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List of products by author: F. Clement
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Composite tunnel linings, allowing a more cost effective and sustainable tunnel design
Abstract: Spray applied waterproof membranes allow composite action between the concrete and the membrane in a tunnel lining. This paper proposes a design chart for the determination of the secondary lining thickness that will allow designers to reduce the lining thickness when composite action is considered. This paper also presents potential savings in materials and carbon footprint in a quantified...
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Impact of Cyclic Shear Stress on the Durability of a Composite Shell Lining
Abstract: A new lining design for tunnel is based on the use of a polymer based, double bonding, sprayable, waterproofing membrane. Due to its double bonding capability, it creates a composite of inner and outer concrete lining, allowing a reduction of the total lining thickness, resulting in a more cost effective and sustainable tunnel design. A test program has been established where the composite...
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Innovative Geopolymer Coating for Road Tunnels
Abstract: Having a key role in the today’s transportation network, tunnels are an essential part of the infrastructure and affect the development of regional economies. Concrete linings in the tunnels also have a key role for ensuring structural safety and security which is essential for driving safety. These linings do not only structurally support the tunnel itself but also create an isolated and safe...
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Innovative Geopolymer Coating for Road Tunnels
Abstract: Having a key role in the today’s transportation network, tunnels are an essential part of the infrastructure and affect the development of regional economies. Concrete linings in the tunnels also have a key role for ensuring structural safety and security which is essential for driving safety. These linings do not only structurally support the tunnel itself but also create an isolated and safe...
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Sprayable waterproofing membranes: possibilities and limitations
Abstract: Sprayed waterproofing membranes have been used in underground construction sincemore than a decade. They are typically applied onto the primary sprayed concrete lining and covered later on by the secondary concrete lining, adhering to both primary and secondary linings forming a composite shell lining. A double-bonded sprayed membrane provides an effective barrier to any groundwater inflow or...
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Sprayed concrete composite tunnel lining – load sharing between the primary and secondary lining, and its benefit in...
Abstract: Compression core tests and flexural beam tests have been carried out using sprayed waterproof membrane sandwiched samples to obtain shear strength parameters at the sprayed waterproof membrane interface. These are inputted into LS-DYNA software to model realistic load sharing behaviour of a composite lining structure. This paper presents the findings and observations in load sharing between the...
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