ويركزمعهد بحوثالعامة لليمينغ الصناعة الثقيلةفي مجال البحوث وتطوير التكنولوجيا المتقدمة والمنتجات الموجهة لصالح العملاء، فضلا عن بناءالقدرة التنافسية الجوهريةليجعل يمينغالصناعة الثقيلةرائدةفي هذه الصناعة.من خلال توفيرنتائج البحوثالأساسية، ويدعم المعهديمينغالصناعة الثقيلةالتكنولوجيا والمنتجات لتكون أعلىمنهافي العالمالقائمة.
2021-12-21 · The percentages of granite powder added to replace sand by weight were 0, 5, 10, 15, 20 and 25. This attempt has been done due to the exorbitant hike in the price of fine aggregate and its limited ...
دردشة على الإنترنت2016-5-10 · Moreover, many researches are directed towards the utilization of marble and granite powders in cementitious products to replace cement or sand (Aliabdo et al., 2014, Mashaly et al., 2016, Rana et al., 2015). Using of these powders as sand replacement was found to be more favorable than being used as cement replacement.
دردشة على الإنترنت2019-6-24 · carried out. The percentages of granite powder added to replace sand by weight were 0, 5, 10, 15, 20 and 25. This attempt has been done due to the exorbitant hike in the price of fine aggregate and its limited availability. KEYWORDS -Granite powder- replacement of sand- environmental protection- economical.
دردشة على الإنترنت2017-12-1 · A substitute or replacement product for concrete industry needs to be found. The main parameter investigated in this study is M30 grade concrete with replacement of sand by granite powder by 0, 25 and 50% and cement was partial replacement with silica fume, fly ash, slag and super plasticizer.
دردشة على الإنترنت2016-9-1 · For compression and flexural strength, the 20% replacement of granite powder showed a modest increase rather than a decrease in strength. The values of split tensile strength of cylinders made with different percentages of granite powder of sand are shown in Table 7 and also presented graphically in Fig. 7.
دردشة على الإنترنت2020-2-4 · For sand replacement, and by replacing 10% of sand with marble powder in (NF10), the compressive strength value rises up to 5% above the control CM. Replacing 5% of cement and 10% of sand with marble waste powder in NC5 + NF10 mix gives almost the same compressive strength value obtained from CM.
دردشة على الإنترنت2013-8-11 · Based on findings from the study the partial replacement of Makurdi river sand with 20% CGF is recommended for use in concrete production for use in rigid pavement. Where crushed granite is in abundance and river sand is
دردشة على الإنترنت2016-3-3 · the behaviour of M20 grade concrete with the use of granite fines as a partial replacement for sand in 5%, 15%, 25%, 35% and 50%; and based onthe results obtained for compressive, split-tensile and flexural tests, it was recommended that 35% of sand can be replaced by granite fines.
دردشة على الإنترنت2015-4-30 · replacement of natural sand (Pofale et al 2013).The present study aimed to utilizing stone dust as fine aggregate in concrete in place of natural fine aggregate. For that an experimental programme was carried out to study the suitability and potential use of stone dust as partial replacement of fine aggregate in concrete.
دردشة على الإنترنت2022-2-11 · What are the Materials for Replacement of Sand in Concrete? Home Construction Tips / By happhoadmin7. A concrete mix necessarily contents cement, water, fine aggregate and coarse aggregate. Aggregate occupy about
دردشة على الإنترنت2017-2-9 · tests on granite powder as a partial sand replacement in high perfor-mance concrete and showed the beneficial effects on its mechanical properties. Of all the six mixtures he considered, concrete with 25% of granite powder (GP25) was found to be superior to other percentages of granite powder concrete as well as conventional. Prabhu et al. [6]
دردشة على الإنترنت2020-1-22 · The percentage of granite powder added by weight was 0, 25, 50, 75 and 100% as a replacement of the sand used in concrete and cement was partially replaced with 7·5% silica fume, 10% fly ash, 10% slag and 1% superplasticiser. The water-to-binder (w/b) ratio was 0·40.
دردشة على الإنترنت2013-8-11 · Based on findings from the study the partial replacement of Makurdi river sand with 20% CGF is recommended for use in concrete production for use in rigid pavement. Where crushed granite is in abundance and river sand is
دردشة على الإنترنت2018-11-21 · specimens. She examined the possibility of using granite powder as replacement of sand and partial replacement of cement with fly ash in concrete. The percentage of granite powder added was 0%, 25%, 50%, and 75% by weight as a replacement of sand used in concrete and cement was replaced with 10% fly ash. The water-cement ratios on
دردشة على الإنترنت2016-3-3 · the behaviour of M20 grade concrete with the use of granite fines as a partial replacement for sand in 5%, 15%, 25%, 35% and 50%; and based onthe results obtained for compressive, split-tensile and flexural tests, it was recommended that 35% of sand can be replaced by granite fines.
دردشة على الإنترنت2022-2-11 · What are the Materials for Replacement of Sand in Concrete? Home Construction Tips / By happhoadmin7. A concrete mix necessarily contents cement, water, fine aggregate and coarse aggregate. Aggregate occupy about
دردشة على الإنترنت2015-4-30 · replacement of natural sand (Pofale et al 2013).The present study aimed to utilizing stone dust as fine aggregate in concrete in place of natural fine aggregate. For that an experimental programme was carried out to study the suitability and potential use of stone dust as partial replacement of fine aggregate in concrete.
دردشة على الإنترنت2020-7-23 · Cement, Sand (Fine Aggregate), Gravels (Coarse Aggregate), Water, Admixtures, Additives. In this study partial replacement of sand is done by Kota stone Dust and crumbed rubber in certain percentage (0%, 5%, 10%, 15% & 20%) in concrete.
دردشة على الإنترنت2018-3-15 · crisis, partial replacement of sand with quarry dus t can be an economic alternative. In this project determi ne the strength and durability of concrete by using qu arry dust as sand and comparing with the conventional mi x. Large range of curing period of 28 days are conside r in the present study design mix of M20 grade concrete
دردشة على الإنترنت2018-9-26 · replacement of MDP in cement content was noted and also showed an improved mechanical property compared to controlled concrete Patil. V. A 2013 did an experimental investigation on polypropylene fiber reinforced concrete by replacing river sand to artificial sand with or without admixture which
دردشة على الإنترنت2019-9-10 · In present study the detailed characteristic studies of concrete is carried out by partial replacement of natural sand by waste granite powder in concrete composition with different percentages (0%, 10%, 20%, 30%, 40%, 50%).The mechanical properties of concrete like compressive strength, tensile strength are carried out by replacing the ...
دردشة على الإنترنت2018-11-21 · specimens. She examined the possibility of using granite powder as replacement of sand and partial replacement of cement with fly ash in concrete. The percentage of granite powder added was 0%, 25%, 50%, and 75% by weight as a replacement of sand used in concrete and cement was replaced with 10% fly ash. The water-cement ratios on
دردشة على الإنترنت2012-9-12 · Our studies show the positive influence of stone powder rhyolite on the ductility of HPC [1]. Replacement of silica fume by inert fillers like quartz powder (mix BQSM1) and pyrophyllite (mix PY4) leads to a better appearance of the plateau (Fig. 1). Pyrophyllite with the small Mohs hardness of 1,5 results in comparison
دردشة على الإنترنت2014-5-26 · 2.1.2 lime stone powder: lime stone powder conforming to IS 8112 – 1989, and specific gravity of cement is found to be 2.95. The Chemical properties of lime stone given in Table.1. 2.1.3 Fine Aggregate: Locally available river sand having bulk density 1782 kg /m 3 is used and the specific gravity 2.68 and fineness modulus of river sand is 3.11
دردشة على الإنترنت2016-3-3 · the behaviour of M20 grade concrete with the use of granite fines as a partial replacement for sand in 5%, 15%, 25%, 35% and 50%; and based onthe results obtained for compressive, split-tensile and flexural tests, it was recommended that 35% of sand can be replaced by granite fines.
دردشة على الإنترنت2015-4-30 · replacement of natural sand (Pofale et al 2013).The present study aimed to utilizing stone dust as fine aggregate in concrete in place of natural fine aggregate. For that an experimental programme was carried out to study the suitability and potential use of stone dust as partial replacement of fine aggregate in concrete.
دردشة على الإنترنت2022-2-11 · What are the Materials for Replacement of Sand in Concrete? Home Construction Tips / By happhoadmin7. A concrete mix necessarily contents cement, water, fine aggregate and coarse aggregate. Aggregate occupy about
دردشة على الإنترنت2018-8-12 · tests showed that variation upto 40% of the broken tiles in replacement for crushed granite was quite satisfactory with no compromise in - compressive strength requirements (20N/mm2). ... ural sand can be classified as coarse sand, medium sand and fine sand in accordance to Table 4 (B.S 882-103.1).
دردشة على الإنترنت2018-3-15 · crisis, partial replacement of sand with quarry dus t can be an economic alternative. In this project determi ne the strength and durability of concrete by using qu arry dust as sand and comparing with the conventional mi x. Large range of curing period of 28 days are conside r in the present study design mix of M20 grade concrete
دردشة على الإنترنت2018-11-5 · aggregates generally consist of natural sand or crushed stone. Medium and fine sand are to be used in mortars. The properties of fine aggregate shall be in accordance with the requirements of IS: 383-197 The compressive strength, crushing value, etc. of the aggregate shall be in accordance with the requirements of IS: 383-1970
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