There is a need for optimization of materials in the concrete road system by considering ecologically sound choices. This paper presents a study on the suitability of high-volume fly ash concrete (HFC) mix with 60% cement replacement for rigid pavements. Low-calcium fly ash was used for cement replacement. Laboratory investigations were conducted to establish the strength and durability properties of HFC. Durability tests were conducted to determine resistance to acid attack, water absorption, porosity, sorptivity, and abrasion resistance. Field investigations were also conducted to study the response of instrumented test sections of HFC and plain concrete for thermal and wheel loads. Three-dimensional finite element analysis results for wheel load strains were validated from the field results. Static strengths and durability properties of HFC were satisfactory for pavement construction. The performance of a HFC test section under thermal and wheel loads was satisfactory.

Finite-element

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In this works 3D modeling, design and safety management of high rise building using building information modeling (BIM) technology is carried out.. Initially a AutoCAD plan with all its salient features is developed following byelaws of high rise building. Then the 3D modeling and rendering of high rise building is done in the Revit architecture of the 2D plan which is imported from the AutoCAD. The analysis and design of high rise building is carried out using ETabs software. Apart from the structural design Mechanical, Electrical and Plumbing (MEP) services design is carried out using BIM technology . The layout of fire safety system is specified efficiently with use of BIM in co-ordination with MEP services. The application of BIM based design process resulted in considerable time reduction in compression with traditional design process and the holistic design of the high rise building is carried out with the compatibility of different softwares.

No abstract