Results 341 to 350 of about 463,070 (411)

Discovery of Late Holocene‐aged Acropora palmata reefs in Dry Tortugas National Park, Florida, USA: The past as a key to the future?

The Depositional Record, EarlyView.
Emblematic of global coral‐reef ecosystem decline, the coral ecosystem‐engineer Acropora palmata is now rare throughout much of the western Atlantic. We report for the first time, a significant record of late‐Holocene A. palmata populations that existed from ~4500 to 375 years before present in the Dry Tortugas, FL, USA.
Anastasios Stathakopoulos, Lauren T. Toth, Alexander B. Modys, Selena A. Johnson, Ilsa B. Kuffner   +4 more
wiley   +1 more source

Characteristics of wetting behavior under unloading in natural granite residual soil. [PDF]

Sci Rep
Yin S, Huang J, Li X, Sun Y, Li Y, Zhang X.   +5 more
europepmc   +1 more source

Failure modes and interaction mechanisms of tunnel under active landslide conditions. [PDF]

Sci Rep
Zhou W, Fan J, Qiu S, Zhang Y.
europepmc   +1 more source

Equivalent elastic model of splitting grouting reinforcement in weak strata. [PDF]

Sci Rep
Liu Q, Deng J, Liu L, Ye S, Duan S, Shao C, Zhu G.   +6 more
europepmc   +1 more source

Monitoring Excavation-Induced Deformation of a Secant Pile Wall Using Distributed Fiber Optic Sensors. [PDF]

Sensors (Basel)
Hong C, Xu C, Chen W, Liu J, Tan J.
europepmc   +1 more source

Exploring DNA degradation in situ and in museum storage through genomics and metagenomics. [PDF]

Commun Biol
Eriksen AMH, Rodríguez JA, Seersholm F, Hollund HI, Gotfredsen AB, Collins MJ, Grønnow B, Pedersen MW, Gilbert MTP, Matthiesen H.   +9 more
europepmc   +1 more source

Theoretical analysis of bearing mechanism and engineering application of pipe roof in a highway tunnel. [PDF]

Sci Rep
Zhang J, Sun W, Yan S, Wang Y, Zhu H, Wang W.   +5 more
europepmc   +1 more source

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A probabilistic deep reinforcement learning approach for optimal monitoring of a building adjacent to deep excavation

Comput. Aided Civ. Infrastructure Eng., 2023
During a deep excavation project, monitoring the structural health of the adjacent buildings is crucial to ensure safety. Therefore, this study proposes a novel probabilistic deep reinforcement learning (PDRL) framework to optimize the monitoring plan to
Yue Pan, J. Qin, Limao Zhang, W. Pan, Jinjian Chen   +4 more
semanticscholar   +1 more source

Simplified method for evaluating the response of existing tunnel induced by adjacent excavation

International journal for numerical and analytical methods in geomechanics (Print), 2022
Adjacent excavation may have a negative influence on the existing tunnel underneath. Thus, it is important to evaluate the response of the tunnel due to adjacent excavation.
Guohui Feng, Changjie Xu, Luju Liang, Ming‐wang Tey, M. Chi, S. Ge   +5 more
semanticscholar   +1 more source

Analytical Solution for Lined Circular Tunnels in Deep Viscoelastic Burgers Rock Considering the Longitudinal Discontinuous Excavation and Sequential Installation of Liners

, 2021
Tunneling stoppage often occurs during tunnel construction, especially in weak and rheological ground.
Zhaofei Chu, Zhijun Wu, Quansheng Liu, Baoguo Liu, Jinglai Sun   +4 more
semanticscholar   +1 more source