Results 61 to 70 of about 27,602 (238)

Creep properties and constitutive model of diabase in deep water conveyance tunnels

Deep Underground Science and Engineering, EarlyView.
The axial and lateral creep characteristics of diabase were analyzed based on compression creep tests. The nonlinear viscoelastic‐plastic model capable of describing the whole creep process was established based on the fractional derivative and damage theories.
Zhigang Tao, Pengxiao Guan, Xiaojie Yang, Keyuan Liu, Mingjiu Cai, Hong Yang   +5 more
wiley   +1 more source

Stabilization of Problematic Silty Sands Using Microsilica and Lime

The Baltic Journal of Road and Bridge Engineering, 2015
In this study, to stabilize problematic silty sand soils, Microsilica-Lime admixture was used as an additive. Various samples containing 0, 1, 2, 5, 10 and 15% (by weight) Microsilica and 0, 1, 3 and 5% (by weight) Lime were prepared.
Ali Ghorbani, Hadi Hasanzadehshooiili, Masoud Karimi, Younes Daghigh, Jurgis Medzvieckas   +4 more
doaj   +1 more source

Frozen Soil Lateral Resistance for the Seismic Design of Highway Bridge Foundations [PDF]

, 2012
INE/AUTC 12 ...
Ge, Xiaoxuan, Paris, Anthony, Still, Benjamin, Yang, Zhaohui “Joey”   +3 more
core  

Impact Strength Of Glass And Glass Ceramic [PDF]

, 2009
Strength of glass and glass ceramic was measured with a bar impact technique. High-speed movies show regions of tensile and compressive failure. The borosilicatc glass had a compressive strength of at least 2.2 GPa, and the glass ceramic at least 4 GPa ...
Bless, S., Tolman, J.
core   +1 more source

Dynamic tensile strength and fracture evolution of characteristic shale with bedding and hole using linear regression theory

Deep Underground Science and Engineering, EarlyView.
The spiral conical perforations generated during methane in situ explosion fracturing operations lead to tensile fracture propagation in shale reservoirs being governed by the combined effects of impact pressure, bedding, and aperture under explosive loading. Using multiple regression analysis and digital image correlation technology, the mechanisms of
Yabo Chai, Ning Luo, Jianan Zhou, Haohao Zhang, Penglong Li, Yu Wang, Cheng Zhai, Tianran Ma   +7 more
wiley   +1 more source

Kemudahan, sikap dan kemahiran teknologi maklumat dan komunikasi (TMK) dalam kalangan guru-guru program pendidikan khas sekolah mengengah teknik di Malaysia [PDF]

, 2009
Kajian ini dijalankan bertujuan untuk mengenal pasti sejauh mana kemudahan Teknologi Maklumat dan Komunikasi (TMK) yang disediakan di sekolah dapat membantu perlaksanaan penggunaannya dalam pengajaran dan pembelajaran, mengenal pasti sikap guru-guru ...
Amiruddin, Mohd Hasril
core  

Mechanistic insights across curing regimes for enzymatic and biopolymer‐optimized reinforcement in rock masses

Deep Underground Science and Engineering, EarlyView.
This study examines the effects of curing temperature on the mechanical behavior of underground rock masses treated with enzyme‐induced calcite precipitation (EICP) and an innovative biopolymer‐modified EICP (BP‐EICP). Abstract Biocementation is an innovative and sustainable technique for reinforcing weak and weathered rock masses in natural and ...
Mary C. Ngoma, Oladoyin Kolawole
wiley   +1 more source

Strength and Pore Structure Development of High-Plasticity Clay Treated with MK-Blended Cement

Advances in Civil Engineering, 2019
This paper focuses on the strength development and pore structure evolution of high-plasticity clay mixtures treated with metakaolin- (MK-) blended ordinary Portland cement (OPC).
Qian Guo, Mingli Wei, Haochen Xue, Changhui Gao, Guangyin Du   +4 more
doaj   +1 more source

Finite Element Modelling of Rocking and Hybrid Precast Walls under Seismic Loading

Earthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT In recent years, self‐centring systems have received considerable research interest in the seismic design of precast concrete structures for their ability to limit damage and satisfy resilience requirements. Rocking and hybrid structural walls, characterised by the formation of a single gap at the wall–foundation interface, mitigate damage by ...
Andrea Belleri, Michele E. Bressanelli, Simone Labò, Jose I. Restrepo   +3 more
wiley   +1 more source

Roles of corn starch and gellan gum in changing of unconfined compressive strength of Shanghai alluvial clay

Science and Engineering of Composite Materials
This article aims to study the effects of corn starch and gellan gum (gellan glue) on the unconfined compressive strength of alluvial soft clay in Shanghai.
Jili Qu, Weiqing Qu, Guangping Li, Maimait Naman, Mengqing Zhang, Jinrui Cheng, Shouqian Wang, Jingyuan Yin   +7 more
doaj   +1 more source