Utilization of Jute Fibers in Cement Concrete Paver Blocks

IJSRD - International Journal for Scientific Research & Development| Vol. 4, Issue 05, 2016 | ISSN (online): 2321-0613

Utilization of Jute Fibers in Cement Concrete Paver Blocks 1

Bhairob Deori1 Vishal Gupta2 Highway Engineer 2M.Tech. Student 1 LNMIPPL 2RKDF Bhopal

Abstract— Cement concrete blocks as pavement material are useful, economical and visually attractive materials. There is great potential on using various alternative materials along with or as replacement in concrete paver blocks. In present study, a waste product- jute fiber is used as additive with cement concrete in paver blocks. An interlocking type paver block is designed and fabricated in which varying proportion of jute fiber is added. The effect of these fibers on strength and workability is studied. It is observed that fibers decreased workability with increase in compressive strength.

Key words: Paver Block, Jute Fiber, Interlocking Blocks I. INTRODUCTION Cement concrete tiles and paving blocks area unit formed solid stocks created out of cement concrete which is formed in numerous sizes and shape of virtualy any type. Various dimensions with styles for interlocking of adjacent tiles blocks are possible. Unit Pavements or block paving, nick named pavers within the u. s. were developed before the Second war by the Dutch and introduced into the u. s. within the early Seventies. Pavement of concrete blocks may be use an alternate pavement to asphalt and concrete pavements.

Interlocking paving stones area unit put in over a compacted stone sub-base and a leveling bed of sand. CBP is made from individual concrete paving blocks that match next to at least one another on an acceptable sub base exploit a particular joint house among them to be stuffed with jointing sand. The sand doesn't simply wash out with rain or hosepipe water. chemical compound Sand or a sealer may be wont to more lock or coagulate the sand. The raw materials needed for manufacture of the merchandise area unit Portland cement and aggregates that area unit offered regionally in each a part of the country applications. Hence, the unit is also originated in urban and semi-urban areas, close to the market. tons of facelift is being given to roads, footpaths on the edge. Concrete paving blocks area unit ideal materials on the footpaths for straightforward birthing, higher look and end. Whereas the tiles notice intensive use outside the massive building and homes, ample these utilized in flooring within the open areas of public offices and business buildings and residential residences Interlocking concrete Pavement has been extensively utilized in variety of states for quite one thing as a specialised downside resolution technique for providing pavement in areas wherever standard varieties of construction are less sturdy because of several operational and setting constraints. [1] Recycled aggregates have also been used in paver blocks [2] and it is found that recycled aggregate tend to decrease workability while sometimes increasing the compressive strength. Other products like crumb rubber block [3], sisal jute glass hybrid fibre [4]–[7], rice husk, nylon fibre and other waste product have been utilized in paver blocks [8]–[10].

Jute fibers are often used as a fiber, for reinforcing cement concrete which additionally improves resistance to

cracks. Jute may be a fiber that is obtained from a plant having large fruits coated with fiber. The fibers square measure then dehydrated and brushes square measure faraway from the remaining dirt, ends up in a clean fiber.

The soft tissues square measure then scuffled from the fibers manually or by mechanical suggests that. Jute plant produces durable and robust fibers. it's one among the forthcoming reinforcing materials that its use has been verified by experiential suggests that.

In present study, varying amount of jute fibre is utilized in paver blocks of selected size.  Materials for study  Paver blocks used The dimensions of paver blocks used in present study is given in Fig. 1. The paver blocks are so designed as to interlock with each other. The three dimensional rendered display of paver blocks laid is shown in Fig. 2.

Fig. 1: Paver Block Dimensions

Fig. 2: Paver Block Layout II. DETAILS OF EXPERIMENTAL STUDY The cement, sand and coarse aggregate are mixed in ratio obtained from mix design. Two different mix designs are used, which are M 20 and M 30 according to IS 10262:1982.

The jute fibres are mixed in varying percentage. The mixed concrete is moulded in paver block size. These mixes is properly compacted and kept for 24 hours.

The various type of mixtures used in present study are tabulated in Table 1.

Mixture Name % of jute fibre Water cement ratio A0 0.00% 0.41 A2 0.20% 0.485 A4 0.40% 0.491 A6 0.60% 0.468 A8 0.80% 0.406 B0 0.00% 0.444 B2 0.20% 0.427 B4 0.40% 0.461 B6 0.60% 0.416 B8 1% 0.414 Table 1: Details of mixtures used in study

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Utilization of Jute Fibers in Cement Concrete Paver Blocks (IJSRD/Vol. 4/Issue 05/2016/338)

III. RESULTS AND DISCUSSIONS The results obtained through experimental tests on various mixtures given in Table 1 are given in this section.

A. Workability Slump The slump test is conducted on mixtures and results is as shown in Table 2 Mixture Name Workability (%) A0 75.07 A2 71.77 A4 68.84 A6 56.82 A8 50.16 B0 78.16 B2 68 B4 65.01 B6 58.54 B8 57.80 Table 2: Workability slump test results of mixtures

C. Compressive Strength The compressive strength test results is given in Table 4 and for different design mixes are plotted in Fig. 4 The compressive strength has been corrected as provisioned in IS 15668:2006.

Compressive strength, Mixture Name N/mm² (28-days) A0 24.55 A2 15.32 A4 17.33 A6 20.51 A8 17.1 B0 25.11 B2 25.16 B4 27.01 B6 29.62 B8 35.37 Table 4: Compressive strength test results of paver blocks

Fig. 3: Workability slump test results of paver block with varying percentage of quarry dust as replacement of sand

Fig. 5: 28-days compressive strength of various mixtures different percentage replacement of sand

B. Density The density of different paver block is given in Table 3 and plotted in graph in Fig. 3. It is observed that there is constant decrease in density of concrete as amount of quarry dust is increased.

Mixture Name Density (kg/m³) A0 1859.56 A2 2164.41 A4 1919.11 A6 1986.03 A8 2314.57 B0 1825.7 B2 2346.78 B4 2050.04 B6 2238.03 B8 2281.78 Table 3: Density of paver blocks

IV. CONCLUSION Concrete paver blocks are very useful material and when constructed and installed correctly behave better than conventional pavements. There is growing potential of different materials which can be used in paver blocks, many of which have been experimented in previous stduies. In present study, jute fiber has been used as additive in cement concrete of paver block. The paver block shape is designed such that the block interlocks in each other. Different proportions of jute fiber are added in concrete of paver block and its effect on strength and workability is observed.

It is found that there is steady decrease in workability of concrete. With regards to density, there is no uniform pattern is observed. However, increase in density is observed as jute fibre is increased in concrete. This shows that jute fiber can conveniently be used in cement concrete paver block. The jute fiber is expected to give secondary advantages like durability, permeability etc.

REFERENCES

Fig. 4: Density of paver block with varying percentage of quarry dust as replacement of sand.

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