This study was conducted to investigate the flexural strength and compressive strength of the concrete with coconut shell replacement as coarse aggregate In this study, coconut shell was used to partial replace the coarse aggregate by 5%, 10% and 15% All concrete was design to grade C25 / 30 and all samples cured for 7days, 14days and 28days...
Sep 24, 2020· The incorporation of coconut shell ash into concrete mixtures also resulted in an increase in the mechanical properties up to 10% replacement of Portland cement The compressive, tensile, and flexural strength of mixtures incorporating 10% coconut shell ash as replacement of Portland cement is 12%, 10%, and 9% higher than that of the control ....
workable concrete with satisfactory strength Integration of coconut shell enhanced the strength of concrete making it to be the highest as compared to conventional concrete mixture Keywords: Coconut shells, construction materials, hollow blocks, recycled materials, technical specification...
The strength development of the concrete mixes containing egg shell aggregates was compared to that of conventional concrete with sand as fine aggregate The result showed a reduction in compressive strength of the concrete but still falls within limits of lightweight concrete...
Strength Investigation of Carbon Nanotubes on the Properties of Concrete CEX019 High Performance Porous Concrete with Partial Replacement of Micro Silica , CEX021 Experimental Investigation of Coconut shell as a Partial Replacement of Coarse Aggregate , Compressive Strength of Concrete by Using Lateritic Sand and Quarry Dust...
According to R Nagalakshmi, M25 grade of concrete with cement replaced by fly ash and coarse aggregate by coconut shell and find its compressive, tensile strength 5 According to Sabarudin Bin Mohd, he replaced coconut shell and palm kernel shell in place of coarse aggregate in concrete in 0,25,50,75 and 100 % replacement...
Aug 29, 2017· • The durability properties of coconut shell concrete are to be rested before practically applying our project • Durability tests on CSC which may take around a year to complete can be conducted as a future work • The strength properties of CSC depend on the aggregate properties of coconut shells and its individual strength ,...
Feb 21, 2017· Coconut shells are more suitable as low strength-giving lightweight aggregate when used to replace common coarse aggregate in concrete production In the following paper the normal weight aggregate has been replaced by coconut shell aggregate and cubes have been casted to test their compressive strength and other physical properties ....
The mechanical properties such as hardness, tensile strength, tensile modulus, ductility, and peak load of the hybrid composites were determined as per ASTM standards The mechanical properties were improved as the fibers reinforcement content increased in the matrix material Keywords: BHN, Epoxy, Hybrid composite, Carbon/Glass fiber, Tensile ....
coconut shell increases in the two mix ratios, Coconut shell exhibited a higher compressive strength than palm kernel shell in the test Moreover, there is a cost reduction of 30% and 42% for concrete produced from coconut shell and palm kernel shell respectively [6,7] Siti Aminah Bt Tukiman and Sabarudin Bin Mohd...
the coconut shell ash by heat treating the crushed coconut shell at a temperature of 600 and 800 degre Density, particle size and X-ray diffractometer methods were used for the characterization of coconut shell ash Coconut shell ash epoxy composites were prepared by different filler concentration using hand lay-up technique...
concrete, actually concrete is only able to absorb comperessive forces, it fail in tension forc To make concrete able to absorb tension force be use reinforced concrete I used coconut fiber as a alternate solution of steel These type of block can be used in construction ,...
Jun 01, 2018· Coconut shell powder exhibits admirable properties compared to other materials such as low cost, renewable, high specific strength to weight ratio, low density less abrasion to machine and environmental friendly Mixing coconut shell powder with epoxy resin enhances its properties and creates a wide range of applications...
Dec 07, 2013· The coconut shell 75% beam initial crack is 35 kN The failure beams as shown in next slide 24 LOAD CARRYING CAPACITY • The strength beam without coconut shell is 90 kN with a central deflection of 680 mmThe strength beam with coconut shell 25% is 90 kN with a central deflection of 650 mmThe strength beam with coconut shell ,...
Jun 01, 2018· The data article provides information on the properties of Coconut Shell Ash that are indicative of pozzolanic activity as stated in ASTM C618-15 (2015) [1], BS EN 197-1 (2011) [2] and Joshua et al (2018) [3]...
Behavior of Reinforced Concrete Beams With Coconut Shell As Coarse Aggregat Coconut Shell used in the construction aims at analyzing flexural and compressive strength characteristics of concrete produced using crushed, granular coconut as substitutes ,...
The flexural strength was reported[2j to be increased by 25 times using 4 percent fibers Toughness For FRC, toughness is about 10 to 40 times that ofplain concrete Splitting Tensile Strength The presence of3 percent fiber by volume was reported to increase the splitting tensile strength ofmortar about 25 times thatofthe unreinforced one...
Abstract In this study hollow blocks were produced using coconut shell (CS) as coarse aggregate For comparison, hollow blocks were also produced with conventional concrete (CC) Mixes were produced both in field and laboratory Both conventional and CS mixes satisfied the minimum strength required as per IS 2185 (Part 1): 1987 Hollow blocks were tested for their basic properties, shrinkage ....
Coconut shell concrete can be classified under structural lightweight concrete OT Olateju in this paper reports the exploratory study on the suitability of the periwinkle she lls as partial or in concrete works Physical and mechanical properties of periwinkle shell and crushed granite were ,...
This indicates that the coconut shell is a suitable composite and filler for enhancing the strength of conventional solid and hollow concrete Moreover, filled coconut shell concrete building blocks are more load bearing Average Split tensile strength for 7 days and 28 ,...
coconut fibre was added to plain concrete, the torsional strength increased (by up to about 25%) as well as the energy-absorbing capacity, but there is an optimum weight fraction (05% by weight of cement) beyond which the torsional strength started to decrease again...
26 Crushed coconut shell 13 27 Sieved coconut shell 13 28 Surface of coconut shell 17 29 Surface of palm kernel shell 17 210 Concrete sample that used coconut shell as coarse aggregate 18 211 The fissures between the coconut shell and cement paste decreased 19 31 Frame work 23 32 Coconut shells with fibers 25...
Improvement of strength of concrete with partial replacement of coarse aggregates with coconut shell and coir fibers: Download: Download: 25 Application and properties of fiber reinforced concrete: Download: Download: 26 Strength and durability properties of concrete with partial replacement of cement with metakaolin and marble dust: Download ....
Oct 01, 2011· The Behavior of Reinforced Concrete Beams with Coconut Shell as Coarse Aggregates CIVIL Project aims at analyzing flexural and compressive strength characteristics of concrete produced using crushed, granular coconut as substitutes for conventional coarse aggregate with partial replacement using M30 grade concrete Beams are casted, tested and their physical and mechanical properties ,...
Concrete has poor tensile strength, hardness, and specific strength, making it a quasi-brittle , glass powder, rice husk, coconut shell ash, timber ash, ceramic waste, slag cement generally , the properties of concrete, but they are extremely costly and in short supply 8 | P a g e...
2 To achieve certain properties in concrete more effec-tively than by other means 3 To maintain the quality of concrete during the stages of mixing, transporting, placing, and curing in ad-verse weather conditions 4 To overcome certain emergencies during concreting operations CHAPTER 6 Admixtures for Concrete Fig 6-1...
24 Coconut Waste in Concrete 21 241 Coconut fiber concrete 21 242 Coconut Shell concrete 23 25 Destructive Test (Mechanical Properties) 27 251 Compressive Strength Test 27 252 Flextural Strength Test 28 253 Splitting Tensile Strength Test 28...
The strength development of the concrete mixes containing egg shell aggregates was compared to that of conventional concrete with sand as fine aggregate The result showed a reduction in compressive strength of the concrete but still falls within limits of lightweight concrete...
The concrete compressive strength with egg shell powder as cement replacement material increases up to 15 percent without silica fume Addition of silica fume also enhances the strength but in economical point of view only the egg shell powder replacement is sufficient enough for getting higher strength...
This indicates that the coconut shell is a suitable composite and filler for enhancing the strength of conventional solid and hollow concrete Moreover, filled coconut shell concrete building blocks are more load bearing Average Split tensile strength for 7 days and 28 ,...