JPH0833384B2 - Concrete deterioration inspection method - Google Patents
Concrete deterioration inspection methodInfo
- Publication number
- JPH0833384B2 JPH0833384B2 JP62078287A JP7828787A JPH0833384B2 JP H0833384 B2 JPH0833384 B2 JP H0833384B2 JP 62078287 A JP62078287 A JP 62078287A JP 7828787 A JP7828787 A JP 7828787A JP H0833384 B2 JPH0833384 B2 JP H0833384B2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- capsule
- capsules
- drilling
- deterioration
- 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
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、例えばコンクリートの塩害等による劣化を
検査する方法に関するものである。TECHNICAL FIELD The present invention relates to a method for inspecting deterioration of concrete due to salt damage or the like.
［従来技術とその問題点］ 一般に、コンクリートの塩害は、鉄筋の腐食を誘発し
てその機能を低下せしめるおそれがあり、その発見が重
要となっている。[Prior Art and Problems Thereof] In general, salt damage of concrete may induce corrosion of the reinforcing bar and deteriorate its function, and its discovery is important.
従来のコンクリート塩害検査方法としては、コンクリ
ート躯体からコンクリートコアを抜き取り、このコアを
各層毎にスライスして、これを粉砕機にかけて粉砕し、
塩害判定試験に供するようになっている。As a conventional concrete salt damage inspection method, a concrete core is extracted from a concrete skeleton, and each core is sliced into layers, and then crushed by a crusher,
It is designed to be used in a salt damage determination test.
このため、判定に多大の時間とコストを要していた。 Therefore, the determination requires a lot of time and cost.
［発明の目的］ 本発明は、上記従来の問題点を解決するためになされ
たもので、その目的とするところは、検査を簡単かつ迅
速に行なうことが出来、短時間で安価に判定することの
できるコンクリートの劣化検査方法を提供することにあ
る。[Object of the Invention] The present invention has been made in order to solve the above-mentioned conventional problems, and an object of the present invention is to perform an inspection easily and quickly and to make a determination in a short time and at a low cost. It is to provide a method for inspecting deterioration of concrete that can be performed.
［発明の構成］ 本発明のコンクリートの劣化検査方法は、ドリルで掘
削したコンクリート駆体のくり粉を掘削深さ毎に分けて
複数のカプセルに採取し、各カプセル中のくり粉の劣
化、例えば塩分量を測定することを特徴とし、また、削
孔中のドリル先端からフェノールフタレイン等の中性化
検査液を注入させながら、コンクリートの中性化状態を
同時に検査するを特徴とするものである。[Structure of the Invention] A method for inspecting deterioration of concrete according to the present invention is a method in which the starch powder of a concrete excavated by a drill is divided into a plurality of capsules for each excavation depth, and deterioration of the starch powder in each capsule, for example, It is characterized by measuring the amount of salt, and is also characterized by inspecting the neutralization state of concrete at the same time while injecting a neutralization test liquid such as phenolphthalein from the drill tip during drilling. is there.
［実施例］ 以下、本発明の一実施例について図面を参照しながら
説明する。Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
第１図において、１はコンクリート削孔用ドリルロッ
ドであって、電動モーター２等の駆動手段により回転駆
動され、コンクリート躯体３を削孔するようになってい
る。In FIG. 1, reference numeral 1 is a drilling rod for concrete drilling, which is rotationally driven by a driving means such as an electric motor 2 to drill a concrete skeleton 3.
４はカプセルであって、各々リング状に形成されてお
り、多数積重ねた状態で上記ドリルロッド１のまわりに
外装され、先端のカプセル４′は上記コンクリート駆体
３の壁面に押当てられている。尚、カプセル４′とコン
クリート躯体３の壁面の間の気密を保つため、カプセル
４′の当接面に環状ゴム等の弾性体を付設しておくとよ
い。Reference numeral 4 denotes a capsule, each of which is formed in a ring shape, is packaged around the drill rod 1 in a stacked state, and the capsule 4 ′ at the tip is pressed against the wall surface of the concrete vehicle 3. . In order to maintain airtightness between the capsule 4'and the wall surface of the concrete skeleton 3, an elastic body such as a ring rubber may be attached to the contact surface of the capsule 4 '.
また、最後部のカプセル４″には底部4aが形成されて
おり、その中心部に上記ドリルロッド１が回転可能に挿
通している。該ドリルロッド１と上記底部4aの間の気密
を保つため、シール付きボールベアリング５等の軸受を
設けておくとよい。Further, a bottom portion 4a is formed on the capsule 4 ″ at the rearmost portion, and the drill rod 1 is rotatably inserted through the center portion thereof. In order to maintain airtightness between the drill rod 1 and the bottom portion 4a. It is preferable to provide a bearing such as a ball bearing 5 with a seal.
上記カプセル４″の底部4aにはホース６が接続され、
適宜吸引装置７により上記カプセル４内の空気を減圧す
るようになっている。A hose 6 is connected to the bottom 4a of the capsule 4 ″,
The air inside the capsule 4 is decompressed by an appropriate suction device 7.
本実施例の装置は以上のように構成されているので、
まず、検査すべきコンクリート躯体３の壁面にカプセル
４′を押付けながらドリルロッド１により削孔する。Since the apparatus of this embodiment is configured as described above,
First, while pressing the capsule 4'on the wall surface of the concrete skeleton 3 to be inspected, a hole is drilled by the drill rod 1.
上記削孔に伴って、コンクリートのくり粉Ｃがカプセ
ル４内に排出され、吸引装置７により最後部のカプセル
４″の側に吸寄せられる。Along with the drilling, concrete powder C is discharged into the capsule 4 and sucked by the suction device 7 toward the rearmost capsule 4 ″.
削孔の進行に伴って、くり粉Ｃはカプセル４内に順次
詰まった状態に採取される。従って、カプセル４の容積
とドリルロッド１により削り取られるくり粉Ｃの量の関
係を予め計算しておけば、何番目のカプセル４にどの深
さのくり粉Ｃが採取されたのか、解るようになってい
る。As the boring process progresses, the powdered powder C is collected in a state in which the capsule 4 is sequentially packed. Therefore, if the relationship between the volume of the capsule 4 and the amount of the chestnut C scraped off by the drill rod 1 is calculated in advance, it is possible to know what number of the capsule 4 the depth of the chestnut C has collected in. Has become.
以上のようにしてくり粉Ｃの採取が終了すると、上記
カプセル４からドリルロッド１を引抜き、第２図に示す
ように、各深さ毎に採取されたくり粉Ｃのカプセル４を
分離して、くり粉Ｃを分類する。When the collection of the seaweed C is completed as described above, the drill rod 1 is pulled out from the capsule 4, and the capsules 4 of the seaweed C collected at each depth are separated as shown in FIG. Classify chestnut C.
分類されたくり粉Ｃは、各々塩分量の定量試験に供さ
れる。Each of the classified chestnut C is subjected to a salt content quantitative test.
塩分量の定量試験としては、例えば、くり粉の供試体
に蒸留水を加えて掻混ぜてから100℃で１時間煮沸す
る。次に、紙を通した液についてクロム酸カリウム
を指示薬として硝酸銀溶液（約1/10規定）で滴定して塩
素イオン含有量を求める。As a quantitative test of the salt content, for example, distilled water is added to a sample of chestnut powder, and the mixture is stirred and then boiled at 100 ° C. for 1 hour. Then, the liquid passed through the paper is titrated with a silver nitrate solution (about 1/10 normal) using potassium chromate as an indicator to obtain the chloride ion content.
第３図は、本発明の別の実施例を示すものであって、
上記ドリルロッド１の下側に多数のカプセル８を円環状
に配列すると共に、これを回転させてくり粉排出口に順
次接近せしめ、削孔されたくり粉Ｃを順次採取するよう
に構成してある。従って、削孔の深さ毎にカプセル８を
順次回転させることにより、各カプセル８には予定した
深さのくり粉Ｃを採取することが出来る。FIG. 3 shows another embodiment of the present invention,
A large number of capsules 8 are arranged in an annular shape on the lower side of the drill rod 1, and the capsules 8 are rotated so that they are sequentially brought closer to the starch powder discharge port, and the drilled starch powder C is sequentially collected. . Therefore, by sequentially rotating the capsules 8 for each depth of the drilled holes, it is possible to collect the powdered powder C having a predetermined depth in each capsule 8.
本実施例では、カプセル８を回転式に配列してある
が、本発明はこれに限定するものではく、カプセルを直
線状に配列して順次送り込むか、或いは上下に積重ねて
おいて、上段のカプセルから順次採取し、くり粉が一定
量入ったら、これを後退移動させて次の段のカプセルを
近接せしめ、これに次のくり粉を落し込むようにして採
取してもよい。In the present embodiment, the capsules 8 are rotatably arranged, but the present invention is not limited to this, and the capsules are linearly arranged and sequentially fed, or stacked vertically, and It may be collected from the capsules in sequence, and when a certain amount of the starch powder is contained, it may be moved backward to bring the capsules in the next stage closer to each other, and the next starch powder may be dropped into the capsule.
［発明の効果］ （１）コンクリート躯体からドリルにより直接くり粉を
採取すると同時に順次カプセルに分類するようにしたの
で、操作が簡単で迅速に行える。[Advantages of the Invention] (1) Since the bolls are directly collected from the concrete skeleton by a drill and are simultaneously classified into capsules, the operation is simple and quick.
第１図は本発明方法を実施する装置の一実施例を示す側
面図、第２図はカプセルの分離を示す説明図、第３図は
（Ａ）は別の実施例の平面図、第３図（Ｂ）はその側面
図である。 １……ドリルロッド、２……電動モーター、３……コン
クリート、4,4′,4″……カプセル、4a……底部、５…
…ベアリング、６……ホース、７……吸引装置、８……
カプセル、Ｃ……くり粉FIG. 1 is a side view showing an embodiment of an apparatus for carrying out the method of the present invention, FIG. 2 is an explanatory view showing separation of capsules, FIG. 3 (A) is a plan view of another embodiment, and FIG. FIG. 1B is a side view thereof. 1 ... drill rod, 2 ... electric motor, 3 ... concrete, 4,4 ', 4 "... capsule, 4a ... bottom, 5 ...
… Bearing, 6 …… Hose, 7 …… Suction device, 8 ……
Capsule, C ... chestnut powder
Claims (3)
粉を掘削深さ毎に分けて複数のカプセルに採取し、各カ
プセル中のくり粉の劣化を測定することを特徴とするコ
ンクリートの劣化検査方法。1. A method for inspecting deterioration of concrete, characterized in that the drilling of a concrete skeleton drilled by a drill is divided into a plurality of capsules for each drilling depth, and the deterioration of the drilling in each capsule is measured. .
とする前記特許請求の範囲第１項に記載のコンクリート
の劣化検査方法。2. The method for inspecting deterioration of concrete according to claim 1, wherein the salt content of the chestnut powder is measured.
イン等の中性化検査液を注入させながら、コンクリート
の中性化状態を同時に検査することを特徴とする前記特
許請求の範囲第１項または第２項に記載のコンクリート
の劣化検査方法。3. The neutralization state of concrete is simultaneously inspected while injecting a neutralization inspection liquid such as phenolphthalein from the tip of a drill during drilling. Alternatively, the method for inspecting deterioration of concrete according to item 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62078287A JPH0833384B2 (en) | 1987-03-31 | 1987-03-31 | Concrete deterioration inspection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62078287A JPH0833384B2 (en) | 1987-03-31 | 1987-03-31 | Concrete deterioration inspection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63243755A JPS63243755A (en) | 1988-10-11 |
| JPH0833384B2 true JPH0833384B2 (en) | 1996-03-29 |
Family
ID=13657736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62078287A Expired - Lifetime JPH0833384B2 (en) | 1987-03-31 | 1987-03-31 | Concrete deterioration inspection method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0833384B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101669609B1 (en) * | 2016-09-21 | 2016-10-27 | 주식회사 홍익기술단 | Carbonation Depth Measurement Device for Safety Diagnosis of Reinforced Concrete Structure Using Rotating Disk |
| KR101711820B1 (en) * | 2016-03-07 | 2017-03-06 | 탄탄안전 주식회사 | Device and method for measuring carbonation depth |
| KR102351561B1 (en) * | 2021-05-21 | 2022-01-14 | 주식회사 디에스기술원 | Safety diagnosis device for measuring the depth of carbonation and testing of chloride content in concrete structures and method using same |
| KR102515545B1 (en) * | 2022-09-02 | 2023-03-30 | (주)양지 | Chloride sampling device for concrete structures |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07104339B2 (en) * | 1990-07-13 | 1995-11-13 | 株式会社ケー・エフ・シー | Concrete deterioration inspection method and inspection device |
| JP4777937B2 (en) * | 2007-05-22 | 2011-09-21 | 公益財団法人鉄道総合技術研究所 | Concrete deterioration judgment method |
| JP5120189B2 (en) * | 2008-10-02 | 2013-01-16 | 三浦工業株式会社 | Quantitative determination of chloride ion |
| IT1398515B1 (en) * | 2009-06-17 | 2013-03-01 | Tecnoindagini S R L | IMPROVED PROCEDURE FOR ANALYSIS OF MATERIALS, PARTICULARLY CONSTRUCTION MATERIALS, AND DEVICE TO REALIZE THIS PROCEDURE |
| JP6093951B2 (en) * | 2013-04-08 | 2017-03-15 | 中日本ハイウェイ・エンジニアリング東京株式会社 | Method and apparatus for measuring depth direction properties of concrete structural members |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5256990A (en) * | 1975-11-06 | 1977-05-10 | Nippon Steel Corp | Device for correcting samples |
| JPS6079136U (en) * | 1983-11-08 | 1985-06-01 | 三菱電機株式会社 | sample collection device |
| JPH043250U (en) * | 1990-04-23 | 1992-01-13 |
-
1987
- 1987-03-31 JP JP62078287A patent/JPH0833384B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101711820B1 (en) * | 2016-03-07 | 2017-03-06 | 탄탄안전 주식회사 | Device and method for measuring carbonation depth |
| KR101669609B1 (en) * | 2016-09-21 | 2016-10-27 | 주식회사 홍익기술단 | Carbonation Depth Measurement Device for Safety Diagnosis of Reinforced Concrete Structure Using Rotating Disk |
| KR102351561B1 (en) * | 2021-05-21 | 2022-01-14 | 주식회사 디에스기술원 | Safety diagnosis device for measuring the depth of carbonation and testing of chloride content in concrete structures and method using same |
| KR102515545B1 (en) * | 2022-09-02 | 2023-03-30 | (주)양지 | Chloride sampling device for concrete structures |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63243755A (en) | 1988-10-11 |
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