...Qinglong Zhang; Yanwen Zhu; Chuping Wu; Lan Qiao; Huahai Wu; Ren Liu; Wang Guo The compaction quality is critical to the stability and durability of highway subgrades. Currently, there is a clear lack of research on the specific application effects of roller-integrated compaction monitoring (RICM...

...Weidong Liu; Xing Gong; Ying Gao; Limin Li To investigate microscopic characteristics of the field compaction of asphalt pavement, a three-dimensional (3D) compaction model of asphalt pavement considering morphological characteristics of aggregate and temperature effect was established...

...Z.-H. Nie; T. Jiao; X. Wang; T. Qiu The average degree and uniformity of compaction are two important aspects of continuous compaction control. This paper presents the development and assessment of two new indices for evaluating the average degree and uniformity of field compaction. The proposed...

..., there is some uncertainty regarding how this composite material is classified. In this study, the material characterization of FDR was explored by comparing the effect of different compaction methods on the optimum moisture content, optimum amount of foamed asphalt or asphalt emulsion, the tensile strength...

..., and it was similar to the weight loss observed in the uncontaminated CL soil. The maximum dry density of compacted soil decreased and the optimum moisture content increased with 4 % of calcium sulfate. The addition of 4 % calcium sulfate increased the free swelling of compacted soil by 67 %. The addition of 6 % lime...

... the compaction process. The digital specimen of aggregate mixture with the same gradation and shape characteristics of real aggregates was developed. Specimen were compacted with static pressure in PFC3D. The axial stress on particles, average motion displacement range (AMDR), and translational velocity of each...

...Katarzyna Zabielska-Adamska; Maria J. Sulewska Earth structures require appropriate soil compaction, commonly assessed using the Proctor methods. In the case of cohesive soil and fly ash, whose permeability and mechanical properties depend on moisture content at compaction, compaction degree...

.... This study provides a comparison of the effects of a non-uniform state of stress and anisotropy. These effects are isolated by comparing specimens prepared by Superpave gyratory compaction and vibratory steel-wheel compaction. The comparisons are verified using four 12.5-mm surface course mixtures...

...Jiunnren Lai; Shengmin Wu; Chih-Hung Chiang In engineering practices, sand-cone tests are usually performed to assess the compaction quality of backfilled materials of highway embankments or earth dams. However, performing the sand-cone test is time consuming and can only obtain the physical...

...Jason T. Harris; Albert E. Segall; John R. Hellmann; Barry E. Scheetz; Ryan P. Koseski; Joshua M. Boyce The compaction and fracture of brittle spherical particles in a cylindrical vessel were experimentally and numerically studied in the context of the American Petroleum Institute Recommended...

... variation is observed to depend upon the particle size distribution and pozzolanic nature of fly ash. The study indicates that addition of fly ash increases the CBR of BC soil significantly. 15 08 2002 05 05 2003 California bearing ratio fly ash black cotton soil compaction pozzolanic...

... Material in Embankments ,” Fourth International Symposium on Environmental Geotechnology and Global Sustainable Development , Massachusetts . IS: 2720 (Part 7)—1980: “ Methods of Test for Soils: Part 7, Determination of Water Content-Dry Density Relation Using Light Compaction ,” Bureau of Indian...

... investigations have been carried out to demonstrate the effect of zeolitization of the ash on its geotechnical properties such as its compaction, consolidation, and permeation characteristics. Such a study is required for bulk utilization of the ash (as a fill material) where compaction, consolidation...

... to achieve target density improved as the QC/QA program was implemented, but there remained a consistent inability to achieve the target compaction level. Analysis of the significance of differences between AHD and contractor measurements was inconclusive, but AHD density measurements were consistently lower...

... (extensibility) are compared for various concrete densities. Production control of the physical properties of block concrete are described and recommendations for future research and change of ASTM requirements are listed. extensibility tensile strength modulus of elasticity block concrete compaction...