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The influence of hand hole on the ultimate strength and crack pattern of shield tunnel segment joints

Shaochun WANG, Xi JIANG, Yun BAI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5, Pages 1200-1213 doi: 10.1007/s11709-019-0546-2

Abstract: The segment joint with MSSF shows higher ultimate bearing capacity and toughness compared to segment

Keywords： shield tunneling structural synthetic fiber concrete hand hole segment joint ultimate bearing capacity

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An experimental study on the flexural behavior of heavily steel reinforced beams with high-strength concrete

Yasser SHARIFI, Ali Akbar MAGHSOUDI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1, Pages 46-56 doi: 10.1007/s11709-014-0237-y

Abstract: In recent years, an emerging technology termed high-strength concrete (HSC) has become popular in constructionPresent study describes an experimental research on the behavior of high-strength concrete beams in ultimateTests are reported in this study on the flexural behavior of high-strength reinforced concrete (HSRC)The ultimate moment for the tested beams was found to be in a good agreement with that of the predictedultimate moment based on ACI 318-11, ACI 363 and CSA-04 provisions.

Keywords： high-strength concrete (HSC) members flexural behavior reinforced concrete experimental results ultimate

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The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4, Pages 456-461 doi: 10.1007/s11709-016-0334-1

Abstract: The relationship between the convexity on the ultimate bearing surface of a structure and the second-orderwhen the Hessian matrix composed of the second-order partial derivatives on the hypersurface about the ultimatecapacity state of a complex structure can be made on the basis of several points on the surface of the ultimate

Keywords： service limit load ultimate bearing surface convexity generalized force generalized displacement frame

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Behavior of Concrete Under the Triaxial Compression

Yan Dongming,Lin Gao

Strategic Study of CAE 2007, Volume 9, Issue 6, Pages 64-70

Abstract: of 0, 4 MPa, 8 MPa, 12 MPa and 16 MPa respectively were conducted to investigate the deformation and strengthBased on the test results it was revealed that the ultimate strength increases dramatically with thethe increasing minor principal stresses, the enhancement effect of middle principal stresses on the ultimatestrength became weak. By comparison with the current literature, appropriate formulas of concrete strength and

Keywords： triaxial stress state confining pressure ultimate strength deformation concrete

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Stability analysis of large diameter thin-walled tube beam-columns

PAN Hanming, GUO Yanlin, LIANG Shuo, PEI Shengxing, LIANG Weisheng, WANG Lewen

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2, Pages 123-132 doi: 10.1007/s11709-008-0017-7

Abstract: Test results for deformations and ultimate strength are found to be in a good agreement with the corresponding

Keywords： ultimate strength nonlinear numerical analytical diameter thin-walled practice

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Characterization of the tensile properties of friction stir welded aluminum alloy joints based on axial force, traverse speed, and rotational speed

Biranchi PANDA,A. GARG,Zhang JIAN,Akbar HEIDARZADEH,Liang GAO

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3, Pages 289-298 doi: 10.1007/s11465-016-0393-y

Abstract: Experimental investigations are necessary to understand the physical behavior that causes the high tensile strengthTherefore, this study introduces the experimental procedure for measuring tensile properties, namely, ultimatetensile strength (UTS) and tensile elongation of the welded AA 7020 Al alloy.

Keywords： tensile properties ultimate tensile strength tensile elongation friction stir welding tool rotational

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Numerical investigation of the ultimate lateral resistance of piles in soft clay

Konstantinos P. TZIVAKOS,Michael J. KAVVADAS

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2, Pages 194-200 doi: 10.1007/s11709-014-0251-0

Abstract: Soil conditions simulating normally consolidated clays are examined—undrained shear strength increasingThe determination of the ultimate soil resistance from the results of the finite element analyses aimsat providing the estimation of a range of values for the ultimate soil resistance coefficient with

Keywords： laterally loaded pile soft clay p?y curves finite element method (FEM)

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Parametric analysis and design equation of ultimate capacity for unstiffened overlapped CHS K-joints

CHEN Yu, ZHAO Xianzhong, CHEN Yiyi

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2, Pages 107-115 doi: 10.1007/s11709-008-0014-x

Abstract: unstiffened, overlapped circular hollow structure (CHS) K-joints was generated and validated by comparing the ultimategeometric parameters, with or without hidden welds, and the loading hierarchy reversal of braces on the ultimateindicate that the brace-to-chord thickness ratio has relatively large effects on the failure mechanism and ultimateIt was also found that the absence of hidden welds has less significance on the ultimate capacity ofFinally, based on the design equation of gap joints, a formula predicting the ultimate capacity of overlapped

Keywords： regression analysis consistent unstiffened plasticity overlapped

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Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4, Pages 1016-1024 doi: 10.1007/s11709-021-0751-7

Abstract: investigated the use of recycled tire-derived aggregate (TDA) mixed with kaolin as a method of increasing the ultimate

Keywords： kaolin physical modeling tests stabilization numerical modeling

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Evaluating the material strength from fracture angle under uniaxial loading

Jitang FAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2, Pages 288-293 doi: 10.1007/s11709-018-0480-8

Abstract: The most common experimental methods of measuring material strength are the uniaxial compressive andCompressive strength is higher than tensile strength for a material.In this work, a unified relation of material strength under uniaxial compression and tension is developedThis constitutive relation is quantitatively illustrated by a function for analyzing the material strengthIt is full of interest to give a scientific illustration for designing the high-strength materials and

Keywords： strength fracture mechanics

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The effects of interfacial strength on fractured microcapsule

Luthfi Muhammad MAULUDIN, Chahmi OUCIF

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2, Pages 353-363 doi: 10.1007/s11709-018-0469-3

Abstract: The effects of interfacial strength on fractured microcapsule are investigated numerically.attention is given to the effects of cohesive fracture on the microcapsule interface, namely fracture strengthmicrocapsule, the load carrying capacity of self-healing material under tension increases as interfacial strengthIn addition, given the fixed fracture strength of the interface of microcapsule shell, the higher the

Keywords： interfacial strength cohesive elements microcapsule core-shell thickness ratio fracture properties

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Effect of loading rate on shear strength parameters of mechanically and biologically treated waste

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1595-7

Abstract:

● Mechanical behavior of MBT waste affected by loading rate was investigated.

Keywords： Mechanically and biologically treated waste Landfill Triaxial test Loading rate Axial strain Shear strength

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The strength–dilatancy characteristics embraced in hypoplasticity

Zhongzhi FU, Sihong LIU, Zijian WANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2, Pages 178-187 doi: 10.1007/s11709-013-0191-0

Abstract: The strength-dilatancy characteristics of frictional materials embraced in the hypoplastic model proposedThe flow rule, the failure state surface equation and the strength-dilatancy relationship embraced inThe performance of the two hypoplastic models in reproducing the relationship between the peak strengthNumerical investigations show that the performance in reproducing the strength-dilatancy relationship

Keywords： strength dilatancy hypoplasticity frictional materials

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Slender reinforced concrete shear walls with high-strength concrete boundary elements

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1, Pages 138-151 doi: 10.1007/s11709-022-0897-y

Abstract: advancements in the field of concrete materials over the past few decades, concrete mixes of high compressive strength, commonly referred to as high-strength concrete (HSC), have been developed.The finite-element model of a conventional normal-strength concrete (NSC) prototype wall was validatedThe HSC wall exhibited improved strength and stiffness, and thereby, allowed reduction in the longitudinalreinforcement area and size of the boundary elements for the same strength of the conventional wall.

Keywords： slender walls high-strength concrete rectangular and barbell-shaped walls cold joints

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Effect of environment change on the strength of cement/lime treated clays

Takenori HINO, Rui JIA, Seiji SUEYOSHI, Tri HARIANTO

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2, Pages 153-165 doi: 10.1007/s11709-012-0153-y

Abstract: The mechanism of the ground environment change and its effect on the strength of cement/lime treatedThe strength development of improved soil using cement and lime in different curing environments wasinvestigated in the laboratory for studying the effect of environment change on the strength also.It has been found that the strength deterioration of improved soil in deep mixing method is due to 1)When examining the long-term strength for preventing strength degradation, the effect of environmental

Keywords： soil solidification ground environment strength deterioration pH oxidation-reduction potential (ORP)