Results 71 to 80 of about 549 (169)

Tunnel shotcrete lining for hydroelectric projects in British Columbia

open access: yes, 2017
In British Columbia (BC), Canada, the primary source of power supply is hydroelectricity. The BC government, through its crown corporation, BC Hydro, has been working with private companies to provide sustainable and renewable energy.
Zhang, Lihe   +4 more
core  

Prepacked Shotcrete Admixture : Spray-Con WS

open access: yes, 2007
Over the past 10 years, the wet shotcrete method has become increasingly used in the repair of vertical and overhead concrete surfaces. The wet shotcrete admixture products, Spray-Con, are mixed on-site with locally supplied sand and Portland cement ...
ECT Team, Purdue
core   +1 more source

Failure analysis and enhancement measures of wet shotcrete support during cold periods in mining

open access: yes
International audienceThe safety of geotechnical engineering in cold regions depends largely on the stability of the supporting structure. Owing to the advantages of less dust, small rebound during operation, and enhanced strength of the sprayed layer ...
Li, Zongze   +11 more
core   +1 more source

Steel fiber shotcrete: control and mix design parameters.

open access: yes, 2017
Concreto projetado é aquele pneumaticamente transportado e projetado a alta velocidade, sobre uma superficie, sendo auto-compactado. Assim, denota-se que suas propriedades são dependentes do processo de projeção utilizado.
Figueiredo, Antonio Domingues de
core   +1 more source

Quality Assurance of Shotcrete on a Railway Line Project

open access: yes, 2016
Specification for shotcrete specifies control over slump, time lag between batching and placing, compressive strength, shotcrete thickness, density and permeability.
Sri Ravindrarajah, R
core  

Mix proportion of thermal insulation shotcrete.

open access: yes
The new thermal insulating shotcrete is of great significance for the management of thermal damage in deep mines, and its own strength has a greater impact on the roadway insulation and safe production, so it is very necessary to study the shear strength
Gejun Tong (18405664)   +4 more
core   +1 more source

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