JPS6143491B2 - - Google Patents
Info
- Publication number
- JPS6143491B2 JPS6143491B2 JP5181482A JP5181482A JPS6143491B2 JP S6143491 B2 JPS6143491 B2 JP S6143491B2 JP 5181482 A JP5181482 A JP 5181482A JP 5181482 A JP5181482 A JP 5181482A JP S6143491 B2 JPS6143491 B2 JP S6143491B2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- anchor
- driving
- rubber plate
- steel sheet
- 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.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000004576 sand Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 239000003673 groundwater Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 101100008050 Caenorhabditis elegans cut-6 gene Proteins 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Description
【発明の詳細な説明】
この発明は、主として砂質地盤におけるアース
アンカー打設方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention mainly relates to a method for driving an earth anchor in sandy ground.
地盤が砂質であつても、比較的高いレベルでの
アンカー打設は問題なく行なえるほどに現在の技
術は進歩している。しかし、比較的深い個処での
アンカー打設においては、地下水位がアンカー打
設位置より高い場合がある。この場合には、アン
カー打設のため、鋼矢板に200×250mmほどの穴を
明けると、削孔開始により、削孔水および地下水
と共に砂が多量に流出し、鋼矢板背面の地盤沈
下、陥没をまねく。もし、上記鋼矢板が官民境界
にあると、他人の建造物、構築物に重大な悪影響
があるので、アンカー打設が不可能である。 Current technology has advanced to the point where anchors can be placed at relatively high levels without any problems even when the ground is sandy. However, when anchoring at a relatively deep location, the groundwater level may be higher than the anchoring location. In this case, when a hole of approximately 200 x 250 mm is drilled in the steel sheet pile for anchor driving, a large amount of sand flows out along with drilling water and groundwater, causing ground subsidence and cave-ins behind the steel sheet pile. cause If the above-mentioned steel sheet pile is located at the public-private boundary, it would be impossible to anchor it because it would have a serious negative impact on other people's buildings and structures.
この発明は上記事情にもとづいてなされたもの
で、アンカー打設の間、このために鋼矢板に穿つ
た孔は、必要個処以外出来るだけ閉塞状態を維持
できるようにして、砂などの流出を防止した状態
でアンカー打設作業ができるようにしたアースア
ンカー打設方法を提供しようとするものである。 This invention was made based on the above-mentioned circumstances, and during anchor driving, the holes drilled in the steel sheet piles are kept as closed as possible except in necessary areas to prevent sand, etc. from flowing out. It is an object of the present invention to provide a ground anchor driving method that allows anchor driving work to be performed in a state where the anchor is prevented.
以下、この発明を図示の実施例にもとづいて具
体的に説明する。図において、符号１は鋼矢板で
あり、アンカー打設位置の両側には予めスライド
ガイド２を構成するアングル鋼材が熔着されてい
る。しかして、このスライドガイド２間に位置し
て上記鋼矢板１にアンカー打設のための穴３を穿
設する。そして、予め、上記穴３に対応する孔
３′を有する鉄板４を用意して置き、この鉄板４
には、上記孔３′を閉塞するネオプレートなどの
ゴム板５が装着してあり、上記ゴム板５には孔
３′の中央から放射方向に切割り６を形成してあ
つて、上記鉄板４を上記スライドガイド２に両側
をスライドさせつつ鋼矢板１に重ねる時、穴３に
孔３′が対応し、上記ゴム板５で穴３を閉塞す
る。 Hereinafter, the present invention will be specifically explained based on illustrated embodiments. In the figure, reference numeral 1 denotes a steel sheet pile, and angle steel members constituting the slide guide 2 are welded in advance to both sides of the anchor driving position. Then, a hole 3 for driving an anchor is bored in the steel sheet pile 1 between the slide guides 2. An iron plate 4 having a hole 3' corresponding to the hole 3 is prepared and placed in advance, and this iron plate 4
is equipped with a rubber plate 5 such as Neoplate that closes the hole 3', and a cut 6 is formed in the rubber plate 5 in a radial direction from the center of the hole 3'. 4 is stacked on the steel sheet pile 1 while sliding both sides on the slide guide 2, the hole 3' corresponds to the hole 3, and the hole 3 is closed with the rubber plate 5.
この状態で削孔、鋼線挿入、モルタル注入、ケ
ーシング引抜きなどのアンカー打設作業を行なう
のであるが、上記穴３は切割り６を介してゴム板
５を押しのけてアンカー打設作業が行なわれる個
処以外は、上記ゴム板５で閉塞されているから、
砂などが地下水、削孔水と共に上記穴３を介して
流出するのを充分に防止できる。このようにして
アンカー打設が終了したならば、上記孔３′は、
先きの鉄板４から切取つた部片４′によつて閉塞
され、上記鉄板に部片４′を熔着することで、実
質的に穴３は閉塞される。 In this state, anchor driving operations such as drilling holes, inserting steel wires, injecting mortar, and pulling out the casing are performed, and the anchor driving operations are performed by pushing the rubber plate 5 away from the hole 3 via the cut 6. Since the parts other than the individual parts are closed by the rubber plate 5,
It is possible to sufficiently prevent sand and the like from flowing out through the hole 3 together with groundwater and drilling water. After anchor casting is completed in this way, the hole 3' is
The hole 3 is closed by the piece 4' cut out from the iron plate 4, and by welding the piece 4' to the iron plate, the hole 3 is substantially closed.
実際の施工結果でも、削孔により発生する残土
以外の砂はほとんど流出されることがなく、作業
完了後は鉄板４が部片４′に熔着されることで、
完全に砂の流出が防止された。 Even in the actual construction results, almost no sand other than the residual soil generated by drilling is washed away, and after the work is completed, the iron plate 4 is welded to the piece 4'.
Sand outflow was completely prevented.
この発明は、以上詳述したように、鋼矢板にア
ースアンカー打設用の穴明けを行ない、この個処
に放射状の切割りを行なつたゴム板を装着し、上
記切割りを介してゴム板を押しのけながらアース
アンカーの打設を行ない、打設後はアンカーの鋼
線部分のみをさけて上記穴明け個処に鉄板を装着
し、閉塞することにより、アースアンカー打設
時、砂の流出を防止でき、たとえ、アンカー打設
位置より上に地下位水位があつても、砂質地盤に
けるアンカー打設が行なえるという効果が得られ
る。 As described in detail above, this invention involves drilling a hole in a steel sheet pile for installing an earth anchor, attaching a rubber plate with radial cuts to the hole, and inserting the rubber plate through the cut. Driving the earth anchor while pushing away the board, and after driving the hole, attach a steel plate to the above-mentioned hole, avoiding only the steel wire part of the anchor, and block it to prevent sand from flowing out when driving the earth anchor. Even if there is a subsurface water level above the anchor placement position, the anchor can be placed in sandy ground.
第１図は、この発明の一実施例を示す縦断側面
図、第２図は、要部の斜視図、第３図は、同要部
におけるゴム板の装着状況を示す斜視図、第４図
は、鉄板による閉塞状態を示す斜視図である。
１……鋼矢板、３……穴、３′……孔、４……
鉄板、４′……切片、５……ゴム板、６……切割
り。
FIG. 1 is a vertical sectional side view showing an embodiment of the present invention, FIG. 2 is a perspective view of the main part, FIG. 3 is a perspective view showing how the rubber plate is attached to the main part, and FIG. FIG. 2 is a perspective view showing a closed state by an iron plate. 1... Steel sheet pile, 3... Hole, 3'... Hole, 4...
Iron plate, 4'... section, 5... rubber plate, 6... section.
Claims (1)
ない、この個処に放射状の切割りを行なつたゴム
板を装着し、上記切割りを介してゴム板を押しの
けながらアースアンカーの打設を行ない、打設後
はアンカーの鋼線部分のみをさけて上記穴明け個
処に鉄板を装着し、閉塞することを特徴とするア
ースアンカー打設方法。1 Drill a hole in the steel sheet pile for driving the earth anchor, attach a rubber plate with radial cuts to this hole, and drive the earth anchor while pushing the rubber plate away through the cut. and after driving, a steel plate is attached to the hole where the hole is made, avoiding only the steel wire portion of the anchor, and the hole is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5181482A JPS58168721A (en) | 1982-03-30 | 1982-03-30 | Driving method of earth anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5181482A JPS58168721A (en) | 1982-03-30 | 1982-03-30 | Driving method of earth anchor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58168721A JPS58168721A (en) | 1983-10-05 |
| JPS6143491B2 true JPS6143491B2 (en) | 1986-09-27 |
Family
ID=12897371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5181482A Granted JPS58168721A (en) | 1982-03-30 | 1982-03-30 | Driving method of earth anchor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58168721A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60233226A (en) * | 1984-05-01 | 1985-11-19 | Kumagai Gumi Ltd | Sealing structure for landslide protection wall anchor insertion hole |
| CN101942834B (en) * | 2010-08-19 | 2011-11-16 | 上海强劲地基工程股份有限公司 | Anchor rod construction method for preventing water running and sand jetting during drilling hole |
-
1982
- 1982-03-30 JP JP5181482A patent/JPS58168721A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58168721A (en) | 1983-10-05 |
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