Proceedings of the 2018 7th International Conference on Energy and Environmental Protection (ICEEP 2018)

In this paper, the implicit finite difference method is developed for the fractional wave equation with Dirichlet and fractional boundary conditions. The consistency and stability of the method are strictly provedbytheGerschgorintheoremandmathematicalinduction. Numericalexamplesshowtheaccuracy and efficiency...

Considering the conditions of the environment for the growth of fungi, we designed the intelligent fungi training monitoring system based on ZigBee wireless communication, put forward the design idea and principle circuit for the control factors, and gave the general design plan. With ARM micro controller...

In this paper, the new use of new materials for conservation landscape, especially wood plastic composites, is used as a starting point. The principles and strategies for the application of new materials in contemporary urban landscape are analyzed, and the artistic modeling design and example of plastic...

The fast sealing technology of mine roadway is an effective method to isolate spontaneous combustion zone, poisonous and noxious gas source or gas accumulation area by establishing effective sealed wall quickly. Aiming at the problems of poor sealing effect, cumbersome operation, difficult construction...

Based on the full monitoring of mine ventilation system by a safety surveillance control system, the feedback control is applied to design a hierarchical control model. It mean that the total mine air volume is controlled by a main fan power supply module converter, the roadway area is controlled by...

This research uses only surface control points to parameterize the 3D geometry of a muscle body. Extension from surface to interior is achieved using a harmonic interpolation in cross section and in the lateral direction using NURBS. This representation preserves geometric smoothness, and allow muscle...

Based on the three-dimensional phase field model, the competitive growth of columnar crystals under the conditions of different anisotropies and different subcooling degrees in the directional solidification process was simulated with the Al-2%mole-Cu two element alloy as an example. The influence of...

Different volume ratios of Al2O3 powder and copper powder are mixed, and a copper-based composite coating is prepared on a pure copper matrix by low-pressure cold spraying technology.The hardness and bond strength of the coating were tested, and the cross-section of the coating was observed and analyzed...

Mathematical model of potato slices under process-based temperature and humidity integration control of tilted tray air impingement drying were investigated under different parameters. Results indicated that the Weibull distribution function simulated the drying curves of potato slices under PDTHIC drying...

Microwave intermittent drying kinetics of banana slices were investigated under different power levels (250, 400, 550 and 700W), sample thickness (3, 6, 9 and 12mm), heating time (11, 14, 17 and 20s) and intermittent time (50, 60, 70 and 80s) during each cycle. Results indicated that all the four factors...

The industry-university-research collaboration is the driving force for the innovative city construction. The innovative city construction can promote the development of the industry-university-research collaboration. This article empirically studies the interaction between industry-university-research...

This paper models and analyzes the photovoltaic power generation and wind power generation in the wind-solar hybrid generation system. A neural network inner membrane controller based on wind-solar hybrid power generation system is designed. The closed-loop control system is used to make the output power...

To discuss about choosing the parameters of bearing capacity with over-size transport passing the bridge, this study analyzes the characteristics of designing load of heavy transportation which are different from the general cars; according to the characteristics of accidental load of heavy-cargo transportation,...

In this paper, the age factor of chloride diffusion coefficient of concrete is considered, as well as the randomness of the chloride diffusion coefficient, concrete cover depth, surface concentration, threshold concentration and age factor. Based on the First Order Reliability Method, a time-dependent...

In order to study the optimal ratio of compound suitable for crop growth ,analyzed physical and chemical Characters and crop yield of compounded soil with feldspathic sandstone and Sand (proportion: 1:1, 1:2, 1:5) by plot test. The results showed that as the content of feldspathic sandstone decrease,...

According to salt expansion and strength parameter index c and φ of sulphate salty soil, we assume that three-layer soil body of salty soil is destroyed. Assuming the network slippage diagram and using rigid-plasticity balance theorem, the calculation method of bearing capacity in salty soil area is...

Safety standards of construction companies could be improved by continuous monitoring and assessing their safety performance. Despite various methods of Safety Performance Evaluation (SPE) have been proposed, bias or errors can be made by neglecting the inter-relationships among internal variables in...

Safety risks are complicated in the metro construction, so the identification and control of the risk factors as well as the mitigation of coupling effect of risk events are the important ways to improve the safety performance of the deep foundation pit construction project. The purpose of this paper...

With the building size, shape, function more and more complex, building systems have become more complex, often to a variety of complex piping systems are arranged in a limited space, and also to meet the appropriate space requirements. In order to achieve an intuitive understanding of the key parts...

As the size, shape and function of construction projects are becoming complex, building system designs are more challenging. The traditional building system design pattern has been unable to meet the current requirement of the overall design of the building. For designers by conventional two-dimensional...

A workshop located in Tianjin suburb is selected using computer numerical simulation technique to study the indoor daylighting. The original daylighting design and optimized design are simulated and the leading indicators of natural light are compared and analyzed. Research results show that compared...

In this paper, the numerical simulation method is used to optimize the lighting simulation and energy-saving evaluation of a subway station in Tianjin. The simulation results show that after the optimization of the lighting design, the mean value of Illumination on the spring and autumn equinoxes of...

In this paper, the daylight of an underground transportation hub in Tianjin is studied by using the method of numerical simulation. It can be seen from the numerical simulation results that the average illumination in the waiting halls is 3 620.64, 4 497.60 and 2 178.97 lx in the vernal equinox and autumn...

In this paper, we have presented a new hybrid conjugate gradient algorithm for solving unconstrained optimization problems. The parameter is a convex combination of the PRP and FR conjugate gradient methods. Under general wolfe line search conditions, we proved the global convergence of the algorithm....

Nowadays, more and more waste construction waste is abandoned in China, which makes the problem of environmental protection especially prominent. The reuse of waste concrete not only helps to solve the problem of landfill, but also contributes to sustainable development of resources. However, due to...

Sprayable gypsum-based mortar was prepared by using desulphurized gypsum as cementitious material. Through the test, this study analyzed the influences of lightweight aggregate, water retention agent and thixotropic agent on compression strength, tensile bond strength, water retention rate and constructability...

Based on the monitoring data in the automatic ambient air monitoring station of Quancheng Square in Jinan from 0 o’clock of 11/06/2016 to 0 o’clock of 15/06/2016 as the typical pollution process, spatial distribution, related weather condition, ozone precursors, and regional transportation of ozone were...

Scaffolding erection is an indispensable process in high-rise building construction, which directly affects the safety of building construction.The traditional cable-stayed cantilevered scaffold erected with cantilevered beam faces the problem that the prefabricated part of the building can not be anchored.It...

The distribution and composition of the 17 organochlorine pesticides (OCPs) in selected samples were investigated with the gas chromatography coupled with Agilent triple quadrupole mass spectrometer (GC–MS). Only DDT has the highest detection rate of 100% within one year period. The total residual concentrations...

At present, the measurement of vehicle road load, in other word running resistance, are mostly coast down methods. Due to the influence of wind, the method has the problems of poor repeatability and accuracy. This paper, according the current domestic and foreign automobile road load measurement regulations...

Volatile Organic Compounds (VOCs) is one of the important atmospheric pollutants. It is important to develop materials and technologies for VOCs treatment. Adsorption is recognized as a relatively excellent VOCs control technology. Montmorillonite is selected as a base material for the preparation of...

The bellows is a flexible force structure. When a parameter of corrugated pipe is changed, the force and deformation of the pipe are changed. With double hole Steel corrugated pipes as the background, this paper adopted finite element analysis software ANSYS to make numerical simulation of the study....

With double hole Steel corrugated pipe as the background, this paper adopted finite element analysis software ANSYS to make numerical simulation of the interaction between the pipe and the soil. At the same time, the field experiment was carried out. Comparing the results of numerical simulation with...

To enhance the durability of semi-rigid base asphalt pavement, it is suggested that the asphalt treated base (ATB) layer should have certain drainage capacity to eliminate the water inside the pavement, and the crack resistance of ATB mixture should be improved to prevent and/or delay the generation...

Stirrups corrosion lead to degradation of ductility of concrete columns, the damage would transform from ductility to fragility, even to sudden destruction. In order to avoid concrete structure clasping because of the impact of earthquake and shocking, the mechanical property research of concrete columns...

In order to research on the transport of chloride ions in prestressed box girders under coupling action of salt fog and fatigue loading, the volumetric strain and porosity as the intermediate variables, coupled processes was established based on the fatigue damage criterion. And compared with the related...

To use BIM technology in the whole life cycle of railway structures, this paper builds all parts family models of frame bridge by Autodesk Revit including body and foundation of frame bridge, wing wall and its foundation, leak bed and appurtenant works on the top of bridge. Building track model by using...

The purpose of bridge construction monitoring and control is to ensure control indicators within allowable range by measuring and correcting, and to ensure the safety and quality of the bridge during the construction stage. Based on a prestressed concrete composite box-girder with corrugated steel webs,...

Being a driver in the control cabin of a shield tunneling machine is a high-pressure career. The mood swings of a driver are vital to his occupational health and construction safety; however, a driver’s emotional intensity in a noisy environment have not been considered. This study aims to investigate...

The employment of similitude theory to establish similarity among structural-acoustic systems can save considerable expense and time, if the proper scaling laws are found and validated. In this study necessary similarity conditions or scaling laws for dynamic analysis of stiffened cylindrical shell are...

A novel nonlinear system identification method based on the Multi-dimensional Taylor Network is proposed in this paper. It provides a new method to identify the nonlinear system, which can describe the dynamic characteristics without prior knowledge and can realize the prediction of the nonlinear time...

Digital Surface Model (DSM) can fully exhibit the undulate features of terrain and landmark, which has obvious advantages in buildings extraction rapidly. The experiments about oblique photography measurements during the M6.5 Ludian Earthquake occurred in Longquan village Longtoushan town on August 3,...

To study the bearing characteristics of PHC pile composite foundation, base on the analysis of soft soil characteristics, according to the design parameter, the static loading test are used to test and an-alyze the bearing capacity of the composite foundation. The results show that it is feasible that...

The Algeria North-South Expressway from Chiffa to Berrouaghia is located in Blida province and Medea province in northern Algeria, with the route along the Chiffa river valley, through the national park in Algeria, large tracts of vineyards and other agricultural land in Medea privince, and bypassing...

The Algeria North-South Expressway from Chiffa to Berrouaghia is located in Blida province and Médéa province in northern Algeria. It is the starting section of Algeria North-South Expressway in the Algeria national arterial highway networks composed of two latitudinal and one longitudinal highway. As...

Based on the 57 prefecture-level cities and three municipality (Beijing, Tianjin and Shanghai) in the Beijing-Shanghai high-speed rail economic zone over 2006–2016. We establish traditional the ordinary panel model and the spatial lag fixed model, in order to investigate the spatial spillover effect...

According to adaptability of the freight supply and demand structure in urban agglomeration, this paper studies the mechanism of freight transportation’s supply and demand in urban agglomeration, putting forward and demonstrating the adaptability theory of freight structure in urban agglomeration. Firstly,...

Blueberry was one of the five healthiest fruits in the world. We observed the phenophase in six blueberry varieties from the leaf buds germination period to the fruit maturity period. The six blueberry varieties included ‘EM’, ‘Biloxi’, ‘Pink Lemonide’, ‘O’Neal’, ‘Sweetheart’ and ‘Brigitta’, in Nanbao...

Blueberry is known as the highest anthocyanin fruit in the world. Blueberry matures between June and August, which is the hottest and wettest time, fruit quality tends to drop. In this experiment, the changes of Delphinidin-3-O-glucoside (Del-glc) and Malvidin-3-O-glucoside (Mal-glc) in different maturity...

Blueberry seeds have low germination rates, which is difficult to germinate under natural conditions. In this experiment, the optimum treatment of blueberry seed germination was explored using different hormones, different concentrations of the same hormone and different treatment durations. The results...