 18498690A JP H0471806 A JPH0471806 A JP H0471806A
- Authority
- JP
- Japan
- Prior art keywords
- grating
- closed conduit
- directly attached
- conduit block
- view
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 229920005990 polystyrene resin Polymers 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000009415 formwork Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 18
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 238000010276 construction Methods 0.000 description 8
- 239000012778 molding material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000007726 management method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Sewage (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はコンクリート二次製品製造工場における、グレ
ーチング付暗渠ブロック打設時に、グレーチング取付用
枠体を不要にし、安価で省力化の計れるグレーチング直
付暗渠ブロックの製造方法に関する。[Detailed Description of the Invention] (Field of Industrial Application) The present invention is an inexpensive and labor-saving method that eliminates the need for a grating mounting frame when placing underdrain blocks with gratings in concrete secondary product manufacturing plants. The present invention relates to a method for manufacturing a culvert block.
（従来技術）
順不同であるが、従来技術のグレーチング（寸暗渠ブロ
ック製造法を第７ａ、ｂ、ｃ、図を用ＧＸで説明する。(Prior Art) In no particular order, a method of manufacturing a grating (dimension block) according to the prior art will be explained in Sections 7a, 7b, and 7c, and in Fig. 7GX.
ａ図は従来のグレーチング付暗渠ブロックＢ の斜視図
であり、埋設した枠体Ｆと、図上部１こ、施工現場で装
着するグレーチングＧを示し、引出線の図（ま、枠体部
断面の拡大斜視図である。 ｂ図は雨水の流入する空間
部Ｓの形成と１ｉＴｌ記枠体Ｆを定位置ｔこ埋設する鋼
板製の形成型３０の斜視図である。なお、図中の８は枠
体螺着用のボルト孔である。０図は、天地逆１こ製造す
る状態を示す断面図であり、前以て、枠体Ｆを溶着した
鉄筋金１１１ＩＩＭの該枠体に形成型３０を１１ 天地
逆にして型枠の底面部１０上に設置し、中子５０を図中
手前より鉄筋金網Ｍ内に挿入し、型枠の左右側板４０と
前後の妻板（図示せず）を閉じ、上面開口部カシらコン
クリートを投入し、所定時間の蒸気養生の後脱型して暗
渠ブロックＢ°を製造する。なお、形成型３０は脱型後
に螺合を解いて取り除き、施工現場番こ搬入後グレーチ
ングを該枠体にボルトで固着する。従って従来工法では
、多数の隔壁のあるグレーチングを直接埋設することが
できないために、枠体を必要とし、形成型の脱着手間、
現場でのグレーチングの装着手間、グレーチングの管理
等、多くの欠点があり、トータルコストが高くなる。Figure a is a perspective view of the conventional grating-equipped culvert block B, showing the buried frame F, the upper part of the figure, the grating G to be installed at the construction site, and the drawing of the leader line (also, the cross-sectional view of the frame part). It is an enlarged perspective view. Figure b is a perspective view of a forming mold 30 made of a steel plate for forming a space S into which rainwater flows and embedding a frame F at a fixed position. Note that 8 in the figure This is a bolt hole for screwing the frame. Figure 0 is a cross-sectional view showing a state in which the frame is manufactured upside down. In advance, a forming mold 30 is attached to the frame of reinforced metal 111IIM to which the frame F is welded. 11 Place it upside down on the bottom part 10 of the formwork, insert the core 50 into the reinforcing wire mesh M from the front in the figure, close the left and right side plates 40 of the formwork and the front and rear end plates (not shown), Concrete is poured into the upper surface opening, and after steam curing for a predetermined period of time, the mold is demolded to manufacture the underdrain block B°.After demolding, the forming mold 30 is unscrewed and removed, and transported to the construction site. The rear grating is fixed to the frame with bolts.Therefore, in the conventional construction method, since it is not possible to directly bury a grating with many partition walls, a frame is required, and during the removal and removal of the forming mold,
There are many drawbacks such as the hassle of installing the grating on site and the management of the grating, which increases the total cost.
（発明が解決しようとする問題点）
本発明は従来技術の欠点を排除し、グレーチングを直接
暗渠ブロックに埋設して安価で省力化の計れるグレーチ
ング直付＃Ｉ渠ブロック製造法を提供し５Ｍ業の発展に
寄与するとともに、交通の安全が計するグレーチング直
付暗渠ブロックの普及を目的とする。(Problems to be Solved by the Invention) The present invention eliminates the drawbacks of the prior art and provides a method for manufacturing #I culvert blocks directly attached to gratings, which is inexpensive and labor-saving, by directly embedding gratings in culvert blocks. The purpose of this project is to contribute to the development of culvert blocks with direct gratings, which improve traffic safety.
（問題点を解決するための手段）
ｌ）鉄筋金網の暗渠ブロック上面倒に、突出片を周設し
たグレーチングを溶着または係合させて固着し、該グレ
ーチング表面と型枠の中子表面間の空間部を、油性剥離
材を塗布した高発泡率のポリスチレン樹脂で充填して打
設した。グレーチング直付暗渠ブロック製造法。(Means for solving the problem) l) Weld or engage a grating with protruding pieces around the underdrain block made of reinforced wire mesh to fix the area between the grating surface and the core surface of the form. The space was filled with high foaming rate polystyrene resin coated with an oil-based release material and poured. Method for manufacturing underdrain blocks with direct grating.
２）高発泡率のポリスチレン樹脂がゴムまたは弾性樹脂
であり、該グレーチング表面をゴムまたは弾性樹脂で覆
設した、特許請求の範囲第１項記載のグレーチング直付
暗渠ブロック製造法。2) The method for producing an underdrain block directly attached to a grating according to claim 1, wherein the polystyrene resin with a high expansion rate is rubber or an elastic resin, and the grating surface is covered with the rubber or elastic resin.
（作用）
上記のように構成した製造法によれば、グレーチングの
枠体は不要で、グレーチングのコストも低減し、グレー
チングの表面と中子間の空間部に充填した、油性剥離材
を塗布した高発泡率のポリスチレン樹脂の形成型材は、
打設機製造ラインでの蒸気養生中に、型枠内部温度が上
昇するまでは、形成型材としての寸法精度を保ち、コン
クリート中の水和反応に必要な水が空間部内に漏洩する
のを防止（トロ漏れするとコンクリート表面が汚（なり
強度も低下する。）し、温度が上昇（コンクリートが硬
化）してくると、塗布した油性剥離材の石油系溶剤分が
高温下でスチレン樹脂を溶解し、発泡状態の表面部が数
十％収縮し、脱型時に容易に除去できるため省力化（後
述）が計れ、製造原価低減につながる作用がある。また
、特許請求の範囲第２項記載のものは、少量生産に有利
な作用がある。(Function) According to the manufacturing method configured as above, a grating frame is not required, the cost of grating is reduced, and an oil-based release material is applied, which is filled in the space between the surface of the grating and the core. The molding material made of polystyrene resin with a high foaming rate is
During steam curing on the pouring machine production line, the dimensional accuracy of the forming material is maintained until the internal temperature of the form rises, and the water necessary for the hydration reaction in concrete is prevented from leaking into the space. (If it leaks, the concrete surface becomes dirty (and its strength decreases), and as the temperature rises (the concrete hardens), the petroleum solvent in the applied oil-based release material dissolves the styrene resin at high temperatures. , the foamed surface portion shrinks by several tens of percent and can be easily removed during demolding, resulting in labor savings (described later) and a reduction in manufacturing costs.Also, the product described in claim 2 has an advantageous effect on small-scale production.
（実施例）
第１図は１本発明で造るグレーチング直付暗渠ブロック
Ｂの各種形状例の斜視図であり、右端の物は上載荷重が
大で、主筋本数が多く間隔が狭いためグレーチング数が
多い。本発明が提供するグレーチング直付暗渠ブロック
は、最近の交通事情（交通量が多く清掃・保守管理等に
危険が伴う）に対処するため、グレーチングを暗渠製造
時に埋設固着し 水路内の清掃等の管理は、数十ｍ毎に
設置した管理桝で行なうものであり、グレーチングの盗
難・いたずら等による事故も未然に防止できる。(Example) Fig. 1 is a perspective view of various shapes of underdrain blocks B with direct gratings made according to the present invention. many. In order to cope with the recent traffic conditions (high traffic volume, which poses dangers for cleaning, maintenance, etc.), the culvert block with direct grating provided by the present invention has grating buried and fixed at the time of manufacturing the culvert. Management is carried out in control boxes installed every few tens of meters, and accidents caused by theft or tampering with gratings can be prevented.
１！１２図は、構成の一部であるグレーチングＧと、雨
水流入用の空間部Ｓを形成する形成型材３３を示す斜視
図であり、該グレーチングＧには、溶設・結束等により
鉄筋金網Ｍに固着する突出片Ｈを周設し、形成型材３３
は高発泡率のスチレン樹脂で一体成型で造り、通常の製
造時に型枠に用いる油性剥離材を塗布してグレーチング
に装着すれば、該油性剥離材の潤滑作用でグレーチング
への圧入は容易になり、脱型までの蒸気養生の高温下で
収縮する。第３図は、グレーチングＧを溶設または結束
等で、鉄筋金網Ｍに固着した斜視図で、油性剥離材３（
点描部）を全面に塗布した形成型材３３グレーチング内
側から挿入した状態を示し、打設時は天地逆にして型枠
内に設置する。第４図は、グレー千ングＧ、形成型材３
３．鉄筋金網Ｍを装着した打設中の型枠断面図であり、
と面間口部からコンクリドを投入し、グレーチングを直
接埋設（直付）して、暗渠ブロックを製造する。脱型の
時は、中子５０を抜き取り図示しない前後妻板、左右の
（ｌｌｌＩ板４０全４０て脱型する。第５図は収縮した
形成型材３３ を取出し方法の該略を示す斜視図であり
、脱型ラインＬ途上に、グレーチングの隔壁間隔に合わ
せたビンをＭ：＆した治具Ｊを設けて、グレーチングに
挿入し収縮した形成型材３３°を、圧縮空気Ａ等により
無人で製品外へ撤去する。第６図は、特許請求の範囲第
２項記載の一実施例を示す打設中の型枠断面図である。Figure 1!12 is a perspective view showing a grating G, which is a part of the structure, and a forming member 33 that forms a space S for rainwater inflow. A protruding piece H fixed to M is provided around the forming mold material 33.
is made of styrene resin with a high expansion rate, and if it is applied to the grating after being coated with an oil-based release material that is used for molds during normal manufacturing, the oil-based release material's lubricating effect makes it easy to press into the grating. , shrink under high temperature of steam curing until demolding. FIG. 3 is a perspective view of the grating G fixed to the reinforcing wire mesh M by welding or binding, and shows the oil-based release material 3 (
The forming material 33 is shown inserted from the inside of the grating, which has been coated with stippling (stippling) on the entire surface, and is installed upside down in the formwork during pouring. Figure 4 shows gray senging G, forming mold material 3.
3. It is a sectional view of the formwork during pouring with reinforced wire mesh M attached,
Concrete is poured in from the frontage and the grating is directly buried (directly attached) to manufacture the underdrain block. At the time of demolding, the core 50 is extracted and the front and rear end plates (not shown) and the left and right (IllI plates 40) are all removed from the mold. FIG. In the middle of the demolding line L, a jig J with bins M:& that matches the spacing of the partition walls of the grating is installed, and the molded material 33° that has been inserted into the grating and shrunk is unmanned out of the product using compressed air A, etc. Fig. 6 is a cross-sectional view of the formwork during pouring, showing an embodiment as claimed in claim 2.
一体成型で量産する形成型材の利用が不祠な少量生産の
場合に、！！！枠にの底面部上に展着したゴム板又は、
ポリウレタン系の薄板Ｐでグレーチング表面を密閉し、
グレーチング底部を注型（例えばウレタン樹脂等）その
他で成型した形成型材３４で密閉し、空間部Ｓを形成す
る。また前記型枠底面部に展着したゴム板等はグレーチ
ング表面に粘着材等で貼着した樹脂フィルムＰ゛等に置
き換久てもよい。In the case of low-volume production where it is not possible to use molding materials that are mass-produced by integral molding,! ! ! A rubber plate spread over the bottom of the frame, or
The grating surface is sealed with a thin polyurethane plate P.
The bottom of the grating is sealed with a molding material 34 molded by casting (for example, urethane resin, etc.) to form a space S. Further, the rubber plate spread on the bottom of the mold may be replaced with a resin film P or the like stuck on the grating surface with an adhesive or the like.
（発明の効果）
Ｕ字溝等を用いた道路側溝は、危険防止のため予算の許
す限り蓋掛けされているが、蓋のがたつきによる破損が
多く、交通安全上グレーチング付暗渠ブロックの全面布
設が望まれてはいるが、高価なためその普及は遅れてい
る。本発明の製造法によれば、取り扱いの不便な鋼板性
の形成型と異なり、前厄て、鉄筋金網にグレーチングを
固着し、軽量で安価な発泡スチレン樹脂の形成型材を装
着し１通常生産に使用する油性剥離材を塗布するのみで
、以下の効果が生れる。(Effects of the invention) Road ditches using U-shaped ditches, etc. are covered as much as the budget allows to prevent danger. Although it is desired to install such systems, their widespread use is slow due to their high cost. According to the manufacturing method of the present invention, unlike forming molds made of steel plates, which are inconvenient to handle, the grating is fixed to a reinforcing wire mesh, and a lightweight and inexpensive molding material made of expanded styrene resin is attached. Simply applying an oil-based release agent will produce the following effects.
■枠体が不要になり、形成型の管理（掃除と保管）も不
要になる。■A frame is no longer required, and mold management (cleaning and storage) is no longer necessary.
■形成型の脱着手間がなくなり、製造時間の短縮（グレ
ーチングの装着数が多い物はど短縮効果がある）が計れ
、作業の安全性（指先の負傷等が無くなり〕も高くなる
。■It eliminates the time required to remove and remove the forming mold, which shortens manufacturing time (products with a large number of gratings attached have the effect of shortening the time), and increases work safety (eliminating injuries to fingertips, etc.).
■グレーチングが固着しているため、施工現場へのグレ
ーチングの配送・管理に間違いがなくなり、施工に際し
て装着手間も省け、施工期間が短縮でき、工事費が低減
できる。■Since the grating is fixed, there will be no mistakes in the delivery and management of the grating to the construction site, and the labor of installing it during construction can be saved, shortening the construction period and reducing construction costs.
■施工後、盗難、いたづら等、によるグレーチングの脱
落がなくなり、事故が未然に防止でき、蓋のがたつきに
よる騒音も防止でき、維持管理も容易になる。■After construction, the grating will no longer fall off due to theft, tampering, etc., thereby preventing accidents, noise caused by rattling of the lid, and easier maintenance.
■また。特許請求の範囲第２項記載のものは、特殊形状
のグレーチングを使用した少量生産時に、形成型材を量
産せずに上記に近い効果を発揮できる。■Also. The device described in claim 2 can exhibit effects similar to those described above when producing a small amount using a grating of a special shape without mass-producing the forming mold material.
第１図は、各種グレーチング直付暗渠ブロックの斜視図
。第２図は、グレーチング及び形成型材の斜視図。
第３図は、グレーチングを装着した鉄筋金網の斜視図と
、グレーチング部に充填した形成型材の部分斜視図、第
４図は、打設時の型枠断面図、第５図は、形成型材の撤
去方法の概略を示す斜視図。第６図は、特許請求の範囲
第２項記載の、実施例の打設時の型枠断面図、第７ａ図
は従来のグレーチング付暗渠ブロックの斜視図であり、
一部断面を拡大した斜視図で示している。ｂ図は従来の
形成型の斜視図、０図は、従来技術の打設時の型枠断面
図である。
Ｂ・・・グレーチング直付暗渠ブロック、Ｇ・・・グレ
ーチング Ｋ・・・型枠、Ｍ−・鉄筋金網３・・・油性
剥離材 １０・・・型枠の底面部、３３・・・高５！泡
率スチレン樹脂の形成型材３３゛・・収縮した形成型材
。
第１図FIG. 1 is a perspective view of various grating directly attached culvert blocks. FIG. 2 is a perspective view of the grating and the forming material. Fig. 3 is a perspective view of the reinforcing wire mesh with the grating attached, and a partial perspective view of the forming material filled in the grating portion, Fig. 4 is a sectional view of the formwork during pouring, and Fig. 5 is a partial perspective view of the forming material filled in the grating. FIG. 3 is a perspective view schematically showing a removal method. FIG. 6 is a sectional view of the formwork during pouring according to the embodiment described in claim 2, and FIG. 7a is a perspective view of a conventional underdrain block with grating.
It is shown in a perspective view with a partially enlarged cross section. Figure b is a perspective view of a conventional forming mold, and Figure 0 is a cross-sectional view of the mold during pouring according to the prior art. B...Drain block directly attached to grating, G...Grating K...Formwork, M--Reinforced wire mesh 3...Oil-based release material 10...Bottom part of formwork, 33...Height 5 ! Forming molding material of foam rate styrene resin 33゛...Shrinking molding material. Figure 1
Claims (1)
たグレーチングを溶着または係合させて固着し、該グレ
ーチング表面と型枠の中子表面間の空間部を、油性剥離
材を塗布した高発泡率のポリスチレン樹脂で充填して打
設した、グレーチング直付暗渠ブロック製造法。 ２）高発泡率のポリスチレン樹脂がゴムまたは弾性樹脂
であり、該グレーチング表面をゴムまたは弾性樹脂で覆
設した、特許請求の範囲第１項記載のグレーチング直付
暗渠ブロック製造法。[Scope of Claims] 1) A grating with protruding pieces surrounding it is welded or engaged with and fixed to the upper surface side of the underdrain block made of reinforced wire mesh, and the space between the grating surface and the core surface of the formwork is A method for manufacturing underdrain blocks directly attached to gratings filled with high-expansion polystyrene resin coated with an oil-based release agent. 2) The method for producing an underdrain block directly attached to a grating according to claim 1, wherein the polystyrene resin with a high expansion rate is rubber or an elastic resin, and the grating surface is covered with the rubber or elastic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18498690A JP2957650B2 (en) | 1990-07-12 | 1990-07-12 | Grating direct culvert block manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18498690A JP2957650B2 (en) | 1990-07-12 | 1990-07-12 | Grating direct culvert block manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0471806A true JPH0471806A (en) | 1992-03-06 |
| JP2957650B2 JP2957650B2 (en) | 1999-10-06 |
Family
ID=16162799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18498690A Expired - Fee Related JP2957650B2 (en) | 1990-07-12 | 1990-07-12 | Grating direct culvert block manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2957650B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5116000B1 (en) * | 2012-07-09 | 2013-01-09 | 実雄 松浦 | Reinforcing bar cage for snow-fighting blocks laid on the road surface |
| JP2017008532A (en) * | 2015-06-19 | 2017-01-12 | ヤマケイプレコン株式会社 | Concrete structure and manufacturing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101928972B1 (en) * | 2016-11-10 | 2018-12-13 | 주식회사 팔마 | drain concrete pipe |
-
1990
- 1990-07-12 JP JP18498690A patent/JP2957650B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5116000B1 (en) * | 2012-07-09 | 2013-01-09 | 実雄 松浦 | Reinforcing bar cage for snow-fighting blocks laid on the road surface |
| JP2017008532A (en) * | 2015-06-19 | 2017-01-12 | ヤマケイプレコン株式会社 | Concrete structure and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2957650B2 (en) | 1999-10-06 |
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