JPH06287556A - Soil solidifier - Google Patents

Soil solidifier

Info

Publication number
JPH06287556A
JPH06287556A JP11997892A JP11997892A JPH06287556A JP H06287556 A JPH06287556 A JP H06287556A JP 11997892 A JP11997892 A JP 11997892A JP 11997892 A JP11997892 A JP 11997892A JP H06287556 A JPH06287556 A JP H06287556A
Authority
JP
Japan
Prior art keywords
soil
acid
cement
solidifying agent
water
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
JP11997892A
Other languages
Japanese (ja)
Other versions
JP2678160B2 (en
Inventor
Susumu Kondo
藤 晋 近
Tetsuo Moriya
屋 哲 夫 守
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.)
Nippon Synthetic Chemical Industry Co Ltd
Original Assignee
Nippon Synthetic Chemical Industry Co Ltd
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 Nippon Synthetic Chemical Industry Co Ltd filed Critical Nippon Synthetic Chemical Industry Co Ltd
Priority to JP4119978A priority Critical patent/JP2678160B2/en
Priority to TW82101148A priority patent/TW232678B/zh
Publication of JPH06287556A publication Critical patent/JPH06287556A/en
Application granted granted Critical
Publication of JP2678160B2 publication Critical patent/JP2678160B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0045Polymers chosen for their physico-chemical characteristics
    • C04B2103/0051Water-absorbing polymers, hydrophilic polymers
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0045Polymers chosen for their physico-chemical characteristics
    • C04B2103/0053Water-soluble polymers
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00732Uses not provided for elsewhere in C04B2111/00 for soil stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

PURPOSE:To produce a soil solidifier which solidifies a water-contg. soil at a remarkably increased rate without adversely affecting the natural environment. CONSTITUTION:This soil solidifier comprises a highly water-absorbing resin, cement, and an acidic substance in a wt. ratio of resin: cement: acidic substance of (10-75):(45-20):(45-5), pref. (25-65):(40-25):(35-10), and is added in an amt. of 0.1-10 pts.wt., pref. 0.2-5 pts.wt., to 100 pts.wt. soil.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、高含水比粘性土、砂質
土、ヘドロ、高有機質土、スラッジ、シルトなどの含水
土壌を効果的に固化する土質固化剤に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soil-solidifying agent for effectively solidifying hydrated soil such as highly hydrated cohesive soil, sandy soil, sludge, highly organic soil, sludge and silt.

【0002】[0002]

【従来の技術】土木工事などに際して発生する土砂は、
多量の水分を含み、流動性に富んでいるため非常に取り
扱いにくく、特にベルトコンベアーやダンプカー等によ
る搬出作業を困難なものにしている。このため従来より
含水土壌を固化、安定化させる方法が種々検討され、例
えば特開昭62−117698号公報には、アルミナ系
セメント、高分子吸収剤及び汚泥焼却灰からなる土質固
化剤が提案されている。
[Prior Art] The earth and sand generated during civil engineering work are
Since it contains a large amount of water and is highly fluid, it is extremely difficult to handle, and particularly makes it difficult to carry it out by a belt conveyor or a dump truck. Therefore, various methods for solidifying and stabilizing hydrous soil have been conventionally studied, and for example, JP-A-62-117698 proposes a soil solidifying agent composed of an alumina cement, a polymer absorbent and sludge incineration ash. ing.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、かかる
方法においては土壌の固化強度は得られるものの固化反
応に長時間要し、運搬効率を非常に低下させている。更
に従来の土質固化剤はアルカリ性を示すものが主流であ
るため固化土の廃棄後の環境破壊が問題となっておりか
かる対策が望まれている。従って、固化速度に優れ、し
かも自然環境に悪影響を及ぼすことのない土質固化剤の
出現が強く望まれている。
However, in such a method, although the solidification strength of the soil can be obtained, the solidification reaction takes a long time, and the transport efficiency is extremely lowered. Furthermore, since most of the conventional soil solidifying agents show alkaline, the environmental destruction after disposal of the solidified soil becomes a problem, and such measures are desired. Therefore, the emergence of a soil solidifying agent which has an excellent solidification rate and which does not adversely affect the natural environment is strongly desired.

【0004】[0004]

【課題を解決するための手段】そこで本発明者等はかか
る課題を解決すべく鋭意研究を重ねた結果、高吸水性樹
脂、セメント、酸性物質よりなる土質固化剤が目的に合
致することを見出し本発明を完成するに至った。本発明
においては酸性物質を添加することにより含水土壌の固
化速度が非常に優れ、又土質固化剤中のアルカリ成分と
中和反応を起こすため、固化土の廃棄後も自然環境に悪
影響を及ぼすことが少ないのでその意義は非常に大き
い。以下、本発明について詳述する。
The inventors of the present invention have conducted extensive studies to solve such problems, and as a result, found that a soil-solidifying agent composed of a superabsorbent resin, cement, and an acidic substance meets the purpose. The present invention has been completed. In the present invention, by adding an acidic substance, the solidification rate of the water-containing soil is very excellent, and since it causes a neutralization reaction with the alkaline component in the soil solidifying agent, it may adversely affect the natural environment even after the solidified soil is discarded. However, its significance is very large. Hereinafter, the present invention will be described in detail.

【0005】本発明における高吸水性樹脂としては、水
に溶解することなく、水を吸収しその容積を数倍から千
倍近く膨潤するものを指し、例えばアクリル酸塩重合体
架橋物、アクリル酸エステル−酢酸ビニル共重合体のケ
ン化物、デンプン−アクリル酸塩グラフト共重合体架橋
物、デンプン−アクリロニトリルグラフト共重合体架橋
物のケン化物、無水マレイン酸グラフトポリビニルアル
コール架橋物、ポリエチレンオキシド架橋物、無水マレ
イン酸とオレフィン類からなる共重合体架橋物、無水マ
レイン酸−酢酸ビニル共重合体ケン化物の架橋体、多糖
類−アクリル酸グラフト架橋物、カルボキシメチルセル
ロース架橋体、アクリルアミド重合体架橋物等が挙げら
れる。なかでも固化速度の速さからアクリル酸塩重合体
架橋物、アクリル酸エステル−酢酸ビニル共重合体ケン
化物、澱粉−アクリル酸塩グラフト共重合体架橋物等の
アクリル酸塩を含有する高吸水性樹脂が好ましい。
The highly water-absorbent resin in the present invention refers to a resin which absorbs water and swells its volume by several to 1,000 times without being dissolved in water. For example, cross-linked acrylic acid polymer and acrylic acid. Ester-saponified product of vinyl acetate copolymer, starch-acrylic acid salt graft copolymer cross-linked product, saponified product of starch-acrylonitrile graft copolymer cross-linked product, maleic anhydride grafted polyvinyl alcohol cross-linked product, polyethylene oxide cross-linked product, Copolymer cross-linked product consisting of maleic anhydride and olefins, maleic anhydride-vinyl acetate copolymer saponified cross-linked product, polysaccharide-acrylic acid graft cross-linked product, carboxymethyl cellulose cross-linked product, acrylamide polymer cross-linked product, etc. Can be mentioned. Above all, due to its fast solidification rate, it has a high water-absorbing property containing an acrylate such as a cross-linked acrylic acid polymer, a saponified acrylic ester-vinyl acetate copolymer, and a cross-linked starch-acrylic acid graft copolymer. Resins are preferred.

【0006】該ポリマーの粉粒体は通常平均粒径50〜
850μm程度のものが好ましく、粒径があまりにも大
きいと土砂に均一に混合し難く、しかも固化時間が長く
かかり好ましくない。本発明におけるセメントとしては
一般に土木及び建築分野で使用され得るセメントであれ
ばいずれでも良く、ポルトランドセメント(例えば普通
ポルトランドセメント、早強ポルトランドセメント、低
熱ポルトランドセメント、耐硫酸塩ポルトランドセメン
ト)、混合セメント(例えば高炉セメント、フライアッ
シュセメント、シリカセメント)、その他SO3成分が
6%以上配合されているセメント、アルミナセメント、
白色セメント等の特殊セメント等が挙げられ、好ましく
は酸性物質の存在下で水硬反応する際、毒性の強い硫化
水素ガスが発生することのないアルミナセメントが有利
である。具体的にはアルコア化成(株)社製のCA−25
が適当である。
The polymer granules usually have an average particle size of 50-
It is preferably about 850 μm, and if the particle size is too large, it is difficult to uniformly mix it with the soil and the solidification time is long, which is not preferable. The cement in the present invention may be any cement that can be generally used in the field of civil engineering and construction, and Portland cement (for example, ordinary Portland cement, early strength Portland cement, low heat Portland cement, sulfate resistant Portland cement), mixed cement ( For example, blast furnace cement, fly ash cement, silica cement), cement containing 6% or more of SO 3 component, alumina cement,
Specific cements such as white cement may be mentioned, and preferably alumina cement which does not generate highly toxic hydrogen sulfide gas when hydraulically reacting in the presence of an acidic substance. Specifically, CA-25 manufactured by Alcoa Kasei Co., Ltd.
Is appropriate.

【0007】本発明における酸性物質としては特に制限
はなく、塩酸、硫酸、硝酸、リン酸及びこれらの塩等か
らなる無機酸性物質、酢酸、シュウ酸、マレイン酸、フ
マール酸、安息香酸、クエン酸、コハク酸等からなるカ
ルボン酸、メタンスルホン酸、ベンゼンスルホン酸等か
らなるスルホン酸、リンゴ酸、酒石酸等のオキシカルボ
ン酸、ポリアクリル酸、オレフィン−マレイン酸共重合
体、スチレン−マレイン酸共重合体等の水溶性カルボキ
シル基含有共重合体等が挙げられ、特に本発明如き効果
を示す物質としてはシュウ酸、クエン酸、マレイン酸、
フマール酸等の有機酸、硫酸鉄、硫酸アルミニウム等の
硫酸塩、ポリアクリル酸、エチレン−マレイン酸共重合
体等が有利である。
The acidic substance in the present invention is not particularly limited, and is an inorganic acidic substance consisting of hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid and salts thereof, acetic acid, oxalic acid, maleic acid, fumaric acid, benzoic acid, citric acid. , Carboxylic acids such as succinic acid, methanesulfonic acid, sulfonic acids such as benzenesulfonic acid, oxycarboxylic acids such as malic acid and tartaric acid, polyacrylic acid, olefin-maleic acid copolymer, styrene-maleic acid copolymer Examples thereof include water-soluble carboxyl group-containing copolymers such as coalesced materials, and particularly, substances exhibiting the effects of the present invention include oxalic acid, citric acid, maleic acid,
Organic acids such as fumaric acid, sulfates such as iron sulfate and aluminum sulfate, polyacrylic acid, and ethylene-maleic acid copolymers are advantageous.

【0008】かかる酸性物質は固体状のものが操作効率
の点で有利であるが、液体状あるいは水溶液にした酸性
物質も使用可能である。但し、かかる場合は高吸水性樹
脂及びセメント系への事前混合は避け、施工時に混合す
る必要がある。本発明において土質固化剤における各成
分の混合比率は高吸水性樹脂/セメント/酸性物質(重
量部における)が10〜75/45〜20/45〜5、
好ましくは25〜65/40〜25/35〜10が適当
であり、かかる比率が規定範囲外の場合は土壌の固化に
長時間を要したり、十分な固化強度が得られないとか固
化土の廃棄後環境破壊を起こさない等の目的が達せられ
ないことがある。
[0008] Such an acidic substance is advantageous in that it is in a solid state in terms of operation efficiency, but an acidic substance in a liquid state or an aqueous solution can also be used. However, in such a case, it is necessary to avoid pre-mixing with the super absorbent polymer and the cement system, and mix them at the time of construction. In the present invention, the mixing ratio of each component in the soil solidifying agent is such that the super absorbent polymer / cement / acidic substance (in parts by weight) is 10-75 / 45-20 / 45-5,
Preferably, 25 to 65/40 to 25/35 to 10 are suitable, and when such a ratio is out of the specified range, it takes a long time to solidify the soil, or sufficient solidification strength cannot be obtained, The purpose such as not causing environmental damage after disposal may not be achieved.

【0009】かかる土質固化剤の土壌に対する添加量は
固化対象土壌の性状により異なり一概には限定できない
が土壌100重量部に対して0.1〜10重量部、好ま
しくは0.2〜5重量部が適当である。本発明における
土質固化剤を使用するにおいては、固化土壌から抽出し
た水がpH6.2〜8.6の範囲内に含まれる。
The amount of the soil-solidifying agent added to the soil varies depending on the properties of the soil to be solidified and cannot be unconditionally limited. Is appropriate. When the soil solidifying agent in the present invention is used, the water extracted from the solidified soil is contained within the range of pH 6.2 to 8.6.

【0010】本発明の土質固化剤においては更に水溶性
樹脂を混合させることにより固化速度が向上するので有
利である。水溶性樹脂とはポリビニルアルコール、ポリ
ビニルアルコール誘導体、例えばアクリル酸、メタクリ
ル酸、マレイン酸等の不飽和酸類、アクリロニトリル、
メタクリロニトリル等のニトリル類、アクリルアミド等
のアミド類、エチレンスルホン酸、アリルスルホン酸等
のオレフィンスルホン酸類、オキシアルキレン類で変性
されたポリビニルアルコール等、ポリアクリル酸及びそ
の塩、ポリエチレンオキシド、アルギン酸およびその
塩、カルボキシメチルセルロース、メチルセルロース、
その他天然又は発酵法による多糖類が挙げられ、かかる
水溶性樹脂の添加量は土質固化剤100重量部に対して
0.03〜30重量部、好ましくは0.05〜15重量部
が適当である。
In the soil solidifying agent of the present invention, it is advantageous to further mix a water-soluble resin because the solidifying rate is improved. Water-soluble resins are polyvinyl alcohol, polyvinyl alcohol derivatives, such as acrylic acid, methacrylic acid, unsaturated acids such as maleic acid, acrylonitrile,
Nitriles such as methacrylonitrile, amides such as acrylamide, olefin sulfonic acids such as ethylene sulfonic acid and allyl sulfonic acid, polyvinyl alcohol modified with oxyalkylenes, polyacrylic acid and salts thereof, polyethylene oxide, alginic acid and Its salt, carboxymethyl cellulose, methyl cellulose,
Other examples include natural or fermented polysaccharides. The amount of the water-soluble resin added is 0.03 to 30 parts by weight, preferably 0.05 to 15 parts by weight, based on 100 parts by weight of the soil solidifying agent. .

【0011】本発明の固化剤を使用するに際しては、上
記の水溶性樹脂以外にも更に必要に応じて生石灰、消石
灰、二酸化ケイ素等の無機粉体、湿式シリカ、乾式シリ
カ、ゼオライト、ベントナイト、ケイソウ土、タルク、
パーライト、ケイ砂、活性白土等の任意成分を併用する
ことができる。本発明の固化剤を用いる含水土壌として
は高含水比粘性土、砂質土、ヘドロ、高有機質土、スラ
ッジ、シルト、その他固化処理を必要とする土壌いずれ
に対しても使用可能である。
In using the solidifying agent of the present invention, in addition to the above water-soluble resin, if necessary, quick lime, slaked lime, inorganic powder such as silicon dioxide, wet silica, dry silica, zeolite, bentonite, diatomaceous Soil, talc,
Optional components such as pearlite, silica sand and activated clay can be used in combination. The water-containing soil using the solidifying agent of the present invention can be used for any of high water-content specific clay, sandy soil, sludge, highly organic soil, sludge, silt, and any other soil requiring solidification treatment.

【0012】本発明における固化剤の添加方法は何ら制
限されるものではなく、例えば高吸水性樹脂、セメント
および酸性物質を予め混合させ土壌に添加する方法、前
記3成分を別々に土壌に添加する方法等が挙げられる。
更に、本発明の固化剤を一時に全量投入することもある
いは数回に分割して投入することも可能である。
The method of adding the solidifying agent in the present invention is not limited at all, for example, a method of premixing a superabsorbent resin, cement and an acidic substance and adding to the soil, and adding the above three components to the soil separately. Methods and the like.
Furthermore, the solidifying agent of the present invention can be added all at once or divided into several times.

【0013】[0013]

【作 用】本発明における土質固化剤は、含水土壌を
非常に速やかに固化させ即時運搬を可能にし、更に自然
環境に悪影響を及ぼすことのない優れた土質固化剤であ
る。
[Operation] The soil-solidifying agent of the present invention is an excellent soil-solidifying agent that solidifies the water-containing soil very quickly to enable immediate transportation and does not adversely affect the natural environment.

【0014】[0014]

【実施例】以下、本発明において実例を挙げ更に詳述す
る。 実施例1〜6 含水率70%の粘性土100重量部(固形分換算)に表
1で示す固化剤を混合して含水土壌の固化速度を測定し
た。結果はまとめて表2に示す。 ○固化速度の測定方法 モルタル用万能混合撹拌機に所定量の含水土壌を仕込
み、続いて撹拌しながら所定量の固化剤を添加した。添
加後、土壌が全く流動性を示さない状態あるいは水気の
ない団粒状態になる迄の時間を固化時間として測定し
た。
EXAMPLES Hereinafter, the present invention will be described in more detail with reference to practical examples. Examples 1 to 6 The solidifying agent shown in Table 1 was mixed with 100 parts by weight of cohesive soil having a water content of 70% (solid content conversion) to measure the solidification rate of the water-containing soil. The results are summarized in Table 2. ○ Measurement method of solidification rate A predetermined amount of water-containing soil was charged into a universal mixing stirrer for mortar, and then a predetermined amount of solidifying agent was added while stirring. After the addition, the time required for the soil to show no fluidity or water-free aggregated state was measured as the setting time.

【0015】[0015]

【表1】 [Table 1]

【0016】*1 アクアリザーブAP−100:日本
合成化学工業(株)社製のポリアクリ酸塩系高吸水性樹
脂 *2 PAAc(ポリアクリル酸):和光純薬(株)社製試
薬25%の水溶液を乾燥粉末化して使用 *3 アクアリザーブGP:日本合成化学工業(株)社
製のマレイレン酸変性ポリビニルアルコール系高吸水性
樹脂 *4 ESC−D:大阪セメント(株)社製のSO3
有量6%以上のセメント *5 スミカゲルS−50:住友化学工業(株)社製の
ポリビニルアルコール/ポリアクリル酸塩系高吸水性樹
脂 *6 CA−25:アルコア化成(株)社製のアルミナ
セメント
* 1 Aqua Reserve AP-100: Polyacrylate-based super absorbent polymer manufactured by Nippon Synthetic Chemical Industry Co., Ltd. * 2 PAAc (polyacrylic acid): 25% reagent manufactured by Wako Pure Chemical Industries, Ltd. Aqueous solution is used as a dry powder. * 3 Aqua Reserve GP: Maleilenic acid modified polyvinyl alcohol superabsorbent resin manufactured by Nippon Synthetic Chemical Industry Co., Ltd. * 4 ESC-D: Containing SO 3 manufactured by Osaka Cement Co., Ltd. Amount of cement of 6% or more * 5 Sumikagel S-50: polyvinyl alcohol / polyacrylate superabsorbent resin manufactured by Sumitomo Chemical Co., Ltd. * 6 CA-25: alumina cement manufactured by Alcoa Kasei Co., Ltd.

【0017】実施例7 実施例1において固化対象土壌として含水比47%の砂
質土100重量部(固形分換算)を用いた以外は同例に
従って実験を行った。結果はまとめて表2に示す。 実施例8 実施例1で使用した土質固化剤に更に平均重合度140
0、平均ケン化度88モル%のポリビニルアルコール
0.5重量部を混合した以外は同例に従って実験を行っ
た。結果はまとめて表2に示す。
Example 7 An experiment was carried out in the same manner as in Example 1 except that 100 parts by weight (as solid content) of sandy soil having a water content of 47% was used as the soil to be solidified. The results are summarized in Table 2. Example 8 An average degree of polymerization of 140 was added to the soil solidifying agent used in Example 1.
An experiment was carried out according to the same example except that 0.5 part by weight of polyvinyl alcohol having an average saponification degree of 0 and 88 mol% was mixed. The results are summarized in Table 2.

【0018】実施例9 実施例3で使用した土質固化剤に更に平均重合度250
0のポリアクリル酸ナトリウム0.3重量部を混合した
以外は同例に従って実験を行った。結果はまとめて表2
に示す。 比較例1 実施例1においてポリアクリル酸を用いなかった以外は
同例に従って実験を行った。結果はまとめて表2に示
す。 比較例2 実施例3において無水硫酸アルミニウムを用いなかった
以外は同例に従って実験を行った。結果はまとめて表2
に示す。
Example 9 The soil solidifying agent used in Example 3 was further supplemented with an average degree of polymerization of 250.
An experiment was conducted according to the same example except that 0.3 part by weight of sodium polyacrylate of 0 was mixed. The results are summarized in Table 2
Shown in. Comparative Example 1 An experiment was carried out in the same manner as in Example 1 except that polyacrylic acid was not used. The results are summarized in Table 2. Comparative Example 2 An experiment was performed according to the same example as Example 3, except that anhydrous aluminum sulfate was not used. The results are summarized in Table 2
Shown in.

【0019】[0019]

【表2】 [Table 2]

【0020】[0020]

【効 果】本発明における土質固化剤は酸性物質を添
加することにより含水土壌の固化速度が非常に促進す
る。又かかる固化剤は環境破壊を引き起こすことのない
安全な固化剤である。
[Effects] The soil solidifying agent of the present invention greatly accelerates the solidification rate of hydrous soil by adding an acidic substance. Further, such a solidifying agent is a safe solidifying agent which does not cause environmental damage.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 高吸水性樹脂、セメント、酸性物質より
なる土質固化剤
1. A soil solidifying agent comprising a super absorbent polymer, cement and an acidic substance.
【請求項2】 更に水溶性樹脂を混合することを特徴と
する請求項1記載の土質固化剤
2. The soil solidifying agent according to claim 1, further comprising a water-soluble resin mixed therein.
JP4119978A 1992-04-13 1992-04-13 Soil solidification agent Expired - Fee Related JP2678160B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4119978A JP2678160B2 (en) 1992-04-13 1992-04-13 Soil solidification agent
TW82101148A TW232678B (en) 1992-04-13 1993-02-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4119978A JP2678160B2 (en) 1992-04-13 1992-04-13 Soil solidification agent

Publications (2)

Publication Number Publication Date
JPH06287556A true JPH06287556A (en) 1994-10-11
JP2678160B2 JP2678160B2 (en) 1997-11-17

Family

ID=14774891

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (2)

Country Link
JP (1) JP2678160B2 (en)
TW (1) TW232678B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102154013A (en) * 2011-03-03 2011-08-17 吴国君 Saline-alkali land soil conditioner and preparation method thereof
CN110591722A (en) * 2019-09-19 2019-12-20 西北师范大学 Preparation method of high-water-absorptivity composite resin with functions of preventing soil epidermis from shrinking and reducing water evaporation
CN115093188A (en) * 2022-06-22 2022-09-23 湖北路城建设科技有限公司 Composite soil curing agent for permeable pavement base and application thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108383946A (en) * 2018-03-12 2018-08-10 西北师范大学 A kind of preparation of water-soluble environment protective sand-consolidating agent and application process

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Publication number Priority date Publication date Assignee Title
JPS5128344A (en) * 1974-09-03 1976-03-10 Ube Industries Odei no kokeikahoho
JPS5271818A (en) * 1975-12-12 1977-06-15 Fujita Sadao Soil setting agent with cement such as portland cement
JPS5318207A (en) * 1976-08-03 1978-02-20 Onoda Cement Co Ltd Subbase course stabilizing method
JPS60229984A (en) * 1984-04-27 1985-11-15 Nippon Soiru Kk Method of soil improvement
JPS61227899A (en) * 1985-04-02 1986-10-09 Toshihiro Ijichi Treatment of waste earth
JPS63139973A (en) * 1986-12-03 1988-06-11 Shigeo Koshikawa Method of stabilizing fluid soil
JPH03168489A (en) * 1989-11-24 1991-07-22 Shiro Seshima Burying method of buried pipe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128344A (en) * 1974-09-03 1976-03-10 Ube Industries Odei no kokeikahoho
JPS5271818A (en) * 1975-12-12 1977-06-15 Fujita Sadao Soil setting agent with cement such as portland cement
JPS5318207A (en) * 1976-08-03 1978-02-20 Onoda Cement Co Ltd Subbase course stabilizing method
JPS60229984A (en) * 1984-04-27 1985-11-15 Nippon Soiru Kk Method of soil improvement
JPS61227899A (en) * 1985-04-02 1986-10-09 Toshihiro Ijichi Treatment of waste earth
JPS63139973A (en) * 1986-12-03 1988-06-11 Shigeo Koshikawa Method of stabilizing fluid soil
JPH03168489A (en) * 1989-11-24 1991-07-22 Shiro Seshima Burying method of buried pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102154013A (en) * 2011-03-03 2011-08-17 吴国君 Saline-alkali land soil conditioner and preparation method thereof
CN110591722A (en) * 2019-09-19 2019-12-20 西北师范大学 Preparation method of high-water-absorptivity composite resin with functions of preventing soil epidermis from shrinking and reducing water evaporation
CN115093188A (en) * 2022-06-22 2022-09-23 湖北路城建设科技有限公司 Composite soil curing agent for permeable pavement base and application thereof
CN115093188B (en) * 2022-06-22 2024-03-22 湖北路城建设科技有限公司 Composite soil curing agent for permeable pavement base layer and application

Also Published As

Publication number Publication date
TW232678B (en) 1994-10-21
JP2678160B2 (en) 1997-11-17

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