Fabric Textile

This paper describes the comparative study of the behavior of the geogrid reinforced concrete beam and non-reinforced concrete beams. The application of geogrid in concrete pavement ameliorates better strength, durability, and eco-friendly. The purpose of this paper is to reduce the utilization of concrete in this rapidly urbanizing world by introducing smart materials such as “Geogrid” in the road pavement which can be eco-friendly and durable without compensating its strength. The experimental investigation consisting of comparison of testing 2 beams reinforced with geogrid and 1 beam of conventional plain cement concrete (PCC) beam under two point loading testing apparatus. The result from testing confirms that the geogrid beams have more flexural strength and bond strength in comparison to PCC beams. In this project ANSYS is used to analyze the deflection of all beams by applying design load. The finite element program ANSYS has been used to study the Strengthened behavior of a ...

This paper presents an extended experimental study on the bond behaviour between textile-reinforced mortar (TRM) and concrete substrates. The parameters examined include: (a) the bond length (from 50 mm to 450 mm); (b) the number of TRM layers (from one to four); (c) the concrete surface preparation (grinding versus sandblasting); (d) the concrete compressive strength (15 MPa or 30 MPa); (e) the textile coating; and (f) the anchorage through wrapping with TRM jackets. For this purpose, a total of 80 specimens were fabricated and tested under double-lap direct shear. It is mainly concluded that: (a) after a certain bond length (between 200 mm and 300 mm for any number of layers) the bond strength marginally increases; (b) by increasing the number of layers the bond capacity increases in a non-proportional way, whereas the failure mode is altered; (c) concrete sandblasting is equivalent to grinding in terms of bond capacity and failure mode; (d) concrete compressive strength has a marginal effect on the bond capacity; (e) the use of coated textiles alters the failure mode and significantly increases the bond strength; and (f) anchorage of TRM through wrapping with TRM jackets substantially increases the ultimate load capacity.

This paper deals with the effectiveness of Textile Reinforced Concrete (TRC), as a means of increasing the flexural capacity and Shear capacity of Reinforced Concrete (RC) beams, is experimentally investigated. A new type of Alkali Resistant (AR) glass textile fabric was utilized as strengthening and the Polymer-modified cementitious mortar was utilized as bonding material for the Textile fabric instead of Epoxy resin, because of their advantages related to fire safety and their relatively low cost. The parameters examined in this research work include: (a) The number of the strengthening layers (one, three and five) and (b) The strengthening configuration, namely Bottom-wrapping and U-shape wrapping. In total, Eighteen Reinforced Concrete (RC) beams were casted and tested as simply supported under three-point bending till failure.

Concrete is a basic material for construction used all over the world. Concrete is strong in compression and weak in tension. To counteract this steel is used as a reinforcement material to gain tension. The steel is expensive and corrodes easily which leads to deterioration of structure. This can be overcome by bamboo due to its properties like light weight, strength, durable and easily renewable. So, the traditional method of using steel reinforcement is replaced by using bamboo as a reinforcement material in construction industries. Bamboo is a natural, economical and abundant material. It is having required compression and tensile strength. The deflection in mid span can be reduced by providing bamboo reinforcement. We are going to compare the performance of steel and bamboo to find the optimum result.

The paper presents an experimental activity carried out on RC beams strengthened in flexure and shear with different configurations of CFRP laminates. Currently many building and other structure are deteriorated due to age or poor construction. There are many techniques used for retrofitting purpose like jacketing, fiber reinforced polymer (FRP) wrapping etc. This research is basically to strengthen and redesign existing structure. This research work includes Strengthening of full size beam (150mm*150mm*1000mm). Flexure or shear-critical beams were provided with CFRP longitudinal sheets like single layer, double layers etc or U-wraps, respectively. Flexure–shear critical beams were provided with shear or combined systems. Concrete beams reinforced internally with steel and externally with carbon FRP. Laminate applied after the concrete had cracked were tested under two-point bending. Result show that FRP is very effective for flexural strengthening. Different type of wrapping of the FRP laminate combined with adhesive bonding is effective in anchoring the laminate.