Results 11 to 20 of about 20,991 (181)

Breaking the Boring Billion

open access: yesGeophysical Monograph Series, Page 487-501., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Charles W. Diamond   +3 more
wiley  

+2 more sources

Prediction of Ultimate Antifloating Force of Bored Piles in Urban Road Crossing Overpass

open access: yesGeofluids, 2022
As an effective antifloating measurement in underpass engineering, uplift piles have been widely employed in the antifloating design of underground structures, such as basements, underground roads, and underground shopping malls.
Zhang Minxia   +5 more
doaj   +1 more source

Research on uplift model test of single pile in sand [PDF]

open access: yesE3S Web of Conferences, 2021
This paper mainly uses the method of model test to study the ultimate uplift bearing characteristics of a single pile with different length-to-diameter ratios, mainly from the distribution laws of the uplift bearing capacity of the pile, the axial force ...
Huang Liuqing   +4 more
doaj   +1 more source

Shear critical R/C columns under increasing axial load [PDF]

open access: yes, 2020
Structural elements in old reinforced concrete (R/C) frame buildings are often prone to shear or flexure-shear failure, which can eventually lead to loss of axial load capacity of vertical elements and initiate vertical progressive collapse of a building.
Elwood   +14 more
core   +2 more sources

Uplift Bearing Capacity of Transmission Tower Foundation in Reinforced Aeolian Sand Using Simplified Model Tests

open access: yesAdvances in Civil Engineering, 2021
In order to analyze the uplift bearing capacity of transmission tower foundation in the geosythetic-reinforced aeolian sand, a series of simplified indoor modeling tests are carried out.
Shijun Ding   +5 more
doaj   +1 more source

Upper Bound Solutions for Uplift Ultimate Bearing Capacity of Suction Caisson Foundation

open access: yesChina Ocean Engineering, 2019
Suction caisson foundation derives most of their uplift resistance from passive suction developed during the pullout movement. It was observed that the passive suction generated in soil at the bottom of the caisson and the failure mode of suction caisson foundation subjecting pullout loading behaves as a reverse compression failure mechanism. The upper
Guo-liang Dai   +4 more
openaire   +2 more sources

Analysis of anchorage performance on new tension-compression anchorⅡ: model test

open access: yesYantu gongcheng xuebao, 2019
The new tension-compression composite anchor (TC-anchor) is developed to overcome the shortcomings of the traditional tensile-type anchor (T-anchor) and pressure-type anchor (C-anchor), such as stress concentration, insufficient bonding strength between ...
TU Bing-xiong 1, YU Jin 1, HE Jin-fang 1, CHENG Qiang 2, XU Guo-ping 3, JIA Jin-qin 4
doaj   +1 more source

A case study on the bearing characteristics of a bottom uplift pile in a layered foundation

open access: yesScientific Reports, 2022
The bottom uplift pile, which has been applied in practical projects, has the following advantages: the pile body is not easy to crack, good bearing characteristics, and small displacement of the pile top. Based on the bearing capacity test of foundation
Laping He   +7 more
doaj   +1 more source

Failure model of soil around enlarged base of deep uplift piles [PDF]

open access: yes, 2012
published_or_final_versio
Qian, QH, Xu, HF, Yue, QZQ
core   +1 more source

Modelling helical screw piles in clay and design implications [PDF]

open access: yes, 2013
Helical screw piles are a popular solution for relatively low-capacity, removable or recyclable foundations supporting road and rail signage or similar light structures.
Black, J.A., Hird, C.C., Stanier, S.A.
core   +1 more source

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