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CivilBlog.Org
- 3 MAJOR COMPONENTS OF QUALITY CONTROL OF READY MIX CONCRETE November 3, 2018QUALITY CONTROL OF READY MIX CONCRETE Quality control of ready-mixed concrete may be divided into three components, 1. Forward control, 2. Immediate control and 3. Retrospective control. FORWARD CONTROL: Forward control and consequent corrective action are essential aspects of quality control. Forward control includes the following. • Control of purchased material Quality • Control of […]
- HOW TO INCREASE REPETITION VALUE OF PLYWOOD? February 7, 2018TIPS ON INCREASING REPETITION VALUE TO PLYWOOD There are many reasons to use plywood as a concrete shuttering materials. Out of those reasons one reason is it’s reuse value. But if proper care has not been taken during handling of plywood then it will not give a higher repetition value. So in this video I […]
- EFFECT OF TREE ROOTS ON BUILDING January 30, 2018What Is The Effect of Tree Roots on Building? Fast growing trees close to buildings can cause unequal settlement when active tree roots dry out the soil causing differential soil shrinkage. Shrinking clays affect the bearing capacity and lead to movement in the building, especially in shallow foundations. Tree roots can extend over a considerable […]
- 6 DIFFERENT TYPES OF WEATHERING OF ROCK MASS January 24, 2018WEATHERING OF ROCK MASS ‘Weathering is the process of alteration and breakdown of rock and soil materials at and near the Earth’s surface by chemical decomposition and physical disintegration’ (Geological Society Engineering Group Working Party Report, 1995). Of particular note in this definition is that weathering is described as a process. It is not a […]
- HOW TO DETERMINE WEIGHT VOLUME RELATIONSHIP OF SOIL? [STEP BY STEP] January 19, 2018WEIGHT VOLUME RELATIONSHIP OF SOIL The physical properties of a soil give insight as to the identification of the soil and the determination of its characteristics and load response. These properties can be determined by performing a laboratory analysis on undisturbed soil samples obtained during the test boring process. The laboratory analysis should be performed […]
- 6 PROPERTIES OF CONCRETE USED BY DESIGNERS January 9, 2018PROPERTIES OF HARDENED CONCRETE The following are the properties of concrete in its hardened state, used by the designer during design process of reinforced concrete structure. 1. Compressive Strength The characteristics strength is defined as the strength of concrete below which not more than 5% of the test results are expected to fall. As per […]
- Design procedures for a Building Foundation (Step by Step) December 30, 2017Design Procedures for a Building Foundation (Step by Step) Good design must not only be safe but must aim to save construction costs, time and materials. The following procedures should help to achieve this and an ‘educated’ client will recognize the importance of funding this work with a realistic fee. 1. Decide the Location of […]
- 10 PRACTICAL PROBLEMS TO THINK BEFORE DESIGNING A FOUNDATION November 4, 2017PRACTICAL PROBLEMS TO KEEP IN MIND BEFORE FOUNDATION DESIGN There are, in foundation design, a number of practical construction problems and costs to be considered. The chief ones are: The foundations should be kept as shallow as possible, commensurate with climatic effects on, and strength of, the surface soil; particularly in waterlogged ground. Excavation in […]
- BULKING OF FINE AGGREGATE – WHAT, WHY & HOW? October 12, 2017Bulking of Sand – What, Why & How? After watching this video you will be able to answer following questions. What is bulking of sand? Why bulking happens? What are the factors affecting bulking of sand? How to measure bulking of sand at site? What are the effects of bulking on concrete? How to apply […]
- PROPERTIES OF AGGREGATES FOR CONCRETE September 3, 2017Properties of Aggregates Approximately 75% of the volume of concrete is occupied by aggregates, so quality of aggregates plays an important role in determining properties of concrete. Aggregates are chemically inert, solid bodies held together by the cement. Aggregates come in various shapes, sizes, and materials ranging from fine particles of sand to large, coarse […]