Mobile crushing line

Hot selling equipment


Development of High Strength Concrete using Rice Husk Ash ...

The application of rice husk ash in concrete production brings positive effects of the environment; hence it reduces the problems associated to their disposal. Regarding their use as cement additive, mineral admixtures affect the performances of paste, mortar and concrete owing to both physical and chemical effects. Therefore it is possible to use rice husk ash as cement additive and ...

Get Price

Experimental Studies on Concrete with Rice Husk Ash as a ...

2) RICE HUSK ASH This research is aimed at putting into effective use Rice Hush Ash (RHA) a local additive which has been investigated to be super pozzolanic in a good proportion to reduce the high cost of structural concrete. Rice Husk Ash (RHA) is an agricultural waste product, and how to dispose of it is a problem to waste mangers. While ...

Get Price

(PDF) A Study on the Use of Hollow Rice Husk Blocks for ...

Thus, the formulations of the composite of husks of rice used for the production of the blocks for flooring are as follows:-C/R = 1,02 suppose 400kg of cement in each m 3 of concrete; -S/R = 40% in weight;-W/C = 46%.The resistance to bending at 28 days of the blocks in cement-sand-husks of rice is 2,06 MPa against 2,13 MPa for the blocks in ...

Get Price

(PDF) USE OF RICE HUSK IN CONCRETE: REVIEW OF MECHANICAL ...

12/09/2018  Rice husk ash (RHA) is one of the types of SCM that can be used to replace OPC in concrete, and it is the waste product of rice production. This paper presents a detailed and recent review of

Get Price

A STUDY ON USE OF RICE HUSK ASH IN CONCRETE

This is to certify that this is a bonafied report of the work entitled “ A Study on Use of Rice Husk Ash in Concrete ” done by the following students: 1. M.B.G Sameer Kumar 2005CIE022 2. D. Santosh Pushparaj 2005CIE043 3. P.R.D Prasad 2005CIE038 4. K. Bipin Chandra Phani 2005CIE008 5. G. Ramu 2005CIE039 Of final year of B.E Civil Engineering in the partial fulfillment of the requirement ...

Get Price

Compressive Strengths of Concrete Hollow Blocks Using Rice ...

The researchers investigated the possibility of using rice husk ash in reducing the amount of cement in making concrete hollow blocks. The mixtures classified as a standard 1:8 mix proportion, one part of cement to eight parts of sand in a different mixtures of Ordinary Portland Cement and Rice Husk Ash. Three sets of mixture with fifteen samples for each were made for a grand total of 45 ...

Get Price

USE OF RICE HUSK ASH AS PARTIAL REPLACEMENT FOR CEMENT

RHA in concrete. Keywords: Concrete, Rice Husk Ash, Compacting factor, Compressive strength 1.0 INTRODUCTION concrete compared to OPC concrete. The need to reduce the high cost of Ordinary Portland Cement in order to provide accommodation for the populace has intensified research into the use of some locally available materials that could be used as partial replacement for Ordinary Portland ...

Get Price

PROPERTIES OF CONCRETE BLOCK CONTAINING RICE HUSK ASH ...

Rice Husk Ash concrete blocks were conducted to confirm their suitability for block making. Physical test of the recently prepared mix was also carried out. 390mm x 190mm x 100mm concrete blocks were cast and compacted by a KANGO hammer for 7, 14, 28 and 60 days at 0, 10, 15 and 20 percent replacement levels. In conclusion, the high performance of masonry blocks can be produced using rice husk ...

Get Price

Rice husk and fly ash concrete blocks - ScienceDirect

01/08/1987  Results are presented of 40 × 20 × 20 cm blocks, with a concrete made up of an agricultural waste product, rice husk, and an industrial by-product, fly ash, and formed by means of a manual placement machine. The blocks have a density of about 1100kg/m 3, a K value of 020 W/m°C and failure loads of 7000 to 8000 kp.

Get Price

A study on the engineering properties of sandcrete blocks ...

blocks produced with rice husk ash blended cement G ... engineering properties of hollow sandcrete blocks with 1:6 cement-sand mix ratios. Single block size 225 x 225 x 450 mm, is produced with a vibrating machine. Results show that the addition of RHA produces blocks of lower density. Particularly, the density of the blocks decreases as the RHA content increases. The compressive strength of ...

Get Price

Rice Husk Ash As An Admixture For Concrete Hollow Blocks ...

The potential of rice husk ash concrete hollow block would be measured through the quantitative data of its compressive strength ... Parung, H., Tjaronge, M., Djamaluddin, R. (2014). Durability of Concrete Using Rice Husk Ash as Cement Substitution Exposed to Acid Rain . International Journal of Engineering Research , 144-149. Laruan, E., Bonares, R., Abdulkasan, M.-m., Ruiz, R. (2013 ...

Get Price

Compressive Strengths of Concrete Hollow Blocks Using Rice ...

The researchers investigated the possibility of using rice husk ash in reducing the amount of cement in making concrete hollow blocks. The mixtures classified as a standard 1:8 mix proportion, one part of cement to eight parts of sand in a different mixtures of Ordinary Portland Cement and Rice Husk Ash. Three sets of mixture with fifteen samples for each were made for a grand total of 45 ...

Get Price

Rice Husk Ash in Concrete: Uses, Pros Cons Effect on ...

23/10/2019  In the final note, the use of by-products like rice husk ash in the concrete improves the quality of concrete and reduces pollution as well as the cost of construction. It is proved as an environmentally friendly method of disposal of large quantities of waste materials that would otherwise pollute land, air and water. It can be added with the cement 5-30% by weight to increase the strength

Get Price

Use of Rice Husk Ash in Concrete: Literature Review ...

25/04/2018  Amorphous silica is best for the production of concrete. Rice husk contains about 75 % organic volatile matter and the balance 25% of the weight of this husk is converted into ash during the firing process, and is known as rice husk ash (RHA). This RHA in turn contains around 85% – 90% amorphous silica. So for every 1000 kgs of paddy milled , about 220 kgs (22 %) of husk is produced,

Get Price

Reducing Cement Content in Masonry with Rice Husk Ash, a ...

24/04/2014  Properties of Blended Cements Made from Rice Husk Ash. 3. Fly ash, slag, silicam fume and rice husk ash in concrete: a review. 4. Strength development of concrete with rice-husk ash. 5. Comparison of two processes for treating rice husk ash for use in high performance concrete. 6. Rice-husk ash paste and concrete: Some aspects of hydration and ...

Get Price

A study on the engineering properties of sandcrete blocks ...

blocks produced with rice husk ash blended cement G ... engineering properties of hollow sandcrete blocks with 1:6 cement-sand mix ratios. Single block size 225 x 225 x 450 mm, is produced with a vibrating machine. Results show that the addition of RHA produces blocks of lower density. Particularly, the density of the blocks decreases as the RHA content increases. The compressive strength of ...

Get Price

The Performance of the Low Cost Masonry Cement Blocks as a ...

11/01/2018  Otsiku Lab., Tokyo Institute of Technology. Use of Mineral admixtures in concrete Oyetola, E. B. and Abdullahi, M. (2006): The use of rice husk ash in low cost sandcrete blocks production. Leonardo Electronic Journal of practices and Technology, 8: 58-70.

Get Price

Rice Husk Ash - an overview ScienceDirect Topics

Rice husk ash (RHA) is a highly reactive pozzolan (Malhotra and Mehta, 1996) obtained when rice husks are calcinated below the crystallization temperature at 780 °C (Yu et al., 1999). RHA-based concrete has high strength and high durability performance ( Anwar et al. , 2000 ; Sousa Coutinho, 2003 ; Zain et al. , 2011 ).

Get Price

LJMU Research Online

potential uses of agricultural wastes as cementitious material in the production of concrete, focusing on rice husk ash, palm oil fuel ash, bagasse ash, wood waste ash, bamboo leaf ash and Gypsum cob ash. Vo and Navard [3] review the treatments of plant biomass for cementitious building materials. Brás and Faustino [1] analyse the potential of using non-classical additions in concrete and ...

Get Price

Sandcrete Blocks and Quality Management in Nigeria ...

Rahman (1987) studied the possibility of using rice husk ash (RHA) in the production of sandcrete blocks and reported that the optimum water/cement + RHA ratio increases with rice husk ash contents and that up to 40% RHA could be added as partial replacement for cement without any significant change in compressive strength at 60 days and 28days respectively. Compressive strength being the ...

Get Price

Rice Husk Ash As An Admixture For Concrete Hollow Blocks ...

The potential of rice husk ash concrete hollow block would be measured through the quantitative data of its compressive strength ... Parung, H., Tjaronge, M., Djamaluddin, R. (2014). Durability of Concrete Using Rice Husk Ash as Cement Substitution Exposed to Acid Rain . International Journal of Engineering Research , 144-149. Laruan, E., Bonares, R., Abdulkasan, M.-m., Ruiz, R. (2013 ...

Get Price

Compressive Strengths of Concrete Hollow Blocks Using Rice ...

The researchers investigated the possibility of using rice husk ash in reducing the amount of cement in making concrete hollow blocks. The mixtures classified as a standard 1:8 mix proportion, one part of cement to eight parts of sand in a different mixtures of Ordinary Portland Cement and Rice Husk Ash. Three sets of mixture with fifteen samples for each were made for a grand total of 45 ...

Get Price

Rice hull ash used in hollow blocks Philstar

23/10/2008  Rice hulls or rice husks are the hard protecting coverings of palay grains. “These blocks are as durable as the concrete hollow blocks yet much cheaper,” the

Get Price

Use of Rice Husk Ash in Concrete: Literature Review ...

25/04/2018  Amorphous silica is best for the production of concrete. Rice husk contains about 75 % organic volatile matter and the balance 25% of the weight of this husk is converted into ash during the firing process, and is known as rice husk ash (RHA). This RHA in turn contains around 85% – 90% amorphous silica. So for every 1000 kgs of paddy milled , about 220 kgs (22 %) of husk is produced,

Get Price

Open Access proceedings Journal of Physics: Conference series

A Comparative Study of Concrete Hollow Blocks with and Without Rice Husk Powder as Partial Replacement to Cement ... replacement by investigating the potential use of rice husk in making concrete hollow blocks. The researchers created concrete hollow blocks (CHB) at three different percentage of rice husk (RH) powder addition from 0%, 5%, and 10%. This study was intended to

Get Price

LJMU Research Online

potential uses of agricultural wastes as cementitious material in the production of concrete, focusing on rice husk ash, palm oil fuel ash, bagasse ash, wood waste ash, bamboo leaf ash and Gypsum cob ash. Vo and Navard [3] review the treatments of plant biomass for cementitious building materials. Brás and Faustino [1] analyse the potential of using non-classical additions in concrete and ...

Get Price

Sandcrete Blocks and Quality Management in Nigeria ...

Rahman (1987) studied the possibility of using rice husk ash (RHA) in the production of sandcrete blocks and reported that the optimum water/cement + RHA ratio increases with rice husk ash contents and that up to 40% RHA could be added as partial replacement for cement without any significant change in compressive strength at 60 days and 28days respectively. Compressive strength being the ...

Get Price

Sustainable Housing Using an Innovative Interlocking Block ...

Sustainability can be achieved by using rice husk ash (RHA) as cement replacement and the use of Palm Oil Fly Ash (POFA) and recycled concrete and aggregate related construction waste as aggregates. This paper describes the development of block production, the design of house using load bearing block and the construction of a pilot house using the load bearing interlocking block system ...

Get Price

(PDF) Uses of sawdust as admixture in production of ...

Anwar, M. M. et al (2000): Using Rice Husk as increases in the mix, the compressive Cement Replacement Materials in Concrete Waste strength decreases. But, for the blocks Management Series. manufactured with 10% replacement level 2. Buyukozturk, Oral Oguz, Gunes. (2004): High-Rise however, the sawdust replacement did not Buildings: Evolution and Innovations. Keynote appear to

Get Price

Rice hull should not go to waste - SUNSTAR

Some Filipino researchers have discovered rice hull ash (RHA) as a suitable cement binder in the manufacture of hollow blocks. Adding 10 to 20 percent ground gray or white ash to ordinary Portland cement does not affect the strength of the construction materials compared to 100 percent cement. This is because, researchers say, rice hull ...

Get Price

The Use of Rice Husk Improving the Final Setting Time and ...

Rice husk ash could be an alternative for ordinary Portland cement in concrete production. It was observed that with the employment of rise husk in concrete mixture final setting time gets reduced with no other effect in overall compressive strength of the mixture. Keywords— Compressive strength, Initial and Final setting time, OPC (Ordinary Portland cement), RHA (Rice Husk Ash ...

Get Price

Open Access proceedings Journal of Physics: Conference series

A Comparative Study of Concrete Hollow Blocks with and Without Rice Husk Powder as Partial Replacement to Cement ... replacement by investigating the potential use of rice husk in making concrete hollow blocks. The researchers created concrete hollow blocks (CHB) at three different percentage of rice husk (RH) powder addition from 0%, 5%, and 10%. This study was intended to

Get Price

Investigation of the Thermal Properties of Rice Husk Ash ...

was to supplement OPC powder with rice husk ash (RHA) and expanded Limestone cenospheres to analyze the effects on the structural and thermal properties of the cement, and to determine if these additives create a more efficient product. Two RHA mixtures and two expanded Limestone cenosphere mixtures were compared to a baseline OPC mixture. In the concrete industry, RHA can be used as a

Get Price

Experimental study on partial replacement of cement with ...

03/09/2020  The main objective of this work is to reduce the use of cement in the concrete paver block by partial replacement with rice husk ash. An experimental investigation is conducted to analyze the compressive strength, water absorption and flexural strength of paver blocks with partial replacement of cement by rice husk ash dumped near Chengapalli, Tiruppur. Rice husk ash were collected from the ...

Get Price

LJMU Research Online

potential uses of agricultural wastes as cementitious material in the production of concrete, focusing on rice husk ash, palm oil fuel ash, bagasse ash, wood waste ash, bamboo leaf ash and Gypsum cob ash. Vo and Navard [3] review the treatments of plant biomass for cementitious building materials. Brás and Faustino [1] analyse the potential of using non-classical additions in concrete and ...

Get Price

Sandcrete Blocks and Quality Management in Nigeria ...

Rahman (1987) studied the possibility of using rice husk ash (RHA) in the production of sandcrete blocks and reported that the optimum water/cement + RHA ratio increases with rice husk ash contents and that up to 40% RHA could be added as partial replacement for cement without any significant change in compressive strength at 60 days and 28days respectively. Compressive strength

Get Price

replacement of cement with rice husk ash by 20%

09/05/2015  Also it is an attempt made to develop the concrete using rice husk ash as a source material for partial replacement of cement, which satisfies the structural properties of concrete like compressive strength. From the entire experimental work studies it is concluded that mix M20 with the replacement of 20% is the best combination among all mixes, which gives the maximum compressive

Get Price

Sustainable Housing Using an Innovative Interlocking Block ...

Sustainability can be achieved by using rice husk ash (RHA) as cement replacement and the use of Palm Oil Fly Ash (POFA) and recycled concrete and aggregate related construction waste as aggregates. This paper describes the development of block production, the design of house using load bearing block and the construction of a pilot house using the load bearing interlocking block system ...

Get Price

(PDF) Uses of sawdust as admixture in production of ...

Anwar, M. M. et al (2000): Using Rice Husk as increases in the mix, the compressive Cement Replacement Materials in Concrete Waste strength decreases. But, for the blocks Management Series. manufactured with 10% replacement level 2. Buyukozturk, Oral Oguz, Gunes. (2004): High-Rise however, the sawdust replacement did not Buildings: Evolution and Innovations. Keynote appear to

Get Price

Rice hull should not go to waste - SUNSTAR

Some Filipino researchers have discovered rice hull ash (RHA) as a suitable cement binder in the manufacture of hollow blocks. Adding 10 to 20 percent ground gray or white ash to ordinary Portland cement does not affect the strength of the construction materials compared to 100 percent cement. This is because, researchers say, rice hull ...

Get Price