Applied Mechanics and Materials Vols. 716-717

Abstract: In this paper, green design in modern society has many applications; green design has become a kind of fashion, people's consumption consciousness also gradually turned to green consumption. The real green design has not only the design itself, it was elevated to a kind of culture; promotion is a kind of spirit. For a nation, a community and all the field of culture and cultural phenomenon is of universal significance, is the nationality, is also the world, the real green design will never be out of date, it will develop with the development of the times, and always with people's life, and thus influence people's fife. The environmental protection, the "green building", beautiful and comfortable, it includes day lighting is ventilated, environmental pollution, noise insulation, sound insulation, traffic, beautify, etc. This is all indoor stylist people bring sensuous pleasure. The relationship between human beings and the environment is very harmonious with the environment; make the person, and style, forms, a full expression to care, An environmental atmosphere, A complete and free of personal space.

Abstract: VOF model and turbulent model were used in this paper to study on flow characteristic inside a certain spillway tunnel of hydropower station, which includes cross sectional distributions of flow velocity in pressure section and non-pressure section. The results show that flow velocity distribution in the pressure section of the spillway tunnel is basically symmetrical. After turning, flow velocity is well-distributed and move ahead; flow velocity in the right side of non-pressure section in the spillway tunnel is 1m/s faster than that in the left side. When two high-speed water flow come together after passing through the central division pier, flow velocity distributions in the both sides of the spillway tunnel are all uniform. The conclusions obtained can improve the design of the spillway tunnel.

Abstract: Progressive collapse is defined as the collapse of the whole building due to local weak stories or weak zones. In this paper, collapse should theoretically be avoided for any building under any earthquake, it is necessary to study the collapse behavior of buildings to acquire a better understanding of the collapse mechanism and to find efficient methods to prevent it. The collapse process highly depends on the feature of the whole structural system, so numerical simulation becomes a major method to study it. Based on the finite element method, by selecting the appropriate cell death and cell contact algorithm criterion can better simulate the structure collapsed in an earthquake under the continuity of the whole process of destruction, to help understand the causes and mechanism of structural damage. The real buildings are analyzed to study the failure mechanism of the structure. The models proposed are reasonable to study the seismic collapse mechanism of high-rise buildings.

Abstract: The impacts that steric effect of underground diaphragm wall on mechanical characteristics of building envelopes was considered under the interaction between the support and the wall. With the introduction of correlative coefficients C₁ and C₂, based on the theory of beams on elastic foundation, actual underground diaphragm wall design internal force and the displacement formula is proposed. Through calculate the internal force and displacement under different working conditions, verified the correctness of the formula.

Abstract: Railway station square is integrated planning designed, then we need to consider multiple relation factors in the designing. The different activities’ manners all need to make consideration. The premise of design is smooth square crowd scattered, safe traffic and comfort square environment. And as one part of urban spatial environment, the square should be designed as the image of city gateway. This paper makes exploration of railway square design from every aspect.

Abstract: The influence law of permeability of chloride ion in concrete of load level, curing condition under the sustained pressure load and the corrosion environment interaction is researched in this article, which is through natural diffusion method. Experimental results show that as the load level increases, there is a tendency of the chloride ion content after the first increase and then decrease, the turning point in the middle remains to be further studied. Good conservation condition reduces large holes and harmful holes in concrete block, thereby reduce the porosity and improve resistance to chloride ion erosion.

Abstract: Low-carbon environment and energy saving have gradually into the enterprise development idea. In the construction industry, civil engineering construction of energy conservation and environmental protection has reached a certain level after a period of development. It is of great significance to build energy conservation measures in civil engineering for improving environmental quality and save energy consumption. This article analyzes measures from the civil engineering overview and application status of building energy saving measures, the importance of building energy saving measures in combination with civil engineering. The measures are important for our country to make a certain contribution to saving energy consumption and realize the sustainable development.

Abstract: In this paper, we used VOF combining turbulent model to simulate pressure distribution of pressure section and non-pressure section in a hydropower station spillway tunnel with high head and large discharge in China. The results show that in the pressure section of the spillway tunnel, the values of pressure of emergency gate slot, working gate and the pressing slope, getting from physical model experiment and numerical simulation, are all positive. While in the non-pressure section, the No.1、2、3 aerators of the sudden enlargement and sudden drop occur the maximum pressure. And at the back of the No.1、2、3 aerators, where the values of pressure are negative, forms cavity. The conclusions obtained can improve the design of spillway tunnel.

Abstract: With the rapid advance of industrialization,the consumption of mineral resources is increasing.For open pit mine,many of them went into deep mining.The current,widespread adoption of open pit slope angle makes deep concave mining has a huge stripping ratio.So many mines in trouble,on the premise of guarantee the deep sunken open pit slope stability increase slope toe can bring huge economic benefits,and a lot of research work has been done.This paper describes the factors affecting the stability of open-pit mine slope,the slope rock mass stress analysis,to calculate the lower steep slope economic benefits,puts forward reasonable suggestions the future research direction of the slope stability of open-pit mine.

Abstract: To analyze the reasonable cohesion range of slope stability factor calculated using linear sliding method, different internal friction angles (20°,30°,40°) and cohesion (≤10kPa) of 36 slopes were calculated using linear sliding method, simplified Bishop method and strength reduction finite element method. The results show that, simplified Bishop method and the strength reduction finite element method are close to the stability factors; linear sliding method when cohesion is not considered is conservative, linear sliding method when cohesion is considered is partial to risk; calculating stability factor using linear sliding method is not suitable for all sandy soil slopes, only when the cohesion values not more than 1.5 kPa, the calculation results of linear sliding method are in accordance with engineering practice.