Experimental Study on the Effect of the Placement of Precast HPFRC Laminates on flexural behavior of Weak One-Way Slabs

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KHEYRODDIN ALI; Afrooznia Mohammad; Dalvand Ahmad

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Journal: JOURNAL OF CONCRETE RESEARCH Year:2019 | Volume:12 | Issue:1 Page(s): 95-107

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Title

Experimental Study on the Effect of the Placement of Precast HPFRC Laminates on flexural behavior of Weak One-Way Slabs

Author(s)

KHEYRODDIN ALI | Afrooznia Mohammad | Dalvand Ahmad | Issue Writer Certificate

Keywords

One-Way SlabQ2

High Performance Fiber ConcreteQ2

Strengthening with HPFRCQ1

HPFRC laminateQ2

Flexural strengthQ1

Abstract

One of the important subjects in the concrete structure field is rehabilitation. The goal of rehabilitation is made equivalent between the structural capacity and the seismic demand of it. In some cases, the structural capacity should be increased so that it equals to the seismic demand. This increasing structural capacity is called strengthening. The strengthening is including two methods: By increasing stiffness (adding bracing, shear wall etc. ) or increasing strength (steel jackets etc. ). One method of strengthening is the approach of using a special concrete with high capabilities. Experimental studies have been carried lately about Strengthening with HPFRCC on beams, columns, slabs and the other structural elements and the strength of this concrete has been confirmed in strengthening. In the following, the experimental study on strengthening of weak one way slabs with precast High Performance Fiber Concrete laminates will be investigated. In this paper, we use HPFRC laminates. The location of laminates is the variable parameters, too. The aim is reaching the best method of strengthening weak One-Way Slabs with HPFRC. The experimental evidences show that using high-performance fiber concrete laminates is caused to increase bearing capacity (about two times larger than the reference slab), absorbed energy (about three times larger than the reference slab) and ductility (about twenty times larger than the reference slab). In addition, pasting the laminates into tensile, compression and sides' zone of the RC slabs has the best result.

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APA: Copy

KHEYRODDIN, ALI, Afrooznia, Mohammad, & Dalvand, Ahmad. (2019). Experimental Study on the Effect of the Placement of Precast HPFRC Laminates on flexural behavior of Weak One-Way Slabs. JOURNAL OF CONCRETE RESEARCH, 12(1 ), 95-107. SID. https://sid.ir/paper/197191/en

Vancouver: Copy

KHEYRODDIN ALI, Afrooznia Mohammad, Dalvand Ahmad. Experimental Study on the Effect of the Placement of Precast HPFRC Laminates on flexural behavior of Weak One-Way Slabs. JOURNAL OF CONCRETE RESEARCH[Internet]. 2019;12(1 ):95-107. Available from: https://sid.ir/paper/197191/en

IEEE: Copy

ALI KHEYRODDIN, Mohammad Afrooznia, and Ahmad Dalvand, “Experimental Study on the Effect of the Placement of Precast HPFRC Laminates on flexural behavior of Weak One-Way Slabs,” JOURNAL OF CONCRETE RESEARCH, vol. 12, no. 1 , pp. 95–107, 2019, [Online]. Available: https://sid.ir/paper/197191/en

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