Lignocellulosic materials are susceptible to bio-degradation. Therefore, preservatives are used to
enhance their durability for various applications. The toxic nature of synthetic preservatives is
encouraging the use of ...
Despite the importance of quarry operations to the construction industry in developing
countries, the excessive occupational noise involved in quarry operations is a threat to the
health of workers. Studies have shown ...
Despite the large natural gas reserve in Nigeria and increasing global demand for Liquefied Natural
Gas (LNG), prospective investors appear hesitant in doing LNG business in Nigeria. One major
reason is that the existing ...
Neem seed is known to serve as antimicrobial agent on agricultural commodities. However, the
consumption of its high dosage pose a health risk due to presence of other antinutritional factors.
There is limited information ...
Tea and coffee, consumed for their neutraceutical, health and stimulating benefits, can be
easily contaminated by mycotoxin-producing fungi, due to agro-ecological factors, poor
handling and storage. Spices such as Curcuma ...
Ogi is a widely consumed food product but could possess low nutritional value when poorly
processed. Fermentation had been found to improve its nutritional value, sensory properties and
shelf life. However, information ...
The Low Back Pain (LBP) problem is prevalent among construction workers involved
in the Manual Load Handling (MLH) of sandcrete blocks. Studies have shown that
human and environmental based factors affect the weight of ...
Traffic congestion is a significant problem in many urban areas, including Kigali City,
Rwanda. This problem is associated with augmented fuel wastage, air pollution,
financial losses, delays, and risk of accidents, due ...
There are enormous Agricultural Residues (AR) such as Coir Dust (CD), Coir Fibre
(CF), and cashew nut shells, which are sources of environmental pollution in Nigeria.
However, these residues can be deployed in Cement ...
Concrete, a conventional building material is prone to fracture crack propagation, due to
temperature and shrinkage stresses development, resulting in strength loss. Efforts in
recent times have been directed at improving ...
Cement is the conventional stabiliser used for Compressed Stabilised Earth Blocks
(CSEB), which has been in use as a building material over the ages. However, its
production causes environmental pollution. Hence, efforts ...
Heat influx through roofs is the leading cause of internal temperature imbalance problems in
buildings. Roofing materials and configurations are key in regulating heat infiltration into buildings.
There is a dearth of ...
Nanofluid flooding in the petroleum industry has generated growing interest because of its
potential to greatly improve oil recovery. However, studies have reported that injection of
nanofluid could lead to impaired ...
Adulteration of petroleum products with the resultant safety, health, environmental and economic
impact on the end-users is a challenge in Nigeria and many developing countries. The current
commonly used techniques by ...
DEVELOPMENT OF A REAL-TIME ROAD TRAFFIC ASSESSMENT TOOL FOR KIGALI CITY, RWANDA
By
Jacqueline NYIRAJANA
(SI: 216790)
B.Sc.(Hons) Civil Engineering (Rwanda), M.Sc. Civil Engineering and Hydraulics (Burkina ...
Concrete is used extensively in building construction. However, it is susceptible to corrosion, moisture migration, cracking, delamination and spalling is on the increase. These may be mitigated by components reconstitution ...
The ban on asbestos-cement roofing sheets in many countries due to the associated health hazards of asbestos fibre resulted in the search for alternative fibres. Environmental concerns about CO2 emissions in cement ...
Ofada rice(Oryza sativa, variety OS-6) is an indigenous rice variety highly sought mostly for its flavour. However, there are subjective noticeable variations in these flavour attributes which sometimes cast doubt on the ...
Yam is an important tuber crop with numerous species of distinct qualities that dictate its acceptability and utilisation. Inappropriate quality indicator is a risk for yam value chain. There is sparse documented information ...
Breadfruit and pigeon-pea are high yielding crops. However, breadfruit is highly susceptible to deterioration while pigeon-pea is hard-to-cook. Fermentation improves crop preservation, nutritional value and utilisation. ...