静态破碎剂的轴向膨胀力学性能实验研究

doi:10.12068/j.issn.1005-3026.2016.02.021

东北大学学报:自然科学版 ›› 2016, Vol. 37 ›› Issue (2): 248-252.DOI: 10.12068/j.issn.1005-3026.2016.02.021

静态破碎剂的轴向膨胀力学性能实验研究

戴星航¹，张凤鹏¹，邱兆国²，徐香新²

(1. 东北大学深部金属矿山安全开采教育部重点实验室，辽宁沈阳110819；2. 东北大学理学院，辽宁沈阳110819)

收稿日期:2014-12-15 修回日期:2014-12-15 出版日期:2016-02-15 发布日期:2016-02-18
通讯作者: 戴星航
作者简介:戴星航(1981-)，男，四川达州人，东北大学博士研究生；张凤鹏(1967-)，男，辽宁葫芦岛人，东北大学教授.
基金资助:
国家科技支撑计划项目(2013BAB02B01，2013BAB02B03)；中央高校基本科研业务费专项资金资助项目(N120801002，N120701001).

Experimental Study on Axial Swelling Mechanical Properties of Static Cracking Agent

DAI Xing-hang¹， ZHANG Feng-peng¹， QIU Zhao-guo²， XU Xiang-xin²

1. Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines， Northeastern University， Shenyang 110819， China； 2. School of Sciences， Northeastern University， Shenyang 110819， China.

Received:2014-12-15 Revised:2014-12-15 Online:2016-02-15 Published:2016-02-18
Contact: ZHANG Feng-peng
About author:-
Supported by:
-

摘要/Abstract

摘要： 针对静态破碎剂轴向膨胀力学行为进行了深入研究，提出了测量静态破碎剂膨胀压的轴向输出法，设计了测试系统及核心钢筒组件.分别采用轴向输出法和外管法对静态破碎剂膨胀压进行了测试.通过对比在不同孔径条件下两种方法测得的膨胀压，分析了孔径大小对静态破碎剂轴向膨胀压及其输出率的影响.结果表明:轴向输出法能够可靠准确测得静态破碎剂膨胀压；在固定的高径比条件下，静态破碎剂轴向膨胀压随孔径尺寸增大而增加；孔径小于50mm时，自封孔效应导致静态破碎剂输出轴向膨胀压的能力减弱；孔径大于150mm时，轴向膨胀压与径向膨胀压趋于一致，轴压输出率达100%.

关键词: 静态破碎剂, 圆筒直径, 膨胀压, 轴向输出法, 输出规律

Abstract: Focused on the axial swelling mechanical behavior of static cracking agent (SCA)， an axial-output method was proposed to measure the swelling pressure of SCA and a measurement system and its core steel cylinder component were designed. The swelling pressure of SCA was measured using the axial-output method and the external pipe method respectively， and the effects of pipe diameter on axial swelling pressure and output rate were analyzed through the contrast of pressure on the condition of different pipe diameters. The result shows that the axial-output method is accurate for the measurement of swelling pressure. Under the fixed height-diameter ratio， the axial swelling pressure increases with the increase of the diameter size. The capacity of SCA axial-output decreases because of the self-sealing effect when the diameter is smaller than 50mm， and the axial and radial swelling pressures are almost identical and the output rate of axial pressure is up to 100% when the diameter is larger than 150mm.

Key words: static cracking agent, cylinder diameter, swelling pressure, axial-output method, output rules

中图分类号:

TU43

戴星航，张凤鹏，邱兆国，徐香新. 静态破碎剂的轴向膨胀力学性能实验研究[J]. 东北大学学报:自然科学版, 2016, 37(2): 248-252.

DAI Xing-hang， ZHANG Feng-peng， QIU Zhao-guo， XU Xiang-xin. Experimental Study on Axial Swelling Mechanical Properties of Static Cracking Agent[J]. Journal of Northeastern University Natural Science, 2016, 37(2): 248-252.

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静态破碎剂的轴向膨胀力学性能实验研究

Experimental Study on Axial Swelling Mechanical Properties of Static Cracking Agent

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