Journal ArticleDOI
Study on the mechanical properties of polyurethane (PU) grouting material of different geometric sizes under uniaxial compression
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In this article, the effects of density, side length (l), and height to side length ratio (H/l) of the samples on the mechanical properties of PU grouting materials were analyzed.About:
This article is published in Construction and Building Materials.The article was published on 2020-10-30. It has received 58 citations till now.read more
Citations
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Super-absorbent swellable polymer as grouting material for treatment of karst water inrush
Shucai Li,Shucai Li,Chenyang Ma,Rentai Liu,Rentai Liu,Chen Mengjun,Jia Yan,Zhenjun Wang,Duan Shaolong,Huasheng Zhang +9 more
TL;DR: In this paper, a new type of polymer grouting material with an excellent expansion ratio was synthesized, which is composed of a superabsorbent polymer (SAP), glycerol, and ethanol.
Journal ArticleDOI
Enhanced toughness of ultra-fine sulphoaluminate cement-based hybrid grouting materials by incorporating in-situ polymerization of acrylamide
TL;DR: In this paper, the effects of acrylamide addition on the fluidity, setting time, mechanical properties, and microstructure evolution of SCGM were systematically investigated, and the results indicated that the addition of ACRYLIDE significantly improved the toughness.
Journal ArticleDOI
A cleaner polyurethane elastomer grouting material with high hardening strain for the fundamental rehabilitation: The comprehensive mechanical properties study
Hong Qiang Fang,Peng Zhao,Chao Zhang,Wang Pan,Zisen Yu,Kun Cai,Cui Cui Wang,Juan Wang,Mingrui Du,Wei He,Rui-tao Zhao,Nan Deng +11 more
TL;DR: In this article , a new cleaner polyurethane elastomer (PUE) grouting material with high hardening strain is proposed in order to provide a better choice for the fundamental rehabilitation.
Journal ArticleDOI
Effects of water content on shear properties of bentonite–polymer composite structure
TL;DR: In this article, the authors investigated the conditions which lead to structural failure at the soil-structure interface under shear action and investigated the strain and displacement of bentonite-polymer specimens at various moisture contents.
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Influence of different corrosion environments on mechanical properties of a roadbed rehabilitation polyurethane grouting material under uniaxial compression
TL;DR: In this article, the structural properties of roadbed rehabilitation polyurethane (PU) grouting materials subjected to different chemical corrosion were analyzed, and the statistical damage constitutive model under the coupling effects of chemical corrosion and the external load was established.
References
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Cellular Solids: Structure and Properties
Lorna J. Gibson,Michael F. Ashby +1 more
TL;DR: The linear elasticity of anisotropic cellular solids is studied in this article. But the authors focus on the design of sandwich panels with foam cores and do not consider the properties of the materials.
Journal ArticleDOI
Size Effect in Blunt Fracture: Concrete, Rock, Metal
TL;DR: In this article, the authors studied the structural size effect of fracture in concrete and rock structures, using dimensional analysis and illustrative examples, and showed that the energy release caused by fracture depends on both the length and the area of the crack band.
Journal ArticleDOI
Electrospinning of polyurethane fibers
TL;DR: In this article, a segmented polyurethaneurea based on poly(tetramethylene oxide)glycol, a cycloaliphatic diisocyanate and an unsymmetrical diamine were prepared.
Journal ArticleDOI
Saint-Venant's Principle
TL;DR: In this paper, the elastic equivalence of statically equivalent systems of load, or Saint-Venant's Principle, is given a precise mathematical formulation and proof. And the results are compared with previous mathematical work on the principle.
Journal ArticleDOI
Molecular dynamics simulations of deformation mechanisms of amorphous polyethylene
TL;DR: In this article, molecular dynamics simulations were used to study deformation mechanisms during uniaxial tensile deformation of an amorphous polyethylene polymer, and the energy contributions from the united atom potential were calculated as a function of strain to help elucidate the inherent deformation mechanism within the elastic, yield, and strain hardening regions.