JPH04146321A - Soil cement grout - Google Patents
Soil cement groutInfo
- Publication number
- JPH04146321A JPH04146321A JP27141790A JP27141790A JPH04146321A JP H04146321 A JPH04146321 A JP H04146321A JP 27141790 A JP27141790 A JP 27141790A JP 27141790 A JP27141790 A JP 27141790A JP H04146321 A JPH04146321 A JP H04146321A
- Authority
- JP
- Japan
- Prior art keywords
- soil cement
- water
- soil
- cement
- steel materials
- 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
- 239000004568 cement Substances 0.000 title claims abstract description 27
- 239000002689 soil Substances 0.000 title claims abstract description 27
- 239000011440 grout Substances 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 6
- 239000000440 bentonite Substances 0.000 claims abstract description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 239000004088 foaming agent Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000002518 antifoaming agent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000021120 animal protein Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（発明が属する技術分野）
本発明は、所定区域の地盤をセメントの攪拌混合により
処理した後、この部分に鋼材等を建て込んで地中壁等の
地中構造物を構築する場合に好適なソイルセメント用の
注入材に関する。Detailed Description of the Invention (Technical field to which the invention pertains) The present invention is directed to treating the ground in a predetermined area by stirring and mixing cement, and then building underground structures such as underground walls by erecting steel materials, etc. in this area. This invention relates to a pouring material for soil cement suitable for constructing soil cement.
（発明の課題とその特徴点）
従来、所定区域の地盤をセメントの攪拌混合により処理
した後、この部分に鋼材等を建て込んで地中壁等の地中
構造物を構築する場合には、セメントとベントナイトと
水とから成り、鋼材等の挿入を容易にするために水の配
合量を多くしたソイルセメント用注入材が用いられてい
るが、現場によっては水の確保が難しい場合があること
や工事中に地上に排出される土の処分が大変であること
が問題点になっていた。(Problems to be solved by the invention and its characteristics) Conventionally, when constructing underground structures such as underground walls by treating the ground in a predetermined area by stirring and mixing cement, and then erecting steel materials etc. in this area, Soil cement injection material is made of cement, bentonite, and water, and contains a large amount of water to facilitate the insertion of steel materials, etc., but it may be difficult to secure water depending on the site. The problem was that it was difficult to dispose of the soil that was discharged to the ground during construction.
本発明は、前記問題点の解決を目的としているものであ
って、その構成上の特徴は特許請求の範囲に記載したと
おりである。The present invention aims to solve the above-mentioned problems, and its structural features are as described in the claims.
本発明のソイルセメント用注入材を使用した場合、鋼材
等の挿入の容易さは従来と同等以上であり、しかも、排
出土中に含まれている気泡は消泡剤を使用すれば直ちに
消滅させることができるので、排出土の量が少なくなり
、その処分は従来よりも容易である。When using the soil cement injection material of the present invention, the ease of inserting steel materials, etc. is equal to or better than conventional methods, and moreover, the air bubbles contained in the discharged soil can be immediately extinguished by using an antifoaming agent. Therefore, the amount of excreted soil is reduced and its disposal is easier than before.
（発明の詳細な説明）
従来使用されている一般的なソイルセメント用注入材は
、原地盤の土砂１ｍ３当たり、セメント： １００〜３
００ｋｇ、ベントナイト＝３０〜７０ｋｇ、水＝６００
〜１０００￥１の配合になついる。(Detailed Description of the Invention) The general soil cement injection material conventionally used has a cement content of 100 to 3 per m3 of earth and sand in the original ground.
00kg, bentonite = 30-70kg, water = 600
~ 1000 yen 1 combination.
本発明のソイルセメント用注入材は、前記従来のものの
配合中、水の一部（約８０％以下）を気泡で置き換えた
ものであって、その配合は、例えば、セメント： １８
０ ｋＬベントナイト： ６０ｋｇ、気泡：４２５￥Ｌ
水：１７５蔓である。The soil cement injection material of the present invention is one in which a part of the water (approximately 80% or less) is replaced with air bubbles in the formulation of the conventional one, and the formulation is, for example, cement: 18
0 kL bentonite: 60 kg, bubbles: 425 yen L
Water: 175 vines.
気泡は発泡剤を混入して発生させるが、発泡剤には、特
殊動物性蛋白質を主成分とするものの外、界面活性剤等
が用いられる。Bubbles are generated by mixing a foaming agent, and the foaming agent may be one whose main component is a special animal protein or a surfactant.
本発明のソイルセメント用注入材の使用態様は従来のも
のと変わらず、本発明のソイルセメント用注入材の攪拌
混合により形成されたソイルセメント部に鋼材等を建て
込んで地中壁等の地中構造物を構築する際には、鋼材等
を自重で容易に沈降させることができ、その建て込みの
容易さは従来のソイルセメント用注入材を使用した場合
と同等以上である。The manner of use of the soil cement injection material of the present invention is the same as that of conventional methods, and steel materials etc. are erected into the soil cement part formed by stirring and mixing the soil cement injection material of the present invention. When constructing medium-sized structures, steel materials etc. can be easily settled by their own weight, and the ease of erection is equal to or greater than when using conventional soil cement injection materials.
そして、ソイルセメント部形成時や鋼材等の建て込み時
に地上に排出される土量は、アルコール等の消泡剤を用
いて排出土内に含まれている気泡を消滅させることによ
り、少なくすることができるので、排出土の処分は容易
である。The amount of soil discharged to the ground during the formation of the soil cement section or the erection of steel materials, etc., can be reduced by eliminating air bubbles contained in the discharged soil using antifoaming agents such as alcohol. Therefore, disposal of discharged soil is easy.
（発明の効果）
本発明のソイルセメント用注入材は以上のようなもので
あるがら、従来のソイルセメント用注入材と比較して、
水の配合量が少ないにも拘らず、鋼材等の建て込みの容
易さが同等以上であるソイルセメント部を形成すること
ができ、しがち、ソイルセメント部形成時や鋼材等の建
て込み時に排出される土量を少なくすることができ、排
出土の処分が容易である、等の諸効果が期待できる。(Effects of the Invention) Although the soil cement injection material of the present invention is as described above, compared to the conventional soil cement injection material,
Despite the small amount of water mixed, it is possible to form a soil cement section that is as easy to install as steel materials, etc., and tends to be discharged when forming the soil cement section or when installing steel materials, etc. Various effects can be expected, such as reducing the amount of soil used and making it easier to dispose of the discharged soil.
特許出願人 不動建設株式会社 同 フドゥ技研株式会社 代理人弁理士 染 谷 廣 司Patent applicant: Fudo Construction Co., Ltd. Same as Fudu Giken Co., Ltd. Representative Patent Attorney Hiroshi Sometani
Claims (1)
用注入材における水の一部を気泡で置き換えて、セメン
トとベントナイトと水と気泡とから成るようにしたこと
を特徴とするソイルセメント用注入材。1. A soil cement injection material comprising cement, bentonite, water, and water by replacing a portion of the water with air bubbles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27141790A JPH04146321A (en) | 1990-10-09 | 1990-10-09 | Soil cement grout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27141790A JPH04146321A (en) | 1990-10-09 | 1990-10-09 | Soil cement grout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04146321A true JPH04146321A (en) | 1992-05-20 |
Family
ID=17499752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27141790A Pending JPH04146321A (en) | 1990-10-09 | 1990-10-09 | Soil cement grout |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04146321A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07166529A (en) * | 1993-12-17 | 1995-06-27 | Takao Akamatsu | Driving method for core material in ground improving method |
| JP2011226161A (en) * | 2010-04-20 | 2011-11-10 | Ohbayashi Corp | Soil improving device and soil improving method |
-
1990
- 1990-10-09 JP JP27141790A patent/JPH04146321A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07166529A (en) * | 1993-12-17 | 1995-06-27 | Takao Akamatsu | Driving method for core material in ground improving method |
| JP2011226161A (en) * | 2010-04-20 | 2011-11-10 | Ohbayashi Corp | Soil improving device and soil improving method |
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