coal gangue applied to low-volume roads in china inter information aided disaster assessment of great earthquake the mamum safe speed calculation model research on curve based on road sectional characteristic cluster model for urban expressways study for maintenance assessment method of highway traffic safety devices the capacity of urban expressway interchange study on traffic safety classification of two-lane highway intersection based on traffic accident influence of carbon black on storage stability of hdpe-sbs modified asphalt study on the mechanism and properties of activated crumb rubber modified asphalt an optimal identifier-selection method based on recognition probability of expressway work a coordinated control framework and algorithm used for relieving traffic congestion in the scope of et-ramp of the expressway and its downstream intersection design of refractive index test equipment of high refractive index glass beads by secondary rainbow method study on thin-layer antiskid and flame retardant colored pavement material for tunnels research progress and prospect of application technology of thin-layer antiskid colored pavement at home and abroad research progress on characteristic technique of pavement micro-texture and testing technology of pavement skid resistance at home and abroad research on preparation and properties of multi-functional anti-corrosion coating used to inner wall of water pond in service area of express highway research on preparation and properties of rapid adhesive for bon raised pavement markers spee behaviors in beijing based on the theory of nned behavior highway tunnel lighting research based on mesopic vision durability based indexes of coarse aggeragte for cement concrete equivalent brightness fitting calculation method about white leds study on the mesopic vision theory used in road tunnel lighting measurement the impact assessment of the managed motorway on m25 junction 5 to 7 research progress and prospect of testing and application technology of highway snow-melting agent at home and abroad pactness inspection methods for epoxy-bonded steel tes of bridge strengthening winter road weather monitoring and warning service system warning gra method for highway work traffic condition under foggy weather buil of road weather monitoring and warning system based on jingshen expressway evaluation on the long-term properties of sasobit modified asphalt study on the stabilization method and performance for local material and its application gap choice behavior between bicycles and motor vehicles at urban interchange study on drivers subjective perception of road safety and traffic safety study on the policies and measures of road transportation energy conservation in china research of lane management technology for multi-lane freeway character of rural highway accident and safety policy vehicle velocity calculation in accident based on morphology of broken vehicle windshield glass statistical analysis and countermeasures study on road transportation accidents of application on sample inspection technology of highway electrical and mechanical engineering detection 用和甲醇燃油分层拓展hcci燃烧高负荷的试验研究 沥青路面裂缝密封胶的低温应力松弛评价指标 雁门关隧道大变形突泥段地质结构与力学分析 中小跨径公路桥梁抗震设计理念 火花点火激发自燃着火( siai)稳定燃烧边界条件的试验研究 下册 2013年 effect of linear low density-polyethylene grafted with maleic anhydride( lldpe-g-mah) on properties of high density-polyethylene/styrene-butadiene-styrene( hdpe/sbs) modified asphalt experimental study on characteristics of base friction for concrete pavement structure in china an identifier-selection method for expressway work based on toll collection accuracy of multi-path analyze smoke extraction efficiency on point exhaust system of side direction for immersed tunnel impact shape of smoke dampers research on application of precast-assemble technology to road maintenance engineering study on frictional properties of mineral aggregates througha prehensive experimental program experiment on road performance of asphalt mixture with automatic long-term snowmelt agent influence of prestress degree to long-term response of the long span prestressed concrete bridges reclamation of the temporary land use for the road construction highway construction based on sustainable concept 基于岩芯分级的hoek-brown参数研究及应用 连续长大下坡路段大货车运行速度预测模型 抗滑桩加同含软弱夹层边坡三维弹塑数值分析 道路有机硅密封胶的能评价与技术要求 沥青路面加热型密封胶的能评价 中风化花岗岩层与基桩侧摩阻能现场试验研究 2014年 reduction of tire-pavement noise by porous concrete pavement estimation of critical gap based on raffs definition dynamic response of the rectangular te subjected to moving loads with variable velocity modifications to the gsi for granite in drilling 兆源光谱对标志逆反系数的影响 study on the influence of mix design parameters on the properties of self-pacting concrete precast pavement smoothness control method study on precast concrete girders curing system based on automatic drip imgation research on roller pacted concrete graduation with vibration liquefaction based on the orthogonal design to study the design and optimization of material ition for curing pound experimental study on gap-graded concrete ming uniformity a study of the capability for fire resistance of polypropylene fibre concrete research on the preparation of economical reactive powder concrete-uhpc evaluation on high-temperature adhesion performance of hot-applied sealant for asphalt pavement research on link travel time reliability model based on massive expressway toll data effects of the lithologic character of manufactured sand on properties of concrete research on hyperpaths in the urban rail transit work development of bridge concealment engineering state detection technology research on transverse prestress mechanical properties experiment of pc box girder ……
以下为对购买帮助不大的评价