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Research on Meso-structure and Water Damage of Asphalt Pavement
With the rapid development of expressway construction, great attention has been paid to the research of asphalt pavement technology. The water damage issue has always been the focus in global. In the paper, asphalt concrete is taken as three....
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Research on Settlement Prediction for High Filling Embankment and Earth Pressure Behind Abutments
With the construction of highway developing in the mountains, high filling embankment behind abutment will be inevitably encountered. The construction of high filling embankment behind abutment has many difficulties in technology, which invo....
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Study on Local Highway Network Topology and Development Scale
Aimed at highway network layout theory development and hotspot problem of highway building and social economical development,the dissertation Focus on the analysis method of local highway network topology based on area development theory, ha....
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Study on Environmental Protection of the Expressway Subgrade Excavation in the Limestone Mountainous
With the development of social economy, the country pay attention day by day to the environmental protection work, considering from function simply of the planning,design, construction and operation of expressway is far from people's require....
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A Refined Non-linear Analysis Method for Suspension Bridge with Hybrid Beam and Its Application
On the basis of the segmental catenary theory for shape-finding and nonlinear finite element method, this dissertation comprehensively considered the structural, mechanical and constructional characters of the self-anchored and earth-anchore....
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Analysis Method and Load Mechanics for Rock Slope Bridge Piles
With the rapid development of the expressway in the western mountainous areas of our country, it is inevitable to use elevated viaducts in the rock slope in order to satisfy the geometrical design requirements and to protect the environments....
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Study on Controlling Methods of Compactive Quality of Subgrade Filled with Earth-Rock Mixtures
With the extension of highways into mountainous regions in the west, earth-rock mixtures would be enormously used to fill subgrades. The earth-rock mixture is clearly different from fine-grained soil because of the heterogeneous gradation an....
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Study of Design Methodology for Asphalt Mixture Based on GTM
With the rapid development of economy, heavy load traffic has become key controlling factor for asphalt pavement constructional design and material design. In this connection, the damages of pavement are serious and have complex reasons. Whe....
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Study on Exposed-Aggregate Cement Concrete Pavement
Portland cement concrete pavement (PCCP) possesses both advantages, such as high strength, good stability, non-rutting, proper cost, good sight on night riding etc, and disadvantages as low skid-resistance, high noise and severe glare. There....
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Study on Strength and Deformation of Compacted Loess and Its Microstructure for Highway Engineering
The paper presents tests of the best water conten and the largest dry desity for loess under the vibration compaction condition with a vibration compactor used in lab designed by ourselves.The influence regularity of vibratory parameters suc....
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Study on Durable Asphalt Pavement Structure with Rigid Base
Sustainable development of highway construction is seriously challenged by more and more early destructs and continual repairs. Durable Asphalt Pavement, a long-lasting or long-life pavement, satisfies the use function under some disadvantag....
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Study on Engineering Properties of Expansive Soil in Road Cutting Slope
Expansive soil is a special clay soil, possessing three features of swelling and shrinkage, over-consolidation and fissures. With the large-scale construction of high-class highway and fast development of the western regions of China, the ha....
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Research on Subgrade Drainage Technology in Loess Donga
Depended on Huangling — Yan'an expressway, directed against special topography, geology and hydrometeorology conditions in loess donga, subgrade drainage technique is studied comprehensively, which includes the followings:1. Based on the a....
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Study on Asphalt Pavement Material Composing and Structure Design for the Permafrost Area
Road building in permafrost area is regarded as a difficult problem in the world at all times. For many special employing and constructing conditions of the highway pavement in permafrost area, pavement materials and structure should provide....
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Study of Traffic Parameter in Asphalt Pavement
The traffic parameters are the main structure design parameters, including traffic volume、 traffic composition、 standard axial load、 axial-load conversion and growth rate of traffic volume or equivalent axle load action .According to t....
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Study of Unifying Asphalt Pavement Structure Design and Materials Design
There is a problem that structure design and materials design are disjointed about the asphalt pavement with semi-rigid base in our country. In order to solve the problem and prevent pavement from damaging early due to the promblem, the pape....
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Study on Intelligent Evaluation Method of Bridge Health State
For bridges in service, various safety problems may emerge due to numerous factors such as faults of design or constructions, effects of climate and surroundings, ever-increasing traffic and overloads. And these damaged bridges have little c....
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Study and Application on High Performance Concrete for Bridge Deck Overlays
It is high concerned that cement concrete bridge deck overlays are seriously damaged at early ages, the phenomenon often occurred greatly affect communication. This research funded by the Western Communication Construction Project of Communi....
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Study of Mechanism, Design Method and Application for Strengthening RC T-Beam Bridge with Sheet Mater
Sheet materials reinforcement technology (paste the steel plate or the fibre reinforced polymer), becomes the focus of strengthening the research field both at home and abroad rapidly as its outstanding mechanical property and handy construc....
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Study on Design and Construction of Corrugated Steel Pipe Culverts
The corrugated steel pipe culvert is essentially different from concrete culvert on the structure. The corrugated steel pipe has the fine characteristic of horizontal compensation in displacement, and use steel fully as strong stretching res....
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Research on Reliability Evaluation and Remaining Service Life Forecast of Existing Concrete Bridge
With the action of natural environment, increasing traffic flow and vehicle load, material deterioration, the concrete bridges have undergone various degree damages on three levels of material, component and structure as time goes on. And wi....
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Study on Technique of Treatment for Jump at Back of Abutment in Loess Area by the Flexible Approach S
Bridge bump is one of the problems that encountered when freeway are constructed in loess area. On the basis of analyzing and generalizing the jump at back of abutment in loess area, the treatment technique of the Wedged-shape Flexible Appro....
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Study on Prediction and Control Method for Construction of Cable-Stayed Bridges
Construction control is one essential technology that ensures successful erection of cable-stayed bridges. In this dissertation the methods of prediction and control for cable-stayed bridges during construction are presented on the viewpoint....
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A Research on Passive Control Theory for Multimode Coulped Flutter and Buffeting of Long-Span Bridges
With the rapid development of the long-span bridges, modern bridges are becoming more and more sensitive to wind action. The conventional wind resistance measure and design method can not fulfill the construction and design requirement. It i....
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Research on Theory and Key Technologies of Construction Control for Long-Span PC Cable-Stayed Bridges
It is well-known that the modern cable-stayed birdge has evolved into the moust popular birdge type all over the world because of its special advantages. Trun into 21 century, our country a great progress has made in the construction of a ca....
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Dynamic Model and Aerodynamic Analyses of Long-Span Cable-Stayed Bridge with Open Section Girders
Wind-induced vibration has been a key design issue of long span cable-stayed and suspension bridges. The nonlinearity effect on the deformation of the bridge girder will become prominent as the bridge span increases. Therefore, the response....
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Study on Seismic Semi-active Control for Bridges
The bridge anti-earthquake and seismic mitigation is always an important content in earthquake engineering. In this thesis, the calculation and analysis on semi-active control of seismic response for bridge are performed systemically. Bridge....
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Research of Bridge Pile Foundation Loading Characteristic Analogue Test Method
According to the existed question analysis on SongHua river the largest bridge. And test study for its basic carry capacity. Analysis applicability and localization for different test method decide pile carry capacity. Form technique and eco....
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Research on Optimization in Construction Control of P.C. Cable-stayed Bridge
One of the most important standards to measure a cable-stayed bridge safety and quality is whether the permanent load inner force is reasonable. A reasonable completed status of cable-stayed bridge should be that the bending stress is small....
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Research on Inverse Problems of Engineering Structure Damages Identification
With the development of science technology and traffic enterprise, the continuous girder bridge ridge has been growing up rapidly in the recent years with it's unique predominance of handy construction, economical cost,reasonable internal fo....