Results 251 to 260 of about 11,618 (311)

Experimental and numerical investigations on the bond-slip behavior of the interface between geopolymer concrete and steel tube. [PDF]

Sci Rep
Hai R, Ma Z, Chen X, Cao Y, Zhang J, Hui C.   +5 more
europepmc   +1 more source

Flexural Behavior of Steel-FRP Composite Bars (SFCB)-Reinforced Concrete Beams: FEA Incorporating Bond-Slip Effects. [PDF]

Materials (Basel)
Bi C, Xu S, Ling Y, Zhong Y, Hong L, Cai Y.   +5 more
europepmc   +1 more source

Optimum Mix Design and Correlation Analysis of Pervious Concrete. [PDF]

Materials (Basel)
Lu F, Yang L, Jiang Y.
europepmc   +1 more source

A Critique of the United States Income and Product Accounts [PDF]

Morris A. Copeland
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Study on aggregate interlock behavior of pre-cracked recycled aggregate concrete without stirrups

Journal of Building Engineering, 2021
Abstract In this study, experiments on pre-cracked push-off specimens without stirrups were conducted to analyze the aggregate interlock behavior of recycled aggregate concrete (RAC). The major variables considered in this study were the surface roughness, recycled coarse aggregate (RCA) replacement ratio, concrete strength, aggregate particle size ...
Chang Sun, Qiuyi Chen, Jianzhuang Xiao, Weiyang Ge   +3 more
openaire   +1 more source

Nonlinear aggregate interlock model for concrete pavements

International Journal of Pavement Engineering, 2006
The objective of the study was to develop a constitutive model that captures the nonlinear behavior of shear load transfer through aggregate interlock. A stepwise linear model was proposed. The model parameters were determined by optimizing numerically predicted to experimentally measured slab deflection basins.
E. A. Jensen, W. Hansen
openaire   +1 more source

Lattice modeling of aggregate interlocking in concrete

International Journal of Fracture, 2012
In this paper, we study a mixed-mode fracture process using a conventional two dimensional lattice model with incorporated meso-level internal material structure. Simple elasto-brittle elements of the network are divided into three phases according to a projected grain layout. The stiffness of any element that fulfils a failure criterion is removed. As
Jan Eliáš, Henrik Stang
openaire   +1 more source

Experimental investigation on aggregate interlocking concrete prepared with scattering–filling coarse aggregate process

Construction and Building Materials, 2010
To secure good flowability and segregation resistance of the fresh concrete mixture, the volume fraction of the coarse aggregate in the conventional plastic concrete is controlled at a relatively low level. A new type of coarse aggregate interlocking concrete was prepared with a new invented concrete placing method named as scattering–filling aggregate
Weiguo Shen, Rui Dong, Jiasheng Li, Mingkai Zhou, Wei Ma, Jin Zha   +5 more
openaire   +1 more source

Geogrid-Aggregate Interlock Mechanism Investigated through Aggregate Imaging-Based Discrete Element Modeling Approach

International Journal of Geomechanics, 2012
Geogrids are commonly used in road construction for stabilization and reinforcement purposes. Factors affecting the interaction or interlock mechanisms between geogrids and aggregates may include, but are not limited to, aggregate size and shape and geogrid types and properties.
Erol Tutumluer, Hai Huang, Xuecheng Bian
openaire   +1 more source

Fracture analysis of aggregate interlock jointed slabs-on-grade

Construction and Building Materials, 2015
Abstract This paper discusses finite element analysis of crack propagation in pavement slabs-on-grade with aggregate interlock joints, using the finite element package ABAQUS ®6.9-2. The fracture process is idealized using nonlinear fracture mechanics approach implemented through cohesive elements. Load transfer at the joint is achieved by aggregate
Temesgen W. Aure, Anastasios M. Ioannides   +1 more
openaire   +1 more source