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In this paper a theoretical model is introduced for the purpose of home security using mamdani fuzzy system in ubiquitous environment. Paper defines the architecture for such a system, in which the technological combination of ubiquitous computing and soft computing form a home security model. This model is inspired by Intrusion Detection System (IDS) and context awareness (ubicom) system. IDS categorize the normal and intrusive (malwares) data from the network traffic data and allow the normal data to be pass to the system and block the intrusive data. Ubiquitous computing is latest trend where computing can occur using any device, in any location and in any format i.e. everywhere and anywhere. By combining "ubiquitous computing, IDS, and fuzzy" technologies together a theoretical model of smart home security is introduced. Model consists of input parameters, output parameters and membership functions.

Soil modification refers to the process of enhancing physical, chemical and mechanical properties of soil to maintain its stability. In this research, an attempt has been made to improve the engineering properties of locally available clayey soil by making a composite mix with waste river sand and fly ash in appropriate proportions. A series of proctor compaction tests, unconfined compressive strength (UCS) tests and falling head permeability tests were carried out. It was revealed that both strength and permeability characteristics of clayey soil improve on addition of local sand and fly ash. Thus, a suitable mix proportion of clayey soil-sand-fly ash for various geotechnical applications like construction of embankments, low cost rural roads etc. can be obtained. The main objective of this research work is to obtain an improved construction material by making the best use of available clayey soil & sand and to make the effective utilization of fly ash.