SU853474A1 - Method of determination of building material resistance to crack propagation - Google Patents

Method of determination of building material resistance to crack propagation Download PDF

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Publication number
SU853474A1
SU853474A1 SU792841688A SU2841688A SU853474A1 SU 853474 A1 SU853474 A1 SU 853474A1 SU 792841688 A SU792841688 A SU 792841688A SU 2841688 A SU2841688 A SU 2841688A SU 853474 A1 SU853474 A1 SU 853474A1
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SU
USSR - Soviet Union
Prior art keywords
crack propagation
determination
building material
sample
material resistance
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SU792841688A
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Russian (ru)
Inventor
Анатолий Алексеевич Каминский
Дмитрий Александрович Гаврилов
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Институт Механики Ан Украинской Ссср
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Priority to SU792841688A priority Critical patent/SU853474A1/en
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Publication of SU853474A1 publication Critical patent/SU853474A1/en

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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Description

процессе эксплуатации или в процессе выработки горных массивов и пород.during the operation or in the process of mining mountain ranges and rocks.

Claims (1)

Формула изобретени Invention Formula Способ определени  сопротивлени  конструкционного материала распространению трещины, заключающийс  в том что нагружают образец материала с концентратором напр жений .в виде трещины , регистрируют увеличение нагрузки и длины трещины и по ним суд т о сопротивлении конструкционного материала распространению трещины , отличающийс  тем, что, с целью приближени  условий нагружени  к реальным, сначала 1 сполье зуют Образец без концентратора напр жений , нагружают его до заданного значени  усили , при сохранении этого усили  посто нным выполн ют в образце концентратор напр жений, а затем увеличивают нагрузку на образец .The method for determining the resistance of a structural material to crack propagation, which consists in loading a sample of a material with a stress concentrator in the form of a crack, records an increase in the load and length of the crack, and judging the resistance of the structural material to crack propagation, which load conditions to real, first 1 use a sample without a stress concentrator, load it to a predetermined force value, while maintaining this force constant The stress concentrator is filled in the sample and then the load on the sample is increased.
SU792841688A 1979-11-22 1979-11-22 Method of determination of building material resistance to crack propagation SU853474A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792841688A SU853474A1 (en) 1979-11-22 1979-11-22 Method of determination of building material resistance to crack propagation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792841688A SU853474A1 (en) 1979-11-22 1979-11-22 Method of determination of building material resistance to crack propagation

Publications (1)

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SU853474A1 true SU853474A1 (en) 1981-08-07

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SU792841688A SU853474A1 (en) 1979-11-22 1979-11-22 Method of determination of building material resistance to crack propagation

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SU (1) SU853474A1 (en)

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