JPH0430014A - Forming method for pile and forming construction method for foundation - Google Patents
Forming method for pile and forming construction method for foundationInfo
- Publication number
- JPH0430014A JPH0430014A JP13633690A JP13633690A JPH0430014A JP H0430014 A JPH0430014 A JP H0430014A JP 13633690 A JP13633690 A JP 13633690A JP 13633690 A JP13633690 A JP 13633690A JP H0430014 A JPH0430014 A JP H0430014A
- Authority
- JP
- Japan
- Prior art keywords
- depth
- ground
- injection
- foundation
- injection machine
- 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
- 238000000034 method Methods 0.000 title claims description 17
- 238000010276 construction Methods 0.000 title description 7
- 239000000126 substance Substances 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 12
- 239000008267 milk Substances 0.000 claims abstract description 12
- 210000004080 milk Anatomy 0.000 claims abstract description 12
- 235000013336 milk Nutrition 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims description 66
- 239000007924 injection Substances 0.000 claims description 66
- 239000003814 drug Substances 0.000 claims description 12
- 229940079593 drug Drugs 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 abstract description 20
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
- Foundations (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、土質改良およびパイルの形成方法と基礎の形
成工法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to soil improvement, a method for forming piles, and a method for forming foundations.
［従来の技術］
従来、この種のものにあっては、下記のようなものにな
っている。[Prior Art] Conventionally, this type of device is as follows.
ケーシングを打設した後、ケーシング内の土砂を排除し
、鉄筋や生コンを入れる工程となっている。After the casing is placed, the earth and sand inside the casing is removed, and reinforcing steel and ready-mixed concrete are inserted.
［発明が解決しようとする課題］
従来の技術で述べたものにあっては、下記のような問題
点を有していた。[Problems to be Solved by the Invention] The conventional techniques described above have the following problems.
大型の機械装置が必要である。Large mechanical equipment is required.
工事できる深さが限られる。The depth at which construction can be carried out is limited.
工事に手間と時間がかかる。Construction takes time and effort.
打設したケーシングを引抜かなければならない。The cast casing must be pulled out.
小径口［１５〜２０＋ｍｌのものは施工できない。Small diameter openings [15-20+ml cannot be used.
本願は、従来の技術の有するこのような問題点に鑑みな
されたものであり、その目的とするところは、上述の問
題を解決できるものを提供しようとするものである。The present application was made in view of the problems of the prior art, and its purpose is to provide a solution to the above-mentioned problems.
［課題を解決するための手段］
上記目的を達成するために、本発明のものは下記のよう
になるものである。[Means for Solving the Problems] In order to achieve the above object, the present invention is as follows.
第１発明は、下記の第１工程ないし第５工程からなるパ
イルの形成方法である。The first invention is a pile forming method comprising the following first to fifth steps.
第１工程
注入機１を地中２に、第１の深さ３Ａまで打込みながら
当該注入機の周囲に円筒状に第１次の薬剤４Ａを注入す
ること。First step: While driving the injection machine 1 into the ground 2 to a first depth of 3A, the first drug 4A is injected in a cylindrical shape around the injection machine.
第２工程
注入機１を地中２に、第１の深さ３Ａより深い第２の深
さ３Ｂまで打込みながら当該注入機の周囲に円筒状に第
２次の薬剤４Ｂを注入すること。Second step: While driving the injection machine 1 into the ground 2 to a second depth 3B deeper than the first depth 3A, a second drug 4B is injected in a cylindrical shape around the injection machine.
第３工程
注入機１を地中２に、第２の深さ３Ｂより深い第３の深
さ３Ｃまで打込みながら当該注入機の周囲に円筒状に第
３次の薬剤４Ｃを注入し、必要に応じて、注入圧を上げ
膨大した膨らみを形成すること。Third step: While driving the injection machine 1 into the ground 2 to a third depth 3C, which is deeper than the second depth 3B, the tertiary drug 4C is injected in a cylindrical shape around the injection machine, and as needed. Accordingly, increase the injection pressure to form a huge bulge.
第４工程
注入機１を地中２に、第３の深さ３Ｃより深い第４の深
さ３Ｄまで打込みながら第４次の薬剤４Ｄを注入するこ
と。Fourth step: Injecting the fourth chemical 4D while driving the injection machine 1 into the ground 2 to a fourth depth 3D deeper than the third depth 3C.
第５工程
注入機１を地中２から引抜きながら当該注入機１により
、セメントミルク５Ａを注入して、第５図のような杭体
５を形成すること。Fifth step Cement milk 5A is injected using the injector 1 while the injector 1 is pulled out of the ground 2 to form the pile body 5 as shown in FIG. 5.
第２発明は、下記の第１工程ないし第４工程からなる基
礎の形成工法である。The second invention is a method for forming a foundation comprising the following first to fourth steps.
第１工程
基礎の形成を所望する箇所に所定間隔をもって杭体５を
形成すること。First step: forming pile bodies 5 at predetermined intervals at locations where it is desired to form foundations.
第２工程 各杭体５の上端に鉄筋６を起立連設す ること。2nd process A reinforcing bar 6 is erected and connected to the upper end of each pile body 5. Things.
第３工程
隣接する各杭体５における鉄筋６を連結した状態にて、
基礎砂利７Ａをセメントミルク７Ｂで固化した基礎体７
を形成すること。Third step: With the reinforcing bars 6 in each adjacent pile body 5 connected,
Foundation body 7 made of foundation gravel 7A solidified with cement milk 7B
to form.
第４工程 基礎体７の上面に基礎コンクリート８を打設すること。4th step The foundation concrete 8 is placed on the upper surface of the foundation body 7.
［作用］ 効果と共に説明する。[Effect] I will explain it along with the effects.
［発明の実施例］ 実施例について図面を参照して説明する。[Embodiments of the invention] Examples will be described with reference to the drawings.
第１発明はパイルの形成方法で、第２発明は第１発明で
得たパイルを利用した基礎の形成工法に関するものであ
る。The first invention relates to a method for forming a pile, and the second invention relates to a method for forming a foundation using the pile obtained in the first invention.
パイルの形成方法は下記の通りである。The method for forming the pile is as follows.
第１工程
第１図を参照して、注入機１を地中２
に、第１の深さ３Ａまで打込みながら当該注入機の周囲
に円筒状に第１次の薬剤４Ａを注入する。First Step Referring to FIG. 1, while driving the injection device 1 into the ground 2 to a first depth of 3A, the first drug 4A is injected in a cylindrical shape around the injection device.
薬剤４Ａはケイ酸ソーダーとセメントミルクの混合液で
ある。Drug 4A is a mixture of sodium silicate and cement milk.
また、地中２は泥炭地あるいはシルト層である。Moreover, underground 2 is a peatland or a silt layer.
第２工程
第２図を参照して、注入機１を地中２
に、第１の深さ３Ａより深い第２の深さ３Ｂまで打込み
ながら当該注入機の周囲に円筒状に第２次の薬剤４Ｂを
注入する。2nd Step Referring to Fig. 2, while driving the injection machine 1 into the ground 2 to a second depth 3B which is deeper than the first depth 3A, a cylindrical secondary injection is performed around the injection machine. Inject drug 4B.
第３工程
第３図を参照して、注入機１を地中２
に、第２の深さ３Ｂより深い第３の深さ３Ｃまで打込み
ながら当該注入機の周囲に円筒状に第３次の薬剤４Ｃを
注入する。Third Step Referring to Figure 3, while driving the injection machine 1 into the ground 2 to a third depth 3C which is deeper than the second depth 3B, a tertiary cylindrical part is placed around the injection machine. Inject drug 4C.
この場合、注入圧を上げると、この薬剤４０部分のよう
に膨大した膨らみを形成することができる。In this case, if the injection pressure is increased, a huge bulge like the part of the drug 40 can be formed.
第４工程
第４図を参照して、注入機１を地中２
に、第３の深さ３Ｃより深い第４の深さ３Ｄまで打込み
ながら第４次の薬剤４Ｄを注入する。Fourth Step Referring to FIG. 4, the fourth chemical 4D is injected while driving the injector 1 into the ground 2 to a fourth depth 3D deeper than the third depth 3C.
第５工程
第４図を参照して、注入機１を地中２から引抜きながら
当該注入機１により、セメントミルク５Ａを注入して、
第５図のような杭体５を形成する。Fifth step Referring to FIG. 4, while pulling out the injector 1 from underground 2, inject the cement milk 5A with the injector 1,
A pile body 5 as shown in FIG. 5 is formed.
ここで、注入機１について説明する。Here, the injection machine 1 will be explained.
注入機１の構成について、
ＩＡは注入本管で、この注入本管は継ぎ足し自在に構成
されている。Regarding the configuration of the injection machine 1, IA is an injection main, and this injection main is configured to be able to be supplemented at will.
注入本管ＩＡの上端はＢ液用バルブＩＢを介してＢ液供
給パイプＩＣに連結されている。The upper end of the injection main pipe IA is connected to the B liquid supply pipe IC via the B liquid valve IB.
１Ｄはこの注入本管の下端に着脱自在に連結された刃先
で、下方に向け７字状の円錐状本体ＩＥの上面に、注入
本管ＩＡの下端開口部に螺合するネジ山部ＩＦを介して
、上方に向は逆Ｖ字状の円錐状部１丁が構成されている
。1D is a cutting edge detachably connected to the lower end of the injection main, and has a threaded portion IF screwed into the lower end opening of the injection main IA on the upper surface of the 7-shaped conical main body IE facing downward. A conical portion having an inverted V-shape is formed upwardly therebetween.
ＩＵは注入本管ＩＡの側壁下端近傍に周方向をもって開
設された適数個の薬液注出孔である。The IU is a suitable number of drug solution pouring holes opened in the circumferential direction near the lower end of the side wall of the injection main pipe IA.
１Ｇは注入本管内の下方部分に設けられた二液混合カー
トリッジで、注入本管内の中心に位置する芯ＩＨと、こ
の芯ＩＨの上下方向に適数段にわたって当該芯ＩＨを中
心として平面放射状に突出させたブラシ毛状の撹拌部材
１工とから構成され、かつ、芯ＩＨの上下部分には注入
本管ＩＡの内面に当接するスペーサーＩＪが取付けられ
ている。1G is a two-liquid mixing cartridge installed in the lower part of the injection main, with a core IH located at the center of the injection main, and an appropriate number of stages in the vertical direction of this core IH, arranged radially in a plane with the core IH as the center. It consists of a protruding brush-like stirring member, and spacers IJ are attached to the upper and lower parts of the core IH, which abut against the inner surface of the injection main pipe IA.
そして、との二液混合カートリッジＩＧの下端は、刃先
の上面に設けられた円錐状部ＩＴの上端に連結されたカ
ートリッジ支持シャフトＩＫで支持されている。The lower end of the two-liquid mixing cartridge IG is supported by a cartridge support shaft IK connected to the upper end of a conical portion IT provided on the upper surface of the cutting edge.
Ｂ液とは、例えば、セメントミルクである。The B liquid is, for example, cement milk.
１Ｌは注入本管ＩＡの上端より、当該注入本管ＩＡの軸
位置に引き込まれたＡ液注入用の注入内管で、この注入
内管ＩＬの下端ＩＭは二液混合カートリッジＩＧの上面
近傍で開口していると共に、注入本管ＩＡの上端はＡ液
用バルブＩＮを介してＡ液供給パイプ１０に連結されて
いる。1L is an injection inner tube for injecting liquid A that is drawn into the axial position of the injection main pipe IA from the upper end of the injection main pipe IA, and the lower end IM of this injection inner pipe IL is near the top surface of the two-liquid mixing cartridge IG. The upper end of the injection main pipe IA is open and connected to the A-liquid supply pipe 10 via the A-liquid valve IN.
Ａ液とは、例えば、ケイ酸ソーダーである。The A liquid is, for example, sodium silicate.
このＡ液注入用の注入内管は継ぎ足し自在に構成されて
いる。This injection inner tube for injecting liquid A is configured to be able to be supplemented at will.
そして、この注入内管ＩＬには注入本管ＩＡの内周面に
当接するスペーサーＩＰが取付けられている。A spacer IP that comes into contact with the inner peripheral surface of the main injection pipe IA is attached to the inner injection pipe IL.
このスペーサーＩＰは円盤状体の中心に注入内管ＩＬが
貫入され、その周囲には放射状に開口部が開口されてい
る。In this spacer IP, an injection inner pipe IL is inserted into the center of the disc-shaped body, and openings are opened radially around the inner injection pipe IL.
ＩＱは注入本管ＩＡにおける上方部分に水子状態で張設
された打撃伝導板である。IQ is an impact conduction plate that is stretched in a water-like manner in the upper part of the injection main IA.
ＩＲは注入本管ＩＡにおける打撃伝導板の張設位置から
上方へ所定間隔をもった位置に水平状態で張設された上
部スライドストッパーである。IR is an upper slide stopper that is stretched horizontally at a position at a predetermined distance above the tensioning position of the impact conduction plate in the injection main IA.
ＩＳは注入本管ＩＡに対して、打撃伝導板ＩＱとスライ
ドストッパーＩＲとの間に昇降自在に装着されているス
ライドハンマーである。IS is a slide hammer that is attached to the injection main IA between the impact conduction plate IQ and the slide stopper IR so as to be able to move up and down.
ここで、注入本管ＩＡと注入内管ＩＬの継ぎ足し構造に
ついて説明する。Here, the structure of adding the injection main pipe IA and the injection inner pipe IL will be explained.
注入本管ＩＡはスライドハンマーＩＳが取付けられてい
る上方部分ＩＡＩと、刃先ＩＤが取付けられている下方
部分ＩＡ２と、これら上方部分ＩＡＩと下方部分ＩＡ２
間に位置する中間部分ＩＡ３とから構成されている。The injection main IA has an upper part IAI to which the slide hammer IS is attached, a lower part IA2 to which the cutting edge ID is attached, and these upper part IAI and lower part IA2.
and an intermediate portion IA3 located in between.
注入内管ＩＬは注入本管ＩＡの上方部分ＩＡＩに対応す
る上方部分ＩＬＩと、注入本管ＩＡの下方部分ＩＡ２に
対応する下方部分ＩＬ２と、注入本管ＩＡの中間部分Ｉ
Ａ３に対応する中間部分ＩＬ３とから構成されている。The inner injection pipe IL has an upper part ILI corresponding to the upper part IAI of the injection main IA, a lower part IL2 corresponding to the lower part IA2 of the injection main IA, and an intermediate part I of the injection main IA.
It is composed of an intermediate portion IL3 corresponding to A3.
そして、下方に位置する各部分の上端に、内面にネジが
刻設されたソケットＳを設け、上方に位置する各部分の
下端外周にネジＭが刻設されている。A socket S with a screw cut into the inner surface is provided at the upper end of each portion located below, and a screw M is provided on the outer periphery of the lower end of each portion located above.
したがって、注入本管ＩＡにあっては、上方部分ＩＡＩ
と下方部分ＩＡ２間に所望する本数の中間部分ＩＡ３を
介在させることで長さを調整できる。Therefore, in the injection main IA, the upper part IAI
The length can be adjusted by interposing a desired number of intermediate portions IA3 between the lower portion IA2 and the lower portion IA2.
注入内管ＩＬにあっては、上方部分ＩＬＩと下方部分Ｉ
Ｌ２間に所望する本数の中間部分ＩＬ３を介在させるこ
とで長さを調整できる。The injection inner tube IL has an upper portion ILI and a lower portion I.
The length can be adjusted by interposing a desired number of intermediate portions IL3 between L2.
注入機ｌの作用について、
１）本願のものの刃先を下方に向け、垂直の状態で、ス
ライドハンマーＩＳで打撃伝導板ＩＱを打撃して地中に
打設する。Regarding the function of the injection machine I, 1) With the cutting edge of the present invention facing downward and in a vertical position, strike the impact conduction plate IQ with a slide hammer IS and drive it into the ground.
２）刃先が所定深度に達したとき、Ａ液とＢ液を圧入す
る。2) When the cutting edge reaches a predetermined depth, liquids A and B are injected under pressure.
３）Ａ液とＢ液は二液混合カートリッジＩＧで混合され
、薬液注出孔ＩＵから地中に押し出される。3) Liquids A and B are mixed in a two-liquid mixing cartridge IG, and are pushed out into the ground from the chemical solution outlet IU.
注入機１の効果について、 １）取扱いが簡単で、仮設備質が非常に少なくてすむ。Regarding the effect of injection machine 1, 1) It is easy to handle and requires very little temporary equipment.
２）他工法に比べて安価である。2) It is cheaper than other construction methods.
注入機１と第１工程から第４工程について、Ｂ液供給パ
イプＩＣとＡ液供給パイプ１０を使用して行なう。The injection machine 1 and the first to fourth steps are performed using the B liquid supply pipe IC and the A liquid supply pipe 10.
注入機１と第５工程について、Ｂ液供給バイブＩＣとＡ
液供給パイプ１０のうち、一方を閉じて他方を開き、こ
れを利用してセメントミルクを注入する。Regarding injection machine 1 and the 5th process, B liquid supply vibe IC and A
One of the liquid supply pipes 10 is closed and the other is opened, and cement milk is poured using this pipe.
１１は第１発明で得たパイルを利用した第２発明の工法
で形成された基礎である。11 is a foundation formed by the construction method of the second invention using the pile obtained in the first invention.
第６図、第７図を参照して、第２発明の基礎の形成工法
は下記の通りである。Referring to FIGS. 6 and 7, the method for forming the foundation of the second invention is as follows.
第１工程
基礎の形成を所望する箇所に所定間隔をもって杭体５を
形成する。First step: Pile bodies 5 are formed at predetermined intervals at locations where it is desired to form foundations.
第２工程 各杭体５の上端に鉄筋６を起立連設す る。2nd process A reinforcing bar 6 is erected and connected to the upper end of each pile body 5. Ru.
第３工程
隣接する各杭体５における鉄筋６を連結した状態にて、
基礎砂利７Ａをセメントミルク７Ｂで固化した基礎体７
を形成する。Third step: With the reinforcing bars 6 in each adjacent pile body 5 connected,
Foundation body 7 made of foundation gravel 7A solidified with cement milk 7B
form.
図中、７Ｃは注入パイプである。In the figure, 7C is an injection pipe.
第４工程 基礎体７の上面に基礎コンクリート８を打設する。4th step A foundation concrete 8 is placed on the upper surface of the foundation body 7.
［発明の効果］
本発明は、上述の通り構成されているので次に記載する
効果を奏する。[Effects of the Invention] Since the present invention is configured as described above, it produces the following effects.
ｌ）パイルの長さ、太さなどを自由に構成できるから、
顧客の希望する支持力を有するパイルや基礎を形成でき
る。l) You can freely configure the pile length, thickness, etc.
It is possible to form piles and foundations that have the supporting capacity desired by the customer.
２）振動や騒音などの発生がないから、工事現場の隣接
地域に迷惑をかけることがない。2) Since there is no vibration or noise, there will be no nuisance to the area adjacent to the construction site.
３）仮設の道路など付属設備を必要としない。3) No additional facilities such as temporary roads are required.
４）工期が短く、コストの低減を図ることができる。4) Construction period is short and costs can be reduced.
第１図、第２図、第３図、第４図、第５図はパイルの形
成方法の工程を順に説明す
る縦断面図、
第６図はパイルを利用した基礎の形成工法を説明する縦
断面図、
第７図はパイルを利用した基礎の一部を切欠いた斜視図
、
第８図は注入機全体の斜視図、
第９図は同上の下方部分を縦断した斜視図、第１０図は
上方部分を縦断した斜視図、第１１図は二液混合カート
リッジ部分を中心に見た一部を省略した縦断面図、
第１２図は注入本管と注入内管などの連結状態の一部を
切り欠いた要部の斜視図で
１ ・
２ 。
４Ａ。
４Ｂ。
４Ｃ。
４Ｄ。
５ 。
６ 。
７ 。
８ 。
１１ 。
ある。
注入機、
地中、
第１次の薬剤、
第２次の薬剤、
第３次の薬剤、
第４次の薬剤、
抗体、
鉄筋、
基礎体１
、基礎コンクリート１
、基礎。Fig. 1, Fig. 2, Fig. 3, Fig. 4, and Fig. 5 are longitudinal cross-sectional views explaining the steps of the pile forming method in order. Fig. 6 is a longitudinal cross-sectional view explaining the method of forming a foundation using piles. Figure 7 is a perspective view with a part of the foundation using piles cut away, Figure 8 is a perspective view of the entire injection machine, Figure 9 is a vertical cross-sectional perspective view of the lower part of the same, and Figure 10 is a perspective view of the foundation using piles. Fig. 11 is a vertical cross-sectional view of the two-liquid mixing cartridge with some parts omitted, and Fig. 12 shows a part of the connected state of the injection main pipe and the injection inner pipe. 1 and 2 are perspective views of the main parts cut away. 4A. 4B. 4C. 4D. 5. 6. 7. 8. 11. be. Injection machine, underground, 1st chemical, 2nd chemical, 3rd chemical, 4th chemical, antibody, reinforcing steel, foundation 1, foundation concrete 1, foundation.
Claims (1)
とするパイルの形成方法。 第１工程 注入機１を地中２に、第１の深さ３Ａまで 打込みながら当該注入機の周囲に円筒状に第１次の薬剤
４Ａを注入すること。 第２工程 注入機１を地中２に、第１の深さ３Ａより 深い第２の深さ３Ｂまで打込みながら当該注入機の周囲
に円筒状に第２次の薬剤４Ｂを注入すること。 第３工程 注入機１を地中２に、第２の深さ３Ｂより 深い第３の深さ３Ｃまで打込みながら当該注入機の周囲
に円筒状に第３次の薬剤４Ｃを注入し、必要に応じて、
注入圧を上げ膨大した膨らみを形成すること。 第４工程 注入機１を地中２に、第３の深さ３Ｃより 深い第４の深さ３Ｄまで打込みながら第４次の薬剤４Ｄ
を注入すること。 第５工程 注入機１を地中２から引抜きながら当該注 入機１により、セメントミルク５Ａを注入して、第５図
のような杭体５を形成すること。 ２、下記の第１工程ないし第４工程からなることを特徴
とする基礎の形成工法。 第１工程 基礎の形成を所望する箇所に所定間隔を もって杭体５を形成すること。 第２工程 各杭体５の上端に鉄筋６を起立連設するこ と。 第３工程 隣接する各杭体５における鉄筋６を連結し た状態にて、基礎砂利７Ａをセメントミルク７Ｂで固化
した基礎体７を形成すること。 第４工程 基礎体７の上面に基礎コンクリート８を打 設すること。[Scope of Claims] 1. A method for forming a pile, characterized by comprising the following first to fifth steps. First step: While driving the injection machine 1 into the ground 2 to a first depth of 3A, the first drug 4A is injected in a cylindrical shape around the injection machine. Second step: While driving the injection machine 1 into the ground 2 to a second depth 3B deeper than the first depth 3A, a second drug 4B is injected in a cylindrical shape around the injection machine. Third step: While driving the injection machine 1 into the ground 2 to a third depth 3C, which is deeper than the second depth 3B, the tertiary drug 4C is injected in a cylindrical shape around the injection machine, and as needed. depending on,
To increase the injection pressure and form a huge bulge. Fourth process While injecting the injection machine 1 into the ground 2 to a fourth depth 3D which is deeper than the third depth 3C, the fourth chemical 4D is added.
to inject. Fifth step Cement milk 5A is injected using the injector 1 while the injector 1 is pulled out of the ground 2 to form the pile body 5 as shown in FIG. 5. 2. A foundation forming method characterized by comprising the following first to fourth steps. First step: forming pile bodies 5 at predetermined intervals at locations where it is desired to form foundations. Second step: erecting reinforcing bars 6 at the upper end of each pile body 5. Third step: Forming the foundation body 7 by solidifying the foundation gravel 7A with cement milk 7B while connecting the reinforcing bars 6 of each adjacent pile body 5. Fourth step: Placing foundation concrete 8 on the upper surface of foundation body 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13633690A JPH0430014A (en) | 1990-05-24 | 1990-05-24 | Forming method for pile and forming construction method for foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13633690A JPH0430014A (en) | 1990-05-24 | 1990-05-24 | Forming method for pile and forming construction method for foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0430014A true JPH0430014A (en) | 1992-02-03 |
Family
ID=15172835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13633690A Pending JPH0430014A (en) | 1990-05-24 | 1990-05-24 | Forming method for pile and forming construction method for foundation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430014A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007193099A (en) * | 2006-01-19 | 2007-08-02 | Ricoh Co Ltd | Image forming apparatus, image forming method and process cartridge |
| US7713669B2 (en) | 2005-03-11 | 2010-05-11 | Fuji Xerox Co., Ltd. | Toner for developing electrostatic images, electrostatic image developer, and image-forming method |
| US7745085B2 (en) | 2006-07-28 | 2010-06-29 | Fuji Xerox Co., Ltd. | Toner for developing electrostatic latent image and method of manufacturing same, electrostatic latent image developer, cartridge, and image forming apparatus |
| US7901857B2 (en) | 2005-03-15 | 2011-03-08 | Fuji Xerox Co., Ltd. | Electrostatic latent image developing toner, production method thereof, electrostatic latent image developer, and image forming method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6322914A (en) * | 1986-07-16 | 1988-01-30 | Toa Gurauto Kogyo Kk | Friction-cutting work |
| JPS6480621A (en) * | 1987-06-12 | 1989-03-27 | Mitani Sekisan Kk | Working method of in-situ pile |
-
1990
- 1990-05-24 JP JP13633690A patent/JPH0430014A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6322914A (en) * | 1986-07-16 | 1988-01-30 | Toa Gurauto Kogyo Kk | Friction-cutting work |
| JPS6480621A (en) * | 1987-06-12 | 1989-03-27 | Mitani Sekisan Kk | Working method of in-situ pile |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7713669B2 (en) | 2005-03-11 | 2010-05-11 | Fuji Xerox Co., Ltd. | Toner for developing electrostatic images, electrostatic image developer, and image-forming method |
| US7901857B2 (en) | 2005-03-15 | 2011-03-08 | Fuji Xerox Co., Ltd. | Electrostatic latent image developing toner, production method thereof, electrostatic latent image developer, and image forming method |
| JP2007193099A (en) * | 2006-01-19 | 2007-08-02 | Ricoh Co Ltd | Image forming apparatus, image forming method and process cartridge |
| US7745085B2 (en) | 2006-07-28 | 2010-06-29 | Fuji Xerox Co., Ltd. | Toner for developing electrostatic latent image and method of manufacturing same, electrostatic latent image developer, cartridge, and image forming apparatus |
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