Volume Changes of Cement Composite Based on Steel Slag During Thermal Load

2016 ◽  
pp. 245-259
Author(s):  
V. Šimíček ◽  
V. Václavík ◽  
T. Kubín ◽  
T. Dvorský ◽  
A. Břenek ◽  
...  
Keyword(s):  
Thermal Load ◽  
Steel Slag ◽  
Cement Composite ◽  
Volume Changes

Structural Failures of Buildings Caused by Volume Changes of Steel Slag

2011 ◽  
Vol 11 (2) ◽  
pp. 1-9 ◽  
Author(s):  
Radim Čajka ◽  
Petr Martinec
Keyword(s):  
Reinforced Concrete ◽  
Steel Slag ◽  
Frame Structure ◽  
Reinforced Concrete Frame ◽  
Volume Changes ◽  
Concrete Frame ◽  
Floor Slabs ◽  
Reinforced Concrete Frame Structure ◽  
Structural Failures

Structural Failures of Buildings Caused by Volume Changes of Steel Slag The paper deals with structural failures of buildings caused by volume changes of steel slag in subsoil of hospital in Ostrava-Poruba. The building consists of a monolithic reinforced concrete frame structure with floor slabs on slag sub-base. Latest measured increases in deformations show that the slag swelling in the sub-soil continues, and as the measured dependences show, there is no stabilization of the movement.

Metallurgical By-Products in Earthworks, Hazards of their Utilization

2014 ◽  
Vol 1020 ◽  
pp. 98-109 ◽  
Author(s):  
František Kresta
Keyword(s):  
Blast Furnace ◽  
Blast Furnace Slag ◽  
Nonferrous Metal ◽  
Steel Slag ◽  
Mineralogical Composition ◽  
Volume Changes ◽  
Volume Stability ◽  
Alternative Sources ◽  
Furnace Slag ◽  
By Products

Metallurgical by-products, primarily blast furnace and steel slag, have ranked among important alternative sources of fill as well as of material for the structural layers in highways. The properties of aggregates based on blast furnace or steel slag are determined to a decisive degree by the process employed by the specific ironmaker or steelmaker in question, or as the case may be, the specific producer of a nonferrous metal. Main hazards of metallurgical by-products are closely connected to their chemical and mineralogical composition and they are resulted in volume changes. Pavement deformation of the D47 motorway does not constitute Czech Republic’s first example of damage to an engineering structure due to volume changes of metallurgical by-products, but since this problem became widely known it drew greater attention to the problems of volume stability of the metallurgical by-products. Comparison of blast furnace slag, steel slag and other metallurgical by products parameters allow us to define the most hazardous material as steelworks waste. It is surprising that such material obtained a certificate based on which it was used as fill.

Volume changes in HgTe upon melting and heating

1997 ◽  
Vol 94 ◽  
pp. 1816-1826 ◽  
Author(s):  
M Glazov ◽  
LM Pavlova ◽  
SV Stankus
Keyword(s):  
Volume Changes

Hippocampal and amygdala volume changes in patients with major depression and healthy controls during a three year follow-up

2005 ◽  
Vol 38 (05) ◽  
Author(s):  
TS Frodl ◽  
T Zetzsche ◽  
G Schmitt ◽  
T Schlossbauer ◽  
MW Jäger ◽  
...  
Keyword(s):  
Major Depression ◽  
Healthy Controls ◽  
Volume Changes ◽  
Amygdala Volume

Thermal load effects on precision membranes

1999 ◽  
Author(s):  
C. Jenkins ◽  
S. Faisal
Keyword(s):  
Thermal Load ◽  
Load Effects

Rational Design of Quasi Zero-Strain NCM Cathode Materials for Minimizing Volume Change Effects in All-Solid-State Batteries

2019 ◽  
Author(s):  
Florian Strauss ◽  
Lea de Biasi ◽  
A-Young Kim ◽  
Jonas Hertle ◽  
Simon Schweidler ◽  
...  
Keyword(s):  
Solid State ◽  
Solid Electrolyte ◽  
Cathode Materials ◽  
Rational Design ◽  
Electrode Materials ◽  
Cycling Performance ◽  
Mechanical Degradation ◽  
Volume Changes ◽  
Solid State Batteries ◽  
All Solid State Batteries

Measures to improve the cycling performance and stability of bulk-type all-solid-state batteries (SSBs) are currently being developed with the goal of substituting conventional Li-ion battery (LIB) technology. As known from liquid electrolyte based LIBs, layered oxide cathode materials undergo volume changes upon (de)lithiation, causing mechanical degradation due to particle fracture, among others. Unlike solid electrolytes, liquid electrolytes are somewhat capable of accommodating morphological changes. In SSBs, the rigidity of the materials used typically leads to adverse contact loss at the interfaces of cathode material and solid electrolyte during cycling. Hence, designing zero- or low-strain electrode materials for application in next-generation SSBs is desirable. In the present work, we report on novel Co-rich NCMs, NCM361 (60% Co) and NCM271 (70% Co), showing minor volume changes up to 4.5 V vs Li<sup>+</sup>/Li, as determined by <i>operando</i> X-ray diffraction and pressure measurements of LIB pouch and pelletized SSB cells, respectively. Both cathode materials exhibit good cycling performance when incorporated into SSB cells using argyrodite Li<sub>6</sub>PS<sub>5</sub>Cl solid electrolyte, albeit their morphology and secondary particle size have not yet been optimized.

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