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Showing 1 to 11 of 11 for “"partially prestressed"”.
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Partially prestressed concrete internal square panel
… three series of ten tests of 1.5m span partially prestressed panel with typical span to depth ratio, levels of loading, levels of prestress and geometry of tendon profiles. The models were fixed along the edges to simulate the continuity of an internal panel in a multi-panel slab system. …
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Deformation of partially prestressed concrete beams under service loads.
Nine tests were carried out on partially prestressed concrete beams in which 50 percent of the service load was sustained for a period of up to 46 days during which time the load was increased to the full service load up to seven times in intermittent short-term cycles. One cycle of short-term …
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Flexural Resistance Factors for Partially Prestressed Members Using ASTM A 1035 Reinforcing Steel
… to offer better performance in reinforced and prestressed concrete beams. The current specifications ACI 318 and AASHTO LRFD are designed for the use of A615, Grade 60 steel and do not account for the use of high strength steel in structures.</p><p>In reports published by the National …
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Behaviour of partially prestressed concrete structures under fatigue loading / by Moo-Heck Foo
One microfiche in pocket
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A study of the deflection and strength of partially prestressed concrete beams with unbonded tendons
… rectangular sections with different amounts of prestressed and non-prestressed reinforcement, were tested under short-term and sustained loading and a combination of sustained loading with intermittent short-term cyclic loading(combined loading). Two additional ordinary reinforced concrete beams …
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Behavior of FRP reinforced and partially prestressed concrete members under the effects of temperature gradients
… thermal cracking in reinforced concrete (RC) and partially prestressed concrete (PPC) beams. A total of eleven RC and PPC beams using FRP rebars were tested. The test program consisted of two series; RC series and PPC series. The eleven beams had the same concrete cross-section dimensions. The RC …
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Strengthening of concrete members with advanced composite materials
… investigations into the behaviour of prestressed concrete members strengthened using two typical techniques: the first is by application of external post-tensioning using carbon fiber reinforced plastic (CFRP) cables, whereas the second is by bonding composite straps on the tension …
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Continuity development between precast beams using prestressed slabs, and its effect on flexure and shear
Development of continuity between precast prestressed bridge girders by post-tensioning the insitu top slab In the regions of hogging moment is a relatively new technique which forms the basis for this research study. Compared to the more conventional method of using reinforcing steel in the slab …
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Immediate Deflection Calculations Of Transition And Cracked Prestressed Concrete Sections
Prestressed concrete is commonly used in floor, roof, and bridge members. In prestressed concrete, the steel strands are tensioned/pulled and then concrete is cast around the strands in the form. Once the concrete has set, the strands are cut, and the member is put into compression from the …