نتایج جستجو برای: caisson

تعداد نتایج: 506  

Journal: :British journal of industrial medicine 1957
H E LEWIS W D PATON

Most of the studies of decompression sickness in industry have been made during the construction of tunnels. The sinking of a caisson, however, is a much briefer undertaking involving certain special features not encountered in tunnel work. Work of this type has received relatively little attention in recent years, although caisson sinking is performed all over the world. This paper describes a...

2004
B. Sukumaran

As offshore exploration and development of oil fields reach water depths of 1,000 to 3,000 m, novel methods of anchoring production platforms become attractive due to cost savings associated with installation. Surface production systems that are viable in these water depths include Tension Leg Platforms (TLP), spar platforms, and laterally moored ship-shaped and semisubmersible vessels. Possibl...

2016
James A Cox Subhamoy Bhattacharya

Suction caissons have recently been considered as a cost effective alternative to conventional foundations for offshore met-masts and wind turbines. Such foundation arrangements are suitable for applications within water depths of 20-30m. Most offshore structures have stringent serviceability limit states imposed on their design dictating the allowable structural deflections and accumulated rot...

Journal: :British journal of industrial medicine 1953
J RONALD

Caisson disease, or decompression sickness, is encountered when a raised atmospheric pressure on the body is reduced too rapidly and excess gases which have been held in solution in the blood and tissue fluids are set free as their solubility decreases. Typically the condition is manifested by tingling and paraesthesia, itching of the skin, and by bone and joint pains. The symptoms vary within ...

Journal: :The Journal of Nervous and Mental Disease 1902

ژورنال: مهندسی دریا 2009
زین الدینی, مصطفی, نبی‌پور, محمود,

Suction caisson foundation systems have been successfully used in the past two decades in numerous occasions on a variety of offshore structures in a wide range of environments. The pull-out capacity of suction caissons remains a critical issue in their applications, and reliable methods of predicting the capacity are required in order to produce effective designs. In the current study a numeri...

This paper reports results from an investigation into the suction caissons failure mechanisms under vertical pull-out loads. An insight to the failure mechanisms of suction caissons paves the path for developing analytical solutions to their pull-out capacity. The numerical models of suction caissons have first been calibrated by and verified against several experimental data from other researc...

Journal: :PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN 2004

ژورنال: مهندسی دریا 2019

Breakwaters have changed a lot during their design history. Overtopping is an important parameter that its evaluation and reduction has always been noticed. In this study, the wave overtopping of composite berm breakwater as a new conceptual structure has been investigated numerical modeling was performed using FLOW-3D software. Then, based on  a laboratory model conducted by Losada et al, cali...

Journal: :British journal of industrial medicine 1969
J H Kemp J G Munro

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