Tuesday, August 18, 2015

WHY WALL CRACK MY HOUSE?

   Wall cracks occur for several reasons. In architecture and civil science it is divided into two kinds of cracks, tiny cracks or hairline cracks called, because retal form small and large cracks or branched and generally called structural cracks. For hairline cracks are physically located on the surface of the wall with a depth of 1 mm and a width of 1mm, hair Cracks often occur because the process of making hasty wall coverings and the use of specific materials that are not suitable standards in civil works. So the level of dryness was not optimal. In addition to the material usage ratio improper holding capacity will occur between particles some material was not optimal as well. For example to make a plaster wall coverings in the standard of quality wear ratio of 1: 5 means that 1 part cement versus 5 parts sand made specific comparisons of 1: 8, 1 part of cement with 8 parts of sand.  
   This will result in less maximum adhesion of cement to sand, so that when made into dough plastering, stucco adhesion and quality becomes less. More volume than the volume of sand cement, stucco became quickly broke dry time.   For large or wide cracks occurred due to the process of building a part of its structure due to uneven loading and exceed power to bear part of the building, starting from the foundation, sloof, columns and beams. As a result of the imposition of an over stress or outside the building load bearing capabilityresulting walls are not load bearing structural join, so the walls will be broken or fractured.   
   Briefly things that cause cracking of the structure is due to the dimensions of the foundation, sloof, columns and beams are less suitable standards or materials used are not suitable standards, such as the calculation of the iron structure used 12 mm in diameter, which is used in the field is only 10 mm iron or ratio materials used are not in accordance with the provisions of the civil standard calculations. Given the magnitude of the harmful effects of the use of less precisely the quality and quantity of materials in making structures it needs to make sure the legal provisions to protect people from crime or other human error in seeking personal gain.


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