Laced Reinforced Concrete (LRC) structural elements are generally used in the defence environments where the structure encounters blast/impulsive loading. It comprises of equal number of reinforcements in both the faces of the beam with lacings as shear reinforcements bent at 450 along the plane of principal bending and fastened in position by cross rod. This paper presents the performance of LRC beam by experimental investigation and compared with conventional Reinforced Concrete (RC) beam using four point flexural load testing. Experimental results indicate that the LRC beam perform well than the RC beam considering the deformation. Failure modes could not be ascertained, since the experiments were stopped due to limitations in test set-up. At this stage, the support rotation achieved by LRC beam and RC beam is found to be 4.70 and 2.430 respectively. The LRC beam is found to be more ductile than RC beam. The structural response of LRC beam and RC beam is compared and presented.
The black cotton soilis the kind of soils whose size of size modifications together with the variation in moisture content material. They will have a conduct of expanding and contracting that is a severevulnerability to constructed building above them. The swelling behaviour of clay soil is existing in north Karnataka region. Thestudy demonstrates the results of an effortto strengthen and stabilize the clay soil with waste synthetic strips. The synthetic pieces being kept readyand integrated at three diverse blending proportions (0.5%, 1% and 1.5%) by mass of soil with various aspect ratios (8*8mm, 8*16mm, and8*24mm). The exploratory results demonstrated that there was obviously a development in the shear quality factors. The expanding and drying upwards conduct behaviour are additionally sensitively reduced. There was a reduction that is substantial the OMC and insignificant improvement in MDD. The maximum size of plastic (aspect ratio) and synthetic content that results in maximum outcome may be chosen based on the value for the selection parameter for a definite engineering work. Stabilizing black cotton soils with unwanted plastic containers at the same time solves the tasks of unsuitable plastic waste reutilizing that is presently a teething issue in many countries that are developing. The outcomes obtained from this investigation positively suggest that addition of this product in clay soils would succeed for ground enhancement in geotechnical engineering.
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