JP3111906U - Small test equipment for three-component cone test and flat plate loading test - Google Patents

Small test equipment for three-component cone test and flat plate loading test Download PDF

Info

Publication number
JP3111906U
JP3111906U JP2005002403U JP2005002403U JP3111906U JP 3111906 U JP3111906 U JP 3111906U JP 2005002403 U JP2005002403 U JP 2005002403U JP 2005002403 U JP2005002403 U JP 2005002403U JP 3111906 U JP3111906 U JP 3111906U
Authority
JP
Japan
Prior art keywords
test
press
fitting
wire
anchor
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 - Lifetime
Application number
JP2005002403U
Other languages
Japanese (ja)
Inventor
若命善雄
藤田雅一
吉田力雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YBM Co Ltd
Original Assignee
YBM Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YBM Co Ltd filed Critical YBM Co Ltd
Priority to JP2005002403U priority Critical patent/JP3111906U/en
Application granted granted Critical
Publication of JP3111906U publication Critical patent/JP3111906U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

【課題】試験装置本体を小型に設計しても地盤試験の実施に必要な押し込み反力を十分に得ることができ、1台で三成分コーン試験と平板載荷試験の両方の地盤試験が行うことのできる試験装置を提供する。
【解決手段】試験装置は、本体部とその前面に配置する圧入部と圧入部に固定する反力装置と、からなり、本体部は、原動機と、自走部と、油圧ユニットとを有し、圧入部は、鉛直方向に伸張する油圧シリンダジャッキと、ワイヤとの取付具と、油圧ジャッキに脱着可能な圧入治具とを有し、反力装置は、アンカとワイヤにて構成し、アンカは、頭部にワイヤとの取付具を有し、ワイヤは、一端に圧入部の取付具を有し、他端にアンカの取付具を有し、地盤試験の実施時には、事前にアンカを測定箇所の周囲に貫入して、圧入治具を地盤に圧入する際の押し込み反力を、ワイヤを介してアンカを貫入した地盤から得ることを特徴とする。
【選択図】図1
[PROBLEMS] To obtain a sufficient indentation reaction force necessary for conducting a ground test even if the test apparatus body is designed to be small, and to perform both a ground test for both a three-component cone test and a flat plate loading test with one unit. A test apparatus capable of performing the above is provided.
A test apparatus includes a main body portion, a press-fit portion disposed on a front surface thereof, and a reaction force device fixed to the press-fit portion. The main body portion includes a prime mover, a self-propelled portion, and a hydraulic unit. The press-fitting part has a hydraulic cylinder jack extending in the vertical direction, a fitting for the wire, and a press-fitting jig that can be attached to and detached from the hydraulic jack, and the reaction force device is constituted by an anchor and a wire. Has a fitting with a wire at the head, the wire has a fitting at the press-fit part at one end, and an anchor fitting at the other end, and measures the anchor in advance when conducting the ground test It is characterized in that the intrusion reaction force when the press-fitting jig is press-fitted into the ground by penetrating around the place is obtained from the ground through which the anchor is penetrated through the wire.
[Selection] Figure 1

Description

本考案は、地面から反力を得ることで本体の小型化が可能となった三成分コーン試験及び平板載荷試験に用いる小型試験装置に関するものである。   The present invention relates to a small test apparatus used for a three-component cone test and a flat plate loading test in which a main body can be miniaturized by obtaining a reaction force from the ground.

三成分コーン貫入試験とは、先端コーン貫入体を一定速度で地中に貫入しながら先端抵抗、周面摩擦、間隙水圧を測定する試験方法で、JGS1435−2003(電気式静的コーン貫入試験)に規定された地盤調査法である。
この三成分を把握することで、連続的に地層判別を行うことができ、地耐力測定、液状化判定など用途も多種にわたるため、スウェーデン式サウンディング試験や、標準貫入試験などの他の地盤試験とともに、土木分野で注目を集める調査法の一つである。
The three-component cone penetration test is a test method that measures tip resistance, circumferential friction, and pore water pressure while penetrating the tip cone penetrating body into the ground at a constant speed. JGS1435-2003 (electric static cone penetration test) The ground survey method stipulated in.
By grasping these three components, it is possible to distinguish the stratum continuously, and since there are various uses such as ground strength measurement and liquefaction judgment, together with other ground tests such as Swedish sounding test and standard penetration test It is one of the research methods that attracts attention in the civil engineering field.

平板載荷試験においては、直径300mm〜600mmの平らな載荷板に荷重をかけ、その時の時間経過による変位を測定し、荷重・時間・変位の関係から地耐力を求める地盤調査法である。   The flat plate loading test is a ground survey method in which a load is applied to a flat loading plate having a diameter of 300 mm to 600 mm, the displacement over time is measured, and the ground strength is obtained from the relationship between the load, time, and displacement.

治具を無回転で圧入して試験を行う三成分コーン貫入試験や平板載荷試験では十分な押し込み反力を必要とするため、重量が大きく比較的大掛かりな試験装置によって行われていた。
In the three-component cone penetration test and the flat plate loading test in which a jig is pressed in without rotation, a sufficient indentation reaction force is required, and therefore, it has been performed by a testing apparatus that is large in weight and relatively large.

しかし、従来の試験装置では、以下のような問題があった。
<1>試験装置が大掛かりであるため、戸建住宅のような狭い場所に試験装置を搬入できない。
<2>大型の製造装置を使用するため、安価に実施できない。
However, the conventional test apparatus has the following problems.
<1> Since the test apparatus is large, the test apparatus cannot be carried into a narrow place such as a detached house.
<2> Since a large manufacturing apparatus is used, it cannot be implemented inexpensively.

本考案は上記したような従来の問題を解決するためになされたもので、試験装置本体を小型に設計しても上記の地盤試験の実施に必要な押し込み反力を十分に得ることができる試験装置を提供することを目的とする。   The present invention was made in order to solve the above-described conventional problems, and a test capable of sufficiently obtaining the indentation reaction force necessary for carrying out the above ground test even if the test apparatus body is designed to be small. An object is to provide an apparatus.

また、本考案は、1台で三成分コーン試験と平板載荷試験の両方の地盤試験を行うことのできる試験装置を提供することを目的とする。
Another object of the present invention is to provide a test apparatus capable of performing ground tests for both a three-component cone test and a flat plate loading test with a single unit.

そこで、本願の第1考案は、地盤調査に用いる試験装置であって、前記試験装置は、本体部と、前記本体部の前面に配置する圧入部と、前記圧入部に固定する反力装置と、からなり、前記本体部は、原動機と、自走部と、油圧ユニットと、を有し、前記圧入部は、鉛直方向に伸張する油圧シリンダジャッキと、ワイヤとの取付具と、油圧ジャッキに脱着可能な圧入治具と、を有し、前記反力装置は、アンカとワイヤにて構成し、前記アンカは、頭部に前記ワイヤとの取付具を有し、
前記ワイヤは、一端に前記圧入部の取付具を有し、他端に前記アンカの取付具を有し、地盤試験の実施時には、事前に前記アンカを測定箇所の周囲に貫入して、前記圧入治具を地盤に圧入する際の押し込み反力を、前記ワイヤを介して前記アンカを貫入した地盤から得ることを特徴とする、試験装置を提供するものである。
Accordingly, the first device of the present application is a test apparatus used for ground investigation, and the test apparatus includes a main body portion, a press-fit portion disposed on the front surface of the main body portion, and a reaction force device fixed to the press-fit portion. The main body portion includes a prime mover, a self-propelled portion, and a hydraulic unit, and the press-fitting portion includes a hydraulic cylinder jack that extends in a vertical direction, a wire attachment tool, and a hydraulic jack. A detachable press-fitting jig, and the reaction force device is constituted by an anchor and a wire, and the anchor has a fixture for the wire on a head,
The wire has a fitting for the press-fitting part at one end and the fitting for the anchor at the other end, and when the ground test is performed, the anchor is penetrated around the measurement location in advance, and the press-fitting is performed. It is an object of the present invention to provide a test apparatus characterized in that a pressing reaction force when a jig is press-fitted into the ground is obtained from the ground through which the anchor is inserted through the wire.

また、本願の第2考案は、本願の第1考案に記載の試験装置において、前記反力装置に更に前記ワイヤを増し締めして固定するための増し締め部を有することを特徴とする、試験装置を提供するものである。   Further, the second device of the present application is the test device according to the first device of the present application, further comprising a retightening portion for retightening and fixing the wire to the reaction force device. A device is provided.

また、本願の第3考案は、本願の第1考案又は第2考案に記載の試験装置において、前記アンカにリボンロッド式のアンカを用いることを特徴とする、試験装置を提供するものである。   The third device of the present application provides a test device characterized in that a ribbon rod type anchor is used as the anchor in the test device described in the first device or the second device of the present application.

また、本願の第4考案は、本願の第1考案乃至第3考案の何れかに記載の試験装置において、前記圧入治具に三成分コーン試験用の三成分コーンを用いることを特徴とする、試験装置を提供するものである。   The fourth device of the present application is characterized in that, in the test apparatus according to any one of the first device to the third device of the present application, a three-component cone for a three-component cone test is used for the press-fitting jig. A test device is provided.

また、本願の第5考案は、本願の第1考案乃至第3考案の何れかに記載の試験装置において、前記圧入治具に平板載荷試験用の載荷板を用いることを特徴とする、試験装置を提供するものである。
A fifth device of the present application is the test device according to any one of the first to third devices of the present application, wherein a loading plate for a flat plate loading test is used for the press-fitting jig. Is to provide.

本考案は上記の課題を解決するものであり、以下のような効果を同時に得ることができる。
<1>地盤に貫入したアンカによって押し込み反力を得られるため、本体部の重量を軽くでき、試験装置を小型化することができる。
<2>地盤調査を行いたい場所が狭い場所であっても、試験装置を簡便に搬入することができるため、建設敷地が狭い戸建住宅などの地盤調査にも使用することができる。
<3>試験装置の搬入のコストを抑えることができ、地盤調査を安価に実施することができる。
<4>圧入治具を交換することにより、一台の試験装置で三成分コーン試験と平板載荷試験の両方の試験を行うことができる。
The present invention solves the above-described problems, and can obtain the following effects simultaneously.
<1> Since the pushing reaction force can be obtained by the anchor penetrating the ground, the weight of the main body can be reduced, and the test apparatus can be miniaturized.
<2> Even if the place where the ground survey is desired is small, the test device can be easily carried in, so it can also be used for ground surveys such as detached houses where the construction site is narrow.
<3> The cost of carrying in the test apparatus can be suppressed, and the ground survey can be carried out at a low cost.
<4> By exchanging the press-fitting jig, both the three-component cone test and the flat plate loading test can be performed with a single test apparatus.

以下、図面を参照しながら本考案の実施の形態について説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

<1>全体構成
図1には、本考案に係る試験装置1の側面図を示し、図2には、本考案に係る試験装置1の正面図を示し、図3には、本考案に係る圧入部3と反力装置4の上面図を示す。
<1> Overall Configuration FIG. 1 shows a side view of a test apparatus 1 according to the present invention, FIG. 2 shows a front view of the test apparatus 1 according to the present invention, and FIG. The top view of the press-fit part 3 and the reaction force apparatus 4 is shown.

<2>本体部2
本体部2は、原動機を備え自走式の機械とする。走行手段には、クローラ式(履帯式)とタイヤ式がある。また、原動機にはディーゼルエンジンやガソリンエンジン等が使用できる。
また、本体部2には、周知の油圧ユニット(図示せず)も備え、後述する圧入部3の油圧シリンダジャッキ31の動力を供給する。
<2> Body part 2
The main body 2 is a self-propelled machine equipped with a prime mover. The traveling means includes a crawler type (crawler type) and a tire type. The prime mover can be a diesel engine or a gasoline engine.
The main body 2 is also provided with a well-known hydraulic unit (not shown), and supplies power to a hydraulic cylinder jack 31 of the press-fitting portion 3 described later.

<3>圧入部3
圧入部3は、図2、図3に示すように、本体部2の前面に配置し、鉛直方向に伸張する油圧シリンダジャッキ31とワイヤとの取付具32と、油圧ジャッキに脱着可能な圧入治具(図示せず)と、を有する。
油圧シリンダジャッキ31には、30tf油圧ジャッキを用い、油圧は、HBS(油圧制御ブレーキシステム)の油圧ベースを用いるものとする。
前記油圧シリンダジャッキ31は、試験目的によって許容荷重を有するものを使用し、動力は、本体部2の油圧ユニットから取り入れる。取付具32はワイヤ42を取付可能な周知の取付機構を用いるものとする。
圧入治具は、油圧シリンダジャッキ31から脱着可能であり、試験の種類によって圧入治具を取替えることにより、使い分けが可能となる。
<3> Press-fit part 3
As shown in FIGS. 2 and 3, the press-fitting part 3 is disposed on the front surface of the main body part 2, and a hydraulic cylinder jack 31 and a wire fixture 32 extending in the vertical direction, and a press-fitting treatment that can be attached to and detached from the hydraulic jack. A tool (not shown).
The hydraulic cylinder jack 31 is a 30 tf hydraulic jack, and the hydraulic pressure is a hydraulic base of an HBS (hydraulic control brake system).
The hydraulic cylinder jack 31 has an allowable load depending on the test purpose, and power is taken from the hydraulic unit of the main body 2. The attachment 32 uses a known attachment mechanism that can attach the wire 42.
The press-fitting jig can be detached from the hydraulic cylinder jack 31 and can be used properly by replacing the press-fitting jig depending on the type of test.

<4>反力装置4
反力装置4は、アンカ41とワイヤ42にて構成する。
前記アンカ41は、リボンロッド式アンカなどの周知のアンカを用いるものとし、頭部にはワイヤとの取付具411を有する。
前記ワイヤ42の両端にはアンカ41への取付具421と圧入部3への取付具422を設ける。
前記反力装置4には、ワイヤ42を増し締めするための増し締め部43を設けてもよい。本実施例では、増し締め部43にパワープーラーを用いる。
<4> Reaction force device 4
The reaction force device 4 includes an anchor 41 and a wire 42.
The anchor 41 uses a known anchor such as a ribbon rod type anchor, and has an attachment 411 with a wire on the head.
At both ends of the wire 42, a fixture 421 to the anchor 41 and a fixture 422 to the press-fit portion 3 are provided.
The reaction force device 4 may be provided with a retightening portion 43 for retightening the wire 42. In this embodiment, a power puller is used for the retightening portion 43.

<5>地盤試験の実施方法
図4に、三成分コーン試験に本考案に係る試験装置を行う場合の詳細図を示す。
<5> Method for Performing Ground Test FIG. 4 is a detailed view when a test apparatus according to the present invention is applied to a three-component cone test.

まず、地盤試験の測定前に、圧入部3の圧入治具の取り付け箇所にアンカ41を取り付け、あらかじめ測定箇所の周囲に前記アンカ41を複数本貫入する。
貫入本数および貫入箇所は、必要な押し込み反力に応じて適宜決定することができる。
First, before the ground test measurement, the anchors 41 are attached to the places where the press-fitting jigs of the press-fitting part 3 are attached, and a plurality of the anchors 41 are inserted around the measurement places in advance.
The number of penetrations and the penetration location can be determined as appropriate according to the required pushing reaction force.

試験装置を測定箇所に移動した後、ワイヤ42の一端を貫入した前記アンカの頭部に係合し、他端を本体部3の取付具32に係合する。その後、パワープーラーによってワイヤ42を増し締めして緊張する。   After the test apparatus is moved to the measurement location, one end of the wire 42 is engaged with the anchor head, and the other end is engaged with the fixture 32 of the main body 3. After that, the wire 42 is tightened by the power puller to be tense.

圧入部3の圧入治具の取り付け箇所に三成分コーン33を取り付けて、地盤試験を開始する。貫入反力を前記ワイヤ42を介して前記アンカ41を貫入した地盤から得ることができるため、試験装置1の重量が軽くても試験を行うことができた。   The three-component cone 33 is attached to the place where the press-fitting jig of the press-fitting part 3 is attached, and the ground test is started. Since the penetration reaction force can be obtained from the ground through which the anchor 41 is penetrated via the wire 42, the test could be performed even if the weight of the test apparatus 1 was light.

従来の三成分コーン試験装置の本体重量は、6000〜9000kgが一般的でであったが、本実施例では、試験装置1の重量を1000kg程度まで軽量化、小型化することができ、狭い敷地においても簡便で安価に搬入することができるため、あらゆる場所において三成分コーン試験を実施することができるようになった。
<6>その他の実施例
The body weight of a conventional three-component corn test apparatus is generally 6000 to 9000 kg. However, in this embodiment, the weight of the test apparatus 1 can be reduced to about 1000 kg, and the size can be reduced. Can be carried in easily and inexpensively, so that the three-component cone test can be carried out at any place.
<6> Other embodiments

なお、図5に示すように、圧入治具に載荷板34を用いることにより、平板載荷試験を行うことも可能である。平板載荷試験においても、載荷板の圧入反力を前記ワイヤ42を介して前記アンカ41を貫入した地盤から得ることができるため、試験装置1の重量が軽くても試験を行うことができた。
In addition, as shown in FIG. 5, it is also possible to perform a flat plate loading test by using a loading plate 34 for the press-fitting jig. Also in the flat plate loading test, since the press-fitting reaction force of the loading plate can be obtained from the ground through which the anchor 41 is penetrated via the wire 42, the test can be performed even if the weight of the test apparatus 1 is light.

本考案の試験装置の側面図。The side view of the testing apparatus of this invention. 本考案の試験装置の正面図。The front view of the testing apparatus of this invention. 本考案の試験装置の圧入部と反力装置の上面図。The top view of the press-fitting part and reaction force apparatus of the test apparatus of this invention. 本考案の試験装置を用いて三成分コーン試験を行う場合の詳細図。Detailed view in the case of performing a three-component cone test using the test apparatus of the present invention. 本考案の試験装置を用いて平板載荷試験を行う場合の詳細図。Detailed view in the case of performing a flat plate loading test using the test apparatus of the present invention.

符号の説明Explanation of symbols

1・・・試験装置
2・・・本体部
3・・・圧入部
31・・油圧シリンダジャッキ
32・・取付具
33・・三成分コーン
34・・載荷板
4・・・反力装置
41・・アンカ
411・取付具
42・・ワイヤ
421・取付具
422・取付具
43・・増し締め部
DESCRIPTION OF SYMBOLS 1 ... Test apparatus 2 ... Main-body part 3 ... Press-fit part 31 ... Hydraulic cylinder jack 32 ... Fixture 33 ... Three-component cone 34 ... Loading plate 4 ... Reaction force device 41 ... Anchor 411, mounting tool 42, wire 421, mounting tool 422, mounting tool 43, tightening part

Claims (5)

地盤調査に用いる試験装置であって、
前記試験装置は、本体部と、前記本体部の前面に配置する圧入部と、前記圧入部に固定する反力装置と、からなり、
前記本体部は、原動機と、自走部と、油圧ユニットと、を有し、
前記圧入部は、鉛直方向に伸張する油圧シリンダジャッキと、ワイヤとの取付具と、油圧ジャッキに脱着可能な圧入治具と、を有し、
前記反力装置は、アンカとワイヤにて構成し、
前記アンカは、頭部に前記ワイヤとの取付具を有し、
前記ワイヤは、一端に前記圧入部の取付具を有し、他端に前記アンカの取付具を有し、
地盤試験の実施時には、事前に前記アンカを測定箇所の周囲に貫入して、前記圧入治具を地盤に圧入する際の押し込み反力を、前記ワイヤを介して前記アンカを貫入した地盤から得ることを特徴とする、試験装置。
A test device used for ground investigation,
The test apparatus comprises a main body part, a press-fit part disposed on the front surface of the main body part, and a reaction force device fixed to the press-fit part,
The main body has a prime mover, a self-propelled portion, and a hydraulic unit,
The press-fitting part has a hydraulic cylinder jack extending in the vertical direction, a fitting with a wire, and a press-fitting jig that can be attached to and detached from the hydraulic jack,
The reaction force device is composed of an anchor and a wire,
The anchor has a fitting with the wire on the head,
The wire has a fitting for the press-fit portion at one end, and has a fitting for the anchor at the other end,
When conducting a ground test, the anchor is inserted in advance around the measurement location, and the indentation reaction force when the press-fitting jig is pressed into the ground is obtained from the ground through which the anchor is inserted through the wire. A test apparatus characterized by
請求項1に記載の試験装置において、前記反力装置に更に前記ワイヤを増し締めして固定するための増し締め部を有することを特徴とする、試験装置。
The test apparatus according to claim 1, further comprising a retightening portion for retightening and fixing the wire to the reaction force apparatus.
請求項1又は2に記載の試験装置において、前記アンカにリボンロッド式のアンカを用いることを特徴とする、試験装置。
The test apparatus according to claim 1, wherein a ribbon rod type anchor is used as the anchor.
請求項1乃至3の何れかに記載の試験装置において、
前記圧入治具に三成分コーン試験用の三成分コーンを用いることを特徴とする、試験装置。
The test apparatus according to any one of claims 1 to 3,
A test apparatus using a three-component cone for a three-component cone test as the press-fitting jig.
請求項1乃至3の何れかに記載の試験装置において、
前記圧入治具に平板載荷試験用の載荷板を用いることを特徴とする、試験装置。
The test apparatus according to any one of claims 1 to 3,
A test apparatus using a loading plate for a flat plate loading test as the press-fitting jig.
JP2005002403U 2005-04-18 2005-04-18 Small test equipment for three-component cone test and flat plate loading test Expired - Lifetime JP3111906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005002403U JP3111906U (en) 2005-04-18 2005-04-18 Small test equipment for three-component cone test and flat plate loading test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005002403U JP3111906U (en) 2005-04-18 2005-04-18 Small test equipment for three-component cone test and flat plate loading test

Publications (1)

Publication Number Publication Date
JP3111906U true JP3111906U (en) 2005-07-28

Family

ID=43274350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005002403U Expired - Lifetime JP3111906U (en) 2005-04-18 2005-04-18 Small test equipment for three-component cone test and flat plate loading test

Country Status (1)

Country Link
JP (1) JP3111906U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010223894A (en) * 2009-03-25 2010-10-07 Kowa:Kk Compact load tester and testing method of the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010223894A (en) * 2009-03-25 2010-10-07 Kowa:Kk Compact load tester and testing method of the same

Similar Documents

Publication Publication Date Title
JP7248241B2 (en) Confirmation method of ground improvement effect and measuring device used therefor
CN105370303B (en) Tensioning equipment and its operating method for deep tunnel high pre-stress suspension roof support
JP3111906U (en) Small test equipment for three-component cone test and flat plate loading test
TW202001090A (en) Device for verifying the bearing capacity of a pile of an offshore foundation construction
CN108225550A (en) Suitable for the blasting vibration mounting frame for sensor of hard rock long term monitoring, blasting vibration measurement system and blasting vibration measurement method
JP2016216992A (en) Soil sampler, and ground investigation device
JP6619235B2 (en) Lightweight ground survey machine and ground survey method using the same
JP2004093315A (en) Apparatus for testing strength of member
CN110761563B (en) Steel strand prestress applying device and method and prestress steel structure stair
JP2007169988A (en) Bearing pile press-in method and load testing method
CN111441826B (en) Deep rock mass zone cracking monitoring device and method
JP2001133392A (en) Measuring method of fixing force for anchor material
JP4593149B2 (en) Method for overlocking at least one strand in a fixed block and system for overlocking at least one strand in a fixed block
CN108756795B (en) Experimental method for researching reverse fault ground stress of coal mine tunnel
JP2003027518A (en) Load test method for pile and attachment for load test
JP4800858B2 (en) Fixing tool for fixing plate-like body to tunnel lining
JP2007154484A (en) Pile press-fitting attachment and pile press-fitting method
JP5845861B2 (en) Loading test method for soil cement column wall
JP2004244814A (en) Vertical load test method for existing pile
JP2016191207A (en) Horizontal loading test equipment and horizontal loading test method
KR101229719B1 (en) Cable Connecting Apparatus For Testing Transmission
JP2008057182A (en) Anchor for preventing rock fall
JP2001348856A (en) Method of evaluating reinforcing effect on discontinuous face of bedrock
JP2013160013A (en) Construction management device, pile driving machine and pile driving method
CN210459322U (en) Anchor cable extension device for anchor cable anti-pulling detection

Legal Events

Date Code Title Description
R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080615

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090615

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100615

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110615

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110615

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120615

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130615

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130615

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150615

Year of fee payment: 10

EXPY Cancellation because of completion of term