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Since there are human errors to consider herein, making a careful description of the origin of mistakes ensures that the person conducting future experiments can improve on the techniques he or she applies. The researcher may encounter a varying degree of errors; this may range from obscure to the common. This, therefore, can be used to explain the discrepancies between the theoretical and experimental data presented. Trusses bear high loads for the specific mass of a particular structure; the deviation is sometimes complicated to analyze due to the varying number of factors. In this experiment N2 and N10 were used loading cell which reads the force in the member, this type of different loads are used to evaluate the data available, the most significant criteria are the ability to carry the load safely (Zhang, et al., 2017, pg.136). This, therefore, means that while calculating to indicate the safety of the structure, this can only be conducted mathematically with the data collected during the experiment through the digital reading being compared to what is already indicated in record theoretically and this is carried out manually.
It is critical to note that that the discrepancies could have occurred as result of the mistake while reading the values, in other words, this is parallax error, this arises when the equipment is not conditioned and positioned appropriately. This implies that it would not be safe and economical for the structural engineers to evaluate the bridge design by constructing a complete prototype (Zhang, et al., 2017, pg.134). Every structure should sufficiently be stiff for it to bear the indicated loads. This, therefore, stress the importance of reading the values with the utmost accuracy. Since there will always be minor “ralat” across all the experiments which are difficult to avoid, it can be prevented to prevent affecting stiffness and calculation of the building. Inaccurate readings can also be triggered by the lack of the equipment maintenance and failure to replace the old or damaged tools, hence inability to get practical results that are consistent with the theoretical framework.
The difference between the experimental results and what is already indicated theoretically can be attributed to the fact that the theory figure takes the account of the ideal conditions it does not focus on any other factor. Carrying out the experiment severally in the perfect situations or providing numerous samples could help resolve these discrepancies (Zhang, et al., 2017, pg.139). Whether random or systematic, it is essential to consider the environmental factors in the working area, since this could have caused errors, therefore need to protect the experiment. Lag time can also lead to the variation, this, thus, means that the measuring devices must be allowed to arrive at the equilibrium and avoid recording the measurements all the instruments have become stable.
The principle of superposition explains that whenever two waves of the same type at the point in a particularly given space the resulting displacement at that specific point is assumed to be the sum of the vector of movement which the two different waves could individually produce at the given location. The inference herein is entailed the super-positioning of the different coherent waves generating minima and maxima regions in the area as explained by this principle (Ünsal, & Ma, 2016, pg. 1243) In this regard, constructive interference may arise if waves disembark at the screen phasing each other resultant wave total amplitude of each wave. The resulting wave posses’ minimum amplitude, destructive interferences occurs as result of more waves being phased out to each other. This is very relevant to construction.
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