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1.
Lisichkin S. E. Rubin O. D. Pashchenko F. A. 《Power Technology and Engineering (formerly Hydrotechnical Construction)》2021,55(3):373-379
Power Technology and Engineering - The experimental results on retaining reinforced-concrete walls reinforced with anchor ties and carbon composite materials on the face side of hydraulic... 相似文献
2.
V.V. Korolkov I.I. Kulakova B.N. Tarasevich G.V. Lisichkin 《Diamond and Related Materials》2007,16(12):2129-2132
High temperature hydrogen stream treatment of nanodiamond was shown to produce nanodiamond with bifunctional surface. OH- and different CH-groups were shown to be the main functional groups on the surface. In this article we proposed two main strategies for further chemical modification of hydrogenated nanodiamond. OH-groups were shown to react with different types of acylating agents: anhydrides and chloranhydrides. Chlorination of hydrogenated nanodiamond with molecular chlorine and its subsequent treatment with alkyllithium reagents resulted in formation of alkyl-nanodiamonds. Chlorination was shown to reduce the size of nanodiamonds aggregates. We have also applied suspension-state NMR-H1 spectroscopy to study suspensions of alkyl-nanodiamonds for the first time. 相似文献
3.
A. S. Zalesov S. E. Lisichkin 《Power Technology and Engineering (formerly Hydrotechnical Construction)》1990,24(3):221-226
| 1. | The suggestions on calculating the strength of concrete joints with transverse reinforcements were made on the basis of using the method of secondary stress fields and permit more complete consideration of the effect of the characteristics of the stress state on the strength of massive members. |
| 2. | Unlike the preceding developments, the present suggestions make it possible to evaluate the reinforcement and concrete strength of the structural member being designed with pin resistance of the transverse bar reinforcement to the effect of the initial and secondary shear stresses in the longitudinal joint. |
| 3. | The installation of an additional amount of transverse reinforcement precludes the probability of separation of the massive member along the longitudinal block joint and provides reliable and safe operation of the structure. |
4.
5.
V. G. Lisichkin 《Measurement Techniques》2009,52(11):1236-1241
An analysis is performed of existing methods of measuring phase shifts, in which it is proposed to use a principle of additive
correction to reduce the instrumental error arising on realizing generator methods of monitoring humidity. A scheme for an
instrument is developed that provides for realizing this principle and substantially improves the reliability of humidity
monitoring. 相似文献
6.
O. D. Rubin S. E. Lisichkin B. A. Nikolaev O. B. Lyapin 《Power Technology and Engineering (formerly Hydrotechnical Construction)》1999,33(4):241-247
Conclusions
Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 4, pp, 40–45, April, 1999. 相似文献
| 1. | The design of the steel-reinforced concrete pressure conduit was checked for four calculated cross sections: I-I, II-II, III-III, and IV-IV. The calculated check was made in accordance with Russian standards by analytical and numerical methods. The usual load combination of the operating period was taken as the main variant. |
| 2. | The calculations showed that the strength condition of the conduit is fulfilled; in this case there is a considerable safety factor with respect to the shell and reinforcement, which attests to the degree of reliability and safety. |
| 3. | Calculations of stresses in the steel shell and reinforcement by the FEM were made on the bases of finite-element models of cross sections with consideration of the formation of cracks in them. The calculated stresses do not exceed the strength of the steel shell and reinforcement. |
| 4. | Conduit cross sections under temperature effects were calculated. Annual variations of the temperatures of the air, water, concrete of the dam, etc., were taken as the loads. The calculations showed that thermal stresses in the steel shell and reinforcement increase by not more than 24 MPa. |
| 5. | A check of the design of the steel-reinforced concrete conduit showed complete fulfillment of the strength condition and high reliability of the design. The design of the steel-reinforced concrete conduits is recommended for realization when constructing structure of the Three Gorges hydro development. |
7.
8.
A. L. Lisichkin E. V. Nesterov V. Yu. Petrov V. A. Stroganov 《Instruments and Experimental Techniques》2007,50(1):82-85
A wideband calorimeter intended for measuring energies of the pulsed microwave radiation with duration of several nanoseconds to 1 s is described. The calorimeter’s principle of operation is based on measuring the volume increment that results from heating, when the radiation is absorbed by a polar liquid. The energy measurement range is 10 mJ–100 J, the energy-absorption coefficient is >0.9 in a frequency band of 1.6–20 GHz and ～0.99 at frequencies of 4–18 GHz. The measurement error of the absorbed energy in the range 0.2–50 J does not exceed ±4%. 相似文献
9.
A. S. Zalesov S. E. Lisichkin 《Power Technology and Engineering (formerly Hydrotechnical Construction)》1992,26(6):383-387
| 1. | The effect of an inclined face on the stress state of concrete and reinforcedconcrete members was investigated. It was established that shear stresses are a function not only of the transverse force but also of the bending moment and slope angle of the face. |
| 2. | Calculations showed that the presence of an inclined face favorably affects the character of the distribution of shear and principal tensile stresses, as a result of which it is possible to reduce the amount of reinforcement installed for absorbing the principal tensile stresses. |
| 3. | It is recommended to supplement the points of the design standards related to calculation of members on the basis of principal tensile stresses with respect to consideration of the effects of the slope of the face for the appropriate class of members. |
10.