Capacity of Frozen Soil for Shallow Tunnel Pre-Support underneath a Building Founded on Wooden Piles

This thesis analyzes completion of a binocular tunnel underneath a historic building at low cover using ground freezing for tunnel pre-support and building underpinning. The low depth required tunneling through a big number of timber piles set in groups that serve as foundations for the steel frame, brick and masonry building. Tunneling was carried out using a sequenced excavation with concrete for tunnel support, commonly referred to as the New Austrian Tunneling Method (NATM). During the tunneling the building remained operational for its mainly commercial purpose. The analysis focuses on the performance of the building foundations, frozen soil and tunnel opening. Observations from the construction-monitoring program are utilized in the development of a numerical model to study the performance of the support system consisting of timber piles, frozen soil and tunnel lining.

Authors : Gall,  Vojtech

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Fabrication of Solar Car

The title of the project may be misleading, because it not going to be easy fabricating a full sized solar car. It is not only difficult but also very costly. So it is better to do this as a project which includes lots of study and then a demonstration of how the solar energy can be converted and stored in batteries and then how it can be used to run the vehicle. May be with the staffs permission you may be able to use your college’s water heater solar panel if there is any. The project includes lots of calculations on how much energy can be stored, how fast the energy can be stored, how maximum efficiency can be achieved etc.
The solar powering system of the car consists of:
1. Solar Array which collects solar energy and convert it to electrical energy
2. Power trackers to achieve the proper voltage to be stored in batteries.
3. batteries to stire power.
4. Motor controller which adjusts the power input to the motor.
5. An electric motor which drives the vehicle.

Source:

Projects-forum.com

Parking Guidance System Utilizing Wireless Sensor Network and Ultrasonic Sensor

This project introduces parking system by using Wireless Sensor Network (WSN) technology  with ultrasonic sensors.In order to find the shortest path system from the parking berth to the nearest preferred entrance by using shortest path algorithm.
 The system function by monitoring the availability of the vehicle berth and making the information collected available for patrons and car-park operator.

The information obtained from the detection sensor and calculation from the shortest path algorithm is used to guide patrons to parking berth. The car-park operators use the sensors’ information to aid in overall management and planning. WSN is chosen since it enables reliable information gathering and measurement to be transmitted through wireless channel without having to install new cabling for network and electricity to reach each sensing device.

Author

M.Y.I. Idris, E.M. Tamil, N.M. Noor, Z. Razak and K.W. Fong

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