Results 1 to 10 of about 185,898 (308)

Research on Application of Multi-Channel Selector in Centrifugal Model Test of Anchoring Slope by Frame Beam

Frontiers in Earth Science, 2021
An anchoring frame beam is a very common form of support for reinforced slopes, especially in alpine regions. Centrifugal tests have proved to be an intuitive and effective means of investigating the mechanism of action of frame beams.
Junhui Zhang, Feng Li, Shiping Zhang, Jiankun Zhou, Houming Wu   +4 more
doaj   +1 more source

Comparative analysis of bearing capacity of CFG single pile by centrifugal model tests and field tests

Yantu gongcheng xuebao, 2022
For the soft soil foundation slipped in the storage yard of a wharf, the composite foundation with CFG pile net is used for reinforcement in typical zone.
WANG Nian-xiang 1, 2, LIU Chao 3, LIN Xian-cai 3, CAO Chang-hao 4, LIAN Chang-qiu 4
doaj   +1 more source

Expedited method of testing and refinement of refrigeration centrifugal compressors [PDF]

E3S Web of Conferences, 2019
Currently existing regulatory documents assume that refrigeration compressors are tested as part of test rigs with heat-exchange equipment. Given the high energy intensity of centrifugal compressors, the drive power of which in cooling mode with a cold ...
Sukhomlinov Igor, Golovin Mihail
doaj   +1 more source

Bearing capacity of single root pile considering cushion effects

Yantu gongcheng xuebao, 2022
For the slipped soft soil foundation in the storage yard of a wharf, the root pile-net composite foundation is used. The centrifugal model test are carried out to study the effects of cushions on the bearing behaviors of single root pile.
REN Guo-feng 1, 2, LIU Chao 3, LIN Xian-cai 3, CAO Chang-hao 4, LIAN Chang-qiu 4
doaj   +1 more source

Permeability similarity of soils in centrifugal model tests

Yantu gongcheng xuebao, 2022
Whether the time scale tp/tm=n2 for consolidation and pore water pressure diffusion in centrifugal model tests is correct or not is infact. How the permeability coefficient of soils changes with the centrifugal acceleration.
WANG Nian-xiang 1, 2 , , REN Guo-feng 1, 2, GU Xing-wen 1, 2
doaj   +1 more source

Optimal Design of Slit Impeller for Low Specific Speed Centrifugal Pump Based on Orthogonal Test

Journal of Marine Science and Engineering, 2021
Marine centrifugal pumps are mostly used on board ship, for transferring liquid from one point to another. Based on the combination of orthogonal testing and numerical simulation, this paper optimizes the structure of a drainage trough for a typical low ...
Yang Yang, Ling Zhou, Hongtao Zhou, Wanning Lv, Jian Wang, Weidong Shi, Zhaoming He   +6 more
doaj   +1 more source

Development and performance testing of in-flight miniature CPTu equipment on ZJU-400 centrifuge

Yantu gongcheng xuebao, 2022
The piezocone penetration test (CPTu) is an important in-situ soil testing method widely used in conventional 1g condition in engineering practices.
ZHOU Yan-guo 1, 2, 3, WANG Zhi-nan 1, 2, 3, MA Qiang 1, 2, 3, LIANG Tian 4, CHEN Yun-min 1, 2, 3
doaj   +1 more source

Sub-femto-g free fall for space-based gravitational wave observatories: LISA pathfinder results [PDF]

, 2016
We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a ...
Armano, M., Audley, H., Auger, G., Baird, J.T., Bassan, M., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Caleno, M., Carbone, L., Cavalleri, A., Cesarini, A., Ciani, G., Congedo, G., Cruise, A.M., Danzmann, K., de Deus Silva, M., De Rosa, R., Di Fiore, L., Diaz-Aguiló, M., Diepholz, I., Dixon, G., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fichter, W., Fitzsimons, E.D., Flatscher, R., Freschi, M., García Marirrodriga, C., García Marín, A.F., Gerndt, R., Gesa, L., Giardini, D., Gibert, F., Giusteri, R., Grado, A., Grimani, C., Grynagier, A., Grzymisch, J., Guzmán, F., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspé, H., Jennrich, O., Jetzer, P., Johann, U., Johlander, B., Karnesis, N., Kaune, B., Killow, C.J., Korsakova, N., Liu, L., Lloro, I., Lobo, J.A., López-Zaragoza, J.P., Maarschalkerweerd, R., Madden, S., Mance, D., Martin-Polo, L., Martin-Porqueras, F., Martino, J., Martín, V., Mateos, I., McNamara, P.W., Mendes, J., Mendes, L., Monsky, A., Nicolodi, D., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Raïs, B., Reiche, J., Rivas, F., Robertson, D.I., Rozemeijer, H., Russano, G., Sanjuán, J., Sarra, P., Schleicher, A., Shaul, D., Slutsky, J., Sopuerta, C.F., Stanga, R., Steier, F., Sumner, T., Texier, D., Thorpe, J. I., Trenkel, C., Tröbs, M., Tu, H.B., Vetrugno, D., Vitale, S., Wand, V., Wanner, G., Ward, H., Warren, C., Wass, P. J., Wealthy, D., Weber, W.J., Wissel, L., Wittchen, A., Zambotti, A., Zanoni, C., Ziegler, T., Zweifel, P.   +118 more
core   +10 more sources

Development and performance tests on NS-2 horizontal unidirectional centrifugal shaker

Yantu gongcheng xuebao, 2020
The dynamic centrifuge model test technology based on the geo-centrifugal shaking table system is the most effective and advanced research method and test technology for geotechnical engineering seismic problems.
GU Xing-wen , REN Guo-feng , WANG Nian-xiang , XU Guang-ming
doaj   +1 more source

Bearing resistance property of diameter-expanded anchorage in sandy ground [PDF]

E3S Web of Conferences, 2019
Based on a past centrifugal model test and complementary discrete element method (DEM) simulation, this paper provides insights into bearing resistance of diameter-expanded anchorage with its anchor body expanded. In the centrifugal model test, an anchor
Sawamatsu Toshikazu, Nitta Takehiko, Miyatake Hiroaki, Otsubo Masahide   +3 more
doaj   +1 more source