JPS6367328A - Construction of high-floor type tank foundation - Google Patents
Construction of high-floor type tank foundationInfo
- Publication number
- JPS6367328A JPS6367328A JP21068986A JP21068986A JPS6367328A JP S6367328 A JPS6367328 A JP S6367328A JP 21068986 A JP21068986 A JP 21068986A JP 21068986 A JP21068986 A JP 21068986A JP S6367328 A JPS6367328 A JP S6367328A
- Authority
- JP
- Japan
- Prior art keywords
- foundation
- tank
- excavated
- foundation slab
- ground
- 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
- 238000010276 construction Methods 0.000 title claims description 5
- 239000004576 sand Substances 0.000 claims abstract description 15
- 239000004567 concrete Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009412 basement excavation Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は高床式低温タンク等の基礎施工方法に係るもの
である。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a method for constructing a foundation for a raised-bed type low-temperature tank, etc.
（従来の技術）
従来この種の施工方法においては、タンク基礎地盤に基
礎杭を地盤面より杭頭部が７５？要高さ突出するように
貫入し、地盤面上に所要高さまで砂を盛）、基礎スラブ
の外周に同砂の崩れを防止する処置を施し、同砂上に基
礎スラブのコンクリートを打設したのち砂を除去してい
た。(Conventional technology) Conventionally, in this type of construction method, foundation piles are placed on the tank foundation ground so that the pile head is 75mm above the ground level. After penetrating the ground so that it protrudes to the required height and piling sand up to the required height on the ground surface, measures are taken to prevent the sand from collapsing around the outer periphery of the foundation slab, and concrete for the foundation slab is poured on top of the sand. Sand was being removed.
（発明が解決しようとする問題点）
従って基礎スラブ上のタンク躯体を建設する時期には、
基礎スラブ部分が地盤面より高い位置にあシ、同基礎ス
ラブ上にタンク躯体を据付ける際機材の搬出入が不便で
、タンク外からタンク躯体の所要の個所に接近し難く、
更にまた地盤面上に砂を盛上げるために、周辺の崩れ防
止装置を必要とする等の問題点があった。(Problem to be solved by the invention) Therefore, at the time of constructing the tank frame on the foundation slab,
The foundation slab is located higher than the ground level, making it inconvenient to carry equipment in and out when installing the tank body on the foundation slab, and it is difficult to access the required parts of the tank body from outside the tank.
Furthermore, in order to pile up the sand on the ground surface, there were other problems such as the need for surrounding collapse prevention devices.
（問題点を解決するための手段）
本発明はこのような問題点を解決するために提案された
高床式タンク基礎の施工方法に係）、地盤面をタンクの
基礎スンプの範囲に亘って、同基礎スラブの厚さと基礎
スンプの下部空間の高さとの合計深さまで掘削し、次い
で同掘削面より基礎杭を杭頭部が同面上に所要長突出す
るように貫入するとともに、同掘削面上に砂層よりカる
支保工を重層したのち、同支保工上に前記基礎スラブの
コンクリートを打設し、次いで同基礎スラブ上にタンク
据付工事を行うとともに、同タンクの外周地盤を前記掘
削面と同一深さまで掘削したのち、前記支保工を撤去す
ることによって、前記の問題点を解決するものである。(Means for Solving the Problems) The present invention relates to a method of constructing a raised-floor tank foundation proposed to solve the above-mentioned problems. Excavate to the total depth of the thickness of the foundation slab and the height of the space below the foundation dump, then penetrate the foundation pile from the same excavation surface so that the pile head protrudes the required length above the same surface, and After laying a layer of shoring that extends beyond the sand layer, concrete for the foundation slab is placed on top of the shoring, and then tank installation work is carried out on the foundation slab, and the outer ground of the tank is placed on the excavated surface. The above problem is solved by removing the shoring after excavating to the same depth.
（作用）
本発明においては前記したように、地盤面をタンクの基
礎スラブの範囲に亘って、同基礎スラブの厚さと基礎ス
ラブの下部空間の高さとの合計深さまで掘削し、同掘削
面を基準面として同面より基礎杭を杭頭部が所要長突出
するように貫入するとともに、砂層よりなる支保工を重
層し、しかるのち同支保工上に基礎スラブのコンクリー
トを打設して、基礎スラブの上面がほぼ原地盤面と一致
するようにし、基礎ス２プ上にタンクの据付工事を行な
うとともに、同タンクの外周地盤を前記掘削面まで掘削
したのち、前記砂層よりなる支保工を除去するものであ
る。(Function) As described above, in the present invention, the ground surface is excavated over the range of the foundation slab of the tank to the total depth of the thickness of the foundation slab and the height of the space below the foundation slab, and the excavated surface is The foundation pile is penetrated from the same plane as the reference plane so that the pile head protrudes the required length, and a support made of a sand layer is layered, and then concrete for the foundation slab is poured on the support, and the foundation is completed. The tank was installed on the foundation slab so that the top surface of the slab was almost flush with the original ground surface, and the ground around the tank was excavated to the excavation surface, and the shoring made of the sand layer was removed. It is something to do.
（発明の効果）
このように本発明の方法によれば、基礎スラブ上にタン
クを据付ける段階では基礎スラブ上面とその周辺地盤と
が同一レベルにあるので、タンク据付工事が容易になる
。(Effects of the Invention) As described above, according to the method of the present invention, the upper surface of the foundation slab and the surrounding ground are on the same level at the stage of installing the tank on the foundation slab, so the tank installation work becomes easy.
また基礎スラブのコンクリート打設のための砂層よりな
る支保工が、原地盤面に掘削された凹部に設けられるた
め、支保工の設置が容易になシ、また前記凹部によって
、タンク外周の防液堤内容積が増大することとなる。In addition, the shoring made of a sand layer for pouring concrete for the foundation slab is installed in a recess excavated in the ground surface, making it easy to install the shoring. The internal volume of the embankment will increase.
（実施例） 以下本発明を図示の実施例について説明する。(Example) The present invention will be described below with reference to the illustrated embodiments.
第１図は本発明の方法によって高床式タンクが完成した
状態を示し、原地盤面（α）より所要寸法だけ低く掘削
された掘削面（ａり上に１同面（αりより所要高さだけ
上方に１基礎杭（１）によって支持された鉄筋コンクリ
ート製基礎スラブ（２）上に夕／り躯体（Ａ）が据付け
られ、同タンク躯体（ｂ）の周囲には防液堤（３）が設
けられている。Figure 1 shows the state in which a raised-bed tank has been completed using the method of the present invention. The tank frame (A) is installed on a reinforced concrete foundation slab (2) supported by one foundation pile (1) upwards, and a liquid barrier (3) is built around the tank frame (b). It is provided.
而して前記高床式タンクの基礎の施工に際しては、先ず
基礎スラブ（２）の厚さと同スラブ（２）の下部空間の
高さの合計深さまで基礎スラブの範囲に亘って地盤面（
α）を掘削して掘削面（ｔＬうを形成する。Therefore, when constructing the foundation for the raised tank, first, the ground surface (
α) is excavated to form an excavated surface (tL).
次いで同掘削面（αりより所要位置毎に基礎杭（１）を
貫入する。この場合、杭頭部は基礎スラブ（２）との結
合を考慮した分だけ、掘削面（αり上に突出させておく
。Next, the foundation piles (1) are penetrated at the required positions from the same excavation surface (alpha). In this case, the pile head protrudes above the excavation surface (alpha I'll let it happen.
次いで掘削面（αう上に基礎スンプ（２）の下部空間の
高さに相当する深さに砂層よりなる支保工（４）を重層
し、同支保工（４）上に基礎スラブ（２）のコンクリー
トを打設する。この際、基礎スラブ（２）の周囲の凹所
（５）は掘削上等を利用して埋戻しておく。Next, a support (4) made of a sand layer is layered on top of the excavation surface (α) at a depth corresponding to the height of the space below the foundation slab (2), and a foundation slab (2) is placed on top of the support (4). Concrete is placed. At this time, the recess (5) around the foundation slab (2) is backfilled using excavation tops, etc.
しかるのち基礎スラブ（２）上にタンク躯体（ｂ）を据
付けるとともに同タンク躯体（ｂ）の周囲に防液堤（３
）を設け、同防液堤（３）内部の地盤を前記掘削面（α
りの高さと同一レベルまで掘削し、砂層よυなる支保工
（４）を撤去して全工程を完了する。After that, the tank body (b) is installed on the foundation slab (2), and a liquid barrier (3) is built around the tank body (b).
), and the ground inside the dike (3) is covered with the excavated surface (α
The entire process is completed by excavating to the same level as the sand layer and removing the shoring (4).
このように前記実施例の方法によれば、基礎スラブ（２
）上にタンク躯体＜ｈ＞を据付ける状態では第３図に示
すように、基礎スラブ（２）の上面とその周辺の地盤面
（α）とが同一レベルにあるので、タンク据付工事が容
易に行なわれる。As described above, according to the method of the above embodiment, the foundation slab (2
), the top surface of the foundation slab (2) and the surrounding ground surface (α) are on the same level, as shown in Figure 3, making tank installation work easier. It will be held in
また基礎スラブ（２）のコンクリート打設のための砂層
よりなる支保工（４）が凹所に設けられるので。In addition, a support (4) made of a sand layer for pouring concrete for the foundation slab (2) is provided in the recess.
同支保工（４）の設置が容易に行なわれ、更に前記凹所
により防液堤（３）内の容積が増大される。The shoring (4) can be easily installed, and the volume inside the dike (3) is increased by the recess.
第１図は本発明の施工法によって完成された高床式タン
ク基礎の縦断面図、第２図及び第３図は本発明の施工法
の工程を示す縦断面図である。
（α）・・・地盤面、（αつ・・・掘削面、Ｃｂ）・・
・タンク躯体、（１）・・・基礎杭、 （２）・・
・基礎スラブ、（４）・・・砂層よりなる支保工
復代理人弁理士 岡 本 重 文
外２名FIG. 1 is a vertical cross-sectional view of a raised tank foundation completed by the construction method of the present invention, and FIGS. 2 and 3 are vertical cross-sectional views showing the steps of the construction method of the present invention. (α)...ground surface, (α...excavation surface, Cb)...
・Tank frame, (1)...Foundation pile, (2)...
・Foundation slab, (4)... shoring made of sand layer Patent attorney Shige Okamoto 2 other persons
Claims (1)
ラブの厚さと基礎スラブの下部空間の高さとの合計深さ
まで掘削し、次いで同掘削面より基礎杭を杭頭部が同面
上に所要長突出するように貫入するとともに、同掘削面
上に砂層よりなる支保工を重層したのち、同支保工上に
前記基礎スラブのコンクリートを打設し、次いで同基礎
スラブ上にタンク据付工事を行うとともに、同タンクの
外周地盤を前記掘削面と同一深さまで掘削したのち、前
記支保工を撤去することを特徴とする高床式タンク基礎
の施工方法。Excavate the ground surface to the extent of the tank's foundation slab to a total depth of the thickness of the foundation slab and the height of the space below the foundation slab, and then install the foundation pile from the same excavation surface so that the pile head is on the same level. After penetrating the excavation so that it protrudes for the required length, and layering a shoring made of a sand layer on the same excavation surface, concrete for the foundation slab is placed on the shoring, and then tank installation work is carried out on the same foundation slab. A construction method for a raised-bed tank foundation, characterized in that, at the same time, the outer peripheral ground of the tank is excavated to the same depth as the excavation surface, and then the shoring is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21068986A JPS6367328A (en) | 1986-09-09 | 1986-09-09 | Construction of high-floor type tank foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21068986A JPS6367328A (en) | 1986-09-09 | 1986-09-09 | Construction of high-floor type tank foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6367328A true JPS6367328A (en) | 1988-03-26 |
Family
ID=16593474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21068986A Pending JPS6367328A (en) | 1986-09-09 | 1986-09-09 | Construction of high-floor type tank foundation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6367328A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0688222A (en) * | 1992-07-21 | 1994-03-29 | Nachi Fujikoshi Corp | Sputter ion plating device |
| KR100967947B1 (en) | 2009-11-30 | 2010-07-07 | (주)영신디엔씨 | Slab construction method depending on sand for lpg tank foundation |
| US7819272B2 (en) | 2005-03-16 | 2010-10-26 | Toyota Jidosha Kabushiki Kaisha | Fuel tank structure |
| US8590565B2 (en) | 2007-11-27 | 2013-11-26 | Honda Motor Co., Ltd. | Fuel tank |
-
1986
- 1986-09-09 JP JP21068986A patent/JPS6367328A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0688222A (en) * | 1992-07-21 | 1994-03-29 | Nachi Fujikoshi Corp | Sputter ion plating device |
| US7819272B2 (en) | 2005-03-16 | 2010-10-26 | Toyota Jidosha Kabushiki Kaisha | Fuel tank structure |
| US8590565B2 (en) | 2007-11-27 | 2013-11-26 | Honda Motor Co., Ltd. | Fuel tank |
| KR100967947B1 (en) | 2009-11-30 | 2010-07-07 | (주)영신디엔씨 | Slab construction method depending on sand for lpg tank foundation |
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