JPH1151830A - Method and instrument for embedding resin of water-containing soil sample - Google Patents

Method and instrument for embedding resin of water-containing soil sample

Info

Publication number
JPH1151830A
JPH1151830A JP9207658A JP20765897A JPH1151830A JP H1151830 A JPH1151830 A JP H1151830A JP 9207658 A JP9207658 A JP 9207658A JP 20765897 A JP20765897 A JP 20765897A JP H1151830 A JPH1151830 A JP H1151830A
Authority
JP
Japan
Prior art keywords
acetone
soil sample
liquid
resin
curable resin
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
Application number
JP9207658A
Other languages
Japanese (ja)
Other versions
JP2978847B2 (en
Inventor
Toshio Inokuchi
敏雄 井ノ口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HARD TEITSUSHIYU KK
Original Assignee
HARD TEITSUSHIYU KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HARD TEITSUSHIYU KK filed Critical HARD TEITSUSHIYU KK
Priority to JP9207658A priority Critical patent/JP2978847B2/en
Publication of JPH1151830A publication Critical patent/JPH1151830A/en
Application granted granted Critical
Publication of JP2978847B2 publication Critical patent/JP2978847B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To analyze a spot such as a seabed, etc., by forming and utilizing a sample without disturbing particles of water-containing earth and sand which has been difficult to form conventionally. SOLUTION: A water-containing soil sample A cut by a cylindrical instrument 2 is kept in a substitution vessel 1. An alcohol group B is injected and drawn out to the substitution vessel 1, whereby the moisture in the water-containing soil sample A is substituted with the alcohol group B. The alcohol group B is drawn out of the substitution vessel 1 and acetone is injected, whereby the alcohol group B is substituted with acetone. Further, the acetone is taken out from the substitution vessel 1. Acetone and a curing type resin liquid are injected or a mixed liquid mainly consisting of acetone and the curing type resin liquid is injected. The curing type resin liquid or mixed liquid is additionally injected in accordance with a reduction amount thereof due to the evaporation of acetone. When the whole soil sample or at least a part of the soil sample dips in the liquid and the liquid does not come to reduce, the curing type resin is polymerized and cured, whereby a resin-embedded soil sample A is formed.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、水を含んだ土砂
などの試料の粒子の配列を乱さずに樹脂包埋する技術お
よびそれに使用する器具に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for embedding a resin in a sample without disturbing the arrangement of particles of a sample such as earth and sand containing water, and an instrument used therefor.

【0002】[0002]

【従来の技術】水を含んだ土砂などの試料は、水が樹脂
となじまないため、乾燥したのち、樹脂含浸を行ってい
た。しかし、乾燥することによって粒子の配列が乱れる
ため、含水土質試料の満足できる顕微鏡用試料を簡単に
制作することはできなかった。
2. Description of the Related Art Samples such as earth and sand containing water have been dried and then impregnated with resin because water does not mix with resin. However, since the particle arrangement is disturbed by drying, a satisfactory microscopic sample of the hydrous soil sample cannot be easily produced.

【0003】[0003]

【発明が解決しようとする課題】水を含んだ土砂を粒子
の配列を乱さずに樹脂包埋することによって、光学顕微
鏡および電子顕微鏡などの標本が作製できる。したがっ
て、 (イ)川、湖あるいは海底からボーリングして採取した
含水土質試料の不整合面の粒子の配列などが現場にある
状態で観察できる。 (ロ)川、湖あるいは海底に堆積した堆積物の顕微鏡用
標本を作ることによって過去の地球環境の解明に役立
つ、 (ハ)含水土砂の粒子を乱さずに標本を作ることによっ
て地層の透水方向の解明など、地学、農学、考古学、土
木工学に有効な標本が作成できる。 本発明は、従来作製が困難であった含水土砂の粒子を乱
さずに標本を作ることによって、海底などの現場の解明
に役立たんとするものである。
By embedding sediment containing water in a resin without disturbing the arrangement of particles, samples such as an optical microscope and an electron microscope can be prepared. Therefore, (a) the arrangement of particles on the inconsistent surface of the hydrous soil sample collected by drilling from a river, lake, or seabed can be observed in the field. (B) Useful for elucidating the past global environment by making microscopic specimens of sediments deposited on rivers, lakes, or the sea floor. You can create specimens that are useful for geology, agriculture, archeology, and civil engineering. The present invention is useful for elucidating a site such as the sea floor by preparing a sample without disturbing particles of hydrous sediment, which has been conventionally difficult to prepare.

【0004】[0004]

【課題を解決するための手段】以下に、上記の課題を解
決するための手段を、図を参照して説明する。図1は、
この発明にかかる含水土質試料の樹脂包埋方法の実施作
業用器具の分離斜視図、図2は、同器具を用いて行う同
樹脂包埋方法の実施過程を示す断面図である。この発明
にかかる含水土質試料の樹脂包埋方法は、含水土質試料
A中の水分をアルコール類Bで置換する工程と、該置換
されたアルコール類をアセトンで置換する工程とを順次
行い、該土質試料にアセトンと硬化性樹脂液の混合液、
又はアセトンと硬化性樹脂液を主成分とする混合液を注
入若しくは浸漬し、アセトンの気化による液の減量に応
じて前記硬化性樹脂液又は混合液を追加注入し、該液の
減量がなくなり土質試料の全部又は一部が硬化性樹脂液
に浸漬された状態で、硬化性樹脂を重合硬化させること
により樹脂包埋土質試料を作成させることを特徴として
いる。
The means for solving the above-mentioned problems will be described below with reference to the drawings. FIG.
FIG. 2 is an exploded perspective view of a tool for carrying out the method for embedding a resinous material in a water-containing soil sample according to the present invention, and FIG. The resin embedding method of the hydrous soil sample according to the present invention includes the steps of sequentially replacing a water in the hydrous soil sample A with alcohols B and replacing the substituted alcohols with acetone. A mixture of acetone and curable resin liquid on the sample,
Alternatively, a mixed liquid mainly composed of acetone and a curable resin liquid is injected or immersed, and the curable resin liquid or the mixed liquid is additionally injected according to a decrease in the liquid due to the vaporization of acetone. The method is characterized in that a resin-embedded soil sample is prepared by polymerizing and curing a curable resin in a state where all or a part of the sample is immersed in a curable resin liquid.

【0005】さらに、この発明では、切り出した含水土
質試料を置換容器1に収容し、該置換容器1にアルコー
ル類を注入させ抜き取る操作を行わせることにより含水
土質試料A中の水分をアルコール類Bで置換し、該置換
容器1からアルコール類を抜き取りアセトンを注入する
操作を行わせることによりアルコール類をアセトンで置
換し、該置換容器1からアセトンを抜き取り、アセトン
と硬化性樹脂液若しくはアセトンと硬化性樹脂液を主成
分とする混合液を注入し、アセトンの気化による該液の
減量に応じて前記硬化性樹脂液又は混合液を追加注入
し、液中に前記土質試料Aの全部又は少なくとも一部が
浸漬した状態で該液の減量がなくなった状態で、硬化性
樹脂を重合硬化させることにより樹脂包埋土質試料を作
成させることを特徴としている。
Further, according to the present invention, the cut-out hydrous soil sample is stored in the replacement container 1 and the operation of injecting and extracting alcohols into the replacement container 1 is performed to remove the water in the hydrous soil sample A with the alcohol B. The alcohol is replaced with acetone by performing an operation of extracting alcohol from the replacement container 1 and injecting acetone, and extracting acetone from the replacement container 1 and curing with acetone and a curable resin liquid or acetone. A liquid mixture containing a curable resin liquid as a main component is injected, and the curable resin liquid or the liquid mixture is additionally injected in accordance with a decrease in the liquid due to vaporization of acetone, and all or at least one of the soil sample A is injected into the liquid. The method is characterized in that a resin-embedded soil sample is prepared by polymerizing and curing a curable resin in a state in which the loss of the liquid has been eliminated with the part immersed. It is.

【0006】前記混合液は、アセトンと硬化性樹脂とし
てのポリエステル樹脂液とを主成分とし少なくとも重合
促進剤、例えば、過酸化ベンゾイールを混合した液であ
ることが望ましい。
The mixed liquid is preferably a liquid containing acetone and a polyester resin liquid as a curable resin as main components and mixed with at least a polymerization accelerator, for example, benzoyl peroxide.

【0007】前記含水土質試料中の水分をアルコール類
で置換する作業工程は、最初は含水土質試料を低濃度の
アルコール類(例えば50%のエタノール)で浸漬し、
放置後該アルコール類を捨て、新しい、より高濃度のア
ルコール類(例えば60%のエタノール)で置換し、同
様にして、さらに高濃度のアルコール類、例えば10%
づつ濃度を増したアルコール類(エタノール)で置換
し、同様の作業を置換アルコール類(エタノール)の濃
度が100%になるまで行わせる。このように順次アル
コール類の濃度を濃くすることにより土の粒子の配列を
乱さずに、含水土質試料中の水分をアルコール類で置換
して脱水させる。
[0007] In the operation step of replacing the water in the hydrous soil sample with alcohols, first, the hydrous soil sample is immersed in a low-concentration alcohol (for example, 50% ethanol),
After standing, the alcohols are discarded and replaced with fresh, higher concentration alcohols (eg, 60% ethanol), and similarly, higher concentration alcohols, eg, 10%
Each time, the concentration of the alcohol (ethanol) is increased, and the same operation is performed until the concentration of the substituted alcohol (ethanol) becomes 100%. By sequentially increasing the concentration of alcohols in this manner, the water in the hydrous soil sample is replaced with alcohols and dehydrated without disturbing the arrangement of the soil particles.

【0008】前記、次の、土質試料中のアルコール類
(エタノール)をアセトンで置換する作業工程は、置換
を完全にするため数度繰り返して置換作業を行わせる。
[0008] The following operation step of replacing the alcohols (ethanol) in the soil sample with acetone is repeated several times in order to complete the replacement.

【0009】前記、次の、アセトンを樹脂で置換する作
業工程は、中間工程としてアセトンと樹脂液との混合液
を用い、アセトンの気化を利用して長時間をかけて行わ
せる。混合液としては、ポリエステル樹脂(硬化性樹
脂)液に、少量(5%程度)の過酸化ベンゾイール(硬
化促進剤)を加えて攪拌したものに、3倍程度のアセト
ンを加えて良く攪拌したものを用意する。混合液は、ポ
リエステル樹脂液よりもアセトンを多くし(例えば、ポ
リエステル樹脂液30%、アセトン70%)た方が好ま
しい。前記の作業工程においてエタノールと置換したア
セトンを捨て、前記の混合液を置換容器中の土質資料の
厚さより多く(例えば倍量)加えて、直射日光が当たら
ず風通しに良い場所に置く。アセトンが気化して、混合
液が土質資料と同じ高さまで減ったら、さらに混合液を
土質資料の厚さより多く(例えば倍量)加えて、直射日
光が当たらず風通しに良い場所に置く。アセトンが気化
して液が減ったら新しく同様の混合液をつぎ足す。同じ
作業を繰り返し、樹脂の濃度がアセトンで割る前の濃度
になるまで該作業を行う。このように、アセトンの気化
を利用することによって、粒子の配列を乱さずに土質資
料の樹脂を含漬させることができる。土質資料の大きさ
によって、10日から1か月位放置したのち、恒温器
(例えば60度C)で一晩加熱して重合硬化させる。重
合硬化された樹脂包埋土質試料を薄片に切断研磨し、最
終的には数十μm程度の観察試験用薄片に仕上げる。
[0009] The following operation step of replacing acetone with resin is performed over a long period of time by using a mixture of acetone and resin liquid as an intermediate step and utilizing the vaporization of acetone. A mixed solution obtained by adding a small amount (about 5%) of benzoyl peroxide (curing accelerator) to a polyester resin (curable resin) liquid and stirring the mixture, adding about 3 times acetone and stirring the mixture well. Prepare It is preferable that the mixed liquid contain more acetone than the polyester resin liquid (for example, 30% of the polyester resin liquid and 70% of acetone). Acetone replaced with ethanol in the above-mentioned working process is discarded, and the mixed solution is added in a thickness (for example, twice as much) as the thickness of the soil material in the replacement container, and placed in a place that is not exposed to direct sunlight and is well ventilated. When the acetone has vaporized and the mixed solution has been reduced to the same height as the soil material, the mixed solution is further added (for example, twice as much) as the thickness of the soil material, and placed in a place that is not exposed to direct sunlight and is well ventilated. When acetone evaporates and the liquid decreases, a new similar liquid mixture is added. The same operation is repeated until the concentration of the resin reaches the concentration before dividing by acetone. As described above, by utilizing the vaporization of acetone, the resin of the soil material can be impregnated without disturbing the arrangement of the particles. Depending on the size of the soil material, it is left standing for about 10 months to 1 month, and then heated overnight in a thermostat (for example, 60 ° C.) to polymerize and cure. The polymer-hardened resin-embedded soil sample is cut and polished into thin pieces, and finally finished into observation test pieces of about several tens of μm.

【0010】上述した、この発明にかかる含水土質試料
の樹脂包埋方法に使用する含水土質試料の樹脂包埋作業
用器具は、含水土質試料を抜き取る筒状用具2と、内底
部に凹凸部を有し、多孔質の板体3を介して前記凹凸部
上に前記抜き取った含水土質試料の底部を前記筒状用具
2と一体に載置収容させる置換容器1と、を具備してい
る。この器具の具体的用法については、後述する。
[0010] The above-mentioned resin embedding operation tool for a hydrous soil sample used in the resin embedding method for a hydrous soil sample according to the present invention includes a cylindrical tool 2 for extracting the hydrous soil sample, and an uneven portion on the inner bottom. A replacement container 1 for holding the bottom of the extracted hydrous soil sample integrally with the cylindrical tool 2 on the uneven portion via a porous plate 3. The specific usage of this device will be described later.

【0011】[0011]

【発明の実施の形態】この発明にかかる方法の実施に使
用する含水土質試料の樹脂包埋作業用器具の実施の形態
を、図を参照して説明する。この器具は、含水土質試料
を抜きとるアセトンに溶けない筒状用具2と、抜きとっ
た土質試料Aの底部を切り離すための薄板4と、試料の
方位を記録するためのプラスチックの棒5と、筒状用具
2を乗せるアセトンに溶けない多孔板体3と、抜き取っ
た土質資料を保持した筒状用具2を収容し、土質試料中
の水分を最終的には樹脂に置き換えるための置換容器1
とにより構成される。置換容器1は、バン状容器であ
り、内底面に凹凸部を有し、複数本平行に形成された突
条よりなる凸部6上に土質資料Aを保持した筒状用具2
を載置させる。置換容器1の底部には水位を調節する為
の排水孔が形成され、排水孔は開閉把手7aを有する排
水ノズル7を介して開閉自在とされる。多孔板体3は、
プラスチック又は金属の網状板体3−1にろ紙や不織布
等の多孔シート3−2を置いた形状である。筒状用具2
及び置換容器1は、土質資料Aが樹脂硬化した後、試験
片を得るために切断される。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a tool for embedding a resin in a hydrous soil sample used for carrying out the method according to the present invention will be described with reference to the drawings. This device includes a cylindrical tool 2 that is insoluble in acetone for extracting a hydrous soil sample, a thin plate 4 for cutting off the bottom of the extracted soil sample A, and a plastic rod 5 for recording the orientation of the sample. A perforated plate body 3 insoluble in acetone on which a cylindrical tool 2 is placed, and a cylindrical container 2 holding the extracted soil material, and a replacement container 1 for finally replacing the moisture in the soil sample with resin.
It is composed of The replacement container 1 is a van-shaped container, has a concave and convex portion on the inner bottom surface, and has a cylindrical tool 2 holding a soil material A on a convex portion 6 formed of a plurality of parallel ridges.
Is placed. A drain hole for adjusting the water level is formed at the bottom of the replacement container 1, and the drain hole can be opened and closed via a drain nozzle 7 having an open / close handle 7a. The perforated plate 3
The shape is such that a porous sheet 3-2 such as filter paper or nonwoven fabric is placed on a plastic or metal mesh plate 3-1. Cylindrical tool 2
After the soil material A is cured with the resin, the replacement container 1 is cut to obtain a test piece.

【0012】上記の器具を用いて含水土質資料の樹脂包
埋方法を実施させて、土質資料の試験片を得るための手
順を説明する。
A procedure for obtaining a test piece of the soil material by performing the method of embedding the resin material in the water-containing soil material using the above-described instrument will be described.

【0013】図2に示すように、水を含んだ土質試料A
を筒状用具2で抜きとり、薄板4で筒状用具2内の土質
資料Aの底部を切り離し、薄板4は筒状用具2の底部に
つけたまま、筒状用具2内の土質資料の周囲の東の位置
にプラスチック棒5を1本、南の位置に2本差込み、ろ
紙を敷いた多孔板体3の上に土質試料Aが乱れないよう
に筒状用具2に入ったまま移し、薄板4を抜き取る。こ
の、筒状用具2内に保持されたままの状態で多孔板体3
上に載置された含水土質資料Aを、置換容器1の凸部6
上に載置させ収容させる。
As shown in FIG. 2, a soil sample A containing water
Is extracted with the cylindrical tool 2, the bottom of the soil material A in the cylindrical tool 2 is cut off with the thin plate 4, and the thin plate 4 is attached to the bottom of the soil material in the cylindrical tool 2 while being attached to the bottom of the cylindrical tool 2. One plastic rod 5 is inserted in the east position and two plastic rods are inserted in the south position, and the soil sample A is transferred onto the perforated plate 3 covered with filter paper so as not to disturb the soil sample A, and is transferred to the thin plate 4. Extract. The perforated plate 3 is held in the tubular
The hydrated soil material A placed on the top is transferred to the convex portion 6 of the replacement container 1.
Place on top and house.

【0014】置換容器1内に低濃度のアルコール類B
(エタノール)を土質試料Aの高さより少し(低い高さ
迄)入れ、同液を土質試料の入っている筒状用具2内に
土質試料の高さより多く注ぐ。置換容器1内のエタノー
ルの水位と筒状用具2内のエタノールの水位が等しくな
ったら、置換容器1内のエタノールを抜きとり、濃度を
高くしたエタノールを前回と同様に置換容器1と筒状用
具2内に入れる。最後に100%エタノールを同様に置
換容器1と筒状用具2内に入れ、同作業を数回くり返
し、土質試料の水分を完全にエタノールに置換する。
In the replacement container 1, a low concentration of alcohol B
(Ethanol) is put a little (to a lower height) than the height of the soil sample A, and the liquid is poured into the cylindrical tool 2 containing the soil sample more than the height of the soil sample. When the level of ethanol in the replacement container 1 and the level of ethanol in the cylindrical device 2 become equal, the ethanol in the replacement container 1 is extracted, and the ethanol having a higher concentration is replaced with the replacement container 1 and the cylindrical device in the same manner as before. Put in 2. Finally, 100% ethanol is similarly placed in the replacement container 1 and the cylindrical tool 2, and the same operation is repeated several times to completely replace the water content of the soil sample with ethanol.

【0015】次に、エタノールを抜きとり、100%ア
セトンを入れる。エタノールがアセトンと完全に置換す
るまで作業をくり返す。
Next, ethanol is extracted and 100% acetone is added. Repeat until ethanol completely replaces acetone.

【0016】過酸化ベンゾイールペーストを約3〜5%
加えたポリエステル樹脂約30%、アセトン約70%の
混合液を作る。置換容器1内のアセトンを抜きとった筒
状用具2に、混合液を少量づつ注ぎ、土質試料Aに吸収
されてなくなったら更に注ぎ、混合液が筒状用具2の底
部から流れ出すまで続ける。混合液を筒状用具2に多め
に入れ、直射日光が当たらず風通しの良い場所に放置す
る。アセトンが気化して混合液が減量したら土質試料が
空気に触れる前に同混合液を注ぎたす。混合液の減量が
無くなったら、数日から1ケ月程度(土質試料の大きさ
などによって放置期間が異なる)放置したのち、土質試
料と樹脂の入った置換容器1を恒温器に入れ、一定の加
熱温度、例えば60度Cで重合硬化させる。以上の作業
により含水土砂の粒子を乱さずに脱水および樹脂含浸が
できる。
[0016] About 3-5% of benzoyl peroxide paste
A mixed solution of about 30% of the added polyester resin and about 70% of acetone is prepared. The mixed solution is poured little by little into the cylindrical tool 2 from which the acetone in the replacement container 1 has been removed. If the mixture is no longer absorbed by the soil sample A, the mixture is further poured until the mixed solution flows out from the bottom of the cylindrical tool 2. A large amount of the mixed solution is put in the cylindrical tool 2 and left in a well-ventilated place that is not exposed to direct sunlight. When the acetone has evaporated and the mixture has lost weight, the mixture is poured before the soil sample comes into contact with air. When the weight loss of the mixture has been eliminated, the mixture is left for several days to about one month (the storage period varies depending on the size of the soil sample, etc.). Polymerization and curing at a temperature, for example, 60 ° C. By the above operation, dehydration and resin impregnation can be performed without disturbing the particles of the hydrated earth and sand.

【0017】重合硬化された樹脂包埋土質試料を薄片に
切断研磨し、必要があれば、再包埋と研磨を繰り返し
て、最終的には数十μm程度の観察試験用薄片に仕上げ
る。再包埋するためには、ポリエステル樹脂に約5%過
酸化ベンゾイールを加えた液に研磨片を浸し、アルミホ
イールでくるんだ後、2枚のガラス板にはさみ、ダブル
クリップで固定し、一定の加熱温度、例えば70度Cの
恒温器で約1時間加熱する。再包埋は、樹脂の浸透が悪
い部分を補強するもので、研磨と再包埋を繰り返しなが
ら薄片を約100μm程度まで研磨する。
The polymer-hardened resin-embedded soil sample is cut and polished into slices, and if necessary, re-embedded and polished repeatedly to finally obtain slices of about several tens of μm for observation test. To reembed, immerse the polished piece in a solution of about 5% benzoyl peroxide in polyester resin, wrap it with an aluminum wheel, insert it between two glass plates, fix it with double clips, Heat at a heating temperature of, for example, 70 ° C. for about 1 hour. Re-embedding is to reinforce a portion where resin penetration is poor, and the thin section is polished to about 100 μm while repeating polishing and re-embedding.

【0018】このようにして得た約100μmの樹脂包
埋土質試料の薄片を20×30mm程度にトリミングし
て更に30〜50μmの薄片に研磨した後、100〜2
00倍に拡大できるフイルムで軟X線写真(CMR)を
撮影した。顕微鏡で観察すると、地層中の火山灰の鉱物
種の配列などが鮮明に観察できた。
The thus obtained thin section of the resin-embedded soil sample of about 100 μm is trimmed to about 20 × 30 mm and polished to a thin section of 30 to 50 μm.
Soft X-ray photographs (CMR) were taken on a film that could be magnified 00 times. Microscopic observation clearly showed the arrangement of the mineral species of volcanic ash in the stratum.

【0019】[0019]

【発明の効果】この発明によれば、自然の地層から切り
出した含水土質資料中の水分をアルコール類で置換し、
該置換されたアルコール類を、一旦アルコール類並びに
硬化樹脂(ポリエステル樹脂)の双方と親和性の良いア
セトンで置換し、アセトンの気化性を利用した静的な作
業で硬化樹脂に置換して土質資料の樹脂包埋を行わせる
ようにしている。従って、粒子の配列に乱れのない含水
土質資料の満足できる顕微鏡用資料を得ることができ
る。このように、土質試料を乱さずに脱水・樹脂含浸
し、置換容器を用いて一体で樹脂包埋することによっ
て、樹脂で手をよごさずに樹脂包埋できる。重合硬化し
たブロックはダイヤモンドカッターで目的の方位に切断
する。従来不可能と考えられていた含水土砂試料を乱さ
ずに樹脂包埋することによって、地学、考古学、土木工
学などの分野に学問技術の向上に役立つものである。
According to the present invention, the water in the hydrous soil material cut from the natural stratum is replaced with alcohols,
The substituted alcohols are temporarily replaced with acetone having a good affinity for both the alcohols and the cured resin (polyester resin), and then replaced with the cured resin by a static operation utilizing the vaporization of acetone to obtain soil material. Resin embedding. Therefore, it is possible to obtain satisfactory microscopic data of hydrous soil data without disorder in the arrangement of particles. As described above, the soil sample is dehydrated and impregnated with the resin without disturbing the resin, and the resin sample is integrally embedded using the replacement container. The block that has been polymerized and cured is cut to the desired orientation with a diamond cutter. By embedding a resin-containing hydrous sediment sample, which was previously considered impossible, without disturbing the resin, it will be useful for improving academic skills in fields such as geology, archeology, and civil engineering.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の方法に使用する器具の分離斜視図であ
る。
FIG. 1 is an exploded perspective view of an instrument used in the method of the present invention.

【図2】同器具を用いて行う本発明の方法の工程を示す
断面図である。
FIG. 2 is a sectional view showing the steps of the method of the present invention performed using the same instrument.

【符号の説明】[Explanation of symbols]

A 土質資料、B アルコール類、1 置換容
器、2 筒状用具、3 多孔板体、4 薄板、5
棒、 6 凸部、7 排水ノズル
A soil data, B alcohols, 1 displacement container, 2 cylindrical tools, 3 perforated plate, 4 thin plate, 5
Rod, 6 convex, 7 drain nozzle

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 含水土質試料中の水分をアルコール類で
置換する工程と、該置換されたアルコール類をアセトン
で置換する工程とを順次行い、該土質試料にアセトンと
硬化性樹脂液の混合液若しくはアセトンと硬化性樹脂液
を主成分とした混合液を注入若しくは浸漬し、アセトン
の気化による液の減量に応じて前記硬化性樹脂液又は混
合液を追加注入し、該液の減量がなくなり土質試料の全
部若しくは一部が硬化性樹脂液に浸漬された状態で、硬
化性樹脂を重合硬化させることにより樹脂包埋土質試料
を作成させることを特徴とする含水土質試料の樹脂包埋
方法。
1. A step of sequentially replacing water in an aqueous soil sample with alcohols and a step of replacing the substituted alcohols with acetone, and adding a mixture of acetone and a curable resin liquid to the soil sample. Alternatively, a mixed liquid mainly composed of acetone and a curable resin liquid is injected or immersed, and the curable resin liquid or the mixed liquid is additionally injected according to a decrease in the liquid due to the vaporization of acetone. A method for embedding a resin-embedded soil sample by polymerizing and curing a curable resin in a state where all or a part of the sample is immersed in a curable resin liquid.
【請求項2】 切り出した含水土質試料を置換容器に収
容し、該置換容器にアルコール類を注入させ抜き取る操
作を行わせることにより含水土質試料中の水分をアルコ
ール類で置換し、該置換容器からアルコール類を抜き取
りアセトンを注入する操作を行わせることによりアルコ
ール類をアセトンで置換し、該置換容器からアセトンを
抜き取り、アセトンと硬化性樹脂液若しくはアセトンと
硬化性樹脂液を主成分とする混合液を注入し、アセトン
の気化による該液の減量に応じて前記硬化性樹脂液又は
混合液を追加注入し、液中に前記土質試料の全部又は少
なくとも一部が浸漬し該液の減量がなくなった状態で、
硬化性樹脂を重合硬化させることにより樹脂包埋土質試
料を作成させることを特徴とする含水土質試料の樹脂包
埋方法。
2. The cut-out hydrous soil sample is stored in a replacement container, and the operation of injecting and withdrawing alcohols from the replacement container is performed to replace the water in the hydrous soil sample with alcohols. The alcohols are replaced with acetone by removing alcohols and injecting acetone, and acetone is removed from the replacement container, and a mixture of acetone and a curable resin liquid or acetone and a curable resin liquid as main components. And the curable resin liquid or the mixed liquid is additionally injected according to the loss of the liquid due to the vaporization of acetone, and all or at least a part of the soil sample is immersed in the liquid, and the loss of the liquid is eliminated. In the state,
A method of embedding a resin-embedded soil sample by polymerizing and setting a curable resin to form a resin-embedded soil sample.
【請求項3】 前記混合液は、アセトンと硬化性樹脂と
してのポリエステル樹脂液とを主成分とし少なくとも重
合促進剤を配合したことを特徴とする請求項1又は2に
記載の含水土質試料の樹脂包埋方法。
3. The resin of the hydrous soil sample according to claim 1, wherein the mixed liquid contains acetone and a polyester resin liquid as a curable resin as main components and at least a polymerization accelerator. Embedding method.
【請求項4】 含水土質試料を抜き取る筒状用具と、内
底部に凹凸部を有し、多孔質の板体を介して前記凹凸部
上に前記抜き取った含水土質試料の底部を前記筒状用具
と一体に載置収容させる置換容器と、を具備することを
特徴とする含水土質試料の樹脂包埋作業用器具。
4. A cylindrical tool for extracting a hydrous soil sample, and a cylindrical tool having an uneven portion on an inner bottom portion, wherein the bottom of the extracted hydrous soil sample is provided on the uneven portion via a porous plate body. And a replacement container to be placed and housed integrally with the resin-impregnated water-impregnated soil sample.
JP9207658A 1997-08-01 1997-08-01 Resin embedding method and equipment for hydrous soil samples Expired - Fee Related JP2978847B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9207658A JP2978847B2 (en) 1997-08-01 1997-08-01 Resin embedding method and equipment for hydrous soil samples

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9207658A JP2978847B2 (en) 1997-08-01 1997-08-01 Resin embedding method and equipment for hydrous soil samples

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Publication Number Publication Date
JPH1151830A true JPH1151830A (en) 1999-02-26
JP2978847B2 JP2978847B2 (en) 1999-11-15

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Country Link
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