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抗氯離子滲透試驗(yàn)裝置

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產(chǎn)品型號(hào)ST-II

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更新時(shí)間:2024-01-11 15:52:33瀏覽次數(shù):172次

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商鋪產(chǎn)品:1006條

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聯(lián)系人:王林

產(chǎn)品簡(jiǎn)介

性能特點(diǎn):1放置115mL餾水的隔聞;2一**帶24mm開口的兩塊玻璃板之間的環(huán)氧涂腰3—放置175mL濃度為3mol/L的NaCl水溶液的隔間;4—水平標(biāo)記;5-25mm的**開口。

詳細(xì)介紹

環(huán)氧涂層預(yù)應(yīng)力鋼絞線氯化物抗?jié)B性試驗(yàn)裝置性能特點(diǎn)

1放置115mL餾水的隔聞;

2一帶24mm開口的兩塊玻璃板之間的環(huán)氧涂腰

3—放置175mL濃度為3mol/L的NaCl水溶液的隔間;

4—水平標(biāo)記;

5-25mm的中心開口。

I. Performance characteristics of epoxy coating prestressed steel strand chloride impermeability test device

1 Place aside 115mL of distilled water;

2 an epoxy waist between two glass plates with a 24mm opening

3—Place a 175 mL compartment of a 3 mol/L NaCl aqueous solution;

4—horizontal mark;

5-25mm center opening.


試驗(yàn)裝置:

兩個(gè)隔間被兩塊玻璃板隔開,每塊玻璃板的中心位置都有一個(gè)直徑為24mm的開口。試樣被夾在

兩塊玻璃板之間,在開口處形成一個(gè)隔膜。當(dāng)兩個(gè)隔間中的液體體積分別為115mL和175mL時(shí),兩

個(gè)隔間的液面水平線平齊。夾持隔膜的開口應(yīng)浸沒在溶液中。

A.1.2.1.2能測(cè)定氯離子濃度小于1×10-4mol/L的氯離子計(jì)。

A.1.2.2試樣

試樣為無金屬基體的已固化的方形環(huán)氧涂層,尺寸為100mm×100mm,厚度為9.1規(guī)定的最小厚度

A.1.2.3步驟

試樣放置在容器中的兩塊玻璃板之間,其中心位于玻璃板的開口處。在大隔間注入175mL濃度

為3mol/L的NaC水溶液,小隔間注入115mL蒸餾水。在23℃±2℃的溫度下試驗(yàn)45d后,測(cè)量小

隔間水溶液中的氯離子濃度

A.1.2.4試驗(yàn)評(píng)定

小隔問水溶液中的氯離子濃度應(yīng)小于1×10mol/L

Second, the test device

The two compartments are separated by two glass panels, each having a 24 mm diameter opening in the center. The sample is clamped

Between the two glass plates, a diaphragm is formed at the opening. When the volume of liquid in the two compartments is 115mL and 175mL, respectively,

The level of the liquid level in each compartment is flush. The opening holding the diaphragm should be completely submerged in the solution.

A.1.2.1.2 A chloride ion meter capable of measuring a chloride ion concentration of less than 1 x 10-4 mol/L.

A.1.2.2 sample

The sample is a cured metal epoxy coating with a metal-free matrix measuring 100 mm x 100 mm and a minimum thickness specified in 9.1.

A.1.2.3 steps

The sample is placed between two glass plates in the container, the center of which is located at the opening of the glass plate. Inject 175mL concentration into the large compartment

It was a 3 mol/L aqueous solution of NaC, and 115 mL of distilled water was injected into the small compartment. Small measurement after 45 days at 23 ° C ± 2 ° C

Chloride ion concentration in aqueous solution

A.1.2.4 Test evaluation

The chloride ion concentration in the aqueous solution should be less than 1×10mol/L.

gbt 21073-2007 環(huán)氧涂層七絲預(yù)應(yīng)力鋼絞線

Gbt 21073-2007 Epoxy coated seven-wire prestressed steel strand

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