JP3252365B2 - Pillar structure of sheet pile type support for excavation trench - Google Patents
Pillar structure of sheet pile type support for excavation trenchInfo
- Publication number
- JP3252365B2 JP3252365B2 JP32943295A JP32943295A JP3252365B2 JP 3252365 B2 JP3252365 B2 JP 3252365B2 JP 32943295 A JP32943295 A JP 32943295A JP 32943295 A JP32943295 A JP 32943295A JP 3252365 B2 JP3252365 B2 JP 3252365B2
- Authority
- JP
- Japan
- Prior art keywords
- support
- column
- sheet pile
- locking
- strut
- 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 - Fee Related
Links
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
【0001】[0001]
【発明の属する技術分野】本発明は、ガス管,上・下水
道管,電線・電話ケーブル等の埋設管の敷設に際し、溝
掘削時に使用する矢板式支保工の支柱構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet pile type support structure used for digging trenches when laying buried pipes such as gas pipes, water and sewer pipes, electric wires and telephone cables.
【0002】[0002]
【従来の技術】埋設管の敷設工事の多くは通常開削工法
により行われており、従来から行われている代表的な工
法として、例えば、管埋設深さまで掘削した溝の両側に
矢板を並べて打ち込み、腹起こし材をこれに沿って水平
に当てがい、溝内において対向する腹起こし材間を切梁
で支持して土圧による矢板の倒れ込みを防止しつつ、埋
設管の延長方向に掘削を進行する方法がある。2. Description of the Related Art Most of the laying work of buried pipes is usually carried out by an open-cutting method. As a typical method which has been conventionally carried out, for example, sheet piles are arranged on both sides of a trench excavated to a pipe burial depth and driven. , And apply the hovering material horizontally along it, and support the gap between the opposing hovering materials in the groove with cutting beams to prevent excavation of the sheet pile due to earth pressure, and proceed with excavation in the extension direction of the buried pipe There is a way to do that.
【0003】この工法の一例を図13に示す。この工法
は、掘削溝の内壁に沿って一定間隔で相対向して矢板用
支柱41を設け、この相対向する支柱41の間隔を保持
するために矢板用支柱に水平に切梁42aを架設し、掘
削溝の同じ側の支柱間に前記切梁42aと同じ位置にお
いて取り付けた腹起こし材43と、掘削溝と腹起こし材
43との間に配列された複数の矢板44とによって土圧
による矢板の倒れ込みを防止するようにした溝掘削工法
である。FIG. 13 shows an example of this method. According to this method, a sheet pile support 41 is provided at predetermined intervals along the inner wall of the excavation trench, and a cutting beam 42a is horizontally laid on the sheet pile support to maintain the space between the opposed supports 41. The flared material 43 attached between the struts on the same side of the excavation groove at the same position as the cutting beam 42a, and the plurality of sheet piles 44 arranged between the excavated groove and the flared material 43 form a sheet pile by earth pressure. This is a trench excavation method to prevent falling.
【0004】このようにして埋設管を掘削溝内に敷設す
る場合は、先ず矢板用支柱41頂部に継ぎ足し支柱45
を取り付け、管を上段側の切梁42a位置まで取り込ん
だのち、継ぎ足し支柱45間に別の切梁42cを取り付
けて、上段側の切梁42aの荷重をこの継ぎ足し支柱間
切梁42cに預け、切梁42aを取り外して管を下方に
取り込む。次に上段側の切梁42aを所定位置に復旧し
て下段側の切梁42bの荷重を上段側の切梁42aに預
け、然るのち下段側の切梁42bを取り外して管を溝内
の所定位置に敷設する。[0004] When the buried pipe is laid in the excavation groove in this way, first, the pipe 45 is added to the top of the sheet pile support 41 to extend the support 45.
After the pipe has been taken up to the position of the upper cutting beam 42a, another cutting beam 42c is mounted between the extending columns 45, and the load of the upper cutting beam 42a is deposited on this additional extending column beam 42c. The beam 42a is removed and the tube is taken in downward. Next, the upper cutting beam 42a is restored to a predetermined position, and the load of the lower cutting beam 42b is deposited on the upper cutting beam 42a. Thereafter, the lower cutting beam 42b is removed and the pipe is inserted into the groove. Lay it in place.
【0005】上記工法で矢板44の取り付けは、現地の
地盤強度,管の埋設深さ等の状況により、上方よりの打
ち込み矢板式,掘削した溝側より取り付ける当て矢板式
が適用され、またここで使用される支柱41としては、
鋼矢板等を使用した矢板支柱,溝形材を使用した支柱が
用いられる。[0005] In the above-mentioned construction method, the sheet pile 44 is attached by a driving sheet pile method from above or a contact sheet sheet method from the excavated groove side depending on the condition of the local ground strength, the burial depth of the pipe, and the like. As the pillar 41 used,
Sheet pile supports using steel sheet piles and the like, and supports using channel members are used.
【0006】図14に矢板支柱構造の一例の斜視図を示
す。矢板支柱51は、支柱として縦方向の壁面土圧を安
定して受けるのに適当な位置として、矢板51の上段側
は掘削溝の全深さに対して肩部より1/5程度、また下
段側は同様に肩部より3/5程度の位置に、それぞれ方
形の受板52を溶接等の手段により取り付ける。FIG. 14 is a perspective view showing an example of a sheet pile support structure. The sheet pile support 51 is a position suitable for stably receiving the earth pressure in the vertical direction as a support, and the upper side of the sheet pile 51 is about 1/5 from the shoulder to the entire depth of the excavation groove, and the lower section. Similarly, a square receiving plate 52 is attached to the side at about の of the shoulder by welding or other means.
【0007】この受板52の下半位置には水平方向に腹
起こし支持材53を取り付け、その断面ボックス状の内
部には腹起こし材54が挿通・固定される。なお受板5
2上には、さらに受台55を介して切梁56が装着され
る。この切梁56は例えば伸縮可能な水圧または油圧ジ
ャッキで構成され、相対向する支柱間隔を一定に保持す
る。A support member 53 is attached to the lower half of the receiving plate 52 in the horizontal direction. A support member 53 is inserted and fixed inside the box-shaped section. Receiving plate 5
A cutting beam 56 is further mounted on the top 2 via a receiving table 55. The cut beam 56 is formed of, for example, an extendable hydraulic or hydraulic jack, and keeps the distance between the opposed struts constant.
【0008】図15に溝形材を使用した支柱構造の一例
の側面図を示す。この図に示す溝型材支柱はスライド形
式支柱の構造例を示し、支柱61は相対するフランジと
ウェブにより形成される上段支柱61aと、これに内挿
される下段支柱61bにより構成し、上下それぞれの支
柱の所定位置に腹起こし支持材62a,62bと切梁受
台63a,63bを溶接等の手段により取り付ける。な
お64,64aは支柱のスライド時のガイド穴とガイド
ピン,65は地盤に対する引掛け部である。FIG. 15 shows a side view of an example of a column structure using a channel. The channel-shaped material column shown in this figure shows an example of the structure of a slide type column. The column 61 is composed of an upper column 61a formed by opposed flanges and webs, and a lower column 61b inserted therein. The support members 62a, 62b and the beam supporters 63a, 63b are attached at predetermined positions by welding or other means. In addition, 64 and 64a are guide holes and guide pins when the column is slid, and 65 is a hook portion to the ground.
【0009】[0009]
【発明が解決しようとする課題】ところで上記図14お
よび図15に示す従来の支柱構造は、何れも腹起こし支
持材の高さ位置が設計掘削深さ(H)に対して、例えば
1/5・H,また下段側は同様に肩部より3/5・Hの
位置に溶接等の手段で事前に固定されている。In the conventional column structures shown in FIGS. 14 and 15, the height of the support member is raised, for example, by 1/5 with respect to the design excavation depth (H). H and the lower side are similarly fixed in advance by welding or other means at a position 3 / 5.H from the shoulder.
【0010】しかし実際の工事施工に際して、例えばこ
れを軟弱地盤等に使用する場合は、所定の腹起こし材の
位置まで掘り下げる以前の段階で腹起こし材,切梁を設
置して土留めすることが必要となり、これらに対処する
ために、腹起こし材等の位置を自在に上下できる支柱構
造の開発が望まれていた。However, in actual construction work, for example, when this is used for soft ground, etc., it is necessary to set up the bulging material and the cutting beam before digging down to the position of the predetermined bulging material, and to retain the earth. In order to cope with these problems, it has been desired to develop a column structure that can freely move the position of a belly-raising material or the like.
【0011】本発明は上記課題を解決し、溝掘削および
土留めに際して腹起こし支持材を容易に支柱から着脱で
きるとともに、その位置を自在に上下に調整し得る矢板
式支保工の支柱構造を提供する。The present invention solves the above-mentioned problems, and provides a support structure of a sheet pile type support which can easily attach and detach a support member from a support when excavating and retaining a trench, and can adjust its position freely up and down. I do.
【0012】[0012]
【課題を解決するための手段】第1の発明は、掘削溝の
内壁に沿って一定間隔で相対向して支柱を設け、切梁に
より相対向する間隔を一定に保持するとともに、溝の内
壁に配列された矢板を水平方向に支持する腹起こし材を
取り付けて掘削溝の崩落を防止する矢板式支保工の支柱
構造において、前記腹起こし材の側面に支柱を係止する
係止具を取り付け、さらに腹起こし材の底面には支持台
を介して先端部に偏心曲面を形成した押圧桿を回動可能
に取り付け、前記係止具を支柱の端部に係止するととも
に押圧桿を支柱内面に当接させ、該押圧桿を回動して腹
起こし材を支柱に押圧固定したことを特徴とする掘削溝
用矢板式支保工の支柱構造である。According to a first aspect of the present invention, a column is provided opposite to each other at a constant interval along an inner wall of an excavation groove, and the opposing interval is kept constant by a cut beam. In the support structure of the sheet pile type supporting structure for preventing the collapse of the excavation groove by attaching a swelling material for supporting the sheet piles arranged in the horizontal direction, a locking member for locking the support to the side surface of the swelling material is attached. Further, a pressing rod having an eccentric curved surface formed at the tip thereof is rotatably attached to the bottom surface of the bulging material via a support base, and the locking member is locked to the end of the column and the pressing rod is attached to the inner surface of the column. , And the pressing rod is rotated to press and fix the belly-raising material to the support, which is a support structure of a sheet pile type support for an excavation groove.
【0013】また上記第1の発明において、支柱を係止
する一対の係止具のうち片側を腹起こし材に定着させ、
他の片側の係止具の基端部を腹起こし材に可動自在に設
置し、押圧桿を回動して腹起こし材を支柱に押圧固定す
る支柱構造である。In the first invention, one side of a pair of locking members for locking the column is fixed on the belly material,
This is a column structure in which the base end of the other one of the locking members is movably installed on the belly member, and the pressing rod is rotated to press and fix the belly member to the column.
【0014】さらに上記第1の発明において、腹起こし
材の側面に取り付ける係止具に代えて支柱を囲繞するサ
ドル枠を取り付け、サドル枠を支柱に挿通するとともに
押圧桿を支柱内面に当接させ、押圧桿を回動して腹起こ
し材を支柱に押圧固定する支柱構造である。Further, in the first invention, a saddle frame surrounding the column is attached instead of the locking member attached to the side surface of the belly-raising material, and the saddle frame is inserted into the column and the pressing rod is brought into contact with the inner surface of the column. And a column structure for rotating the pressing rod to press and fix the belly-raising material to the column.
【0015】このように第1の発明においては、腹起こ
し支持材を用いることなく、腹起こし材に直接係止具お
よび押圧桿を取り付けるので構造が簡略化され、例えば
矢板支柱等にこれを固定する場合は、支柱の適宜高さに
おいて係止具を矢板の両端に係止し、押圧桿により支柱
内面を押圧して腹起こし材を強固に支柱に固定すること
ができる。As described above, according to the first aspect of the present invention, since the locking member and the pressing rod are directly attached to the belly-raising member without using the belly-raising support member, the structure is simplified. In this case, it is possible to lock the locking members at both ends of the sheet pile at an appropriate height of the column and press the inner surface of the column with the pressing rod to securely fix the belly-raised material to the column.
【0016】ここで押圧桿の先端部を偏心曲面に形成す
ることにより、支柱を押圧,又は押圧解除する場合に大
きな力を必要とすることなく着脱が容易であり、溝掘削
工程の段階でも腹起こし支持材位置を容易かつ自在に上
下に調整し得る。By forming the tip of the pressing rod with an eccentric curved surface, it is easy to attach and detach the column without pressing a large force when pressing or releasing the pressing. The position of the raising support member can be easily and freely adjusted up and down.
【0017】この先端部の支柱を押圧する偏心曲面を平
滑な面で形成すれば、押圧,又は押圧解除する場合にそ
の抵抗力は小さくてよいが、さらにこの偏心曲面を鋸歯
状に形成すれば、支柱との間の接触抵抗も大きくなっ
て、支柱を強固に固持することができる。If the eccentric curved surface for pressing the column at the tip is formed as a smooth surface, the resistance force when pressing or releasing the pressing may be small, but if the eccentric curved surface is formed in a sawtooth shape, The contact resistance between the support and the support is also increased, and the support can be firmly held.
【0018】またここで、可動自在の係止具は、基端側
にT字形のボルトを取り付けて、このボルトを腹起こし
材に穿孔した長穴に挿通かつ回動させて腹起こし材に摺
動自在に設置する構造とすることにより、支柱の任意の
位置での着脱ができる。即ち、腹起こし材を事前に矢板
支柱等に挿通させる必要はなく、長穴内を摺動させて支
柱の適宜位置または適宜高さにおいて係止具を矢板支柱
に咬合させることができる。さらには可動自在の係止具
の位置を、長穴により支柱の幅方向に適宜調整可能とし
ているので、各種幅の支柱に対応できる。In this case, the movable locking member has a T-shaped bolt attached to the base end side, and the bolt is inserted into an elongated hole drilled in the belly member and rotated to slide on the belly member. By adopting a structure in which it is movably installed, the column can be attached and detached at any position. That is, it is not necessary to insert the upset material in advance into the sheet pile support or the like, and the locking tool can be engaged with the sheet pile support at an appropriate position or at an appropriate height of the support by sliding in the elongated hole. Furthermore, since the position of the movable locking member can be appropriately adjusted in the width direction of the support by the elongated hole, it is possible to cope with the support having various widths.
【0019】なお係止具を支柱に挿通させることなく、
適宜位置または適宜高さに取り付ける他の構造として
は、可動自在の係止具の基端部を例えばヒンジ構造等に
より回動可能としてもよい。Without inserting the locking tool through the support,
As another structure to be mounted at an appropriate position or at an appropriate height, the base end of the movable locking tool may be rotatable by, for example, a hinge structure or the like.
【0020】また係止具に代えて支柱を囲繞するサドル
枠を取り付けることにより、例えば方形または溝型断面
の支柱に対しては、腹起こし材をより強固・確実に支柱
に固定することができる。Further, by attaching a saddle frame surrounding the column in place of the locking member, for example, for a column having a rectangular or groove-shaped cross section, the belly-raising material can be more firmly and reliably fixed to the column. .
【0021】第2の発明は、掘削溝の内壁に沿って一定
間隔で相対向して支柱を設け、切梁により相対向する間
隔を一定に保持するとともに、溝の内壁に配列された矢
板を水平方向に支持する腹起こし材を取り付けて掘削溝
の崩落を防止する矢板式支保工の支柱構造において、前
記腹起こし材を水平に抱持するように形成した腹起こし
支持材の側面に支柱を係止する係止具を取り付け、さら
に腹起こし支持材の底面には支持台を介して先端部に偏
心曲面を形成した押圧桿を回動可能に取り付け、前記係
止具を支柱の端部に係止するとともに押圧桿を支柱内面
に当接させ、該押圧桿を回動して腹起こし支持材を支柱
に押圧固定したことを特徴とする掘削溝用矢板式支保工
の支柱構造である。According to a second aspect of the present invention, columns are provided opposite to each other at regular intervals along the inner wall of the excavation groove, and the opposing intervals are maintained constant by cutting beams. In a strut structure of a sheet pile type shoring for attaching a horizontally raised material to prevent collapse of an excavation groove, a pillar is provided on a side surface of a horizontally bent supporting material formed so as to horizontally hold the raised material. A locking tool for locking is attached, and furthermore, a pressing rod having an eccentric curved surface formed at the tip end is rotatably mounted on the bottom surface of the support member via a support base, and the locking tool is attached to an end of the support. A strut structure for a sheet pile type shoring for excavation grooves, wherein the strut is engaged with the strut and the strut is brought into contact with the inner surface of the strut, and the strut is turned upside down to press and fix the support material to the strut.
【0022】また上記第2の発明において、支柱を係止
する一対の係止具のうち片側を腹起こし支持材に定着さ
せ、他の片側の係止具の基端部を腹起こし支持材に可動
自在に設置し、押圧桿を回動して腹起こし支持材を支柱
に押圧固定する支柱構造である。In the second aspect of the present invention, one side of the pair of locking members for locking the column is fixed to the supporting member by raising one side, and the base end of the other locking member is bent to the supporting member. The support structure is movably installed, and the support rod is pressed against the support by pressing the support rod to the support by rotating the pressing rod.
【0023】さらに上記第2の発明において、腹起こし
支持材の側面に取り付ける係止具に代えて支柱を囲繞す
るサドル枠を取り付け、サドル枠を支柱に挿通するとと
もに押圧桿を支柱内面に当接させ、押圧桿を回動して腹
起こし支持材を支柱に押圧固定する支柱構造である。Further, in the second invention, a saddle frame surrounding the column is attached in place of the locking member attached to the side surface of the belly support member, and the saddle frame is inserted into the column and the pressing rod abuts on the inner surface of the column. Then, the support rod is rotated and the support rod is pressed and fixed to the support by rotating the pressing rod.
【0024】また上記サドル枠を取り付けた支柱構造に
おいて、腹起こし支持材の反支柱側の側面材上端又は下
端に蝶番を取り付けて支持材側面部を開放可能とし、該
側面部より腹起こし材を装着可能とした支柱構造であ
る。In the above-mentioned support structure to which the saddle frame is attached, a hinge is attached to an upper end or a lower end of the side member on the side opposite to the support of the belly support member so that the side surface of the support member can be opened. It is a pillar structure that can be mounted.
【0025】このように第2の発明においては、腹起こ
し材を水平に抱持するように形成した腹起こし支持材を
使用し、この腹起こし支持材を例えば矢板支柱等に固定
する場合は、支柱の適宜高さにおいて係止具を矢板の両
端に係止し、押圧桿により支柱内面を押圧して腹起こし
材を強固に支柱に固定することができる。As described above, according to the second aspect of the present invention, the support member formed so as to horizontally hold the support member is used, and when the support member is fixed to, for example, a sheet pile support, At a suitable height of the column, the locking member is locked to both ends of the sheet pile, and the inner surface of the column is pressed by the pressing rod, so that the bulging material can be firmly fixed to the column.
【0026】このように支柱に対する固定・解除および
ハンドリングも容易となる。なお押圧桿により支柱を押
圧して固定する作用は、前記第1の発明と同様である。As described above, fixing / releasing to the support and handling are also facilitated. The function of pressing and fixing the column with the pressing rod is the same as that of the first invention.
【0027】またここで可動自在の係止具は、腹起こし
支持材に穿孔した長穴と係止具側のピン穴にコッタを挿
通して係止具を腹起こし支持材に摺動自在に設置する構
造とすることにより、腹起こし支持材を事前に矢板支柱
等に挿通させる必要はなく着脱が容易となり、長穴内を
摺動させて支柱の適宜位置または適宜高さにおいて係止
具を矢板支柱に咬合させることができる。さらには可動
自在の係止具の位置を長穴の長さにより支柱の幅方向に
適宜調整可能としているので、各種幅の支柱に対応でき
る。Here, the movable locking member is slidable on the support member by inserting the cotter through the elongated hole drilled in the support member and the pin hole on the locking member side to raise the locking member. By adopting the installation structure, it is not necessary to insert the support member in advance into the sheet pile support or the like, so that it can be easily attached and detached. It can bite the strut. Further, since the position of the movable locking member can be appropriately adjusted in the width direction of the column by the length of the elongated hole, it can be used for columns of various widths.
【0028】なお係止具を支柱に挿通させることなく、
適宜位置または適宜高さに取り付ける他の構造として
は、可動自在の係止具の基端部を例えばヒンジ構造等に
より回動可能とした構造としてもよい。Without inserting the locking tool through the support,
As another structure to be mounted at an appropriate position or at an appropriate height, a structure in which the base end of the movable locking tool can be rotated by, for example, a hinge structure or the like may be used.
【0029】また係止具に代えて支柱を囲繞するサドル
枠を取り付けることにより、例えば方形または溝型断面
の支柱に対しては、腹起こし材をより強固に支柱に固定
することができる。Further, by attaching a saddle frame surrounding the column in place of the locking member, for example, for a column having a rectangular or groove-shaped cross section, the belly-raising material can be more firmly fixed to the column.
【0030】また上記サドル枠を取り付けた支柱構造に
おいて、腹起こし支持材の反支柱側の側面材上端又は下
端に蝶番を取り付けて支持材側面部を開放可能とするこ
とにより、掘削溝面側からの腹起こし材の着脱が可能と
なり、腹起こし材の着脱が極めて容易となる。In the above-mentioned support structure to which the saddle frame is attached, a hinge is attached to the upper end or the lower end of the side member on the side opposite to the support of the belly support member so that the side surface of the support member can be opened. Can be attached and detached, and the attachment and detachment of the belly-raising material becomes extremely easy.
【0031】[0031]
【発明の実施の形態】以下本発明の掘削溝用矢板式支保
工の支柱構造の実施の形態について、図面に基づいて説
明する。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing an embodiment of a strut structure for a sheet pile type support for an excavation trench according to the present invention.
【0032】図1,図2は、前記第1の発明の支柱構造
において、支柱として例えば矢板支柱を使用した場合の
実施の形態例1を示す底面図と、図1のA−A部断面図
である。FIGS. 1 and 2 are a bottom view and a cross-sectional view taken along the line AA of FIG. 1, respectively, showing a first embodiment in the case where, for example, a sheet pile support is used as a support in the support structure of the first invention. It is.
【0033】この形態例1の支柱構造は、支柱として矢
板1を使用し、水平に保持される断面方形の腹起こし材
3の側面側2箇所に、例えば断面L字形の係止具4a,
4bを取り付け、さらに腹起こし材3の底面には、支持
台5を介して支柱1方向に先端部に偏心曲面7を形成し
た押圧桿6を回動可能に取り付ける。The support structure according to the first embodiment uses a sheet pile 1 as a support, and is provided at two places on the side of a laterally-raised material 3 that is horizontally held, for example, L-shaped locking members 4a,
4b, and a pressing rod 6 having an eccentric curved surface 7 formed at the tip thereof in the direction of the column 1 via a support base 5 so as to be rotatable.
【0034】押圧桿6先端の偏心曲面7は、これを回動
して最初に支柱1に接触する側の先端部の盗みを大きく
して、先端部が支柱に接触・押圧し易くなるように形成
し、矢板支柱1を押圧,又は押圧解除する場合に大きな
力を必要とせず、無理なく回動できるようにされてい
る。なお押圧桿6の回動をさらに容易とするために、要
すれば押圧桿の手元側に所要長さの把手6aを取り付け
る。The eccentric curved surface 7 at the tip of the pressing rod 6 is rotated to increase the stealing of the tip on the side that first contacts the column 1 so that the tip can easily contact and press the column. When the sheet pile support 1 is pressed or released, a large force is not required, and the sheet pile support 1 can be rotated without difficulty. In order to further facilitate the rotation of the pressing rod 6, a handle 6a having a required length is attached to the hand side of the pressing rod if necessary.
【0035】このようにして、腹起こし材3を矢板支柱
1に固定する場合には、押圧桿6を緩めておき、係止具
4a,4bを矢板支柱1の端部1a,1bに咬合させて
腹起こし材3を事前に矢板支柱1に挿通させておき、腹
起こし材3の所定位置または所定高さにおいて押圧桿6
を矢板支柱内面1cに当接させ、押圧桿6を回動して腹
起こし材3を矢板支柱1に押圧固定する。In this manner, when fixing the upset material 3 to the sheet pile support 1, the pressing rod 6 is loosened, and the locking members 4a, 4b are engaged with the ends 1a, 1b of the sheet pile support 1. The bulging material 3 is inserted through the sheet pile support 1 in advance, and the pressing rod 6 is positioned at a predetermined position or a predetermined height of the bulging material 3.
Is brought into contact with the sheet pile support inner surface 1c, and the pressing rod 6 is turned to press and fix the bulging material 3 to the sheet pile support 1.
【0036】図3は、前記第1の発明の支柱構造におい
て、腹起こし材の着脱を容易とした場合の実施の形態例
2を示す側断面図(a),係止具の構成を示す斜視図
(b),着脱可能とした係止具の斜視図(c)である。FIG. 3A is a side sectional view showing a second embodiment of the support structure according to the first aspect of the present invention in the case where attachment and detachment of an abdominal material is facilitated, and FIG. FIG. 4B is a perspective view of the detachable locking tool.
【0037】この形態例2の支柱構造は、支柱1を係止
する1対の係止具4a,4bのうち、片側の係止具4a
を腹起こし材3に定着させ、他の片側の係止具4bの基
端側にT字形のボルト8を取り付け、該ボルト8を腹起
こし材に穿孔した長穴9に挿通かつ回動させて腹起こし
材3に固定し、長穴9内で摺動可能自在とし、押圧桿6
を回動して腹起こし材3を支柱1に押圧固定する支柱構
造である。The support structure according to the second embodiment has a locking member 4a on one side of a pair of locking members 4a and 4b for locking the column 1.
Is fixed to the bulging material 3, a T-shaped bolt 8 is attached to the base end side of the other one of the locking members 4 b, and the bolt 8 is inserted into the elongated hole 9 drilled in the bulging material and rotated. It is fixed to the bulging material 3 and is slidable in the elongated hole 9.
Is pivoted to press and fix the belly material 3 to the column 1.
【0038】このようにして、係止具4bを摺動可能自
在構造とすることにより腹起こし材3の着脱が容易とな
り、腹起こし材を事前に矢板支柱1等に挿通させる必要
はなく、支柱の適宜位置または適宜高さにおいて係止具
4a,4bを矢板支柱に咬合させればよい。さらには他
の片側の係止具4bの位置を、長穴9により支柱の幅方
向に適宜調整可能としているので、各種幅の支柱に対応
できる。In this manner, by making the locking member 4b a slidable structure, the belly-raising member 3 can be easily attached and detached, and it is not necessary to insert the belly-raising member into the sheet pile support 1 or the like in advance. It is sufficient that the locking members 4a, 4b are engaged with the sheet pile support at an appropriate position or at an appropriate height. Further, since the position of the other one side of the locking tool 4b can be appropriately adjusted in the width direction of the support by the elongated hole 9, it is possible to cope with the support having various widths.
【0039】なお係止具を支柱に挿通させることなく、
腹起こし材3の着脱を容易とし、これを適宜位置または
適宜高さに取り付ける他の構造としては、可動自在の係
止具の基端部を例えばヒンジ構造等により回動可能とし
てもよい。It is to be noted that, without inserting the locking tool through the support,
As another structure for facilitating attachment / detachment of the belly-raising material 3 and attaching it at an appropriate position or at an appropriate height, the base end of the movable locking tool may be rotatable by, for example, a hinge structure or the like.
【0040】図4,図5は、前記第1の発明の支柱構造
において、支柱として例えば溝型材支柱を使用した場合
の実施の形態例3を示す底面図と、図4のB−B部断面
図である。FIGS. 4 and 5 are a bottom view and a sectional view taken along line BB of FIG. 4, respectively, showing a third embodiment in which, for example, a channel-shaped material column is used as the column in the column structure of the first invention. FIG.
【0041】この形態例3の支柱構造は、支柱として溝
型材11を使用し、水平に保持される断面方形の腹起こ
し材13の側面側に、支柱11を囲繞するサドル枠14
を取り付ける。なお腹起こし材13の底面に取り付ける
押圧桿6の構成は、前記形態例1と同じである。The support structure according to the third embodiment uses a channel member 11 as a support, and a saddle frame 14 surrounding the support 11 is provided on the side surface of a bulging material 13 having a rectangular cross section which is held horizontally.
Attach. The configuration of the pressing rod 6 attached to the bottom of the belly material 13 is the same as that of the first embodiment.
【0042】このようにして、腹起こし材13を溝型材
支柱11に固定する場合には、押圧桿6を緩めておき、
事前にサドル枠14を溝型材支柱11に挿通させてお
き、腹起こし材13の所定位置または所定高さにおいて
押圧桿6を溝型材支柱内面11cに当接させ、押圧桿6
を回動して腹起こし材13を溝型材支柱1に押圧固定す
る。In this way, when fixing the belly-raising material 13 to the groove-shaped material column 11, the pressing rod 6 is loosened,
The saddle frame 14 is inserted through the channel support 11 in advance, and the pressing rod 6 is brought into contact with the inner surface 11 c of the channel support at a predetermined position or at a predetermined height of the belly material 13.
Is rotated to press and fix the belly material 13 to the groove-shaped material support 1.
【0043】図6,図7は、前記第2の発明の支柱構造
において、支柱として例えば矢板支柱を使用した場合の
実施の形態例4を示す底面図と、図6のC−C部断面図
である。FIGS. 6 and 7 are a bottom view showing a fourth embodiment in which, for example, a sheet pile support is used as a support in the support structure of the second invention, and a cross-sectional view taken along the line CC of FIG. It is.
【0044】この形態例4の支柱構造は、支柱として矢
板21を使用し、腹起こし材23を水平に抱持するよう
に形成した、例えば断面溝形とした腹起こし支持材22
を使用し、この腹起こし支持材22の側面に、例えばL
字形の係止具24a,24bを取り付け、さらに腹起こ
し支持材22の底面には、支持台5を介して支柱21方
向に先端部に偏心曲面7を形成した押圧桿6を回動可能
に取り付ける。なおこの押圧桿6の構成,作用は、前記
形態例1に示す押圧桿6と同じである。The support structure according to the fourth embodiment uses a sheet pile 21 as a support, and is formed so as to horizontally hold the erection member 23, for example, an erection support member 22 having a groove-shaped cross section.
Is used, for example, L
Attachment members 24a and 24b are attached, and furthermore, a pressing rod 6 having an eccentric curved surface 7 formed at the tip in the direction of a support 21 via a support base 5 is rotatably attached to the bottom surface of the support member 22 with the belly raised. . The configuration and operation of the pressing rod 6 are the same as those of the pressing rod 6 shown in the first embodiment.
【0045】このようにして、腹起こし材23を溝型材
支柱21に固定する場合には、押圧桿6を緩めておき、
係止具24a,24bを矢板支柱21の端部21a,2
1bに咬合させて腹起こし支持材22を事前に矢板支柱
21に挿通させておき、支持材22の所定位置または所
定高さに達したならば押圧桿6を矢板支柱内面21cに
当接させ、押圧桿6を回動して腹起こし支持材22を矢
板支柱21に押圧固定する。しかる後、腹起こし材23
を支持材22内に挿入する。In this way, when fixing the belly material 23 to the groove-shaped material column 21, the pressing rod 6 is loosened,
The locking members 24a, 24b are connected to the ends 21a, 2 of the sheet pile support 21.
1b, the support member 22 is inserted into the sheet pile support 21 in advance, and when the support member 22 reaches a predetermined position or a predetermined height, the pressing rod 6 is brought into contact with the sheet pile support inner surface 21c. The support rod 22 is pressed and fixed to the sheet pile support 21 by rotating the pressing rod 6 to protrude. After a while, 23
Is inserted into the support member 22.
【0046】図8は、前記第2の発明の支柱構造におい
て、腹起こし支持材の着脱を容易とした場合の実施の形
態例5を示す側断面図(a),係止具の構成を示す斜視
図(b)である。FIG. 8 (a) is a side sectional view showing a fifth embodiment of the support structure according to the second aspect of the present invention, in which attachment and detachment of the support member is facilitated. It is a perspective view (b).
【0047】この形態例5の支柱構造は、支柱を係止す
る一対の係止具24a,24bのうち片側の係止具24
aを腹起こし支持材22に定着させ、他の片側の係止具
24bの基端部に設けた軸孔と、腹起こし支持材22に
穿孔した長穴25とを重畳させ、鍔付き軸26を挿通し
て係止具24bを腹起こし支持材22に摺動自在に設置
し、押圧桿6を回動して腹起こし支持材22を支柱21
に押圧固定する支柱構造である。The support structure according to the fifth embodiment has a structure in which the locking tool 24 on one side of the pair of locking tools 24a and 24b for locking the support is used.
a is fixed to the support member 22 by raising the belly, and the shaft hole provided at the base end of the other locking tool 24b is overlapped with the elongated hole 25 drilled in the support member 22 by raising the flange. Is inserted into the support member 24b to protrude the support member 22 and slidably set on the support member 22.
It is a pillar structure that is pressed and fixed to the support.
【0048】このように構成することにより、腹起こし
支持材22を事前に矢板支柱21等に挿通させる必要は
なく支持材の着脱が容易となり、長穴25内を摺動させ
て支柱の適宜位置または適宜高さにおいて係止具24
a,24bを矢板支柱21に咬合させることができる。
さらには他の片側の係止具24bの位置を、長穴25の
長さにより支柱の幅方向に適宜調整可能としているの
で、各種幅の支柱に対応できる。With this configuration, it is not necessary to insert the support member 22 in advance into the sheet pile support 21 or the like in advance, and the support material can be easily attached and detached. Alternatively, at the appropriate height, the fastener 24
a, 24b can be engaged with the sheet pile support 21.
Furthermore, since the position of the other one side of the locking tool 24b can be appropriately adjusted in the width direction of the support by the length of the elongated hole 25, it is possible to cope with supports of various widths.
【0049】図9は、前記第2の発明の支柱構造におい
て、腹起こし支持材を更に簡略化し軽量化を図った場合
の実施の形態例6を示す斜視図である。FIG. 9 is a perspective view showing a sixth embodiment of the support structure according to the second aspect of the present invention in which the support member is further simplified and lightened.
【0050】この形態例6の支柱構造は、前記形態例4
の支柱構造において、断面溝形とした腹起こし支持材2
2に代えて断面L型とした支持材22aにて腹起こし材
23を水平に抱持し、4本の係止具24a〜24dにて
支柱を係止するよう構成した支柱構造である。The support structure of the sixth embodiment is similar to that of the fourth embodiment.
Support structure 2 having a groove-shaped cross-section
2 is a column structure in which a support member 22a having an L-shaped cross section holds the belly member 23 horizontally and the column is locked by four locking members 24a to 24d.
【0051】このように構成することにより、さらに腹
起こし支持材22の簡易化,軽量化を図ることができ
る。With this configuration, the support member 22 can be further simplified and reduced in weight.
【0052】図10,図11は、前記第2の発明の支柱
構造において、支柱として例えば溝型材支柱を使用した
場合の実施の形態例7を示す底面図と、図10のD−D
部断面図である。FIGS. 10 and 11 are bottom views showing Embodiment 7 in the case where, for example, a channel-shaped material column is used as a column in the column structure of the second invention, and FIG.
It is a fragmentary sectional view.
【0053】この形態例7の支柱構造は、支柱として溝
型材31を使用し、腹起こし材33を水平に保持する断
面方形の腹起こし支持材32の支柱側の側面材を取り除
いてコ型断面とし、このコ型断面とした腹起こし支持材
32の側面に溝型材支柱31を囲繞するサドル枠34を
取り付ける。なお腹起こし支持材32の底面に取り付け
る押圧桿6の構成は、前記形態例3と同じである。The support structure according to the seventh embodiment uses a groove-shaped member 31 as a support, and removes a side material on the support side of a rectangular support member 32 having a rectangular cross section for holding the support member 33 horizontally. Then, a saddle frame 34 surrounding the channel material support 31 is attached to a side surface of the belly support member 32 having the U-shaped cross section. The configuration of the pressing rod 6 attached to the bottom surface of the support member 32 is the same as that of the third embodiment.
【0054】このようにして、腹起こし支持材32を溝
型材支柱31に固定する場合には、押圧桿6を緩めてお
き、事前にサドル枠34を溝型材支柱31に嵌合挿通さ
せておき、支持材32の所定位置または所定高さに達し
たならば押圧桿6を溝型材支柱内面31cに当接させ、
押圧桿6を回動して腹起こし支持材32を溝型材支柱3
1に押圧固定する。しかる後、腹起こし材33を支持材
32内に挿入する。In this manner, when fixing the support member 32 on the channel support 31, the pressing rod 6 is loosened, and the saddle frame 34 is fitted and inserted into the channel support 31 in advance. When the predetermined position or the predetermined height of the support member 32 is reached, the pressing rod 6 is brought into contact with the inner surface 31c of the channel member support,
The support rod 32 is turned upright by rotating the pressing rod 6 and the groove-shaped material column 3
Press and fix to 1. Thereafter, the belly material 33 is inserted into the support material 32.
【0055】図12は、前記第2の発明の支柱構造にお
いて、上記溝型材支柱を用いた支柱構造の場合の、さら
に他の実施の形態例8を示す側断面図である。FIG. 12 is a side sectional view showing still another embodiment 8 in the case of a support structure using the above-mentioned channel material support in the support structure of the second invention.
【0056】この形態例8の支柱構造は、上記溝型材支
柱31の支柱構造において、腹起こし支持材32の反支
柱側の側面材上端又は下端に蝶番35を取り付け、支持
材側面部を開放可能とした腹起こし支持材32aを使用
した支柱構造であり、サドル枠34,押圧桿6等の構成
は形態例4の支柱構造と同じである。なお36は係止ピ
ンである。In the support structure of the eighth embodiment, in the support structure of the groove-shaped material support 31, the hinge 35 is attached to the upper end or the lower end of the support member 32 on the side opposite to the support, and the side surface of the support member can be opened. The support structure includes a support structure 32a, and the configuration of the saddle frame 34, the pressing rod 6, and the like is the same as the support structure of the fourth embodiment. Reference numeral 36 denotes a locking pin.
【0057】この形態例8では、事前に腹起こし支持材
32を支柱31の所定位置または所定高さに取り付けて
おき、反支柱側の側面材を開放して腹起こし材33の着
脱を行う。このようにして支持材側面部を開放可能とす
ることにより、掘削溝面側からの腹起こし材33の着脱
が可能となり、腹起こし材33の着脱が極めて容易とな
る。In the eighth embodiment, the belly support member 32 is attached to a predetermined position or a predetermined height of the column 31 in advance, and the side member on the side opposite to the column is opened to attach and detach the belly member 33. By making the side surface of the support member openable in this manner, the belly-raising member 33 can be attached and detached from the excavation groove surface side, and the attachment and detachment of the belly-raising member 33 becomes extremely easy.
【0058】以上説明した形態例は、適用する支柱とし
てそれぞれの形態例について1種類の矢板と溝型材につ
いてのみ説明したが、掘削溝の規模や使用される支柱の
種類,現地状況により適宜組み合わせて使用することも
できる。In the embodiments described above, only one type of sheet pile and channel material has been described for each embodiment as applicable columns. However, the columns may be appropriately combined depending on the scale of the excavation groove, the type of the column to be used, and the local situation. Can also be used.
【0059】また押圧桿先端部の偏心曲面も、平滑な面
で形成すれば押圧,又は押圧解除する場合にその抵抗力
は小さくてよいが、さらにこの偏心曲面を鋸歯状に形成
することにより、支柱との間の接触抵抗も大きくなっ
て、支柱を強固に固持することができる。Also, if the eccentric curved surface of the pressing rod tip is formed as a smooth surface, the resistance force when pressing or releasing the pressing may be small, but by forming this eccentric curved surface in a sawtooth shape, The contact resistance between the support and the support is also increased, and the support can be firmly held.
【0060】[0060]
【発明の効果】以上説明した如く本発明によれば、支保
工の腹起こし材または腹起こし支持材を支柱に対し、そ
れぞれ係止具またはサドル枠と押圧桿により着脱自在と
して、その位置を自在に上下に調整し得るようにしてお
り、したがって、溝掘削工程における所定の腹起こし材
位置まで掘り下げる以前の途中の段階で腹起こし材,切
梁を設置する必要が生じても、適時腹起こし材または腹
起こし支持材を所望の位置に動かして固定し、土留め作
業を行うことができる。As described above, according to the present invention, the erection material or the erection support material of the supporter can be freely attached to and detached from the support by the locking tool or the saddle frame and the pressing rod, respectively, and the position can be freely adjusted. Therefore, even if it is necessary to install the flared material and the cutting beam at a stage before the hole is dug down to the predetermined flared material position in the trench excavation process, the flared material can be adjusted in a timely manner. Alternatively, the support member can be moved to a desired position and fixed, and the earth retaining operation can be performed.
【0061】また上記着脱自在とした腹起こし材または
腹起こし支持材において、一方の係止具を可動自在とす
る構造により、腹起こし支持材または腹起こし材を事前
に支柱等に挿通させる必要はなく着脱がさらに容易とな
り、また可動自在係止具の位置を、長穴の長さにより支
柱の幅方向に適宜調整可能としているので、各種幅の支
柱に対応できる。Further, in the detachable belly-raising material or the belly-raising support material, it is not necessary to insert the belly-raising support material or the belly-raising material in advance through a column or the like by using a structure in which one of the locking members is movable. Since the position of the movable locking member can be appropriately adjusted in the width direction of the column by the length of the elongated hole, it can be used for columns of various widths.
【0062】またここで使用する押圧桿の先端部形状
を、最初に支柱に接する側の盗みを大きくした偏心曲面
とすることにより、支柱を押圧,又は押圧解除する場合
に大きな力を必要とすることなく、無理なく円滑に着脱
できる。In addition, since the tip of the pressing rod used here is formed as an eccentric curved surface with a large steal on the side that first comes into contact with the column, a large force is required when pressing or releasing the column. It can be attached and detached smoothly without difficulty.
【0063】また本発明は、腹起こし材を支持する腹起
こし支持材を、溝形,L形等の型材にて水平に抱持する
ように形成することにより、構造は極めて簡単かつ軽量
となり、腹起こし支持材の取扱いも容易となる。Further, according to the present invention, the bulging support member for supporting the bulging material is formed so as to be horizontally held by a groove member, an L-shaped member, or the like, so that the structure is extremely simple and lightweight. Handling of the belly support material is also facilitated.
【0064】また本発明は、腹起こし支持材の反支柱側
の側面材に蝶番を取り付けて開放可能とすることによ
り、掘削溝面側からの腹起こし材の着脱が可能となり、
腹起こし材の着脱が極めて容易となる。Further, according to the present invention, a hinge can be attached to the side member on the side opposite to the support of the belly supporting member so that the side member can be opened.
The attachment and detachment of the belly-raising material becomes extremely easy.
【図1】第1の発明の支柱構造を示し、実施の形態例1
を示す底面図である。FIG. 1 shows a support structure according to a first embodiment of the present invention, and is a first embodiment.
FIG.
【図2】図1のA−A部断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.
【図3】第1の発明の他の支柱構造を示し、実施の形態
例2を示す側断面図(a),係止具の構成を示す斜視図
(b),着脱可能とした係止具の斜視図(c)である。FIG. 3 shows another support structure of the first invention, a sectional side view showing Embodiment 2 (a), a perspective view showing the structure of a locking device (b), and a removable locking device. It is a perspective view of (c).
【図4】第1の発明の他の支柱構造を示し、実施の形態
例2を示す底面図である。FIG. 4 is a bottom view showing another support structure according to the first embodiment and showing a second embodiment.
【図5】図4のB−B部断面図である。FIG. 5 is a sectional view taken along line BB of FIG. 4;
【図6】第2の発明の支柱構造を示し、実施の形態例3
を示す底面図である。FIG. 6 shows a support structure of the second invention, and is a third embodiment.
FIG.
【図7】図6のC−C部断面図である。FIG. 7 is a sectional view taken along the line CC of FIG. 6;
【図8】第2の発明の他の支柱構造を示し、実施の形態
例5を示す側断面図(a),係止具の構成を示す斜視図
(b)である。8A and 8B are a sectional side view showing a fifth embodiment of the second invention, showing a fifth embodiment, and a perspective view showing the structure of a locking member, respectively.
【図9】第2の発明の他の支柱構造を示し、実施の形態
例6を示す斜視図である。FIG. 9 is a perspective view showing another support structure of the second invention, showing a sixth embodiment.
【図10】第2の発明の他の支柱構造を示し、実施の形
態例7を示す底面図である。FIG. 10 is a bottom view showing another support structure according to the second invention and showing a seventh embodiment.
【図11】図10のD−D部断面図である。11 is a sectional view taken along the line DD in FIG. 10;
【図12】第2の発明の他の支柱構造を示し、実施の形
態例8を示す側断面図である。FIG. 12 is a side sectional view showing another support structure according to the second embodiment and showing an eighth embodiment.
【図13】従来の溝掘削工法の一例を示す斜視図であ
る。FIG. 13 is a perspective view showing an example of a conventional trench excavation method.
【図14】矢板支柱の構造例を示す斜視図である。FIG. 14 is a perspective view showing a structural example of a sheet pile support.
【図15】溝形材支柱の構造例を示す斜視図である。FIG. 15 is a perspective view showing a structural example of a channel support.
1,21 矢板支柱 11,31 溝型材支柱 1a,1b,21a,21b 矢板支柱の端部 1c,21c 矢板内面 11c,31c 溝型材内面 22,22a,32 腹起こし支持材 3,13,23,33 腹起こし材 14,34 サドル枠 4a,4b,24a,24b 係止具 5 支持台 6 押圧桿 6a 把手 7 偏心曲面 8 T字形ボルト 9,25 長穴 26 鍔付き軸 35 蝶番 36 係止ピン 1,21 sheet pile support 11,31 channel material support 1a, 1b, 21a, 21b end of sheet pile support 1c, 21c sheet pile inner surface 11c, 31c groove material inner surface 22,22a, 32 belly support material 3,13,23,33 Belly raising material 14, 34 Saddle frame 4a, 4b, 24a, 24b Locking tool 5 Support base 6 Pressing rod 6a Handle 7 Eccentric curved surface 8 T-shaped bolt 9, 25 Long hole 26 Flanged shaft 35 Hinge 36 Locking pin
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平5−179648(JP,A) 実開 昭56−25743(JP,U) 実開 昭61−23342(JP,U) (58)調査した分野(Int.Cl.7,DB名) E02D 17/08 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-179648 (JP, A) Japanese Utility Model Showa 56-25743 (JP, U) Japanese Utility Model Showa 61-23342 (JP, U) (58) Field (Int.Cl. 7 , DB name) E02D 17/08
Claims (7)
して支柱を設け、切梁により相対向する間隔を一定に保
持するとともに、溝の内壁に配列された矢板を水平方向
に支持する腹起こし材を取り付けて掘削溝の崩落を防止
する矢板式支保工の支柱構造において、前記腹起こし材
の側面に支柱を係止する係止具を取り付け、さらに腹起
こし材の底面には支持台を介して先端部に偏心曲面を形
成した押圧桿を回動可能に取り付け、前記係止具を支柱
の端部に係止するとともに押圧桿を支柱内面に当接さ
せ、該押圧桿を回動して腹起こし材を支柱に押圧固定し
たことを特徴とする掘削溝用矢板式支保工の支柱構造。1. A strut is provided opposite to each other at regular intervals along the inner wall of a digging groove, and the opposing interval is kept constant by a cutting beam, and the sheet piles arranged on the inner wall of the groove are supported horizontally. In a column structure of a sheet pile type supporting structure for preventing collapse of an excavation groove by attaching a bulging material to be erected, a locking member for locking a stanchion is attached to a side surface of the bulging material, and a support is provided on a bottom surface of the bulging material. A pressing rod having an eccentric curved surface formed at the tip end is rotatably mounted via a table, the locking tool is locked to the end of the column, and the pressing rod is brought into contact with the inner surface of the column, and the pressing rod is turned. A strut structure for a sheet pile type shoring for an excavation trench, wherein the strut is moved to fix the strut against the strut.
を腹起こし材に定着させ、他の片側の係止具の基端部を
腹起こし材に可動自在に設置し、押圧桿を回動して腹起
こし材を支柱に押圧固定する請求項1記載の掘削溝用矢
板式支保工の支柱構造。2. A pair of locking members for locking a support pillar, one side of which is fixed to a belly material, and the base end of the other locking member is movably installed on the belly material, and a pressing rod is provided. The pillar structure of a sheet pile type support for excavation trenches according to claim 1, wherein the belly material is pressed and fixed to the pillar by rotating the pillar.
代えて支柱を囲繞するサドル枠を取り付け、サドル枠を
支柱に挿通するとともに押圧桿を支柱内面に当接させ、
押圧桿を回動して腹起こし材を支柱に押圧固定する請求
項1記載の掘削溝用矢板式支保工の支柱構造。3. A saddle frame surrounding the column is attached in place of the locking member attached to the side surface of the belly-raising material, the saddle frame is inserted into the column, and the pressing rod is brought into contact with the inner surface of the column.
2. The strut structure of a sheet pile type shoring for excavation trenches according to claim 1, wherein the push rod is rotated to fix the belly material to the strut.
して支柱を設け、切梁により相対向する間隔を一定に保
持するとともに、溝の内壁に配列された矢板を水平方向
に支持する腹起こし材を取り付けて掘削溝の崩落を防止
する矢板式支保工の支柱構造において、前記腹起こし材
を水平に抱持するように形成した腹起こし支持材の側面
に支柱を係止する係止具を取り付け、さらに腹起こし支
持材の底面には支持台を介して先端部に偏心曲面を形成
した押圧桿を回動可能に取り付け、前記係止具を支柱の
端部に係止するとともに押圧桿を支柱内面に当接させ、
該押圧桿を回動して腹起こし支持材を支柱に押圧固定し
たことを特徴とする掘削溝用矢板式支保工の支柱構造。4. A strut is provided at regular intervals along the inner wall of the excavation groove, and the opposing interval is kept constant by a cutting beam, and the sheet piles arranged on the inner wall of the groove are horizontally supported. In a support structure of a sheet pile type supporting structure for preventing a collapse of an excavation groove by attaching a bulging material to be erected, a member for locking a fulcrum to a side surface of a flaring support material formed so as to horizontally hold the flaring material. A stopper is attached, and furthermore, a pressing rod having an eccentric curved surface formed at the tip end is rotatably attached to the bottom surface of the support member via a support base, and the stopper is locked to the end of the column. Make the pressing rod abut the inner surface of the support,
The support structure of a sheet pile type support for excavation grooves, wherein the support rod is pressed and fixed to the support column by rotating the press rod to protrude.
を腹起こし支持材に定着させ、他の片側の係止具の基端
部を腹起こし支持材に可動自在に設置し、押圧桿を回動
して腹起こし支持材を支柱に押圧固定する請求項4記載
の掘削溝用矢板式支保工の支柱構造。5. A pair of locking members for locking the support pillar, one side of which is raised and fixed to the support member, and the base end of the other one of the locking members is mounted on the support member such that the base end of the pair of locking members is movable. 5. The strut structure according to claim 4, wherein the push rod is rotated to protrude and the support member is pressed and fixed to the strut.
具に代えて支柱を囲繞するサドル枠を取り付け、サドル
枠を支柱に挿通するとともに押圧桿を支柱内面に当接さ
せ、押圧桿を回動して腹起こし支持材を支柱に押圧固定
する請求項4記載の掘削溝用矢板式支保工の支柱構造。6. A saddle frame surrounding the column is attached in place of the locking member attached to the side surface of the belly support member, the saddle frame is inserted into the column, and the pressing rod is brought into contact with the inner surface of the column to rotate the pressing rod. 5. The strut structure of a sheet pile type shoring for excavation trenches according to claim 4, wherein the bulging support material is pressed and fixed to the strut by moving.
又は下端に蝶番を取り付けて支持材側面部を開放可能と
し、該側面部より腹起こし材を装着可能とした請求項6
記載の掘削溝用矢板式支保工の支柱構造。7. The support member is provided with a hinge attached to an upper end or a lower end of the side member on the side opposite to the support column so that a side portion of the support member can be opened, and the member can be attached from the side portion.
The strut structure of the sheet pile type shoring for the excavation trench described in the above.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32943295A JP3252365B2 (en) | 1995-11-27 | 1995-11-27 | Pillar structure of sheet pile type support for excavation trench |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32943295A JP3252365B2 (en) | 1995-11-27 | 1995-11-27 | Pillar structure of sheet pile type support for excavation trench |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09144001A JPH09144001A (en) | 1997-06-03 |
JP3252365B2 true JP3252365B2 (en) | 2002-02-04 |
Family
ID=18221319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP32943295A Expired - Fee Related JP3252365B2 (en) | 1995-11-27 | 1995-11-27 | Pillar structure of sheet pile type support for excavation trench |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3252365B2 (en) |
-
1995
- 1995-11-27 JP JP32943295A patent/JP3252365B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH09144001A (en) | 1997-06-03 |
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