展張計 Extensometers |
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非常に単純で信頼できる構造です。 |
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●仕様 | ||||
Standard Range | up to 100mm (4in.) | |||
Least Reading | 0.025mm (0.001in.) | |||
Borehole Diameter | 35, 44, 51, 64mm (1.375, 1.75, 2, 2.5in.) | |||
Maximum Length | 10m (30ft) | |||
セメントグラウト用アンカーで、垂直ボアホールに設置するのに最適な機材です。 |
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●仕様 | ||||
Standard Range | up to 300mm (12in.) nominal | |||
Least Reading | 0.025mm (0.001in.) | |||
Borehole Diameter |
76mm (3in.) or over |
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Maximum Length | 100m (300ft) | |||
スナップリングアンカーを用いて、岩盤等の硬いボアホールに素早く簡単に取り付けられます。 |
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●仕様 | ||||
Standard Range | up to 300mm (12in.) nominal | |||
Least Reading | 0.025mm (0.001in.) | |||
Borehole Diameter* | 38mm to 76mm (1.5 to 3in.) | |||
Maximum Length | 50m (150ft) | |||
*Any borehole diameter up to 3 inches may be specified. Note that the size of the hole required increases with the addition of more measuring points. | ||||
水圧アンカーは、柔らかい土質ならびに状態がよくない岩石のボアホールに適しています。 |
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●仕様 | ||||
Standard Range | up to 300mm (12in.) nominal | |||
Least Reading | 0.025mm (0.001in.) | |||
Borehole Diameter* | 38 to 102mm (1.5 to 4in.) | |||
Maximum Length | 100m (300ft) | |||
*Note that the size of the hole required increases with the addition of more measuring points. | ||||
繊維ガラス製のロッド(保護管の内部に挿入)を、必要な長さに切断して使用します。 |
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●仕様 | ||||
Standard Range | up to 300mm (12in.) nominal | |||
Least Reading | 0.025mm (0.001in.) | |||
Borehole Diameter* | 50mm (2in.) minimum (for single point) | |||
Maximum Length | 100m (300ft) | |||
*Note that the size of the hole required increases with the addition of more measuring points. | ||||
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線形抵抗計に接続された径6.5 mm(0.251インチ)のシャフトが両方から突き出ており、これに展張計がつながれています。 |
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●仕様 | ||||
Standard Ranges | 50, 100, 150, 200, 250mm (2, 4, 6, 8, 10in.) | |||
Least Reading | 0.025mm (0.001in.) | |||
Accuracy | ±0.25% F.S. | |||
Nonlinearity | < 0.5% F.S. | |||
Length x Diameter | variable x 19mm (0.75in.) | |||
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築堤、フィル、建造物の影響による地層の沈下、隆起の測定に適しています。 |
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●仕様 | ||||
Standard Range | unlimited (cable 30, 150m (100, 500ft)) | |||
Sensitivity |
±1mm (±0.04in.) | |||
Repeatability | ±3mm (±0.12in.) | |||
Temperature Range | -30℃ to +80℃ | |||
Borehole Size | 102 to 152mm (4 to 6in.) standard | |||
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8 m(25フィート)のプローブで、ボアホールのガイドチューブに挿入して最高20個の磁石付きアンカーを検出します。 |
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●仕様 | ||||
Standard Range | 25ft (8m) | |||
Least Reading* |
0.001in. (0.025mm) | |||
Borehole Diameter | 1.5in. (38mm) | |||
Maximum Length | 25ft (8m) | |||
*The Sonic Probe is available in English measure only. | ||||