沉力
1.The Dynamic Responses Analysis of Ice Force for Pile Foundation Caisson Structure
2.The upward force of a liquid is called buoyancy, which can keep some objects up.
3.As a new technique in the field of microchannel phase-change heat transfer, micro capillary grooved heat sink can drive fluid flow by capillary force and creat enhanced evaporation heat transfer conditions by promoting the formation of an extended meniscus in the three-phase contact-line region of a microgroove. It has been used to achieve the heat exchanges with high heat transfer coefficients and high heat flux.
4.b) the coupling of the formation of the paraforeland Hefei Basin in the Jurassic with the strong buoyancy diapir orogenic uplifting of the Dabie-Zhangbaling Orogenic Balt resulted from the folding subsidence of the underthrust Yangtze Plate and the further matching compressive orogenesis of the Yangtze-Huabei Landmass;
5.This paper deals with seismic response of a tunnel-soil system．Immersed tunnel，as an underground structure，must be compatible with the deformation of the surrounding soil．Thus the simplified model for a tunnel-soil system is established through two steps．At the first step，an MDOF system is developed for modeling the foundation soil．To this end，dynamic behavior of the foundation soil is analyzed．A typical section of the foundation soil simplified as a single mass-spring system on the basis of some equivalent criteria．Those mass are linked longitudinally by elastic springs to form an MDOF system．At the second step，the tunnel is treated as a beam on elastic foundation;that is，the tunnel is connected with the soil massed to form a tunnel-soil system．This model has been applied to the seismic analysis of Huangsha?Fangcun immersed tunnel across the Pearl River in Guangzhou．Design recommendation is proposed on the basis of this analysis.
6.Mildly removes old keratin, softens skin, increases skin flexibility, improves dullness and enhances moisture-retaining ability and luster of the skin.
7.This paper describes the application of semi-circular breakwater at home and abroad and the design innovation and optimization of semi-circular jetty in Yangtze Estuary Deepwater Channel Regulation Project, esp. the design of estuary jetty structure using semi-circular floating caissons; A new calculation method for wave forces acting on the submerged semi-circular estuary jetty and the optimization design method for semi-circular structures are recommended.
8.This paper described such problems as the choosing of bearing layer,pile penetrating and its compaction effect,improving methods during the application of PHC pile in soft clay area in association with an engineering practice.
9.Through analyzing the structure of open caisson, and according to sinking stress principle, the paper introduced in the open caisson construction process sinking, correcting error, survey control as well as peculiar circumstance processing technical measure, such as in open caisson construction the inner-mold for sanding, framework supporting and steel binding, and concrete casting; in open caisson sinking-control the sand in edge foot inner-mold, sand-pumping sinking, and pressure hydraulic monitor breaking and pressure-blowing sinking by air pressure blower etc.
