Results 91 to 100 of about 2,247 (221)

Precast Concrete Panel Thickness for Epoxy-Coated Prestressing Strands, HR-353, Interim Report, 1994 [PDF]

open access: yes, 1994
A recommended minimum thickness for prestressed concrete (P/C) bridge deck panels containing 3/8-in. diameter, 270-ksi, low-relaxation, grit-impregnated, epoxy-coated prestressing strands is being evaluated by testing prototype panel specimens.

core  

Sugar storage tank [PDF]

open access: yes, 2015
Předmětem diplomové práce je statický návrh a posudek předpjatého sila na 50000t cukru. Zpracován je výpočtový model ocelové střešní konstrukce a jeho působení na konstrukci sila. Je stanoveno zatížení od uskladněného cukru. Je proveden optimální návrh a
Kotík, Libor
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Seismic Behaviour of Cable-Stayed Bridges: A Review [PDF]

open access: yes, 2018
Cable-stayed bridges represent backbones in the infrastructure networks and their adequate seismic response must be ensured. These structures present complex interactions between the deck, the cables, the towers and their foundation. This, in combination
Aguglia   +32 more
core   +1 more source

CONCEPTUAL DESIGN OF BOWSTRING BRIDGES WITH STRESS RIBBON TIE [PDF]

open access: yes, 2011
In this paper the conceptual design of tied-arch bridges is examined. A proposal for a particular kind of bowstring bridges, with an upper deck and a stress ribbon footbridge placed between the arch footings is discussed. The double structure allows to
GRANATA, Michele Fabio
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Efficiency of different techniques in flexural strengthening of RC beams under monotonic and fatigue loading [PDF]

open access: yes, 2012
In the context of flexural strengthening of concrete structures, fiber reinforced polymers (FRP) have been used mostly by two main techniques: Externally Bonded Reinforcement (EBR) and Near-Surface Mounted (NSM). Both strengthening techniques are applied
Barros, Joaquim A. O.   +3 more
core   +1 more source

Exploring the feasibility of prestressed anchor cables as an alternative to temporary support in the excavation of super-large-span tunnel

open access: yesRailway Engineering Science
Excavating super-large-span tunnels in soft rock masses presents significant challenges. To ensure safety, the sequential excavation method is commonly adopted. It utilizes internal temporary supports to spatially partition the tunnel face and divide the
Shunhua Zhou   +5 more
doaj   +1 more source

Stability analysis method for anchored slopes considering stress dispersion effect in sliding mass due to anchor tensile forces

open access: yesYantu gongcheng xuebao, 2019
In order to reasonably analyze the stability of anchored slopes with consideration of stress dispersion effect in the sliding mass due to anchor tensile forces, the anchor forces on the frameworks on the slope face are transformed into the locally normal
LEI Jun 1, XIAO Shi-guo 1,2
doaj   +1 more source

Anchoring Mechanisms of Basalt Fiber Prestressed Tension-Concentrated and Pressure-Dispersed Anchor Cables

open access: yesProcesses
Two types of basalt fiber-reinforced polymer (BFRP) anchor cables—a Tension-concentrated anchor cable (TCAC) and a Pressure-dispersed anchor cable (PDAC)—were developed through structural modification of the rod body and implemented for reinforcing fractured rock masses on highway tunnel slopes in western Henan Province, China.
Chaosheng Wang   +6 more
openaire   +1 more source

A Structural Safety Analysis of Buildings During Construction [PDF]

open access: yes, 1981
The safety of steel buildings, constructed by the tier method, is evaluated. The probability of failure of steel frames supported on temporary connections is examined during the different stages of completion.
Ang, A.H-S., Karshenas, S.
core  

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