JPH079400B2 - Concrete deterioration inspection method and apparatus - Google Patents
Concrete deterioration inspection method and apparatusInfo
- Publication number
- JPH079400B2 JPH079400B2 JP5539787A JP5539787A JPH079400B2 JP H079400 B2 JPH079400 B2 JP H079400B2 JP 5539787 A JP5539787 A JP 5539787A JP 5539787 A JP5539787 A JP 5539787A JP H079400 B2 JPH079400 B2 JP H079400B2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- drill
- inspection
- deterioration
- phenolphthalein
- 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
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中性化等の劣化を検査
する方法および装置に関するものである。TECHNICAL FIELD The present invention relates to a method and an apparatus for inspecting deterioration such as carbonation of concrete.
［従来技術とその問題点］ 一般に、コンクリートの中性化は、鉄筋の保護機能を低
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 its problems] In general, carbonation of concrete may reduce the protective function of the reinforcing bar, and the discovery thereof is important.
従来のコンクリート中性化検査方法としては、コンクリ
ートをタガネやピック等で削り、フェノールフタレイン
をコンクリートの上記削り面に噴霧し、その赤色反応で
コンクリートがアルカリ状態にあること、即ち中性化し
てないことを確認すると共に、その中性化されていない
部分の深さを、ノギス等で計測していた。As a conventional concrete neutralization inspection method, scraping concrete with chisel or pick etc., spraying phenolphthalein on the scraped surface of concrete, that the concrete is in an alkaline state by its red reaction, that is, it is neutralized It was confirmed that there was no such thing, and the depth of the non-neutralized part was measured with calipers.
しかしながら、上記従来方法では、広い面積のコンクリ
ートを削り落さなければならず、調査後のコンクリート
躯体の復旧に手間と時間を要するという問題点があっ
た。However, the above-mentioned conventional method has a problem that it is necessary to scrape off a large area of concrete, and it takes time and effort to restore the concrete skeleton after the investigation.
また、中性化深さの計測に誤差が生じ易かったり、作業
が全体的に重労働となる等の問題点があった。In addition, there are problems that errors are likely to occur in the measurement of the neutralization depth, and that the work is hard work overall.
［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、検査が簡単かつ迅速
に行えるばかりでなく、検査後のコンクリート躯体の補
修が容易となるコンクリートの劣化検査方法および装置
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 its object is not only to perform an inspection simply and quickly but also to repair a concrete skeleton after the inspection. An object of the present invention is to provide a method and an apparatus for easily inspecting deterioration of concrete.
［発明の構成］ 本発明のコンクリートの劣化検査方法は、削孔中のドリ
ル先端から検査液を注入させて、ドリルで掘削したくり
粉を変色反応させるか又はくり粉に検査液を噴霧させる
と共に、該変色反応時の削孔深さを同時に読み取ること
を特徴とし、上記検査液がフェノールフタレインであ
り、その赤色反応によりコンクリートの中性化状態を検
査することを特徴とするものであり、また、コンクリー
トの劣化検査装置は、中空穴を有すドリルと、該ドリル
を回転駆動する駆動手段と、上記中空穴にフェノールの
フタレイン等の検査液を供給する手段又は検査液噴霧手
段と、ドリルの削孔深さを検出する手段とから成ること
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 includes injecting an inspection liquid from the tip of a drill during drilling to cause a discoloration reaction of the starch powder drilled by the drill or spraying the inspection liquid on the starch powder. , Characterized by simultaneously reading the drilling depth during the discoloration reaction, wherein the test liquid is phenolphthalein, characterized by inspecting the neutralization state of concrete by its red reaction, In addition, the concrete deterioration inspection device, a drill having a hollow hole, a driving means for rotationally driving the drill, a means for supplying an inspection liquid such as phenolphthalein to the hollow hole or an inspection liquid spraying means, and a drill. And a means for detecting the hole-drilling depth.
ただし、中性化深さは別途ノギス等で計ることも可能で
ある。However, the neutralization depth can be measured separately with calipers.
［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。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.
第１図および第２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、その先端部にビット1aが取付け
られており、これらのドリルロッド１およびビット1aの
中心部には検査液注入用の穴1bが穿設されている。In FIGS. 1 and 2, 1 is a drill rod for concrete drilling, a bit 1a is attached to the tip of the drill rod, and a test liquid is injected into the center of the drill rod 1 and the bit 1a. The hole 1b is formed.
上記ドリルロッド１は電動モーター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。The drill rod 1 is rotatably driven by a driving means such as an electric motor 2 so that the concrete skeleton 3 is drilled.
４はスイベルジョイントであって、上記ドリルロッド１
及び先端のビット1a内にあけた穴1bと検査液タンク５か
らのホース5aとを連絡している。5bはコックである。
尚、検査液を効率よく霧状にし、かつ検査液注入用の穴
の目づまりを防止するために空気を送る場合もある。4 is a swivel joint, which is the drill rod 1
Also, the hole 1b formed in the bit 1a at the tip is connected to the hose 5a from the test liquid tank 5. 5b is a cook.
In some cases, the test liquid is atomized efficiently and air is sent to prevent clogging of the holes for injecting the test liquid.
６は上記ビット1aにより削られたコンクリートの粉末で
あるところのくり粉Ｃを受けるくり粉受である。The reference numeral 6 designates a powder receiver which receives the powder C which is the powder of the concrete scraped by the bit 1a.
７はゲージ杆であって、上記くり粉受６に取付けられて
いると共に、上記電動モーター２およびスイベルジョイ
ント４に設けられた軸受2a,4aに各々支持されている。
また、上記ゲージ杆７は、スプリング８により矢印方向
に付勢されており、上記くり粉受６をコンクリート躯体
３の表面に弾性的に押付けている。上記ゲージ杆７には
目盛7aが表示されていて、上記ドリルロッド１の削孔深
さＬを指示するようになっている。Reference numeral 7 denotes a gauge rod, which is attached to the dust collecting tray 6 and is supported by bearings 2a and 4a provided on the electric motor 2 and the swivel joint 4, respectively.
The gauge rod 7 is biased by a spring 8 in the direction of the arrow, and elastically presses the dust powder receiver 6 onto the surface of the concrete skeleton 3. A scale 7a is displayed on the gauge rod 7 to indicate the drilling depth L of the drill rod 1.
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、所定のコンクリート躯体３の表面にビット1aを押付
けながら、電動モーター２のスイッチを入れると、ドリ
ルロッド１が回転して上記ビット1aにより、コンクリー
ト躯体３が削孔される。Since the device of the present embodiment is configured as described above, first, when the electric motor 2 is turned on while pressing the bit 1a against the surface of the predetermined concrete skeleton 3, the drill rod 1 rotates and the bit is rotated. By 1a, the concrete skeleton 3 is drilled.
上記削孔に伴って、検査液タンク５のコック5bを開ける
と、検査液がホース5a、スイベルジョイント４およびロ
ッド１内の穴1bを通ってビット1aの穴からくり粉Ｃに注
入される。くり粉Ｃすなわち削孔部のコンクリートがア
ルカリ状態であれば、例えば検査液がフェノールフタレ
インである場合には赤色反応を示し、コンクリートの中
性化が進行していないことを示し、逆に、くり粉Ｃが無
色状態であれば、コンクリートが中性となっていること
が確認される。When the cock 5b of the test liquid tank 5 is opened in accordance with the above-mentioned drilling, the test liquid is injected into the dust powder C from the hole of the bit 1a through the hose 5a, the swivel joint 4 and the hole 1b in the rod 1. If the ground powder C, that is, the concrete in the drilled portion is in an alkaline state, for example, when the test liquid is phenolphthalein, it shows a red reaction, indicating that the carbonation of the concrete has not progressed, and conversely, If the ground powder C is colorless, it is confirmed that the concrete is neutral.
コンクリートが中性化されていることが、くり粉受６内
のくり粉Ｃの色調により確認されると、その時のドリル
深さＬをゲージ杆７の目盛7aによって読取り、コンクリ
ート躯体３内の中性化位置あるいは非中性化位置を検出
することができる。When it is confirmed that the concrete is neutralized by the color tone of the boring powder C in the boring powder receiver 6, the drill depth L at that time is read by the scale 7a of the gauge rod 7, and the inside of the concrete frame 3 is read. A sexualized position or a non-neutralized position can be detected.
尚、上記ゲージ杆７はこれに限定するものではなく、要
するにドリル深さＬが計測できるものであればよい。Note that the gauge rod 7 is not limited to this, and may be any gauge that can measure the drill depth L.
上記実施例では検査液をタンク５から自然流下させてい
るが、供給ポンプ等で強制的に供給するようにしてもよ
い。Although the test liquid is allowed to naturally flow down from the tank 5 in the above embodiment, it may be forcibly supplied by a supply pump or the like.
［発明の効果］ （１）ドリルによる削孔のため、コンクリート躯体の補
修が容易かつ短時間にできる。[Advantages of the Invention] (1) Since the holes are drilled, it is possible to easily and quickly repair the concrete skeleton.
（２）くり粉受に排されるくり粉の色調状態を確認し、
ゲージ杆の目盛により瞬時に深さが読取ることが出来
る。(2) Check the color condition of the chestnuts discharged to the chestnut receiver,
The scale can be read instantly with the scale of the gauge rod.
第１図は本発明装置の斜視図、第２図は一部切欠した断
面図である。 １……ドリルロッド、1a……先端ビット、1b……穴、２
……電動モーター、2a……軸受、３……コンクリート躯
体、４……スイベルジョイント、4a……軸受、５……検
査液タンク、5a……ホース、5b……コック、６……くり
粉受、７……ゲージ杆、7a……目盛、８……スプリン
グ、Ｃ……くり粉、Ｌ……削孔深さ。FIG. 1 is a perspective view of the device of the present invention, and FIG. 2 is a partially cutaway sectional view. 1 ... drill rod, 1a ... tip bit, 1b ... hole, 2
...... Electric motor, 2a ...... Bearing, 3 ...... Concrete skeleton, 4 ...... Swivel joint, 4a ...... Bearing, 5 …… Inspection liquid tank, 5a …… Hose, 5b …… Cock, 6 …… Crisp receiving , 7 ... Gauge rod, 7a ... Scale, 8 ... Spring, C ... Crack, L ... Drilling depth.
Claims (4)
て、ドリルで掘削したくり粉を変色反応させると共に、
該変色反応時の削孔深さを同時に読み取ることを特徴と
するコンクリートの劣化検査方法。1. A test liquid is injected from the tip of a drill during drilling to cause a discoloration reaction of the starch powder drilled by the drill, and
A method for inspecting deterioration of concrete, characterized by simultaneously reading the depth of drilling during the color change reaction.
り、その赤色反応によりコンクリートの中性化状態を検
査することを特徴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 deterioration inspection method for concrete according to claim 1, wherein the inspection liquid is phenolphthalein, and the neutralization state of the concrete is inspected by its red reaction.
駆動する駆動手段と、上記中空穴にフェノールのフタレ
イン等の検査液を供給する手段と、ドリルの削孔深さを
検出する手段とから成ることを特徴とするコンクリート
の劣化検査装置。3. A drill having a hollow hole, a driving means for rotationally driving the drill, a means for supplying an inspection liquid such as phenolphthalein to the hollow hole, and a means for detecting a drilling depth of the drill. An apparatus for inspecting deterioration of concrete, which comprises:
せる装置が取付けられていることを特徴とする前記特許
請求の範囲第３項に記載のコンクリートの劣化検査装
置。4. The concrete deterioration inspection device according to claim 3, further comprising a device for spraying an inspection liquid such as phenolphthalein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5539787A JPH079400B2 (en) | 1987-03-12 | 1987-03-12 | Concrete deterioration inspection method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5539787A JPH079400B2 (en) | 1987-03-12 | 1987-03-12 | Concrete deterioration inspection method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63222243A JPS63222243A (en) | 1988-09-16 |
| JPH079400B2 true JPH079400B2 (en) | 1995-02-01 |
Family
ID=12997394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5539787A Expired - Fee Related JPH079400B2 (en) | 1987-03-12 | 1987-03-12 | Concrete deterioration inspection method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079400B2 (en) |
Cited By (2)
| 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 |
| KR101709955B1 (en) * | 2016-11-29 | 2017-03-08 | 주식회사 케이에스디 | Test device and method for carbonation of concrete |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102134413B1 (en) * | 2020-03-18 | 2020-07-15 | 주식회사회덕기술공사 | Safety Diagnosis Apparatus by Measuring the Depth of Carbonation of Concrete Structures |
-
1987
- 1987-03-12 JP JP5539787A patent/JPH079400B2/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| KR101709955B1 (en) * | 2016-11-29 | 2017-03-08 | 주식회사 케이에스디 | Test device and method for carbonation of concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63222243A (en) | 1988-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |