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Behaviour of retrofitted reinforced concrete beams under combined bending and torsion : A numerical study
torsion numerical study
2009/2/17
This paper presents the numerical study on unretrofitted and retrofitted reinforced concrete beams subjected to combined bending and torsion. Different ratios between twisting moment and bending momen...
When Old Meets New: Monitoring Load Sharing in a Concrete Building Extended Upwards
Monitoring Load Concrete Building
2009/1/15
To meet increased demand for office and residential space in developed cities, many sites are being redeveloped. This usually involves the demolition of existing structures and the building new higher...
Seismic Drift Demand and Capacity of Non-seismically Designed Concrete Buildings in Hong Kong
Non-seismically Designed Concrete Buildings
2009/1/15
This paper reviews the seismic engineering research conducted in Hong Kong with special emphasis on the prediction of the seismic drift demand and capacity of existing buildings which have not been de...
Modelling reinforced concrete structures subjected to impulsive loading using concrete lattice model
structures impulsive loading concrete lattice model
2009/1/14
A two-dimensional behavioral rate dependent lattice model (RDLM) capable of analyzing reinforced concrete members subjected to impulsive loading is presented. As a result of the impulsive loads reachi...
Flexural fatigue strength prediction of steel fibre reinforced concrete beams
steel fibre concrete beams
2009/1/14
Results of an investigation conducted to study the fatigue strength of steel fibre reinforced concrete (SFRC) containing fibres of mixed aspect ratio are presented. Approximately eighty one beam speci...
Characteristics of Concrete with Admixtures
Concrete Admixtures Superplasticizers Strength Durability
2010/8/18
In recent decades, tremendous success has been achieved in the advancement of chemical admixtures for Portland cement concrete. Most efforts have centered on improving the properties of concrete with ...
Present Stage of Gelivity Resistant Concrete Features
Concrete Freeze Thaw Admixtures Cement Mechanical Strength
2010/8/18
The characteristics of the concrete gelivity by imposing strictly conditions to the composition are studied. We observed the new forme structure so as components from cement stone, vulnerable at freez...
MESO-SCOPIC NUMERICAL ANALYSIS OF CONCRETE STRUCTURES BY A MODIFIE LATTICE MODEL
lattice model RC-structures heterogeneous material strong discontinuity
2008/12/30
Realistic simulation of the mechanical behavior of concrete and reinforced concrete structures is performed by using a lattice type numerical model. Five different types of lattice members with simpl...
PREDICTION METHOD FOR SEISMIC DAMAGE OF REINFORCED CONCRETE BRIDGE COLUMNS
bi-directional cyclic loading RC column members energy dissipation damage index
2008/12/29
This research aims to determine the effect of loading pattern on the damage of a reinforced concrete bridge column. Five specimens were tested with uni-directional or bi-directional cyclic loading pa...
Valorization of Drinking Water Treatment Sludges as Raw Materials to Produce Concrete and Mortar
Concrete drinking water sludge mortar valorization
2008/12/26
The purpose of this work was to assess the technical feasibility to valorize sludges, generated and stored at the Los Berros drinking water facility (PPLB), as raw material to produce building product...
EXPERIMENTAL STUDY OF REINFORCED CONCRETE BRIDGE PIERS SUBJECTED TO BI-DIRECTIONAL QUASI-STATIC LOADING
bi-directional cyclic loading RC column members plastic hinge zone length energy dissipation
2008/12/26
This research aims to determine the effect of loading pattern on the damage of a reinforced concrete bridge column. Five specimens were tested with uni-directional or bi-directional cyclic loading pa...
ULTIMATE STRENGTH OF T-SHAPED AND CROSS-SHAPED SOCKET JOINTS BETWEEN STEEL BEAM AND CONCRETE-FILLED STEEL TUBULAR COLUMN
concrete-filled steel tube joint ultimate strength cyclic loading diaphragm
2008/12/25
The authors have proposed an equation for estimating the ultimate strength of T-shaped socket joints. However, the effect of cyclic loading and external diagphragms, applicability to the cross-shaped ...
ULTIMATE STRENGTH OF T-SHAPED SOCKET JOINTS BETWEEN STEEL BEAM AND CONCRETE-FILLED STEEL TUBULAR COLUMN
concrete-filled steel tube joint ultimate strength shear connector diaphragm
2008/12/25
As a method of connecting two concrete-filled circular steel tubular constructions, a simple socket joint in which a small diameter tube is inserted with the specific length to a large diameter tube ...
COMPRESSIVE FAILURE MECHANISM OF DFORMED CONCRETE TUNNEL LININGS DUE TO A VERTICALLY CONCENTRATED LOAD
ground pressure cracking compressive behavior parabolic compressive softening model
2008/12/25
Concrete tunnels subjected to the ground pressure usually show a compressive failure mode. Moreover, due to an unbalanced soil constraint, deformed tunnels under an additional concentrated load will ...
湖南大学史才军教授应邀担任国际著名学术刊物《Cement and Concrete Composites》的编委
Cement and Concrete Composites 史才军教授 编委 水泥混凝土
2008/12/29
近日，湖南大学985首席科学家、博士生导师史才军教授分别收到《Cement and Concrete Composites》主编、美国加利福尼亚州立大学戴维师分校John Bolander教授以及Elsevier出版社的邀请，成为该刊物的编委。其中，John Bolander教授在其邀请信中热情洋溢的盛赞史才军教授的科学研究和社会工作能力已经证明其远能胜任这项工作。