The workability and durability of a type of sustainable concrete made with steel slag powder were investigated. The hydrated products of cement paste with ground granulated blast furnace slag (GGBFS) alone or with a combined admixture of GGBFS-steel slag powder were investigated by X-ray diffraction (XRD). Furthermore, the mechanism of chemically activated …
The mechanical properties and hydration mechanism of ultrafine ground granulated blast furnace slag powder (UFS)-cement-steel slag powder (SS) ternary cementitious material systems were studied. The chemical effects and contribution ratios of UFS and SS in ternary system at different hydration ages were also investigated. The results show that by …
Apart from this, there were numerous industrial wastes like Steel slag, Glass powder, Fly ash, Ground granulated blast furnace slag etc., that are being deposited in the dump yards with no purpose. ... Wang Q, Yan P, Yang J, Zhang B (2013) Influence of steel slag on mechanical properties and durability of concrete. Constr Build Mater 47:1414 ...
A comparison of early hydration properties of cement–steel slag binder and cement–limestone powder binder Peiyu Yan • Guidong Mi • Qiang Wang Received: 17 January 2013/Accepted: 2 August 2013/Published online: 15 August 2013 Akade´miai Kiado´, Budapest, Hungary 2013 Abstract The early hydration properties of cement–steel
In this experiment, CO 2 and steel slag cooperative electroreduction was adopted. C produced by CO 2 reduction reacts with Fe, Mn, Al, Si obtained by the reduction of steel slag to form FeMnAlSiC powder and achieve the cooperative utilization of steel slag and CO 2.Therefore, thermodynamic calculations are needed to verify the feasibility of the scheme and determine …
Converter steel slag is a vast amount of solid waste generated in the steelmaking process that has very low utilization rate in China and is usually deposited as waste. This …
In order to evaluate the feasibility of steel slag powder as filler, the coating properties of steel slag and limestone aggregate were compared by water boiling test, the micro morphology differences between steel slag powder and mineral powder (limestone powder) were compared by scanning electron microscope (SEM), and the high-temperature rheological …
Dokumen tersebut membahas penelitian lingkungan tentang pemanfaatan slag baja sebagai bahan perkerasan jalan. Slag baja merupakan limbah industri baja yang termasuk limbah B3 berbahaya. Penelitian ini mengevaluasi kandungan logam berat dan uji lingkungan slag baja sesuai peraturan. Hasilnya menunjukkan kandungan logam masih di bawah baku mutu …
DOI: 10.1016/j.conbuildmat.2023.132358 Corpus ID: 259527624; Development of sustainable ultra-high-performance concrete containing ground granulated blast furnace slag and glass powder: Mix design investigation
The research on the activation energy of crystallization of amorphous solids in BF slag is the foundation to find out the reasonable cooling speed during dry granulation of molten …
Previous researchers have reported the loss of strength by high replacement of BOS (Basic Oxygen Furnace) steel slag alone as replacement of OPC but its use along with …
Shake the closed powder sachet to loosen its contents. Pour the entire contents of the sachet into the bottle and add water (tap or bottled) until it is half full. Let it settle and then finish filling the bottle. Close the bottle and shake vigorously …
A significant portion of calcium silicate slag (CSS) waste is deposited in open landfills, leading to various environmental concerns. CSS powder with high content of active β-C2S is a potential supplementary cementitious material. This study determined the isothermal hydration heat flows of cementitious composites containing 0 – 40% CSS powder using an …
As we all know, reactive powder concrete (RPC) has good mechanical properties and durability [6,7] with added fiber, so the brittle behavior of conventional cementitious composites can be improved ...
furnace slag powder containing industrial crude glycerol-based grinding ... Peiyu Yana, Shijiao Zhaob, Dawang Zhangb a Department of Civil Engineering, Tsinghua University, Beijing 100084, China bChina University of Mining & Technology, Beijing 100083, China highlights C-GLY can effectively optimize the particle characteristics of ground GBFS ...
University of Illinois at Urbana-Champaign • Metals Processing Simulation Lab • Xiaolu Yan • 2 Background • Meniscus region controls many casting defects, such as: – Level fluctuations – Slag entrapment – Deep oscillation mark • Many coupled phenomena occur, – melting powder, – oscillating mold, – steel flow with superheat,
Gambar 1 Bongkahan Steel Slag Sumber: Foto Lapangan Gambar 2 Tumpukan Steel Slag yang melimpah Masalah pemanfaatan steel slag ini sangat serius. Permasalahan ini dapat dikurangi dengan memanfaatkan steel slag untuk bahan campuran konstruksi beton. Sebenarnya diluar negeri penggunaan steel slag sudah sangat banyak. Selain
Understanding how the particle size of steel slag powder (SS) affects modified efficiency via chemical modified approach is critical to improve the modification process and ... Preliminary investigation on the pozzolanic activity of superfine steel slag. Yan Shi Hailong Chen J. Wang Qi-ming Feng. Materials Science. 2015; 64. Save. Use of steel ...
The early hydration properties of cement–steel slag composite binder and cement–limestone powder composite binder were compared in this study by determining the hydration heat of binder within 3 days, the pore structure of paste and the compressive strength of mortar at the age of 3 days. Results show that at the curing temperature of 25 °C, the early …
The mechanical properties and hydration mechanism of ultrafine ground granulated blast furnace slag powder (UFS)-cement-steel slag powder (SS) ternary cementitious material systems were studied.
tinggi 10 cm untuk pengujian kuat lentur yan g . dapat dilihat pada T abel 1. T abel 1. V ariasi Jumlah ... ( 2019 ). Pengaruh Slag Baja Sebagai Agregat Kasar Terhadap Kuat Tekan Beton Dalam Media ...
Changwang YAN | Cited by 275 | of University of Tennessee, TN (UTK) | Read 49 publications | Contact Changwang YAN
Wang, Q., P. Y. Yan, and S. Han. 2011. "The influence of steel slag on the hydration of cement during the hydration process of complex binder." ... C. Wei, Y. Li, and S. Ma. 2024. …
@article{Liu2020PreparationOS, title={Preparation of sustainable and green cement-based composite binders with high-volume steel slag powder and ultrafine blast furnace slag powder}, author={Yu Liu and Zengqi Zhang and Gui-hua Hou and Peiyu Yan}, journal={Journal of Cleaner Production}, year={2020}, pages={125133}, url={https://api ...
Slag merupakan hasil residu pembakaran tanur tinggi, yang dihasilkan oleh industri peleburan baja yang secara fisik menyerupai agregat kasar.Slag tersebut terbentuk dari kombinasi bijih besi dengan fluks batu kapur.Slag berbentuk granular dengan ukuran bervariasi dari kasar sampai halus.Permukaan slag kasar . 7 dan berlubang disebabkan terperangkapnya gas ketika slag …
The mechanical properties and hydration mechanism of ultrafine ground granulated blast furnace slag powder (UFS)-cement-steel slag powder (SS) ternary …
Adapun kandungan unsur kimia dalam steel slag dapat dilihat dalam tabel 1 dibawah. Tabel 1 Kandungan unsur kimia dalam stell slag No. Parameter Satuan Hasil Metode 1 Timbal (Pb) Mg/kg 26,6 AAS 2 Kadmium (Cd) Mg/kg <0,003 AAS 3 Tembaga (Cu) Mg/kg 97,5 AAS 4 Kromium (Cr) Mg/kg 5353 AAS 5 Perak (Ag) Mg/kg <0,001 AAS 6 Selenium (Se) Mg/kg <0,01 AAS
The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure …
WU Yechen 1、*, LYU Henglin 1、2、3, ZHANG Mingming 1, YAN Qiyao 1, YAN Hui 1, and QI Chuankang 1. Author Affiliations. 1 [in Chinese] 2 [in Chinese] 3 ... the composite cementitious material system composed of mineral admixtures such as limestone powder, slag and fly ash and cement improves the freeze-thaw resistance of concrete. Because ...
Nickel slag is a solid waste produced from the nickel smelting process. At present, In Indonesia, the total capacity of domestic nickel smelting reaches 5 million tons/year with the assumption of ...
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