JP5769107B2 - ガスハイドレートペレットの破壊強度の試験方法 - Google Patents
ガスハイドレートペレットの破壊強度の試験方法 Download PDFInfo
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- JP5769107B2 JP5769107B2 JP2011073902A JP2011073902A JP5769107B2 JP 5769107 B2 JP5769107 B2 JP 5769107B2 JP 2011073902 A JP2011073902 A JP 2011073902A JP 2011073902 A JP2011073902 A JP 2011073902A JP 5769107 B2 JP5769107 B2 JP 5769107B2
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- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 title claims description 132
- 239000008188 pellet Substances 0.000 title claims description 80
- 238000010998 test method Methods 0.000 title claims description 16
- 239000003507 refrigerant Substances 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 17
- 230000003068 static effect Effects 0.000 claims description 11
- 238000012360 testing method Methods 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 238000000034 method Methods 0.000 description 18
- 238000012669 compression test Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 238000000465 moulding Methods 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 6
- 230000002528 anti-freeze Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000000416 exudates and transudate Anatomy 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
Κ0 = sh'/sv' [式1]
なお、静止土圧係数(Κ0)は、軸方向応力をsv'とし、水平方向応力をsh'とすると、式1に示すように、これらの応力の比である。
Κ0 = sh'/sv' [式1]
1 三軸圧縮試験機
2 三軸圧力室
3 ゴムスリーブ
5 載荷ピストン
6 圧縮機
6a 背圧管
7 圧力計
8 排水管
9 切替バルブ
10a 荷重計
10b 変位計
Claims (2)
- 供試体をゴム製のゴムスリーブに収容させ、該ゴムスリーブを圧力円筒容器からなる三軸圧力室に収容させ、供試体には載荷ピストンで軸方向に荷重を付加し、三軸圧力室内の加圧液の圧力を上昇させて側方向からの荷重を付加する三軸圧縮試験機を用いたガスハイドレートペレットの破壊強度の試験方法において、
前記ゴムスリーブにガスハイドレートペレットを収容させ、
前記三軸圧力室にガスハイドレートを常圧下でも分解させない温度まで冷却する冷媒を充填し、
前記ゴムスリーブ内の内圧と三軸圧力室の内圧とを、ガスハイドレートが常温でも分解しない圧力まで昇圧させ、
前記三軸圧縮試験機を、前記冷媒温度が常温に昇温するまで放置し、
前記載荷ピストンを作動させて適宜大きさの軸方向荷重をガスハイドレートペレットに付加する垂直方向応力付与工程と、前記三軸圧力室の加圧液の圧力を適宜な大きさまで上昇させて側方向荷重をガスハイドレートペレットに付加する水平方向応力付与工程と、を交互に行って三主応力方向荷重を所望の大きさに到達させ、
三主応力方向荷重が所望の大きさにある状態で、前記載荷ピストンで軸方向荷重を付加してガスハイドレートの破壊強度を測定することを特徴とするガスハイドレートペレットの破壊強度の試験方法。 - 前記垂直方向応力付与工程における静止土圧係数を、0.5を下限とし、
前記水平方向応力付与工程における静止土圧係数を、1.0を上限とすることを特徴とする請求項1に記載のガスハイドレートペレットの破壊強度の試験方法。
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Cited By (3)
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JP2007225405A (ja) * | 2006-02-23 | 2007-09-06 | Univ Chuo | 三軸試験装置および三軸試験装置用プログラム |
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Cited By (3)
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CN109298157A (zh) * | 2018-07-17 | 2019-02-01 | 西南石油大学 | 一种检测甲烷水合物声电力学特性的压力舱室及使用方法 |
CN109374436A (zh) * | 2018-09-19 | 2019-02-22 | 大连理工大学 | 一种基于ct图像的水合物沉积物剪切带识别方法 |
WO2021017639A1 (zh) * | 2019-07-30 | 2021-02-04 | 中国矿业大学 | 一种三轴有压冻结制冰方法 |
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