Abstract:In order to eliminate the disadvantages of the residual deformation of the buckling-restrainedbrace after the severe earthquake,this paper contraposes a new type of brace components-self-centering buckling-restrained brace and a comparative analysis of the seismic performance ofself-centering buckling-restrained brace steel frame,buckling-restrained brace steel frame andsteel frame is done by using general finite element software ANSYS.The results show that top displacement,inter-storey drift angle,residual deformation etc.of self-centering buckling-restrainedbrace steel frame are much smaller than buckling-restrained brace steel frame and steel frame.Especially in the aspect of residual deformation,self-centering buckling-restrained braces eliminatesmain residual deformations of structure,showing expected re-centering effect.

Abstract:In our country,the wind load is researched through the wind tunnel test or CFD software toanalyze the wind pressure distribution on the buildings.In this paper,the computer numerical simulation,wind tunnel test and project analysis are joint used to get further guidance on the wind-resistantdesign of the building structure.The FEM software ANSYS 11.0 is applied to build the finite elementmodel of the house.The wind pressure value which is got through the test points in the wind tunneltest is loaded on the FEM model.The stress response in different wind direction is calculated throughANSYS.The strength of the main load-bearing structure roof truss is especially analyzed andchecked.The result shows that this method has more significance on the guidance of the structure design.

Abstract:Shear strength and unconfined compressive strength pre and after saturation of high liquidlimit soil in different water content and compactness,were studied by the direct box shear test and unconfinedcompression strength test.The results show that the decrease amplitude of cohesion of highliquid limit soil increase apparently nearby the optimum water content and plastic limit;the strength ofsoil reduces sharply on the action of water in low water content and the greater the moisture content,the smaller the strength after saturation decayed;the strength of soil can completely fit the subgradecode in the low water content and high compactness.

Abstract:The general finite element software ABAQUS was utilized to analysis and study the steelsheet piles revetment structure.Through a lot of numerical analysis and study,this article researchesthe slope soil plastic deformation and the displacement and internal force of the pile for cantilever steelsheet pile revetment structure in the case of different insertion ratio.The results show that the optimalinsertion ratio of steel sheet pile is 1.05 ～ 1.27.On this basis,this article researches bolt reinforcefor cantilever sheet pile revetment.Adding bolt can improve revetment structure’s deformation andinternal force,constraint slope soil deformation and aim to reducing the pile length.In the case offixed insertion ratio,this article researches anchor’s position and inclination affect on revetment.Through comparing slope soil plastic deformation and structure displacement,it is concluded that theoptimal anchor position is 1.5 ～ 2m from the top of pile,the influence of bolt inclination is small.

Abstract:There are very much difference between temperature and humidity of the Qire Hataer hydropowerstation diversion tunnel in different hole,which has different degrees of influence on the performanceof the sprayed concrete.Through the simulation test method,this paper simulated field indifferent temperature and humidity environment,the blocks were maintained and tested,and analysisof the influence of temperature and humidity on concrete block was analyzed from the microscopic aspectby using the methods of casting concrete and jet concrete experiment.Finally,it is concludedthat the environment of high temperature curing can improve the early strength of concrete of testblock,but also can promote the hydration reaction inside the concrete.

Abstract:In order to study the de-icing effect of granulated crumb rubber asphalt pavement,the authoranalysis the deicing evaluation index and the broken reason of ice which on the surface of road.The author puts forward broken rate which is based on the calculation method of evaluation index ofpavement damage as an evaluation index of deicing ability.Through indoor test,the author analysisthe influence of deicing ability,laid the foundation for the promotion of granulated crumb rubber asphaltpavement.

Abstract:Two-dimensional elasto-plastic finite element formulation is employed to investigate theload-carrying capacity of reinforced concrete piers wrapped by steel plates which are corroded at thepier base.By comparing with experimental results,the employed finite element analysis method isverified to be accurate and effective.After that,a series of parametric studies are carried out to investigatethe effect of corrosion rate and corrosion mode of steel plates near the base of in-service pierP2 on load-carrying capacity,concrete cracking scope,yield range of wrapped steel plates.It isconcluded that the load-carrying capacity decreases with the increase of steel plates’corrosion rate.There is an obvious linear relationship between the load-carrying capacity and the corrosion rate inthe case of even corrosion mode.The deterioration of load-carrying capacity resulted from the webplates’uneven corrosion mode is more serious than that under even corrosion mode.

Abstract:Taking the Junhao of xiangcheng county modern ecological agriculture park planning as anexample,the beautiful,green,eco natural environment is proposed by according to the "Overall,coordination,circulation and regeneration" principle;so that people are close to nature and feel relax.All above could make the agricultural landscape and leisure service support each other and be complementwith each other.The integrated agro-ecological park plans and design patterns are analyzedfrom some aspect including agriculture,recreation,ecology,tourism.

Abstract:The effects of macroporous and strong alkaline anion exchange resin D201 modified with Fe(Ⅲ) on the adsorptive capacity for As(Ⅲ) in waste water under different experimental conditions.The results show that dynamic adsorption capacity was 1120mg-1092mg/L.And the static adsorptioncapacity was 43 mg/L.The optimum range of pH was 7 ～ 8 for D201-Fe adsorbing As(Ⅲ).The adsorptioncapacity of D201-Fe for As(Ⅲ) was still high in the presence o.And the staticadsorption capacity is 43mg/g.The regeneration extent of can reach 80% treated by the NaOH and NaCl with the concentration of 8%.

Abstract:In the study of the effects of vegetation on the pollutant transport,PVC cylindrical rods aresimulated as rigid plants and Rhodamine is adopted as tracer substance.The experiments were conductedon a rectangular flume.The result shows that the maximum of concentration of contaminants invertical direction moves to the bottom of the tank with the time goes on.Because of the plants,theflow structure change and the velocity in the plant layer decrease.So contaminants can be detained inthe areas of vegetation.Concentration gradient becomes smaller and smaller with the time goes on andthe distribution of concentration is uniform.Turbulent flow effect will be enhanced under the conditionsof vegetation,increasing the vertical diffusion of pollutants,decreasing the concentration ofdownstream contaminants.So the downstream water pollution is under control.

Abstract:For the analysis of Wolong Lake 8101 working face water inrush source and water collection,statistics of the mine groundwater samples of conventional water quality analysis data of 62groups were collected.Using a combination of models and multivariate statistical methods combiningmaltab,this paper illustrated the gushing water of 8101 Face.The results show that the water resourceof 8101 consistent with the mine 10 coal sandstone type.The primary factor of Lake Wolong ore stratumof groundwater quality is Ca²⁺，Mg²⁺，SO₄^2- which reflects Taiyuan limestone water supply beingfrom the other water resource;the second factor is the cation exchange adsorption,which embodiesthe static storage consumption of groundwater flow.The method of multivariate statistical modeland maltab is a kind of high stability and effective,which is applicable to discriminate the groundwatersource water chemistry.

Abstract:The grim situation of water supply in the western region of Handan was considered.Basedon the setting of three diversion routes and the limits of water supply coverage of each line,this paperestablished two water using programs by combining with the mathematical programming model whichminimize the amount of water shortage as the objective function in the total water supply system.Through estimation of the water resources allocation results,and the projects layout and the project investment,the second program was regarded as the best program.It includes transporting water fromJia jiazhuang reservoir to Wu’an county and transporting water from Zhang he river to Wu’an countyand Fengfeng county.The second scheme largely relieve the water shortage situation in the western regionof Handan,such as Shexian,Fengfeng,but for Wu’an city,there is still a large gap betweenwater supply and demand,the sustainable utilization of water resources in Wu＇an city can only dependenton great water-saving.

Abstract:In order to solve the problems about the optimal hydraulic section and the internal force ofthe bottom of V-shaped slope wall drainage channel,based on the theories of hydraulics and rigidbar method,the calculating methods for them have been put forward.The results show that the optimalhydraulic section has nothing to do with the depth,and it is more convenient to calculate the internalforce of the bottom of V-shaped slope wall drainage channel by rigid bar method.At last,therigid bar method has been carried out in the case of Pingchuan debris flow to calculate the internalforce of the bottom of V-shaped slope wall drainage channel.

Abstract:Based on summarizing and analysis of the main deformation destructive factors of surroundrocks of roadways in the condition of thick coal roof,the tests of coal-rock sample collection andspecific pressure in floor are conducted.The geometric and mechanical parameter of roadway’s coal-rock was obtained.Selecting the classification index of surround rock’s stability,the reasonablevalue was determined.The fuzzy comprehensive evaluation is used to evaluate the stability category ofsurround rock.According to the result of evaluation,the selection orientation of support parameterswas determined.And then the reasonable support scheme was designed.The results of industrial testfield show that the controlling effect of roadway’s surround rock is excellent.

Abstract:A conclusion and analysis report were got from this article,in which indicated that the flowrate of the micro pore tube are mostly equal,pulse number is in negative correlation relationship tograin diameter under the same volume,the larger the grain diameter in standard sample,the morewidely it distributed through doing test on polystyrene microsphere standard material occupied differentgrain diameters.Besides,in this article,all the contents and parameters were given detailed analysisfrom the following two aspects: example and theory.Therefore,this article has provided reference forCoulter Multisizer 3particle-size analyzer user and researcher.

Abstract:This paper investigates the magnetism and soldid coupling dynamic equation of the statorsystem;The main exciting force of the vibration is electromagnetic force in the stator that is calculatedusing the Maxwell tensor and the magnetic method in consideration of the radial vibration displacementswith the magnetic field in air gap coupling of the stator core;By means of the combinationmethod of beam function,the analytic expressions formula of the radial vibration displacements of statorcore is derived.The model conforms to the actual switched reluctance motor structure and operationcharacteristics.This paper provides theory basis of switched reluctance motor for structure optimizationdesign and prediction and control of electromagnetic vibration and noise.With a model of 8/6switched reluctance motor as an example,this paper verify the correctness of the analytical modelscomparing its results with the one obtained using the finite element method.

Abstract:In a distributed system,the data storage structure directly affects the storage efficiency andprocessing performance of big data.In the row store structure,the data is loaded locally and thespeed is fast,but it also loads additional columns,and it’s hard to compress.The column storestructure has high compression efficiency,but it has additional network transferring overhead.To overcometheir storages and improve the data storage structure,this paper presents a new data storagestructure combining row and column.The experiment result shows that it’s inferior a little in dataloading to the row store structure,and it has high compression efficiency comparing with the row storestructure and column store structure.It not only avoids additional disk I/O,but also cuts down theunnecessary network transfer time in column store.So,the row-column store can greatly improve bigdata storage and processing performance in distributed system.

Abstract:Based on classic power converters,a new power converter containing resonant circuits isdeveloped in this paper,which requires one controllable semiconductor switch and one power diodefor per phase.MATLAB has been used for the modeling and analysis of the new converter and comparedwith asymmetric bridge converters and miller converters.It is shown that the converter is highperformance,economical and efficient.

Abstract:Aiming at the chaotic phenomenon in the system of synchronous reluctance motor,an adaptivecontrol method is proposed in this paper on the basis of analyzing the motion characteristics.First,in some cases with certain parameters,it is verified that the system will appear complicatedchaotic motion.Then,the Lyapunov index map,bifurcation diagram and phase diagram are analyzed.Then,based on Lyapunov stability theory,an adaptive controller is proposed in the system withknown or unknown parameters,which overcomes the disadvantages of the vacancy rate’s discontinuitybetween general adaptive controller.The simulation result verifies the correctness of the theory analysisand the feasibility of this method.Meanwhile,it also provides a theoretical reference for the studyof excellent control method.

Abstract:In order to better optimize the performance of FSAE racing frame,a three-dimensionalmodel of frame was built by using Solidworks software,finite element analysis was pre-treated in HyperMesh,and then static stress analysis and modal analysis were carried out in Nastran.The framestructure was optimized and evaluated firstly in BEAM unit of finite element models,and then theframe of the three-dimensional geometry optimization model was modified,which above saved time ofreanalysis during modifying three-dimensional model of frame optimization,shortened the period ofstudy and exploration and improve the efficiency,.The results have great signification to optimize thecar frame.

Abstract:The existing ultra-high water filling A/B slurry mixture control system detections and controlsflow in order to make sure A/B slurry ratio of 1: 1 strictly.This paper proposes to increase theconcentration control.This paper combines slurry flow and concentration data in real-time detectionwith fuzzy logic inference and the process of biological immune feedback response,the fuzzy immune PID control method is applied to the ultra-high water filling control system.The simulation resultsshow,the optimized control effect is superior to the conventional PID control,it has strong adaptive abilityand robustness.

Abstract:The project’s investment risk evaluation system was built from six aspects of the naturalrisk,economic risk,political and social risk,technology risk,management risk and the bidding risk.In view of the defects and the insufficiency of common methods of risk assessment of water conservancyprojects,Grey AHP comprehensive risk evaluation model was used to evaluate.Firstly,determinationof the weights of evaluation indexes based on AHP,and then integrated assessment value was calculatedby grey theory,lastly to get the verdict.Moreover,water conservancy engineering project wasselected to verify the applicability of the model.The results show that the method can provide strongtheoretical basis for decision-making and risk management of investment risk in Water Conservancyand Hydropower Engineering project.

Abstract:Basing on the construction of bank,guarantee corporation and technology enterprises-basic government cooperation financing mode,this paper simulate futures margin system,so as to effectivelycontrol the credit risk.The core of the financing mode is the use of technology,accordingto the enterprise risk condition,this system provide the initial rate of security for enterprise;then,the guarantee rate is recalculated and adjusted in next period in order to thus the charge certain guaranteefees,All above could make sure the risk of the Guarantee Corporation in according with it’sguarantee return.

Abstract:In this paper,authors applied the uncertainty measurement theory to the high-rise constructionsafety risk assessment study.Five first class indexes and the second index of 19 are chosenaccording to the characteristics and the cause of the safety accidents in the high-rise building.Andan uncertainty measurement evaluation model based on the uncertainty measurement theory is proposedfor predicting the construction risk of the high-rise building.The weight of each index is calculatedby using the information entropy,and the risk grade is predicted in accordance with the confidenceidentify rules.A high-rise building is taken as an example,the comprehensive risk rating ofthe high-rise building is predicated successfully and its risk level is shown to be the grade Ⅲ.Therisk evaluations for the high-rise building construction not only include the risk grade of the high-rise building construction period but also reflect the dangerous sources during the high-rise buildingconstruction,which provide effective reference for the security risk evaluation of high-rise building construction.

Abstract:Based on the principle of BP neural network in and on the analysis of the characteristics ofhighway engineering,this paper identified seven engineering characteristics as the input vector of theneural network,build the highway engineering cost prediction model is based on BP neural network,combined with MATLAB neural network toolbox to design,and has the engineering as an example.Bytraining,correction,and to verify the model,it is proven that BP neural network can effectively improvethe accuracy of the prediction,has very good practical value.

Abstract:In the process of real estate investment environment evaluation,there are a lot of evaluationindex,and the evaluation process is complicated.This article use the method of principal componentanalysis in the process of evaluation indicators of the principal components,reduction of the evaluationindex,improves the efficiency of evaluation.In the process of empowerment of evaluation index,principal component analysis of variance method can＇t make the weight value to the contribution rate ofempowerment.In order to ensure unity weighting information,the information entropy principle is giventhe weights of objectivity and reasonable assurance indicators.Finally,a case with indicators improvedand the index weight of scheme determined was implicated for comprehensive evaluation.Theresults verify its rationality.

Abstract:According to fine blasting the idea including quantitative design and construction,real-time monitoring and scientific management,this paper took control of blasting technology to achieve aquick and safe removal of Spillway Chamber,excavation blasting fragmentation prediction system isestablished to control blasting hazards,a " fine blasting" technology system which had the characteristicsof the water industry was formed.