Experimental Study on Strength Parameters of Roofing Tiles Incorpating Pumice Powder

Our experimental investigation is being carried out to find out an alternative for tiles made from terracotta, because these tiles get easily cracked having less in strength. This drawback is likely motivated to conduct investigation to deliver the product by not this limitation. So, we have implemented work by using material called ‘pumice’. Naturally it will absorb the heat and emit cooling to the atmosphere. At early stage pumice powder were added in the range 2.5%, 5%, and 7.5%. Conventionally available materials do not offer acceptable solutions. Prices of corrugated G.I. sheets are continuously escalating, and their use in not preferred because of thermal discomfort. Use of cement sheets is not recommended because of health hazards associated with asbestos. In India there is an acute shortage of locally available cheap roofing materials. Home-builders particularly the poor, are in dire need of cost-effective materials to build their homes with. In addition, mass rural housing programmers supported by Central and State Governments are increasingly looking at low-cost building techniques.

Shiftwise Production Estimation of Asbestos Sheets using General Industrial Controls (GIC)

A rooftop is a top covering of a structure, including all materials and developments important to help it on the dividers of the structure and also provides protection against rain, wind, snow, sunlight and excess of temperature. The asbestos sheet is used in the 20th century widely because of inexpensive and non-flammable properties. South America and Asia are using asbestos in the vital range for producing asbestos cement sheets where the other continents stopped using because of health and legal issues during mining and handling of asbestos. Many industries are involved in the production of asbestos sheets. In such industries, counting of sheets is done by using a proximity sensor during the piling of sheets per day consecutively. The count per hour and count per shift are the manual jobs done by workers. The worker needs to count the sheets manually every hour and should record the count in the register books. Manual works may lead to errors and also it took much time for counting and recounting sheets if there is some error in counting. Hence an automatic counting per hour and per shift method is proposed in this paper. Normally, proximity sensor is used to count sheets. In addition to that GIC PL100 (PLC) is used for counting the sheets per hour and shift and SCADA is for displaying the sheet count in Personal Computer. This proposed method completely avoids the manual intervention and gives an accurate count by proximity senor.

Influence of Public Financial Support on the Process of Roof Covering Replacement and Safety of Civil Structures

This article constitutes an analysis of the influence of public financial support on the process of replacement of the asbestos-cement sheets used as a roof covering for materials safe for the environment. Commonly used asbestos-cement sheets, known under the commercial name of „Eternit”, should be removed of civil structures by 2032 following a program established by the Polish state. However, the carried-out analysis indicates that until present times the products containing asbestos have been properly identified in all municipalities across Poland, and also the amount of financial support that a property owner may obtain for removal of products containing asbestos is relatively low comparing to the costs of the roofing replacement. The cost of roof covering replacement falls within the range. 18.417 – 41.232 PLN/m2, so for the roof area of 100 m2 and considering the simplest roof structure (gable roof) the cost would total between 18.417 and 41.232 PLN. Therefore the existing system of public financial support providing funds for asbestos removal only will not affect the investor’s decision regarding replacement of roof covering and increase of civil structures safety. The replacement process of dangerous Eternit roof covering is slow and most probably the established programmed will not be completed on time.

Ventilated façade systems. Design and workmanship faults affecting the functionality and safe use

Ventilated facade systems are increasingly used in modern construction industry. It is connected with a wide range of available wall claddings which allow to create distinctive architectural buildings (ventilated facade system made of fiber cement sheets won the prestigious European Prize for Urban Public Space 2016). If constructed properly, the ventilated facade systems have a positive effect on thermal insulation properties of building walls. With an increasing interest in this type of facade solutions, one can also notice an increased number of problems with the quality of the design documentation and construction works which affect the safe use of the building, thermal insulation properties of partition walls, the comfort of use. The paper presents basic faults found in the design and workmanship of the ventilated facade systems.