JPH09328747A - Solidifying material supply device - Google Patents
Solidifying material supply deviceInfo
- Publication number
- JPH09328747A JPH09328747A JP14585096A JP14585096A JPH09328747A JP H09328747 A JPH09328747 A JP H09328747A JP 14585096 A JP14585096 A JP 14585096A JP 14585096 A JP14585096 A JP 14585096A JP H09328747 A JPH09328747 A JP H09328747A
- Authority
- JP
- Japan
- Prior art keywords
- solidifying material
- wet
- solidifying
- water
- mixer
- 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
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、固化材を使用して
軟弱地盤を固める表層地盤改良工事に使用する固化材供
給装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solidifying material supplying device used for surface layer ground improvement work for solidifying soft ground by using a solidifying material.
【０００２】[0002]
【従来の技術】地盤上に構築物を建造する場合、地盤が
軟弱で構築物を支持できないとき、固化材を軟弱地盤に
混合して地盤をかためる工事が行われる。固める地盤深
さが約２ｍより浅い場合、一般に表層地盤改良工事と呼
ばれている。この表層地盤改良工事における従来の固化
材供給方法について説明する。固化材は固化材製造工場
で化学繊維等で作られた容量１ｍ3 程度のフレキシブル
な散布用容器（以後フレコンと称す）と呼ばれる袋に入
れられてトラック等の運搬車両にのせられ、運搬車両の
乗り入れが可能な地盤改良施工個所の近傍に運ばれる。
地盤改良施工個所近傍に運ばれたフレコン入り固化材は
バックホ−等で運搬車両から降ろされ、引き続きバック
ホ−等で地盤改良施工個所まで運ばれて軟弱地盤上に散
布され土と混合される。2. Description of the Related Art When constructing a structure on the ground, when the ground is soft and cannot support the structure, a work for hardening the ground is performed by mixing a solidifying material with the soft ground. When the ground to be solidified is shallower than about 2 m, it is generally called surface ground improvement work. A conventional solidifying material supply method in the surface ground improvement work will be described. The solidifying material is placed in a bag called a flexible spraying container (hereinafter referred to as FIBC) having a capacity of about 1 m 3 made of chemical fiber or the like at the solidifying material manufacturing plant and placed on a carrying vehicle such as a truck, It is transported to the vicinity of a ground improvement construction site where entry is possible.
The flexible material-containing solidified material that has been transported to the vicinity of the ground improvement construction site is unloaded from the transportation vehicle by a backhoe or the like, and subsequently transported to the ground improvement construction site by the backhoe or the like and sprayed on the soft ground and mixed with soil.
【０００３】ところで、固化材の散布時および土との混
合時に、固化材の微粉体は粉塵として大気中に舞い上が
り、動植物や建造物に付着し、水分と反応，硬化して、
周辺環境に悪影響を及ぼす。したがって、近年、固化材
供給方法に、粉塵が抑制できる粉塵抑制タイプの固化材
いわゆる防塵型固化材の使用が検討されている。この防
塵型固化材は、固化材に液体を加えて固化材を湿らせた
もの、特殊繊維を固化材に混入し固化材粒子をからめた
もの、固化材にバインダ−を加え圧力をかけて団塊状に
したものなど色々考えられるが、なかでもセメントから
なる固化材に水を加えて湿らせた湿潤固化材が、安価で
使い易く、取り扱いが安全の上、地下水汚染の懸念もな
く、防塵効果も高いので、その採用が検討されている。By the way, at the time of spraying the solidifying material and mixing with the soil, the fine powder of the solidifying material floats up into the atmosphere as dust, adheres to plants and animals and structures, reacts with water and hardens,
It has an adverse effect on the surrounding environment. Therefore, in recent years, the use of a dust-suppressing type solidifying material capable of suppressing dust, so-called dust-proof type solidifying material, has been studied for the solidifying material supply method. This dust-proof solidifying material is obtained by adding liquid to the solidifying material to moisten the solidifying material, mixing special fibers into the solidifying material to entangle solidifying material particles, and adding a binder to the solidifying material to apply pressure to the nodule. There are various things that can be considered, but among them, a solidified material made of cement and moistened with water is a wet solidified material that is cheap and easy to use, safe to handle, there is no concern of groundwater contamination, and a dustproof effect. Since it is also high, its adoption is being considered.
【０００４】しかしながら、セメントに水を加えて湿ら
せた湿潤固化材は、セメントが水と反応して凝固するの
で、約５時間で固化材としての効果を失ってしまう。す
なわち、湿潤固化材は製造後５時間以内に地盤改良施工
個所での散布および土との混合を終了しておかねばなら
ないという制約がある。それに対し、従来の固化材供給
方法では、製造された湿潤固化材を工場から地盤改良工
個所近傍に運搬し、さらに其処からバックホ−等で地盤
改良工個所に散布し土と混合することになるので、湿潤
固化材を製造してから土と混合するまで約１５時間を要
することになる。よって、固化材としての効果が５時間
しかない湿潤固化材は、表層地盤改良工事における従来
の固化材供給方法では使用できない。したがって、湿潤
固化材を表層地盤改良工事に使用できるようにするに
は、湿潤固化材を製造してから地盤改良工個所に散布お
よび土との混合までに要する時間が５時間以内の短時間
で終了できる固化材供給方法を可能とする固化材供給装
置が必要となる。However, the wet solidifying material obtained by adding water to the cement to wet it loses its effect as a solidifying material in about 5 hours because the cement reacts with water to solidify. In other words, there is a restriction that the wet solidifying material must be sprayed and mixed with soil at the ground improvement construction site within 5 hours after manufacturing. On the other hand, in the conventional solidifying material supply method, the produced wet solidifying material is transported from the factory to the vicinity of the ground improvement work site, and from there, it is sprayed to the ground improvement work site by a backhoe or the like and mixed with the soil. Therefore, it takes about 15 hours from the production of the wet solidifying material to the mixing with the soil. Therefore, the wet solidifying material, which is effective only as solidifying material for 5 hours, cannot be used in the conventional solidifying material supply method in the surface ground improvement work. Therefore, in order to be able to use the wet solidified material for surface soil improvement work, the time required from spraying the wet solidified material to spraying and mixing with soil at the ground improvement work site is within 5 hours. There is a need for a solidifying material supply device that enables a solidifying material supply method that can be ended.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、湿潤固化材
を使用して表層地盤改良工事を行うのに、地盤改良工個
所の近傍で湿潤固化材が製造できて、かつ湿潤固化材を
フレコンに供給するまでを短時間で行うことができる移
動式の固化材供給装置を提供することにある。SUMMARY OF THE INVENTION According to the present invention, a wet solidification material can be produced in the vicinity of a ground improvement work site, and the wet solidification material can be used for the flexible container when performing the surface ground improvement work using the wet solidification material. It is an object of the present invention to provide a mobile solidifying material supply device capable of performing the supply of the solid material in a short time.
【０００６】[0006]
【課題を解決するための手段】本発明は、固化材製造機
械と固化材供給機械からなる固化材製造装置が運搬車両
に積載されている固化材供給装置に関する。そして、固
化材製造機械は、固化材抜き出し部を下部に付設する固
化材タンク、および水タンク、および該固化材抜き出し
部から送出された固化材のセメントと該水タンクからの
水を混合して湿潤固化材を製造する混合機からなる固化
材供給装置に関する。また、固化材供給機械は、固化材
製造機械の混合機から搬出された湿潤固化材を散布用容
器に供給する供給機からなる固化材供給装置に関する。
さらに、固化材抜き出し部は、スクリュ−機構のスクリ
ュ−コンベアを有し、該スクリュ−コンベアの回転軸は
混合機に連通している固化材供給装置に関する。SUMMARY OF THE INVENTION The present invention relates to a solidifying material supplying device in which a solidifying material manufacturing device including a solidifying material manufacturing machine and a solidifying material supplying machine is loaded on a transportation vehicle. Then, the solidified material manufacturing machine mixes the solidified material tank having the solidified material extraction part attached to the lower part, the water tank, and the cement of the solidified material sent from the solidified material extraction part and the water from the water tank. The present invention relates to a solidifying material supply device including a mixer for producing a wet solidifying material. Further, the solidifying material supply machine relates to a solidifying material supply device including a supplying machine that supplies the wet solidifying material carried out from the mixer of the solidifying material manufacturing machine to the spraying container.
Furthermore, the solidified material extracting unit has a screw conveyor of a screw mechanism, and the rotary shaft of the screw conveyor relates to the solidified material supply device in communication with the mixer.
【０００７】[0007]
【発明の実施の形態】以下、本発明の一実施例を示す図
面を参照して、固化材供給装置の詳細を説明する。図１
は本発明の固化材供給装置の概略構成図である。BEST MODE FOR CARRYING OUT THE INVENTION The solidification material supply device will be described in detail below with reference to the drawings illustrating an embodiment of the present invention. FIG.
FIG. 3 is a schematic configuration diagram of a solidified material supply device of the present invention.
【０００８】図１において、トラック１等の運搬車両の
荷台には後部に固化材製造機械２を、前部に固化材供給
機械３が積載されている。そして、固化材製造機械２の
主要部をなす固化材タンク４には、下部にスクリュ−機
構のスクリュ−コンベア５Ａを有す固化材抜き出し部５
が付設され、上部に体積が固化材タンク４の１／１０程
度の水タンク６が付設されている。また、固化材抜き出
し部５のスクリュ−コンベア５Ａの回転軸の延長上に
は、攪拌翼１８が取り付けられた混合機７が固化材タン
ク４に付設されている。さらに、混合機７には、固化材
タンク４の上部に付設された水タンク６からの水供給パ
イプ８が接続されており、この水供給パイプ８の途中に
は水量調節バルブ９が付設されている。なお、固化材タ
ンク４の後壁面には固化材供給口１０が、上壁面にはバ
ッグフィルタ１１が取り付けられている。In FIG. 1, a carrier of a transportation vehicle such as a truck 1 is loaded with a solidifying material manufacturing machine 2 at its rear portion and a solidifying material supply machine 3 at its front portion. Then, in the solidified material tank 4 which is a main part of the solidified material manufacturing machine 2, the solidified material extracting section 5 having a screw conveyor 5A of a screw mechanism at a lower portion thereof is provided.
Is attached, and a water tank 6 having a volume of about 1/10 of the solidifying material tank 4 is attached to the upper part. On the extension of the rotary shaft of the screw conveyor 5A of the solidified material extracting section 5, a mixer 7 having a stirring blade 18 is attached to the solidified material tank 4. Further, a water supply pipe 8 from a water tank 6 attached to the upper part of the solidifying material tank 4 is connected to the mixer 7, and a water amount control valve 9 is attached in the middle of the water supply pipe 8. There is. A solidified material supply port 10 is attached to the rear wall surface of the solidified material tank 4, and a bag filter 11 is attached to the upper wall surface.
【０００９】つぎに、ホッパ１２とシュ−ト１３が一体
構造になった固化材供給機械３の主要部である供給機１
４が図示されてない架台によってトラック１の荷台に固
定されている。そして、供給機１４のホッパ１２と固化
材製造機械２の混合機７の搬出口７Ａとの間にはベルト
コンベア１５が橋し渡されている。また、シュ−ト１３
には散布用容器のフレコン１６が吊り下げられるように
フック１７が取り付けられている。さらに、シュ−ト１
３内には図示されてない開閉用バルブが内蔵されてい
る。なお、上述のスクリュ−コンベア５Ａやベルトコン
ベア１５等の駆動機器の動力源はトラック１のエンジン
から供給される。Next, the feeder 1 which is the main part of the solidifying material feeding machine 3 in which the hopper 12 and the shoot 13 are integrally structured.
4 is fixed to the bed of the truck 1 by a gantry (not shown). A belt conveyor 15 is bridged between the hopper 12 of the feeder 14 and the carry-out port 7A of the mixer 7 of the solidified material manufacturing machine 2. Also, shoot 13
A hook 17 is attached to the flexible container 16 so that the flexible container 16 of the spray container can be suspended. In addition, shoot 1
An opening / closing valve (not shown) is built in the unit 3. The power source of the drive equipment such as the above-mentioned screw conveyor 5A and belt conveyor 15 is supplied from the engine of the truck 1.
【００１０】以上のように構成された固化材供給装置に
おいて、本装置の使用法をのべる。まず、固化材製造工
場で、セメント粉体は固化材供給口１０より発塵防止用
のバッグフィルタ１１の付いた固化材タンク４内に空気
圧送され、水は水タンク６に満載される。そして、固化
材製造機械２と固化材供給機械３からなる固化材製造装
置を積載したトラック１は、地盤改良施工個所にできる
だけ近くてトラック１が乗り入れ可能な地盤改良施工個
所近傍に運ばれる。地盤改良施工個所近傍では、固化材
タンク４内のセメント粉体が固化材抜き出し部５のスク
リュ−コンベア５Ａの作動によりスクリュ−回転軸に連
通した混合機７内へ搬送されるとともに、水タンク６内
の水も水供給パイプ８により混合機７内へ流入される。
この際、混合機７内へ流入される水量は、水量調節バル
ブ９によって、セメント粉体の５〜７重量％に調節され
る。混合機７で混合されたセメント粉体と水とからなる
湿潤固化材は、混合機７の搬出口７Ａより搬出され、ベ
ルトコンベア１５で供給機１４のホッパ１２に投入され
る。つぎに、供給機１４の湿潤固化材は、シュ−ト１３
内の開口された開閉バルブを通過してシュ−ト１３の出
口より、フック１７に吊り下げられた散布用容器のフレ
コン１６に充填される。なお、フレコン１６に充填され
た湿潤固化材は、バックホ−等で近くの地盤改良施工個
所に運ばれ散布および土と混合される。In the solidifying material supplying device constructed as described above, the usage of this device will be described. First, in a solidifying material manufacturing plant, cement powder is pneumatically fed from a solidifying material supply port 10 into a solidifying material tank 4 equipped with a bag filter 11 for preventing dust generation, and water is loaded in a water tank 6. Then, the truck 1 on which the solidified material manufacturing apparatus including the solidified material manufacturing machine 2 and the solidified material supply machine 3 is loaded is transported to the ground improvement construction site as close as possible to the ground improvement construction site where the truck 1 can enter. In the vicinity of the ground improvement construction site, the cement powder in the solidified material tank 4 is conveyed to the mixer 7 communicating with the screw rotating shaft by the operation of the screw conveyor 5A of the solidified material extracting section 5, and the water tank 6 The water inside also flows into the mixer 7 through the water supply pipe 8.
At this time, the amount of water flowing into the mixer 7 is adjusted by the water amount adjusting valve 9 to 5 to 7% by weight of the cement powder. The wet solidifying material composed of cement powder and water mixed by the mixer 7 is carried out from the carry-out port 7A of the mixer 7 and is charged into the hopper 12 of the feeder 14 by the belt conveyor 15. Next, the wet solidifying material of the feeder 14 is the shoe 13
After passing through an opening / closing valve opened inside, the flexible container 16 of the spray container suspended from the hook 17 is filled from the outlet of the shoe 13. The wet solidification material filled in the flexible container 16 is carried to a nearby ground improvement construction site by a backhoe or the like and mixed with the spray and soil.
【００１１】以上述べたように、本発明の固化材供給装
置を使用すれば、湿潤固化材を製造してフレコン１６に
充填するまで０．５時間以内に行うことができる。ま
た、トラック１が地盤改良施工個所の近傍に駐車するの
で、フレコン１６に充填された湿潤固化材を地盤改良施
工個所に散布して土と混合するのに長くても１時間以内
に行うことができる。したがって、セメントが水と反応
する湿潤固化材の固化材としての有効効果時間が、５時
間以内である制約条件は充分満足する。As described above, by using the solidifying material supplying device of the present invention, it is possible to manufacture the wet solidifying material and fill the flexible container 16 within 0.5 hours. Further, since the truck 1 is parked near the ground improvement construction site, it is possible to spray the wet solidified material filled in the flexible container 16 to the ground improvement construction site and mix it with the soil within at most one hour. it can. Therefore, the constraint condition that the effective effect time of the wet solidifying material in which cement reacts with water as the solidifying material is within 5 hours is sufficiently satisfied.
【００１２】[0012]
【発明の効果】以上説明したように、本発明に係わる固
化材供給装置は、固化材タンク、および水タンク、およ
び固化材と水を混合する混合機、および混合機から排出
された湿潤固化材を供給する供給機からなる一連の固化
材製造装置を運搬車両に積載しているので、地盤改良施
工個所の近傍で湿潤固化材が製造できる。そのため、湿
潤固化材を製造してから土への混合までの作業が短時間
に行うことができ、湿潤固化材の固化材としての効果が
充分発揮できる。したがって、安価で使い易く、取り扱
いが安全の上、地下水汚染の懸念もなく、防塵効果も高
い性状のセメントと水からなる湿潤固化材を表層地盤改
良工事に使用することができる。As described above, the solidifying material supply device according to the present invention is provided with a solidifying material tank, a water tank, a mixer for mixing the solidifying material and water, and a wet solidifying material discharged from the mixer. Since a series of solidifying material manufacturing apparatuses including a feeder for supplying the solidified material are loaded on the transportation vehicle, the wet solidifying material can be manufactured in the vicinity of the ground improvement construction site. Therefore, the work from the production of the wet solidifying material to the mixing with the soil can be performed in a short time, and the effect of the wet solidifying material as the solidifying material can be sufficiently exhibited. Therefore, a wet solidifying material composed of cement and water, which is inexpensive, easy to use, safe to handle, has no concern of groundwater contamination, and has a high dustproof effect, can be used for surface soil improvement work.
【図１】本発明の固化材供給装置の概略構成図。FIG. 1 is a schematic configuration diagram of a solidifying material supply device of the present invention.
１ トラック ２ 固化材製造機械 ３ 固化材供給機械 ４ 固化材タンク ５ 固化材抜き出し部 ５Ａ スクリュ−コンベア ６ 水タンク ７ 混合機 ８ 水供給パイプ ９ 水量調節バルブ １０ 固化材供給口 １１ バッグフィルタ １２ ホッパ １３ シュ−ト １４ 供給機 １５ ベルトコンベア １６ フレコン １７ フック １８ 攪拌翼 1 Truck 2 Solidifying Material Manufacturing Machine 3 Solidifying Material Supply Machine 4 Solidifying Material Tank 5 Solidifying Material Extracting Section 5A Screw Conveyor 6 Water Tank 7 Mixer 8 Water Supply Pipe 9 Water Volume Control Valve 10 Solidifying Material Supply Port 11 Bag Filter 12 Hopper 13 Shoot 14 Feeder 15 Belt conveyor 16 Flexible container 17 Hook 18 Stirring blade
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 // Ｃ０９Ｋ 103:00 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification number Agency reference number FI Technical display location // C09K 103: 00
Claims (4)
る固化材製造装置が運搬車両に積載されていることを特
徴とする固化材供給装置。1. A solidified material supply device comprising a solidified material manufacturing device, which comprises a solidified material manufacturing machine and a solidified material supply machine, mounted on a transportation vehicle.
下部に付設する固化材タンク、および水タンク、および
該固化材抜き出し部から送出された固化材のセメントと
該水タンクからの水を混合して湿潤固化材を製造する混
合機からなる請求項１に記載の固化材供給装置。2. A solidifying material manufacturing machine is provided with a solidifying material tank having a solidifying material discharging portion attached to a lower portion thereof, a water tank, and cement of the solidifying material sent from the solidifying material discharging portion and water from the water tank. The solidifying material supply device according to claim 1, comprising a mixer for producing a wet solidifying material by mixing.
合機から搬出された湿潤固化材を散布用容器に供給する
供給機からなる請求項１に記載の固化材供給装置。3. The solidification material supply device according to claim 1, wherein the solidification material supply machine comprises a supply machine for supplying the wet solidification material carried out from the mixer of the solidification material manufacturing machine to the spraying container.
スクリュ−コンベアを有し、該スクリュ−コンベアの回
転軸は混合機に連通している請求項１または２に記載の
固化材供給装置。4. The solidified material supplying device according to claim 1, wherein the solidified material extracting section has a screw conveyor of a screw mechanism, and a rotary shaft of the screw conveyor communicates with a mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14585096A JP3661716B2 (en) | 1996-06-07 | 1996-06-07 | Solidifying material supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14585096A JP3661716B2 (en) | 1996-06-07 | 1996-06-07 | Solidifying material supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09328747A true JPH09328747A (en) | 1997-12-22 |
| JP3661716B2 JP3661716B2 (en) | 2005-06-22 |
Family
ID=15394545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14585096A Expired - Lifetime JP3661716B2 (en) | 1996-06-07 | 1996-06-07 | Solidifying material supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3661716B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2334504A (en) * | 1999-04-23 | 1999-08-25 | Tarmac Uk Ltd | A vehicle and delivery apparatus |
| KR100476601B1 (en) * | 2002-05-07 | 2005-03-17 | 백정식 | A reinforcement injector for reinforcing a ground |
| JP2008055747A (en) * | 2006-08-31 | 2008-03-13 | Toyo Sutabi:Kk | Mixer for manufacturing wet cement and wet cement manufacturing equipment using the same |
| JP2008196175A (en) * | 2007-02-13 | 2008-08-28 | Toyo Sutabi:Kk | Wet cement producing apparatus |
| WO2016178692A1 (en) * | 2015-05-07 | 2016-11-10 | Halliburton Energy Services, Inc. | On-location sand delivery system & conveyor and process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007297090A (en) * | 2006-04-28 | 2007-11-15 | Toyo Sutabi:Kk | Granular substance tank, and wet granular substance manufacturing apparatus using the same |
-
1996
- 1996-06-07 JP JP14585096A patent/JP3661716B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2334504A (en) * | 1999-04-23 | 1999-08-25 | Tarmac Uk Ltd | A vehicle and delivery apparatus |
| KR100476601B1 (en) * | 2002-05-07 | 2005-03-17 | 백정식 | A reinforcement injector for reinforcing a ground |
| JP2008055747A (en) * | 2006-08-31 | 2008-03-13 | Toyo Sutabi:Kk | Mixer for manufacturing wet cement and wet cement manufacturing equipment using the same |
| JP2008196175A (en) * | 2007-02-13 | 2008-08-28 | Toyo Sutabi:Kk | Wet cement producing apparatus |
| WO2016178692A1 (en) * | 2015-05-07 | 2016-11-10 | Halliburton Energy Services, Inc. | On-location sand delivery system & conveyor and process |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3661716B2 (en) | 2005-06-22 |
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