دانلود رایگان
دانلود رایگان Adhesion Strength at the Shotcrete–Rock Contact in Rock Tunneling
Adhesion
Strength
at
the
Shotcrete
Rock
Contact
in
Rock
Tunneling
مقاله
پاورپوینت
فایل فلش
کارآموزی
گزارش تخصصی
اقدام پژوهی
درس پژوهی
جزوه
خلاصه
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Experimental study on bond performance between …
To study the bond performance between shotcrete and rock in a hot and humid tunnel, experiments on wet-sprayed shotcrete specimens under different hot and humid curing conditions (35°C, 50°C, 70°C, and standard curing conditions: 20°C with relative humidity 95%) were performed to examine the influence of thermal damage. The results show that the bond strength at 35°C is higher compared ...
Mechanical behavior of rock-shotcrete interface …
01/05/2017 · According to some specifications (ACI, 2004, GB, 2001), the Brazilian method was developed to determine the tensile adhesion strength at the rock-shotcrete interface. The split test has been used to test the adhesion strength at shotcrete-rock contact by …
Adhesion strength and shrinkage of shotcrete - …
01/01/2005 · The adhesion is traditionally defined as the strength of an interface between two materials, for instance between rock and shotcrete. However, in many cases the location of the failure surface will vary depending on the strength of the contact zone, the tensile strength of the rock and the tensile strength of shotcrete layer.
Adhesion Strength at the Shotcrete–Rock Contact …
16/02/2013 · Son, M. Adhesion Strength at the Shotcrete–Rock Contact in Rock Tunneling. Rock Mech Rock Eng 46, 1237–1246 (2013). https://doi.org/10.1007/s00603-013-0380-0. Download citation. Received: 14 August 2012. Accepted: 25 January 2013. Published: 16 February 2013. Issue Date: September 2013. DOI: https://doi.org/10.1007/s00603-013-0380-0
Adhesion strength and shrinkage of shotcrete - …
01/01/2005 · The adhesion is traditionally defined as the strength of an interface between two materials, for instance between rock and shotcrete. However, in many cases the location of the failure surface will vary depending on the strength of the contact zone, the tensile strength of the rock and the tensile strength of shotcrete layer.
Adhesion strength and shrinkage of shotcrete | …
Request PDF | Adhesion strength and shrinkage of shotcrete | Shotcrete is widely used as rock support in mines and in civil engineering projects. In many cases the adhesion between the shotcrete ...
Adhesion Strength at the Shotcrete–Rock Contact …
It was also revealed that the adhesion strength at the shotcrete-rock contact influenced the failure mode for the shotcrete liner, which impacted the overall tunnel stability. The study compared...
CDC - Mining - A Shotcrete Adhesion Test System …
Adhesion strength increased markedly between one and three days of curing, reflecting a similar trend of increasing shotcrete tensile strength with curing time. This robust direct tensile test system can improve mine safety by providing a reliable means of measuring shotcrete adhesion strength and also supplying important information about the quality of the applied shotcrete and the ...
Adhesion Of Shotcrete To Various Types Of Rock …
See fig. 2. The shotcrete was applied on the rock blocks with their test surface in a vertical position. For the thicknesses tested, 2, 4 and 8 cm the failure load was nearly the same and the failure mechanism always the same. At a certain load level an adhesion crack developed at the rock-shotcrete interface. The load then dropped to about one ...
Effect of temperature and humidity on the adhesion ...
15/10/2016 · Adhesion strength at the shotcrete–rock contact in a geothermal and humid environment was got. • CT scanning technology was used to evaluate shotcrete-surrounded rock internal defects. • The mechanism of adhesion strength under the effects of temperature, relative humidity and curing time was analysed.
Adhesion Strength at the Shotcrete–Rock Contact …
It was also revealed that the adhesion strength at the shotcrete-rock contact influenced the failure mode for the shotcrete liner, which impacted the overall tunnel stability. The study compared...
Influence of Ground Temperature on Shotcrete-to …
M. Son, “Adhesion strength at the shotcrete-rock contact in rock tunneling,” Rock Mechanics and Rock Engineering, vol. 46, no. 5, pp. 1237–1246, 2013. View at: Publisher Site | Google Scholar Z. Y. Liu, “Experimental study on the formulation of shotcrete materials in high temperature and high humidity environment,” Science and Technology of West China , vol. 7, pp. 1–3, 2008.