متالوگرافی میکروسکوپ تست از تخلخل در سیمان کاربید
1. حداکثر اندازه از منافذ در سنگ زنی سطح مشخص شده است به عنوان اندازه از منافذ .
٪0a2. For pores smaller than or equal to 10um٪2c observe the worn surface of the sample under magnification of 100 or 200 times for evaluation.
٪0a3. For pores بزرگتر than 10um but smaller than 25um٪2c مشاهده the worn surface of the sample under a metallographic microscope at a magnification of 100x and evaluate it.
٪0a4. If it is necessary to inspect pores larger than 25um٪2c the inspection should be carried out under a metallographic microscope at an appropriate magnification of less than or equal to 100 times.
5. If the porosity or non compounded carbon is unevenly distributed on the ground surface of the inspected metallographic specimen, its position must be identified, such as the top, top, edge (shell), and center.
There are relatively many methods for detecting the porosity of rock cuttings and cores. In logging, drilling mud logging, microscopic examination of rock cuttings, and nuclear magnetic resonance analysis can measure the porosity of rock cuttings and cores. In logging, compensated neutron, compensated density, and acoustic time difference logging are commonly used methods for measuring porosity. Some universities and research institutions have also developed specialized equipment for measuring rock debris porosity. There are shortcomings such as inability to quantify and large errors in drilling mud logging and microscopic examination of rock cuttings, as well as high costs and cumbersome operations in nuclear magnetic resonance analysis; Logging is performed after the formation of the wellbore and the removal of drilling tools, with a relatively delayed measurement time; The equipment developed by universities and research institutions has a relatively high cost and a relatively complex structure. The Russian rock debris and core density porosity tester has the advantages of simple operation, easy to understand principle, low cost, easy maintenance, wide applicability, and strong real-time performance. As a supplement to existing methods, it is necessary.
مجموعه و ارایش از مختلف اشکال از درشت و ریز خاک ذرات در خاک شکل خاک فرم جامد اسکلت٪ 2c با منافذ از متفاوت عرض و شکل در داخل اسکلت٪ 2c تشکیل a پیچیده منافذ سیستم. درصد از کل منافذ حجم در خاک حجم به نام خاک تخلخل است.
(1) Using a ring knife with a volume of Vt, using a ring knife with a handle and a soil cutting knife to sample, i.e. the soil volume is Vt;
(2) برداشتن خارج خاک نمونه و استفاده الکترونیکی تعادل به وزن مرطوب ms٪ 27 خاک نمونه٪ 3b
(3) خشک کردن خاک نمونه ها استفاده از روش ها مانند گرم کردن و خشک کردن٪ 2c الکل سوزاندن٪ 2c و خشک کردن یخ 3b
(4) محاسبه رطوبت محتوای خاک نمونه٪ 3a w٪ 7b٪ 7b1٪ 7d٪ 7d (ms٪ 27 ms) ٪ 2fms ٪ c3٪ 97 100 درصد ٪ 3b
(5) محل خشک خشک خاک نمونه به اندازه گیری سیلندر حاوی اب٪ 2c و اندازه گیری حجم Vs از خشک خاک نمونه استفاده اصل از زهکشی روش٪ 3b
(6) محاسبه خاک فله چگالی D و چگالی d با استفاده از فرمول (1) و (2) ٪ 3b
(7) Based on the calculation of soil bulk density and density٪2c calculate soil porosity using formula (3).
