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Long-term settlement prediction of high-speed railway bridge pile foundationYANG Qi(杨奇)1, 2, LENG Wu-ming(冷伍明)1, ZHANG Sheng(张升)1, NIE Ru-song(聂如松)1, WEI Li-min(魏丽敏)1, ZHAO Chun-yan(赵春彦)1, LIU Wei... program named LTPGS was developed to improve the calculation efficiency. The comparison between long-term settlement obtained from the proposed method and the in-situ measurements of pile foundation......
] MASTROFINI D, SCARSELLA M. The application of rheology to the evaluation of bitumen aging [J]. Fuel, 2000, 79(4): 1005-1015. [14] RUAN Yong-hong, RICHARD R D, CHARLES J G. The effect of long-term... oven test (TFOT) was used to simulate the age hardening occurring of bitumen during plant mixing and laydown, and the pressure ageing test (PAV) was employed to simulate long-term thermal-oxidative......
, modification of the matrix phase showed an obvious improvement on the physical properties as well as the better UV aging properties of bitumens, which was opposite to the long-term aging result.关键词:... of various bitumens was studied. The morphology of the binders was characterized by atomic force microscopy (AFM). The influence of OMMT on physical properties of the binders before and after long-term......
Long-term Antibacterial Properties and Bond Strength of Experimental Nano Silver-containing Orthodontic Cements李福军,李祖兵,LIU Gumei,HE HongHospital of Stomatology, Wuhan University摘 要:The purpose of this study was to evaluate the long time antibacterial properties and shear bond strength of experimental nano silver-containing cements (NSC). Nano silver......
time. Although, so much research has been performed on the effects of short-term or long-term aging on the microstructural changes of superalloys [1-6], but in all of these studies, either a cast... (cast or wrought) during long term aging at high temperatures. The finer grains of wrought alloys denote that they have more grain boundaries in a unit volume of the material. Grain boundaries as well......
; Technology,Changsha 410114, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2017 Abstract: Long-term load and flexural failure experiments are carried out on two prestressed concrete (PC) simply supported box girders. In the long-term load experiment, girder-1 (G1) is in an elastic state, while girder-2 (G2) is in a cracking state. To investigate......
J. Cent. South Univ. (2021) 28: 834-847 DOI: https://doi.org/10.1007/s11771-021-4648-3 Displacement behavior and mechanism of long-term water flooding in sandstone oil reservoirs CAO Ren-yi(曹仁义)1... are generally developed with high flow rate. After long-term water flooding (LTWF), the water flooding characteristics are quite different from that of original reservoir. In this paper, the effects......
Improvement of Lagrangian relaxation performance for open pit mines constrained long-term production scheduling problemE. Moosavi1, J. Gholamnejad2, M. Ataee-pour3, E. Khorram4(1. Department... of Technology, Tehran 15916-34311, Iran)Abstract:Constrained long-term production scheduling problem (CLTPSP) of open pit mines has been extensively studied in the past few decades due to its wide application......
as the formation of Laves phase. The results indicate that the coarsening of M23C6 is more obvious than that of MX with increase in aging time. During the long-term thermal exposure, the Fe2 W Laves phase...Effects of Isothermal Aging on Microstructure and Mechanical Property of Low-Carbon RAFM SteelJian-Guo Chen1,2,Chen-Xi Liu1,Chen Wei2,Yong-Chang Liu1,Hui-Jun Li11. State Key Lab of Hydraulic......
/N) nanoprecipitates in type 347 H austenitic steel was systematically studied. To investigate the coarsening behavior and the growth mechanism of MX carbonitrides during long-term aging, experiments were performed at 700, 800, 850, and 900°C for different periods(1, 24, 70, and 100 h). The precipitation behavior of carbonitrides in specimens subjected to various aging conditions was explored......
