Advanced Materials Research Vols. 450-451

Abstract: The paper takes a case for the mountainous watershed towns in the upper reaches of Yangtze River and the traditional landscape space model for the breakthrough point. The author analyzes its natural element, ecological elements, and aesthetic elements, furthermore, has explorative thinking on the continuation and development of the Three Gorges project water storage and fell away to the landscape pattern of traditional space.

Abstract: The Former German Governor’s Residence in Qingdao was by far the most spectacular building in residential architectures on the German Colonial period. This article studied architectural art of the Former German Governor’s Residence from architectural plan layout, building facades decorating, building structures and materials, and made these three respects compare with the Chinese traditional residential architecture. The architectural plan layout was in common about separate house on the German Colonial period, it inherited the German romantic style of the traditional residential buildings since the 16th century; its facades kept different and changeful; but primary and secondary clear, gorgeous, lively and dignified. The architectural structure was brick stone and wood hybrid construction. In this eclectic style of the building could be seen Germany was one of the birthplaces of the Modern Movement, and it had begun to explore using modern materials and new technologies, but its architectural forms was still the old form.

Abstract: Abstract: By adding rare earth lanthanum oxide on Zunyi area failed comprehensive utilization of manganese slag test, according to a certain proportion to make rare earth ceramics, understanding the effects of rare earth elements on firing, and the influence of the temperature of the compressive, flexural performance and bibulous rate test, the rare earth elements manganese residue to explore the influence of the ceramic certain performance. Sintering temperature from 1220 °C to 1135 °C with the increased amount of rare earth, when the rare earth content is 6% the compressive strength is highest, when the rare earth content is 10% the bending strength is the highest and the bibulous rate is the lowest. It has a guiding significance on the rare earth ceramic materials development in the future, at the same time, providing valuable research material for reducing the manganese slag pile.

Abstract: The cost model for optimal design of drainpipe network was formed, according to the conception of total life cycle management,and the functional relation of drainpipe construction cost and tube diameter and burial depth was fitted, according to the quota of index of estimate,this made that it is possible to estimate total life cycle cost of drainpipe network accurately.

Abstract: Based on compression tests of closed-cell Al alloy foam measured, mchanical properties and energy absorption capability had been investigated. The compressive stress-strain curve of closed-cell Al foam consists of three distinct regions, i.e., the linear elasticity region, the plastic collapse region or brittle crushing region, and the densification region. Formula on energy absorption capability of closed-cell Al alloy foam was presented, which could provide theoretical support for its engineering application.

Abstract: In order to get the requirements of workability and basic mechanical properties of self-compacting lightweight aggregate concrete, fixed sand and gravel volume method and overall calculation method are used to mix design. Slump flow and L-box tests are used to test the workability of self-compacting lightweight aggregate concrete, the strength increasing and the final value are tested by compression tests. For contrast, a set of common concrete is selected to compare the differences of efficiency. Tests indicated that the 5 groups of self-compacting lightweight aggregate concrete can get the requirements of workability and compressive strength, and the structure efficiency can be significantly higher than normal concrete.

Abstract: Thickness uniformity of film influences the properties of deposit films greatly by using magnetron sputtering. A magnetron sputtering model is developed , film thickness distribution is got by theoretical deduction, and the data is analyzed by Matlab and Mathematica. The result shows that film thickness is the function of radius, and the uniformity is connected to time. The related experiment was conducted and corresponded with the theory.

Abstract: A lightweight aggregate with low permeability was employed in the concrete slab; and the strength of the slab is mainly discussed. The purpose of present study is to evaluate experimentally the punching shear strength of lightweight concrete slab, and to propose the punching shear strength equation for the slab with lightweight aggregate concrete. The applicability of the proposed equation to the both reinforced concrete and pre-stressed concrete slabs with lightweight aggregate concrete.

Abstract: There is large-area saline sludge which should be stabilized in China. In this experiment, cementitious component (cement), alkaline component (Ca(OH)2) and expansive component (sulfuraluminate cement or gypsum) were used as compound stabilizer with different combinations to stabilize artificial saline sludge, then the unconfined compressive strength of stabilized soil samples was determined, and the hydration products of the stabilized soil were analyzed by XRD, the stabilizing mechanism and the required hydrate species of stabilized soil were preliminary explored. The results show that the unconfined compressive strength of stabilized soil increases gradually with the increase of the cement content; when partial cement replaced by right amount of CH, the strength reaches the maximum and higher than that of soil-cement; the use of sulfuraluminate cement plaster as expansive component for stabilizing saline sludge has a relatively good overall affect compared to the gypsum; possible reasons for these results were speculated at the same time.

Abstract: The traditional waterproof membrane on roof such as asphalt membrane, SBS and APP modified bitumen membrane has poor weather resistance and poor durability. So, leakage phenomenon often appears. While GT waterproof material, each property is superior, the construction is simple and efficient, which applied to waterproof of building roof has broad prospects, can thoroughly cure roof leakage problems. According to the properties, characteristics and applicability of GT material, analysis its technology points of base treatment and construction measures applied in roof waterproof.