Advanced Materials Research Vol. 738

Abstract: New building materials variety and yield is developing with hitherto unknown speed, construction engineering development if the effective use of new building materials will be excellent performance of new technology. Novel building materials can significantly reduce the weight of buildings, to promote the light construction structure created the conditions. IPv6 is not only a good solution to the problem of the lack of IP address, but also due to the introduction of encryption and authentication mechanisms to make it a better improvement in the network. The paper presents the novel model of building and energy engineering based on IPv6 technology. Experimental results show that the proposed method has high efficiency.

Abstract: Building materials that constitute the building materials from the foundation, load-bearing member, until the materials used in floors, walls, and roof. The elastic material is deformed under external force, the nature of the original shape when the external force is canceled, can be fully restored. The paper designs and implements a way to use Java as the system software platform programmable ARM-based embedded systems, in order to achieve a variety of local applications and network support. The paper presents the research on building materials and engineering system based on embedded system. Experimental results show that the proposed algorithm has high efficiency.

Abstract: In order to study the effect of the raw material’s properties to the HMA’s pavement performance, the asphalt, coarse aggregate and fine aggregate are studied. The test results show that: the modified asphalt content is more than the base asphalt with the same aggregate and gradation. The former’s pavement performance is obviously better than the latter’s. The granite mixture’s asphalt content is less than the gabbro mixture. Their high and low temperature performances are in the same level, but the former’s water stability is worse.

Abstract: A detailed description of the application and performance characteristics of new energy-saving building materials, including the use of new wall material, thermal insulation material, waterproof sealing material. New building materials is different from the traditional brick, gray sand and gravel and other building materials, building materials of new varieties, instead of supporting a variety of various auxiliary materials and chemical materials. RFID tags by coupling components and chips, each tag has a unique electronic coding, attached to the object target object. The paper presents Development of Novel Building Materials and Mining system based on improved radio frequency identification technology. Experimental results show that the proposed method has high efficiency.

Abstract: As an ultra-high performance concrete, reactive powder concrete (RPC) has broad practical application prospects. In this paper, phosphorus slag (PS) powder is utilized as one reactive component to prepare RPC. The effect of the PS content and water-binder ratio on the strength (flexure and compression) of concrete mixtures containing PS and silica fume (SF) is investigated. The results show that utilization of PS powder and SF in RPC production is feasible. RPC samples whose content of PS was about 30%-35% (by weight of binder) and water-binder ratio (W/B) was 0.16 were prepared after they had been cured at 95°C for 3 days. The compressive and flexural strength of those samples was 21.2 MPa and 142.2 MPa respectively.

Abstract: In this paper, dynamic mechanics analysis was performed, in order to investigate the maximum forces acting on the crankshaft under working conditions. Then, three dimensional, finite element analyses have been conducted, in an attempt to predict the fatigue crack-initiation locations and lives. The maximum loadings, used in finite element analyses, were analytical obtained, which correspond to the five critical rotational angles of the first crankpin, i.e. = 40 º, 110º, 185 º, 255 º, 325 º. The maximum stress site was found to be approximately on the fillet of the first main journal of the crankshaft. The predicted fatigue life of the crankshafts was obtained by use of a stress-life (S-N) approach.

Abstract: Based on the total content of plastic deformation theory, this paper calculated blank unfolding of stamping welded hydrodynamic torque converter blades by applying the finite element inverse approach. Through numerical calculation for stamp forming of the blade blank unfolding, the calculation results showed that the size and shape of the blank forming results were consistent with three-dimensional blade design model. Using the finite element inverse algorithm we can obtain the initial blank shape of torque converter blades more precisely and rapidly, so as to accurately cut the blank material in the blade production stage.

Abstract: The theory, model and algorithm of three products heavy medium cyclone flow field were researched, and the heavy medium cyclone flow field was simulated based on aerodynamic. Through the researches, the numerical discrete algorithm of heavy medium cyclone flow field was deduced, the calculation algorithms of heavy medium cyclone flow field were given, the washed coal particle trace, intermediate coal particle trace, gangue particle trace in three products heavy medium cyclone, and the separation rules based on aerodynamic and flow field characteristics of three products heavy medium cyclone were obtained.

Abstract: Different open lid time influence the strength of shock waves in launch box. To research on the issue, this article conducts an unsteady numerical simulation on a missile, using RNG κ–ε turbulence model. Through analyzing the pressure contours and pressure plots of the walls of launch box, the spreading process of the shock waves is figured out and the strength of the shock waves in different situations are obtained. The conclusion is helpful for design of open lid process, and it also improves the design scheme for the next generation.

Abstract: It is advanced that cool-starting capacity of the battery is the key factor that affects the cool-starting performance of diesel engine. Cool-starting capacity of the battery is mainly affected by these factors,such as, the structure of the polar board, discharge electric current, temperature and density of the electrolyte. By optimally calculating the parameters above, optimal performance parameters of diesel engine at low temperature are received. Two performance tests of the diesel engine at low temperature,both Cool-Starting torque and starting rotate speed,are made on the basis of the cool-starting system of diesel engine,which completely satisfy the cool-starting requirements of the diesel engine at low temperature.