Folded plate structure is a dimensional one which is composed of a plurality of the strip plate. It is not only a bearing but also can support, material-saving and larger stiffness of thin-walled structure. It can be used as workshops, warehouses, stations, shops, schools, dwellings, pavilions, stadiums...

This article takes the Sandwich wall slab that be connected by reinforcing bar trusses as an example, research the method and steps of calculating the carrying capacity of precast concrete Sandwich wall slab by finite element. this provide a basis for how to use the Sandwich wall slab safely in engineering.

Since the complexity of the structure of rock itself and the current test conditions is relatively simple, combined with uneven quality of test personnel, rock mass mechanics parameters are necessarily inconsistent with the actual situation. Based on grey relation analysis of parameters sensitivity of...

In view of the problem that the occurrence rate of construction safety accidents is higher, questionnaires, on-site interviews and other research methods had been applied to analyze the present situation of construction safety production management in our country. Summary up the main factors that lead...

In order to understand how traffic information influences travel route choice. State Preference survey is carried out to investigate travelers' behavior data. Mixed logit models are established to analyze the factors influencing travel route choice, one for overall object model and the other for typical...

How to select scientific and reasonable mechanical parameters of rock mass is particularly important to evaluation of slope stability. Based on the collection of engineering geological data about a mine, and through detailed survey and analysis of the engineering geological conditions in the field, the...

The electrochemical response of new alloy corrosion-resistant steel Cr10Mo1 passivated under attack of carbonation (pH from 13.3 to 9.0), was evaluated by electrochemical techniques (linear polarization resistance, and electrochemical impedance spectroscopy). X-ray photoelectron spectroscopy (XPS) was...

Through the study of tests,the'Technical Specification For Detecting Strength Of Concrete By Ultrasonic-rebound Combined Method' CECS02: 2005 of applicability situation in Hengyang was analysed to establish the ultrasonic rebound strength curve of this region,which was based on the least square method...

In order to improve the research level of the intelligent traffic surveillance system, this paper presents a new hierarchical trajectory clustering algorithm in view of the features of trajectories in entrances and exits of freeway. The validity of trajectories is judged by means of the length of trajectories...

Splitting cracks were found in the three-directional pre-stressed aqueduct of a large scale diversion project in north China. Based on internal structural characteristics of the vertical wall of aqueduct, the Impact Imaging Method (IIM) was adopted for the detections of cracks distribution, seriousness...

Through the course of the economic cycle and the development of urban real estate industry analysis process, economic development, in-depth study of the real estate cycle fluctuations and macroeconomic volatility relationship, trying to figure out the development of the real estate cycle and links between...

Method of network plan in project construction has been widely used, it complies with the requirements of the engineering construction management, organization and management is especially suitable for the construction of the project. At present our country network plan technology in engineering project...

With the development of marine transport, ship timely maintenance and repair of performance as one of the main factors affecting the efficiency of transport. Ship lift platform of steel structure provides appropriate maintenance and docking capability for marine areas, while steel platform has many advantages:...

Numerical manifold method (NMM) is very suitable for modeling the transition from continuum to discontinuum by virtue of its advanced finite cover technique. Compared with the 0-order NMM, higher-order displacement functions are more suitable for modelling the crack problems as the result that the latter...

The phosphorous slag-based cementitious material (PSBCM) with rapid hardening and high early strength was obtained by incorporation of graphite tailing powder, Portland cement, silica fume and mineral material A. The microstructure of hardened paste was investigated by Scanning Electron Microscope. Based...

The strength and ductility of concrete will dominate structural performance under expected rare earthquake, and concrete filled steel tube is an effective solution for this goal in super high-riseÿbuildings. As reliable numerical simulation of these kinds of structures may depend on reasonable constitutive...

Constraints are used widely for linear structural analysis in professional software, but some ofthem may be neglected in nonlinear analysis while using general FEA software. Two kinds of constraints, include panel zone at beam end and top alignment of beam and slab, are analyzed by numerical method....

This article studies the problem of vehicle emergency evacuation in urban large-scale activities. Genetic algorithm and ant colony genetic algorithm are applied to the vehicle emergency evacuation separately. Finally, we choose the Shenyang Olympic Sports Center as an example, and the simulation results...

The analytic characteristics of invariant manifolds for quasi-homogeneous autonomous system are obtained Yu [1]. On the basis of this,this paper give the unify thoughts of several classical special solutions can be achieved by using the proposal method in the conventional heavy rigid system. In addition,...

An algorithm especially for analyzing complex slabs of buildings in finite element method is proposed in this paper, which can improve the stress precision and obtain accurate and reliable analysis results. First, a general thin-thick plate element with the quadrilateral area coordinate is employed,...

Combined with design and test data of a low head sluice, CFD software and RNGturbulence model were used to simulate three-dimensional flow of sluices stilling basin. The original design has been optimized by adjusting the layout of the stilling basin. In connection with typical operating conditions,...

The object of this paper analyzes the reliability level of pre-stressed concrete continuous girder bridges designed with the Chinese codes including the code for design of highway reinforced concrete and pre-stressed concrete bridges and culverts of AASHTO LRFD-2012 and JTG D60-2015 using cantilever...

Firstly, the metro passenger satisfaction evaluation index system was established based on the real process of a single passenger, such as arriving, security checking, buying tickets and transiting. Secondly, the passenger travel satisfaction evaluation questionnaire was designed to conduct investigations...

The overflowing property of the restricted orifice how to affect volute pressure and the surge level under the condition of large fluctuation and the output swing of the unit under the condition of the hydraulic disturbance were studied. Combining with the engineering features of three adits sharing...

IDA need elastic and plastic analysis of the structure with a large number of different intensity ground motion inputs and had some disadvantages such as high cost of computation, retraction and non-monotonicity of its curve. An improved method of static elastic-plastic analysis with the consideration...

The major seed storage protein 11S globulin from Juglans mandshurica Maxim. (JSG) was isolated and purified to identify its structure and analyze its physicochemical properties. JSG was found to be composed of two distinct major polypeptides with molecular masses of 23 and 20 kDa, and whose amino acid...

This article researches the measures of thick silt foundation reinforcement and slope stability through the anti-sliding stability analysis. It can be concluded that the reinforcement effects of vibro-replacement stone column is remarkable on thick silt foundation based on reasonable pile spacing and...

Digital campus is an important part of the University's information.More and more students have mobile phones, so mobile phones have become an important part of the students.Mobile applications to help people to do some things and make lives become more convenient.In this paper, we design a new comprehensive...

Five indexes have been selected to figure characteristics of subgrade: damage condition, structural characteristics, such as height, slope ratio, etc., aftershock strength, features of terrain and physiognomy, rainfall intensity. Fuzzy AHP Comprehensive Evaluation Method, FACEM, has been introduced to...

Based on the data from field experiments, the phosphorus content and phosphorus accumulation of rice plants were analyzed, and phosphorus distributions in different parts of rice were studied as well. The results showed that compared with farmers' fertilization practice (FFP), site-specific nutrient...

With the rapid development of ultra-high voltage power grid, plenty of transmission towers are built on soft soil area and the foundation of tower should be designed for economical and security reasons. The mechanism and application of the new micropiles foundation are discussed, which have many advantages...

Panel zone strength in welded moment-resisting-frame connections have a significant effect on the stress and strain distribution in the connection and consequently on connection performance. It is generally believed that panel zone yielding is a yield mechanism that contributes to ductility of moment...

The finite element model of a prestressed concrete box-girder bridge was established,then the numerical simulation were carried out under the conditions of vertical temperature gradient. The effect of vertical temperature gradient is the important reason for the concrete cracks of box girder, and the...

Stress IntensIty factor can reflects the stabIlIty of cracks. It Is Important to study accurate calculatIon method of stress IntensIty factor. In thIs study, the fInIte element method wIth modelIng usIng ordInary element and sIngular element Is applIed to calculate stress IntensIty factor. It Is shown...

At present, China's nuclear power projects are mainly concentrated on the coast. The nationwide built nuclear power projects are mainly located in the three coastal provinces including Guangdong, Zhejiang and Jiangsu. The nuclear power projects under construction are also centered in the coastal 7 provinces...

In this paper, expansive soil is mixed with CKD in different proportions, and fast shear tests were conducted on the specimens with an certain initial water content and dry density; Furthermore, fast shear tests were also conducted for specimens with 10% CKD content ratio, when specimens were maintained...

Planning and management of POPS by New York City government has experienced a process from being extensive and loose to meticulous and strict, which possesses 60 years of experience hitherto. This paper reviews the historical evolution of POPS in New York City, and analyzes the impact of Zoning system...

In order to improve the safety of long-span curve continuous rigid frame bridge with high piers, the Wu Jiawan bridge is taken as an example, the finite element model of the full-scale bridge is established by using Midas/civil, the construction process is simulated by calculation. The stability of the...

The method of multi-objective optimization is used to research optimal allocation model of water resources in urban area of Tai'an City. The supply and demand situation of water resources is analyzed. The optimal allocation scheme is given, which includes basic and recommended scheme of the planning...

According to the demand characteristics of urban common distribution pattern development, combined with China's current logistics management system and the development environment, this paper puts forward a new objectives, selection of the policy tools and policy to government in promoting the rapid...

In order to precisely analyze the mechanical performance of chemical anchorage, a new method using cohesive zone model to simulate the bond layer between reinforcement and concrete interface has been put forward. The three-dimensional model of ABAQUS constructed was based on chemical anchorage. In this...

For oblique arch, curved beam, space oblique composite system of suspension bridge, whose force transmission path and spatial stress is complex, robustness characteristics is strong, and no engineering experience can be used for reference. In order to analyse wind resistant performance of the Tongtai...

This paper firstly summarized layering summation method which have been widely applied in calculating settlement of ground surface induced by dewatering in foundation pit, and then analysis the problem the method exist and put forward a new formula that embankment with pore through rate, which based...

he tradition of architecture design is a complete set of expression symbol formed within a specific region, with the edification of the region's unique culture and after a long time of precipitation

In this paper, salinity characteristics in North Branch of Yangtze Estuary is studied based on Fractal Theory by analyzing the observed saline data. The inner rules of salt water and fresh water mixing system can be expressed by fractal characteristic values (fractal dimension D and fractal proportionality...

Circulating water intake-drainage project is an important part in Power Station. The difference of circulating water quantity and intake-drainage method has various impacts on the circulating water intake-drainage project. Flow field variation of different water drainage projects (drainage by and open...

Near-field strong ground is the main factor that causes serious damage when large earthquake occurred. It is very important to put the predicted ground motion into disaster prevention and aseismatic design. We use empirical green function method to simulate the Kumamoto MJMA7.3 earthquake, in Kyushu,...

When a disaster occurs, it is very difficult for people inside a large building to evacuate safely. We propose a framework of Intelligent Evacuation Guidance System for Large Building (IEGSLB). IEGSLB proposes a new method for the set of evacuation indicators, and fire detection and video surveillance...

Jacket offshore platform structure are the big space structures usually used in field of offshore oil engineering. Local damage of platform may occur in the action of emergency, and will result in the whole failure of platform under extreme loads. So it is necessary to analyze the failure mode and damage...

Saline soil water-salt movement results to subgrade diseases like collapsibility, salt expansion and secondary salinization in coastal areas with saline shallow water table. Column tests were carried out to study the regularity of coastal saline soil water-salt movement. Results show that coastal saline...

In order to consolidate the achievements of hydraulic engineering system reform and rehabilitation of defected reservoir, and to further promote the development of dam safety management, annual report about reservoir dam safety is proposed. This paper analyzes the function and significance of annual...

Compares two 1/4 car models, two 1/4 model (changes the spring stiffness) and 1/2 car models three vehicles at the same speed in the displacement effect. Comparison: when the vehicle speed is less than 130km/h, and displacement response curves in the three models are calculated when a highway bridge...

Under-deck cable-stayed bridges have recently emerged as one of promising bridge forms due to their remarkable advantages such as high structural efficiency, easy construction, economy and elegant appearance. The stayed cables provide supports on the prestressed concrete deck. The cables are located...

In order to study the influence of basin on seismic responses of near-fault structure cluster due to the rupture of thrust fault, an integrated simulation method is used and two different models of earth media without basin and with basin are established. The seismic responses of near-fault structure...

The simply supported steel plate-concrete composite girder bridge is widely used in bridge construction. Based on the economical height of girders formulas introduced in this paper, the structure parameters, including the height, stiffness of girders, the minimum compressive flange area, the ratio of...

With consideration of operating speed, road conditions, economic benefits, and forecast passenger volume, an optimization method was proposed to determine the optimal length of modern tram line. Based on the principles of net-operation separation, theoptimal operating length of tram is determined according...

Deng Qisheng, majoring in architectural history and theory, is a venerable professor of South China University of Technology. Professor Deng has been long engaged in the study of Chinese ancient architecture, whose academic directions cover many aspects of Chinese architecture history studies, such as...

The soil water characteristic curve is a important parameter that expresses the unsaturated characteristic of water holding and moisture migration. With filter paper method, the matric suctions of soil samples in six water contents and three dry densities are measured, and the soil water characteristic...

For achieving the aim of long-term success in executing the "Going-out" strategy, it is essential for Chinese international contractors to manage marketing development risks accurately, effectively and lastingly. A management mechanism and detailed procedure for marketing development risks was developed...

The acceleration of urbanization and climate change have caused a significant change on urban runoff mechanism. Urban flood control and drainage system become very important. Drainage pipe network has significantly affections on urban water hydrology characters. We used two methods to divide subcatchments...

In order to solve such problems as environmental pollution, motor vehicle growth cities in our country has made a priority to the development of green public bicycle transportation strategy;First elaborates on the development of public bicycle industry in our country, and combining the land use status...

Dam safety surveillance model in Switzerland is a classic example of good combination of tra-ditional way and modern concept. There is no dam failure in history of Switzerland. Swiss dam safety surveillance mode is highly praised by International Commission on Large Dams and is of enlightening and reference...

ThIs artIcle InvestIgates the load-type crack formatIon mechanIsm of semI-rIgId based asphalt pavement. The XYJ-2 concrete straIn sensors are used to detect the straIn fIeld created by standard loads actIng on the pavement structure. The ultImate bendIng tensIle straIns of the materIals are tested through...

This paper mainly introduces the development, general features of the management and technical system of architectural heritage documentation in the UK. With the analysis of the current situation of architectural heritage documentation in China, it is believed that the recording system of UK can serve...

The organization and utilization of information resources are emphasis and difficulty for urban and rural planning management. In addition to traditional text data, there are massive and multi-source heterogeneous spatial data. It is necessary to build an integrated platform to manage these data. In...

Reinforced concrete simply-supported grillage girder bridges are of multiple possible failure modes considering torsion and shear interactions. Equilibrium plasticity truss model was adopted to search for the first cross-section failure mode of the bridge structure. The component resistances were calculated...

Under the background of the city's rapid economic development in our country, more and more people gathered in the city. At the same time, High quality of urban public spaces for people's outdoor life are eroded by the all kinds of buildings and expanding road .The number of urban public space are relatively...

Railway safety is an important issue of transportation system. In this paper, a network model is proposed for the risk analysis of railway system combined with the Fast Newman community detection algorithm. In the network model, nodes represent accident causation factors and links are generated if the...

In order to study the stress and deformation characteristics of concrete cutoff wall in deep overburden foundation and the influence of seepage-stress coupling on the cutoff wall, combined with a practical project, using Abaqus finite element calculation software, the whole three-dimensional finite element...

Siltation in the rivers downstream of floodgates is serious in China, making the discharge capacity of rivers decrease obviously and threatening the flood control in upper rivers. Tidal wave deformation is the dynamic characteristic of downstream floodgates, sediment from the sea is the main source of...

In order to avoid the negative impact of field flat blasting on the surrounding buildings and foundation pit, using deep-hole rupture control scheme. Design of blast hole orifice spacing is 3.0 m, row spacing is 2.5 m; diameter of hole is 90 mm, hole depth between 11 m to 12.6 m; adopt rock emulsion...

According to the theory of detonation and stress wave, initial shock pressure in wall of air-decoupled charge was deduced in theoretical and blasting stress field of air-decoupled charge in rock was established. Influence of decoupled coefficient to blasting stress field was analyses combined with test...

A fully dispersive fifth order nonlinear wave propagation model for mild current, water level and depth was established theoretically considering energy and topography factors. It satisfied both the frequency dispersion and nonlinearity. By omitting the 5th order terms, the lower order model was in consistency...

Strain energy of dam body and its sensitivity to the deformation modulus of foundation are taken as objective functions, robust feasibility constraint of stress is proposed with the consideration of uncertain deformation modulus of foundation, and a robust optimization model is established for shape...

River runoff is highly nonlinear as affected by the combination of climate, underlying surface condition, etc. Prediction of runoff may guide engineering design, construction and operation. Statistical Learning Theory (SLT) studies the rules of machine learning with finite samples. Support Vector Machine...

The model parameters of Soil-Water Characteristic Curve and the hydraulic conductivity may be obtained by the method of the back analysis according to the permeability test data. In order to raise the efficiency of the back analysis calculation, it is necessary to study the influence of the parameters...

Geological disasters are always induced by excavating in extra-long tunnel engineering. In order to ensure safety in construction process, the ground penetrating radar (GPR) has been used to measure adverse geological conditions in front of the tunnel excavating face. Application experience of GPR in...

Freeze-thaw damage and sulfate attack are two important factors that affect the durability of panel concrete. The damage of panel concrete with w/c ratio of 0.45, 0.42, 0.38 under the single freeze-thaw cycles, single sulfate attack and the alternation test in solutions of 5.0% Na2SO4 is studied, and...

This paper presents the numerical solution of a fully dispersive fifth order nonlinear wave propagation model. The new equations are directly applicable to the wave propagation from deep water to shallow water and solved numerically with a finite difference method. A moving grid in spatial difference...

A comprehensive analysis framework of the study of green building incremental cost will be given in this paper, from the perspective of the whole life cycle,we will discuss the concept and characteristics of incremental cost,providing it with overall process,whole stage and a full range of recognition...

The operation of cascade hydropower stations in dry season is an important problem. In dry season, there are two primary objectives: maximize cascade minimum output and maximize total power generation. Minimum output reflects the stability, security and reliability of hydropower. Power generation reflects...

Establishment of safety risk warning system of highway construction project can prevent accident effectively. Four warning situations have been ascertained, such as low safety capacity of highway construction project, reduction of safety capacity of highway construction project, existence of major safety...

Recently, large-span cable structures are widely applied in the stadium, exhibition center, airport terminal and other public buildings. At the same time, there are some risks caused by the accidental loading in the application period, such as terrorist attacks, the car collisions, falling objects and...

More and more people are concerned about flood control and disaster mitigation. Beiyun River, as one of five river systems in Beijing, its flood control capacity play a critical role in urban flood control and disaster mitigation. Hence, the research on the relationship between the Beiyun River's rainfall...

This paper focuses on the problem of computing container routes in an intermodal transportation network which is considered as a multimodal multicommodity network flow problem (MMNFP). According to the characteristics of sea-rail intermodal networks in China, a container routing model is proposed taking...

Reed is common plant in wetland and its ecological function in wetland and strong pollutant degradation ability has been paid more and more attention. So far, reed cultivation has become an important part of ecological restoration in wetland. Substantial studies have been made concerning influence factors...

This paper develops an indicator system consisting of three criterion layers and 13 specific indicators. This indicator system can be used for water resources utilizability evaluation during subway construction in water-rich weakly consolidated formation. The weight of each index is determined by using...

A large number of research results show that the accuracy of the material model largely determines the accuracy of the numerical simulation results. In this paper, the model of Kiewitt8 single-layer reticulated dome with a span of 40m is established by ANSYS/LS-DYNA. The difference between the model...

Vegetation is the core protection object in nature reserve and establishing index sytem of the growth status of vegetation and analyzing the influencing factors are the basis of vegetation protection in nature reserve. Based on DPSIR model and the principles of science, comprehensiveness, difference,...

To study the effect of the projectile shape's influence in rotary penetration depth(RDP) of concrete target, LS-DYNA was used to simulate the process of the projectile rotary penetrating in the target under different projectile shape and different velocities. Simulation results prove that drilling-head...

With the increasing height of buildings, the frame-central core tube-outrigger structure system is widely used in super-tall buildings. At the same time, it becomes more and more popular to employ multi-outriggers in taller and super high-rise buildings. However, because of the fact that the vibration...

Tuned liquid dampers (TLD) have been widely applied in the area of vibration control for the advantages of economy, easy implementation and multifunction. However, the traditional TLD needs to be improved because of its narrow control frequency ranges and unsatisfactory capability. Based on a traditional...

Tulou, the earthen building, is the world cultural heritage. It is famous for its various shapes and structures. However, opinions are different about its concept and classification. Tulou in Najing of Fujian Province will be divided into three types in the thesis, that is, round, square and deviant...

The swelling characteristics of a mixture of waste EPS particles and expansive soil are influenced significantly by initial water content. In order to search out the influential regularities under different initial water content, the tests of swelling ratio without pressure, swelling ratio under pressure...

Slipping of active faults, under some conditions, generates surface rupture which can damage the structures in the rupturing zones. One of the key core is a basic characteristic of surface rupture are systematically summarized and analyzed, especially the statistical analysis of surface rupture width,...

A decision model for construction enterprises is proposed in view of lack of data and uncertainty of quantitative relation existing in bidding decision. The ratio of bidding price of an opponent to the cost estimation of decision maker is regarded as random variable, and historical data of the ratio...

Space plate-beam mixed unit model is established. Mechanical characteristics of a stiffening suspension cable reinforced steel truss bridge is analyzed preliminarily. The mechanical principles of the bridge type are discussed through studying the influence of stiffening suspension cable vector height,...

Based on spatial elasticity theory, the fundamental beam assumptions are introduced into the 20-node spatial isoparametric finite element that constructing the degenerated solid beam element in order to overcome the simulation limitations of the beam element on its cross-section scale. According to the...