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Effect of Carbonation Mixing on CO2 Uptake and Strength Gain in Concrete
Publisher: American Society of Civil Engineers
Abstract: Concrete is well known for its capacity to sequester carbon dioxide (CO2) through carbonation curing. If carbonation mixing can be used to introduce CO2 during concrete mixing, the process is able to enhance the carbon ...
Unloading Behaviors of Shale under the Effects of Water Through Experimental and Numerical Approaches
Publisher: ASCE
Abstract: During tunnel excavations through shale formations in central and southwest China, engineering problems, such as large deformations and distorted arches, were encountered due to radial stress unloading and groundwater ...
A Large Range Compliant Nano-Manipulator Supporting Electron Beam Lithography
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Electron beam lithography (EBL) is an important lithographic process of scanning a focused electron beam (e-beam) to direct write a custom pattern with nanometric accuracy. Due to the very limited field of the focused ...
Research on the Characteristics and Evolution of Urban Spatial Structures under Complex Terrain Conditions: Taking 71 Typical Cities in China as an Example
Publisher: American Society of Civil Engineers
Abstract: In the past, research on urban spatial structure under complex terrain conditions has mostly remained at the level of analyzing a specific city and a single type of terrain, the limitations of the research scope and ...
Designing a Stiffener Layout that Resists the Wrinkling Behaviors of Sandwich Panels
Publisher: American Society of Civil Engineers
Abstract: Wrinkling is a typical failure mode of sandwich structures with thin skins, where the bending deformation of face skins occurs simultaneously in conjunction with transverse stretching deformation of core layer. To analyze ...
Failure Mechanism of Expansion Joints in a Suspension Bridge
Publisher: American Society of Civil Engineers
Abstract: Premature failure of expansion joints is a concern for bridge owners. After opening to traffic, the Jiangyin suspension bridge experienced frequent damage in expansion joints, and the problem remained unsolved even after ...
Discussion of “Safety Risk Identification and Assessment for Beijing Olympic Venues Construction” by Yu Sun, Dongping Fang, Shouqing Wang, Mengdong Dai, and Xiaoquan Lv
Publisher: American Society of Civil Engineers
A Novel Internal Model-Based Tracking Control for a Class of Linear Time-Varying Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper provides a novel method of constructing an internal model-based design of reference tracking and/or disturbance rejection for a class of linear time-varying plants with a known linear ...
Discussion of “ISO 14000 and the Construction Industry: Survey in China,” by S. X. Zeng, C. M. Tam, Z. M. Deng, and Vivian W. Y. Tam
Publisher: American Society of Civil Engineers