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RISRehydration Model for Ultrahigh-Performance Concrete Matrix
Publisher: ASCE
Abstract: Unhydrated cementitious materials in ultrahigh-performance concrete (UHPC) with a low water-to-binder ratio stop hydrating owing to water shortage but continue hydrating after re-exposure to water; this phenomenon is ...
Degradation Law and Prediction Model of Elastic Modulus of High-Performance Concrete under Thermal Cycling
Publisher: American Society of Civil Engineers
Abstract: In this study, a thermal cycling method was proposed in the temperature range of 25°C–65°C to investigate the effect of thermal cycling on the elastic modulus of high-performance concretes (HPC40 and HPC60). In addition, ...
Adaptive Dynamic Surface Control for Integrated Missile Guidance and Autopilot in the Presence of Input Saturation
Publisher: American Society of Civil Engineers
Abstract: This paper considers integrated guidance and control system with input saturation for homing missiles based on the three channels independence design idea. An auxiliary system is first introduced into the integrated guidance ...
Location of Cities, Ruggedness of Terrain, and the Social Trust of Residents: Evidence from China
Publisher: ASCE
Abstract: This paper discusses how geographic features affect the level of social trust in a region. Using individual-level survey data from China with more than 40,000 observations, the authors find that social trust is higher in ...
Dynamically Identifying and Evaluating Key Barriers to Promoting Prefabricated Buildings: Text Mining Approach
Publisher: ASCE
Abstract: Prefabricated buildings (PBs) have been widely perceived as environmentally friendly buildings and advocated globally. In many countries, the promotion rate of PBs remains slow, hindered by various barriers. With the change ...
Input-Constrained Controller Design of Linear Time-Varying Systems Based on Piecewise State Estimation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Finite-time control problem of linear time-varying systems with input constraints is considered in this paper. Successive ellipsoidal approximations are used to estimate the state evolution of linear time-varying systems ...
Shear Capacity of T-Section Girders Made of Reactive Powder Concrete
Publisher: American Society of Civil Engineers
Abstract: This study reports the findings of an experimental investigation of the shear behavior of T-section reactive powder concrete (RPC) girders. A total of 12 large-scale girders, each having a depth of 5 mm, were produced to ...
Constitutive Model of Aluminum under Variable-Amplitude Cyclic Loading and Its Application to Buckling-Restrained Braces
Publisher: American Society of Civil Engineers
Abstract: Aluminum has been increasingly used in space, building, and other structures owing to its light weight and high durability. The cyclic plasticity of aluminum is of great importance for the design of aluminum structures in ...
Flexural Performance of Composite Prestressed UHPC-NC T-Girders
Publisher: ASCE
Abstract: Ultrahigh-performance concrete (UHPC) is increasingly recognized as being a better material in girders, and a composite prestressed UHPC-normal concrete (NC) girder is a better choice to be used for strengthening existing ...
Ensemble-Based Storm Surge Forecasting Models
Publisher: American Meteorological Society
Abstract: AbstractAccurate prediction of storm surge is a difficult problem. Most forecast systems produce multiple possible forecasts depending on the variability in weather conditions, possible temperature levels, winds, etc. ...