JPH0336586Y2 - - Google Patents
Info
- Publication number
- JPH0336586Y2 JPH0336586Y2 JP10661886U JP10661886U JPH0336586Y2 JP H0336586 Y2 JPH0336586 Y2 JP H0336586Y2 JP 10661886 U JP10661886 U JP 10661886U JP 10661886 U JP10661886 U JP 10661886U JP H0336586 Y2 JPH0336586 Y2 JP H0336586Y2
- Authority
- JP
- Japan
- Prior art keywords
- water
- stop
- underground continuous
- continuous wall
- precast concrete
- 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
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Description
【考案の詳細な説明】
「産業上の利用分野」
本考案は、地中連続壁の止水エクスパンシヨン
ジヨイントに係るものである。[Detailed description of the invention] "Industrial application field" The present invention relates to a water-stop expansion joint for an underground continuous wall.
「従来の技術と考案が解決しようとする問題点」
各種コンクリート建築物において、本体の構築
に先立つて、その周囲に、土止め等のために地中
連続壁が設けられることがある。``Problems to be solved by conventional techniques and ideas'' In various concrete buildings, prior to construction of the main body, an underground continuous wall is sometimes installed around the building for earth retention, etc.
近年、この地中連続壁を本体の地中外壁に利用
するようになつてきているが、例えば、一連の地
中連続壁上に、複数の地上構造物を設ける場合等
には、耐震上からそれぞれに対応する地中連続壁
部分を相互に分割し、エクスパンシヨンジヨイン
トで結合する必要がある。しかし、この場合、地
中のために、止水性に問題があり、地上で行われ
ている技術をそのまま採用することはできない。 In recent years, this underground continuous wall has come to be used as the underground outer wall of the main body, but for example, when installing multiple above-ground structures on a series of underground continuous walls, it is necessary to It is necessary to separate the corresponding underground wall sections and connect them with expansion joints. However, in this case, since it is underground, there is a problem with water-tightness, and the technology used above ground cannot be directly adopted.
本考案は、斯る問題点を解決しようとするもの
である。 The present invention attempts to solve such problems.
「問題点を解決するための手段」
本考案は、一対のジヨイント用鉄骨１ａ，１ｂ
の各一半に、構築する地中連続壁の幅と高さに適
したプレキヤストコンクリートブロツク２ａ，２
ｂを付設して相互に対面させ、また、両プレキヤ
ストコンクリートブロツク２ａ，２ｂ間に可撓性
を有するゴム等の止水膜３，３を架設して成る。"Means for solving problems" The present invention is based on a pair of joint steel frames 1a and 1b.
Precast concrete blocks 2a, 2 suitable for the width and height of the underground wall to be constructed are placed in each half of
b are attached to face each other, and water-stop membranes 3, 3 made of flexible rubber or the like are installed between both precast concrete blocks 2a, 2b.
「作用」
如上の構成であり、使用に当たつては、予め形
成された掘削溝Ｃの適所に、それぞれのジヨイン
ト用鉄骨１ａ，１ｂの他半を溝方向に向けて挿入
し、双方の地中連続壁部分Ａ，Ｂを構築する。"Operation" The structure is as described above, and in use, the other half of each joint steel frame 1a, 1b is inserted into the appropriate position of the pre-formed excavation groove C, facing the direction of the groove, and both ground Construct medium continuous wall parts A and B.
これにより、各プレキヤストコンクリートブロ
ツク２ａ，２ｂに各地中連続壁部分Ａ，Ｂが結合
され、両プレキヤストコンクリートブロツク２
ａ，２ｂ間が止水膜３，３で連なり、該止水膜が
相互間の止水をし、かつ、相互の地中連続壁部分
Ａ，Ｂの個別の動きを許容する。 As a result, continuous wall sections A and B are connected to each precast concrete block 2a and 2b, and both precast concrete blocks 2a and 2b are connected to each other.
A and 2b are connected by water-stop membranes 3, 3, and the water-stop membranes shut off water between each other, and allow the mutual movement of the underground continuous wall portions A and B.
「実施例」
第１図は、地中連続壁における直線部分に、ま
た、第２図は、Ｔ字状部分に、本考案に係る止水
エクスパンシヨンジヨイントＪを用いた例を示し
ている。``Example'' Figure 1 shows an example in which the water-stop expansion joint J according to the present invention is used in a straight section of an underground continuous wall, and Figure 2 in a T-shaped section. There is.
この止水エクスパンシヨンジヨイントＪは、第
３図に示すように、Ｈ型鋼の一対のジヨイント用
鉄骨１ａ，１ｂを設け、該鉄骨には、各フランジ
の内面にコ字状の面内コネクタ４ａ……，４ｂ…
…を溶接し（第５図参照）、該面内コネクタが突
出する各一半に、構築すべき地中連続壁の幅と高
さに適合したプレキヤストコンクリートブロツク
２ａ，２ｂを付設して相互に対面させている。 As shown in Fig. 3, this water-stop expansion joint J is provided with a pair of joint steel frames 1a and 1b of H-shaped steel, and each steel frame has a U-shaped in-plane connector on the inner surface of each flange. 4a..., 4b...
... (see Figure 5), and precast concrete blocks 2a and 2b that match the width and height of the underground continuous wall to be constructed are attached to each half from which the in-plane connector protrudes, and are connected to each other. I'm having them face to face.
また、両鉄骨１ａ，１ｂの対向するフランジ相
互間に、それぞれゴムシート等の可撓性を有する
止水膜３，３を接着、融着、係止等の適宜取付け
手段にて固定して架設し、その取付け部分を一半
の面内コネクタ４ａ……，４ｂ……と共に各プレ
キヤストコンクリートブロツク２ａ，２ｂ中に埋
入させている。つまり、両プレキヤストコンクリ
ートブロツク２ａ，２ｂ間に、２本の止水膜３，
３を架設しているのである。なお、鉄骨１ａ，１
ｂには、第５図に二点鎖線で示すように、スタツ
ド６……を立ててコンクリートの付着性を高めて
もよい。 In addition, flexible waterproof membranes 3, 3 such as rubber sheets are fixed between the opposing flanges of both steel frames 1a, 1b using appropriate attachment means such as adhesion, fusion, and locking. However, the mounting portion is embedded in each precast concrete block 2a, 2b together with one half of the in-plane connectors 4a, 4b, . In other words, between both precast concrete blocks 2a and 2b, there are two water-stop films 3,
3 is being constructed. In addition, steel frames 1a, 1
For b, studs 6 may be erected to improve the adhesion of the concrete, as shown by the two-dot chain line in FIG.
更に、両プレキヤストコンクリートブロツク２
ａ，２ｂ間に、止水膜３，３の内側にて発泡スチ
ロール等のバツクアツプ材５を内装している。 Furthermore, both precast concrete blocks 2
A back-up material 5 such as styrene foam is installed inside the water-stop membranes 3 and 3 between a and 2b.
而して、当該止水エクスパンシヨンジヨイント
Ｊは、一方の地中連続壁部分Ａの構築に際して、
掘削溝Ｃ内の要部に鉄筋籠A1を設置すると同時
に、その掘削溝の端部近傍へ挿入する。また、そ
の掘削溝の端部に砂利Ｄを充填して止水エクスパ
ンシヨンジヨイントＪを支持し、掘削溝の要部に
コンクリートA2を打設し、硬化させて、一方の
地中連続壁部分Ａを構築する。 Therefore, when constructing one of the underground continuous wall sections A, the water stop expansion joint J is
The reinforcing bar cage A 1 is installed in the main part of the excavated groove C, and at the same time, it is inserted near the end of the excavated groove. In addition, the end of the excavated trench is filled with gravel D to support the water-stop expansion joint J, and concrete A 2 is placed in the main part of the excavated trench and hardened to form one underground continuous section. Build wall section A.
次に、砂利Ｄを充填した上記掘削溝Ｃの端部に
連ねて更に掘削溝を掘り進め、その砂利Ｄも除去
し、その掘削溝内に鉄筋籠B1を設置し、かつ、
コンクリートB2を打設し、硬化させて、他方の
地中連続壁部分Ｂを構築する。 Next, an excavation groove is further dug in line with the end of the excavation groove C filled with gravel D, the gravel D is also removed, and a reinforcing bar cage B 1 is installed in the excavation groove, and
Concrete B 2 is poured, hardened, and the other continuous underground wall section B is constructed.
第６図、第７図は、本考案と直接に関係はない
が、掘削溝の掘削時又は掘削後に止水膜を施工す
る方法を示している。 Although not directly related to the present invention, FIGS. 6 and 7 show a method of applying a water stop film during or after excavating an excavation trench.
第６図は、地中連続壁の施工前又は施工後に、
一方と他方の地中連続壁部分Ａ，Ｂの結合部にお
いて、その背後の地盤に止水薬液を注入して地盤
改良すなわち止水処理７を施し、その結合部の空
間に発泡スチロール等の止水充填材８を充填する
ものである。 Figure 6 shows the conditions before or after the construction of the underground continuous wall.
At the joint between one and the other underground continuous wall sections A and B, a water stop chemical solution is injected into the ground behind the joint to improve the ground, that is, water stop treatment 7, and the space at the joint is sealed with Styrofoam, etc. It is used to fill the filler 8.
第７図は、第６図の場合において、止水充填材
に代えて止水膜９を用い、該止水膜を後打ちコン
クリート１０，１０で支持したものである。１
１，１１は、打込み金物である。 FIG. 7 shows a case in which a water-stop film 9 is used instead of the water-stop filler in the case of FIG. 6, and the water-stop film is supported by post-cast concrete 10, 10. 1
1 and 11 are hammered hardware.
「考案の効果」
本考案によれば、エクスパンシヨンジヨイント
を必要とする地中連続壁の結合部を支障なく結合
でき、止水性を損わない。したがつて、地中連続
壁の本体利用の可能性を拡大でき、また、その本
体利用により建築物の工期の短縮及びコストダウ
ンを図ることができる。"Effects of the Invention" According to the invention, the connecting parts of underground continuous walls that require expansion joints can be connected without any problem, without impairing water-stopping properties. Therefore, the possibility of using the main body of the underground continuous wall can be expanded, and by using the main body, it is possible to shorten the construction period and reduce the cost of the building.
第１図乃至第５図は、本考案の実施例を示し、
第１図、第２図は、使用説明図、第３図は、使用
状態における拡大横断平面図、第４図は、地中連
続壁の構築途上の拡大横断平面図、第５図は、要
部部材の斜視図、第６図、第７図は、それぞれ本
考案と関連する施工法を示す説明図である。
１ａ，１ｂ……ジヨイント用鉄骨、２ａ，２ｂ
……プレキヤストコンクリートブロツク、３……
止水膜、４ａ，４ｂ……面内コネクタ、５……バ
ツクアツプ材、６……スタツド、７……止水処
理、８……止水充填材、９……止水膜、１０……
後打ちコンクリート、１１……打込み金物。
1 to 5 show embodiments of the present invention,
Figures 1 and 2 are explanatory diagrams for use, Figure 3 is an enlarged cross-sectional plan view in the state of use, Figure 4 is an enlarged cross-sectional view during the construction of the underground continuous wall, and Figure 5 shows the main points. The perspective view of the parts, FIG. 6, and FIG. 7 are explanatory views showing construction methods related to the present invention, respectively. 1a, 1b... Steel frame for joint, 2a, 2b
...Precast concrete block, 3...
Water-stop film, 4a, 4b... In-plane connector, 5... Back-up material, 6... Stud, 7... Water-stop treatment, 8... Water-stop filler, 9... Water-stop film, 10...
Post-cast concrete, 11...Poured hardware.
Claims (1)
に、構築する地中連続壁の幅と高さに適したプレ
キヤストコンクリートブロツク２ａ，２ｂを付設
して相互に対面させ、また、両プレキヤストコン
クリートブロツク２ａ，２ｂ間に可撓性を有する
ゴム等の止水膜３，３を架設したことを特徴とす
る地中連続壁の止水エクスパンシヨンジヨイン
ト。 Precast concrete blocks 2a and 2b suitable for the width and height of the underground continuous wall to be constructed are attached to each half of the pair of joint steel frames 1a and 1b so as to face each other, and both precast concrete blocks are A water-stop expansion joint for an underground continuous wall, characterized in that water-stop membranes 3, 3 made of flexible rubber or the like are installed between 2a and 2b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10661886U JPH0336586Y2 (en) | 1986-07-11 | 1986-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10661886U JPH0336586Y2 (en) | 1986-07-11 | 1986-07-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6314636U JPS6314636U (en) | 1988-01-30 |
| JPH0336586Y2 true JPH0336586Y2 (en) | 1991-08-02 |
Family
ID=30982146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10661886U Expired JPH0336586Y2 (en) | 1986-07-11 | 1986-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336586Y2 (en) |
-
1986
- 1986-07-11 JP JP10661886U patent/JPH0336586Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6314636U (en) | 1988-01-30 |
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