JPH039000A - Reclamation work for waste pit - Google Patents
Reclamation work for waste pitInfo
- Publication number
- JPH039000A JPH039000A JP1141351A JP14135189A JPH039000A JP H039000 A JPH039000 A JP H039000A JP 1141351 A JP1141351 A JP 1141351A JP 14135189 A JP14135189 A JP 14135189A JP H039000 A JPH039000 A JP H039000A
- Authority
- JP
- Japan
- Prior art keywords
- waste
- concrete
- compressed
- ready
- reclamation
- 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.)
- Pending
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002893 slag Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims abstract description 3
- 239000010805 inorganic waste Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 12
- 239000011343 solid material Substances 0.000 claims description 5
- 239000010802 sludge Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000701 coagulant Substances 0.000 claims description 2
- 239000002920 hazardous waste Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000002723 waste plastics and rubber Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 8
- 239000003818 cinder Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000005060 rubber Substances 0.000 abstract 1
- -1 sludges Substances 0.000 abstract 1
- 238000005065 mining Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 238000010169 landfilling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、石材採掘場などの廃坑を、廃棄物とセメント
を素材として安全に且つ安定強度を得て埋立てるための
工法に関する。[Detailed Description of the Invention] [Objective of the Invention] (Field of Industrial Application) The present invention provides a method for reclaiming abandoned mines such as stone quarries safely and stably using waste and cement as materials. Regarding construction methods.
（従来事情並びに技術）
本出願人の地元、栃木県の宇都宮市の大谷石採掘場にお
いて、本年３月にこれまで最大の採取場跡地（以下「廃
坑」という）陥没事故があり、幸い人災には至らなかっ
たが、今なお拡大再発の危険を孕み、被災者のみならず
周辺住民の移住が続出している。(Prior circumstances and technology) In March of this year, there was the largest cave-in accident at the former mining site (hereinafter referred to as "the abandoned mine") at the Oya Stone Quarry in Utsunomiya City, Tochigi Prefecture, the applicant's hometown. Although the disaster did not reach this level, there is still a risk that it will spread and reoccur, and not only the disaster victims but also surrounding residents are continuing to relocate.
陥没の原因は、認可を無視した乱掘りにあるとされてい
るが、その責任の所在はともかく、当面の措置として、
官民合同で当該陥没穴はもとより危険な周辺廃坑の埋め
立て工法について検討が続けられている。しかし、「安
定五品目に限って産業廃棄物で埋めるべきである」とか
「水を湛えれば強度が出る」とか種々の意見が出され、
その方法、費用負担の問題、さらには陥没地点隣接の採
掘業者と地権者の同意なと複雑な問題が絡み、これとい
う決めてを得られない現状にある。The cause of the cave-in is said to be excessive digging that ignored permission, but regardless of who is responsible, as a temporary measure,
The public and private sectors are jointly considering reclamation methods for not only the sinkhole but also the dangerous surrounding abandoned mines. However, various opinions were expressed, such as ``only five stable items should be buried with industrial waste'' and ``filling with water will make it stronger.''
The current situation is such that it is difficult to reach a definitive conclusion, due to complex issues such as how to do so, the cost burden, and the consent of mining companies and landowners adjacent to the sinkhole.
これまでに廃坑埋立てについて、確立されたセオリーは
無きに等しく、採掘屑や土砂による埋め戻しから、最近
においては無差別な産業廃棄物の投棄なとめいめい無計
画な埋め立てが行われ、安定強度に何の保証もなく、ま
た廃棄物によっては有害物質の溶出、ガス化なと環境汚
染の問題を惹起している現状にある。Until now, there is almost no established theory regarding the reclamation of abandoned mines, and from backfilling with mining scraps and earth to, more recently, indiscriminate dumping of industrial waste, each type of reclamation has been carried out in a haphazard manner. Currently, there are no guarantees regarding the quality of waste, and depending on the waste, hazardous substances may be leached or gasified, causing environmental pollution problems.
（本発明が解決しようとする課題）
本発明者は、長年、廃棄物処理の研究と実地に携わって
来たことによる知見と経験に基づき、上記のような廃坑
埋め立て対策に、廃棄物の種別ごとの適正処理と生コン
クリートとの併用により、安全性と安定強度性を保証し
得る総合的な埋め立て工法を提供しようとするものであ
る。(Problems to be Solved by the Present Invention) Based on the knowledge and experience gained from many years of research and practical experience in waste treatment, the present inventor has developed a method for reclamation of abandoned mines as described above. The aim is to provide a comprehensive reclamation method that guarantees safety and stable strength through proper treatment of each type and use in combination with ready-mixed concrete.
［発明の構成コ
以下、プロセスフローシートを表わす図面の実施例によ
って説明すると、
まず埋込み用素材として、廃棄物と生コンな使用するも
のとし、生処理コンクリートプラントと廃棄物圧縮固型
化プラントを設ける。設置の地理条件としては廃坑付近
となろう。[Structure of the invention] The following will explain the process flow sheet using an example of a drawing. First, waste and ready-mixed concrete will be used as the embedding materials, and a ready-processed concrete plant and a waste compression and solidification plant will be provided. . The geographical conditions for installation would be near an abandoned mine.
生処理コンクリートプラントにおいては、第１図に示す
ように、廃棄物中、無機性で且つ有害な廃棄物の判定基
準（総理府令５号）以下の燃がら、汚泥、鉱さい、ダス
ト類を対象として、それらの一種または数種をセメント
と配合して処理生コンクリートＡを産する。その配合比
は種々考えられるが、
例えば、次の量目比とする。As shown in Figure 1, in ready-processed concrete plants, waste materials such as cinders, sludge, slag, and dust that meet the criteria for inorganic and hazardous waste (Prime Minister's Office Ordinance No. 5) are targeted. , one or more of them are blended with cement to produce treated fresh concrete A. Various blending ratios can be considered, but for example, the following weight ratios may be used.
ａ、汚泥 ３．５
ｂ、燃から ３．５
Ｃ，セメント １゜
ｄ、凝結剤 適量
（ヘトン）
次に廃棄物圧縮固型化プラントにおいては、第２図に示
すように、廃棄物の処理及び清掃に関す一
る法律に定められた安定品目の中、高分子系の廃プラス
チック類、ゴムくず類を対象とし、これを高圧圧縮機に
かけて圧縮、所定の大きさの正立方体の固形圧縮物Ｂに
成形する。その大きさは任意であるが、坑道内を搬送し
且つ配列する作業上の必要から、−辺が１．５ｍ以下の
正立方体が望ましい。a. Sludge 3.5 b. From combustion 3.5 C. Cement 1°d. Appropriate amount of coagulant (Heton) Next, in the waste compression solidification plant, as shown in Figure 2, waste treatment is carried out. Among the stable items stipulated by the law regarding cleanliness and cleaning, polymer waste plastics and rubber scraps are compressed using a high-pressure compressor to produce a solid compressed product in the form of a regular cube of a predetermined size. Form into B. Although the size is arbitrary, a regular cube with a side of 1.5 m or less is desirable because of the necessity of transporting and arranging them in the mine shaft.
なお上記安定品目には、金属くず、ガラスくず及び陶磁
器くずなど圧縮固形化が困難なものが存在するが、これ
らはそのまま廃坑現場に搬入して圧縮廃棄素材Ｃとして
利用するものとする。Note that among the stable items mentioned above, there are items that are difficult to compress and solidify, such as metal scraps, glass scraps, and ceramic scraps, but these will be transported to the abandoned mine site as is and used as compressed waste material C.
さて以上の処理生コンクリートＡ、固形圧縮物Ｂ５圧縮
廃棄素材Ｃを埋め立て素材として、貨物車、ミキサー車
により廃坑現場に持込む。Now, the above-mentioned processed fresh concrete A, solid compacted material B5 and compressed waste material C are brought to the abandoned mine site by freight cars and mixer trucks as landfill materials.
そして、第３図に示すように作業員が入れない危険な地
下空洞においては、ボーリングした穴より前記処理生コ
ンクリートＡを圧送注入して固化することにより埋立て
を行う。Then, as shown in FIG. 3, underground cavities that are dangerous for workers to enter are filled with the treated raw concrete A by being pumped and injected into the bored holes and solidified.
次に作業員の入れる廃坑においては、
（イ）第４図乃至第６図に示すように、前記固一
型圧縮物Ｂを縦横所定間隔に隙間をおいて升目状に並へ
たうえ、その隙間に前記処理生コンクリドＡを流し込み
、さらにその固型圧縮物Ｂが埋もれるまで平らに均らし
て所定厚のコンクリート層を形成し、その上方に順次繰
り返し積み上げて埋め立てる。これによって処理生コン
クリートＡの一部が固形圧縮物Ｂ自体の隙間にも浸透し
て固化されることは言うまでもない。Next, in the abandoned mine where the workers enter, (a) As shown in Figures 4 to 6, the solid compacted material B is arranged in a square shape with gaps at predetermined intervals vertically and horizontally, and The treated raw concrete A is poured into the gap, and the solid compacted material B is leveled until it is buried to form a concrete layer of a predetermined thickness, and the concrete layer is repeatedly stacked on top of the concrete layer for landfill. It goes without saying that as a result, a part of the treated fresh concrete A penetrates into the gaps of the solid compressed material B itself and is solidified.
この場合、第４図、第６図に示すように固型廃棄物の縦
横並べ数を定めてその集合単位な−ブロックとしてその
ブロック相互間に所定隙間をおき、その隙間に前記処理
生コンクリートＡを流し込むことにより補強支柱を形成
する構造とすれば、残柱と協働して安定強度の著しい増
大を図ることができる。In this case, as shown in FIGS. 4 and 6, the number of solid wastes arranged vertically and horizontally is determined, and a predetermined gap is placed between the blocks as a unit of collection, and the treated ready-mixed concrete A is placed in the gap between the blocks. If the structure is such that reinforcing columns are formed by pouring the reinforcing columns, the stable strength can be significantly increased in cooperation with the remaining columns.
（ロ）第７図に示すように、前記現場における圧縮廃棄
素材Ｃを廃坑内に搬送供給してプルｌ” −ザ等により
圧縮詰めし、所定高さの圧縮廃棄物層を形成し、その上
に前記生処理コンクリ−１・Ａを流し込んで所定厚コン
クリート層を形成し、その上方に順次縁り返し積み上げ
て、埋立てを行う。(b) As shown in Fig. 7, the compressed waste material C at the site is transported and supplied into the abandoned mine and compressed by a puller or the like to form a compressed waste layer of a predetermined height. The raw treated concrete 1.A is poured on top to form a concrete layer of a predetermined thickness, and the concrete layer is piled up one after another over the concrete layer to perform landfilling.
［作用並びに効果］
本発明は、以上のようで、埋め立て素材である廃棄物を
種類別に適正処理（即ち生コンクリート化、圧縮固型化
、或いはそのまま現場における圧縮資材に）して、これ
らを廃坑の状況に対応させて、高圧圧送ポンプ、昇降用
駆動装置を利用して、廃坑内に搬送、流し込み、固化さ
せて埋め立てるものであるから、
第一に、作業が極めて効率的に運べる。[Operations and Effects] As described above, the present invention properly processes waste materials for landfill by type (i.e., converts them into ready-mixed concrete, compacts them, or directly uses them as compressed materials on site), and converts them into abandoned mines. First, the work can be carried out extremely efficiently, as it uses a high-pressure pump and a lifting drive to transport, pour, solidify, and bury the waste into an abandoned mine.
第二に、作業の安全性が高い。Second, work safety is high.
第三に、燃がら、汚泥、鉱さい、ダスト類の生処理コン
クリート化とその同化により、二次公害即ち水溶性物質
を無害化不溶性物質に変えて汚染を防止する（溶出試験
結果、計量証明書参照）とともに安定強度化を図れる。Third, by converting cinders, sludge, slag, and dust into ready-processed concrete and assimilating it, we convert secondary pollution, that is, water-soluble substances, into harmless insoluble substances and prevent pollution (elution test results, measurement certificates). (see) to achieve stable strength.
第四に、高分子系廃棄物の圧縮固型化により、元来踏み
固め等では安定支持のための強度の出ない素材が凝縮し
て密度を増し、さらにその隙間への生処理コンクリート
Ａの浸透、同化によりそれ自体の強度を著しく増大させ
る。Fourthly, due to the compression and solidification of polymeric waste, materials that are not strong enough to provide stable support when trampled, etc. condense and increase density, and furthermore, raw concrete A is poured into the gaps. Significantly increases its own strength through penetration and assimilation.
第五に、加えてこの圧縮固型物Ｂの配列の隙間に生処理
コンクリ−１−Ａを流し込み、固化させ、さらに幾層に
も積み上げるから強力で且つ均一的な安定性を確保する
ことができ、地震等の災害にも充分そなえることができ
る。Fifth, in addition, raw treated concrete 1-A is poured into the gaps between the arrays of compressed solid materials B, solidified, and then stacked in many layers to ensure strong and uniform stability. This allows us to fully prepare for disasters such as earthquakes.
第六に、金属くず、カラスくず及び陶磁器くずなどは、
そのまま廃坑現場における圧縮廃棄素材Ｃとして利用し
、その上に前記処理生コンクリートＡを流し込んで所定
厚コンクリート層を形成し、その上方に順次繰り返し積
み上げて、埋立てを行うから、第五と同様強力で且つ均
一的な安定性を確保することができ、地震等の災害にも
充分そなえることができる。Sixth, metal scraps, crow scraps, ceramic scraps, etc.
It is used as it is as compressed waste material C at the site of an abandoned mine, and the treated ready-mixed concrete A is poured on top of it to form a concrete layer of a predetermined thickness, which is then repeatedly stacked on top of the concrete layer for landfilling, so it is as strong as the fifth material. Moreover, uniform stability can be ensured, and it can be sufficiently prepared against disasters such as earthquakes.
本発明は以上のようで、陥没部分とその周辺廃坑はもと
より一般廃坑に実施することにより陥没９−
事故を未然に防ぐことができる。As described above, the present invention can prevent cave-in accidents by implementing it not only in cave-ins and surrounding abandoned mines, but also in general abandoned mines.
なお、前記のような近代的プラントの建設は、採掘場の
現実的な安全の確保はもとより、作業員、周辺住民に謂
わば安全のシンボル搭として精神的The construction of a modern plant as described above not only ensures the practical safety of the mining site, but also serves as a psychological symbol of safety for workers and surrounding residents.
図面は本発明の実施例を示し、
第１図は、生処理コンクリートプラントのプロセスフロ
ーシート、
第２図は、廃棄物圧縮固型プラントのプロセスフローシ
ート、
第３図は、作業員の入れない廃坑における作業状態を示
す縦断側面図、
第４図は、作業員の入れる廃坑における作業状態を示す
縦断側面図、
第５図は、廃坑に圧縮固型物Ｂを゛配列して、その隙間
に生処理コンクリートを流し込んでいる状態の斜視図、
第６図は、第４図Ｘ−Ｘ線横断平面図、−１〇−
第７図は、
作業員の入れる廃坑における別の作
業状態を示す縦断側面図。
処理生コンクリ−１・、
一一固形圧
線動、
一圧縮廃棄素材The drawings show an embodiment of the present invention, Fig. 1 is a process flow sheet for a ready-processed concrete plant, Fig. 2 is a process flow sheet for a waste compaction solidification plant, and Fig. 3 is a process flow sheet for a waste compaction plant that does not allow workers to enter. Fig. 4 is a longitudinal side view showing the working conditions in the abandoned mine; Figure 4 is a longitudinal side view showing the working condition in the abandoned mine; Fig. 5 is a vertical side view showing the working condition in the abandoned mine; Figure 6 is a perspective view of the state in which ready-treated concrete is being poured, Figure 6 is a cross-sectional plan view taken along the line X-X in Figure 4, and -10- Figure 7 is a vertical cross-section showing another working state in the abandoned mine where workers are entering. Side view. Processed raw concrete 1., 1. Solid pressure linear motion, 1. Compressed waste material.
Claims (1)
つ有害な廃棄物の判定基準（総理府令５号）以下の燃が
ら、汚泥、鉱さい、ダスト類は、それらの一種または数
種をセメントと配合して処理生コンクリートＡを産し、 廃棄物の処理及び清掃に関する法律に定められた安定品
目の中、高分子系の廃プラスチック類、ゴムくず類はこ
れを高圧下で圧縮して所定の大きさの立方体の圧縮固型
物Ｂに成形し、また金属くず、ガラスくず及び陶磁器く
ずなど圧縮固型化が困難なものは、そのまま廃坑現場に
おける圧縮廃棄素材Ｃとして利用するものとし、 作業員が入れない危険な地下空洞においては、ボーリン
グした穴より前記処理生コンクリートＡを圧送注入して
固化することにより埋立てを行い、作業員の入れる廃坑
においては、 （イ）前記圧縮固型物Ｂを縦横所定間隔に隙間をおいて
升目状に並べたうえ、その隙間に前記処理生コンクリー
トＡを流し込み、さらにその圧縮固型物Ｂが埋もれるま
で平らに均らして所定厚のコンクリート層を形成し、そ
の上方に順次繰り返し積み上げ、 （ロ）あるいは前記現場における圧縮廃棄素材Ｃを廃坑
内に搬送供給して圧縮詰めし、所定高さの圧縮廃棄物層
を形成し、その上に前記処理生コンクリートＡを流し込
んで所定厚コンクリート層を形成し、その上方に順次繰
り返し積み上げて、埋立てを行う、 ことを特徴とする廃坑埋立て工法。 ２）処理生コンクリートＡにセメント凝結剤を混加した
特許請求の範囲第１項記載の廃坑埋立て工法。 ３）圧縮固型物Ｂの縦横並べ数を定めてその集合単位を
一ブロックとしてそのブロック相互間に所定隙間をおき
、その隙間に前記処理生コンクリートＡを流し込むこと
により補強支柱を構成した特許請求の範囲第１項記載の
廃坑埋立て工法。[Scope of Claims] 1) Waste and ready-mixed concrete are used as materials, and the waste includes incineration, sludge, slag, and dust that meet the criteria for inorganic and hazardous waste (Prime Minister's Office Ordinance No. 5). One or more of these are mixed with cement to produce treated ready-mixed concrete A. Among the stable items stipulated in the Waste Disposal and Public Cleansing Act, polymer waste plastics and rubber scraps are is compressed under high pressure to form a compressed solid material B into a cube of a predetermined size, and materials that are difficult to compress and solidify, such as metal scraps, glass scraps, and ceramic scraps, are compressed as waste materials at the abandoned mine site. In dangerous underground cavities where workers cannot enter, the treated ready-mixed concrete A is pumped and injected into the bored hole and solidified to fill it up, and in abandoned mines where workers can enter, (b) The compressed solid material B is arranged in a square shape with gaps at predetermined intervals vertically and horizontally, and the treated ready-mixed concrete A is poured into the gaps, and then leveled until the compressed solid material B is buried. (b) Alternatively, the compressed waste material C at the site is transported and supplied into the abandoned mine and compacted to form a compressed waste layer of a predetermined height. An abandoned mine reclamation method, characterized in that the treated ready-mixed concrete A is poured thereon to form a concrete layer of a predetermined thickness, and the concrete layer is sequentially and repeatedly stacked above the concrete layer to perform the reclamation. 2) The abandoned mine reclamation method according to claim 1, in which a cement coagulant is mixed into the treated fresh concrete A. 3) A patent claim in which the number of compressed solid materials B arranged vertically and horizontally is determined, the aggregate unit is one block, a predetermined gap is provided between the blocks, and a reinforcing column is constructed by pouring the treated ready-mixed concrete A into the gap. Abandoned mine reclamation method described in item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1141351A JPH039000A (en) | 1989-06-02 | 1989-06-02 | Reclamation work for waste pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1141351A JPH039000A (en) | 1989-06-02 | 1989-06-02 | Reclamation work for waste pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH039000A true JPH039000A (en) | 1991-01-16 |
Family
ID=15289952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1141351A Pending JPH039000A (en) | 1989-06-02 | 1989-06-02 | Reclamation work for waste pit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH039000A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05245461A (en) * | 1992-03-04 | 1993-09-24 | Kouki Miyazawa | Final disposal of industrial waste |
| JP2007070850A (en) * | 2005-09-06 | 2007-03-22 | Eiichi Suzuki | Method of quarrying from underground cavity formed by past mining in which pillars are left as supports |
| JP2008173570A (en) * | 2007-01-19 | 2008-07-31 | Towani:Kk | Method for treating particle waste |
| FR3010061A1 (en) * | 2013-09-05 | 2015-03-06 | Fondaconcept | "MODULAR ELEMENT FOR THE CASTING OF A GAS STORAGE CONCRETE STRUCTURE" |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5132401A (en) * | 1974-09-13 | 1976-03-19 | Kazuyoshi Ashida | Zuidoto no umemodoshikoho |
| JPS5531280A (en) * | 1978-08-29 | 1980-03-05 | Toshiba Corp | Liquid fuel combustion device |
| JPS59210200A (en) * | 1984-05-01 | 1984-11-28 | 株式会社竹中工務店 | Method of construction of shielding wall of large-sized underground cavity |
-
1989
- 1989-06-02 JP JP1141351A patent/JPH039000A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5132401A (en) * | 1974-09-13 | 1976-03-19 | Kazuyoshi Ashida | Zuidoto no umemodoshikoho |
| JPS5531280A (en) * | 1978-08-29 | 1980-03-05 | Toshiba Corp | Liquid fuel combustion device |
| JPS59210200A (en) * | 1984-05-01 | 1984-11-28 | 株式会社竹中工務店 | Method of construction of shielding wall of large-sized underground cavity |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05245461A (en) * | 1992-03-04 | 1993-09-24 | Kouki Miyazawa | Final disposal of industrial waste |
| JP2007070850A (en) * | 2005-09-06 | 2007-03-22 | Eiichi Suzuki | Method of quarrying from underground cavity formed by past mining in which pillars are left as supports |
| JP2008173570A (en) * | 2007-01-19 | 2008-07-31 | Towani:Kk | Method for treating particle waste |
| FR3010061A1 (en) * | 2013-09-05 | 2015-03-06 | Fondaconcept | "MODULAR ELEMENT FOR THE CASTING OF A GAS STORAGE CONCRETE STRUCTURE" |
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