Results 41 to 50 of about 5,718 (166)

Shear behavior of externally prestressed UHPC beams without stirrups

, 2023
Shear stirrups in a prestressed ultra-high performance concrete (UHPC) beam might be eliminated due to the high tensile strength of UHPC. This research aims to investigate shear behavior of the externally prestressed UHPC beams without stirrups. Thirteen
Jiahui Feng, Peisen Li, Haibo Jiang, Xiangdong Sun, Yueqiang Tian, Jinpeng Wu   +5 more
core   +1 more source

Clade‐wide morphological and functional variation of the sauropsid columella

The Anatomical Record, EarlyView.
Abstract The columella (=stapes) is the middle ear bone of reptiles that transmits vibrations from the environment to the inner ear. It has been shown to exhibit extensive interspecific morphological disparity in several clades; however, its morphological variation and associated functional consequences remain poorly described.
John Peacock, Serjoscha W. Evers, Tiago R. Simões, Garth M. Spellman, Daniel J. Field   +4 more
wiley   +1 more source

Shear resistance and calculation method of GFRP-reinforced concrete beams with CFRP mesh fabric as shear reinforcement

Case Studies in Construction Materials
This paper presents the experimental data and model’s predictions on the shear performance of fiber reinforced polymer (FRP)-reinforced concrete (FC) beams with E-glass FRP (GFRP) longitudinal bars and carbon FRP mesh fabric (CFRP-MF) transverse stirrups.
Chenyang Feng, Chunhua Lu, Jinhui Wang, Hai Qian, Yongdong Yan   +4 more
doaj   +1 more source

Twin pregnancies and the limits of the energetics of gestation and growth hypothesis

The Anatomical Record, EarlyView.
Abstract The “Energetics of Gestation and Growth” (EGG) hypothesis proposes that human birth timing and the associated secondary altriciality of human newborns is determined by limits in maternal metabolic capacity. According to this model, labor is triggered when the increasing fetal energy requirements exceed the expectant mother's maximum sustained ...
Cédric Cordey, Nicole M. Webb, Martin Haeusler   +2 more
wiley   +1 more source

Late nomadic equestrian graves from the eastern Danubian plain and Dobrudzha

Приноси към българската археология, 2023
Presence of Late Nomads in the territory of the right bank of the Lower Danube is attested by both written and archaeological sources. The following article presents six graves with equestrian attributes from the 11th to 13th c. These graves either hold
Michal Holeščák
doaj   +1 more source

An experimental study on the shear strength of SFRC beams without stirrups [PDF]

, 2017
The use of steel fibers in reinforced concrete (RC) structural members aims at the improvement of mechanical properties of such members. This study focuses on shear strength characteristics of steel fiber reinforced concrete (SFRC) beams without stirrups.
Riza Secer Orkun Keskin, Ulusoy, S., Guray Arslan, Semih Ulusoy, ULUSOY, Semih, Keskin, R. S. O., Keskin, Rıza Secer Orkun, Arslan, G., ARSLAN, Güray   +8 more
core   +1 more source

Anatomy and variation in the paraphyletic Mosasaurus lemonnieri assemblage from the Craie phosphatée de ciply, Belgium

The Anatomical Record, EarlyView.
Abstract Nineteenth century excavations of the Ciply‐Malogne Phosphatic Chalk Formation in Hainaut, Belgium, yielded over 50 partial mosasaur skeletons, the majority of which were referred to the species Mosasaurus lemonnieri Dollo, 1889. In the years since, this taxon has experienced a complicated taxonomic history, and its exceptional hypodigm has ...
Henry S. Sharpe, Hallie P. Street‐Sampson, Takuya Konishi, Michael W. Caldwell   +3 more
wiley   +1 more source

Shear Reinforcement of Concrete Beams Using Iraqi Bamboo

Journal of Studies in Science and Engineering
Steel rebars require significant energy to produce and are prone to corrosion when exposed to ambient air. Therefore, Iraqi bamboo replaces steel stirrups and steel rebars in this research. Five reinforced concrete beams are tested using four-point load
Wrya Abdullah, Gashbin Abobakir Salih, Shanya Bahaadin Aziz   +2 more
doaj   +1 more source

Experimental Investigation on Shear Property of RC Beams with Aramid Fiber Mesh Stirrups

, 2011
This paper develops a new-typed high-durability RC structures in which the steel stirrups are replaced by mesh stirrups weaved with soft high performance fiber belt. The experiments are carried out to investigate the shear property of six beams with soft
Er Jun Wu, Jian Long Xing, Zhao Quan Zhu
core   +1 more source

Redescription of the cranial morphology of Amphisbaena braestrupi and Amphisbaena laurenti (Squamata: Amphisbaenidae) from the Pleistocene of Brazil using x‐ray computed tomography

The Anatomical Record, EarlyView.
Abstract Amphisbaenians (Squamata: Amphisbaenidae) are fossorial reptiles with highly specialized cranial morphology, yet their fossil record is frequently limited by fragmentary preservation. This study provides a detailed osteological redescription of the skulls of Amphisbaena braestrupi and Amphisbaena laurenti from the Pleistocene of Lagoa Santa ...
Carolina L. Paiva, Henrique C. Costa, Christy A. Hipsley   +2 more
wiley   +1 more source