JP3661808B2 - On-site frame inspection tool - Google Patents

On-site frame inspection tool Download PDF

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Publication number
JP3661808B2
JP3661808B2 JP32983395A JP32983395A JP3661808B2 JP 3661808 B2 JP3661808 B2 JP 3661808B2 JP 32983395 A JP32983395 A JP 32983395A JP 32983395 A JP32983395 A JP 32983395A JP 3661808 B2 JP3661808 B2 JP 3661808B2
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Japan
Prior art keywords
frame
mortar
grid
inspection
lattice
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JP32983395A
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Japanese (ja)
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JPH09144011A (en
Inventor
美津男 谷口
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Nisshoku Corp
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Nisshoku Corp
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Description

【0001】
【発明の属する技術分野】
この発明は、例えば道路や造成地などの法面を緑化するようなときに適用される現場打ち法枠工法において形成される格子状法枠の寸法を検測するための新規な現場打ち法枠検測具に関する。
【0002】
【従来の技術】
前記現場打ち法枠工法として、例えば特公昭58−20338号公報に示される「法面安定工法」がある。この工法は、法面に金網などの網状体を敷設した後、この網状体上に鉄筋を格子状に敷設し、この格子状鉄筋にモルタルまたはコンクリート(以下、モルタル等と言う)を吹き付けてモルタル等よりなる格子状法枠を形成するようにしたものであるので、従来のプレハブ式や現場打ち法枠工法などに比べて、施工性や強度に優れているとともに、使用する器材が少なく安価であるといった利点がある。
【0003】
【発明が解決しようとする課題】
ところで、現行の土木基準では、前記格子状鉄筋を覆うモルタル等の厚み(これを被り厚と言う)が鉄筋のどの面からも一定以上確保されていることが、所要強度の格子状法枠を得るための品質管理基準として必要とされている。しかしながら、前記現場打ち法枠工法は、型枠を用いない現場打ち法枠工法であるとともに、モルタル等の吹き付けは、法面上の不安定な場所で現場作業として行われることから、格子状鉄筋に対するモルタル等の吹付け幅および吹き付け高さが不均一となりやすく、所定寸法の格子状法枠を形成するのに相当の熟練度を要するとともに、格子状法枠の寸法や強度にバラツキを生じることを避けることができなかった。
【0004】
この発明は、上述の事柄に留意してなされたもので、型枠を用いない現場打ち法枠工法において、モルタル等よりなる格子状法枠の寸法を熟練を要することなく簡単に検測できて前記格子状法枠を規格通りの寸法に形成できる現場打ち法枠検測具を提供することを目的としている。
【0005】
【課題を解決するための手段】
上記目的を達成するため、この発明は、法面に網状体を張設した後、この網状体上に鉄筋を格子状に配置し、この鉄筋にモルタルまたはコンクリートを吹き付けてモルタルまたはコンクリートよりなる格子状法枠を形成する現場打ち法枠工法に用いられ、規格通りのモルタルまたはコンクリートの吹き付け幅および吹き付け高さに適合した寸法を有し、吹きつけられた前記格子状法枠に押当てることでこの格子状法枠の寸法が鉄筋のまわりに目安通りの吹き付け幅および吹き付け高さを有するものであることを確認するように検測可能な検測部と、この検測部を前記格子状法枠に押当てるための把手とを備えたことを特徴としている。
【0006】
前記現場打ち法枠検測具は、モルタルまたはコンクリートよりなる格子状法枠を形成する現場打ち法枠工法に用いられ、前記格子状法枠の寸法を検測するためのものであって、その使用に当たっては、モルタル等の吹き付けと検測部による検測とを交互に繰り返し行うのが好ましい。すなわち、モルタル等の吹き付けを行いながら作業者が把手を持って形成されたばかりの格子状法枠部分に検測部をその都度押当てながら寸法の検測を行う。そして、検測を行った格子状法枠部分が、規格通りのモルタル等の吹き付け幅および吹き付け高さに吹き付けられていないことが判明した場合には、当該格子状法枠部分を崩して再度モルタル等の吹き付けを行い、検測をやり直せばよい。このように、作業者は形成されたばかりの格子状法枠部分に検測部を押当てることで、規格通りにモルタル等が吹き付けられたか否かを確認しながら吹き付け作業を行える。そして、作業者はモルタル等の吹き付け・検測部による検測を繰り返しながら、鉄筋によって形成される格子枠の全ての辺に格子状法枠を形成できる。なお、前記現場打ち法枠検測具は、格子状法枠の形成途中に限らず、格子状法枠の形成後にも使用できることは勿論である。これにより、格子状鉄筋に対するモルタル等の吹付け幅および吹き付け高さが不均一となりやすく、所定寸法の格子状法枠を形成するのに相当の熟練度を要するといった従来の問題点を解決でき、鉄筋のまわりに所定の被り厚を有し、かつ目安通りの吹き付け幅および吹き付け高さを有する格子状法枠を何人でも容易に法面に形成できる。
【0007】
【発明の実施の形態】
図1、図2はこの発明の第1の実施形態の現場打ち法枠検測具を使用した現場打ち法枠工法を示している。
図1、図2において、現場打ち法枠検測具1は、規格通りのモルタル等2の吹き付け幅Aおよび吹き付け高さBに適合した寸法を有し、正面視略弓形の検測部3および把手4で構成される。この実施形態は、検測具1を、幅Aが30〜35cm程度、高さBが10〜15cm程度のモルタル等よりなる格子状法枠5の形成に用いた場合を示している。検測部3は、適宜太さ(例えば直径4〜8mm)の線材よりなる。この線材の材料としては、加工が容易な鉄、アルミニューム、プラスチック等が好ましい。
【0008】
そして、網状体6は、法面7に打設したスペーサーピン(図示せず)等の保持手段に結束され、これにより網状体6は所定の高さh(例えば3〜4cm)に浮設保持される。また、格子状法枠5は、法面7に鉄筋8によって形成される格子枠の一辺Lが1〜2m区画に形成されている。なお、鉄筋8は後述するように所定の高さT(例えば5cm)に保持されている。符号9はモルタル等2を吹き付けるためのノズルである。また、10は、格子状鉄筋8領域以外でモルタル等2が吹き付けられるのを防止する被覆部材である。
【0009】
次に、上記検測具1を用いた現場打ち法枠工法の一例について説明する。
【0010】
予め整形された法面7に目合いが例えば5〜6cm程度の菱形金網などの網状体6を敷設した後、この網状体6上に鉄筋8を格子状に配置する。この場合、網状体6の上に例えば直径が9〜13mm程度の鉄筋8を一辺が1〜2m程度の格子状に組み合わせて配置する。鉄筋8の交点には例えば直径16mm、長さ40〜50cm程度のアンカー11(図1参照)を法面7から7〜8cm程度突出させた状態で打ち込み、鉄筋8を適宜の結束線(図示せず)を用いてアンカー11の突出部に結束する一方、前記交点と交点との間にも、例えば直径9mm、長さ30cm程度のアンカー12(図2参照)を法面7から7〜8cm程度突出させた状態で打ち込み、鉄筋8を適宜の結束線(図示せず)を用いてアンカー12の突出部12aに結束する。これにより鉄筋8を所定の高さT(例えば5cm)に保持できる。
【0011】
そして、スペーサーピン(図示せず)を用いて網状体6を浮設保持する。これにより網状体6は鉄筋8の保持高さTよりも低い所定の高さh(例えば3〜4cm)の位置に浮設保持される。
【0012】
以上のように構成した格子状鉄筋8に、例えば含水率が7〜8%程度の低スランプのモルタル等2をモルタルガン機などの土木用吹付機(図示せず)によって吹き付ける。この場合、モルタル等2の吹き付けにより形成されたばかりの格子状法枠部分に作業者が把手4を持って検測部3を押当てて格子状法枠部分の寸法の検測を行う。仮に、規格通りのモルタル等2の吹き付け幅Aおよび吹き付け高さBに吹き付けられていないことが判明した場合には、当該格子状法枠部分を崩してモルタル等2の吹き付けをやり直す。そして、作業者はモルタル等2の吹き付け・検測部3による検測を繰り返しながら、鉄筋8によって形成される格子枠の一つの辺L(=1〜2m)に格子状法枠5を形成する。このようにして、全ての格子枠に規格通りの寸法を有する格子状法枠5が形成される。つまり、鉄筋8のまわりに所定の被り厚を有し、かつ幅Aが30〜35cm、高さBが10〜15cm程度のモルタル等よりなる目安通りの格子状法枠5を形成できる。しかも格子状法枠5を形成するのに相当の熟練度を要することなく素人でも容易に格子状法枠5を形成できる。
【0013】
以上のようにして法面7に形成されたモルタル等2よりなる格子状法枠5内に、土壌、有機質材、保水材(土壌改良材)などと芝草、野草、低木類などの種子とを混合してなる植生材料を動力吹付け機などを用いて吹き付けて植生層12(図1参照)を形成したり、また、これに代えて、前記植生材料を粗目の袋体に充填した植生袋(図示してない)を配置するなどして、従来不可能とされていた岩盤法面などにも植生を導入することが可能となり、法面の景観の向上および植生の根や茎などによる法面の恒久的安定に寄与するところが大きい。
【0014】
この発明は、上述の第1の実施形態に限られるものではなく、種々に変形して実施できる。以下にそれらの実施形態を示す。
図3は、検測部の押当て面積を大きくしたこの発明の検測具の第2の実施形態を示すものである。
この実施形態では、検測具21が、上記第1の実施形態で用いた線材を折曲させて正面視略弓形で、かつ平面視略矩形の湾曲枠体からなる検測部22と、把手23で構成される。このように第2の実施形態では、検測部22の押当て面積を大きくしたので、検測部22を格子状法枠部分に押当てたときの安定性が増して検測作業を容易に行える。
【0015】
図4は、検測部を枠体ではなくて板状に形成したこの発明の検測具の第3の実施形態を示すものである。
この実施の形態では、検測具24が、アルミニウムや鉄等の湾曲板体からなる検測部25と、把手26で構成される。
【0016】
図5は、正面視略台形の検測部28を備えたこの発明の第4の実施形態を示す。
図5において、検測具27は、規格通りのモルタル等2の吹き付け幅C,Dおよび吹き付け高さEに適合した寸法を有し、正面視略台形の検測部28および把手29で構成される。この実施形態は、検測具27を、上端幅C(例えば10〜15cm程度)、下端幅D(例えば20〜30cm程度)、高さE(例えば10〜15cm程度)のモルタル等よりなる格子状法枠5の形成に用いた場合を示している。検測部28は、上記第1の実施形態で用いたのと同様の線材よりなる。 なお、この第4の実施形態の変形例として、検測部を、線材を折曲させて正面視略台形の枠体に形成したり、あるいは、板体を用いて形成することにより、検測部の押当て面積を大きくなるように構成してもよい。
【0017】
【発明の効果】
以上説明したように、この発明においては、法面に網状体を張設した後、この網状体上に鉄筋を格子状に配置し、この鉄筋にモルタルまたはコンクリートを吹き付けてモルタルまたはコンクリートよりなる格子状法枠を形成する現場打ち法枠工法に用いられ、規格通りのモルタルまたはコンクリートの吹き付け幅および吹き付け高さに適合した寸法を有し、前記格子状法枠の寸法が検測可能な検測部と、この検測部を前記格子状法枠に押当てるための把手とを備えたので、作業者は、格子状法枠部分に検測部を押当てることで、規格通りにモルタル等が吹き付けられたか否かを格子状法枠の形成中・形成後にかかわらずいつでも確認できる。しかもその確認作業は、格子状法枠に作業者が把手を持って検測部を押当てて寸法の検測を行うだけであるので簡単である。また、鉄筋によって形成される全ての格子枠に規格通りの寸法を有する格子状法枠を形成するのに相当の熟練度を要することなく素人でも容易に格子状法枠を形成できる。
【0018】
このように、検測具を設けるだけで、従来格子状鉄筋に対するモルタル等の吹付け幅および吹き付け高さが不均一となりやすく、所定寸法の格子状法枠を形成するのに相当の熟練度を要するとともに、格子状法枠の寸法や強度にバラツキを生じることを避けることができなかったという問題点を解消できる。
【図面の簡単な説明】
【図1】 この発明の第1の実施形態の現場打ち法枠検測具を使用した現場打ち法枠工法を示す斜視図である。
【図2】 上記現場打ち法枠工法の要部を示す図である。
【図3】 この発明の第2の実施形態の現場打ち法枠検測具を示す斜視図である。
【図4】 この発明の第3の実施形態の現場打ち法枠検測具を示す斜視図である。
【図5】 この発明の第4の実施形態の現場打ち法枠検測具を使用した現場打ち法枠工法を示す図である。
【符号の説明】
1,21,24,27…検測具、2…モルタルまたはコンクリート、3,22,25,28…検測部、4,23,26,29…把手、5…格子状法枠、6…網状体、7…法面、8…鉄筋。
[0001]
BACKGROUND OF THE INVENTION
The present invention is a novel field-casting frame for measuring the size of a grid-like frame formed in a field-casting frame method applied when, for example, a slope of a road or a land is greened. It relates to the inspection instrument.
[0002]
[Prior art]
An example of the on-site casting method is “slope stabilization method” disclosed in Japanese Patent Publication No. 58-20338. In this method, after laying a mesh body such as a wire mesh on the slope, reinforced bars are laid on the mesh body, and mortar or concrete (hereinafter referred to as mortar) is sprayed on the grid reinforcement. Since it is designed to form a grid-like method frame made of, etc., it is superior in workability and strength compared to the conventional prefabricated method and on-site method frame method, etc., and uses less equipment and is inexpensive. There is an advantage that there is.
[0003]
[Problems to be solved by the invention]
By the way, according to the current civil engineering standards, the thickness of a mortar or the like covering the grid-like reinforcing bars (referred to as the covering thickness) is ensured to be a certain level or more from any surface of the reinforcing bars. It is required as a quality control standard to obtain. However, the on-site casting method is a on-site casting method that does not use a formwork, and the spraying of mortar and the like is performed as an on-site work in an unstable place on the slope, so that The spray width and spray height of mortar, etc. are likely to be non-uniform, and a considerable degree of skill is required to form a grid-like method frame with a predetermined size, and the size and strength of the grid-like method frame vary. Could not be avoided.
[0004]
The present invention has been made in consideration of the above-mentioned matters, and in a spot casting method that does not use a formwork, it is possible to easily measure the dimensions of a grid-like method frame made of mortar or the like without requiring skill. It is an object of the present invention to provide an on-site frame inspection tool capable of forming the lattice method frame to a standard size.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a grid made of mortar or concrete by placing a mesh on the slope and arranging reinforcing bars in a grid on the mesh and spraying mortar or concrete on the reinforcement. It is used in the on-site casting method to form the shape method frame, has a size that conforms to the spray width and height of mortar or concrete according to the standard, and is pressed against the sprayed lattice method frame the grid-like method and gage capable gage unit to confirm, the gage section that the dimensions of the lattice-like process frame and has a spraying width and spraying height guideline as around the reinforcing bars It is characterized by having a handle for pressing against the frame.
[0006]
The in-situ method frame inspection instrument is used in a in-situ method method for forming a lattice method frame made of mortar or concrete, and is used for measuring the dimensions of the lattice method frame, In use, it is preferable to alternately repeat the spraying of mortar or the like and the inspection by the inspection unit. In other words, while spraying mortar or the like, the operator measures the dimensions while pressing the measuring unit against the lattice method frame portion just formed with the handle. If it is found that the grid-like frame part that has been measured has not been sprayed to the spray width and spray height of mortar or the like as specified, the grid-like frame part is destroyed and the mortar is again Etc., and repeat the inspection. Thus, the operator can perform the spraying operation while checking whether or not the mortar or the like has been sprayed according to the standard by pressing the inspection unit against the lattice-shaped frame that has just been formed. Then, the operator can form a lattice method frame on all sides of the lattice frame formed by the reinforcing bars while repeating the inspection by the spraying / inspection unit such as mortar. Of course, the on-site method frame inspection instrument can be used not only during the formation of the lattice method frame but also after the formation of the lattice method frame. This makes it possible to solve the conventional problems that the spray width and spray height, such as mortar, for the grid-like reinforcing bars are likely to be non-uniform, and a considerable degree of skill is required to form a grid-like frame with a predetermined dimension, A grid-like method frame having a predetermined covering thickness around the reinforcing bar and having a blowing width and a blowing height as a guide can be easily formed on the slope.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 and FIG. 2 show a spot casting method using the spot casting frame inspection tool according to the first embodiment of the present invention.
1 and 2, a spot casting frame inspection tool 1 has a size that conforms to a spraying width A and a spraying height B of a mortar or the like 2 as specified, It consists of a handle 4. This embodiment shows a case where the measuring instrument 1 is used to form a lattice method frame 5 made of mortar having a width A of about 30 to 35 cm and a height B of about 10 to 15 cm. The inspection unit 3 is made of a wire having an appropriate thickness (for example, a diameter of 4 to 8 mm). As the material of the wire, iron, aluminum, plastic, etc., which can be easily processed, are preferable.
[0008]
The mesh body 6 is bound to a holding means such as a spacer pin (not shown) placed on the slope 7 so that the mesh body 6 is floated and held at a predetermined height h (for example, 3 to 4 cm). Is done. Moreover, the grid-like method frame 5 has one side L of the lattice frame formed by the reinforcing bars 8 on the slope 7 in 1 to 2 m sections. The reinforcing bar 8 is held at a predetermined height T (for example, 5 cm) as will be described later. Reference numeral 9 denotes a nozzle for spraying mortar 2 or the like. Reference numeral 10 denotes a covering member that prevents the mortar or the like 2 from being sprayed outside the latticed reinforcing bar 8 region.
[0009]
Next, an example of the on-site casting method using the inspection instrument 1 will be described.
[0010]
After laying a mesh body 6 such as a rhombus wire mesh having a mesh of about 5 to 6 cm, for example, on the slope 7 that has been shaped in advance, the reinforcing bars 8 are arranged on the mesh body 6 in a grid pattern. In this case, for example, reinforcing bars 8 having a diameter of about 9 to 13 mm are combined and arranged on the mesh body 6 in a lattice shape having a side of about 1 to 2 m. For example, an anchor 11 (see FIG. 1) having a diameter of 16 mm and a length of about 40 to 50 cm is driven into the intersection of the reinforcing bars 8 in a state of protruding about 7 to 8 cm from the slope 7, and the reinforcing bars 8 are appropriately bound (not shown). 2), the anchor 12 (see FIG. 2) having a diameter of about 9 mm and a length of about 30 cm is also provided between the intersection points and the intersection points from the slope 7 to about 7 to 8 cm. It drives in the state made to protrude, and binds the reinforcing bar 8 to the protrusion part 12a of the anchor 12 using a suitable binding wire (not shown). Thereby, the reinforcing bar 8 can be held at a predetermined height T (for example, 5 cm).
[0011]
Then, the mesh body 6 is floated and held using a spacer pin (not shown). Thereby, the mesh body 6 is floated and held at a position of a predetermined height h (for example, 3 to 4 cm) lower than the holding height T of the reinforcing bars 8.
[0012]
For example, a low slump mortar 2 having a moisture content of about 7 to 8% is sprayed onto the grid-like reinforcing bars 8 configured as described above by a civil engineering sprayer (not shown) such as a mortar gun machine. In this case, the operator holds the handle 4 against the lattice method frame portion just formed by spraying the mortar 2 and the like, and presses the inspection unit 3 to measure the size of the lattice method frame portion. If it becomes clear that the spray width A and spray height B of the mortar 2 according to the standard are not sprayed, the grid-like frame portion is destroyed and spraying of the mortar 2 is performed again. Then, the operator forms the grid-like frame 5 on one side L (= 1 to 2 m) of the grid frame formed by the reinforcing bars 8 while repeating the measurement by the spraying / detecting unit 3 of the mortar 2 and the like. . In this way, the lattice-like method frame 5 having a standard size is formed on all the lattice frames. That is, the grid-like method frame 5 having a predetermined covering thickness around the reinforcing bar 8, the mortar having a width A of about 30 to 35 cm, and a height B of about 10 to 15 cm can be formed. Moreover, the lattice-like method frame 5 can be easily formed even by an amateur without requiring a considerable degree of skill to form the lattice-like method frame 5.
[0013]
In the lattice method frame 5 made of mortar 2 formed on the slope 7 as described above, soil, organic material, water retention material (soil improvement material), etc. and seeds such as turfgrass, wild grass, shrubs, etc. A vegetation layer 12 (see FIG. 1) is formed by spraying the mixed vegetation material using a power sprayer or the like, or instead, a vegetation bag in which a coarse bag body is filled with the vegetation material. It is possible to introduce vegetation to rock slopes that were previously impossible by arranging (not shown), etc., improving the landscape of the slope and using the roots and stems of the vegetation It greatly contributes to the permanent stability of the surface.
[0014]
The present invention is not limited to the first embodiment described above, and can be implemented with various modifications. These embodiments are shown below.
FIG. 3 shows a second embodiment of the inspection tool of the present invention in which the pressing area of the inspection unit is increased.
In this embodiment, the inspection tool 21 is formed by bending the wire used in the first embodiment to have a substantially arcuate shape in front view and a curved frame body having a substantially rectangular shape in plan view, and a handle. 23. As described above, in the second embodiment, since the pressing area of the inspection unit 22 is increased, the stability when the inspection unit 22 is pressed against the lattice method frame portion is increased and the inspection operation is facilitated. Yes.
[0015]
FIG. 4 shows a third embodiment of the measuring instrument of the present invention in which the measuring section is formed in a plate shape instead of a frame.
In this embodiment, the measuring instrument 24 includes a measuring unit 25 made of a curved plate such as aluminum or iron, and a handle 26.
[0016]
FIG. 5 shows a fourth embodiment of the present invention provided with a substantially trapezoidal inspection unit 28 in front view.
In FIG. 5, the measuring instrument 27 has dimensions conforming to the spraying widths C and D and the spraying height E of a mortar or the like 2 according to the standard, and includes a substantially trapezoidal measuring unit 28 and a handle 29 in front view. The In this embodiment, the inspection instrument 27 is formed in a lattice shape made of mortar having an upper end width C (for example, about 10 to 15 cm), a lower end width D (for example, about 20 to 30 cm), and a height E (for example, about 10 to 15 cm). The case where it used for formation of the method frame 5 is shown. The inspection unit 28 is made of a wire similar to that used in the first embodiment. As a modification of the fourth embodiment, the measurement unit is formed by bending a wire to form a substantially trapezoidal frame body in front view or by using a plate. You may comprise so that the pressing area of a part may become large.
[0017]
【The invention's effect】
As described above, in the present invention, after a mesh body is stretched on the slope, reinforcing bars are arranged in a grid pattern on the mesh body, and mortar or concrete is sprayed on the reinforcing bars to form a grid made of mortar or concrete. It is used in the field casting method to form the shape method frame, and has a size that conforms to the spraying width and height of mortar or concrete according to the standard, and can measure the size of the lattice method frame. And a handle for pressing the inspection unit against the lattice method frame, the operator can press the inspection unit against the lattice method frame part so that the mortar or the like can be Whether or not the spray has been sprayed can be confirmed at any time during or after the formation of the grid-like frame. In addition, the confirmation work is simple because the operator simply holds the handle on the grid-like frame and presses the inspection unit to measure the dimensions. Moreover, even for an amateur, it is possible to easily form a lattice-shaped method frame without requiring a considerable degree of skill to form a lattice-shaped method frame having a standard size on all lattice frames formed by reinforcing bars.
[0018]
In this way, simply by providing a measuring instrument, the spray width and spray height of mortar and the like on the conventional grid-like reinforcing bars are likely to be non-uniform, and a considerable degree of skill is required to form a grid-like frame with a predetermined size. In addition, it is possible to solve the problem that variations in the size and strength of the lattice method frame cannot be avoided.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a spot casting method using a spot casting frame inspection tool according to a first embodiment of the present invention.
FIG. 2 is a diagram showing a main part of the on-site casting method.
FIG. 3 is a perspective view showing an on-site method frame inspection tool according to a second embodiment of the present invention.
FIG. 4 is a perspective view showing an on-site frame inspection device according to a third embodiment of the present invention.
FIG. 5 is a diagram showing an on-site method frame construction method using an on-site method frame measuring instrument according to a fourth embodiment of the present invention.
[Explanation of symbols]
1, 2, 24, 27 ... Inspection tool, 2 ... Mortar or concrete, 3,22,25,28 ... Inspection part, 4,23,26,29 ... Handle, 5 ... Lattice frame, 6 ... Reticulated Body, 7 ... slope, 8 ... rebar.

Claims (2)

法面に網状体を張設した後、この網状体上に鉄筋を格子状に配置し、この鉄筋にモルタルまたはコンクリートを吹き付けてモルタルまたはコンクリートよりなる格子状法枠を形成する現場打ち法枠工法に用いられ、規格通りのモルタルまたはコンクリートの吹き付け幅および吹き付け高さに適合した寸法を有し、吹きつけられた前記格子状法枠に押当てることでこの格子状法枠の寸法が鉄筋のまわりに目安通りの吹き付け幅および吹き付け高さを有するものであることを確認するように検測可能な検測部と、この検測部を前記格子状法枠に押当てるための把手とを備えたことを特徴とする現場打ち法枠検測具。After laying a mesh on the slope, rebars are arranged in a grid on the mesh, and mortar or concrete is sprayed on the reinforcing bars to form a grid-like frame made of mortar or concrete. The size of the grid-like frame is measured around the reinforcing bar by pressing against the sprayed grid-like frame. Provided with a measuring unit capable of performing inspection to confirm that the spraying width and the spraying height are in accordance with the standard, and a handle for pressing the measuring unit against the lattice method frame. An on-site frame inspection instrument characterized by that. 検測部が正面視略弓形、略台形のいずれかである請求項1に記載の現場打ち法枠検測具。  The on-site frame inspection tool according to claim 1, wherein the inspection unit has a substantially bow shape or a substantially trapezoidal shape when viewed from the front.
JP32983395A 1995-11-24 1995-11-24 On-site frame inspection tool Expired - Lifetime JP3661808B2 (en)

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Application Number Priority Date Filing Date Title
JP32983395A JP3661808B2 (en) 1995-11-24 1995-11-24 On-site frame inspection tool

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Application Number Priority Date Filing Date Title
JP32983395A JP3661808B2 (en) 1995-11-24 1995-11-24 On-site frame inspection tool

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JPH09144011A JPH09144011A (en) 1997-06-03
JP3661808B2 true JP3661808B2 (en) 2005-06-22

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JP6737021B2 (en) * 2016-07-14 2020-08-05 株式会社大林組 Forming machine and forming method

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