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Rational permeability coefficient of a permeable lining for composite tunnel lining structures
tunneling engineering deeply-buried tunnel composite lining structure concrete permeable lining grouting circle parameter permeability coefficient reasonable value
2018/5/11
Various factors influence the tunneling are simplified considering the axial symmetry of the composite lining structure. The analytical expressions for the seepage field，stress，and displacement in the...
Evaluation of Canal Lining Projects in the Lower Rio Grande Valley of Texas - 2011 Ratings and Analysis
Evaluation Canal Lining Projects Lower Rio Grande Valley of Texas Ratings Analysis
2013/9/10
Since 1999, nine (9) irrigation districts in the Hidalgo, Cameron, Willacy and Maverick Counties have installed nine (9) different types of synthetic canal lining materials, totaling approximately 26 ...
Research on Dynamic Response of Underground Circular Lining Tunnel under the Action of P Waves
Circular Lining Tunnel Dynamic Stress Concentration Earthquake Dynamic Response P Waves Series Solution
2011/12/22
Dynamic stress concentration of tunnels and underground engineers under the action of earthquake waves is a fundamental problem. Selecting circular lining tunnel in semi-infinite space under the actio...
Water Pressure Numerical Analysis of Lining Structure in Mountain Tunnel
Lining Mountain Tunnel Numerical Analysis Seepage Water Pressure
2011/12/20
It is hard to control the high pressure water in mountain tunnel construction. Distribution of seepage field, stress field and displacement field of tunnel are analyzed by numerical method with equiva...
Mechanical Analysis on Secondary Lining Damaged by Local Load under Earthquake
Local Load Mountain Tunnel Secondary Lining Seismic Damage Mechanism Wenchuan Earthquake
2011/12/16
Secondary lining of Longxi mountain tunnel damaged seriously during Wenchuan earthquake. To interpret the seismic failure reasons about secondary lining, the analysis adopts mechanical calculation and...
Full-Ring Experimental Study of the Lining Structure of Shanghai Changjiang Tunnel
Shield-driven tunnel lining structure full-scale test load apparatus.
2014/4/10
Shanghai Changjiang Tunnel, 15 m in diameter, is one of the world’s largest shield-driven tunnels in diameter. Tongji University has recently carried out a test on the full-scale three-ring lining str...
Dynamic viscoelastic properties of experimental silicone soft lining materials
Dynamic viscoelastic properties Silicone elastomer
2010/11/29
The purpose of this study was to evaluate the dynamic viscoelastic properties of experimental silicone soft lining materials, Silastic® MDX 4-4210 reinforced with silica fillers. Storage modulus (...
Comparative effects of two different artificial body fluids on Candida albicans adhesion to soft lining materials
Adhesion Candida albicans Denture soft lining materials
2010/11/26
This study investigated the C. albicans adhesion to cold- and heat-polymerized soft lining materials that were initially incubated in two different artificial body fluids, namely saliva and nasal secr...
The Effects of Drainer Formworks With Sucker Lining on The Concrete Surface Properties
Concrete Formwork Lining
2009/10/14
In this research, the alternative formworks which are without lining and which are with sucker liningdrainer are produced. On the concrete blocks which are casted in formworks; blowhole on the surface...
Influence of Elasticity on Gap Formation in a Lining Technique with Flowable Composite
Flowable composite Elastic modulus Gap formation
2009/9/14
The purpose of this study was to investigate the effect of flowable composites as liners for direct composite restorations, with key focus on the elastic moduli of flowable and condensable composites....
The Effect of Different Solutions on the Bond Strength of Soft Lining Materials to Acrylic Resin
Soft lining material Bond strengt Denture cleanser
2009/9/14
In this study, we investigated the effect of different solutions - coffee, tea, Turkish coffee, artificial saliva, mouthwash, denture cleanser, and distilled water - on the bond strength of soft linin...
Color Change Evaluation of Denture Soft Lining Materials in Coffee and Tea
Liner Color Roughness
2009/9/14
This study evaluated the color stability of soft denture liners after being exposed to coffee and tea solutions for different time periods. Four soft denture liners and a denture base polymer were tes...
Effects of adding methacrylate monomers on viscosity and mechanical properties of experimental light-curing soft lining materials based on urethane (meth)acrylate oligomers.
Soft lining material Mechanical property Urethane oligomer
2009/9/14
We investigated the viscosity and mechanical properties of experimental light-curing soft lining materials based on six commercially available urethane (meth)acrylate oligomers. The viscosities of the...
Mechanical properties and cytotoxicity of experimental soft lining materials based on urethane acrylate oligomers
Soft lining material Mechanical property Cytotoxicity
2009/9/11
The purpose of this investigation was to determine whether experimental light-curing soft lining materials (ESLMs) based on commercially available urethane acrylate oligomers (UA-160TM, UV-3200B, UV-3...
Effects of the Lining on Comfort and Configuration of Semi-Flared Skirt
semi-flared skirt lining fabric lining pattern motion analysis configuration of skirt comfort
2009/8/18
The effects of the lining on semi-flared skirts were investigated for wearing evaluation and observation of the hemline. We tested six skirts with two different types of lining cutting patterns combin...