JP2533933B2 - Construction method of slope protection structure - Google Patents
Construction method of slope protection structureInfo
- Publication number
- JP2533933B2 JP2533933B2 JP1095009A JP9500989A JP2533933B2 JP 2533933 B2 JP2533933 B2 JP 2533933B2 JP 1095009 A JP1095009 A JP 1095009A JP 9500989 A JP9500989 A JP 9500989A JP 2533933 B2 JP2533933 B2 JP 2533933B2
- Authority
- JP
- Japan
- Prior art keywords
- protection structure
- slope
- slope protection
- vibrator
- cement
- 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)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は法面上に多孔性堰板を設けセメント系硬化材
を流し込みにより打設して法面保護構造物を構築する際
の施工法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is a construction method for constructing a slope protection structure by providing a porous barrier plate on the slope and pouring a cement-based hardening material by pouring. It is about.
〔従来技術〕 法面の崩壊を防ぐために、地山上に型枠を組んでコン
クリートなどのセメント系硬化材を打設して構築する法
面保護構造物が開発されている。このような法面でのコ
ンクリートの打設は、従来は吹き付けによる打設が採用
されていた。[Prior Art] In order to prevent the slope from collapsing, a slope protection structure has been developed in which a formwork is assembled on the ground and a cement-based hardening material such as concrete is placed to construct the slope. Conventionally, the casting of concrete on such slopes has been done by spraying.
一方、型枠の堰板としてはクリンプ金網やエキスパン
ドメタルなど金網が多く使用され、吹き付けにより打設
されたコンクリートなどが網目から出たものを手作業に
よって均していた。On the other hand, crimped wire nets and expanded metal wire nets are often used as dam plates for formwork, and concrete cast by spraying and the like that came out of the nets were leveled by hand.
上記したように吹き付けによる打設の欠点は、完成し
た法面保護構造物の強度が120kg/cm2程度と低いことで
あった。As described above, the drawback of the driving by spraying is that the strength of the completed slope protection structure is as low as 120 kg / cm 2 .
このため、型枠内にコンクリートなどを流し込む打設
方法が採用されるが、法面は斜面のため水・セメント比
の小さい低スランプのコンクリートなどを使用する必要
があり、こ硬化材を手作業で表面仕上げをするのは困難
で、しばしば亀裂を生じさせていた。また、硬化材の締
め固めをどのようにするかの課題が残されていた。For this reason, a casting method in which concrete or the like is poured into the formwork is adopted, but since the slope is a slope, it is necessary to use concrete with a low water / cement ratio and a low slump. It was difficult to finish the surface with, often causing cracks. Further, there remains a problem of how to compact the hardened material.
本発明は以上のような課題を解決するためになされた
もので、硬化材の締め固めと表面仕上げを容易に行える
とともに、設計通りの構造物を構築できる法面保護構造
物の施工法を提供することを目的とする。The present invention has been made to solve the above problems, and provides a method for constructing a slope protection structure that can easily perform compaction and surface finishing of a hardened material and can construct a structure as designed. The purpose is to do.
地山上に多孔性堰板を設置する。多孔性堰板としては
クリンプ金網やエキスパンドメタルなどの埋め殺し可能
な材料を使用する。二枚の堰板を平行に起立して、上縁
に外側に張り出すように定規を取り付ける。二枚の堰板
をスペーサーによって連結し、二枚の堰板の間に鉄筋を
配筋する。堰板は法面の傾斜に沿って延びている縦方向
の堰板と、これと直交する方向に延びている横方向の堰
板とによって全体として格子状になるように配置され
る。Install a porous dam on the ground. As the porous dam plate, a material that can be buried, such as a crimp wire mesh or expanded metal, is used. Set up two barrier plates in parallel and attach a ruler to the upper edge so that they project outward. Two dam plates are connected by a spacer, and reinforcing bars are arranged between the two dam plates. The barrier plate is arranged in a lattice shape as a whole by a vertical barrier plate extending along the slope of the slope and a horizontal barrier plate extending in a direction orthogonal to the vertical barrier plate.
設置された二枚の堰板の間にセメント系硬化材を打設
する。硬化材としては比較的水・セメント非が小さく、
スランプの小さいコンクリート、モルタルが使用され
る。打設は吹き付けでなく、堰板の間に流し込む方式が
採用される。A cement-based hardening material is placed between the two weir plates that have been installed. As a hardening material, water and cement are relatively small,
Small slump concrete and mortar are used. The method of pouring is not spraying, but pouring between the weir plates.
堰板間に打設した硬化材をバイブレータによって締め
固める。バイブレータにはこて部材を固定する。こて部
材は鋼板などによって形成するもので、上面仕上げ部
と、この上面仕上げ部の両端から直角に延びる二枚の側
面仕上げ部とから断面コ字形を成している。上面仕上げ
部と側面仕上げ部の連続する両端部はテーパー状に屈曲
している。こて部材はボトルやナットを利用してバイブ
レータに着脱自在に固定されている。The hardening material placed between the dam plates is compacted with a vibrator. A trowel member is fixed to the vibrator. The trowel member is formed of a steel plate or the like, and has a U-shaped cross section including an upper surface finishing portion and two side surface finishing portions extending at right angles from both ends of the upper surface finishing portion. Both continuous end portions of the top surface finishing portion and the side surface finishing portion are bent in a taper shape. The iron member is detachably fixed to the vibrator by using a bottle and a nut.
バイブレータを作動して、こて部材の上面仕上げ部と
側面仕上げ部をそれぞれ構造物の上面と両側面に押し当
てる。断面方形状の法面保護構造物に沿ってバイブレー
タを移動する。The vibrator is actuated to press the upper surface finishing portion and the side surface finishing portion of the trowel member against the upper surface and both side surfaces of the structure, respectively. The vibrator is moved along the slope protection structure having a rectangular cross section.
こて部材としては、上面仕上げ部と、この上面仕上げ
部の一端から直角に延びる側面仕上げ部によって断面Ｌ
字形に形成したものを使用してもよい。この断面Ｌ字形
こて部材を使用する時は、上面仕上げ部と側面仕上げ部
をそれぞれ構造物の上面の一方の側面に押し当てて、構
造物に沿ってバイブレータを移動する、一定長さ移動し
た後、こて部材の向きを反転して側面仕上げ部を構造物
他方の側面に押し当てて、もう一度構造物に沿って移動
して構造物の両側面を均して行く。As the trowel member, the upper surface finishing portion and the side surface finishing portion extending at a right angle from one end of the upper surface finishing portion have a cross section L.
You may use what was formed in the character shape. When this L-shaped trowel member is used, the upper surface finishing portion and the side surface finishing portion are pressed against one side surface of the upper surface of the structure, respectively, and the vibrator is moved along the structure, and is moved by a certain length. After that, the direction of the trowel member is reversed, the side surface finishing portion is pressed against the other side surface of the structure, and the side surface finishing portion is moved again along the structure to flatten both side surfaces of the structure.
バイブレータの振動によって構造物に振動を与え、セ
メント系硬化材を締め固める。こて部材をバイブレータ
の移動ととも構造物に押し当て表面を均すことができ
る。Vibration of the vibrator gives vibration to the structure to compact the cement-based hardening material. The iron member can be pressed against the structure with the movement of the vibrator to even the surface.
こて部材によって構造物の断面積を確認することがで
きる。こて部材と比較して断面積が小さければ盛り上
げ、大きければ削ることができる。従って、設計通りの
均一な構造物とすることができる。The cross-sectional area of the structure can be confirmed by the iron member. If the cross-sectional area is smaller than the iron member, it can be raised, and if it is large, it can be cut. Therefore, a uniform structure as designed can be obtained.
堰板上縁に取り付けた定規を案内として、こて部材を
移動することにより、堰板に対してセメント系硬化材の
十分なかぶり厚さを確保することができる。By moving the trowel member using the ruler attached to the upper edge of the dam plate as a guide, it is possible to secure a sufficient covering thickness of the cement-based hardening material with respect to the dam plate.
以下、図に示す一実施例に基づきこの発明を詳細に説
明する。The present invention will be described in detail below based on an embodiment shown in the drawings.
図において１は堰板であり、エキスパンドメタルより
成っている。この二枚の堰板1,1を平行に地山上に起立
してスペーサー２によって間隔を確保する。堰板1,1の
上縁には、互いに向き合う面の反対側、即ち堰板1,1の
外側となる両側に長手方向に連続して長尺の板体である
定規3,3がそれぞれ固定されている。定規3,3は中央に長
手方向の凹溝を持つ板体とし、その凹溝を堰板1,1の上
縁に嵌合して固定してもよい。二枚の堰板1,1間には長
手方向に沿って複数本の鉄筋４が背筋されている。この
ようにして構成する堰板が法面に縦横に交差して組み上
げられ、全体で格子状を成している。In the figure, 1 is a weir plate, which is made of expanded metal. The two dam plates 1 and 1 are erected parallel to each other on the ground, and a spacer 2 is used to secure a space. At the upper edge of the weir plates 1 and 1, rulers 3 and 3 which are long plates continuously in the longitudinal direction are fixed on the opposite sides of the surfaces facing each other, that is, on both sides outside the weir plates 1 and 1. Has been done. The rulers 3 and 3 may be plate bodies having a longitudinal groove in the center, and the groove may be fitted and fixed to the upper edges of the dam plates 1 and 1. A plurality of reinforcing bars 4 are provided between the two barrier plates 1 and 1 along the longitudinal direction. The dam plate constructed in this way is assembled by crossing the slope vertically and horizontally, and forms a lattice shape as a whole.
堰板1,1間に比較的水・セメント比が小さく、低スラ
ンプのコンクリート５を打設する。コンクリート５は吹
き付けるのではなく、流し込んで打設する。コンクリー
ト５はエキスパンドメタルの網目から外側へも流れ出
る。A concrete 5 with a relatively low water / cement ratio and a low slump is placed between the dam plates 1 and 1. The concrete 5 is not poured, but poured and poured. Concrete 5 also flows outward from the mesh of expanded metal.
このコンクリート５をバイブレータ６によって締め固
める。バイブレータ６にはこて部材７を取り付けてお
く。第３図に示すこて部材７は、上面仕上げ部８と、こ
の上面仕上げ部８の両端から直角に延びる平行な二枚の
側面仕上げ部9,9とによって断面コ字形を成している。
上面仕上げ部８と側面仕上げ部9,9の連続する端部はテ
ーパ状に屈曲され、すべり部10が形成されている。上面
仕上げ部８を上面にはボルト11が複数本突設され、この
ボルト11をバイブレータ６の孔を通してナット12によっ
て固定する。従ってこて部材７はバイブレータ６に対し
て着脱自在で、構造物の断面寸法に合わせて適宜選択使
用可能となっている。The concrete 5 is compacted by the vibrator 6. A trowel member 7 is attached to the vibrator 6. The trowel member 7 shown in FIG. 3 has a U-shaped cross section by an upper surface finishing portion 8 and two parallel side surface finishing portions 9, 9 extending at right angles from both ends of the upper surface finishing portion 8.
A continuous end portion of the upper surface finishing portion 8 and the side surface finishing portions 9 and 9 is bent in a tapered shape to form a sliding portion 10. A plurality of bolts 11 are projectingly provided on the upper surface of the upper surface finishing portion 8, and the bolts 11 are fixed by nuts 12 through the holes of the vibrator 6. Therefore, the iron member 7 can be attached to and detached from the vibrator 6, and can be appropriately selected and used in accordance with the sectional size of the structure.
こて部材７を構造物の上に被せるようにして、上面仕
上げ部８を上面に、側面仕上げ部9,9を側面に押し当て
る。この状態でバイブレータ６を作動してコンクリート
５を締め固める。バイブレータ６を構造物に沿って移動
して締め固めると同時に表面を均していく。堰板1,1上
縁には定規3,3が連続して固定されており、こて部材７
はこの定規3,3上を滑らせることができ、スムースな移
動が可能である。As the iron member 7 is put on the structure, the upper surface finishing portion 8 is pressed against the upper surface and the side surface finishing portions 9 and 9 are pressed against the side surfaces. In this state, the vibrator 6 is operated to compact the concrete 5. The vibrator 6 is moved along the structure to be compacted and at the same time the surface is leveled. Rulers 3 and 3 are continuously fixed to the upper edges of the weir plates 1 and 1, and the iron member 7
Can slide on the rulers 3 and 3 for smooth movement.
こて部材７に対して構造物の断面が小さい場合は、そ
の部分にコンクリリート５を盛り上げ、多すぎる場合は
削り取ることによって、設計通りの均一な構造物とする
ことができる。When the cross section of the structure is smaller than the iron member 7, the concrete 5 is raised in that portion, and when it is too large, a uniform structure as designed can be obtained.
第４図に示すのは他のこて部材７であり、上面仕上げ
部８と、この上面仕上げ部８一端から突出した側面仕上
げ部９によって断面Ｌ字形を成している。このようなこ
て部材７をバイブレータ６に取り付け、上面仕上げ部８
を構造物の上面に、側面仕上げ部９を構造物の側面に押
し当てて構造物に沿って移動する。一定長さの移動を終
えた後、側面仕上げ部９を構造物の他方の側面に押し当
てて再び構造物の同じ部分に沿って移動して表面を均し
ていく。FIG. 4 shows another trowel member 7, which has an L-shaped cross section by an upper surface finishing portion 8 and a side surface finishing portion 9 protruding from one end of the upper surface finishing portion 8. Such a trowel member 7 is attached to the vibrator 6, and the upper surface finishing portion 8
Is pressed against the upper surface of the structure and the side surface finishing portion 9 is pressed against the side surface of the structure to move along the structure. After the movement of a certain length is finished, the side surface finishing portion 9 is pressed against the other side surface of the structure and again moved along the same portion of the structure to level the surface.
第５図に示すのはこて部材７の他の実施例であって、
上面仕上げ部８と側面仕上げ部9,9との間に、両面に鈍
角に交差する隅欠部13,13を設けてある。このようなこ
て部材７であると構造物の隅角にテーパー状の切欠きが
形成され、作業者が触れて怪我をしたり、ロープなどの
資材を破損する危険性が少なくなる。FIG. 5 shows another embodiment of the trowel member 7,
Between the upper surface finishing portion 8 and the side surface finishing portions 9 and 9, there are provided corner cutout portions 13 and 13 which intersect the obtuse angle on both surfaces. With such an iron member 7, tapered notches are formed at the corners of the structure, and there is less risk of an operator touching them and injuring them or damaging materials such as ropes.
〔発明の効果〕 本発明は以上のような構成を有し、以下のような効果
を得ることができる。[Advantages of the Invention] The present invention has the above-mentioned configuration, and the following effects can be obtained.
（１）コンクリートを流し込んでバイブレータによって
締め固めるため、強度の大きな法面保護構造物となる。(1) Since concrete is poured and compacted by a vibrator, the slope protection structure has high strength.
（２）こて部材をコクリート表面に押し当てて移動する
ことにより、締め固めと同時に容易に表面仕上げを行う
ことが可能となる。(2) By pressing the iron member against the surface of the cocrete and moving it, it is possible to easily perform surface finishing simultaneously with compaction.
（３）こて部材によってコンクリートの断面の大きさと
設計上の寸法との違いを知ることができ、小さい場合に
はコンクリートを盛り、大きい場合には削って、設計通
りの信頼できる法面保護構造物を構築することができ
る。(3) The trowel member allows you to know the difference between the size of the cross section of concrete and the design size. If it is small, concrete is piled up, if it is large, it is scraped, and the slope protection structure is as reliable as designed. You can build things.
（４）こて部材はバイブレーに着脱自在に取り付けてあ
るので、こて部材の水洗いを簡易に行うことが可能であ
り、こて部材の交換により種々の断面寸法の法面保護構
造物に対応することができる。(4) The trowel member is detachably attached to the vibra, so it is possible to easily wash the trowel member with water, and by replacing the trowel member, it is compatible with slope protection structures with various cross-sectional dimensions. can do.
（５）堰板の外側に張り出した定規を堰板上縁に取付け
てあるので、定規に沿って、こて部材を移動することに
よって堰板に対するかぶり厚さを正確に確保でき、法面
保護構造物の信頼性を一層向上させることができる。(5) Since the ruler protruding outside the weir plate is attached to the upper edge of the weir plate, by moving the trowel member along the ruler, the cover thickness for the weir plate can be accurately ensured and slope protection. The reliability of the structure can be further improved.
第１図は本発明の施工法により施工した法面保護構造物
の斜視図、第２図はバイブレータによりコンクリートを
締め固めしている状態の断面図、第３図および第４図は
こて部材の斜視図、第５図は他のこて部材の断面図であ
る。 １……堰板、２……スペーサー、３……定規、４……鉄
筋、５……コンクリート、６……バイブレータ、７……
こて部材、８……上面仕上げ部、９……側面仕上げ部、
10……すべり部。FIG. 1 is a perspective view of a slope protection structure constructed by the construction method of the present invention, FIG. 2 is a sectional view of concrete being compacted by a vibrator, and FIGS. 3 and 4 are trowel members. FIG. 5 is a sectional view of another trowel member. 1 ... Weir plate, 2 ... Spacer, 3 ... Ruler, 4 ... Reinforcing bar, 5 ... Concrete, 6 ... Vibrator, 7 ...
Trowel member, 8 ... Top finishing part, 9 ... Side finishing part,
10 …… Slip section.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中西 章 神奈川県横浜市戸塚区戸▲塚▼町3755― １―１―10 (56)参考文献 特開 昭63−247426（ＪＰ，Ａ) 特開 昭64−24957（ＪＰ，Ａ) 特開 昭62−233341（ＪＰ，Ａ) 安保昭著「土木特殊工法シリーズ３の り面緑化工法」（1983−11−８）森北出 版株式会社Ｐ．131−133 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akira Nakanishi 3755-1-11-10 Totsuka-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture (56) References JP-A-63-247426 (JP, A) JP 64-24957 (JP, A) JP-A-62-233341 (JP, A) Akira Abo, "Civil engineering special construction method series 3, slope surface greening construction method" (1983-11-8) P.M. 131-133
Claims (2)
向に、それぞれ二枚の多孔性堰板を平行に起立し、該多
孔性堰板の上縁には堰板の外側に張り出して定規を取り
つけ、該多孔性堰板間にセメント系硬化材を流し込みに
より打設して格子状の法面保護構造物を造形し、バイブ
レータに取り付けた断面略コ字形のこて部材を法面保護
構造物の上面および両側面に押し当て、セメント系硬化
材の表面をバイブレータの振動によって均しながら法面
保護構造物に沿って移動することを特徴とする法面保護
構造物の施工法。1. Two ruled porous dam plates are erected parallel to each other in an inclined direction on a slope and in a direction orthogonal thereto, and a ruler is provided at an upper edge of the porous dam plate so as to project outside the dam plate. And a cement-based hardening material is poured between the porous dam plates to form a lattice-shaped slope protection structure, and a trowel member with a substantially U-shaped cross section attached to the vibrator is used as the slope protection structure. A method for constructing a slope protection structure, which is characterized in that the cement hardener is moved along the slope protection structure while being pressed against the upper surface and both side surfaces of the object and leveled by the vibration of the vibrator.
向に、それぞれ二枚の多孔性堰板を平行に起立つし、該
多孔性堰板の上縁には堰板の外側に張り出して定規を取
りつけ、該多孔性堰板間にセメント系硬化材を流し込み
により打設して格子状の法面保護構造物を造形し、バイ
ブレータに取り付けた断面略Ｌ字形のこて部材を法面保
護構造物の上面および一方の側面に押し当て、セメント
系硬化材の表面をバイブレータの振動によって均しなが
ら法面保護構造物に沿って移動して一定長さ均した後、
こて部材の向きを反転して法面保護構造物の上面および
他方の側面に押し当てセメント系硬化材の表面を均しな
がら再び法面保護構造物に沿って移動することを特徴と
する法面保護構造物の施工法。2. Two porous dam plates are erected parallel to each other in an inclined direction on the slope and in a direction orthogonal to the slope direction, and the porous dam plate is protruded outside the dam plate at the upper edge thereof. A ruler is attached, a cement-based hardening material is poured between the porous dam plates to form a lattice-shaped slope protection structure, and the iron member with a substantially L-shaped cross section attached to the vibrator is slope-protected. After pressing against the top surface and one side surface of the structure, moving the surface of the cement-based hardening material along the slope protection structure while leveling it by the vibration of the vibrator, and leveling it for a certain length,
A method characterized in that the direction of the iron member is reversed and pressed against the upper surface and the other side surface of the slope protection structure, and the surface of the cement-based hardening material is leveled and moved again along the slope protection structure. Construction method of surface protection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1095009A JP2533933B2 (en) | 1989-04-14 | 1989-04-14 | Construction method of slope protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1095009A JP2533933B2 (en) | 1989-04-14 | 1989-04-14 | Construction method of slope protection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02272114A JPH02272114A (en) | 1990-11-06 |
| JP2533933B2 true JP2533933B2 (en) | 1996-09-11 |
Family
ID=14125941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1095009A Expired - Fee Related JP2533933B2 (en) | 1989-04-14 | 1989-04-14 | Construction method of slope protection structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2533933B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH057732U (en) * | 1991-07-15 | 1993-02-02 | 星祥 飯田 | Leveling iron |
| JP2852610B2 (en) * | 1994-07-12 | 1999-02-03 | 俊一 上野 | Formwork method that requires no formwork |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62233341A (en) * | 1986-03-31 | 1987-10-13 | Shoichi Hashimoto | Construction work of block foundation |
| JPS6424957A (en) * | 1987-07-18 | 1989-01-26 | Katsunori Tanada | Trowel with vibrator for plasterer |
-
1989
- 1989-04-14 JP JP1095009A patent/JP2533933B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| 安保昭著「土木特殊工法シリーズ３のり面緑化工法」（１９８３−１１−８）森北出版株式会社Ｐ．１３１−１３３ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02272114A (en) | 1990-11-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |